郑州矿区水害特征及成因分析

Analysis on character and cause of water disaster in zhengzou mining area

在郑州矿区二十一次典型突水案例中,有十四次是二1煤底板C3灰岩水和O2灰岩水所致,另有六次为老窑水所致,一次是洪水灌入造成淹井。经综合分析,可看出矿区的水害主要来自C3、O2灰岩水。按突水水源分类,在二十一次突水案例中有顶板裂隙水害、底板薄层灰岩水害、底板奥灰—寒灰水害、老窑水害和地表水害;根据突水通道分类,有破碎带水害、滑动构造水害、采动裂隙带水害、人为通道水害等。根据郑州矿区水害的类型,总结提出了四种水害发生原因,有针对性地提出了不同水害的防治技术。

there are 14 ts submersions because of C_3 and O_2 limestone water, and 6 ts submersions because of gob water, and 1 time submersions because of flood based on 21 type submersions. It is obvious the main water come from C_3 and O_2 limestone water. There are several kinds of waterdisaster based on water source classification,such as water uisaster from crackszones inroof,from thin limestone under floor,from Ordovician and cambriian limestone under floor.from gob,as well as from surface water. There are fractured zone water disaster, glide fracture water disaster, mining cranny water disaster, man-made channels water disaster based on flood water channel classification. There are 4 sorts cause of submersions put forward.