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在设计巷道周围的注浆帷幕时,必须具备岩体裂隙的参数值:用于计算巷道周围帷幕宽度的裂隙最大横向开裂度δ;用于确定注浆材料用量的裂隙空隙度m_т(孔隙度)。注浆帷幕的经济性和可靠性也与这两个
In designing the grouting curtain around the roadway, the parameter values of the rock mass fracture must be provided: the maximum lateral cracking δ of the fracture used to calculate the curtain width around the roadway; the fracture porosity m_т used to determine the amount of grouting material; . The economics and reliability of grouting curtains are also associated with both