• The deformation of mining roadway which caused by the mining is produced mainly by the abutment pressure.

    回采引起巷道变形中,回采引起支承压力主要因素。

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  • The result shows that there are two stress peaks in the abutment pressure and its magnitude and location are affected by the mining.

    得出了超前支承压力存在两个峰值峰值大小位置煤层采动影响的变化规律。

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  • On the basis of model's results, effects in top-coal smash, and changes of peak value of abutment pressure within mining range are analyzed.

    根据模拟结果分析了开采范围支承压力峰值变化顶煤破碎的影响

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  • Ranges of fractured strata and high stress distribution of abutment pressure are all depend on the degree of mining disturbance on stope strata.

    动围岩破裂范围支承压力应力分布范围取决于开采岩层扰动程度

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  • Accordingly, the distribution of abutment pressure on the block coal pillar is measured at working face with a steeply inclined seam of the12010 face, NO.

    据此原理,实测得到平煤集团十三矿12010大倾角综放开采工作面走向支承压力区段煤柱侧向支承压力分布

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  • The result indicated That the abutment pressure distribution form was similar to that of slicing mining method but its magnitude and affecting range changed.

    结果表明,放顶煤采煤支承压力分布形式分层开采类似量值影响范围上有增减。

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  • Based on in situ measurement with sub-level caving mining, the characteristics of top-coal deformation and top-coal deformation vs abutment pressure are mainly discussed.

    顶煤开采现场实测为基础,着重探讨了顶煤变形特征、顶煤变形与支承压力的关系;

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  • Based on field measurement, the authors describe zone of influence of abutment pressure, rules of its change, loosening of the surrounding rock and the stability of roadways.

    本文现场量测为依据,论述了岩石巷道锚喷支护受采动影响时,移动支承压力的影响范围变化规律、围岩松动以及巷道稳定性等。

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  • The high abutment pressure on the integrated coal beside the roadway is one of the reasons to lead to floor heave and affect the stability of the roadway driving along next goaf.

    实体支承压力影响沿空掘巷稳定性主要原因之一

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  • The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.

    分层开采与综放开采工作面滞后支承压力变化规律是,随着采高增大,工作面滞后支承力距离加大,垂直应力集中系数差别不大。

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  • The results show that the abutment pressure distribution on coal pillar is the direct reflection of abutment stress induced by mining on the interfaces of coal seam and immediate roof.

    研究结果表明煤柱支承压力分布开采影响岩层相互作用结果,是开采引起集中应力煤层直接界面直接反映

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  • The differences between the coal drawing face and non-coal drawing face are low stowing factor in the goaf, vigorous movement of roof, and high stress peak abutment pressure along the strike.

    顶煤工作面非放顶煤工作面的区别采空区充填系数顶板岩层运动剧烈走向方向超前支承应力峰值较大。

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  • Field practice shows that the method of making loose blasting deeply in the area of the mining abutment pressure can control the entry floor heave effectively and meet the need of the production.

    现场实践表明采用底板支承压力进行深部松动爆破有效控制回采巷道底鼓,满足生产需要

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  • Bridge support is a force transfer device installed at support of bridge structure with pier (or abutment). It is a kind of the structural parts that can bear high pressure.

    桥梁支座桥梁结构桥墩(桥台)支承处所设的装置,是一种承受压力结构部件

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  • The results of field test indicate that the earth pressure of abutment, different from linear distribution of Coulomb's, acts as parabolic type.

    现场测试结果表明,台背压力大致呈“抛物线分布与库仑土压力理论线性分布不同

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  • This paper analyzes the mechanism of the deep layer 'pressure water 'in the hill of the major dam abutment of Shenzhen reservoir and discusses the phenomenon of' pressure water '.

    本文深圳水库主坝坝头小山包所出现深层承压现象机理进行了分析“承压水”现象作一些探讨

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  • By analyses, a simplified calculation method of active earth pressure on back of abutment UN der earthquake condition has been put forward. Calculating results prove the reasonable of this method.

    通过分析,本文提出了地震条件下桥台台背主动压力简化计算方法计算结果表明了这一公式合理性

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  • The non-abutment slant-legged rigid frame bridge is similar to mansard arch bridge, the soil pressure of the diagonal rod at both ends of bridge forms a couple of arch thrust.

    桥台腿刚架桥一种新的桥型,因其适用、经济、美观等方面独特优势,近几年工程领域中已有较为广泛的应用,但理论研究相对滞后。

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  • The non-abutment slant-legged rigid frame bridge is similar to mansard arch bridge, the soil pressure of the diagonal rod at both ends of bridge forms a couple of arch thrust.

    桥台腿刚架桥一种新的桥型,因其适用、经济、美观等方面独特优势,近几年工程领域中已有较为广泛的应用,但理论研究相对滞后。

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