Research on Workability of Compaction-free Lean Concrete Base

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Research on Workability of Compaction-free Lean Concrete Base

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[1]Sheng Yanping,Sun Shiwei,Zhao Shulin,et al.Research on Workability of Compaction-free Lean Concrete Base[J].Journal of Zhengzhou University (Engineering Science),2017,38(06):79-82.[doi:10.13705/j.issn.1671-6833.2016.06.014]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 38 Number of periods: 2017 06 Page number: 79-82 Column: Public date: 2017-11-20

Title:: Research on Workability of Compaction-free Lean Concrete Base

Author(s):: Sheng Yanping; Sun Shiwei; Zhao Shulin; Zhou Huili; Chen Shuanfa; 1. School of Materials Science and Engineering, Chang’an University, Xi’an, Shaanxi, 710064; 2. Qinghai Academy of Transportation Sciences, Xining, Qinghai, 810008

Keywords:: road engineering; lean concrete; compaction-free; Vebe consistency value; workability

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2016.06.014

Abstract:: A kind of compaction-free lean concrete (CFLC) base was put forward in this paper. The smoothness and stability of the base could be ensured by using compaction-free lean concrete base. Meanwhile, the construction machinery and construction cycle could be reduced. Also, construction environment could be improved. Factors influence workability of CFLC were analyzed, the method and index of evaluating workability of CFLC were advanced. Orthogonality test design was adopted in tests, regression formula of evaluating index-- Vebe consistency value was educed. The results showed that the workability of CFLC could be evaluated by Vebe consistency value .

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Last Update: 2018-12-07