Browsing by Author "Mermerdas, Kasim"
Now showing items 1-17 of 17
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Analytical prediction of available rotation capacity of cold-formed rectangular and square hollow section beams
Mermerdas, Kasim; D'Aniello, Mario; Guneyisi, Esra Mete; Landolfo, Raffaele (ELSEVIER SCI LTD, 2014-04)In this paper, a soft-computing based study aimed to estimate the available rotation capacity of cold-formed rectangular and square hollow section (RHS-SHS) steel beams is described and novel mathematical models based on ... -
Combined effect of steel fiber and metakaolin incorporation on mechanical properties of concrete
Mermerdas, Kasim; Guneyisi, Erhan; Gesoglu, Mehmet; Akoi, Arass Omer Mawlod (ELSEVIER SCI LTD, 2014-01)This study reports the results of an experimental study on mechanical properties of plain and metakaolin (MK) concretes with and without steel fiber. To develop the metakaolin included steel fiber reinforced concrete ... -
Effect of aggregate properties on the mechanical and absorption characteristics of geopolymer mortar
Nassani, Dia Eddin; Mermerdas, Kasim; Manguri, Soran; Oleiwi, Safie Mahdi (ELSEVIER - DIVISION REED ELSEVIER INDIA PVT LTD, 2017-12)Even though aggregate constitutes major volume in geopolymer concrete, only limited study related to this parameter has been reported. This paper presents the summary of study carried out to understand the influence of ... -
Effect of volcanic pumice powder on the fresh properties of self-compacting concretes with and without silica fume
Mermerdas, Kasim; Guneyisi, Erhan; Gesoglu, Mehmet; Al-Rawi, Saad (SPRINGER, 2014-11)The current study presents an experimental study conducted on the effectiveness of volcanic pumice powder (VP) on the fresh properties of self-compacting concretes (SCCs) with and without silica fume (SF). In the first ... -
Enhancement of shrinkage behavior of lightweight aggregate concretes by shrinkage reducing admixture and fiber reinforcement
Mermerdas, Kasim; Guneyisi, Erhan; Gesoglu, Mehmet; Mohamadameen, Alaa; Alzeebaree, Radhwan; Algin, Zeynep (ELSEVIER SCI LTD, 2014-03-15)This paper presents the results obtained from an experimental study conducted to investigate the effect of shrinkage reducing admixture (SRA) and steel fiber addition on the performance properties of lightweight aggregate ... -
Evaluation and modeling of ultimate bond strength of corroded reinforcement in reinforced concrete elements
Mermerdas, Kasim; Guneyisi, Esra Mete; Gultekin, Aysegul (SPRINGER, 2016-08)Bond deterioration between the reinforcement and surrounding concrete is one of the crucial reasons for the structural degradation in the steel-concrete composite structures. The assessment of bond deterioration due to ... -
Explicit formulation of drying and autogenous shrinkage of concretes with binary and ternary blends of silica fume and fly ash
Mermerdas, Kasim; Arbili, Mohamed Moafak (ELSEVIER SCI LTD, 2015-09-30)Shrinkage is generally considered as an important durability property of hardened concrete. During the drying process, free and absorbed water is lost from the concrete. When the drying shrinkage is restrained, cracks can ... -
Fresh, Mechanical and Absorption Characteristics of Self-Consolidating Concretes Including Low Volume Waste PET Granules
Nassani, Dia Eddin; Mermerdas, Kasim; Sakin, Mehmet (C EJ PUBLISHING GROUP, 2017-10)This study evaluates the effect of waste polyethylene terephthalate (PET) granules on the fresh, mechanical and absorption characteristics of self-consolidating concretes (SCCs). Fine aggregates were replaced with different ... -
Modeling and analysis of the shear capacity of adhesive anchors post-installed into uncracked concrete
Mermerdas, Kasim; Gesoglu, Mehmet; Guneyisi, Esra Mete; Guneyisi, Erhan; Yilmaz, Muhammet Enes (ELSEVIER SCI LTD, 2014-04)This paper reports the results of an analytical study to predict the edge breakout shear capacity of single adhesive anchors post-installed into uncracked hardened concrete. For this purpose, an experimental database for ... -
Multi-Objective Optimization of Alkali Activator Agents for FA- and GGBFS-Based Geopolymer Lightweight Mortars
Nassani, Dia Eddin; Oleiwi, Safie Mahdi; Algin, Zeynep; Mermerdas, Kasim (SPRINGER HEIDELBERG, 2018-10)This article presents the effect of different sodium hydroxide (NaOH) concentrations and sodium silicate-to-sodium hydroxide (Na2SiO3/NaOH) ratio on the fresh and some hardened properties of lightweight geopolymer mortar ... -
Numerical modeling of time to corrosion induced cover cracking in reinforced concrete using soft-computing based methods
Mermerdas, Kasim; Guneyisi, Esra Mete; Guneyisi, Erhan; Gesoglu, Mehmet (SPRINGER, 2015-06)Reinforced concrete (RC) is one of the most commonly used composite materials in construction industry. Corrosion of reinforcing steel embedded in concrete is a crucial issue leading deterioration of RC structure. In this ... -
Optimization of concrete mixture with hybrid blends of metakaolin and fly ash using response surface method
Mermerdas, Kasim; Guneyisi, Erhan; Gesoglu, Mehmet; Algin, Zeynep (ELSEVIER SCI LTD, 2014-04)This paper presents the experimental results of a research carried out on the strength and permeability related properties of high performance concretes made with binary and ternary cementitious blends of fly ash (FA) and ... -
Optimization of lightweight GGBFS and FA geopolymer mortars by response surface method
Nassani, Dia Eddin; Mermerdas, Kasim; Algin, Zeynep; Oleiwi, Safie Mandi (ELSEVIER SCI LTD, 2017-05-15)In the first stage of the paper, the effect of binder content, curing temperature and curing time on the compressive strength of light-weight geopolymer mortar (LWGM) was investigated. The base materials used for LWGM are ... -
Prediction of the flexural overstrength factor for steel beams using artificial neural network
Mermerdas, Kasim; Guneyisi, Esra Mete; D'Aniello, Mario; Landolfo, Raffaele (TECHNO-PRESS, 2014-09)The flexural behaviour of steel beams significantly affects the structural performance of the steel frame structures. In particular, the flexural overstrength (namely the ratio between the maximum bending moment and the ... -
Predictive models of the flexural overstrength factor for steel thin-walled circular hollow section beams
Mermerdas, Kasim; D'Aniello, Mario; Guneyisi, Esra Mete; Landolfo, Raffaele (ELSEVIER SCI LTD, 2015-09)Circular hollow section (CHS) steel beams are widely used in both mechanical and civil applications. CHS members are mainly subjected to bending. The flexural overstrength factor (namely the ratio between the ultimate ... -
Strength and permeability properties of self-compacting concrete with cold bonded fly ash lightweight aggregate
Mermerdas, Kasim; Guneyisi, Erhan; Gesoglu, Mehmet; Booya, Emad (ELSEVIER SCI LTD, 2015-01-15)This paper presents the results of an experimental study on the hardened characteristics of the self-compacting concretes made with cold bond fly ash lightweight aggregates. Binary and ternary use of fly ash (FA) and silica ... -
Strength and transport properties of steam cured and water cured lightweight aggregate concretes
Mermerdas, Kasim; Gesoglu, Mehmet; Guneyisi, Erhan; Ali, Barham (ELSEVIER SCI LTD, 2013-12)In this paper, effect of steam and water curing on the compressive strength development and transport properties such as water sorptivity, rapid chloride ion permeability, and gas permeability of concretes containing various ...
