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1、基 坑 圍 護(hù) 、 降 水 及 土 方 開 挖 工 程 專 項(xiàng) 施 工 方 案SpecialConstructionScheme of FoundationDitchSupport,Precipitationand Earthwork Excavation Engineering一、工程概況Project Overview1.1概述 Summary工程名稱:上海聯(lián)恒異氰酸脂有限公司MDI 擴(kuò)建項(xiàng)目工藝裝置土建工程、Project Name : Lian heng isocyanate resin co., LTD. Shanghai MDI expansion devices is civil

2、engineering工程地址:上海市漕涇化工區(qū)楚華路25 號(hào)Project Address: Shanghai caojing chemical OuChuHua road no. 25建設(shè)單位:上海聯(lián)恒異氰酸脂有限公司The construction units: Shanghai lian heng isocyanate resin co., LTD設(shè)計(jì)單位:上海科元燃化工程設(shè)計(jì)有限公司Design unit: Shanghai yuan combustion engineering design co., LTD勘察單位:上海巖土工程勘察設(shè)計(jì)有限公司Prospecting units:

3、 Shanghai geotechnical engineering survey and design co., LTD施工單位:中國(guó)核工業(yè)中原建設(shè)有限公司Construction unit: China nuclear industry zhongyuan construction co., LTD監(jiān)理單位:上東洋工程(上海)有限公司Supervision units: the Oriental engineering (Shanghai) co., LTD1.2 工程概況Project Overview:本工程位于上海市漕涇化工區(qū)楚華路25 號(hào),上海巴斯夫聚氨酯有限公司內(nèi)的A400地塊上

4、。而上海聯(lián)恒異氰酸脂有限公司MDI擴(kuò)建項(xiàng)目工藝裝置土建工程,由 MDI 合成單元、 MDI 初期雨水池、 MDA 初期雨水池、 MDA 處理單元、雨淋閥室和管架五大單元組成。This project is l ocated in Shanghai City Caojing Chemical District Chu Hua Road No. 25, Shanghai BASF Polyurethane Co. Ltd in A400 block. And Shanghai Lianheng ISO cyanate grease Co., Ltd. MDI expansion project p

5、rocess d evice for civil engineering. By synthesizing MDI unit, MDI early rain pool, MDA in the early rain pool, MDA treatment unit, the deluge valve chamber and tube frame five unit composed.1.3基坑概況 Foundation Ditch Overview:合成單元 Synthetic unit( 1)光氣隔離艙、 HCL 吸收及尾氣處理的墊層底標(biāo)高 -2.25m ,板底厚為 1200mm ,墊層厚 1

6、00mm ,建筑面積為 638.44m2 。本工程設(shè)計(jì)標(biāo)高 100.000m 為 ±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高+4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為+4.500m,即為相對(duì)標(biāo)高± 0.000m,則開挖深度為2.25m 。其中,水池的墊層底標(biāo)高-5.90m ,板厚為1000mm,墊層厚100mm,建筑面積為31.59 。本工程設(shè)計(jì)標(biāo)高100.000m為±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高+4.500m,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為+4.500m ,即為相對(duì)標(biāo)高±0.000m,則開挖深度為5.9m。(1) The phosgene com

7、partment, HCL absorption and tail gas treatment of cushion bottom elevation of 2.25 m, the bottom of the plate thickness is 1200 mm, cushion thickness of 100mm, with a construction area of 638.44 m squared. This engineering design elevation of100.000 m by 0.000 mm to cope with the absolute level of

8、wusong elevation + 4.500 m, fieldinsid e the natural ground elevation is about 4.500 m + absolutely, is the relative elevation + / -0.000 m, the excavation d epth of 2.25 m. Pool of cushion bottom elevation of 5.90 m, thethickness is 1000 mm, cushion thickness of 100 mm, with a construction area of

9、31.59 .This engineering d esign elevation of 100.000 m by 0.000 mm to cope with the absolute levelof wusong el evation + 4.500 m, field inside the natural ground elevation is about 4.500 m +absolutely, is the relative el evation + / - 0.000 m, the excavation depth of 5.9 m.( 2)HCL 壓縮機(jī)的墊層底標(biāo)高 -1.18m ,

