摘要
京新高速公路(G7)新疆境内大黄山至乌鲁木齐段改扩建公路是完善国家高速公路网和新疆干线公路网的需要。本标段承建的K82+740-K88+900段为Ⅲ级湿陷性黄土路段,为防止路基沉降对路面的破坏,图纸设计采用水泥土挤密桩的方法来达到地基基础挤密的效果,从而消除湿陷现象,有效控制路基沉降,提高公路使用寿命。通过工程实体施工水泥土挤密桩对湿陷性黄土的作用进行研究,为后续类似工程施工起到一定的帮助。
The reconstruction and expansion of Dahuangshan-Urumqi section of Beijing-Xinjiang Expressway(G7)in Xinjiang is the need to improve the national highway network and the Xinjiang trunk highway network.The K82+740-K88+900 section constructed in this section is the grade III collapsible loess section.In order to prevent the damage of subgrade settlement to the pavement,the cement-soil compaction pile method is used in the drawing design to achieve the effect of foundation compaction,so as to eliminate the collapsibility,effectively control the subgrade settlement and improve the service life of the highway.The effect of cement-soil compaction pile on collapsible loess is studied through the construction of engineering entity,which will play a certain help for subsequent similar projects.
作者
李自友
LI Zi-you(The 3rd Engineering Co.,Ltd.of China Railway 17th Bureau Group Corporation,Shijiazhuang 050000,China)
出处
《价值工程》
2020年第36期123-125,共3页
Value Engineering
关键词
湿陷性黄土
水泥土挤密桩
处理
collapsible loess
cement-soil compaction pile
treatment
