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Regulation Of Temperature Control And Heat Transfer Characteristics In Permafrost Subgrade By Phase Change Materials, Li Zijun, Wang Mingtian, Zhao Nanlu, Zhao Huilong, Hao Ruoyu Aug 2026

Regulation Of Temperature Control And Heat Transfer Characteristics In Permafrost Subgrade By Phase Change Materials, Li Zijun, Wang Mingtian, Zhao Nanlu, Zhao Huilong, Hao Ruoyu

Journal of China & Foreign Highway

Heat transfer models were built for ordinary subgrade and phase change subgrade to reveal the temperature control and heat transfer laws of phase change subgrade in permafrost regions of the Qinghai‒Tibet Plateau. The variation characteristics of temperature and heat within the subgrade were analyzed by numerical simulation. The effects of phase change materials ’ phase change temperature, phase change enthalpy, and dosage on the temperature and heat of the subgrade bottom and the surface at 3.0 m height were studied. Research indicates that compared with ordinary subgrade, the phase change subgrade reduces the high temperature of the subgrade by phase …

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Review On Performance Evaluation And Composite Modification Mechanism Of Anti-Rutting Agents For Asphalt Pavement, Tang Zihao, Tang Xind E, Fu Ruixin, Zheng Xuanjie Aug 2026

Review On Performance Evaluation And Composite Modification Mechanism Of Anti-Rutting Agents For Asphalt Pavement, Tang Zihao, Tang Xind E, Fu Ruixin, Zheng Xuanjie

Journal of China & Foreign Highway

Rutting is a typical distress of asphalt pavement in high-temperature and heavy-load conditions. The addition of anti-rutting agents is key to improving the high-temperature stability of asphalt mixtures. The effectiveness and modification mechanisms of various anti-rutting agents, including rock asphalt, styrene-butadiene-styrene (SBS ), crumb rubber (CR), plastic modifiers (PET, PE, etc.), and thermoplastic elastomer (TPE ), were systematically reviewed. The pavement performance, modification mechanism, construction technology, and performance evaluation methods of various anti-rutting agents were compared, and their modification effectiveness and limitations were analyzed to address critical technical challenges and promote the upgrading of anti-rutting modification technologies. The research indicates …

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Field Test And Mesoscopic Load-Bearing Mechanism Of Soilbag-Supported Expansive Soil Slopes, Deng Sen, Zhang Hongri, Wei Jian, Yang Jiming, Huang Kaike, Song Yanxin Aug 2026

Field Test And Mesoscopic Load-Bearing Mechanism Of Soilbag-Supported Expansive Soil Slopes, Deng Sen, Zhang Hongri, Wei Jian, Yang Jiming, Huang Kaike, Song Yanxin

Journal of China & Foreign Highway

To investigate the feasibility and load-bearing stability of using soilbags to support expansive soil slopes, a field test was conducted on an expansive soil slope supported by soilbags. The physical and mechanical properties and stability changes of the soilbag slope protection structure during the slope loading process were analyzed. In addition, numerical unconfined compression tests were performed to investigate the reinforcement effect of the soilbags. The results indicate that, at the macroscopic level, soilbags exhibit good impermeability and water-retention performance under normal rainfall conditions. The swelling pressure generated by expansive soil after moisture absorption significantly affects the pressure between the …

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Skid Resistance Of Asphalt Mixtures Based On Differential Abrasion, Wei Jianguo, Hu Junting, Li Ping, Mao Jing, Yuan Xiaohui, Yi Chengxi Aug 2026

Skid Resistance Of Asphalt Mixtures Based On Differential Abrasion, Wei Jianguo, Hu Junting, Li Ping, Mao Jing, Yuan Xiaohui, Yi Chengxi

Journal of China & Foreign Highway

To address the continuous attenuation of skid resistance in ultra-thin wearing courses during long-term service, this study, based on the principle of differential abrasion of aggregates, analyzes the intrinsic relationship between the evolution of pavement macro- and microtexture and aggregate abrasion, and explores the effects of replacing diabase with equal masses of limestone of different particle sizes on the skid resistance of asphalt mixtures. A wheel abrasion tester was used to simulate the long-term abrasion process of pavement aggregates under repeated vehicle loading. Macro- and microtexture data of the mixtures were collected through the sand patch texture depth test, British …