10、板厚為 1000mm ,墊層厚 100mm ,建筑面積為 127.02。本工程設(shè)計(jì)標(biāo)高100.000m 為 ±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高+4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為+4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為1.18m 。(2)HCL compressor cushion bottom elevation of 1.18 m, thickness is 1000 mm, cushionthickness of 100 mm, with a construction area of 127.02 . This engineering

11、 d esignelevation of 100.000 m by 0.000 mm to cope with the absolute level of wusong elevation +4.500 m, field insid e the natural ground elevation is about 4.500 m + absolutely, is the relativeelevation + / - 0.000 m, the excavation depth of 1.18 m.( 3)氯苯冷卻、氯苯精餾的承臺(tái)墊層底標(biāo)高-2.17m ,承臺(tái)厚度1300mm,墊層厚度100mm;

12、地梁的梁頂標(biāo)高-0.77m ,根據(jù)地梁的截面尺寸對(duì)梁底進(jìn)行開挖,其墊層厚度100mm,建筑面積為:2861.71m2 。本工程設(shè)計(jì)標(biāo)高100.000m為± 0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高+4.500m,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為+4.500m ,即為相對(duì)標(biāo)高±0.000m,則開挖深度為2.17m 。(3) the effects of cooling, chlorobenzene rectifying cap cushion bottom elevation of 2.17 m, the thickness of the pil e caps is 1300 mm,

13、 cushion thickness 100 mm; Ground beam beam top el evation of 0.77 m, the base beam to the excavation of the bottom of the beam, the section size of the cushion thickness is 100 mm, with a construction area offor: 2861.71 m squared. This engineering d esign elevation of 100.000 m by 0.000 mm to cope

14、 with the absolute level of wusong elevation + 4.500 m, field insid e the natural ground elevation is about 4.500 m + absolutely, is the relative elevation + / - 0.000 m, the excavation d epth of 2.17 m.初期雨水池Early rain poolMDI 初期雨水池的墊層底標(biāo)高 -3m ,板厚為 500mm ,墊層厚 100mm ,建筑面積為 64.89 。本工程設(shè)計(jì)標(biāo)高 100.000m 為 &#

15、177;0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高 +4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為+4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為3m 。其積水坑的墊層底標(biāo)高 -3.45m ,板厚為 500mm ,墊層厚 100mm ,建筑面積為6.25 。本工程設(shè)計(jì)標(biāo)高 100.000m 為 ±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高 +4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為 +4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為 3.45m 。MDIrain early cushion pond bottom elevation -3m, a t

16、hickness of 500mm, cushionthick 100mm, construction area of 64.89 . The engineering d esign elevation 100.000maddressed by an absolute elevation± 0.000 Wusong elevation + 4.500m, natural floor spaceinsid e the absolute elevation of about + 4.500m, is the relative elevation±0.000excavation

17、d epth of 3m. Its water pit bottom cushion elevation -3.45m, a thickness of 500mm,cushion thick 100mm,construction area of 6.25. The engineering d esign elevation100.000m ad dressed by an absolute elevation ± 0.000 Wusong elevation + 4.500m, natural floor space insid e the absolute elevation of

18、 about + 4.500m, is the relative elevation the excavation d epth is 3.45m.合成單元 Synthesis unit( 1)合成單元的承臺(tái)墊層底標(biāo)高-2.10m ,承臺(tái)厚度1200mm ,墊層厚度100mm ;地梁的梁頂標(biāo)高-0.80m ,根據(jù)地梁的斷面尺寸對(duì)梁底進(jìn)行開挖,其墊層厚度100mm;排水溝的墊層底標(biāo)高為-0.85m ,根據(jù)圖紙的設(shè)計(jì)要求,底板厚度150-450mm,建筑面積為:2861.71m2 。本工程設(shè)計(jì)標(biāo)高 100.000m 為 ± 0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高+4.500m ,場(chǎng)地內(nèi)部自

19、然地面絕對(duì)標(biāo)高約為+4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為2.10m 。(1) Synthesis units el evation -2.10m, caps thickness 1200mm, cushion thickness 100mm; top el evation beam to beam -0.80m, cross-sectional dimensions of the beam at the end of the beam base excavation, the mat thickness of 100mm; cushion bottom elev

