EFFECT OF STEEL FIBER WITH DIFFERENT SIZE ON WATER TIGHTNESS AND FLEXURAL PROPERTIES OF CONCRETE

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  • HORIGUCHI Itaru
    社団法人 土木学会 呉工業高等専門学校 環境都市工学科
  • SAEKI Noboru
    社団法人 土木学会 北海道大学大学院 工学研究科社会基盤工学専攻

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  • コンクリートの水密性および曲げ特性に対する形状寸法の異なる鋼繊維の補強効果
  • コンクリート ノ スイミツセイ オヨビ マゲ トクセイ ニ タイスル ケイジョウ スンポウ ノ コトナル コウ センイ ノ ホキョウ コウカ

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Abstract

The effect of steel fiber with different size on water tightness and flexural properties of concrete was investigated. From the test results of single fiber reinforced concrete, fibers used in this research were divided in two categories of longer and shorter ones. The effect of each fiber on water tightness and flexural properties was different. From the test results of hybrid fiber reinforced concrete, the effect of combination of fibers on water tightness and flexural properties were different each other. The permeability of fiber reinforced concrete had correlation with compressive strength, and the effect of combination of fibers on water tightness was quantified using by cement-void ratio theory, which explained compressive strength of concrete.

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