对岩溶矿山防治水的新认识

The Waterproof New Knowledge to Karst Mine

作者在长期矿山防水实践中发现，奥陶系灰岩并非都是同一的含水层，特别是奥陶系灰岩经热变质，其含水性具有上强下弱的特征，并对此类矿山采取“不疏干”或“局部疏干”的防治水方法获得了成功。

In tbe long term of mine waterproof practice,the author has bound that the limestone of ordovician system is not complete possession of same water-bearing s tratum.Specially limestone of ordovician systeln undergone bot metamorphic,the water-bearing property makes a feature of upper strongness and lower weakness. The waterproof methods of non-drainage or local drninage bave achieved success for this mine.