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A platform for research: civil engineering, architecture and urbanism
Coal pillar retaining form and anchor cable reinforcement scheme collaborative optimization method
The invention relates to the technical field of open pit coal mine mining, and discloses a coal pillar retaining form and anchor cable reinforcement scheme collaborative optimization method, which comprises the following steps of: obtaining form parameters and lithology parameters of a slope under the action of coal pillar retaining in a stable state, establishing a slope numerical simulation model, importing the slope numerical simulation model into Flac3D software, and carrying out numerical simulation calculation to obtain a stability coefficient Fs1; regarding as a safety reserve coefficient; designing n length schemes smaller than the length of a flat plate at the top of a raw coal column, and selecting simulation parameters and reinforcement parameters of anchor cable reinforcement; under different anchor cable reinforcement schemes, numerical simulation calculation is carried out to obtain a plurality of stability calculation results Fs2, within the effective anchoring range, the Fs2 is compared with the Fs1, the anchor cable reinforcement schemes are adjusted, and the optimal anchor cable reinforcement scheme is obtained by combining economic benefits. According to the method, the synergistic effect of anchor cable reinforcement and the coal pillar retaining effect is considered, and a slope anchor cable reinforcement scheme meeting the conditions is guided to be designed under the condition that coal resources are mined to the maximum extent.
本发明涉及露天煤矿开采技术领域，公开一种煤柱支挡形态与锚索加固方案协同优化方法，包括：获取稳定状态的煤柱支挡作用下边坡的形态参数与岩性参数，并建立边坡数值模拟模型，导入到Flac3D软件中，进行数值模拟计算，得到稳定性系数Fs1，视为安全储备系数；设计n个小于原煤柱顶部平盘长度的长度方案，选取锚索加固的模拟参数及加固参数；在不同的锚索加固方案下，进行数值模拟计算，得到多个稳定性计算结果Fs2，在有效锚固范围内，将Fs2与Fs1进行比较，调整锚索加固方案，并结合经济效益，得到最优的锚索加固方案。本发明考虑锚索加固和煤柱支挡效应的协同作用，在最大化回采煤炭资源的条件下指导设计满足条件的边坡锚索加固方案。
Coal pillar retaining form and anchor cable reinforcement scheme collaborative optimization method
The invention relates to the technical field of open pit coal mine mining, and discloses a coal pillar retaining form and anchor cable reinforcement scheme collaborative optimization method, which comprises the following steps of: obtaining form parameters and lithology parameters of a slope under the action of coal pillar retaining in a stable state, establishing a slope numerical simulation model, importing the slope numerical simulation model into Flac3D software, and carrying out numerical simulation calculation to obtain a stability coefficient Fs1; regarding as a safety reserve coefficient; designing n length schemes smaller than the length of a flat plate at the top of a raw coal column, and selecting simulation parameters and reinforcement parameters of anchor cable reinforcement; under different anchor cable reinforcement schemes, numerical simulation calculation is carried out to obtain a plurality of stability calculation results Fs2, within the effective anchoring range, the Fs2 is compared with the Fs1, the anchor cable reinforcement schemes are adjusted, and the optimal anchor cable reinforcement scheme is obtained by combining economic benefits. According to the method, the synergistic effect of anchor cable reinforcement and the coal pillar retaining effect is considered, and a slope anchor cable reinforcement scheme meeting the conditions is guided to be designed under the condition that coal resources are mined to the maximum extent.
本发明涉及露天煤矿开采技术领域，公开一种煤柱支挡形态与锚索加固方案协同优化方法，包括：获取稳定状态的煤柱支挡作用下边坡的形态参数与岩性参数，并建立边坡数值模拟模型，导入到Flac3D软件中，进行数值模拟计算，得到稳定性系数Fs1，视为安全储备系数；设计n个小于原煤柱顶部平盘长度的长度方案，选取锚索加固的模拟参数及加固参数；在不同的锚索加固方案下，进行数值模拟计算，得到多个稳定性计算结果Fs2，在有效锚固范围内，将Fs2与Fs1进行比较，调整锚索加固方案，并结合经济效益，得到最优的锚索加固方案。本发明考虑锚索加固和煤柱支挡效应的协同作用，在最大化回采煤炭资源的条件下指导设计满足条件的边坡锚索加固方案。
Coal pillar retaining form and anchor cable reinforcement scheme collaborative optimization method
一种煤柱支挡形态与锚索加固方案协同优化方法
LI YINGJUN (author) / WANG SHOUGONG (author) / LI GUANGHE (author) / WANG YANTING (author) / WANG DONG (author) / JIANG ZHONGYU (author) / WANG PUYI (author) / TAO ZHIGANG (author) / KONG LINGWEI (author) / LIU YAN (author)
2024-11-01
Patent
Electronic Resource
Chinese
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