Başlık için İnşaat Mühendisliği Bölümü listeleme
Toplam kayıt 143, listelenen: 88-107
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Mechanical and microstructural features of autoclaved aerated concrete reinforced with autoclaved polypropylene, carbon, basalt and glass fiber
(Elsevier Sci Ltd, 2015)Autoclaved aerated concrete (MC) is a construction material obtained by being pore-forming of the mixture prepared with finely crushed siliceous aggregate lime, water and limestone with the addition of aluminum powder and ... -
Mechanical properties and microstructure of cement multicomponent systems containing pozzolan materials under sulfate attack
(STOWARZYSZENIE PRODUCENTOW CEMENTU, 2020)Sulfates are a significant chemical components that may lead to failures of cement concrete composites. The present study is dedicated to analyzing the effects of sulfate on the microstructure of cement composite mortars. ... -
The mechanical properties of Alkali-silica reactive mortars containing same amounts of silica fume and fly ash
(Gazi Univ, Fac Engineering Architecture, 2010)In this study, the Alkali silica reaction (ASR) effects on the mortars containing the same proportions of silica fume (SF) and fly ash (FA) instead of cement were investigated. SF and FA, used to control the expansion ... -
Microstructural properties of lithium-added cement mortars subjected to alkali-silica reactions
(Indian Acad Sciences, 2018)Little comparative research has been done on the efficiency of lithium additives to reduce the alkali-silica reaction (ASR) expansion. To reduce the ASR effects of reactive aggregate, different mortar bars were obtained ... -
Microstructural, Physical And Mechanical Properties Of Aerated Concrete Containing Fly Ash Under High Temperature And Pressure
(SERBAN SOLACOLU FOUNDATION, 2020)This study analyzed the effects of the use of fly ash as a replacement for the quartz sand on the compressive strength, dry density, moisture content and thermal conductivity of the aerated concrete. Based on the production ... -
Modelling Weekend Traffic With Weather Conditions Using Various Equation Type And Differential Evolution Algorithm
(Scientific Research Center Ltd Belgrade, 2016)In weekends, amount of passenger car traffic is usually higher than weekday because of the activity-based traveling on some highways. Forecasting of this traffic, might help to local authorities to take safety precautions ... -
Multifunctional smart nanoconcretes
(ELSEVIER SCIENCE BV, 2020)In this chapter, multifunctional smart properties of Engineered Cementitious Composites (ECC) which is a special class of High Performance Fiber Reinforced Cementitious Composites are presented. Main focus is placed on the ... -
Nano-tailored multi-functional cementitious composites
(ELSEVIER SCI LTD, 2020)This paper explores the effects of single and binary use of nano-additions on the self-sensing and self-healing efficiencies of cementitious composites in achieving a material that combines high mechanical and multifunctional ... -
A new delay parameter dependent on variable analysis periods at signalized intersections. Part 1: Model development
(Vilnius Gediminas Tech Univ, 2008)Delay is an important factor in the optimization of traffic signals and the determination of the level of service of a signalized intersection. This paper proposes a methodology and a new formulation to identify the delay ... -
A new delay parameter dependent on variable analysis periods at signalized intersections. Part 2: Validation and application
(Vilnius Gediminas Tech Univ, 2008)The main objective of the present study is to investigate the performance of the proposed model in Part I for variable demand, time and oversaturated conditions. To accomplish this objective and test the proposed model, ... -
A new delay parameter for variable traffic flows at signalized intersections
(2007)Estimation of delay at signalized intersections is a complex process and depends on a number of parameters, among which the degree of saturation (x = v/c) is the most important. This paper presents a new methodology for ... -
New Experimental Setup for Seismic Testing of Exterior RC Beam-Column Joints
(Amer Soc Testing Materials, 2015)Exterior beam-column joints are commonly tested to investigate the influence of different strengthening and repair techniques on the seismic performances of RC structures. All of the internal forces developing at the ends ... -
A numerical and analytical study on distortional buckling of doubly-symmetric steel I-beams
(Elsevier Sci Ltd, 2012)This study investigates the effect of web distortions in a lateral distortional buckling mode on the buckling moments of doubly-symmetric steel I-beams. Analytical buckling moment expressions applicable to both elastic and ... -
A Numerical Study of the Flexural Behavior of Concrete Beams Reinforced with AFRP Bars
(Springer, 2013)In this study, analytical and numerical investigations were extensively conducted to evaluate the flexural behavior of concrete beams reinforced with aramid fiber-reinforced polymer (AFRP) rebars. The AFRP-reinforced ... -
Occupant friendly seismic retrofit by concrete plates
(Zhejiang Univ, 2013)An innovative occupant friendly retrofitting technique has been developed for reinforced concrete (RC) building structures with hollow brick infill walls used as partition walls which constitute the major portion of the ... -
Optimization of fly ash particle size distribution for cementitious systems with high compactness
(Elsevier Sci Ltd, 2019)Compactness is of special importance for aggregates in concrete; however, the particle-size distribution (gradation) of powdery ingredients is commonly disregarded especially for pozzolanic materials such as fly ash. Without ... -
Optimizing a fuzzy logic traffic signal controller via the differential evolution algorithm under different traffic scenarios
(Sage Publications Ltd, 2016)This study aims at optimizing fuzzy logic controller (FLC) triangle membership functions (MFs) for different traffic volumes via differential evolution (DE). To achieve this goal, a new FLC with a red time limiter, which ... -
Optimizing of phase plan, sequence and signal timing based on flower pollination algorithm for signalized intersections
(SPRINGER, 2020)The purpose of this study is to develop a control system that optimizes the phase plan, sequence and signal timing using the flower pollination algorithm (FPA). At the same time, it is aimed to improve the fixed-time control ... -
Performance of cement mortars replaced by ground waste brick in different aggressive conditions
(Univ Chemistry & Technology, Prague, 2011)This article investigates the sulphate resistance of cement mortars when subjected to different exposure conditions. Cement mortars were prepared using ground waste brick (GWB) as a pozzolanic partial replacement for cement ... -
Performance of engineered cementitious composites under drop-weight impact: Effect of different mixture parameters
(Ernst & Sohn, 2019)Current research focuses on the experimental and numerical determination of impact performance of engineered cementitious composites (ECC). Performance assessment of ECC beams with different mixture parameters was made. ...