Experimental Research on the Influence of Pebble Aggregate Gradation on Concrete Strength

被引：1
|
作者：
Yin, Xiuhai [1 ]
Lu, Ling [2 ]
机构：
[1] Henan Water & Power Engn Consult Co Ltd, Zhengzhou 450016, Peoples R China
[2] Yellow River Engn Planning & Design Co Ltd, Zhengzhou 450003, Peoples R China
来源：
CIVIL ENGINEERING, ARCHITECTURE AND SUSTAINABLE INFRASTRUCTURE II, PTS 1 AND 2 | 2013年 / 438-439卷
关键词：
concrete; maximum aggregate size; age; compressive strength; bending strength;
D O I：
10.4028/www.scientific.net/AMM.438-439.179
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
By changing the grading of pebble and water cement ratio, the influence of pebble grading on the compressive strength and flexural strength of concrete is studied at the same pebble content. Test results show that the compression strength and bending strength of concrete decrease with the increasing of the maximal size of coarse aggregate, while the maximal size (D-max) of pebble aggregate achieves 10mm, 20mm, 40mm and 60mm. And concrete strength decreases significantly when D-max is 60mm. Meanwhile, the influence of aggregate gradation is obviously with the increase of age time.
引用
收藏
页码：179 / +
页数：2
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