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Effects Of Mica In Manufactured Sand On Rheological Behavior And Hydration And Hardening Of Cement Paste, Fan Hua, Guo Shuangxi, Wang Zhipeng, Li Qinghua, Wang Xinpeng, Wang Jiliang, Ke Guoju Aug 2026

Effects Of Mica In Manufactured Sand On Rheological Behavior And Hydration And Hardening Of Cement Paste, Fan Hua, Guo Shuangxi, Wang Zhipeng, Li Qinghua, Wang Xinpeng, Wang Jiliang, Ke Guoju

Journal of China & Foreign Highway

To address the key issue of mica minerals in manufactured sand limiting concrete performance, this study compared the synergistic and differential effects of biotite and granite powder and systematically investigated the effects of biotite and mica-containing granite powder on the rheological properties, evolution of mechanical properties, and microscopic mechanisms of cement paste using TOC,XRD,FTIR,TG-DTG, and SEM, thus providing a theoretical basis for controlling mica mineral content and optimizing manufactured-sand concrete performance. The results show that both biotite and mica-containing granite powder significantly increase the plastic viscosity of cement paste, with biotite having a more pronounced effect. At a biotite dosage …

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Pavement Shadow Removal And Disease Detection Based On Weakly Supervised Generative Adversarial Network, Deng Shengbin, Li Ming, Ye Lijia, Hu Jing Aug 2026

Pavement Shadow Removal And Disease Detection Based On Weakly Supervised Generative Adversarial Network, Deng Shengbin, Li Ming, Ye Lijia, Hu Jing

Journal of China & Foreign Highway

To address the problem of decreasing disease detection accuracy due to shadow interference in complex road scenes, this study proposed a road shadow removal algorithm based on a weakly supervised generative adversarial network. By constructing a dynamic adaptive normalization strategy and an improved residual module, the algorithm optimized image feature representation under the condition of limited shadow pairing samples. The specific design was as follows:First, an auxiliary classifier with an attention mechanism was introduced to enhance the semantic perception ability of the network for road scenes. Second, the residual structure was improved by adopting cross-layer skip connections to effectively alleviate …

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Effect Of Phosphogypsum On Properties And Microstructure Of All-Solid-Waste Geopolymer Materials, Zong Wei, Zhang Qixin, Dong Xianzheng, Liu Cheng, Zheng Wuxi Aug 2026

Effect Of Phosphogypsum On Properties And Microstructure Of All-Solid-Waste Geopolymer Materials, Zong Wei, Zhang Qixin, Dong Xianzheng, Liu Cheng, Zheng Wuxi

Journal of China & Foreign Highway

The influence of phosphogypsum dosages on geopolymer performance was investigated to address the high drying shrinkage and slow later-stage strength development of all-solid-waste geopolymer materials. Combined with XRD, SEM, and MIP test results, the effects of phosphogypsum on the properties and microstructure of geopolymer materials were discussed. The results indicate that the incorporation of phosphogypsum reduces the early-stage compressive strength of the geopolymer. However, as the curing age increases, the strength continues to grow and stabilizes by 28 d. Meanwhile, phosphogypsum effectively inhibits early drying shrinkage of geopolymer and induces controlled micro-expansion in the later stage. The reaction of phosphogypsum …

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Strength Model Of Swssc With Different Types Of Aggregates Based On Grey Theory, Shang Yanguang, Yu Shuang Aug 2026

Strength Model Of Swssc With Different Types Of Aggregates Based On Grey Theory, Shang Yanguang, Yu Shuang

Journal of China & Foreign Highway

To study the freeze-thaw durability of different types of recycled aggregate seawater sea-sand concrete (SWSSC) in freeze-thaw dominated environments of cold regions, a compressive strength degradation prediction model [GM(1,1)] was constructed based on grey theory in this paper, and the synergistic effects of the number of freeze-thaw cycles, recycled aggregate types, and replacement rates on compressive strength were analyzed. Experimental and model prediction results indicate that the compressive strength of concrete shows a nonlinear attenuation with the increase of freeze-thaw cycles. The deterioration of recycled brick aggregate concrete is the most significant; after 75 freeze-thaw cycles, its strength is 14.50 …

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Snow-Melting And Anti‑Icing Effect And Road Performance Of Sma‑ 13 Mixture Containing Salts, Zhang Wenming, Mi Shuaiqi, Chen Jinxu, Liao Yaxiong Aug 2026

