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濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程

龍門吊安拆專項(xiàng)施工方案

編制單位:中國建筑第八工程局有限公司

編制人:

日期:

中國建筑第八工程局

濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程項(xiàng)目部

2023年08月

目錄

1編制依據(jù)......................................................................................................................................................1

1.1編制依據(jù)..........................................................................................................................................1

1.2編制目的..........................................................................................................................................1

2工程概況......................................................................................................................................................2

2.1工程簡介..........................................................................................................................................2

2.2設(shè)計(jì)概況..........................................................................................................................................2

2.2.1設(shè)計(jì)概況..............................................................................................................................2

2.2.2龍門吊結(jié)構(gòu)..........................................................................................................................3

2.2.3危大工程特點(diǎn)......................................................................................................................4

2.3主要工程數(shù)量表..............................................................................................................................4

2.4施工平面布置................................................................................................................................11

2.5施工目標(biāo)........................................................................................................................................15

2.7危大工程概況和特點(diǎn)......................................................................................................................15

3施工計(jì)劃....................................................................................................................................................15

3.1施工進(jìn)度計(jì)劃................................................................................................................................15

3.2施工準(zhǔn)備計(jì)劃................................................................................................................................17

3.2.1技術(shù)準(zhǔn)備............................................................................................................................17

3.2.2現(xiàn)場準(zhǔn)備............................................................................................................................17

安裝告知......................................................................................................................................19

4施工工藝技術(shù)............................................................................................................................................20

4.1施工工藝流程..................................................................................................................................20

4.2龍門吊安裝施工方法....................................................................................................................21

4.2.1地錨安裝............................................................................................................................21

4.2.2軌道基礎(chǔ)............................................................................................................................22

4.2.3軌道安裝............................................................................................................................25

4.2.4支腿和主梁拼裝................................................................................................................26

4.2.5支腿吊裝............................................................................................................................27

4.2.6主梁吊裝............................................................................................................................33

4.2.7安裝天車............................................................................................................................38

4.2.8電氣系統(tǒng)安裝....................................................................................................................39

4.2.9安全裝置安裝....................................................................................................................40

4.2.10試運(yùn)轉(zhuǎn)及自檢..................................................................................................................41

4.3龍門吊拆除施工方法....................................................................................................................43

4.3.1拆除順序............................................................................................................................43

4.3.2安全技術(shù)交底....................................................................................................................43

4.3.3場地要求............................................................................................................................44

4.3.4纜風(fēng)繩及錨固....................................................................................................................44

4.3.5起重天車吊裝拆除............................................................................................................45

4.3.6附屬結(jié)構(gòu)拆除....................................................................................................................45

4.3.7剛性支腿和柔性支腿固定................................................................................................46

4.3.8主梁吊裝拆除....................................................................................................................46

4.3.9剛性支腿吊裝拆除............................................................................................................46

4.3.10柔性支腿吊裝拆除..........................................................................................................46

4.3.11大車走行拆除..................................................................................................................46

4.3.12主梁和支腿解體..............................................................................................................46

4.3.13清點(diǎn)入庫..........................................................................................................................46

5各項(xiàng)保證措施............................................................................................................................................47

5.1安全保證措施................................................................................................................................47

5.1.1組織保障措施....................................................................................................................47

5.1.2技術(shù)措施............................................................................................................................47

5.1.3監(jiān)控監(jiān)測措施....................................................................................................................54

5.2質(zhì)量保證措施................................................................................................................................54

5.2.1組織保證措施....................................................................................................................54

5.2.2技術(shù)保證措施;................................................................................................................54

5.3綠色施工保證措施........................................................................................................................55

5.3.1節(jié)材措施............................................................................................................................55

5.3.2機(jī)械設(shè)備與機(jī)具................................................................................................................55

5.3.3揚(yáng)塵控制............................................................................................................................55

5.3.3噪音與振動(dòng)控制................................................................................................................55

5.3.4施工垃圾控制....................................................................................................................55

5.3.5職業(yè)健康............................................................................................................................56

6項(xiàng)目管理及作業(yè)人員配備和分工............................................................................................................56

6.1項(xiàng)目管理人員................................................................................................................................56

