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Application of DCP and Long Rod Penetration Instrument in Silty Sand Roadbed Test
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[1]TAO Xianghua,CAI Yingchun,ZHENG Yuanxun,et al.Application of DCP and Long Rod Penetration Instrument in Silty Sand Roadbed Test[J].Journal of Zhengzhou University (Engineering Science),2014,35(04):5-8.[doi:10.3969/j.issn.1671-6833.2014.04.002]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 35卷 Number of periods: 2014 04 Page number: 5-8 Column: Public date: 2014-08-30
Title:
Application of DCP and Long Rod Penetration Instrument in Silty Sand Roadbed Test
Author(s):
TAO Xianghua; CAI Yingchun; ZHENG Yuanxun; etc;
1.School of Water Resourees and Environment, 2hengzhou [niversity, 2hengzhou 450002, China; 2. Henan 2hongyuan Highway Co Ltd,Zhengzhou 450007.China
Keywords:
road engineering;  DCP;  long rod penetration instrument;  field CBR
CLC:
U416.2
DOI:
10.3969/j.issn.1671-6833.2014.04.002
Abstract:
Based on silty sand roadbed of Zhengmin( From Zhengzhou to Minquan)Expressway Kaifeng see-tion, the DCP, long rod penetrometer and field CBR point comparison test was perfored and on three kinds ofmeasured data eorrelation is studied. Finally ,the relationships among DCP, long road penetration instrument,field CBR values was established. The results show that good correlation exists between the three test methods.and use the DCP, a long rod penetration instrument technology for rapid deteetion of silty sand roadbed qualitlycontrol is feasible method, and also can be useful referenee for practical use.
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