对沿空掘巷时煤柱的留设问题进行了分析和计算。
This paper analyzed and calculated width of coal pillar for driving roadway along gob.
详细分析了条带煤柱复采时沿空掘巷的支护特点。
The supporting characteristics of roadways driving along next goaf in repeated mining of strip pillar were analyzed.
实体煤帮的高支承压力是影响沿空掘巷稳定性的主要原因之一。
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.
研究表明,采空区压实稳定是改善沿空掘巷维护状况的先决条件。
The results show that the gob entry driving stabled is the first importart condition on improvingmaintain of the gob entry driving.
研究表明,采空区压实稳定是改善沿空掘巷维护状况的先决条件。
The results show that the gob entry driving stability is the first important conditions on improving maintain of the gob entry driving.
采取完全沿空掘巷方法,则是一种安全施工减少资源流失的有效措施。
It is a waste to the coal resources, Tunnelling along goaf is an effective measure of safe construction and reducing lose.
在分析综放沿空掘巷底板力学环境的基础上,建立了底板力学分析模型。
On the basis of analyzing mechanical situation of floor strata of roadway driving along goaf in fully mechanized sub level caving face, a mechanical model was established.
现场工业性试验表明,沿空掘巷巷道变形大、破坏严重的现状得以改善。
Industrial field tests have shown that the status quo of large deformation and severe damage of the roadway in the gob-side entry driving has been improved.
采用锚杆、锚索支护系统成功地维护了综放沿空掘巷,保证了综放面顺利回采。
The gob-side entry driving in the fully-mechanized coal winning face can be protected successfully by using the anchored cable and rod supporting system.
提出确定沿空掘巷合理煤柱宽度时,不仅需考虑掘巷扰动影响,还应将本工作面的超前采动影响作为一个重要影响因素。
The opinion was put forward that the infection of roadway driving and coal mining need considered simultaneously when determination the reasonable width for coal pillar.
同时通过实测与模型计算相结合,验算了区段煤柱留设尺寸的合理性,并在此基础上探讨了沿空掘巷无煤柱开采的可行性。
Combined with field tests and numerical simulation, the size of section pillar is proved to be reasonable and the feasibility of driving without section pillar is also studied.
同时通过实测与模型计算相结合,验算了区段煤柱留设尺寸的合理性,并在此基础上探讨了沿空掘巷无煤柱开采的可行性。
Combined with field tests and numerical simulation, the size of section pillar is proved to be reasonable and the feasibility of driving without section pillar is also studied.
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