Snow-Melting And Anti‑Icing Effect And Road Performance Of Sma‑ 13 Mixture Containing Salts, Zhang Wenming, Mi Shuaiqi, Chen Jinxu, Liao Yaxiong

Journal of China & Foreign Highway

Asphalt pavement containing salts can delay or suppress road icing by lowering the freezing point. To evaluate the applicability of such pavement in engineering, this study compared the road performance and snow-melting and anti-icing effects of asphalt mastic crushed stone (SMA-13 containing salts) mixed with two salt additives Lvxin Ⅱ (LX Ⅱ) and Mafilon (MFL) through laboratory and field tests. The snow-melting and anti-icing effects of the SMA 13 mixture containing salts and the optimal amount of salt additives were analyzed through conductivity tests, ice-melting tests, and snow-melting tests. Then, the influence of additives on the road performance of the …

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Adhesion Characteristics Of Asphalt-Aggregate Interfaces Based On Surface Energy Theory, Li Caizhi, Chang Linlin, Wang Zhixiang, Chen Huanwei, Huang Chunzhi Aug 2026

Adhesion Characteristics Of Asphalt-Aggregate Interfaces Based On Surface Energy Theory, Li Caizhi, Chang Linlin, Wang Zhixiang, Chen Huanwei, Huang Chunzhi

Journal of China & Foreign Highway

Based on surface energy theory, the sessile drop contact angle testing method was employed to measure the contact angles of five asphalt types (emulsified asphalt, water-activated asphalt, polyurethane asphalt, PG 76 modified asphalt, and 70# base asphalt) and four aggregates (granite, basalt, diabase and limestone) to quantitatively characterize the interfacial adhesion and water stability of constant temperature asphalt, hot mix asphalt, and aggregate systems. Surface energy parameters, cohesive work, adhesive work, and debonding work were calculated. The test results indicate that polyurethane asphalt exhibits the highest surface energy, while limestone aggregate shows the maximum surface energy. For the identical aggregate, …

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Structural Response Analysis Of Buckle Anchor Cable Failure In Cantilever Pouring Arch Based On Improved Spea 2, Tian Zhongchu, Zhu Dan, Xu Binlin, Zhang Zujun, Dai Ye Aug 2026

Structural Response Analysis Of Buckle Anchor Cable Failure In Cantilever Pouring Arch Based On Improved Spea 2, Tian Zhongchu, Zhu Dan, Xu Binlin, Zhang Zujun, Dai Ye

Journal of China & Foreign Highway

The Yashiqing Bridge in Guizhou was taken as the engineering background to study the influence of buckle anchor cable failure on structural performance during the construction of long-span cantilever pouring arch bridges; six representative working conditions under the maximum cantilever state were selected, and the stress variation law of the main arch ring after the failure of a single buckle anchor cable was analyzed. On this basis, to solve the problem of computational complexity caused by the large number of buckle anchor cables in structural response analysis, a buckle anchor cable failure solution program based on an improved strength Pareto …

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Mechanical Properties And Stability In Incremental Launching Process Of Steel Box Girder Of Curved Ramp Bridge, Xie Binqi, Wang Yuanming, Zhang Jun, Kuang Yuyang Aug 2026

Mechanical Properties And Stability In Incremental Launching Process Of Steel Box Girder Of Curved Ramp Bridge, Xie Binqi, Wang Yuanming, Zhang Jun, Kuang Yuyang

Journal of China & Foreign Highway

To investigate the stability problems frequently arising in the push-from-the-rear incremental launching construction of steel box girders of curved ramp bridges, this study took the steel box girder project of the Qingshui Bridge Hub ramp bridge as the engineering background. A finite element model of the curved ramp girder‒launching nose‒support system was first established using Midas Civil. The model's validity was verified with monitoring data of incremental launching force, stress in the girder, and axis deviation from the actual incremental launching process. Subsequently, based on the validated model, the study analyzed the mechanical properties of the steel box girder of …

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Simulation Analysis And Reinforcement Case Study Of Existing Double-Column Piers After Ship Collision, Ge Jiping, Yang Yuxing, Yan Xingfei Aug 2026

Simulation Analysis And Reinforcement Case Study Of Existing Double-Column Piers After Ship Collision, Ge Jiping, Yang Yuxing, Yan Xingfei

