水下钻孔爆破是工程爆破的重要组成部分。
The underwater drilling blasting engineering is a importance part of the engineering blasting.
文摘:介绍在南海西樵码头港池钻孔爆破工程施工的情况。
Abstract: the paper presents the case of borehole explosion project in XIQiao dock in Nanhai city executed by Wuzhou Navigation Affairs Engineering Department.
文章通过分析现有浅水钻孔爆破的现状,对处理浅水间断面水下爆破技术进行了研究。
In this paper, the technique of drilling and blasting dealing with the disconnected side under shallow water is studied.
利用钻孔爆破方法和公路运输的便利条件在山区公路两侧植树造林,能够大大提高大规模造林的效率。
Using drilling-and-blasting method and convenient highway transportation for afforestation on two sides of highway in mountain area, the efficiency of large-scale afforestation can be greatly raised.
文章介绍了一种简易的水下钻孔爆破施工平台及实用的移船定位方法,改进了传统的药包加工及装填工艺。
A simple working platform for underwater drilling blast and the practical method to removing and orientating the ship are introduced in the paper.
该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。
Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites.
全断面钻爆法适用于围岩坚固稳定,采用钻孔爆破方法将洞室开挖断面一次性开挖成型的地下建筑工程洞室开挖掘进方法。
The whole section explosion method which is the one for underground construction digging, suitable for stable and strong dam, form a section for one time by drilling explosion.
该地区不可预知的地质环境和火山岩结构迫使工程师放弃使用钻孔机,而是通过爆破在津轻海峡挖掘出一条通道。
Theregion's unpredictable geology and its volcanic rock prevented engineers from using boring machines, forcing them to blast and dig their way under the Tsugaru Strait.
他们受雇于采矿,采石和建筑公司,也受雇于钻孔和爆破承包商。
They are employed by mining, quarrying and construction companies and by drilling and blasting contractors.
露天采矿遵循与地下采矿相同的作业顺序:钻孔、爆破、装载并运走废料和矿石。
Open-pit mining follows the same sequence of operations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序:钻孔、爆破、装载并运走废料和矿石。
Open-pit mining follows the same sequence of oprations as underground mining: drilling, blasting, and loading and removing waste and ore.
该设备也可作为打桩船、地质勘探船、爆破挤淤装药船、钻孔船等使用,适用于多种水下基础施工工程。
The equipment is suitable for various underwater projects and can also be used as pile-driving ship, geology survey ship, charge ship for mud extrusion by explosion, drilling ship, and etc.
原始的有120米高的花岗岩小岛被钻孔或是爆破直径成不大于两米的大石头。
The original granite island which had hills up to 120 meters high was drilled and blasted into boulders no bigger than two meters in diameter.
钻孔质量的好坏,直接关系到爆破效果的优劣。
The quality of borehole directly influences the effect of blasting.
行走速度太慢,钻孔移位慢,钻孔后撤离爆破现场的动作也慢,影响整个工程的进度。
But too slow travel speed is directly related to slow drilling displacement and slow evacuation from the explosion site after drilling, which will influence the overall project's schedule.
本文阐述了露天深孔爆破的钻孔施工工艺,对露天爆破钻孔有参考和指导作用。
The essay expatiates the techniques of borehole in surface blasting, and instructs the construction of borehole in surface blasting.
一次钻孔分段爆破的新工艺已成功地应用到天井掘进和矿房、矿柱的回采方面。
A new technique of the long-hole blasting has been used in raising and prospecting of the rooms and the pillars.
采用矿用钻孔窥视仪并配合电磁辐射法和钻屑法对爆破进行了效果检验。
The blasting effect was checking using sight instrument, electromagnetic emission (EME) technique and drilling sludge methods.
在绢云母石英片岩中开挖隧洞,使用多臂钻造孔爆破,出现钻孔有规律的弯曲现象,影响了钻爆速度和成洞质量。
When we dig a tunnel in sericite quartz-schist with dobby drills, regular bending of the boreholes appears, which affects drilling speed and the borehole quality.
对于采场尤其是爆破钻孔积水严重的露天矿山,一般的爆破方法难以取得理想的爆破效果。
For mining pits, especially those open-pit mines where water accumulation is serious, it is difficult to achieve ideal blasting effect in blasting-drilling by general blast methods.
介绍爆破抛石回填区域钻孔灌注桩施工中遇到的技术难题,并提出相应的处理措施。对类似工程部位施工有一定的借鉴作用。
Technical thorny problems met during construction of cast-in-situ piles at riprap backfilling area and corresponding countermeasures are expounded to serve as a reference for similar engineering.
操作空气运作轨道,旋转,向下钻孔机或其他钻探机钻爆破洞或直接钻爆破洞。
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
换言之,矿物就是存在于地球上,但须经过挖掘、钻孔、换言之矿物就是存在于地球上但须经过挖掘、钻孔、人工爆破或类似作业才能获得的物质。或类似作业才能获得的物质。
In other words mineral substances which are found on earth must be extracted by digging, boring holes, artificial explosions, or similar operations which make them available to us.
本文介绍了在沉井上部搭台架设钻机,进行水下钻孔,孔内分层定向爆破技术。
This paper introduces a technique of erecting framework and rig at the upper part of the caisson, making underwater boring and oriented explosion by layers within the bore hole.
结合某矿突出实例,得知控制爆破和水力压裂的时空协同关系和钻孔的布置情况直接影响技术使用效果。
A case study of a mine points out that layout of the drillings and the time space impacts the effect of the technology.
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
钻孔者,爆破工?表层采矿,采石和建筑。
Drillers and Blasters? Surface Mining, Quarrying and Construction.
钻孔者,爆破工?表层采矿,采石和建筑。
Drillers and Blasters? Surface Mining, Quarrying and Construction.
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