【正文】 ........ 68 鋼 橋 .......................................................................................................................................................... 76 斜 拉 橋 .................................................................................................................................................. 81 懸 索 橋 ................................................................................................................................................... 91 橋面系和附屬工程 ............................................................................................................................... 104 9 涵 洞 工 程 ................................................................................................................................................. 114 一般規(guī)定 ................................................................................................................................................. 114 涵洞總體 ................................................................................................................................................. 114 涵 臺(tái) ........................................................................................................................................................ 115 涵管制作 ................................................................................................................................................. 115 管座及涵管安裝 .................................................................................................................................... 115 蓋板制作 ................................................................................................................................................. 116 蓋板安裝 ................................................................................................................................................. 117 箱涵澆筑 ................................................................................................................................................. 117 拱涵澆（砌）筑 .................................................................................................................................... 118 倒虹吸豎井、集水井砌筑 ................................................................................................................ 119 一字墻和八字墻 ................................................................................................................................. 119 錐 坡 ...................................................................................................................................................... 121 填 土 ...................................................................................................................................................... 121 頂入法施工的橋、涵 ......................................................................................................................... 122 10 隧 道 工 程 ............................................................................................................................................... 123 一般規(guī)定 ............................................................................................................................................... 123 3 隧道總體 ............................................................................................................................................... 124 明洞澆筑 ............................................................................................................................................... 124 明洞防水層 .......................................................................................................................................... 125 明洞回填 ............................................................................................................................................... 126 洞身開挖 ............................................................................................................................................... 126 （鋼纖維）噴射混凝土支護(hù) ........................................................................................................... 127 錨桿支護(hù) ............................................................................................................................................... 128 鋼筋網(wǎng)支護(hù) .......................................................................................................................................... 129 仰 拱 .................................................................................................................................................... 130 混凝土襯砌 ........................................................................................................................................ 130 鋼支撐支護(hù) ........................................................................................................................................ 131 襯砌鋼筋 ............................................................................................................................................. 132 防 水 層 ............................................................................................................................................. 133 止 水 帶 ............................................................................................................................................. 133 排 水 .................................................................................................................................................... 134 超 前 錨 桿 ....................................................................................................................................... 134 超前鋼管 ............................................................................................................................................. 135 11 交通安全設(shè)施 .........................