公路隧道洞口病害预防与处治技术探讨

洞口是公路隧道十分关键而又较为薄弱的部位，要保证其正常运营，完善的设计、严格的施工和精心的管养三者缺一不可。当出现病害时也不必惊慌，要认真分析原因，正确判断因果关系，从而对症下药，采取针对性措施，以期达到事半功倍的效果。同时，应结合施工工期、施工难度、总体造价、施工安全、施工期间的交通组织等问题全面考虑，进一步优化，使工程方案达到综合最优。

Disease Prevention and Treatment Technique of Road Tunnel Entrance

Entrance is the key and weak place of road tunnel. To guarantee the normal run, perfect design, strict construction and efficient management and maintenance are necessary. When the diseases come into being, make sure to take it easy and make a analysis of the causes and make a judgement of causality, so as to act appropriately to the situation and take the pertinent measures with an aim to get twice the result with half the effort. At the same time, comprehensive consideration should be given the construction period, construction difficulty, whole cost, construction safety as well as traffic organization and so on. All these should be further optimized in order to make the construction scheme perfect on the whole.