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首页> 外文期刊>American journal of applied sciences >STRENGTH, CHLORIDE PERMEABILITY AND CORROSION OF COARSE FLY ASH CONCRETE WITH BAGASSE-RICE HUSK-WOOD ASH ADDITIVE
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STRENGTH, CHLORIDE PERMEABILITY AND CORROSION OF COARSE FLY ASH CONCRETE WITH BAGASSE-RICE HUSK-WOOD ASH ADDITIVE

机译：稻米-稻壳-木灰添加剂对粉煤灰混凝土的强度，氯化物渗透性和腐蚀

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摘要

This study studied the utilization of Bagasse-Rice Husk-Wood Ash (BRWA) as an additive for improving the strength and durability of coarse Fly Ash (FA) concrete. The ground BRWA was used as an additive for maintaining the consistent slump of FA concrete. The strength, chloride permeability and corrosion resistance were investigated. The chloride permeability of concrete was evaluated using the measurement of coulomb charge as per ASTM C1202 and the corrosion resistance was detected using the Accelerated Corrosion test by Impressed Voltage (ACTIV). The test indicated that the incorporation of ground BRWA as an additive in FA concrete improved potentially both the strength and corrosion resistance, particularly the concrete containing up to 40% FA. While the 60% FA concrete with ground BRWA additive improved significantly in strength, the resistance to corrosion was insignificantly improved. The results showed that the use of ground BRWA as an additive was one approach for its utilization in concrete beyond use as pozzolan. The increase in the use of BRWA in concrete could reduce costs and minimize the environmental problems as well.
机译：这项研究研究了利用蔗渣-稻壳木灰（BRWA）作为添加剂来提高粗粉煤灰（FA）混凝土的强度和耐久性。磨碎的BRWA用作添加剂来保持FA混凝土的一致坍落度。研究了强度，氯化物渗透性和耐腐蚀性。根据ASTM C1202，使用库仑电荷测量来评估混凝土的氯化物渗透性，并通过“施加电压”（ACTIV）进行的加速腐蚀试验来检测其耐腐蚀性。该测试表明，在FA混凝土中掺入磨碎的BRWA作为添加剂可潜在地改善强度和耐腐蚀性，特别是FA含量高达40％的混凝土。掺有BRWA添加剂的60％FA混凝土的强度显着提高，而耐腐蚀性却没有明显提高。结果表明，将地面BRWA用作添加剂是将其用于混凝土中而不是用作火山灰的一种方法。在混凝土中使用BRWA的增加可以降低成本，并将环境问题最小化。

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