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A platform for research: civil engineering, architecture and urbanism
Experimental Study on Quality Control of Moderate-Strength Commercial Concrete
For the quality control of commercial concrete, it is important to choose correct raw-material and mixture ratio. C40 and C50 concrete were prepared in dry and cold climate environment, using local raw materials and a large amount of fly ash. Specific researches were made about different kinds and dosage of superplasticizers on the slump of concrete, slump loss and the intensity of the impact. The results show that naphthalene series superplasticizer JK-2 and 30% of fly ash can ensure that slump of the mixture concrete reach more than 180mm, slump loss is less than 30mm in an hour, strength of hardened paste will not be reduced, and concrete can be prepared with low costs.
Experimental Study on Quality Control of Moderate-Strength Commercial Concrete
For the quality control of commercial concrete, it is important to choose correct raw-material and mixture ratio. C40 and C50 concrete were prepared in dry and cold climate environment, using local raw materials and a large amount of fly ash. Specific researches were made about different kinds and dosage of superplasticizers on the slump of concrete, slump loss and the intensity of the impact. The results show that naphthalene series superplasticizer JK-2 and 30% of fly ash can ensure that slump of the mixture concrete reach more than 180mm, slump loss is less than 30mm in an hour, strength of hardened paste will not be reduced, and concrete can be prepared with low costs.
Experimental Study on Quality Control of Moderate-Strength Commercial Concrete
Sun, Jing (author) / Yuan, Jing-Shun (author) / Cong, Xiao Hong (author) / Liu, Hong-Bo (author)
2012
4 Seiten
Conference paper
English
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