现代交通技术
現代交通技術
현대교통기술
XIANDAI JIAOTONG JISHU
2011年
5期
4-7
,共4页
路基病害%岩溶土洞%地质雷达%地基处理
路基病害%巖溶土洞%地質雷達%地基處理
로기병해%암용토동%지질뢰체%지기처리
subgrade disease%soil cave%ground penetrating radar(GPR)%foundation treatment
岩溶土洞塌陷严重影响高速公路建设和安全运营,是覆盖型岩溶区高速公路路基面临的岩溶主要病害问题之一。该文分析了广西桂阳高速公路建设过程中出现的岩溶土洞病害成因,在对土洞发育特征和分布状况全面调查的基础上,针对不同类型土洞病害特点提出了处治原则,并采取了相应的处理措施,解决了工程问题。
巖溶土洞塌陷嚴重影響高速公路建設和安全運營,是覆蓋型巖溶區高速公路路基麵臨的巖溶主要病害問題之一。該文分析瞭廣西桂暘高速公路建設過程中齣現的巖溶土洞病害成因,在對土洞髮育特徵和分佈狀況全麵調查的基礎上,針對不同類型土洞病害特點提齣瞭處治原則,併採取瞭相應的處理措施,解決瞭工程問題。
암용토동탑함엄중영향고속공로건설화안전운영,시복개형암용구고속공로로기면림적암용주요병해문제지일。해문분석료엄서계양고속공로건설과정중출현적암용토동병해성인,재대토동발육특정화분포상황전면조사적기출상,침대불동류형토동병해특점제출료처치원칙,병채취료상응적처리조시,해결료공정문제。
Soil cave collapse is a serious threat to highway construction and safe operation.Also it's a main kind of subgrade diseases of the expressway constructed in covered type karst area.This paper analyzes the causes of soil caves found in process of Guiyang highway construction in Guangxi.On the basis of comprehensive survey on soil caves characteristics and distribution,the principles of treatment are proposed for different sizes soil caves.According to these principles corresponding measures are taken to solve these problems.