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《Ready-Mixed Concrete》 2013-02
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Research on rebound method strength curve and its parameters of ready-mixed concrete

Wang Dayong1,2(1.Langfang construction engineering quality testing center,Langfang 065000,China; 2.Langfang Yangguang construction engineering quality testing CO,.Ltd.,Langfang 065000,China)  
According to the data got from the engineering entity and large-scale test model in three years long,the author writes this paper to study ready-mixed concrete strength curve of rebound method testing,give the curve equation of rebound method for the horizontal test of concrete side and upward or downward detection of concrete pouring underside or surface.At the same time,the change trend of the old and new rules of rebound method and the comparison can also be seen in the introduction.The article studied on the rebound method strength curve parameters of shear walls and cast-in-place slabs,and the age effect to concrete cores,rebound values and carbonation depth of concrete.In order to set up the connection between the cast-in-place floor units and the rebound method for the horizontal test of commodity concrete pouring side,the author gives rebound value angle correction and pouring surface correction formulas of the cast-in-place floor units under two particular states.At last,it preliminary studied the effect of structure concrete quality on the strength curve detecting precision.The results of this paper can be used as a reference for the project quality detection and identification.
【CateGory Index】: TU528.52
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 ;论商品混凝土的湿养护[J];Ready-Mixed Concrete;2006-03
2 Wang Dayong(Langfang Construction Engineering Quality Testing Center,Langfang,Hebei 065000,China);Study on Mechanical and Carbonation Performance of Composite Mineral Admixtures and Mixed Sand Concrete[J];Construction Technology;2010-12
【Co-citations】
Chinese Journal Full-text Database 3 Hits
1 HAO Ke-geng 1,2,WANG Da-yong 1,2(1.Langfang Construction Engineering Quality Testing Center,Langfang 065000,Chian; 2.Langfang Yangguang Construction Engineering Quality Testing Co.,Ltd.,Langfang 065000,China);Research on rebound method strength curve of green concrete[J];Concrete;2012-07
2 Gan Changcheng1,Guan Zhiwen2,Zhang Zigeng3,Li Jianting1,Lv Weiqiang1,(1.Heshan Jianli Concrete Co.Ltd,Heshan 529721,Guangdong,China;2.Heshan Construction Engineering Quality Sefety Supervision Station,Heshan 529700,China;3.The Ready-mixed Concrete Centre of Zhongshan First Construction Co.Ltd,Zhongshan 528447,China);The dialectical relationship between cracking and permeability of concrete[J];Ready-Mixed Concrete;2008-03
3 Wang Dayong(Langfang Construction Engineering Quality Testing Center,Langfang,Hebei 065000,China);Research on Performance of Concrete Entity Structure in Winter Construction[J];Construction Technology;2011-16
China Proceedings of conference Full-text Database 1 Hits
1 Gan Changcheng~1 Guan Zhiwen~2 Zhang Zigeng~3 Li Jianting~1 Lv Weiqiang~1 (1.Heshan Jianli Concrete Co.Ltd,Heshan 529721,Guangdong,China;2.Heshan Construction Engineering Quality Sefety Supervision Station,Heshan 529700,China;3.The Ready-mixed Concrete Centre of Zhongshan First Construction Co.Ltd,Zhongshan 528447,China);The dialectical relationship between cracking and permeability of concrete[A];[C];2008
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