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Guangxi expansive soil typical asphalt pavement structure of

Author: LiWanWei
Tutor: YangXiWu；WuXuQuan
School: Chongqing Jiaotong University
Course: Architecture and Civil Engineering
Keywords: Guangxi highway Asphalt pavement Disease survey Typical Structure Expansive soil Finite Element Analysis
CLC: U416.216
Type: Master's thesis
Year: 2008
Downloads: 51
Quote: 4
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Abstract


Guangxi is the wider distribution of expansive soil areas , how to build roads on expansive soil Guangxi region to become a more important issue. In the past because of the expansive soil subgrade insufficient attention pavement structure , resulting in a considerable part of the current expansion of the road on land segment had different forms of damage, not only affects the traffic , but also a waste of engineering investment . This article on the nature of the Guangxi region expansive soil , expansive soil and non- expansive soils roadbed Pavement investigation , based on the nature and for Guangxi expansive soil swelling of expansive soil subgrade destruction , and proposes the use of expansive soil subgrade reinforced decreases the method of surface damage . Using the finite element method with reduced soil base geogrid differential expansion force on the pavement structure carried out a detailed analysis and demonstration . According expansive soil subgrade strength characteristics and Guangxi regional transport characteristics, material properties , developed a road embankment in Guangxi region expansion typical structure for the expansion of land area pavement structure design reference to the Guangxi region expansive soil pavement structure design standardization and typification , charts , thus enabling the expansion of land area pavement structure design safe, reliable , economical, reducing the land area expanded pavement .

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering > Road : use of the material points > Cement concrete pavement
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