Volume 24, Issue 2
مرور بر اساس
ارسال های اخیر
- 
A new meta-heuristic algorithm: vibrating particles system (Sharif University of Technology, 2017-04-01)In this paper, a new meta-heuristic algorithm based on free vibration of single degree of freedom systems with viscous damping is introduced and it is called vibrating particles system (VPS). The solution candidates are ...
 
- 
Application of Neural Network Models to Improve Prediction Accuracy of Wave Run-up on Antifer Covered Breakwater (Sharif University of Technology, 2017-04-01)The primary goal of this study is to present a better way in terms of cost and experimenting duration, instead of using experimental ways for investigating the wave run-up (Ru) over rubble-mound breakwater and examining ...
 
- 
Effects of shear deformation on Mechanical and thermo-mechanical nonlinear stability of FGM shallow spherical shells subjected to uniform external pressure (Sharif University of Technology, 2017-04-01)In the present paper, the asymmetrical nonlinear response of a clamped functionally graded shallow spherical shell is subjected to uniform external pressure. It considers the effects of thermal stresses by both of the ...
 
- 
Simulating FRP Debonding From Concrete Surface in FRP Strengthened RC Beams: A Case Study (Sharif University of Technology, 2017-04-01)Reinforced concrete (RC) beams strengthened with fiber reinforced polymer (FRP) sheets may fail due to debonding failure. In such cases, the FRP sheet detaches from the RC beam before real damages are inflicted on the beam. ...
 
- 
Data Envelopment Analysis (DEA) Approach for Making the Bid/No Bid Decision: A Case Study in a Turkish Construction Contracting Company (Sharif University of Technology, 2017-04-01)Construction contracting companies face two critical decisions in competitive bidding environment, which include: the bid/no bid decision and the mark-up selection decision. Making the right bid/no bid decision is critical ...
 
- 
Polynomial Models Controlling Strength of Zeolite-Cement-Sand Mixtures (Sharif University of Technology, 2017-04-01)The improvement of local soils with cement and zeolite can provide great benefits, including strengthening slopesin slope stability problems, stabilizing problematic soils and preventing soil liquefaction. Recently, dosage ...
 
- 
Strain Rate Effect in the Mesoscopic Modeling of High-Strength Steel Fiber-Reinforced Concrete (Sharif University of Technology, 2017-04-01)The research presented in this paper aims to investigate the behavior of a high-strength steel fiber-reinforced concrete (HSSFRC) mesoscopic finite element model, at compressive high strain rates. In order to produce a ...
 
- 
Stability analysis of arch dam abutments due to seismic loading (Sharif University of Technology, 2017-04-01)Abutments of concrete arch dams are usually crossed by several joints which may create some rock wedges. Abutment stability analysis and controlling the probable wedge movements is one of the main concerns in the design ...
 
- 
Comparison of artificial neural network and coupled simulated annealing based least square support vector regression models for prediction of compressive strength of high-performance concrete (Sharif University of Technology, 2017-04-01)High-performance concrete (HPC) is a complex composite material with highly nonlinear mechanical behaviors. Concrete compressive strength, as one of the most essential qualities of concrete, is also a highly nonlinear ...
 
- 
Cost optimum design of doubly reinforced high strength concrete T-beams (Sharif University of Technology, 2017-04-01)This paper presents a method for optimizing the design cost of a doubly reinforced High Strength Concrete (HSC) T-beam. The objective function used in the model includes the costs of HSC, steel and formwork. The constraint ...
 
- 
Vertical vibration control of suspension bridges subjected to earthquake by Semi-active MR dampers (Sharif University of Technology, 2017-04-01)In this paper, a semi-active control technique is presented to mitigate the seismic vertical response of suspension bridges using magneto-rheological (MR) dampers. MR dampers, as semi-active control devices, have received ...
 



