Non-destructive Technique of Quality Detection on Soil-Rock Mixture Embankment Constructed by Dynamic Consolidation Method

Journal of Chongqing Jiaotong University(Natural Science) ›› 2008, Vol. 27 ›› Issue (S1): 945-947.

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Non-destructive Technique of Quality Detection on Soil-Rock Mixture Embankment Constructed by Dynamic Consolidation Method

JIA Xue-ming^1,2, YANG Jian-guo²

1. Institute of Rock & Soil Mechanics in Wuhan, Chinese Academy of Sciences, Hubei Wuhan 430071, China;
2. Institute of Chongqing Communication Research & Design, Chongqing 400067, China

Received:2008-09-18 Online:2008-07-20 Published:2016-11-14

土石混填路基强夯法施工质量无损检测技术

贾学明^1,2, 杨建国²

1. 中国科学院武汉岩土力学所, 湖北武汉 430071;
2. 重庆交通科研设计院, 重庆 400067

作者简介:贾学明(1974-),男,河南信阳人,副研究员,主要研究方向:道路工程。E-mail:jiaxm2002@hotmail.com;Tel:62653691,13996288486。
基金资助:
重庆市科技攻关计划项目(CSTC,2008AC6047);交通部西部开发项目(200231800034)

Abstract

Abstract: To evaluate the effect of dynamic consolidation method used in the construction of soil-rock mixture embankment,no non-destructive detection technique has been used until now.The effect of dynamic consolidation method is evaluated by measuring face-wave velocity.The principles and characteristics of this approach are expounded firstly.Then it is employed in evaluating the degree of compaction in the Liang-Chang Expressway embankment engineering.The result indicates that the change of face-wave velocity before and after dynamic consolidation reflects the change of soli-rock features and the effect of dynamic consolidation can be evaluated by measuring face-wave velocity.Rayleigh-wave used to evaluate the effect of dynamic consolidation is worth to be promoted actively because of its efficiency and accuracy.

Key words: soil-rock mixture embankment, dynamic consolidation, Rayleigh-wave, detection

摘要： 对于土石混填路基强夯处治效果的评价,还没有比较好的无损检测手段。采用测量面波速度的方法来评价强夯加固处治措施的效果,在阐述了该方法的原理及特点后,结合梁长高速公路的路基强夯实际工程,应用该方法对该段高速公路的路基压实度进行了评价。结果表明:强夯处治前后面波速度的变化反映了岩土力学性质的变化,利用测量面波速度的方法可以评价强夯加固处治措施的效果,瑞利波法用于评价强夯施工效果高效、准确,值得大力推广。

关键词: 土石混填路基, 强夯, 瑞利波, 检测

CLC Number:

TU472.3⁺2

JIA Xue-ming, YANG Jian-guo. Non-destructive Technique of Quality Detection on Soil-Rock Mixture Embankment Constructed by Dynamic Consolidation Method[J]. Journal of Chongqing Jiaotong University(Natural Science), 2008, 27(S1): 945-947.

贾学明, 杨建国. 土石混填路基强夯法施工质量无损检测技术[J]. 重庆交通大学学报（自然科学版）, 2008, 27(S1): 945-947.

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Non-destructive Technique of Quality Detection on Soil-Rock Mixture Embankment Constructed by Dynamic Consolidation Method

土石混填路基强夯法施工质量无损检测技术

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