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根据山西省内某高速公路二道梁隧道隧址特点,结合历年来的施工经验,为有效地控制表面沉降,根据加固的范围大小,介绍该隧道支护方式采用的两大类施工工法。
According to the characteristics of the tunnel of Erdaoliang tunnel in an expressway in Shanxi province and the construction experience over the years, in order to control the surface subsidence effectively, two types of construction methods adopted for tunnel support are introduced according to the scope of reinforcement.