中空锚杆
中空锚杆-
涨壳式预应力中空锚杆的研究与应用
Study and Application of the Expanding-shell Pre-stressed Hollow Anchor Rod
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新型中空注浆锚杆在软煤岩巷道支护中的应用
Application of new cable grouting in the roadway within soft rock
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中空注浆锚杆的应用实践
Application of Hollow Grouted Anchor Bar
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为了加固松动的围岩，可通过用中空注浆锚杆对其进行支护和加固，达到改良和稳固其结构的目的。
To strengthen loose surrounding rock , we can support and strengthen it by hollow grouting anchor so as to modify and stabilize its structure .
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中空自进注浆锚杆既可加固围岩，又可堵漏防渗，降低了工程成本，提高了治理效果。
The auto-placing hollow anchor bar can reinforce the surrounding rock , prevent leakage and decrease the cost as a result .