Many site tests have also proved that the strength of anchor and shotcrete support is much greater than that of conventional in situ concrete lining.
通过多次现场试验也证明：喷锚支护比现浇混凝土的支护能力在相同条件下要大得多。
2
The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.