20、ationdrains -0.85m, according to the d esign requirements of the drawings, floor thickness150-450mm, construction area: 2861.71m2. The engineering d esign elevation 100.000maddressed by an absolute elevation± 0.000 Wusong elevation + 4.500m, natural floor spaceinsid e the absolute elevation of

21、about + 4.500m, is the relative elevation±0.000excavation depth is 2.10m.( 2)二級(jí)冷卻水系統(tǒng)、蒸汽吸收系統(tǒng)的承臺(tái)墊層底標(biāo)高-1.81m ,承臺(tái)厚度1000mm,墊層厚度 100mm ;地梁的梁頂標(biāo)高-0.71m ,根據(jù)地梁的斷面尺寸對(duì)梁底進(jìn)行開挖,墊層厚度 100mm ;排水溝的墊層底標(biāo)高為 -0.76m ,根據(jù)圖紙的設(shè)計(jì)要求, 底板厚度 300-500mm ,建筑面積為: 661.20m2 。本工程設(shè)計(jì)標(biāo)高 100.000m 為±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高 +4.500m ,場(chǎng)地內(nèi)部自然

22、地面絕對(duì)標(biāo)高約為 +4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為 1.81m 。(2) Bottom cushion caps secondary cooling water systems, vapor absorption system level -1.81m, caps thickness 1000mm, cushion thickness 100mm; Beams Beams topelevation -0.71m, cross-sectional dimensions of the beam to beam Base excavation bottom,cu

23、shion thickness 100mm; cushion bottom elevation drains -0.76m, according to the d esign requirements of the drawings, floor thickness 300-500mm, construction area: 661.20m2 . Theengineering d esign elevation 100.000m ad dressed by an absolute elevation ± elevation + 4.500m, natural floor space

24、inside the absolute elevation of about + 4.500m, is the0.000 Wusongrelative elevation± 0.000m, the excavation depth is 1.81m.初期雨水池Early rain poolMDA 初期雨水池的墊層底標(biāo)高 -2.95m ,板厚為 500mm ,墊層厚 100mm ,建筑面積為 32.34 。本工程設(shè)計(jì)標(biāo)高 100.000m 為± 0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高 +4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為 +4.500m ,即為相對(duì)標(biāo)高 ±0

25、.000m,則開挖深度為 2.95m 。其積水坑的墊層底標(biāo)高 -3.45m ,板厚為 500mm ,墊層厚 100mm ,建筑面積為 6.50 。本工程設(shè)計(jì)標(biāo)高 100.000m 為±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高 +4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為 +4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為 3.45m 。MDArain early cushion pond bottom elevation -2.95m, a thickness of 500mm, cushionthick 100mm, construction area of 32

26、.34 . The engineering d esign elevation 100.000maddressed by an absolute elevation± 0.000 Wusong elevation + 4.500m, natural floor spaceinsid e the absolute elevation of about + 4.500m, is the relative elevation±0.000excavation depth is 2.95m. Its water pit bottom cushion elevation -3.45m,

27、 a thickness of500mm, cushion thick 100mm, construction area of 6.50 . The engineering d esignelevation 100.000m ad dressed by an absolute elevation± 0.000 Wusong elevation + 4.500m,natural floor space insid e the absolute elevation of about + 4.500m, is the relative elevation 0.000m, the excav

28、ation d epth is 3.45m.雨淋閥室 Deluge valve chamber雨淋閥室的墊層底標(biāo)高 -1.30m ,板厚為 400mm ,墊層厚 100mm ,建筑面積為 29.25 。本工程設(shè)計(jì)標(biāo)高 100.000m 為 ±0.000所應(yīng)對(duì)的絕對(duì)標(biāo)高為吳淞標(biāo)高 +4.500m ,場(chǎng)地內(nèi)部自然地面絕對(duì)標(biāo)高約為 +4.500m ,即為相對(duì)標(biāo)高 ±0.000m,則開挖深度為 1.30m 。 Cushion deluge valve chamber bottom elevation -1.30m, a thickness of 400mm, cushion thick100mm, construction area of 29.25. Th

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