Journal of China & Foreign Highway

In recent years, ship-bridge collisions have occurred frequently, significantly increasing the risk of damage to bridge substructures. To evaluate the safety performance of the damaged double-column pier and determine the optimal reinforcement scheme, the ship collision accident involving Xietang Bridge was used as the engineering case study. Several feasible reinforcement measures were proposed, and the impact resistance of each scheme was compared using finite element simulations. The results show that, among the two impact conditions with different loading states, the peak impact force under the fully loaded condition is 2.68 MN, and the residual displacement on the impacted side of …

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Research Status And Prospects Of Monitoring Technology For Large-Span Cable-Stayed Bridges Based On Machine Learning, Liu Guoliang, Liu Guokun, Yan Donghuang, Wang Wenxi, Wang Qishun Aug 2026

Research Status And Prospects Of Monitoring Technology For Large-Span Cable-Stayed Bridges Based On Machine Learning, Liu Guoliang, Liu Guokun, Yan Donghuang, Wang Wenxi, Wang Qishun

Journal of China & Foreign Highway

Machine learning and intelligent optimization algorithms have been increasingly applied to construction and health monitoring of long-span cable-stayed bridges. Based on the construction history of cable-stayed bridges both domestically and internationally, an overview of the origin and development process of cable-stayed bridges was provided. Firstly, from the perspective of the entire life cycle of bridges, bridge monitoring was divided into construction period monitoring and operation period monitoring. The applications of mainstream construction monitoring methods in large cable-stayed bridge projects were elaborated, and the specific composition of bridge health monitoring systems was clarified. Secondly, the basic principles of several machine learning …

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Appropriate Longitudinal Restraint System For Long-Span Suspension Bridges, Ma Zhenghui, Yuan Shaoyang, Yang Zhichu, Liu Bin, Yi Zhiyong Aug 2026

Appropriate Longitudinal Restraint System For Long-Span Suspension Bridges, Ma Zhenghui, Yuan Shaoyang, Yang Zhichu, Liu Bin, Yi Zhiyong

Journal of China & Foreign Highway

Suspension bridges are characterized by low longitudinal stiffness and large deformation. To reduce the longitudinal displacement at the girder ends and the required movement capacity of the expansion joints, static and dynamic finite element analysis models of the main bridge were established based on the Labo Chongtian River Bridge. The effects of two longitudinal restraint systems, including a central buckle combined with longitudinal dampers and a static displacement-limiting and dynamic damping system, on the static and dynamic responses of key structural components were analyzed. The two systems were compared to identify an appropriate longitudinal restraint system, and a parametric analysis …

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Safety Analysis Of Short-Line Precast Wide-Width Concrete Beams With High Support Before Splicing Under Fractional Tensioning, Tu Guangya, Yin Xiaofeng, Yan Donghuang, Yuan Qin, Wu Junfeng Aug 2026

Safety Analysis Of Short-Line Precast Wide-Width Concrete Beams With High Support Before Splicing Under Fractional Tensioning, Tu Guangya, Yin Xiaofeng, Yan Donghuang, Yuan Qin, Wu Junfeng

Journal of China & Foreign Highway

To ensure the construction safety of the short-line precast wide-width concrete beam section on a high platform before splicing, the concrete beam and beam shifting support on the Jiangling side of the Guanyinsi Yangtze River Bridge were taken as the research object. Midas FEA/Civil was adopted to establish the solid model of the beam section and the beam element model of the support, respectively. The transverse stress and deformation in each construction stage before splicing, and the influence of support deformation on the stress of the beam section during beam shifting were calculated and analyzed. Considering the actual construction process …

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Method For Optimizing Cable Forces Of Cable-Stayed Bridges By Integrating Openseespy With Trust-Region Optimization Algorithm, Zhang Cai, Hu Jiakai, Tang Ruikai Aug 2026

Method For Optimizing Cable Forces Of Cable-Stayed Bridges By Integrating Openseespy With Trust-Region Optimization Algorithm, Zhang Cai, Hu Jiakai, Tang Ruikai

