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Articles 1 - 21 of 21
Full-Text Articles in Civil Engineering
Study Of Structural Performance And Durability Of Concrete By Partial Replacement Of Cement With Hypo Sludge (Paper Waste), K Hari Kishan, N .Vidyasagar Lal,, 3 Sateesh Konni
Study Of Structural Performance And Durability Of Concrete By Partial Replacement Of Cement With Hypo Sludge (Paper Waste), K Hari Kishan, N .Vidyasagar Lal,, 3 Sateesh Konni
Innovative Research Publications IRP India
Utilization of industrial waste products as supplementary cementitious materials (SCM) in concrete making is very important aspect in view of economical, environmental and technical reasons. As these supplementary cementitious materials have different chemical and mineralogical composition, their effect on micro structural properties and strength performance vary considerably. While producing paper, various wastes come out from the various processes in paper industries. The preliminary waste from paper industry is named as hypo sludge. In this study the material obtained from the paper industry waste (hypo sludge) is admixed with Portland cement at different replacement levels. The properties of concrete investigated include …
Use Of Coconut Shell As An Aggregate In Concrete: A Review, Sourav Ghosal, S. C. Moulik
Use Of Coconut Shell As An Aggregate In Concrete: A Review, Sourav Ghosal, S. C. Moulik
Innovative Research Publications IRP India
Now-a-days, the rising cost of building materials for construction purposes is a factor of great concern. The price of building materials is rising day by day. Now, most of the researchers are paying much attention on the suitable materials which can reduce the cost of construction as well as increase the strength properties of concrete. Mainly gravel and sand are used in the preparation of conventional concrete. While the use of an agricultural by-product i.e. coconut shell as a partial replacement with conventional coarse aggregates is expected to serve the purpose of encouraging housing developers in building construction. Environmental impact …
Mudflow Disaster Damage Job Opportunity, Disrupt Social Life And Settlement, Thus Requiring Resettlement. Need To Understand Whether Physical Condition Of Resettlement Is In Accordance With Background And Housing Preference Of Victim, Due To Significant Differences Of Housing Design. Aspects Studied Were Characteristic Of Resettlement, Physical Condition Of House And Socio-Economic Mobility. Research Was Done Using Qualitative Method. Technique Of Data Collection Was Used Retrospective Interviews And Observation. This Research Result Indicates That Most Participants Experienced Conformity In House Physical Condition And Socioeconomic Mobility. Reason Of Unconformity Condition Is Housing Facility Which Has Not Meet Housing Standard., Gitanjali Biranga, S V. . Admane, S S. Shinde
Innovative Research Publications IRP India
Energy efficiency has nowadays become one of the most challenging tasks and this has boosted research on fresh fields, such as Ambient Intelligence. Energy consumption in the housing and tertiary sectors is especially high in developed countries. There is a great potential for energy savings in these sectors. Energy conservation measures are developed for newly constructed buildings and for buildings under restoration. However, to achieve a significant diminution in energy consumption apart from the standard energy-efficiency methods, pioneering technologies should be implemented, including renewable energy. Now, buildings are increasingly anticipated to meet higher and more complex performance requirements. Among these …
Improving Seismic Performance Of Concrete Buildings With Special Moment Frames Using Viscous Damper, Mohammad Javad Dehghan, Mostafa Soleymannejad
Improving Seismic Performance Of Concrete Buildings With Special Moment Frames Using Viscous Damper, Mohammad Javad Dehghan, Mostafa Soleymannejad
Innovative Research Publications IRP India
The present study attempted to investigate the effect of viscous damper on the performance of 10 and 16-story structures. Data modeling was done based on PERFORM 3D software and energy absorption amount was examined in different modes through viscous dampers. To investigate the effects of the so called dampers on the seismic behavior of the structures, the performance of special moment frames with and without viscous damper with the 20% to 30% Resistance against earthquake damages was considered. Also, hysteresis diagram was studied. The research findings revealed an appropriate effect of viscous dampers on decreasing seismic effects of earthquake such …
Global Sensitivity Analysis Applied To Model Inversion Problems: A Contribution To Rail Condition Monitoring, René Schenkendorf, Jörn Groos
Global Sensitivity Analysis Applied To Model Inversion Problems: A Contribution To Rail Condition Monitoring, René Schenkendorf, Jörn Groos
