نتایج جستجو برای: special concretes

تعداد نتایج: 260515  

2016

foresee a probable decrease in the number of mental defectives to be dealt with; but thought there were possibilities of a reduction in the number of physical defectives. There was an enormous and gratifying improvement in the conditions under which special education was carried on, and there could be none better than those enjoyed in some parts of Scotland. Mr. McKechnie begged all teachers to...

2014
Athanasios S. Drigas Georgia K. Kokkalia

Recent development in the role of special education in kindergarten children includes the use of Information and Communication Technologies (ICTs). ICT nowadays is recognized as a tool that can foster the knowledge and the experiences for this crucial age and the support of specific areas in kindergarten according to the educational perspective and the areas of needs they serve is thought signi...

2014

The topic of the article focuses on the evaluation of selected technological factors and their influence on resulting elasticity modulus of concrete. A series of various factors enter into the manufacturing process which, more or less, influences the elasticity modulus. This paper presents the results of concrete in which the influence of water coefficient and the size of maximum fraction of th...

Journal: :Trends in Civil Engineering and its Architecture 2018

Journal: :Fen ve mühendislik bilimleri dergisi 2023

Bu çalışma, 24 Ocak 2020 Elazığ-Sivrice depremi sonrasında kontrollü bir şekilde yıkılan binalardan 
 ortaya çıkan geri dönüştürülmüş beton agregaları kullanılarak üretilen dönüşüm iri agregalı betonların (GDİAB) ve doğal (DAB) çevresel etki sonuçlarını karşılaştırmayı amaçlamaktadır. amaçla 12 farklı serisi üretilmiş değerlendirmeleri karşılaştırılmıştır. Karşılaştırmalar yapılırken kateg...

Journal: :Advances in Science and Technology 2010

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1997

2016
Hajime Okamura

Abstract—In this study, the effects of waste marbles as aggregate material on workability and hardened concrete characteristics of self compacting lightweight concrete are investigated. For this purpose, self compacting light weight concrete are produced by waste marble aggregates are replaced with fine aggregate at 5%, 7.5%, and 10% ratios. Fresh concrete properties, slump flow, T50 time, V fu...

2015
A. Brahma

Abstract—Drying is a phenomenon that accompanies the hardening of hydraulic materials. This study is concerned the modelling of drying shrinkage of the hydraulic materials and the prediction of the rate of spontaneous deformations of hydraulic materials during hardening. The model developed takes consideration of the main factors affecting drying shrinkage. There was agreement between drying sh...

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