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Journal Cover Concrete Research Letters
  [2 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2180-1371
   Published by ISSR Journals Homepage  [3 journals]
  • Comparison between utilization of industrial waste steel slag as aggregate
           and natural aggregate in underwater self-compacting concrete

    • Authors: ASHRAF MOHAMED HENIEGAL, ALSAEED ABD EL SALAM MAATY, IBRAHIM SAAD AGWA
      Abstract:
      PubDate: 2015-12-19
      Issue No: Vol. 6 (2015)
       
  • EXPERIMENTAL ANALYSIS OF CENTERALLY OPENNED TWO-WAY SLABS STRENGTHENED
           WITH CARBON FIBER LAMINATES

    • Authors: ADHAM ABD EL RAZIK EL ALFY
      Abstract: This study is an experimental and analysis investigation of the behavior of two-way simply supported RC flat slabs with centered circular, rectangular, and square openings. Four models were tested to failure, consisting of a reference model without opening, and three models with an opening and Carbon Fiber Reinforced Polymer (CFRP) laminates applied to the tension face of...
      PubDate: 2015-12-19
      Issue No: Vol. 6 (2015)
       
  • Relation Between Density and Compressive Strength of Hardened Concrete

    • Authors: Shohana Iffat
      Abstract: Concrete must has to ensure satisfactory compressive strength and durability. The mechanical properties of concrete are highly influenced by its density. A denser concrete generally provides higher strength and fewer amount of voids and porosity. Smaller the voids in concrete, it becomes less permeable to water and soluble elements. So water absorption will also be less and better durability is expected from this type of concrete. In this paper an experimental program conducting on compressive strength, density, absorption capacity and percent voids of hardened concrete is described. The variation of these properties with maturity of concrete was main focus of this experiment. Comparison is made between two types of concrete’s property test results. One of them is lightweight concrete made with crushed brick (BC) as primary coarse aggregate. Crushed brick is a locally available construction material in Indian subcontinent. Another type of concrete is a denser one, made with crushed stone (SC) as primary coarse aggregate. The comparisons on test results are presented with respect to time. It was observed from the experiment that, strength and density increases with maturity of concrete and percent void and absorption capacity decreases with time. Better results were obtained from stone aggregate concrete than brick aggregate concrete in cases of all of the tests.
      PubDate: 2015-12-19
      Issue No: Vol. 6 (2015)
       
 
 
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