René Schenkendorf
Rising demands on railroad infrastructure operator by means of profitability and punctuality call for advanced concepts of Prognostics and Health Management. Condition based preventive maintenance aims at strengthening the rail mode of transport through an optimized scheduling of maintenance actions based on the actual and prognosticated infrastructure condition, respectively. When applying model-based algorithms within the framework of Prognostics and Health Management unknown model parameters have to be identified first. Which of these parameters should be known as precisely as possible can be figured out systematically by a sensitivity analysis. A comprehensive global sensitivity analysis, however, might be prohibitive by means …
Rural Water Sector Policies And Reform – A Review, Innovative Research Publications Irp India, Astha Kumari, Mukul Kulshrestha
Rural Water Sector Policies And Reform – A Review, Innovative Research Publications Irp India, Astha Kumari, Mukul Kulshrestha
Innovative Research Publications IRP India
This paper is an attempt to describe the major components of drinking water in rural sector and its tariff design. With an integrated approach towards improving Quality of Life (QoL) of rural people, ensuring equity and effective public participation as willingness to pay for water. The pressure of rural development programme has been made a frontal attack on poverty through pricing of drinking water. Therefore, water tariffs should be fixed to make people understand the value of water. Present paper describes various works done till date in this field of research
Characteristics Of Flow Meters With Sediment Laden Flow – A Review, Innovative Research Publications Irp India, Abhishek Kala, S.K Mittal, M.K. Choudhary
Characteristics Of Flow Meters With Sediment Laden Flow – A Review, Innovative Research Publications Irp India, Abhishek Kala, S.K Mittal, M.K. Choudhary
Innovative Research Publications IRP India
Measurement of flow is an important aspect in the field of hydraulic engineering, both in case of open channel as well as pipe or conduits. In case of pipe conduits various flow meters are used for flow estimation; out of which venturimeter and orifice meter are most commonly used and conventional means. Pipes or conduit carrying sediment laden flow or slurry-water mixture is very common in most of the industries, sewage carrying system etc. Suitability of flow meters i.e. venturimeter and flow meter need to be analyzed for sediment laden flow. Due to the presence of slurry or sediments, coefficient …
Thrust Of Utilizing Zycosoil Chemical Additive For Vg 10 Paving Mix, Innovative Research Publications Irp India, Tirthankar Dam, Vinal Khambhayta, Daxesh Makwana, Sanjay Jadav, C.B. Mishra
Thrust Of Utilizing Zycosoil Chemical Additive For Vg 10 Paving Mix, Innovative Research Publications Irp India, Tirthankar Dam, Vinal Khambhayta, Daxesh Makwana, Sanjay Jadav, C.B. Mishra
Innovative Research Publications IRP India
Road divisions are the motors of development for economy, work and strengthening. Owing to increments in family unit wage, the requests for customized vehicles have additionally expanded. The blasting exchange in the business vehicle segment has changed the truck business in India, and without a doubt for the wellbeing to meet the requests of mechanical exercises putting more weight on VG 10 adaptable roads, the impact is noted all the more fundamentally with varieties in every day and regular temperatures adding to high anxieties influencing the adaptable asphalt specially in presence of moisture too. India is overflowing with a few …
A Review Of Life Cycle Assessment Method For Building Industry
A Review Of Life Cycle Assessment Method For Building Industry
Faculty of Engineering University of Malaya
A recent study suggested that buildings globally consume up to 40% of energy and responsible for half of world greenhouse gas emission. Introducing life cycle assessment (LCA) to the building industry is important because it can measure every environmental impact involved in every process from cradle to grave systematically. Within the last decade, research on LCA has increased covering from construction process to manufacturing of building materials. The methods to assess buildings are diverse as buildings have different functions, materials, sizes and locations. The aim of this article is to review the LCA methods and to distinguish phases and materials …
Strengthening And Evaluation Of Reinforced Concrete Beams For Flexure By Using External Steel Reinforcements, Innovative Research Publications Irp India, Akhtar Gul, Bashir Alam, Fayaz A Khan, Yasir Irfan Badrashi, Khan Shahzada
Strengthening And Evaluation Of Reinforced Concrete Beams For Flexure By Using External Steel Reinforcements, Innovative Research Publications Irp India, Akhtar Gul, Bashir Alam, Fayaz A Khan, Yasir Irfan Badrashi, Khan Shahzada
