TESTING FOR OPTIMUM PUMPABILITY OF CONCRETE.

被引：0
|
作者：
Best, J.F.
Lane, R.O.
机构：
来源：
Concrete International | 1980年 / 2卷 / 10期
关键词：
CONCRETE AGGREGATES - CONCRETE TESTING - MORTAR;
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学科分类号：
摘要：
A testing and evaluation program was conducted at the TVA Laboratories to determine significant parameters relative to pumping concrete and mortar mixes, and to develop a simple laboratory pump apparatus and test method which would provide quantitative comparisons of the relative pumpability of concrete mixes. The effects of numerous variables on the pumping characteristics of concrete were investigated, including water-cement ratio; mortar volume; air content; slump; sand content; aggregate shape, size, and content; and the addition of fly ash.
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页码：9 / 17
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