求翻译：城市轨道交通工程下穿重要交通要道、建（构）筑物是不可避免的，工程自身和周边建（构）筑的安全控制非常困难。本文结合广州地铁六号线黄花岗站至沙河顶站暗挖区间下穿市内环路段工程所遇到的隧道超浅埋深、围岩稳定性差、周边建（构）筑物保护难等问题进行分析，通过采用钢便桥、WSS全断面注浆、大管棚、CD工法等措施，有效解决了超浅埋深隧道施工及周边建筑保护中相关的问题。是什么意思？

Beneath the urban rail transit project important traffic arteries, construction (structures) is inevitable, project itself and the surrounding building (structure) building security control very difficult. In this paper, Guangzhou Metro Line 6 Huanghuagang Station to Station Shaheding tunneling bene

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Under the city track traffic engineering puts on the important key communication line, constructs (construction) to build the thing is inevitable, the project own and peripheral constructs the safety control which (construction) builds to be extremely difficult.Local this article unifies Guangzhou s

Under important traffic arteries, of urban rail transit engineering building (construction) of building is inevitable, the project itself and the surrounding building (construction) construction safety control very difficult. This article combination Guangzhou Metro Line 6 line Huang Hua gang statio