Journal of China & Foreign Highway

Cable force optimization is a key step in ensuring a rational force state of cable-stayed bridge structures. To address the repeated iterations, complicated adjustment procedures, and low computational efficiency associated with cable force optimization using traditional finite element software, this paper combined Python with the OpenSeesPy open-source library to establish a finite element model of a cable-stayed bridge that accounted for the construction process. A trust-region optimization algorithm was adopted to minimize structural bending energy, and a method was proposed for automatically optimizing cable forces during construction and in the completed bridge. The effectiveness and applicability of the proposed method …

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Key Techniques For Catwalk Design And Construction Of Single-Span Rotating-Cable Suspension Bridge In Mountainous, Zhu Shuo, Fu Lihong, Zhang Weichao, Li Bo Aug 2026

Key Techniques For Catwalk Design And Construction Of Single-Span Rotating-Cable Suspension Bridge In Mountainous, Zhu Shuo, Fu Lihong, Zhang Weichao, Li Bo

Journal of China & Foreign Highway

To summarize the key technical experience in catwalk construction for rotating-cable suspension bridges under complex mountainous conditions, this paper took the Three Gorges Bridge on the Yellow River (a single-tower and single-span rotating-cable steel truss girder suspension bridge with a main span of 540 m) as the engineering background. A two-span continuous catwalk without wind-resistant cables was used as the superstructure construction platform, and three major technical countermeasures in catwalk design and construction were systematically elaborated. In the 146 m cable-girder intersection area on the north side, the catwalk and the steel girder collided, and setting up the looping anchorage …

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Design And Application Of Central Pier Large Cantilever Cap Beam, Zeng Yu, Deng Baihong Aug 2026

Design And Application Of Central Pier Large Cantilever Cap Beam, Zeng Yu, Deng Baihong

Journal of China & Foreign Highway

To clarify the mechanical behavior and key construction considerations of central pier large cantilever cap beams and address the challenges of urban viaduct construction during urbanization, this paper takes an expressway project using this structure as its engineering background. The structural design characteristics and construction scheme were summarized, and reduced-scale field model tests were conducted under three loading conditions to monitor and analyze member deformation and crack evolution. The construction process, difficulties in structural calculation, and relevant influencing factors were analyzed, and the economic and social benefits were comprehensively evaluated. The test results indicate that structural deformation and the extent …

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Design Of Positioning System For Large Floating Caisson In Deep-Water Bare-Rock Environment, Liu Ning, Yan Zhuhua Aug 2026

Design Of Positioning System For Large Floating Caisson In Deep-Water Bare-Rock Environment, Liu Ning, Yan Zhuhua

Journal of China & Foreign Highway

The Xihoumen Rail-cum-Road Bridge is a hybrid cable-stayed-suspension bridge with a main span of 1 488 m. The foundation of Pier No.4 is an embedded caisson foundation. The caisson has a diameter of 58 m and a height of 37 m and was constructed using the floating transportation method. The total floating-transport mass of the steel structure and appurtenances was approximately 9 870 t. To address the insufficient horizontal positioning stiffness, construction difficulty, and high cost associated with the positioning-vessel and anchor-pier methods in a deep-water, bare-rock environment, this paper adopted a large-tonnage gravity-anchor positioning method to optimize the caisson …

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Experimental Study On Physical And Mechanical Properties Of Soft Soil During The Construction Of Wenzhou Shield Tunnels, Zheng Kai, Cao Zhigang, Liu Yaoxing Aug 2026

Experimental Study On Physical And Mechanical Properties Of Soft Soil During The Construction Of Wenzhou Shield Tunnels, Zheng Kai, Cao Zhigang, Liu Yaoxing

Journal of China & Foreign Highway

In the subway engineering of soft soil areas, the physical indicators and static-dynamic properties of soft clay are important factors influencing subway design, construction, and project cost. In particular, during subway operation, cyclic dynamic stress induced by running trains acts on the underlying soft soil foundation of the tunnels, thus greatly affecting the operational safety and maintenance of the subway. Based on the Wenzhou Metro M1 Line project, laboratory geotechnical tests and systematic research were carried out on the soft soil through shield tunnels to obtain the basic physical indicators of Wenzhou soft clay, with its consolidation, shear characteristics, and …

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Rapid Assembly Technology Of Corrugated Steel Plate For Single-Side Widening Of Tunnels, Liu Zhenggang, Zhang Peng Aug 2026

Rapid Assembly Technology Of Corrugated Steel Plate For Single-Side Widening Of Tunnels, Liu Zhenggang, Zhang Peng

