With grouting-bolting as the kernel, pre-stressed anchor rope and anchor as the auxiliary structure, the three-bolting combined supporting system combining pressure-relief technology of roof control and laneway floor heave control technology solved the supporting stability problem in deep-seated soft rock roadway.

  • 通过以锚注为核心,预应力锚索和锚杆为辅助支护结构的三锚联合支护技术,结合控顶放压技术和底臌控制技术解决了深部软岩巷道的稳定性控制问题。

  • 互联网摘选 2025-01-19 23:22:19

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