Influence of mixing techniques on properties of high performance concrete

Six mixing methods were used to prepare high performance concrete (HPC) of high flowability. The properties of the fresh and hardened concrete are measured. It is found that adding all superplasticizers (SP) in water in one dose can ensure that workability can be maintained. The tested results ident...

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Bibliographic Details
Published in:Cement and concrete research 2001, Vol.31 (1), p.87-95
Main Authors: Chang, Ping-Kun, Peng, Yaw-Nan
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Concrete making (water addition, mixing). Ready mixed concrete
Concretes. Mortars. Grouts
Exact sciences and technology
High flowability
High performance concrete
Materials
Superplasticizers
Water-to-binder ratio
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Summary:Six mixing methods were used to prepare high performance concrete (HPC) of high flowability. The properties of the fresh and hardened concrete are measured. It is found that adding all superplasticizers (SP) in water in one dose can ensure that workability can be maintained. The tested results identified a most efficient and economical method in making HPC, especially for lower binder content, which requires less mixing time and less amount of SP in producing the resulting material with higher flowability and better compressive strength than the other methods.
ISSN:0008-8846
1873-3948
DOI:10.1016/S0008-8846(00)00439-7