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塔吊基礎(chǔ)設(shè)計(jì)方案和對策-wenkub

2023-05-25 00:52:39 本頁面
 

【正文】 ..............................................................166.預(yù)埋螺栓安裝與固定 .......................................................................................................167.混凝土澆筑 .......................................................................................................................168.基礎(chǔ)養(yǎng)護(hù) ...........................................................................................................................179.維護(hù)處理 ...........................................................................................................................1710.驗(yàn)收要求 .........................................................................................................................17九、塔吊穿地下室處理措施 ....................................................................................................17十、質(zhì)量保證措施 ....................................................................................................................17十一、塔吊相關(guān)要求 ................................................................................................................18塔吊的扶墻要求 ...............................................................................................................182.塔吊安裝要求 ...................................................................................................................183.塔吊使用要求 ...................................................................................................................194.塔吊拆除要求 ...................................................................................................................195.安全施工措施 ...................................................................................................................196.安全技術(shù)交底要求 ...........................................................................................................197.質(zhì)量要求 ...........................................................................................................................198.焊接質(zhì)量驗(yàn)收評定 ...........................................................................................................209.塔吊基礎(chǔ)的監(jiān)測 ...............................................................................................................20十二、應(yīng)急預(yù)案 ........................................................................................................................21 ....................................................................................................................2拆卸和使用應(yīng)急救援組織方案 ......................................................................21 ............................................................................................21 ........................................................................................................22 ................................................................................................22 ....................................................................................................22 ........................................................................................................23十三、塔吊施工防護(hù)、防碰撞措施 .........................................................................................23十四、計(jì)算書 ............................................................................................................................24(5M*5M) .................................................................................................24(* M)...........................................................................................32十五、附件 ................................................................................................................................41 一、編制依據(jù)《建筑制圖規(guī)范》GB/T501042022《建筑結(jié)構(gòu)荷載規(guī)范》(GB500092022)《建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范》(GB500072022)《混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范》(GB500102022)《巖土工程勘察規(guī)范》(GB500212022)《建筑邊坡工程技術(shù)規(guī)范》(GB503302022)《建筑地基處理技術(shù)規(guī)范》(JGJ792022)《高聳結(jié)構(gòu)設(shè)計(jì)規(guī)范》(GB501352022)《建筑樁基技術(shù)規(guī)范》(JGJ942022)《建筑基坑支護(hù)技術(shù)規(guī)程》(JGJ1202022)《鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范》(GB500172022)《建筑鋼結(jié)構(gòu)焊接技術(shù)規(guī)程》(JGJ812022)《鋼筋焊接及驗(yàn)收規(guī)程》(JGJ182022)《鋼筋機(jī)械連接通用技術(shù)規(guī)程》(JGJ1072022)《建筑地基與基礎(chǔ)工程施工質(zhì)量驗(yàn)收規(guī)范》(GBJ502022022)《塔式起重機(jī)設(shè)計(jì)規(guī)范》(GB/T1375292)《塔式起重機(jī)混凝土基礎(chǔ)工程技術(shù)規(guī)程》(JGJ/T187 2022)《簡明建筑結(jié)構(gòu)設(shè)計(jì)手冊》PKPM 施工計(jì)算軟件廠家提供的說明書蘆莘大道碧桂園施工圖紙 蘆莘大道巖土工程詳細(xì)勘察報(bào)告(勘察編號:2022T221)蘆莘大道碧桂園施工組織設(shè)計(jì)二、工程概況本工程為蘇州汾湖蘆莘大道碧桂園觀瀾天境花園首期總承包項(xiàng)目,場地位于江蘇省蘇州市吳江區(qū)汾湖鎮(zhèn)政府以北,洋砂路以西,蘆莘大道以東、洋砂 蕩以北地塊。正負(fù)零相對于絕對高程 為 米。本次只針對塔吊基礎(chǔ)進(jìn)行設(shè)計(jì)。②1 泥炭質(zhì)土:灰黑色,松散~流塑。②2 粉質(zhì)粘土:灰黃色~灰色,軟塑為主。③1 淤泥質(zhì)粉 質(zhì)粘土:灰色,流塑。③2 淤泥質(zhì)粉 質(zhì)粘土:灰色,流塑。③3 粉質(zhì)粘土:灰褐色,軟~可塑。④1 粘土:暗 綠色~灰黃色,可塑。④2 粉質(zhì)粘土 夾粉土:灰黃色,可塑為主。⑤粉土:灰色,很濕,稍密 為主。⑥1 粉質(zhì)粘土:灰色,軟塑為主。⑥2 粉質(zhì)粘土 夾粉土:灰色,軟塑為主。⑥3 粉質(zhì)粘土:灰色,軟塑為主。⑥4 粉土夾粉 質(zhì)粘土:灰色,很濕,中密。⑦1 粉砂夾粉土:灰黃色 ~灰色, 飽和,中密 ~密實(shí)。⑦2a 粉砂:灰色,飽和,密實(shí)。⑦2 粉砂夾粉土:灰色,飽和,密實(shí)。⑧1 粉質(zhì)粘土 夾粉土:灰色,可塑為主。⑧2 粉質(zhì)粘土 夾粘土:青灰色,可塑為主。⑨粉土夾粉砂:灰色,密實(shí),飽和,含白色云母碎屑,夾少量薄層狀粉質(zhì)粘土。據(jù)歷史資料,吳江區(qū)歷史最高洪水位為 (1999 年),最低河水位 為 ,常年平均水位為 。1)潛水孔隙潛水主要賦存于淺部填土層中,其導(dǎo)水性及富水性較差,主要受大氣降水入滲 補(bǔ)給,以地面蒸發(fā)為主要排泄方式。3)第Ⅰ承壓水(上段)第Ⅰ承壓水(上段)主要賦存于⑥4 粉土夾粉質(zhì)粘土、⑦1 粉砂夾粉土、⑦2a 粉砂、⑦2 粉砂夾粉土 (四者屬同一含水 層組) 中,其富水性及透水性較好,主要受地下水的越流補(bǔ)給,以地下水側(cè)向逕流 為主要排泄方式。(3)場地各地基巖土的建議參數(shù)固快 預(yù)應(yīng)力管樁凝聚力C內(nèi)摩擦角φ壓縮模量Es承載力特征值fak樁周土摩擦力標(biāo)準(zhǔn)值qsk樁端土承載力標(biāo)準(zhǔn)值qpk地層序號地 層 名 稱kPa 度 Mpa kPa kPa kPa①1 素填土①2 含淤泥質(zhì)填土② 淤泥質(zhì)粉質(zhì)粘土 60 26③1 粉質(zhì)粘土 190 74③2 粉質(zhì)粘土 140 52 夾粉土③3 粉砂夾粉土 160 50③4 粉質(zhì)粘土夾粉土 140 48④1 粉質(zhì)粘土 200 60 1600(16l≤30)④2 粉土夾粉質(zhì)粘土 220 865000(16l≤30)5400(l>30)④3 粉質(zhì)粘土夾粉土 170 76⑤1 粉土夾粉質(zhì)粘土 240 106 4000(l >30)⑤2 粉質(zhì)粘土夾粉土 180 78⑥ 粉細(xì)砂 240 110 8000(l >30)(4)樁基設(shè)計(jì)參數(shù)預(yù)制樁 鉆孔樁土層名稱及代號 極限側(cè)阻力標(biāo)準(zhǔn)值 qsik (kPa)極限端阻力標(biāo)準(zhǔn)值 qpk (kPa)極限側(cè)阻力標(biāo)準(zhǔn)值 qsik (kPa)極限端阻力標(biāo)準(zhǔn)值 qpk (kPa)抗拔系數(shù)λi②2 粉質(zhì) 粘土 28 24 ③1 淤泥 質(zhì)粉質(zhì) 粘土 20 18 ③2 淤泥 質(zhì)粉質(zhì) 粘土 25 23 ③3 粉質(zhì) 粘土 45 40 ④1 粘土 65 60 ④2 粉質(zhì) 粘土夾 粉土 50 45 ⑤粉土 48 1800 43 ⑥1 粉質(zhì) 粘土 35 1000 32 ⑥2 粉質(zhì) 粘土夾 粉土 45 40 ⑥3 粉質(zhì) 粘土 40 1200 35 ⑥4 粉土 夾
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