Grouting is an important method to reinforce soft coal roadway,and the presence of primary cracks in the coal body has a......

针对云南病害水库土坝坝体多属粘性土坝的特点，分析了采用劈裂式灌浆方法在坝体中建立防渗帷幕的机理，并提出相应的施工工艺。......