【正文】 ...........................................................................................373 工程地質(zhì) .........................................................................................................................................................40 區(qū)域工程地質(zhì)條件及評價 ....................................................................................................................40 地形地貌 .........................................................................................................40 地層巖性 .........................................................................................................40 片麻巖（Z） .........................................................................................................40 上更新統(tǒng)（alplQ 3）：...........................................................................................41 全新統(tǒng)（alQ 4）....................................................................................................41 地質(zhì)構(gòu)造與地震 .............................................................................................41 地質(zhì)構(gòu)造 ...........................................................................................................41 地震 ...................................................................................................................42 水文地質(zhì)條件 .................................................................................................42 地下水類型 .......................................................................................................43 各土層及卵石層的滲透性 ...............................................................................43 水化學(xué)特征 .......................................................................................................43 河道工程地質(zhì)條件及評價 ....................................................................................................................46 地質(zhì)結(jié)構(gòu) .........................................................................................................46 右岸 ...................................................................................................................46 河床 ...................................................................................................................46 左岸 ...................................................................................................................46 土體的物理力學(xué)性質(zhì) .....................................................................................46 主要工程地質(zhì)問題及評價 ....................................................................................................................52 基坑臨時邊坡穩(wěn)定問題 .................................................................................52 施工排水問題 .................................................................................................52 黃土狀土的濕陷問題 .....................................................................................52 建筑物工程地質(zhì)條件及評價 ................................................................................................................52 口頭排水溝渡槽 .............................................................................................52 江山橋 .............................................................................................................52 薛灣村橋 .........................................................................................................53iv 秦窯村橋 .........................................................................................................54 三皇莊橋 .........................................................................................................55 天然建筑材料 ........................................................................................................................................55 土料 .................................................................................................................56 砂礫料 .............................................................................................................57 石料 .................................................................................................................61 結(jié)語 ........................................................................................................................................................634 工程任務(wù)與規(guī)模 .............................................................................................................................................63 工程現(xiàn)狀及存在的問題 ........................................................................................................................65 工程現(xiàn)狀 .........................................................................................................65 存在問題 .........................................................................................................71 工程任務(wù) ................................................................................................................................................71 工程規(guī)模 ................................................................................................................................................72 治理范圍 .........................................................................................................72 治理目標(biāo) .........................................................................................................725 工程設(shè)計 .........................................................................................................................................................73 工程等別 ................................................................................................................................................73 設(shè)計依據(jù) ................................................................................................................................................73 法律法規(guī) .........................................................................................................73 主要規(guī)范規(guī)程 .....................................................................