To learn from experience of three blocking accidents in controlled blasting of the shaft mouth of a limestone mine, the fourth controlled blasting was carried out by using MS delay crashing blasting method with small diameter hole, small hole spacing, small burden and in hole decked charging.
针对某处石灰石矿竖井口前三次控制爆破曾发生堵井事故 ,第四次井口控制爆破采用小孔径、小孔距、小抵抗线、孔内分段间隔装药、孔间毫秒微差挤压爆破方案 ,成功地完成了竖井口控制爆破工
At present, the pumped storage plant with lateral pipe intake is applied more expansively than that with vertical pipe intake.
针对已进行过物理模型试验的西龙池竖井式进水口体型(试验体型),利用三维k-ε紊流数学模型,进行了典型发电工况下进水口的数值模拟,分析比较了进水口的水头损失、各孔口的流量分配以及流速分布特点等水力特性,表明所建数值模型合理、可靠。
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
Study on Hydraulic Characteristics of the Vertical Pipe Intake of Pumped Storage Plants
抽水蓄能电站竖井式进水口水力特性研究
Numerical Simulation on the Vertical Pipe intake of Pumped Storage Plants;
抽水蓄能电站竖井式进/出水口数值模拟
multi-level outlet shaft spillway
多层进水竖井式溢洪道
Study on the Hydraulic Characteristics of Vertical Pipe Intake with Plate of the Pumped Storage Plant;
抽水蓄能电站盖板竖井式进/出水口水力特性研究
Shape Optimization of Vertical Pipe Inlet/Outlet and Research of Y-type Tube in Pumped-Storage Plant;
抽水蓄能电站竖井式进/出水口体型优化与“卜”型岔管研究
Experimental Research on the Inlet of Shaft Spillway in Lower Reservoir of the Pumped Storage Power Stations in Qingyuan
清远抽蓄电站竖井泄洪洞进口试验研究
Optimized model of air supply outlet angle in highway tunnel blowing and exhausting longitudinal ventilation system
公路隧道竖井送排式通风送风口角度优化模型
EXPERIMENTAL STUDY ON SHAFT SPILLWAY HYDRAULIC CHARACTERISTICS OF DA SHI MEN HYDROPOWER
大石门水电站竖井式溢洪道水力特性试验研究
Model similarity laws of gas-liquid mixed flow in horizontal swirling flow tunnels with vertical shaft
竖井式水平旋流洞含气水流模型相似律
Numerical Simulation of Level Swirling Flow of Inner Energy Dissipation Discharge Tunnel with Shaft Inlet
竖井进流水平旋转内消能泄洪洞的数值模拟
Cheung Sha Shaft Raw Water Pumping Statio
长沙竖井原水抽水站
Study on Hydraulic Characteristic and Optimum Design of Pit Tubular Pump System
竖井式贯流泵装置水力特性及优化设计研究
Tsiu Keng Shaft Raw Water Irrigation Pump House
蕉径竖井原水灌溉泵房
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
Model Test and Numerical Simulation for Swirling Flow of Inner Dissipator with Shaft Inlet;
竖井进流水平旋转内消能泄洪洞试验研究与数值模拟
Stress and Strain Analysis on the Spillway Silo Prestressed Pier of Lidi Hydropower Station
里底水电站溢洪道竖井式预应力闸墩应力及应变分析
Study on the Hydraulic Characteristic for Constructing Diversion Tunnels of High Dam Transformed into Spillway Tunnels in a Type of Rotating Flow Shaft
高坝施工导流洞改建为旋流竖井式泄洪洞的水力特性研究
The paper introduces a practical method of repairing mine shaft developed during the repairing of shaft in Shuikoushan lead and zinc mine.
介绍了水口山铅锌矿在竖井井筒大修中摸索出的一种切实可行的大修方法