【正文】 ......................................................................................... 42 地質(zhì)構(gòu)造與地震 ............................................................................................ 42 地質(zhì)構(gòu)造 ......................................................................................................... 42 地震 ................................................................................................................. 43 水文地質(zhì)條件 ................................................................................................ 43 地下水類型 ..................................................................................................... 44 各土層及卵石層的滲透性 ............................................................................. 44 水化學(xué)特征 ..................................................................................................... 44 河道工程地質(zhì)條件及評(píng)價(jià) ........................................................................................................................ 47 地質(zhì) 結(jié)構(gòu) ........................................................................................................ 47 右岸 ................................................................................................................. 47 河床 ................................................................................................................. 47 左岸 ................................................................................................................. 47 土體的物理力學(xué)性質(zhì) .................................................................................... 47 主要工程地質(zhì)問題及評(píng)價(jià) ........................................................................................................................ 53 基坑臨時(shí)邊坡穩(wěn)定問題 ................................................................................ 53 施工排水問題 ................................................................................................ 53 黃土狀土的濕陷問題 .................................................................................... 53 建筑物工程地質(zhì)條件及評(píng)價(jià) ................................................................................................................... 53 口頭排水溝渡槽 ............................................................................................ 53 江山橋 ............................................................................................................ 53 薛灣村橋 ........................................................................................................ 54 iv 秦窯村橋 ........................................................................................................ 55 三皇莊橋 ........................................................................................................ 56 天然建筑材料 ............................................................................................................................................ 56 土料 ................................................................................................................ 57 砂礫料 ............................................................................................................ 58 石料 ................................................................................................................ 62 結(jié)語 ............................................................................................................................................................. 64 4 工程任務(wù)與規(guī)模 .................................................................................................................................................. 64 工程現(xiàn)狀及存在的問題 ............................................................................................................................ 66 工程現(xiàn)狀 ........................................................................................................ 66 存在問題 ........................................................................................................ 72 工程任務(wù) ..................................................................................................................................................... 72 工程規(guī)模 ..................................................................................................................................................... 73 治理范圍 ........................................................................................................ 73 治理目標(biāo) ........................................................................................................ 73 5 工程設(shè)計(jì) ............................................................................................................................................................... 74 工程等別 ..................................................................................................................................................... 74 設(shè)計(jì)依據(jù) ..................................................................................................................................................... 74 法律法規(guī) ........................................................................................................ 74 主要規(guī)范規(guī)程 ................................................................................................ 75 有關(guān)文件和資料 ............................................................................................ 75 設(shè)計(jì)原則 ..................................................................................................................................................... 75 工程設(shè)計(jì) ..................................................................................................................................................... 76 河道工程設(shè)計(jì) ................................................................................................ 76 建筑物工程設(shè)計(jì) ............................................................................................ 85 6 工程管理設(shè)計(jì) ........................................................