6.2專職安全生產(chǎn)管理人員................................................................................................................57

6.3特種作業(yè)人員................................................................................................................................57

6.4其他作業(yè)人員................................................................................................................................58

7疫情常態(tài)化防控........................................................................................................................................59

7.1人員管理........................................................................................................................................59

7.1.1人員實(shí)名制管理................................................................................................................59

7.1.2新入場人員管控................................................................................................................60

7.1.3特崗人員管控....................................................................................................................62

7.1.4現(xiàn)場流動(dòng)人員管控............................................................................................................62

7.2封閉管理........................................................................................................................................62

7.2.1封閉式集中管理................................................................................................................62

7.2.2專人值守管理....................................................................................................................62

7.2.3人員通勤管理....................................................................................................................63

7.2.4物流快遞管理....................................................................................................................63

7.3環(huán)境管理........................................................................................................................................63

7.3.1項(xiàng)目宿舍管理....................................................................................................................63

7.3.2辦公場所管理....................................................................................................................63

7.3.3項(xiàng)目食堂管理....................................................................................................................63

7.3.4空調(diào)運(yùn)行要求....................................................................................................................63

7.3.5物資管理............................................................................................................................65

7.4應(yīng)急響應(yīng)狀態(tài)疫情防控管理........................................................................................................65

7.4.1一般防疫風(fēng)險(xiǎn)應(yīng)急響應(yīng)....................................................................................................66

7.4.2較大防疫風(fēng)險(xiǎn)應(yīng)急響應(yīng)....................................................................................................66

7.4.3重大風(fēng)險(xiǎn)應(yīng)急響應(yīng)............................................................................................................66

7.4.4特大風(fēng)險(xiǎn)應(yīng)急響應(yīng)............................................................................................................66

7.4.5風(fēng)險(xiǎn)狀態(tài)下防疫管理........................................................................................................66

7.5防疫制度........................................................................................................................................67

7.5.1防疫消殺制度....................................................................................................................67

7.5.2宿舍長管理制度................................................................................................................68

7.5.3食堂管理制度....................................................................................................................69

7.5.4辦公室管理制度................................................................................................................69

7.6宣傳教育........................................................................................................................................71

8驗(yàn)收標(biāo)準(zhǔn)及要求........................................................................................................................................71

8.1龍門吊整體安全檢查及驗(yàn)收內(nèi)容........................................................................................71

8.2吊鉤安全檢查及驗(yàn)收內(nèi)容....................................................................................................72

8.3滑輪與護(hù)罩安全檢查及驗(yàn)收內(nèi)容........................................................................................72

8.4制動(dòng)器安全檢查及驗(yàn)收內(nèi)容................................................................................................72

8.5安全防護(hù)裝置安全檢查及驗(yàn)收內(nèi)容....................................................................................73

8.6架體安全檢查及驗(yàn)收內(nèi)容....................................................................................................74

8.7傳動(dòng)系統(tǒng)安全檢查及驗(yàn)收內(nèi)容............................................................................................74

8.8龍門吊驗(yàn)收要求....................................................................................................................74

8.9龍門吊安全檢查記錄............................................................................................................75

8.10龍門吊驗(yàn)收人員..................................................................................................................76

9應(yīng)急預(yù)案....................................................................................................................................................76

9.1應(yīng)急指揮機(jī)構(gòu)及職責(zé)....................................................................................................................76

9.2事故風(fēng)險(xiǎn)分析................................................................................................................................77

9.3應(yīng)急救援程序................................................................................................................................77

9.4應(yīng)急處置措施................................................................................................................................79

9.5應(yīng)急物資準(zhǔn)備................................................................................................................................81

9.6應(yīng)急響應(yīng)、響應(yīng)結(jié)束、應(yīng)急演練................................................................................................82

10計(jì)算書......................................................................................................................................................84

10.1MHD10-18、MHD10-28、10MHEzm10+10-36型龍門吊吊裝計(jì)算書...........................................84

10.1.1吊裝能力驗(yàn)算..................................................................................................................84

10.1.2鋼絲繩及卸扣安全性能驗(yàn)算..........................................................................................87

