Flow conservation equation and pressure balance equation of double-shaft blow and exhaust ventilation model for highway tunnels are recommended on basis of hydrodynamics in the paper.
以流体力学为基础,建立了公路隧道双竖井送排式通风方式的流量平衡方程和压力平衡方程。
This paper introduces the structural characteristics,technical parameters and the type-selection of the devices for bifurcate silo tubular pump sets,such as the hydraulic models,gear cases,bearings and sealing,and motors,on the basis of type selection and study of bifurcate silo tubular pump sets in Huangmayong Pumping Station.
通过黄麻涌竖井双向贯流泵站机组结构的选型与研究,介绍了竖井双向贯流式机组的(水力模型、齿轮箱、轴承、密封、电动机等设备)的结构形式、技术参数及选型原则,阐述了竖井双向贯流式机组具有结构简单、安装维修方便、安全可靠、装置运行效率高的优点。
Water transportation and sand movement characters in the shaft double layer culvert are studied in this article.
试验研究了废黄河竖井双层涵洞输送水流和泥沙运动特性。
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
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
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。
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
In-situ measurement and analysis of freezing pressure of vertical shaft lining in deep alluvium
特厚冲积层竖井井壁冻结压力的实测与分析
access shaft [aviation fuel receiving facility]
进出竖井〔飞机燃料接收设施〕
It runs down a shaft to the seventh floor.
它沿一个竖井向下直通到第七层。
The air flows down to a shaft and thus loses potential energy.
空气向下进入竖井，因而失去势能。
