Numerical simulation results agree with experimental results, both of which show that velocity of consolidation wave in grouted rock bolt are related to the anchoring strength of fresh concrete.
都显示锚杆中锚固段的应力波波速（固结波速）和锚固介质的强度直接相关，固结波速和锚固介质强度之间成抛物线关系。
During the anchoring and shotcreting construction at the rock heading blast advancement face, problems such as support strength can not be guaranteed or engineering quality uneasy to control exist.
岩巷炮掘工作面的锚喷施工存在支护强度得不到保证、工程质量不易控制等问题。
The compression strength and the bending rigidity of the refractory materials made from nano-clay modified phenolic resin anchoring agent were both improved.
采用这种结合剂所制得的无定形捣打料和铝碳砖的耐压强度以及抗弯刚度均得到较大提高。
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