应用锚索、煤矸渣砼技术沿空留巷

Retaining Roadways along Goaf with Cable and Gangue Dirt Concrete Technology

应用锚索、煤矸渣砼技术沿空留巷,具有投资少、见效快、经济效益高、巷道维修成本低、减少煤柱损失、提高回采率、降低万吨掘进率及缓解采区接续等优点。工人能够在较短时间掌握施工方法。

Retaining roadways along goal with cable and gangue dirt concrete technology has lots of advantages, such as less investment, yield faster results, high economic benefit low maintenance cost, decreasing losses of pillars, increasing recovery ratio, reducing drivage ratio of ten thousand ton, relieving connetting mining area. The construction method can be controlled in a short time by workers.