The application of digital D.C.controller in the lifting electric-controlled system of blind shaft of gold mine;
数字直流控制器在黄金矿山盲竖井提升电控系统中的应用
The most of shaft wells of TGP s permanent shiplock characterize as large section, shaft well group, double steel bar, and large amount of accurately embedded metal structure and especially for the lower shiplock chamber section, the structure is complicated and the steel bar is dense.
三峡水利枢纽永久船闸竖井多为大断面、多井群组合结构,且为双层钢筋,又有大量高精度要求的金结埋件,尤其是下部闸室段结构复杂,钢筋密集,因此工作量大,施工干扰大,施工难度大。
The outfall pressure shaft well in the third-step pumping station of main canal of Wanjiazhai Huanghe Water Transfer Project in Shanxi Province is lined with reinforced concrete and constructed by using hydraulic climbing form.
山西省万家寨引黄工程总干三级泵站出水压力竖井为钢筋混凝土衬砌 ,采用了液压滑升模板施工 ,节省了多次立模和拆模工序 ,加快了施工进度。
In order to protect the cast concrete at the shaft well section of the power tunnel against corrosion by several strong corrosive mediums,a protection project at the outer sidewall of the shaft well is needed.
“6 35”水利枢纽已浇筑的发电洞竖井混凝土受到多种强腐蚀介质的侵蚀影响 ,需在竖井外壁进行加强性工程防腐处理 。
Application of gyroscope in the directional silo measure;
陀螺仪在竖井定向测量的应用
Numerical Simulation of Fan Influence in Long and Large Road Double-silo Tunnel Intake and Exhaust Ventilation Mode;
长距离大直径公路隧道双竖井送排式通风中风机影响的数值模拟
The Protection Methods and Construction Techniques for Under Drain and Silo of Karez;
坎儿井暗渠和竖井防护措施及施工技术
Blasting vibration control for rock excavation of vertical shaft of south station hall in Guangzhou east railway station;
广州地铁东站南站厅竖井石方爆破震动控制
Excavation construction technology of Yanmenguan 2# vertical shaft;
雁门关2号竖井开挖施工技术
Construction scheme optimization of vertical shaft in metro construction;
浅谈地铁竖井施工技术方案的优化
Using the basic design theory of vertical well and summing up with the experiences in several vertical well constructions in tunnel engineering, the paper puts forward a calculation method for the lateral pressure of vertical well in the loess area.
通过对汉村隧洞、富平王寮隧洞等多项工程5个施工竖井设计的分析总结,根据竖井设计的基本理论,给出了黄土区施工竖井周围压力的计算方法。
In this article, authors firstly introduce the design and construction of these vertical wells, analyze reasons of their sedimentation from such aspects as dimensions, practical construction situations, and soil features and so on, and finally state several sedimentation treatment measures adopted in construction.
介绍了竖井的设计及施工方法,然后从尺寸大小、实际施工工况以及土层性质等几方面分析了沉降的原因,最后介绍了工程中所采用的几项沉降治理措施,并结合实测沉降数据分析了各项措施的应用效果。
Then the requirement of similar speed field is deduced and the subsectional model experiment is put forward on the basis of the peculiarity of pressure distribution in continuous state vertical well.
以相似理论为基础,对城市隧道自然通风速度场进行分析,建立了城市隧道自然通风速度场相似的数学模型,推导出模型与原型速度场相似的条件;以连续竖井的静压分布特性为基础,提出分段模型实验;对实际城市隧道自然通风效果进行了评价,对竖井型城市隧道自然通风具有一定的理论和工程指导意义。
This paper briefly intro-duced the practice of longhole blast shaft-formirg method for blind shaft sinking in Tongshan Copper Mine.
本文简要介绍了深孔爆破成井法在铜山铜矿盲竖井掘进中的实践。
The shaft of a mine.
竖坑矿的矿井或竖井
shaft-sinking [caisson works]
打／挖竖井〔沉箱工程〕
multi-level outlet shaft spillway
多层进水竖井式溢洪道
Tsiu Keng Shaft Raw Water Irrigation Pump House
蕉径竖井原水灌溉泵房
Cheung Sha Shaft Raw Water Pumping Statio
长沙竖井原水抽水站
Study on Vertical Structural Stability of a Super-deep Drilled Shaft in Slurry
泥浆中超深钻井井壁竖向稳定性分析
Lining Slipform Construction Technology of Sending and Exhausting Single-shaft
单井送排风式竖井衬砌滑模施工技术
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。
drilling there would be strictly a wildcat operation; a wildcat mine; wildcat drilling; wildcat wells.
在这里钻井会是完全盲目的行动；盲目钻探的矿井；盲目钻探；盲目钻探的油井。
Flooding of three vertical shafts trapped the miners as they changed shifts.
三个竖井发生透水，把正在换班的工人困在井下。
The 3# Ventilation Shaft back well method Construction Technology of Qinling Zhongnanshan Highway Tunnel
秦岭终南山公路隧道3#竖井反井法施工技术
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
Frozen method applied in excavation of vertical shaft of iron ore mine
冻结法凿井技术在铁矿山竖井中的应用
Research on the preliminary thickness design of shaft lining in porous rock aquifer
孔隙型含水基岩段竖井井壁厚度拟订设计研究
Anti-well construction technique of 3# shaft of Zhongnanshan road tunnel in Qinling
秦岭终南山公路隧道3号竖井反井法施工技术
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
THE COAL BED METHANE PRODUCTION IN VERTICAL FRACTURING WELLS AND MULTIPLE LATERAL HORIZONTAL WELLS
煤层气竖直压裂井与多分支水平井生产特征