建井技术
建井技術
건정기술
Mine Construction Technology
2015年
z2期
188-197
,共10页
盖挖法%棚洞%施工方案
蓋挖法%棚洞%施工方案
개알법%붕동%시공방안
cover-cut method%shed hole%construction scheme
云南全国G214线香格里拉—德钦二级公路，接布卡隧道原施工图设计为路基，但该段为地质灾害段，调整为棚洞施工。基于这段围岩条件，经反复研究论证，棚洞采用盖挖法施工工艺。该工艺在棚洞施工，确保了项目安全及工程质量，且工艺为国内领先。
雲南全國G214線香格裏拉—德欽二級公路，接佈卡隧道原施工圖設計為路基，但該段為地質災害段，調整為棚洞施工。基于這段圍巖條件，經反複研究論證，棚洞採用蓋挖法施工工藝。該工藝在棚洞施工，確保瞭項目安全及工程質量，且工藝為國內領先。
운남전국G214선향격리랍—덕흠이급공로，접포잡수도원시공도설계위로기，단해단위지질재해단，조정위붕동시공。기우저단위암조건，경반복연구론증，붕동채용개알법시공공예。해공예재붕동시공，학보료항목안전급공정질량，차공예위국내령선。
Due to the geological disasters ,the construction scheme of Jiebuka tunnel is changed to shed hole ,which is in the second‐class highway that shangri‐la to politician of G214 in Yunnan.Based on the conditions of surrounding rock ,after repeated research ,the cover‐cut method is used in shed hole exca‐vation ,w hich ensure the project safety and engineering quality ,and the process for the leading domes‐tic.