10.1.3纜風(fēng)繩計(jì)算......................................................................................................................89

10.2MGH98/10-28、MELQ100+100/10-36型龍門吊吊裝計(jì)算書.....................................................90

10.2.1吊裝能力驗(yàn)算..................................................................................................................90

10.2.2鋼絲繩及卸扣安全性能驗(yàn)算..........................................................................................93

10.2.3纜風(fēng)繩計(jì)算......................................................................................................................96

10.3MHG10-32、MHG16+16-36、MHG16+16-32型龍門吊計(jì)算書.....................................................97

10.3.1吊裝能力驗(yàn)算..................................................................................................................97

10.3.2鋼絲繩及卸扣安全性能驗(yàn)算..........................................................................................99

10.3.3纜風(fēng)繩計(jì)算......................................................................................................................99

10.4ME100+16-36-18型龍門吊計(jì)算書...........................................................................................100

10.4.1吊裝能力驗(yàn)算................................................................................................................100

10.4.2鋼絲繩及卸扣安全性能驗(yàn)算........................................................................................104

10.4.3纜風(fēng)繩計(jì)算....................................................................................................................106

10.5ME100+100-36-9型龍門吊計(jì)算書...........................................................................................107

10.5.1吊裝能力驗(yàn)算................................................................................................................107

10.5.2鋼絲繩及卸扣安全性能驗(yàn)算........................................................................................110

10.5.3纜風(fēng)繩計(jì)算....................................................................................................................113

10.6天車吊裝計(jì)算書........................................................................................................................114

10.6.1吊裝能力驗(yàn)算................................................................................................................114

10.6.2鋼絲繩及卸扣安全性能驗(yàn)算........................................................................................116

10.7地基承載力驗(yàn)算........................................................................................................................117

10.8龍門吊基礎(chǔ)計(jì)算書....................................................................................................................118

10.8.1跨度18m龍門吊基礎(chǔ)計(jì)算(鋼筋加工棚)................................................................118

10.8.2跨度28m、36m龍門吊基礎(chǔ)計(jì)算(預(yù)制場、存梁場)..............................................122

10.8.3預(yù)制蓋梁區(qū)MHG16+16-36、ME100+100-36龍門吊基礎(chǔ)............................................126

10.8.4蓋梁鋼筋加工區(qū)MHG10-32-9、MHG16+16-32-9龍門吊基礎(chǔ)....................................128

10.8.5預(yù)制墩柱區(qū)MHG10-32、ME100+16-36龍門吊基礎(chǔ)....................................................129

11附件........................................................................................................................................................131

1編制依據(jù)

1.1編制依據(jù)

表1.1-1相關(guān)法律、法規(guī)、標(biāo)準(zhǔn)、規(guī)范

序號(hào)類別文件名稱編號(hào)

1《建筑施工起重吊裝工程安全技術(shù)規(guī)范》JGJ276-2012

2《起重機(jī)械安全規(guī)程第五部分:橋式和門式起重機(jī)》GB6067.5-2014

3《起重機(jī)設(shè)計(jì)規(guī)范》GB/T3811-2008

4《通用門式起重機(jī)》GB/T14406-2011

5國家行《起重設(shè)備安裝工程施工及驗(yàn)收規(guī)范》GB50278-2010

6業(yè)規(guī)范《重要用途鋼絲繩》GB8918-2006

7《電氣裝置安裝工程起重機(jī)電氣裝置施工及驗(yàn)收規(guī)范》GB50256-2014

8《起重機(jī)試驗(yàn)規(guī)范和程序》GB/T5905-2011

10《建筑施工高處作業(yè)安全技術(shù)規(guī)范》JGJ80-2016

13《施工現(xiàn)場臨時(shí)用電安全技術(shù)規(guī)范》JGJ46-2005

14《中華人民共和國安全生產(chǎn)法》/

15法律法《建設(shè)工程安全生產(chǎn)管理?xiàng)l例》/

16規(guī)《生產(chǎn)安全事故報(bào)告和調(diào)查處理?xiàng)l例》/

17《公路水運(yùn)工程安全生產(chǎn)監(jiān)督管理辦法》/

20合同工程施工承包合同以及相關(guān)協(xié)議/

21設(shè)計(jì)文濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程設(shè)計(jì)圖紙/

