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某公路工程大厚度人工填土处置方案比选 被引量:1

Comparison and selection of disposal schemes of large thickness artificial fill in a highway project
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摘要 公路工程穿越大厚度人工填土容易引发路基不均匀沉降、路面变形开裂等问题,其处置设计方案有多种选择,如何根据实际条件选择最优方案对项目的成本投入、工期、安全风险及环保等有极大影响。本文以甘肃省某城区连接线公路工程为研究对象,通过对比分析,选择了孔内深层强夯方案,一方面从安全着手,减少了因开挖扰动引起山体坍塌的风险,另一方面从环保入手,通过尽量少设置弃土场以充分保护植被,同时也满足了业主方对工期的要求。该方案的应用可为类似公路工程提供了借鉴。 When highway project passing through large thickness artificial fill,it is easy to cause problems such as uneven settlement of subgrade and deformation and cracking of pavement.There are many options for the disposal design scheme.How to choose the optimal scheme according to the actual conditions has a great impact on the cost input,construction period,safety risk and environmental protection of the project.In this paper,a connecting line highway project in a city of Gansu is taken as the research object.Through comparative analysis,the deep dynamic compaction scheme in the hole is selected.On the one hand,from safety aspect,the risk of mountain collapse caused by excavation disturbance is reduced.On the other hand,from environmental protection aspect,the waste dump is set as little as possible to fully protect vegetation.At the same time,the requirements of the owner for the construction period are met.The application of this scheme provides a good reference for similar highway engineering.
作者 李建红
出处 《中国建材科技》 2020年第3期111-113,共3页 China Building Materials Science & Technology
关键词 大厚度人工填土 设计方案 孔内深层强夯 方案比选 large thickness artificial fill design scheme deep dynamic compaction in hole scheme comparison and selection
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