管线综合支吊架实施做法的案例分享 [课程编码2265]

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来源网络整理，如有侵权联系删除jhyfradzkjsrxulgqpfkewryxqath

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* ?6 X' W" Y; \3 }: n源于山西四建集团赵鹏，分享管线综合支吊架做法案例，供大家参考借鉴。本工程机电专业包含30余个系统，管廊管线多达36支，参建单位多、操作水平良莠不齐。若所有参建单位各自为政、只考虑各自负责专业管线施工，缺乏统一协调管理，必然导致现场凌乱无章，将严重影响施工质量。

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有无综合支架效果对比tiwoqbxbdrrvzl

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管线综合支吊架实施做法的案例分享

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无综合支架VS有综合支架vbxdhnxjlfpksrmc

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为此，项目部运用BIM技术对所有机电管线进行综合排布、策划综合支架方案，并承担本工程综合支架施工。_{gjsvkaeeevsteogdmercdzr}
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（一）

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管线综合排布zvltzmpwvuukjozpxyaktgvljkyxlvatfjvwaizjwtcqychgg

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# ], n7 {% U$ R" C$ S+ L6 }# `) Y运用BIM技术辅助进行管线综合排布。haqezgsrprtcxjyemzptqnhe
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# S" r# A7 `4 l2 q6 ^示例1：此处共有管线36支，层叠密集，综合排布后共分8层，整齐美观。

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管线综合支吊架实施做法的案例分享

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III区2层管线综合排布eicaefdanqfuotvbzonxzymfeq

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/ v$ b, n7 J$ K示例2：此处管线纵横交错，标高重叠，碰撞频繁，综合排布后井然有序。lfjgeykhsrczodghgggpnjjtnxfzrmcwzwajankcaa
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VI区3层管线综合排布jhcbdwtqvssaejhhxbkjziabinhj

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本工程管线综合排布原则：_{vanxgigoiapjhpvsiuivooafifadixyue
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1）预留安装维修空间；tzblriolmfwlnyvynyuwvvtjzqeqm

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4 ^$ h9 r2 m) `1 P  U8 N% ~2）小管让大管、有压管让无压管、低压管让高压管；

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/ ~! {1 @% j+ [3 M3）行程长的管线在上层，行程短的管线在下层；fmicmtodjqzvtwuij
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4）管线阀门并列安装时考虑阀门及法兰保温后的间距；

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9 X) e9 W3 r; T3 f1 O7 v! N5）金属导管和金属槽盒敷设在蒸汽管下方，不小于0.5m，在上方时不小于1.0m；dueoyxvcfvzexaefocgdbol
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6）通信桥架与其他桥架水平间距至少300mm，垂直间距至少300mm，防止磁场干扰；zeabaxvxdzmdfziccoqzwlhpbmlmpcxqtlyregqppuwg

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7）最上层桥架槽盖开启面至少保持50mm垂直净空。

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（二）jhyfradzkjsrxulgqpfkewryxqath

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选型计算xvxyqcjlaboughxfqeqmrmdusvvhbxgbolppwndwukb

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以II区2层为例，依据管线综合排布策划综合支架方案。

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管线综合支吊架实施做法的案例分享cvhhtcnlldbsrdzgxhyuqrypxzkgmc

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II区2层管线综合排布

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1.初步选择支架型钢，策划综合支架方案，创建支架三维模型。

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管线综合支吊架实施做法的案例分享wlrwewsuuxxwkl

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2.计算每处节点受力（=管道自重+满水水重+保温层重+保护层重），管道长度按4.5m计算。ppfurdolsxcihxcqumidvawvupldqbhpvfxeabwskccobfes

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管线综合支吊架实施做法的案例分享npfouzbrjcxzoeb

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2 m/ \. i& c( r# A3.对支架进行受力分析。hrinewegzulhqishuexpggdnfzogovvmzmmvaz
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  O# z3 W% `2 [" H4 P, Z4 B支架下三层占整体质量的95.5%，为方便计算，以下三层为模板创建力学模型。kloxixidivahz
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管线综合支吊架实施做法的案例分享

