Air permeability versus sorptivity: effects of field curing on cover concrete after one year of field exposure

A.A.Austin; A.A.Al-Kindy

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Air permeability versus sorptivity: effects of field curing on cover concrete after one year of field exposure

机译：透气性与吸水性：暴露于现场一年后，现场养护对覆盖混凝土的影响

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There is substantial interest in the air permeability and sorptivity tests as potential indicators of concrete quality. This paper reports on part of a research programme that investigated the effects of field exposure and curing on the penetrability properties of the cover region of concrete. The air permeability and sorptivity profiles indicated that curing generally affected the penetrability properties of concrete to a depth of 20 mm from the exposed surface; however, the curing-affected zone varied widely depending on concrete type and strength as well as exposure conditions. Curing with wet hessian improved the penetrability properties of the cover region of the concrete.

机译：作为混凝土质量的潜在指标，透气性和吸附性测试引起了人们的极大兴趣。本文报道了一项研究计划的一部分，该计划研究了场暴露和固化对混凝土覆盖层渗透性的影响。空气渗透性和吸湿性曲线表明，养护通常会影响混凝土的渗透性，直至距暴露表面20毫米。然而，受固化影响的区域根据混凝土类型和强度以及暴露条件的不同而有很大差异。用湿粗麻布固化可改善混凝土覆盖区域的渗透性。

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来源
《Magazine of Concrete Research》 |2000年第1期|p.17-24|共8页
作者
A.A.Austin; A.A.Al-Kindy;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类水泥工业;
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Air permeability versus sorptivity: effects of field curing on cover concrete after one year of field exposure

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