Wide span underground chamber excavation and primary supportin intensely weathered rocks;
强风化岩中大跨度硐室开挖与初期支护
Influence of construction machinery eccentric load on stability of trench excavation;
建筑机械偏心荷载对开挖过程中沟槽稳定性的影响研究
Application of the NATM construction in the Beidoupo tunnel excavation and support;
新奥法施工在北斗坡隧道开挖支护中的应用
When road route passes low-lying or pond,it is often needed to dig or fill in silt.
当道路施工经过水塘及低洼地带时,常需要在淤泥中进行开挖及填筑,由于淤泥的流动性,使得在淤泥中施工难度非常大。
4 tunnel in the 51st bidding section of Xihan Superhighway, and in the light of the features of the tunnel under the weak geological condition, this paper puts forward corresponding pre-controlled construction scheme, which includes the excavating and supporting, monitoring and measuring, and the construction of big arch springing and temporary inverted arch, etc.
通过对西汉高速公路51标段酉水3号、4号隧道的施工,针对软弱地质隧道水平收敛大、拱顶下沉快的特点,提出了相应的预控施工方案,包括开挖和支护、监控量测、大拱脚和临时仰拱的施工等。
Combining Guangzhou s east section Longtoushan tunnel construction of Jingzhu main national line,it put emphasis on introducing double side drift method by tunnel excavating and its advance supporting and initial supporting can provide the reference to similar engineering construction.
结合京珠国道主干线广州东段龙头山隧道施工,重点介绍隧道开挖采用的双侧壁导坑法、超前支护以及初期支护,可供类似工程施工参考。
Constructive monitor in digging process of deep basic pit of city subway;
城市地铁深基坑开挖过程中的施工监测
In this paper, the blasting program, detailed design and practical effectiveness of digging a basic chamfer of the floor tower by controlled blasting are introduced and the conclusions of the design essentials and problems which must be mentioned in this kind of controlled blasting for chamfer digging are drawn.
文章介绍了采用控制爆破开挖落地塔基槽的爆破方案、详细设计以及实际爆破效果 ,并对这类控制爆破开挖工程的设计要点和一些应该注意的问题进行了总
The excavated span of the underground workshop for the electrical source and supplies power for the Three Gorges of the Yangtse River project is 14 metres.
长江三峡电源电站工程地下厂房开挖跨度14 m,总长度60 m,总高度46。
By the Finite Element Method,this paper compared the stress concentration and the deformation of two schemes when excavated.
通过有限元计算,比较分析两方案在开挖后的应力集中及变形情况,计算结果表明方案一地下厂房无论是开挖后的应力集中还是变形均大于方案二,因此,方案二优于方案一,为方案的最终选择提供了依据。