【正文】 .............................................................................................. 4 路基支擋工程與邊坡加固防護(hù) ........................................................................................... 4 試驗(yàn)段試驗(yàn)的目的和范圍 ......................................................................................................... 4 試驗(yàn)段試驗(yàn)的目的 ............................................................................................................ 4 試驗(yàn)范圍 .......................................................................................................................... 5 施工人員、機(jī)械設(shè)備及測量、檢測儀器、設(shè)備投入情況 ............................................................ 5 參加施工人員進(jìn)場情況 ..................................................................................................... 5 投入試驗(yàn)段施工的機(jī)械設(shè)備 .............................................................................................. 7 測量、檢測儀器設(shè)備的配備 .............................................................................................. 7 填筑工藝 .................................................................................................................................. 8 工藝流程圖 ....................................................................................................................... 8 施工方案概述 .................................................................................................................... 8 施工工藝 ........................................................................................................................... 8 機(jī)械準(zhǔn)備 ........................................................................................................................ 8 材料準(zhǔn)備 ........................................................................................................................ 8 下承層準(zhǔn)備 ..................................................................................................................... 9 測量準(zhǔn)備 ........................................................................................................................ 9 填料拌合 ........................................................................................................................... 9 填料運(yùn)輸 ........................................................................................................................... 9 攤鋪 .................................................................................................................................. 9 壓實(shí) .................................................................................................................................. 9 試驗(yàn)參數(shù)選擇 ...................................................................................................................10 含水率 .............................................................................................................................10 松鋪厚度 ..........................................................................................................................10 壓實(shí)機(jī)械及壓實(shí)遍數(shù) ........................................................................................................10 試驗(yàn)檢測 .................................................................................................................................10 沉降及位移觀測 ...................................................................................................................... 11 沉降變形觀測設(shè)備要求： ................................................................................................. 11 埋設(shè)沉降樁 ...................................................................................................................... 11 沉降變形觀測點(diǎn)設(shè)置要求 .................................................................................................12 沉降評估方法和判定標(biāo)準(zhǔn) .................................................................................................14 觀測資料整理 .........................................................................................................14 路基沉降分析評估 ..................................................................................................15 路基評估方法 .........................................................................................................15 評估標(biāo)準(zhǔn) ................................................................................................................16 無砟軌道路基的變形控制要求 .................................................................................16 沉降觀測工藝流程 ............................................................................................................16 控制工后沉降的措施 ........................................................................................................17 資料整理和匯總 ....................