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Impact of vibratory mixing parameters on air content of concrete(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年06期
Page:
100-104
Research Field:
Publishing date:
2011-12-20

Info

Title:
Impact of vibratory mixing parameters on air content of concrete
Author(s):
FU Chang-hui;  WANG Wei-zhong;  ZHANG Lei
Key Laboratory for Highway Construction Technology and Equipment of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
mechanical engineering;  concrete;  air content;  vibratory mixing;  experiment
PACS:
U414;U444
DOI:
-
Abstract:
In order to find a new method to increase the air content of concrete, this paper discussed the factors in mixing process, such as amplitude, vibratory frequency and mixing speed, how to influence the air content of concrete by experiment study. The results show that the change of these parameters could directly influence the air content of concrete, when using small amplitude, middle frequency, and the mixing speed lower than 1.2 m/s, the air content of the fresh concrete will rise about 3.5%, and the strength is improved. The vibratory mixing can not only improve the air content and its distribution, but also enhance its intensity. So this study can give a new way to enhance the durability of content. 5 tabs, 4 figs, 10 refs.

References:

[1] 冯忠绪.混凝土搅拌理论及设备[M].北京:人民交通出版社,2001.
[2]王修田,钱春香,游有鲲,等.含气量对混凝土抗冻性能与抗渗性能的影响[J].混凝土与水泥制品,2004(6):16- 18. WANG Xiu-tian,QIAN Chun-xiang,YOU You-kun,et al.The effect of air content in concrete to its frost resistance and the impermeability[J].China Concrere and Cement Products,2004(6):16-18.
[3]Portland C A.Control of air content in concrete[J].Concrete Technology Today,1998,19(1):2-8.
[4]吕丽华,柳俊哲,李玉顺.试验条件对引气混凝土性能的影响研究[J].混凝土,2006(7):14-16. LU Li-hua,LIU Jun-zhe,LI Yu-shun.Influence of experiment condition on air entrained concrete[J].Concrete,2006(7):14-16.
[5]赵利军,杜占领,冯忠绪.新型振动搅拌装置的试验研究[J].中国公路学报,2005,18(2):120-122. ZHAO Li-jun,DU Zhan-ling,FENG Zhong-xu.Experimental research on new vibratory mixer[J].China Journal of Highway and Transport,2005,18(2):120-122.
[6]GB/T 9142—2000,混凝土搅拌机[S].
[7]冯忠绪,江建卫,于丽娟.振动搅拌理论及其装置的试验研究[J].中国公路学报,1999,12(3):122-126. FENG Zhong-xu,JIANG Jian-wei,YU Li-juan.The experiment study of vibratory mixing theory and mixer[J].China Journal of Highway and Transport,1999,12(3):122-126.
[8]江建卫.周期式振动搅拌机的试验研究[D].西安:长安大学,1998.
[9]于丽娟.连续式振动搅拌机的试验研究[D].西安:长安大学,1997.
[10]杜占领.双卧轴振动搅拌机的试验研究[D].西安:长安大学,2003.

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Last Update: 2011-12-20