開縣九曲拱橋土石圍堰施工方案(存儲版)
【正文】 象，應(yīng)及時翻開晾干或挖除換土處理。流入坑內(nèi)的水流入集水坑后集中用水泵排出圍堰外。 1/10000。常出現(xiàn)冬春干旱，夏秋洪澇現(xiàn)象；多年平均氣溫 176。裂面較平直，近地表裂隙多張開，寬 515cm，地表往下漸至閉合，無充填或充填次生泥、鈣質(zhì)、無膠結(jié)巖屑，延伸約 2~10m，發(fā)育間距 2~4m；②、 40176。與頭道河流向基本正交，河谷較平坦，河谷走向 167176。然后在其防水土工布外側(cè)堆碼一層裝土麻袋進行邊坡防護，邊坡坡腳堆砌 1m 高麻袋護腳。目 錄 編制依據(jù) .......................................................................................................................1 工程概況 .......................................................................................................................1 可行性經(jīng)濟技術(shù)比較 ...................................................................................................2 工程地質(zhì)條件 ...............................................................................................................2 地形地貌 ........................................................................................................................2 地層特征 ........................................................................................................................3 地質(zhì)結(jié)構(gòu) ........................................................................................................................3 水文地質(zhì)待征 ...............................................................................................................4 施工工藝流程 ...............................................................................................................4 施工測量 .....................................................................................................................4 基坑開挖 .....................................................................................................................5 封底混凝土澆筑 ............................................................................................................5 堰體填筑施工 ................................................................................................................5 防水層施工 ...................................................................................................................6 變形觀測 .......................................................................................................................6 圍堰拆除 ........................................................................................................................7 施工進度計劃 ...............................................................................................................7 主要施工機械與機具配備計劃 ....................................................................................7 主要勞動力使用計劃 ....................................................................................................8 主要工序作業(yè)進度計劃 ................................................................................................8 堰體穩(wěn)定性計算 ...........................................................................................................8 抗滑穩(wěn)定計算 ................
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