淺談沖孔灌注樁施工技術(shù)畢業(yè)論文-展示頁
2024-09-09 09:35本頁面
【正文】 le foundation, pile foundation construction is the most widely used of the castinplace pile construction technology are summarized, in order to accumulate the pile foundation construction experience, to ensure that meet the design requirements of the bearing capacityof pile foundation. In order to ensure the safety of construction of pile foundation of high risebuilding, avoid has important theoretical and practical significance of accidents. Key Words: The pile hole， Quality control， Construction technology III 目 錄 1 引 言 .................................................................. 1 2 沖孔灌注樁的施工工藝 .................................................... 2 準(zhǔn)備工作 .......................................................... 2 設(shè)置泥漿循環(huán)系統(tǒng) .......................................... 2 埋設(shè)鋼護(hù)筒 ................................................ 2 成孔工藝 .......................................................... 2 鉆機(jī)就位 .................................................. 2 開孔 ...................................................... 2 正常鉆進(jìn) .................................................. 2 終孔 ...................................................... 3 泥漿管理 .................................................. 3 鋼筋籠制作及安放 .......................................... 3 二次清孔 .................................................. 4 澆筑混凝土 ................................................ 4 3 沖孔灌注樁施 工質(zhì)量的控制 ................................................ 6 人 —— 施工及管理人員 .............................................. 6 機(jī) —— 施工機(jī)械、設(shè)備 .............................................. 6 料 —— 原材料及半成品 .............................................. 6 環(huán) —— 現(xiàn)場施工環(huán)境 ................................................ 6 法 —— 施工方法 .................................................... 7 4 沖孔灌注樁施工過程中的常見問題預(yù)防與處理 ................................ 9 坍孔的預(yù)防和處理 .................................................. 9 鉆孔偏斜的預(yù)防和處理 .............................................. 9 斷樁的處理方法 .................................................... 9 糊鉆和埋鉆的預(yù)防和處理辦法 ........................................ 10 縮孔的處理 ....................................................... 10 梅花孔的預(yù)防辦法 ................................................. 10 卡鉆的處理方法 ................................................... 10 鉆孔漏漿的處理方法 ............................................... 11 防止聲測管堵塞、超聲波檢 測不到位的措施 ............................ 11 5高層建筑 灌注樁 樁基礎(chǔ)施工技術(shù) 要點(diǎn)及在施工階段的控制 要點(diǎn) .................. 12 IV 灌注樁的施工技術(shù) ................................................. 12 樁基礎(chǔ)在施工階段的控制要點(diǎn) ........................................ 12 泥漿控制 ................................................... 12 鋼筋籠檢查 ................................................. 12 灌注水下混凝土 ............................................. 12 6高層建筑樁基礎(chǔ)設(shè)計(jì) ..................................................... 14 高層建筑沖孔灌注樁基礎(chǔ)設(shè)計(jì) ........................................ 14 沖孔灌注樁設(shè)計(jì)中關(guān)于質(zhì)量控制的注意事項(xiàng) ............................ 14 關(guān)于沖孔灌注樁灌注設(shè)計(jì)分析 ........................................ 14 參考文獻(xiàn) ................................................................. 16 致謝 ..................................................................... 17 1 1 引 言 隨著現(xiàn)代化城市不斷發(fā)展，城市人口密度不斷加大
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