Journal of China & Foreign Highway

To address the challenges such as significant surrounding rock disturbance, complex construction procedures, and long construction periods in single-side widening during the reconstruction and expansion of highway tunnels in China, this study took a typical highway tunnel reconstruction and expansion project as an example to investigate the rapid assembly technology of corrugated steel plate lining. A complete technical system was proposed, encompassing lining structure design, rapid ring-by-ring assembly techniques, and construction monitoring and control. The technology utilized a box-type corrugated steel plate lining structure. Rapid and precise circumferential and longitudinal assembly was achieved through groove-protrusion connections. Combined with an optimized …

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Recognition Sight Distance And Minimum Radius Of Vertical Curves At Expressway Tunnel Entrances, Fu Zhipeng, Zhou Shiyang, Pan Binghong, Liu Zhi, Liu Yutong, Liu Yuying Aug 2026

Recognition Sight Distance And Minimum Radius Of Vertical Curves At Expressway Tunnel Entrances, Fu Zhipeng, Zhou Shiyang, Pan Binghong, Liu Zhi, Liu Yutong, Liu Yuying

Journal of China & Foreign Highway

Lane changing is generally prohibited and strict speed limits are imposed in expressway tunnels in China. To ensure that drivers can safely and comfortably complete lane changes and speed adjustments before entering a tunnel, horizontal curves should satisfy the tunnel entrance recognition sight distance requirement, and the radii of vertical curves in the longitudinal profile should also satisfy this requirement. If the vertical curve radius of the section before a tunnel entrance is improperly designed, drivers may be unable to recognize the tunnel entrance in time, resulting in rushed lane changes or delayed speed adjustments before entering the tunnel, which …

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Intelligent Inversion Of Advanced Gpr Images For Complex Adverse Geological Tunnels, Tang Wenbin, Liang Ming, Peng Hao Aug 2026

Intelligent Inversion Of Advanced Gpr Images For Complex Adverse Geological Tunnels, Tang Wenbin, Liang Ming, Peng Hao

Journal of China & Foreign Highway

To address the limitations of traditional empirical interpretation methods for advanced ground penetrating radar (GPR) detection images of tunnels, including inconsistent standards, low efficiency, and high rates of misinterpretation and missed detection, this study proposed an intelligent inversion method for radar B-scan waveform images of adverse geology based on an improved generative adversarial network (GAN). A multi-condition synthetic dataset was constructed through electromagnetic numerical simulation combined with random generation constraints of medium parameters, incorporating three types of geological anomalies (irregular cavities, fracture zones, and cracks) and their combinations. The GAN generator was optimized by integrating Unet convolutional neural network architecture …

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Collision Risk Prediction For Motor And Non-Motorized Vehicles At Intersections Based On Spatiotemporal Trajectory Clustering, Xie Bin, Li Zhenghang, Li Peng, Xiong Chang ’An Aug 2026

Collision Risk Prediction For Motor And Non-Motorized Vehicles At Intersections Based On Spatiotemporal Trajectory Clustering, Xie Bin, Li Zhenghang, Li Peng, Xiong Chang ’An

Journal of China & Foreign Highway

To address the safety risk prevention requirements caused by right-of-way conflicts in the mixed traffic environment of motor and non-motorized vehicles at urban intersections, a collision risk prediction method for motor and non-motorized vehicles integrating trajectory clustering and deep learning was proposed in this paper to improve the accuracy of traffic safety assessment at intersections. First, multi-type vehicle trajectory data in drone videos were extracted based on the DataFromSky software to construct a high-precision spatiotemporal dataset containing vehicle coordinates, velocities, and accelerations, and high-risk scenario trajectories were screened through the feature analysis of risk scenarios. Second, the DBSCAN spatiotemporal trajectory …

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Rapid Detection And Application Of Rock Mass Joint Features Based On Improved Yolo Model, Li Huixing, Zhang Jing, Zhang Jiannan, Fang Hao, Chen Tao, Wang Changshuai Aug 2026

Rapid Detection And Application Of Rock Mass Joint Features Based On Improved Yolo Model, Li Huixing, Zhang Jing, Zhang Jiannan, Fang Hao, Chen Tao, Wang Changshuai