22件圖紙會(huì)審文件/

23濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程第一期項(xiàng)目招標(biāo)文件/

24招投標(biāo)濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程第一期項(xiàng)目投標(biāo)文件/

25文件濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程第二期項(xiàng)目招標(biāo)文件/

26濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程第二期項(xiàng)目投標(biāo)文件/

企業(yè)管

27《中建八局標(biāo)準(zhǔn)化管理手冊(cè)》2023版

理文件

國家及地方頒布的其他與本工程施工有關(guān)的法律、法規(guī)、規(guī)

其他文范性文件;交通運(yùn)輸部頒發(fā)的現(xiàn)行設(shè)計(jì)規(guī)范、施工技術(shù)規(guī)范、

28/

件技術(shù)規(guī)程、質(zhì)量檢驗(yàn)評(píng)定標(biāo)準(zhǔn)及驗(yàn)收辦法;其他與本工程有

關(guān)的相關(guān)規(guī)定

1.2編制目的

規(guī)范龍門吊安拆工藝,明確各工序施工方法和步驟,規(guī)范施工行為。制定各項(xiàng)安全

質(zhì)量保證措施規(guī)避施工風(fēng)險(xiǎn),確保施工順利完成。

1

2工程概況

2.1工程簡介

表2.1-1工程建設(shè)概況

工程名稱工程地址

建設(shè)單位合同額88567.58萬元

設(shè)計(jì)單位總里程/km3.67

勘察單位質(zhì)量/

監(jiān)理單位合同工期/

總承包單位安全/

主要功能或

城市快速路兼一級(jí)公路

用途

2.2設(shè)計(jì)概況

2.2.1設(shè)計(jì)概況

濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程VI標(biāo)全長1.82km,橋梁工程采用主線高架形

式。起終點(diǎn)樁號(hào)K41+997.000~K43+818.000,本段西起黃屯互通、東至荊州路,標(biāo)準(zhǔn)橋

寬25.68m和26.88m,橋梁面積約為4.73萬㎡。

濟(jì)寧至曲阜快速路(兼一級(jí)公路)工程Ⅶ標(biāo)主線全長1.85km,橋梁工程采用橋梁工

程采用主線高架形式。起終點(diǎn)樁號(hào)K43+818.000~K45+666.000,本段西起荊州路、東至

迎春路,標(biāo)準(zhǔn)橋?qū)?5.98m和33.68m。匝道全長約0.42km,準(zhǔn)橋?qū)?.8m。

工程建設(shè)內(nèi)容主要包括主線高架、地面道路、排水工程、交安工程、電氣預(yù)埋工程、

監(jiān)控預(yù)埋工程、安全防護(hù)預(yù)埋等工程內(nèi)容。根據(jù)周邊建設(shè)條件,本項(xiàng)目需自建預(yù)制梁場

及下部構(gòu)件預(yù)制場,預(yù)制梁場分為A區(qū)、B區(qū)、C區(qū)、鋼筋加工廠,預(yù)制梁場下部結(jié)構(gòu)預(yù)

制場分為墩柱預(yù)制區(qū)、蓋梁預(yù)制區(qū),各區(qū)域布置詳見施工平面布置圖。根據(jù)吊裝需求場

區(qū)內(nèi)需設(shè)置龍門吊,各構(gòu)件預(yù)制區(qū)域吊裝重量如下表所示。

表2.2-1吊裝重量一覽表

區(qū)域吊裝材料最大重量

鋼筋11.5t

梁場A、B區(qū)

中梁113t

鋼筋14.5t

梁場C區(qū)

邊梁129t

鋼筋10.85t

蓋梁區(qū)

蓋梁186t

鋼筋6.6t

墩柱區(qū)

墩柱69.3t

2

2.2.2龍門吊結(jié)構(gòu)

