This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.
介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。
In order to meet technical needs and minimize the deformation of tunnel, bolt-grouting supporting program was adopted on analysis of interaction between supporting and wall rock.
为了满足掘进巷道的技术要求，解决巷道的变形，通过对巷道支护与围岩相互作用及目前各类巷道支护形式及支护效果分析研究，决定采用锚注支护方案。
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