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Field Study On The Ultimate Bearing Capacity Of Enlarged Grout Base Of Pre-Bored Grouted Planted Pile, Wei-Dong Wang, Meng Wang, Jiang-Bin Wu
Field Study On The Ultimate Bearing Capacity Of Enlarged Grout Base Of Pre-Bored Grouted Planted Pile, Wei-Dong Wang, Meng Wang, Jiang-Bin Wu
Rock and Soil Mechanics
Pre-bored grouted planted pile is a new type of eco-friendly pile foundation. The combination of the lower section of PHC nodular pile and the pile base expansion greatly improves the vertical bearing capacity of single pile. A lot of application practices have been achieved in Jiangsu, Zhejiang and Shanghai regions, but limited to the current research status, the bearing capacity of enlarged grout base is not clear. Based on the in-situ self-balanced loading test, the ultimate compressive bearing capacity of the enlarged grout base of the pre-bored grouted planted pile is investigated. The research results reveal that the measured ultimate …
Three-Dimensional Unified Mechanical Model And Calculation Method Of Uplift Capacity Of Horizontal Rectangular Anchor Plate In The Whole Region In Sand, Wei Hu, Hui Wang, Chen Yao, Dong-Xue Hao, Dan-Da Shi
Three-Dimensional Unified Mechanical Model And Calculation Method Of Uplift Capacity Of Horizontal Rectangular Anchor Plate In The Whole Region In Sand, Wei Hu, Hui Wang, Chen Yao, Dong-Xue Hao, Dan-Da Shi
Rock and Soil Mechanics
Uplift of the horizontal rectangular anchor plate is a typical three-dimensional problem. However, it is difficult to characterize the sliding surface of soil around the anchor plate in the limit state for its shape is affected by a combination of the length-width ratio and embedment ratio of the anchor plate. Combining the results of ABAQUS 3D numerical simulation and 2D sliding surface analysis, it is found that the geometric form of the 3D sliding surface in any horizontal section within its buried depth range can be described by a closed graph, including four segments of straight lines parallel and equal …
Investigation Of The Influence Of Interaction Of Wraparound Geogrid-Sand On The Load Bearing-Settlement Behavior Of Strip Footings, Hussein Ahmad, Ahmad Mahboubi, Ali Noorzad, Mohammad Hosein Hoseini
Investigation Of The Influence Of Interaction Of Wraparound Geogrid-Sand On The Load Bearing-Settlement Behavior Of Strip Footings, Hussein Ahmad, Ahmad Mahboubi, Ali Noorzad, Mohammad Hosein Hoseini
Rock and Soil Mechanics
The use of high-quality materials and the strengthening of soil layers, especially in areas with poor bedding, are among the most important factors in stabilizing and achieving the useful life of building structure. An experimental study on a strip footing coated with unreinforced, geogrid-reinforced, and folded geogrid layers of fine sand is presented in this paper. Testing procedures evaluate variables such as the number of planar geogrid layers, the position of the folded geogrid within the soil, the thickness of the geogrid folded layer, the overlap lengths of a folded geogrid, the spacing within folded layers of geogrid, and several …
Study On Bearing Capacity Of Permeable Pipe Pile By Field Optical Fiber Monitoring, Jing Wang, Tao Xiao, Hong-Hu Zhu, Guo-Xiong Mei, Zheng-Yuan Liu, Guang-Qing Wei
Study On Bearing Capacity Of Permeable Pipe Pile By Field Optical Fiber Monitoring, Jing Wang, Tao Xiao, Hong-Hu Zhu, Guo-Xiong Mei, Zheng-Yuan Liu, Guang-Qing Wei
Rock and Soil Mechanics
Permeable pipe piles are set in the soft soil foundation to accelerate the dissipation rate of excess pore water pressure induced by pile driving and then to accelerate the consolidation of soil around the pile. At present, there are many studies, including model tests and numerical simulation, on the bearing capacity and permeability performance of permeable pipe piles. However, few field tests have been conducted to deeply study the time effect of bearing capacity and load transfer law of permeable pipe piles. Based on the fiber Bragg grating (FBG) technology, the static load tests were carried out to study the …
A Practical Method Of Calculation Of Bearing Capacity And Settlement Of Large- Diameter Post-Grouting Piles, Zhi-Hui Wan, Guo-Liang Dai, Lu-Chao Gao, Wei-Ming Gong
A Practical Method Of Calculation Of Bearing Capacity And Settlement Of Large- Diameter Post-Grouting Piles, Zhi-Hui Wan, Guo-Liang Dai, Lu-Chao Gao, Wei-Ming Gong
Rock and Soil Mechanics
Based on the static load test data of 716 test piles collected from 139 projects, the practical calculation method of bearing capacity and settlement of large-diameter post-grouted piles was studied. The improvement coefficients of the side friction and base resistance of soil layer were given primarily based on statistics analysis, and the practical calculation approach for the bearing capacity of large-diameter post-grouted piles applicable to different grouting types was presented. The reliability of the proposed approach was verified by a large number of measured data. Moreover, the influence coefficient of post-grouting settlement was introduced based on the settlement calculation method …