CN107542268A - The reverse construction method of installation of stage steel construction in a kind of grand theater room - Google Patents

The reverse construction method of installation of stage steel construction in a kind of grand theater room Download PDF

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Publication number
CN107542268A
CN107542268A CN201710918976.0A CN201710918976A CN107542268A CN 107542268 A CN107542268 A CN 107542268A CN 201710918976 A CN201710918976 A CN 201710918976A CN 107542268 A CN107542268 A CN 107542268A
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CN
China
Prior art keywords
steel
construction
installation
support
lattice column
Prior art date
Application number
CN201710918976.0A
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Chinese (zh)
Inventor
孙晓伟
高凡
朱美玉
Original Assignee
中建五洲工程装备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201710918976.0A priority Critical patent/CN107542268A/en
Publication of CN107542268A publication Critical patent/CN107542268A/en

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Abstract

The invention discloses a kind of reverse construction method of installation of stage steel construction in grand theater room, comprise the following steps:(1)BIM sunykatuib analyses;(2)Measurement prepares;(3)Installation of embedded parts;(4)Set up support system;(5)Stage roofing layer girder steel and davit preassembling;(6)Stage roofing layer steel girder erection;(7)Stage machinery technique Steel Structure Installation;(8)Set up the unloading and dismounting of support system;(9)Steel structure coating.This construction method, is modeled using BIM, and steel construction is carried out to install simulation and force analysis, more scientific, economic technical scheme may be selected, and finds and solve in advance quality, the safety problem that may occur, and is ensured construction quality, is reduced cost, shortens the duration.

