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Toplam kayıt 137, listelenen: 61-80
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Prediction of rutting potential of dense bituminous mixtures with polypropylene fibers via repeated creep testing by using neuro-fuzzy approach
(Budapest University Technology Economics, 2012)This study investigates the potential use of the neuro-fuzzy (NF) approach to model the rutting prediction by the aid of repeated creep testing results for polypropylene modified asphalt mixtures. Marshall specimens, ... -
Effects of Compaction Method and Aggregate Properties on Mechanical Behavior of Granular Base Layer
(Turkish Chamber Civil Engineers, 2013)The aggregate properties and their compaction degrees are the two most important factors that have significant effects on the design of granular highway base layers. The effects of impact compaction and vibratory compaction ... -
On the using cumulant expansion method and van Kampen's lemma for stochastic differential equations with forcing
(Springer, 2013)Second-order exact ensemble averaged equation for linear stochastic differential equations with multiplicative randomness and random forcing is obtained by using the cumulant expansion ensemble averaging method and by ... -
Response of Seismic-Isolated Bridges in Relation to Intensity Measures of Ordinary and Pulselike Ground Motions
(Asce-Amer Soc Civil Engineers, 2013)This study concentrates on the efficiency of numerous ground motion intensity measures (IMs) to be used in estimating the response of seismic-isolated bridges (SIBs). Efficiency of commonly used IMs was investigated through ... -
Rutting Analysis of 100 mm Diameter Polypropylene Modified Asphalt Specimens Using Gyratory and Marshall Compactors
(University Fed Sao Carlos, Dept Engenharia Materials, 2013)Compaction technique used in Marshall design does not model the process of actual rolling procedures on site exactly. Carrying out laboratory compaction of dense bituminous mixtures with Superpave gyratory compactors is a ... -
Rutting Prediction of Asphalt Mixtures Modified by Polypropylene Fibers via Repeated Creep Testing by Utilising Genetic Programming
(University Fed Sao Carlos, Dept Engenharia Materials, 2013)A novel application of genetic programming (GP) for modelling and presenting closed form solutions to the rutting prediction for polypropylene (PP) modified asphalt mixtures is investigated. Various PP fibers have been ... -
Optimal polypropylene fiber amount determination by using gyratory compaction, static creep and Marshall stability and flow analyses
(Elsevier Sci LTD, 2013)Utilizing gyratory compaction technique for the preparation of asphalt specimens with 100 mm diameter moulds is an effective and realistic way of pavement laboratory testing. In fact, Marshall compaction is not a suitable ... -
Granüler Temel Tabakasının Mekanik Davranışına Sıkıştırma Yöntemleri ve Agrega Özelliklerinin Etkisi*
(2013)Bazı deneyimler, granüler temel tabakası tasarımında agrega özellikleri ve sıkışma değerlerinin en önemli faktörler olduğu, darbeli kompaksiyon yönteminin arazideki gerçek malzeme performansını yansıtmadığı yönündedir. ... -
Instantaneous turbulent forces and impulse on a rough bed: Implications for initiation of bed material movement
(Amer Geophysical Union, 2013)The overall objective of this study is to identify the physical mechanisms responsible for the entrainment of an exposed particle subject to rapidly fluctuating hydrodynamic forces in the case of channel flow with a fully ... -
Structural damages of the May 19, 2011, Kutahya-Simav earthquake in Turkey
(Springer, 2013)Reconnaissance observations are presented on the building damage caused by the May 19, 2011, Kutahya-Simav earthquake in Western Turkey as well as an overview of strong ground motion data recorded during the earthquake is ... -
Modeling monthly pan evaporations using fuzzy genetic approach
(Elsevier Science BV, 2013)This study investigates the ability of fuzzy genetic (FG) approach in estimation of monthly pan evaporations. Various monthly climatic data, that are, solar radiation, air temperature, relative humidity and wind speed from ... -
Modeling rainfall-runoff process using soft computing techniques
(Pergamon-Elsevier Science LTD, 2013)Rainfall-runoff process was modeled for a small catchment in Turkey, using 4 years (1987-1991) of measurements of independent variables of rainfall and runoff values. The models used in the study were Artificial Neural ... -
Effects of Crumb Rubber Size and Concentration on Performance of Porous Asphalt Mixtures
(Hindawi Publishing Corporation, 2013)The purpose of this study is to investigate the effect of size distribution and concentration of crumb rubber on the performance characteristics of porous asphalt mixture. The recycling of scrap tires in asphalt pavements ... -
Coğrafi Bilgi Sistemleri Kullanılarak Sondaj Derinliğinin Sıvılaşma Analizine Etkisinin Belirlenmesi (Eskişehir Örneği)
(2013)Türkiye jeolojik konumu nedeniyle bir deprem ülkesidir. Deprem yüküne bağlı olarak gerçekleşen sıvılaşma, yapılarda ciddi hasarlara sebebiyet vermektedir. Sıvılaşma anında zeminin taşıma gücünü kaybetmesi yapılarda ani ve ... -
Effect of Pozzolan Content and Fineness on Early Hydration of Interground Blended Cements
(Japan Concrete Inst, 2014)The chemical composition and heat evolution of <45 mu m (fine), and > 45 mu m ( coarse) portions of interground, natural pozzolan-blended cements were investigated. Cements with four different pozzolan contents were ground ... -
Drainage and Mechanical Behavior of Highway Base Materials
(Asce-Amer Soc Civil Engineers, 2014)The mechanical and drainage properties of graded aggregate base (GAB) materials used in mechanistic pavement design are the level one inputs. Several highway agencies need an evaluation of the stiffness and drainage ... -
Utilization of sepiolite materials as a bottom liner material in solid waste landfills
(Pergamon-Elsevier Science LTD, 2014)Landfill bottom liners are generally constructed with natural clay soils due to their high strength and low hydraulic conductivity characteristics. However, in recent years it is increasingly difficult to find locally ... -
Effective flexural rigidities for ordinary reinforced concrete columns and beams
(Wiley-Blackwell, 2014)Current effective flexural rigidities proposed for use in design and analyses of reinforced concrete structures have been examined. The level of accuracy in the estimation of section rigidity plays a very important role ... -
Influence of Structural Walls on the Seismic Performance of RC Buildings during the May 19, 2011 Simav Earthquake in Turkey
(Asce-Amer Soc Civil Engineers, 2014)Reinforced concrete (RC) buildings having the adequate amount of structural wall area with a symmetrical arrangement have been proven to have a satisfactory seismic performance in past earthquakes. Properly constructed ... -
Structural behavior of concrete filled steel tubular sections (CFT/CFSt) under axial compression
(Elsevier Sci LTD, 2014)In this study, compressive strength, modulus of elasticity and steel tensile coupon tests are performed to determine material properties. Sixteen hollow cold formed steel tubes and 48 concrete filled steel tube specimens ...