1) enlargement of excavation
扩大开挖
2) expanded open cutting
扩大明挖
1.
With the Wuhan Pivotal Jiangan Mega Bridge of the He-Wu Railway as a practical example, the technique of expanded open cutting in combination with steel plate cofferdam for extra-deep foundation pits is presented in the paper, with the design of the steel plate inclosing structure theoretically analyzed to ensure the construction safety of the excavation of extra-deep foundation pits.
结合合武铁路武汉枢纽江岸特大桥实例,介绍扩大明挖与钢板桩围堰相结合的超深基坑开挖施工技术,并对钢板桩围护结构的设计进行理论分析,以确保超深基坑开挖施工安全,为类似工程提供有益借鉴。
3) heavy excavation
大开挖
1.
According to the construction of recycle water diversion pipeline in the section through the Fenhe the foundation trench heavy excavation technology and horizontal directional drilling technology are decided to adopt.
介绍了太化集团公司回用水引水管线过汾河段拟采用的基槽大开挖技术以及水平定向钻穿越技术 ,通过对这两种方法进行技术、经济比较 ,得出该段采用水平定向钻穿越技术施工更为经济、合理的结论 ,在实际施工中亦得到了充分证明。
4) bulk excavation
大量开挖
5) large excavation
大开挖
1.
Application of the large excavation and composite soil-nailed wall on special deep foundation pit
大开挖加复合土钉墙在特殊深基坑中的应用
2.
According to conditions of the project,foundation excavation is supported with cement mixing piles locally,excavated with large excavation method,and dewatered with tube wells.
结合工程实际,采用水泥搅拌桩局部支护与大开挖相结合的方案,并采用疏干管井降水。
6) excavation of big chamber
大硐室开挖
1.
This paper introduces the application of grouting stabilization in the excavation of big chamber within the fracture zone and the obtained results.
注浆加固与锚杆支护技术相结合,可以提高围岩承载能力,减少巷道变形,确保大硐室开挖中的支护安全、有效。
补充资料：扩大
使（范围、规模等）比原来大：～生产ㄧ～战果ㄧ～眼界ㄧ～影响ㄧ～耕地面积。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条