The Soil Base Bearing Capacity Relevance Research in the Highway Overhaul Decision-Making

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Based on theexamples works of the road site excavation pits channels and supplemented by road non-destructive testing methods, this paper mainly adopts the road performance of the structural layers , main site designated point FWD test, soil base DCP test and soil base structure bearing capacity correlation. The results show that the existing common road on FWD detection inverse soil base modulus has a good linear relationship with soil base DCP measured modulus, in addition, measured soil base modulus with moisture content of the soil base also have a good linear relationship, but the three correlation does not comply with the actual situation of the road. Thus, before the decision making of the highway overhaul conservation , old Road usage evaluation, the road of non-destructive testing, the excavation pits survey and structural layers indicators detection are very necessary and effective methods.

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1778-1782

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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