The effective performance of grouting is an important keypoint for a successful shaft excavation.
地下水影响竖井开挖工作甚巨,竖井开挖成败除了地质因素外,有效之止水灌浆工作亦为主要关键。
The excavation speed of pilot shaft is one of the key difficulties for the excavation of shaft, high ones in special, of hydropower works.
水电工程竖井特别是高竖井开挖,主要难点体现在竖井导井开挖的速度上。
Vibration Measurement and Analysis on Control Blasting Technology for Shaft Excavation of the Reservoir Dam Area
水库坝区竖井开挖爆破技术及振动测试分析
Summarization on large diameter vertical shaft back well method excavation construction technology
关于大直径竖井反井法开挖施工技术概述
shaft-sinking [caisson works]
打／挖竖井〔沉箱工程〕
Application of Shallow Mining Method in Vertical Well Supporting of Shougang Moving Engineering
浅埋暗挖法在首钢搬迁工程竖井支护中的应用
The shaft of a mine.
竖坑矿的矿井或竖井
Shaft Liner Design of Development Shaft for Phase Ⅲ Project in Lancang Lead Mine
云南澜沧铅矿三期开拓竖井井筒的支护设计
Study of Influence to the Vertical Displacement of Tunnel at the Bottom of Excavation in Port Land;
陆域基坑开挖对地下管道竖向位移影响研究
The start shaft is an integral part of the clutch assembly.
开始竖井不可分割的一部分的离合器总成.
Application of inverse well drill will permit quick and safe excavation of pilot shaft.
应用反井钻机开挖导井可达到快速安全的效果。
Practice of using raise boring in excavation of guide hole for shaft with large angle of inclination
反井钻开挖大倾角斜井导孔的工程实践
Technique of tapping the potential of residual oil in casing damage wells based on side tracking
套损井开窗侧钻水平井挖潜剩余油技术
The application of light well dewatering in deep foundation excavation
轻型井点降水在深基坑开挖中的应用
ANALYSIS OF VERTICAL DISPLACEMENT AND INNER FORCES IN BURIED PIPELINES CAUSED BY METRO TUNNELING
地铁隧道开挖引起临近地下管线竖向位移及内力分析
Finite element analysis on mechanism of effect of extra-deep excavation on vertical load transfer and settlement of a single pile
超深开挖对单桩的竖向荷载传递及沉降的影响机理有限元分析
The application of engineering geology to specific adit digging at deep shaft
工程地质在深井中特殊硐室开挖中的应用
Excavation Design and Construction of Thin Wall Sinking Well As Foundation Pit Support on Soft Ground
软弱基坑薄壁沉井支护的开挖设计与施工
Application of precipitation by wellpoint to deep foundation construction of pumping station
井点降水在泵站工程基坑开挖施工中的应用