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在大片连续多年冻土区的沼泽地带,进行大面积土方剥离,历来被认为是土方施工之大忌,国内外少见此类施工先例。1987年3月,我们对处于这种恶劣地质条件下的大兴安岭林区霍拉盆煤田二采区进行了采掘、剥离。霍拉盆煤田,位于东经122°,北纬53°
In a large area of continuous permafrost swamp, the large-scale earthwork stripping has always been regarded as taboo earthwork construction, rare examples of such construction at home and abroad. In March 1987, we conducted excavation and stripping of the second mining area of Hora Basin Coalfield in Daxinganling Forest Area under such harsh geological conditions. Hora Basin coal field, located in longitude 122 ° north latitude 53 °