The practice shows that the anchor hollow bar is effective in strengthening the roadway loose rock which should be highly popularized.
实践表明，端锚式注浆锚杆在加固巷道松动围岩方面效果很好，具有推广应用价值。
Simulating tests for mechanism of anchor bar in the different elastic modulus of rock mass were studied.
本文通过模拟块试验，研究了锚杆在不同岩体中的工作机理。
Simulating tests for mechanism of anchor bar in the different elastic modulus of rock mass were studied.
本文通过模拟块试验，研究了锚杆在不同岩体中的工作机理。
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