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中文摘要：
从施工中可能存在的风险出发,通过风险识别、风险评估、风险应对和风险监控4个方面建立浅埋暗挖隧道穿越既有桥梁施工风险控制体系,并将其应用于北京西三环暗挖穿越既有花园桥的施工过程.结果表明,穿越施工风险控制达到了预期的控制目标,实现了既有桥梁在隧道施工过程中的安全运营.
英文摘要：
According to the possible risks during construction, this paper has established the risk control system of crossing the existing bridge which includes risk identification, risk evaluation, risk handling and risk monitoring by shallow tunnel construction. This system is used in the construction of underground culvert at Western Third Ring road crossing the Huayuan Bridge. The results prove that risk controlling system has managed to reach the expected goal and the operation of existing bridge is safe during the tunnel construction.
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