This paper introduced the blasting design and all kinds of blasting parameters of all kinds of surrounding rock of Dahongtian tunnel,this paper elaborated the influence of the basis of blasting design,the selection of blasting parameter and blasting desig%介绍了大红田隧道各类围岩的爆破设计及各种爆破参数,阐述了爆破设计的依据、爆破参数的选择以及爆破设计对施工的影响,对三车道大跨公路隧道的类似工程的施工提供了借鉴和参考。
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