EXPERIMENTAL RESEARCH ON ANCHORAGE PERFORMANCE OF RECYCLED AGGREGATE CONCRETE WITH STEEL FIBER AND SILICA FUME CONCRETE

Li Chaofei; Su Youwen; Zhan Ni; Ma Qianwen

Volume 44 Issue 09

Jan. 2015

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Li Chaofei, Su Youwen, Zhan Ni, Ma Qianwen. EXPERIMENTAL RESEARCH ON ANCHORAGE PERFORMANCE OF RECYCLED AGGREGATE CONCRETE WITH STEEL FIBER AND SILICA FUME CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(09): 101-105.

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Li Chaofei, Su Youwen, Zhan Ni, Ma Qianwen. EXPERIMENTAL RESEARCH ON ANCHORAGE PERFORMANCE OF RECYCLED AGGREGATE CONCRETE WITH STEEL FIBER AND SILICA FUME CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(09): 101-105.

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EXPERIMENTAL RESEARCH ON ANCHORAGE PERFORMANCE OF RECYCLED AGGREGATE CONCRETE WITH STEEL FIBER AND SILICA FUME CONCRETE

Publish Date: 2014-09-20

Abstract

Abstract

By the orthogonal test method，through the pull-out test of 84 specimens to investigate the bond performance between concrete and steel． Test results indicate that: 1 ) concrete cover thickness，and shape of reinforcement section have a greater effect on the failure made of bond anchorage; 2) free end slip value lagged that of loaded end，and the lag factors relate mainly with anchorage length and reinforcement diameter; 3) recycled coarse aggregate quantity of 30% pull-out specimens reached bond force limit the time compared to the ordinary concrete and recycled coarse aggregate quantity is 50% pieces for a longer period of time，the reason needs to be further explored; 4) bond performance of reinforcing steel bar and concrete is improved with an increase in concrete cover，and is weakened with an increase in the bar diameter．
- recycled aggregate concrete,
- reinforced anchorage,
- τ － s curve

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