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土石混填路基动态回弹模量与压实度的关系(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年01期
Page:
87-90
Column:
研究论文
publishdate:
2011-01-01

Article Info:/Info

Title:
Relationship between dynamic resilient modulus and compaction degree of soilrock embankment
Author(s):
HAO Menghui HAO Peiwen
Relationship between dynamic resilient modulus and compaction degree of soilrock embankmentHAO Menghui1, HAO Peiwen2(1. Key Laboratory of Road Structure and Material of Communications Industry, Chang′an University, Xi′an 710064, China; 2. School of Hi
Keywords:
soilrock embankment dynamic resilient modulus compaction degree relation model
Classification number :
U416.6
DOI:
10.3969/j.jssn.1000-2006.2011.01.020
Document Code:
A
Abstract:
Dynamic resilient modulus is a strength index, it can reflect dynamic characteristic of subgrade. This research gathers the test data of dynamic resilient modulus and compaction degree of same construction conditions, then get an empirical equation of the relationship between dynamic resilient modulus and compaction degree by means of the regression analysis, then a relationship of dynamic resilient modulus and degree of compaction in soilrock embankment is studied according to a large numbers of simulation tests. Finally using the relation equation controls fieldwork quality testing. The result of tests shows the model of loglinear can reflect the relationship between dynamic resilient modulus and compaction degree though 4d and Grubbs method test. The compactness of subgrade can be evaluated nondestructively by using the dynamic resilient modulus testing technique.

References

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Last Update: 2011-01-14