交通科技
交通科技
교통과기
TRANSPORTATION SCIENCE & TECHNOLOGY
2014年
5期
68-70
,共3页
岩溶地区%人工挖孔%冲击钻成孔%应用技术
巖溶地區%人工挖孔%遲擊鑽成孔%應用技術
암용지구%인공알공%충격찬성공%응용기술
karst area%manual hole digging%percussion drilling hole%application technology
以汝郴高速公路赤石特大桥主8号墩桩基施工为例，阐述了在岩溶发育地区的桥梁桩基施工中，人工挖孔不能满足正常施工需求时，改为机械冲孔施工的应用技术及施工效果。
以汝郴高速公路赤石特大橋主8號墩樁基施工為例，闡述瞭在巖溶髮育地區的橋樑樁基施工中，人工挖孔不能滿足正常施工需求時，改為機械遲孔施工的應用技術及施工效果。
이여침고속공로적석특대교주8호돈장기시공위례，천술료재암용발육지구적교량장기시공중，인공알공불능만족정상시공수구시，개위궤계충공시공적응용기술급시공효과。
In this paper,taking the 8# main pier foundation construction of Akaishi Bridge in Ruchen expressway as an example,the construction of bridge pile foundation in karst area is described.Be-cause manual hole digging can not meet the normal demand for construction,the technology of me-chanical punching construction has achieved very good results,and provides a safe and reliable method of construction.It can also provide remarkable benefit for the similar geological conditions.