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; z8 U7 ^" g( v4.拟定计算参数。zyotstdrvtigtwxqgv
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  {) n! m: o' c/ r9 m2 k* Y( ^1 c1）荷载放大系数：1.5；受拉杆件长细比限值：300；受压杆件长细比限值：150；横梁挠度限值：1/200。

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& r" v" P9 e5 [* [/ u9 a2）设计资料

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材质：Q235-B；fy=235.0N/mm²；f=215.0N/mm²；fv=125.0N/mm²；梁跨度：l0=3.51m；梁截面：[16b；强度计算净截面系数：1.00。krqlteizthsfxvenzzchktiedoirfzedu
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+ l: u/ Y* }9 B! x) f3）参考标准与规范：_{mycibbbhddalvdhsudgnmlmdrizpqzpdschowbicipgel}
. x0 }( ?+ v4 b( L2 j《建筑结构荷载规范》《钢结构设计规范》《混凝土结构设计规范》_{nwyuifxueuuyytqxarbju}
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) m; B+ S/ h2 I; {7 a6 d- @5. 校核支架型钢及焊缝强度，经济选型综合支架型钢。fpmohjvtsr
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1）计算单工况作用下截面内力（轴力拉为正、压为负）kloxixidivahz
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3 T! E7 H" P; P, O# ?8 B2）计算荷载组合下最大内力= 1.2x恒载 + 1.4x活载gxwqzvwmdkjomdbzgfaqatfoxlss
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3）计算抗弯强度

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管线综合支吊架实施做法的案例分享ndqcgyfgpoulaojjkfwdzc

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3 Z, _1 Z/ B1 u/ d1 h: \! q4）计算抗剪强度_vjkmvrrwuepy
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管线综合支吊架实施做法的案例分享rdvtvxaphwenzluxltdwvonicksgkqdj

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5）计算梁上翼缘受集中荷载lnsvfxgzemkmrgjlgdoyioi

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管线综合支吊架实施做法的案例分享

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" U- ~$ U2 }9 [; X! v$ H. ]3 P/ g6）折算应力

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管线综合支吊架实施做法的案例分享dbpckhwntalpcbvpvzxqzihemnhtalnrficoimarjbpbvzww

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7）计算节点焊缝节点处受力。经计算弯矩：0.31kN.m；剪力：0.71kN；轴力：65.33kN。采用E43型手工焊，焊缝的强度设计值ff=160.0 N/mm²。

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弯矩产生的应力yibtfayfsoakomtvyyrdgiekdxbangopfjkj
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管线综合支吊架实施做法的案例分享

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剪力产生的应力bzpuopqvqgsiclmobqfojlppuj

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管线综合支吊架实施做法的案例分享zhtqqrbtdeioc

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0 ^' _% O* F! y5 n$ d轴力产生的应力

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管线综合支吊架实施做法的案例分享

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折算应力

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管线综合支吊架实施做法的案例分享cnmvdbpfewevqzhswcevhkvidssevtw

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以上结果均小于焊缝强度设计值时满足要求。

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6. 将支架荷载逐一分配到各型材构件，汇总出锚栓所在受力，结合螺栓的允许设计强度值选定所用锚栓的类型、规格和数量。

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; S$ a( n; N1 l" g( Q& @6 N2 Q由计算得每根支架立柱最大轴力N=65.331KN，当砼强度为C30时，M16X110抗剪设计值V=14460N，抗拉设计值F=21010N。只承受剪力时：每根立柱需要的膨胀螺栓的数量n=N/V=65.331/14.460=4.52=5条；只承受拉力时：每根立柱需要的膨胀螺栓的数量n=N/F=65.331/21.01=3.11=4条。由此确定膨胀螺栓规格及数量。

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7. 邀请设计院对结构进行弯矩和剪力校核。dvmnqfknxwbxsashvoghcwsbmz
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管线综合支吊架实施做法的案例分享

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（三）

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模拟试验atrdtjbiawnvupjddzvbsghqv

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管线综合支吊架实施做法的案例分享wmrrdfdbfpvisrwllnxqppcybntnhwuxxlftmethovnplvldbp

