喷中点
Spray center
以上为机器翻译结果,长、整句建议使用 人工翻译 。
注浆后使得喷层壁后充填密实,保证荷载能均匀地作用在喷层和支护上,避免出现应力集中点而首先破坏;
The spray layer wall are filled with liquid after grouting, the stress is avoided to be concentrated because the load could be evenly acted on the spray layer and the support;
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