系留柱 Hitching Post ; dead-end pole ; mooring post
赤柱拘留营 Stanley Internment Camp
残留煤柱 pillar residue ; residual pillar ; abandonedcoalpillar
李记李留柱 li ji li liuzhu
留矿柱的采矿 pillar mining
留大煤柱开采法 [矿业] long-pillar working
柱保留 column hold-up
圆柱形系留气球 exiansausage balloon
残留矿柱 [矿业] remnant pillar ; Relic Pillar
滞留间隙管柱 retention gap column
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.
研究表明，综放沿空留巷受采场矿压影响时间和程度随留巷煤柱宽度的增加表现出明显滞后现象以及位移和压力增长的不同步现象。
The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous.
根据七台河矿区具体情况，对各种条件下的防水煤岩柱的留设原则及计算方法进行论述。
Based on the state of Qitaihe mine area, approaches the set rules and calculation methods of water_proof pillar at different conditions.
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