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2. 出具检验报告。bzpuopqvqgsiclmobqfojlppuj
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管线综合支吊架实施做法的案例分享dtetgvzymyzapddlfxwnmfcgkmub

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（四）

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策划综合支架方案（附计算书及试验报告），经建设、监理单位批准后实施。

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管线综合支吊架实施做法的案例分享cvhhtcnlldbsrdzgxhyuqrypxzkgmc

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综合支架施工方案zvltzmpwvuukjozpxyaktgvljkyxlvatfjvwaizjwtcqychgg

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（五）

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过程控制ismfegvyenqebmwuugswvmbajhwgkccuzyblsly

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1.大规模门型支架调直装置

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( }! k0 E; f4 V5 C7 R综合支架普遍采用[14、[16制作安装，跨度大于3m，部分超过6m；立柱长度大于4.5m、部分达到6m；层数均在5层以上，单体重量高达1.4t。

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在施工过程中存在以下问题：_{yjkeiedzmttdtwaqlelcfobrmeaytveuqhd}
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+ ~8 ~' `% r3 M- L: N1）支架立柱长，易变形扭曲；

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2）支架层数多，焊口密集、焊接应力集中，容易产生焊接变形。

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2 A# V; m, B# R, P* K; v7 T/ E. }以上问题可能导致支架安装完成后产生局部变形，影响整体布局美观。

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管线综合支吊架实施做法的案例分享

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管线综合支吊架实施做法的案例分享hkmtixtpxdxkqdqqsehntzujismucluhcvkui

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原理图

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9 n0 s  T1 J" q' `限位装置采用[20制作，一侧开140X140方形口，一侧开165X120矩形口；槽钢长度据实确定，需保证方管与支架距离略大于千斤顶本体长度，小于千斤顶行程和本体长度之和。ewhpkegynembpapoxzcshkv
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组件1 限位装置俯视图ryrsmtmrojbybatplhjfwxpdnfmxqddiqukv

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敞口一侧钻Ф30圆孔，穿入Ф25螺纹钢限制支架与限位装置的相对位移；附近焊接Ф20螺帽，调直前后千斤顶不受力时，拧紧螺栓可以防止调直器坠落。

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管线综合支吊架实施做法的案例分享iyfiojhfqhnyxeqmswftabgeexkxzapgngnulhinzrw

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组件1 限位装置侧视图

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管线综合支吊架实施做法的案例分享mpssqwcblooivnxvikuqbpczrjbhyngnofwlnpukb

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组件2 支撑装置

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管线综合支吊架实施做法的案例分享arxtgzarbeikophqjpdsh

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操作步骤pkhsquosxzkcltabaaktoxp

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管线综合支吊架实施做法的案例分享fpkbxxbtlqyautaugiohygodbraogcoveimva

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9 C& \  j' w, P: E' |5 Y6 L  m1）凝结水导向管座：圆管上焊接钢板作为支撑立板，将矩形管切割后倒置作为限位装置，不锈钢立板与管道满焊，矩形管与底板之间衬聚四氟乙烯板减小摩擦系数并隔热。ejvawvpcgfxqgzh

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管线综合支吊架实施做法的案例分享

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模型图及现场图

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- p, b  i+ Q% f& d2）蒸汽导向管座zjgnfvpjjrpkpmzlikfeg
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管线综合支吊架实施做法的案例分享xvcaibxncfc

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三维模型图

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管线综合支吊架实施做法的案例分享

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定制加工图ryrsmtmrojbybatplhjfwxpdnfmxqddiqukv

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管线综合支吊架实施做法的案例分享

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管线综合支吊架实施做法的案例分享zykzpudldmdsgjstdiercltdew

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制冷站机组立管支架

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立管与水平管共用支架，主立管支架兼顾分支管道支架。

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管线综合支吊架实施做法的案例分享ciiwomitsyzbzuityooiryuutrwhjdgob

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工程实施效果欣赏

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管线综合支吊架实施做法的案例分享

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管线综合支吊架实施做法的案例分享iyfiojhfqhnyxeqmswftabgeexkxzapgngnulhinzrw

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管线综合支吊架实施做法的案例分享vikawxwhvhxrtzukefiwcyjfoacvwtgvaubskazmcvitpem

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