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Roadway (tunnel) surrounding rock flexible supporting method
The invention discloses a flexible supporting method for roadway (tunnel) surrounding rock. The flexible supporting method comprises the steps that S1, geomechanical parameters of the roadway (tunnel) surrounding rock are measured; s2, primarily spraying a thin flexible concrete layer; s3, laying a flexible plastic net; s4, the inflatable anchor rods are installed; s5, re-spraying a thick flexible concrete layer; the supporting method can adapt to complex geological conditions such as deep high stress, high water pressure and large deformation, and during working, the plastic deformation function of the double-layer flexible concrete layer and the flexible plastic net in the composite flexible supporting structure and the resistance increasing and damping characteristics of the inflatable anchor rod can be used for restraining large deformation through yielding and absorbing high-elasticity stored energy. More importantly, deformation and damage of surrounding rock of the roadway can be fully controlled, and rock dynamic disasters such as rock burst/rockburst can be prevented and controlled.
本发明公开了一种巷(隧)道围岩柔性支护方法包括步骤:S1、测定巷(隧)道围岩地质力学参数;S2、初喷薄层柔性混凝土层;S3、铺设柔性塑料网;S4、安装充气锚杆;S5、复喷厚层柔性混凝土层;本发明支护方法能够适应深部高应力、高水压、大变形等复杂地质条件,在工作中能够利用复合柔性支护结构中的双层柔性混凝土层和柔性塑料网的塑性变形功能及充气锚杆的增阻阻尼特征实现让压抑制大变形和吸收高弹性储能。更为重要,继而可以充分控制巷道围岩的变形和破坏,并且能够防治冲击地压/岩爆等岩石动力灾害的发生。
Roadway (tunnel) surrounding rock flexible supporting method
The invention discloses a flexible supporting method for roadway (tunnel) surrounding rock. The flexible supporting method comprises the steps that S1, geomechanical parameters of the roadway (tunnel) surrounding rock are measured; s2, primarily spraying a thin flexible concrete layer; s3, laying a flexible plastic net; s4, the inflatable anchor rods are installed; s5, re-spraying a thick flexible concrete layer; the supporting method can adapt to complex geological conditions such as deep high stress, high water pressure and large deformation, and during working, the plastic deformation function of the double-layer flexible concrete layer and the flexible plastic net in the composite flexible supporting structure and the resistance increasing and damping characteristics of the inflatable anchor rod can be used for restraining large deformation through yielding and absorbing high-elasticity stored energy. More importantly, deformation and damage of surrounding rock of the roadway can be fully controlled, and rock dynamic disasters such as rock burst/rockburst can be prevented and controlled.
本发明公开了一种巷(隧)道围岩柔性支护方法包括步骤:S1、测定巷(隧)道围岩地质力学参数;S2、初喷薄层柔性混凝土层;S3、铺设柔性塑料网;S4、安装充气锚杆;S5、复喷厚层柔性混凝土层;本发明支护方法能够适应深部高应力、高水压、大变形等复杂地质条件,在工作中能够利用复合柔性支护结构中的双层柔性混凝土层和柔性塑料网的塑性变形功能及充气锚杆的增阻阻尼特征实现让压抑制大变形和吸收高弹性储能。更为重要,继而可以充分控制巷道围岩的变形和破坏,并且能够防治冲击地压/岩爆等岩石动力灾害的发生。
Roadway (tunnel) surrounding rock flexible supporting method
一种巷(隧)道围岩柔性支护方法
WU HAO (Autor:in) / WANG WANLU (Autor:in) / LI SHUJIAN (Autor:in) / ZHANG BIN (Autor:in) / LIU YINGHUI (Autor:in) / ZHANG JIXIONG (Autor:in) / MA DAN (Autor:in) / ZHOU FAN (Autor:in) / DAI BING (Autor:in) / CHEN YING (Autor:in)
29.03.2024
Patent
Elektronische Ressource
Chinesisch
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