1、龍門吊主要由下橫梁、支腿、主梁、起重小車、司機(jī)室、電氣室、主電纜、控制

電纜等部件組成。

2、下橫梁:其重要性能是支撐上部結(jié)構(gòu)件的鋼構(gòu)件,同時(shí)又有行走驅(qū)動(dòng)電機(jī),可供

使整臺(tái)門式門吊左右行走。到達(dá)指定位置,完成不同位置的工作內(nèi)容。

3、支腿:主要作用是連接、支撐主梁和行走梁的鋼構(gòu)件,其自身設(shè)計(jì)比較穩(wěn)定不易

變形。

4、主梁:其在整個(gè)門式門吊主要是供起重小車前后行走移動(dòng)的鋼構(gòu)件,因其上部安

裝的有行走軌道,起重小車可到達(dá)制動(dòng)的任何位置。

5、起重小車:在整個(gè)門式門吊,在起重小車內(nèi)安裝有最大功率的起重電機(jī)、鋼絲繩

卷筒、鋼絲繩、起重制動(dòng)器、減速箱、行走電機(jī)、行走制動(dòng)器、行走減速箱、行走輪對(duì)、

鋼構(gòu)框架等。

6、司機(jī)室:電氣控制部位,控制整臺(tái)門式起重的整體位置及協(xié)調(diào)性。

7、主電纜:驅(qū)動(dòng)電源的連接作用,在電氣室受控制信號(hào)指令后,電氣元件完成動(dòng)作,

主電纜通電使各電機(jī)運(yùn)轉(zhuǎn)。

8、控制電纜:其主要功能是傳遞控制信號(hào)到各個(gè)電氣元件。

圖2.2.2-1電動(dòng)葫蘆門式起重機(jī)大樣圖

3

圖2.2.2-2通用門式起重機(jī)大樣圖

2.2.3危大工程特點(diǎn)

據(jù)《公路工程施工安全技術(shù)規(guī)范》JTGF90-2015要求,采用非常規(guī)起重設(shè)備、方法,

且單件起吊重量在100kN及以上的起重吊裝工程;起吊重量在300kN及以上的起重設(shè)備

安裝、拆卸工程為超過一定規(guī)模的危大工程。

本工程龍門吊主梁安裝采用非常規(guī)起重方法(雙機(jī)抬吊),且單件起吊重量為

100KN-375KN,滿足超過一定規(guī)模的危大工程要求;本項(xiàng)目共有7臺(tái)起吊重量在300kN以

上的龍門吊安裝、拆卸工程,該項(xiàng)滿足超過一定規(guī)模的危大工程要求。

2.3主要工程數(shù)量表

表2.3-1主要工程數(shù)量一覽表

序號(hào)項(xiàng)目規(guī)格單位備注

箱梁區(qū)鋼筋加工場鋼

1電動(dòng)葫蘆門式起重機(jī)MHD10-18臺(tái)2

筋吊運(yùn)

2通用門式起重機(jī)MELQ100+100/10-36臺(tái)2箱梁AB區(qū)運(yùn)梁、存梁

箱梁AB區(qū)鋼筋,小型

3電動(dòng)葫蘆門式起重機(jī)MHEzn10+10-36臺(tái)4

構(gòu)件吊運(yùn)

4電動(dòng)葫蘆門式起重機(jī)MGH98/10-28臺(tái)2箱梁C區(qū)運(yùn)梁、存梁

箱梁C區(qū)鋼筋,小型

5電動(dòng)葫蘆門式起重機(jī)MHD10-28臺(tái)2

構(gòu)件吊運(yùn)

6電動(dòng)葫蘆門式起重機(jī)MHG10-32臺(tái)3墩柱蓋梁鋼筋吊裝

7電動(dòng)葫蘆門式起重機(jī)MGH100+16-36臺(tái)1墩柱吊裝

8電動(dòng)葫蘆門式起重機(jī)MHEG16+16-36臺(tái)1蓋梁鋼筋吊裝

9電動(dòng)葫蘆門式起重機(jī)MHEG16+16-32臺(tái)1蓋梁鋼筋吊裝

10通用門式起重機(jī)ME100+100/10-36臺(tái)1蓋梁吊裝

11合計(jì)臺(tái)19

表2.3-2MHD10T-28M門式起重機(jī)技術(shù)參數(shù)表

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