Innovative Research Publications IRP India
The most implementable and favorable technique, used for the flexural strengthening of reinforced concrete (RC) beams is the attachment of external steel members. Attachment of external steel sections or fiber reinforced polymers is considered as a common technique used for the enhancement of flexural capacity of the existing structural elements. To investigate and evaluate the flexural capacity of reinforced concrete beams, strengthened with external steel bars, a research study was carried out and is presented in this paper. Three reinforced concrete beams reinforced with minimum reinforcement ratio were constructed and tested. Two beams were strengthened by attaching external steel bars …
Prediction Of Unconfined Compressive Strength Of Pulverized Fuel Ash-Cement-Sand Mixture
Prediction Of Unconfined Compressive Strength Of Pulverized Fuel Ash-Cement-Sand Mixture
Faculty of Engineering University of Malaya
Recently, ground improvement has become much more feasible. Chemical stabilization is a quick and affordable approach to enhancing soil characteristics. An important avenue of research is discovering alternative materials for use in soil enhancement. Pulverized fuel ash (PFA), which is a waste byproduct of coal power plants, has been shown to reduce the environmental risks and costs involved in construction. In this study, a series of unconfined compressive tests were performed for various mixtures of cement, PFA, and sand; the tests considered both the curing period and the optimum moisture content (OMC). In addition, multiple variable linear regression was used …
Stiffness Modulus Of Polyethylene Terephthalate Modified Asphalt Mixture: A Statistical Analysis Of The Laboratory Testing Results
Faculty of Engineering University of Malaya
Stiffness of asphalt mixture is a fundamental design parameter of flexible pavement. According to literature, stiffness value is very susceptible to environmental and loading conditions. In this paper, effects of applied stress and temperature on the stiffness modulus of unmodified and Polyethylene Terephthalate (PET) modified asphalt mixtures were evaluated using Response Surface Methodology (RSM). A quadratic model was successfully fitted to the experimental data. Based on the results achieved in this study, the temperature variation had the highest impact on the mixture's stiffness. Besides, PET content and amount of stress showed to have almost the same effect on the stiffness …
Manganese Removal By Low Cost Adsorbent From Synthetic Wastewater-A Review, Innovative Research Publications Irp India, Vinod Pahade, A. K. Sharma
Manganese Removal By Low Cost Adsorbent From Synthetic Wastewater-A Review, Innovative Research Publications Irp India, Vinod Pahade, A. K. Sharma
Innovative Research Publications IRP India
Manganese (Mn) is one of the most abundant metals in Earth’s crust. Manganese is present in ground water as a divalent ion (Mn2+) and is considered a pollutant mainly because of its organoleptic properties. It is an essential metal for the human system and many enzymes are activated by manganese. Therefore, manganese has to be removed from some waters and wastewaters for various reasons. Conventional chemical and physical treatments for Mn(II) removal from contaminated effluent consist of precipitation, depth filtration, ion exchange, adsorption and oxidation. The adsorption technique has been found to be one of the most effective for the …
Modelling The Effect Of Income And Car Ownership On Recreational Trip In Akure ,Nigeria, Innovative Research Publications Irp India, Busari Ayobami Adebola, Owolabi Adebayo, Modupe Abayomi Emmanuel
Modelling The Effect Of Income And Car Ownership On Recreational Trip In Akure ,Nigeria, Innovative Research Publications Irp India, Busari Ayobami Adebola, Owolabi Adebayo, Modupe Abayomi Emmanuel
Innovative Research Publications IRP India
The effect of income and car ownership on recreational trip pattern in the study area was analysed, focusing on the frequency of trips, modal choice and the land use pattern. It is an attempts to extend research on travel characteristics and behaviour to cities of the developing world with focus on Akure metropolis.
Geometric Design Steps Of The Upper Toggle-Brace-Damper System, Innovative Research Publications Irp India, Zhefei Zhao, Ricky W.K. Chan
Geometric Design Steps Of The Upper Toggle-Brace-Damper System, Innovative Research Publications Irp India, Zhefei Zhao, Ricky W.K. Chan
Innovative Research Publications IRP India
The design procuress for toggle-brace-damper system is to complex. Particularly for those engineers who not have any much experiences in this area. In this paper, a comprehensive economic geometric design steps of the novel toggle-brace-damper system to enhance in new or retrofit existing structure is presented. Nonlinear time history analyses are carried out in Opensees.
