Mingli Cao

Doctoral Degree

Dalian University of Technology

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Gender:Female
Business Address:School of Infrastructure Engineering,DUT
Room 218, Haiyu Building
No.2 Linggong Road, Gaoxinyuan District
Dalian, P.R.China (116024)
E-Mail:minglic@dlut.edu.cn

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混凝土密实系数研究

Date of Publication:2002-08-27 Hits:

Indexed by:期刊论文
Date of Publication:2002-08-27
Journal:混凝土
Issue:8
Page Number:9-11
ISSN No.:1002-3550
Key Words:混凝土;砂率;密实系数
Abstract:本研究从紧密堆积及改善新拌混凝土工作性出发,推导出砂率理论公式,进而引出密实系数的概念.通过1432组实验数据确定了密实系数用粗集料最大粒径做其表征的数值;并分析了密实系数对坍落度、最大粒径、集灰比的影响.