小矿房、小矿柱的房柱法。
针对陕北干旱缺水的实际,分析了房柱式保水开采的设计原则。
Aiming at the problem of drought and water shortage in north Shaanxi, we analyzed principles for designing room and pillar water-preserved mining method.
人工柱锚杆房柱法是一种有前途的开采中厚缓倾斜锰矿床的采矿方法。
Bolting manual pillar and room method is a good future method of mining Mn ore body of medium thickness and small pitch.
将房柱式开采和膏体充填开采的优点相融合,提出了点柱式膏体充填采煤方法。
We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
通过理论分析和现场实测,对房柱式采煤的矿压显现规律及其特点进行了探讨。
Based on field observations and theoretical analyses, the characteristic of periodic caving of immediate roof and main roof in a room and pillar system was analyzed.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
以“梁”的理论为依据,确定房柱式采煤法的基本结构煤房和煤柱的参数及计算公式。
On the theory of "beam", the basic structure, parameters and formula for rooms & pillars have been educed.
本文探讨了影响煤柱稳定性的因素,提出了采用锚杆支护加固煤柱减小煤柱尺寸提高房柱式采煤回采率的技术途径。
The factors affecting coal pillar stability are discussed, and the technical way reducing coal pillar size and enhancing recovery ratio is put forward by means of rock bolting.
在实测资料统计分析基础上,建立了高陡山区房柱法地下开采岩体移动变形预测分析模型,并给出了岩体变形破坏的极限值。
The theoretical formulas are developed and applied to the prediction of the rock mass displacements and deformations due to underground mining by pillar-and-room method in mountain areas.
本文研究对减小煤柱尺寸,提高房柱式采煤回采率具有明显的理论指导意义,对解决我国生产矿区面临的不规则区段煤层开采问题具有实际意义。
These studies have evident theoretical significance to decrease coal pillar size and enhance recovery ratio, and practical importance to solve the problems of irregular seam mining in our country.
每间房设有附柱的露台,让你在逗留其间享受城市全景或河景。
Each comes with a colonnaded balcony to enjoy panoramic city or river views throughout your stay.
先房后柱的上向分层胶结充填法在我国应用较为广泛,但矿柱后期回采条件较差。
The practice cf mining room first and then pillars by overhand cut and cemented fill is widely used in China, but the condition for pillars recovery in later period is normally worse.
柱:柱在普通的单元套房里比较少见,而在一些框架结构的套房和别墅房中多能见到。
Column: seldom to be seen in common house, but exist in some suite and villa building.
地幔柱产生大面积软流圈上涌,沿深断裂形成岩浆房,导致大规模溢流玄武岩裂隙式喷发。
Mantle plumes induced asthenosphere upwelling and development of magma Chambers along deep-sited faults, and thus resulted in fracture eruption of flood basalts on large scale.
雪松柱支撑花旗松头木材,跨越了仪式房和餐厅。
Cedar columns support Douglas fir header logs that span across the ceremony and dining rooms.
要稳定健身房上的浮动屋顶和使天窗窗口的作用最大化,钢柱被特别地设计成能比通常提供更侧向支撑的形式。
To stabilize the floating roof over the gymnasium and to maximize the effect of the clerestory windows, steel columns were specially designed to provide more lateral bracing than usual.
要稳定健身房上的浮动屋顶和使天窗窗口的作用最大化,钢柱被特别地设计成能比通常提供更侧向支撑的形式。
To stabilize the floating roof over the gymnasium and to maximize the effect of the clerestory windows, steel columns were specially designed to provide more lateral bracing than usual.
应用推荐