Assessment Of Ghg Emission Reduction Potential From Source-Separated Organic Waste (Sow) Management: Case Study In A Higher Educational Institution In Malaysia
Faculty of Engineering University of Malaya
In Malaysia, the greenhouse gases (GHGs) emissions reduction via composting of source-separated organic waste (SOW) in municipal solid waste (MSW) has not been assessed. Assessment of GHG emissions reduction via composting of SOW is important as environmental impacts from waste management are waste-specific and local-specific. The study presents the case study for potential carbon reduction via composting of SOW in University of Malaya (UM). In this study, a series of calculations were used to evaluate the GHG emission of different SOW management scenarios. The calculations based on IPCC calculation methods (AM0025) include GHGs emissions from landfilling, fuel consumption in transportation …
Flexural Behavior Of Engineered Cementitious Composite (Ecc) Slabs With Polyvinyl Alcohol Fibers
Flexural Behavior Of Engineered Cementitious Composite (Ecc) Slabs With Polyvinyl Alcohol Fibers
Faculty of Engineering University of Malaya
This paper investigates the effects of polyvinyl alcohol (PVA) fibers on the toughness, compressive and flexural strength of engineered cementitious composite (ECC) cubes and slabs. The key parameter discussed in this study is the reinforcing index. To evaluate the strain-hardening behavior of ECC with different PVA fiber contents, tests were conducted in direct tension. Flexural toughness was also evaluated following ASTM C 1018 procedure and post-cracking strength technique (PCSm). Results showed that the compressive strength decreases as the reinforcing index increases in a nonlinear trend. By increasing the reinforcing index, the first crack load decreases and ultimate strength slightly increases. …
Long-Term Response Prediction Of Skewed Integral Bridges Under Creep Effects, Innovative Research Publications Irp India, Akilu Muhammad, Redzuan Abdullah, Ibrahim Ogiri Hassan
Long-Term Response Prediction Of Skewed Integral Bridges Under Creep Effects, Innovative Research Publications Irp India, Akilu Muhammad, Redzuan Abdullah, Ibrahim Ogiri Hassan
Innovative Research Publications IRP India
A research was carried out to assess the effect of concrete creep on long-term performance of skewed Integral Abutment Bridge. Time-history transient analysis was conducted using Finite Element method for 75-year period. Parametric study was conducted in LUSAS to assess the effect of bridge total length (60m,90m,150m), skew angles (00 ,100 ,200 ,300 ,400 ), backfill soil stiffness (dense sand, loose sand) on the behaviour of the bridge measured by girder and abutment displacement, moment and shears. Three dimensional nonlinear thick beam element with CEP-FIP 1990 creep material properties was used to model bridge girders. Other structural members were modelled …
Strengthening The Rail Mode Of Transport By Condition Based Preventive Maintenance, René Schenkendorf, Jörn Groos, Lars Johannes
Strengthening The Rail Mode Of Transport By Condition Based Preventive Maintenance, René Schenkendorf, Jörn Groos, Lars Johannes
René Schenkendorf
No abstract provided.
An Efficient Iterative Scheme Using Family Of Chebyshev's Operations
An Efficient Iterative Scheme Using Family Of Chebyshev's Operations
Faculty of Engineering University of Malaya
This paper presents an efficient iterative method originated from the family of Chebyshev's operations for the solution of nonlinear problems. For this aim, the product operation matrix of integration is presented, and therefore the operation of derivative is developed by using Chebyshev wavelet functions of the first and second kind, initially. Later, Chebyshev's iterative method is improved by approximation of the first and second derivatives. The analysis of convergence demonstrates that the method is at least fourth-order convergent. The effectiveness of the proposed scheme is numerically and practically evaluated. It is concluded that it requires the less number of iterations …
A Comparative Study On Optimal Structural Dynamics Using Wavelet Functions
A Comparative Study On Optimal Structural Dynamics Using Wavelet Functions
Faculty of Engineering University of Malaya
Wavelet solution techniques have become the focus of interest among researchers in different disciplines of science and technology. In this paper, implementation of two different wavelet basis functions has been comparatively considered for dynamic analysis of structures. For this aim, computational technique is developed by using free scale of simple Haar wavelet, initially. Later, complex and continuous Chebyshev wavelet basis functions are presented to improve the time history analysis of structures. Free-scaled Chebyshev coefficient matrix and operation of integration are derived to directly approximate displacements of the corresponding system. In addition, stability of responses has been investigated for the proposed …