Journal of China & Foreign Highway

In view of the problems that existing monitoring methods for rock mass joints mainly rely on manual identification, with low detection efficiency and strong subjectivity, a detection and segmentation method for rock mass joints was proposed in this paper. The model improved the YOLOv8 algorithm by introducing the multi-scale feature module (MSBlock) and channel prior convolutional attention (CPCA) mechanism to enhance the image recognition accuracy of the existing YOLOv8 network model. By introducing the MSBlock algorithm, features at different scales and levels were fused, which could both capture the fine local details in the image and recognize the image features …

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Prediction Of Asphalt Pavement Condition Index For Urban Roads Based On Ensemble Learning, Dong Lili, Li Shuqing, Liu Haijun, Chang Chen, Feng Chao Aug 2026

Prediction Of Asphalt Pavement Condition Index For Urban Roads Based On Ensemble Learning, Dong Lili, Li Shuqing, Liu Haijun, Chang Chen, Feng Chao

Journal of China & Foreign Highway

To enhance the scientific rigor and precision of urban road maintenance decision-making, this study proposes an ensemble learning-based method for predicting the asphalt pavement condition index (IPCI). Based on historical pavement inspection and maintenance data for urban roads in Beijing from 2017 to 2024, a multidimensional feature dataset encompassing pavement usage indicators, performance indicators, and environmental impact indicators was constructed. Feature selection was performed using Pearson correlation coefficients and the LASSO method. Based on these selected features, 11 widely used machine learning models were trained, and their hyperparameters were optimized. After a comprehensive comparison of predictive accuracy, the five best-performing …

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“Borderless ” Integration Design And Practice Of Chuanjiu Highway, Tan Changming, Li Junzhuo, Sun Dayuan, Wang Yi Aug 2026

“Borderless ” Integration Design And Practice Of Chuanjiu Highway, Tan Changming, Li Junzhuo, Sun Dayuan, Wang Yi

Journal of China & Foreign Highway

To address the integrated demands of ecological protection, landscape coordination, and tourism service enhancement in the post-earthquake reconstruction of Chuanjiu Road following the Jiuzhaigou Earthquake, a "borderless" integration design concept was proposed, and systematic engineering practices were conducted. The concept transcends traditional road boundary thinking by establishing a three-dimensional integration framework encompassing ecology, road landscape, and transport-tourism: Near-natural ecological restoration was implemented based on habitat grading, and the ecological, stable, and fertile (ESF) high-performance restoration technology was developed and applied; the route was segmented according to geomorphological and cultural characteristics to achieve synergy between the road landscape and the regional …

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Maternal Sjögren's Disease And Its Long Shadow: Adult-Onset Seronegative Lupus Nephritis Following Congenital Heart Block, Tatiana Dacak, Abelardo Rodriguez, Luisa Fernanda Gomez, Corey Haines, Nida Asif Aug 2026

Maternal Sjögren's Disease And Its Long Shadow: Adult-Onset Seronegative Lupus Nephritis Following Congenital Heart Block, Tatiana Dacak, Abelardo Rodriguez, Luisa Fernanda Gomez, Corey Haines, Nida Asif

School of Medicine Publications

Congenital complete atrioventricular block (CCAVB) is a well-recognized manifestation of neonatal lupus erythematosus (NLE), caused by transplacental transfer of maternal anti-Ro/Sjögren's Syndrome Type A (SSA) and anti-La/Sjögren's Syndrome Type B (SSB) antibodies. Although non-cardiac manifestations of NLE typically resolve within the first year of life, the long-term autoimmune risk in affected offspring remains unclear. We report a 24-year-old woman with CCAVB secondary to maternal Sjögren's disease who presented with acute heart failure, nephrotic-range proteinuria, bicytopenia, pericardial effusion, and findings concerning for Libman-Sacks endocarditis. Despite negative conventional lupus serologies, renal biopsy demonstrated Class IV/V lupus-like immune-complex glomerulonephritis with full-house immune complex …

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Cemt Broadway Inc. V. Asante Aug 2026

Cemt Broadway Inc. V. Asante

All Decisions

In this loft law licensee holdover proceeding, Respondent moved to dismiss on the ground that the notice of petition used a form that deviated from the mandatory form prescribed by 22 NYCRR § 208.42(b) and AO 163/19. Petitioner cross-moved to compel discovery. The court denied the motion to dismiss under the Burnell standard, finding the deviation non-prejudicial to Respondent, and addressed the discovery motion separately.

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