deep adit

Study on the Adit Stability Under Dynamic Blasting Load;

爆破动载荷下平硐稳定性的研究

This paper introduces the method for directive generation of adit graphic files with the information from multiple sources acquired during tunnel construction using MAPGIS component technology.

利用MAPGIS组件技术,实现了将隧道施工中采集的多源种类数据信息直接生成MAPGIS支持的平硐图形文件,并且能将平硐的图形信息和隧道采集数据进行连接与同时管理的功能。

In combination with rock permeability in dam region of a hydroelectric plant,the paper introduces a method directly evaluating rock permeability coeffieient--adit sonic wave hole seepage test and gives test device,test procedure,estimate principle and result.

本文结合某水电站坝区岩体渗透性 ,介绍了一种直接求取岩体渗透系数的方法———平硐声波孔渗水试验 ,并给出了试验装置、试验步骤、计算原理和结

It was considered to be feasible applying natural draft ventilation in small mine applying adit devebopment in mountainous region , in particular environment .

并认为,山区平硐开拓的小矿山,在一定条件下,采用自然通风是可行的。

The Applications ofmechanizedAncillary Equipment in Adit Construction

机械化配套装备在平硐施工中的应用

Adit Sonic Wave Hole Seepage Test to Determine Rock Permeablity Coefficient

平硐声波孔渗水试验确定岩体渗透系数

Technical Analysis of Adit-pass at Zijinshan Open Pit

紫金山金矿露天采场平硐溜井技术分析

A Feasibility Study on Prolonging the Service Life of the 290 Level Adit in Nanfen Surface Mine

南芬露天矿延长290平硐服务年限的可行性研究

Research on Allowable Peak Particle Vibration Velocity for Transport Adit in Blasting in Open-Pit Mine

露天爆破运输平硐允许峰值质点振动速度的研究

The Auxiliary System Optimization and Rapid Construction Organization of the Inclined Shaft into Tunnel with Different Modes of Transport

斜井转平硐不同运输方式下的辅助系统优化与快速施工组织

Application of pumping concrete technology to construction of grouting adit for Tukahe Dam

泵送混凝土施工技术在土卡河大坝灌浆平硐中的应用

With the progress of the mining operation in Lanjian Iron Ore year on year the effect of blasting vibration on safety of adit is increasing.

随着兰尖铁矿采场水平逐年下降,爆破震动对平硐的安全影响日益突出。

To protect the adit pass and slope,the mass of engineering and technical personnel in Lanjian Iron Mine have explored the in-hole and between-holes microsecond blasting technology.

兰尖铁矿为保护平硐溜井和边坡,工程技术人员进行了孔内孔间微差爆破技术的探索。

The results indicate that the adit is stabile and the value of the given critical antivibration velocity of rock is a little low.

结果表明现爆破下平硐是稳定的,规范中给定的岩体极限抗震速度有些保守。

Study on application of distributed optical fiber technique to monitoring slope structure of geological adit for Jinping Hydropower Station I

分布式光纤技术在锦屏一级水电站地质平硐边坡监测中的应用研究

A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.

建造防水闸门硐室，进行水平、区上下组煤隔离，是预防水患普遍采用的方法。

Design and construction of two-door prevention water gate chamber with high pressure

高压双门硐防水闸门硐室设计与施工

Research on Effect of Pressure Relief for Chambers in Deeply Buried HJ Composite Soft Rocks with Pilot-tunneling Method

深埋HJ复合型软岩硐室导硐法让压效果研究

Experimental Research on Safety Protection of Chamber Blasting Charging in High-temperature Chamber

硐室爆破时高温硐室装药的安全防护试验研究

An ideal will never give up a dogged pursuer. So long as you do not stop pursuing, you will bathe in the glow of your ideal.

⒗硐氩慌灼?嘈淖非蟮娜耍?灰?煌Ｖ棺非螅?忝蔷突徙逶≡诶硐氲墓饣灾?小

Study of the Pilot Tunnel Drift Method Technology in Deeply Buried Large Cross Section Chambers of Composite Soft Rock

深埋复合型软岩大断面硐室导硐法施工及支护技术研究

Code for design of chambers around pit-bottom of coal mine

煤矿矿井井底车场硐室设计规范