Volume 52, Issue 2
مرور بر اساس
ارسال های اخیر
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Determination of Asphalt Binder VECD Parameters Using an Accelerated Testing Procedure
(University of Tehran, 2019-12-01)Fatigue characteristics of asphalt binder have an important role in asphalt mix resistance against cracking. Viscoelastic Continuum Damage (VECD) analysis of asphalt binders has been successfully used in highway research ...
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The Effect of Axial Force Variations on Nonlinear Modeling and Seismic Response of Reinforced Concrete Structures
(University of Tehran, 2019-12-01)In order to increase the accuracy of evaluating seismic response of structures, it is critical to conduct dynamic analyses based upon precise nonlinear models being as consistent as possible with the real conditions of ...
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Flexural Behavior of Lightweight Concrete Beams Reinforced with GFRP Bars and Effects of the Added Micro and Macro Fiber
(University of Tehran, 2019-12-01)This study evaluated the effect of macro steel fiber (SF), micro glass fiber (GF) and micro polypropylene fiber (PF) in lightweight aggregate concrete, (LWAC) beams reinforced with glass fiber reinforced polymer (GFRP) ...
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Introduction and Application of Rotational Abrasion Device to Determine Concrete Pavement Abrasion
(University of Tehran, 2019-12-01)Abrasion susceptibility of highway pavements has a great impact on the skid resistance, and consequently accident rate. A rotational abrasion device is introduced, providing the advantage of field simulation of wheel ...
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Refinement to the Existing Analytical Methods of Analysis of Buried Pipelines due to Strike-Slip Faulting
(University of Tehran, 2019-12-01)Analytical methods presented to analyze the buried steel pipelines at strike-slip fault crossing use the Euler-Bernoulli beam theory. The cross-section of a buried pipe that is completely surrounded by soil cannot rotate ...
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Reliability Assessment of Shallow Domes Using a Semi-Empirical Evaluation Procedure
(University of Tehran, 2019-12-01)Like other structures, shallow domes have imperfections from the prescribed values obtained by specifications during the construction process. Specifications define some tolerance values for imperfections. Despite consideration ...
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Thermodynamical and Experimental Study of the Effects of Ball Clay-Silica Fume Combination on the Hydration and Strength
(University of Tehran, 2019-12-01)The production of ordinary Portland cement (OPC) as the most expensive constituent of concrete is associated with destructive environmental effects and significant energy consumption. Thus, the use of supplementary ...
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Performance of Nondestructive Sonic Echo Testing Method on Partially Dismantled Unknown Wood Bridge Foundations; A Case Study
(University of Tehran, 2019-12-01)Sonic Echo (SE) testing method is a well-known, versatile method to gather information pertaining to unknown bridge foundations. Many studies on the applicability and methodology improvement of SE tests to evaluate individual ...
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Effects of Flow Hydraulics, Pipe Structure and Submerged Jet on Leak Behaviour
(University of Tehran, 2019-12-01)The aim of this paper is numerical and experimental study of the effects of flow hydraulics, pipe structure (particularly elastic behaviour) and submerged jet on leak behaviour. In this regard, experimental tests were ...



