The results show that, for relatively shallow embedded tunnel, a big error would occur if the surrounding rock pressure of the vault is regarded as uniformly distributed.
结果表明：对于埋深较浅的隧道，如果拱顶围岩压力按均布进行计算，结果会产生较大误差。
2
The linking piece bases are combined and assembled separately and fixed uniformly and are embedded inside the product or at the components as a whole.