半刚性基层收缩裂缝成因分析及防治  

Analysis on Causes of Shrink Crackings and Measures on Semi - rigid Base

作　　者：方新雨[1] 曾辉[1] 

机构地区：[1]江苏恒基路桥总公司,中国常州213002

出　　处：《现代交通技术》2005年第6期13-15,共3页Modern Transportation Technology

摘　　要：半刚性基层早期出现收缩裂缝,是目前尚未很好解决的施工技术问题。结合沪宁高速公路扩建的施工实践, 对基层收缩裂缝的成因机理作了分析,并提出了在施工中防治裂缝发生的有效措施。It is still a unsolved problem that semi - rigid base appears the shrinking crack at early stage. Based on the construction practice on Huning expressway extension project, it analyzed the mechanism and the cause of base crackings, meanwhile proposed the effective measures on preventing shrinking crack.

关 键 词：半刚性基层 收缩裂缝 成因分析 防治措施 

分 类 号：U416.217[交通运输工程—道路与铁道工程] U418.6