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author:

Tian, Er-bu (Tian, Er-bu.) [1] | Wang, Feng-chao (Wang, Feng-chao.) [2] | Zhang, Ren-wei (Zhang, Ren-wei.) [3] | Ji, Tao (Ji, Tao.) [4] (Scholars:季韬)

Indexed by:

CPCI-S EI Scopus

Abstract:

People often use superplasticizer and mineral admixtures (such as steel slag, slag, etc.) to increase the density of concrete and improve concrete strength, but don't use coarse aggregate gradding. The paper selects the coarse aggregate of skeleton structure from several grading concept, and uses Uniform Design to test high strength concrete workability, and analyses results. It is shown from the results that the method of Uniform Design can significantly reduce the workload, and concrete mixture slump increases linearly with the water-cement ratio and sand percentage, but decreases linearly with steel slag addition, and the water released from the flocculation of cement by superplasticizer can increase the slump, and most of water plays the role of lubricant before it reacts with cement, and the effect of slump that sand extends coarse aggregate skeleton are greater than that sand surface area increases.

Keyword:

Cement concrete coarse aggregate slag slump superplasticizer Uniform Design water-cement ratio

Community:

  • [ 1 ] [Tian, Er-bu]Sanming Univ, Sanming 365004, Fujian Province, Peoples R China
  • [ 2 ] [Wang, Feng-chao]Sanming Univ, Sanming 365004, Fujian Province, Peoples R China
  • [ 3 ] [Zhang, Ren-wei]Sanming Univ, Sanming 365004, Fujian Province, Peoples R China
  • [ 4 ] [Ji, Tao]Fuzhou Univ, Coll Civil Engn & Architecture, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Tian, Er-bu]Sanming Univ, Sanming 365004, Fujian Province, Peoples R China

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Source :

ADVANCES IN BUILDING MATERIALS, PTS 1-3

ISSN: 1022-6680

Year: 2011

Volume: 261-263

Page: 411-,

Language: English

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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