Description

The reverse construction method of installation of stage steel construction in a kind of grand theater room
Technical field
The invention belongs to technical field of building construction, and in particular to the reverse installation of stage steel construction in a kind of grand theater room Construction method.
Background technology
It is mostly hanging steel construction under multilayer superelevation in existing grand theater room, its stage roofing uses steel construction and concrete Combination is formed.Under multilayer superelevation in hanging Construction of Steel Structure, have that span is big, bearing height needed for installation is high, installation process Lack working face, crossings on different level construction is complicated, and installation accuracy requires the features such as higher.
Such as:The grand theater construction of Guangxi cultural art center construction project, need to be from the building process of stage roofing Full hall scaffold is set up at -17.0m the absolute altitudes of sole plate face, bearing height needed for installation needs many branch more than 50m Steel pipe is supportted, not only waste of materials, and cumbersome, long in time limit, safety management risk height of constructing.
In addition, in the erection construction of traditional grand theater from bottom to top, top steel structure system is present caused by deformation Residual stress, and complex procedures, cycle are longer.
The content of the invention
Goal of the invention:In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide stage steel in a kind of grand theater room The reverse construction method of installation of structure, backward installation is carried out, residual stress caused by deformation can be evaded, ensure stage construction precision Requirement.
Technical scheme:The reverse construction method of installation of stage steel construction in a kind of grand theater room of the present invention, to big acute Institute's stage roofing layer girder steel takes reverse construction and installation, sets up the bottom-up installation of support system, it is characterised in that including as follows Step:
(1)BIM sunykatuib analyses
BIM modelings are carried out to grand theater civil engineering and indoor steel construction, installation to stage roofing layer girder steel and its built with setting up Support system is simulated and force analysis;
(2)Measurement prepares
Construction survey, it is determined that setting up the coordinate position of support system;
(3)Installation of embedded parts
In civil engineering bar-mat reinforcement process of binding, required according to design drawing, built-in fitting is buried according to drawing position and location dimension In on beam column;
(4)Set up support system
Using some first lattice columns as ground supports system, and company is fixed with the built-in fitting on cable rope and beam column by drawing Connect;
Cross-brace beam is set up in the first lattice column upper horizontal, the supporting table formed with cross-brace beam and longitudinal concrete beam Conversion platform is laid on face, builds the second lattice column vertically on conversion platform, second lattice column is in stage roofing layer steel In the segmentation installation of beam, support steel beam is played, and realizes that unloading paragraph by paragraph promotes the effect of installation;
(5)Stage roofing layer girder steel and davit preassembling
According to construction characteristic, with reference to transport vehicle transport capacity and on-site hoisting operating mode, in the girder steel Deepen Design stage, girder steel is closed Reason segmentation;
Then, temporary support support jig is set at the scene;
After main structure construction is completed and reaches intensity requirement, stage roofing layer girder steel and davit preassembling are carried out on ground, And by davit node weld on girder steel;
(6)Stage roofing layer steel girder erection
The girder steel after segmentation is lifted using tower crane, according to the segments of girder steel, second lattice column is correspondingly arranged and does Support, and unloading paragraph by paragraph is realized, the purpose of installation girder steel is promoted successively;
(7)Stage machinery technique Steel Structure Installation
Grid, pulley layer steel construction are installed;
Using manually with installing stage machinery technique steel construction by the way of mechanical engagement;
Lay packway;
(8)Set up the unloading and dismounting of support system
Indoor girder steel unloading is unloaded using jack method, i.e.,:Each placement one can be held before and after the second lattice column position By the screw jack of the vertical active force of girder steel, welded on the component of screw jack termination it is anti-slip use block, and discharge Horizontal displacement;
Before unloading, screw jack is first withstood into girder steel, cuts off the second lattice column;
Indicated according to unloading, shake screw jack and unloaded;
Steel girder erection is removed the lattice column for setting up support system after completing acceptance(check), with tower crane by lattice column from pre- Box out mouth is transported to outside, steel construction stockyard, is then transported by flat car;
(9)Steel structure coating.
Further, in step, built-in fitting is buried as follows:
It is welded in using shaped steel or reinforcement fabrication fixed support, and by the fixed support on bar-mat reinforcement;
The built-in fitting is welded on fixed support;
Review is measured to built-in fitting burial place;
Carry out pouring concrete construction.
Further, the built-in fitting can use shearing resistance in embedded part on drawing embedded part, concrete bracket or secondary beam embedded part Any one.
Further, it is the first lattice column in step is fixed vertically by arrangement and method for construction, and taken between the first lattice column If truss is as cross-brace;
Described cable rope one end is fixed at the top of the first lattice column, the other end is fixedly connected with the built-in fitting on beam column, to protect Demonstrate,prove lateral stability of first lattice column in work progress and improve its security;
Afterwards, in the horizontal fixed cross-brace beam of the first lattice column top surface, for supporting conversion platform;
Conversion platform is laid and is fixed on the supporting bable tops of cross-brace beam and longitudinal concrete beam composition;
Tubular pillar is held out against and is supported in conversion platform bottom surface, and is distributed in conversion platform surrounding;
Second lattice column is vertically arranged on conversion platform, in the segmentation installation of girder steel, plays support steel beam, and realize piecewise Unloading promotes the effect of installation;
To ensure structure safety, the monitoring to support load and support level displacement, every 3 days inspection floorings are increased in work progress Whether support system position civil engineering structure is safe, and whether downwarp is excessive for flooring, and whether floor and beam ftracture;
Every the horizontal displacement supported using each lattice column of total powerstation repetition measurement in 3 days and check that the work of miscellaneous part is during installation It is no normal, and carry out inspection record.
Further, the cross-brace beam is box-girder
Beneficial effect:
(1)This technology is suitable for span is big, lower support height is high, working face is less, and installation accuracy requires higher multilayer Hanging Construction of Steel Structure under superelevation;
(2)This construction method, is modeled using BIM, and steel construction is carried out to install simulation and force analysis, may be selected it is more scientific, Economic technical scheme, and quality, the safety problem that may occur are found and solve in advance, construction quality is ensured, reduces cost, Shorten the duration;
(3)Superelevation support, reverse crossings on different level construction can be realized, the installation of more conventional order, can be evaded residual caused by deformation Residue stress, realize interchange operation, the technological requirement reduce working face demand, improve work efficiency, meeting stage construction;
(4)Using lattice column as support system, rather than full hall scaffold is set up, more rapidly and effectively it can set and remove Support system is set up, reduces the labour cost set up and removed, shortens the duration, increases economic efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the schematic diagram that the present invention sets up support system;
Fig. 3 is the enlarged drawing of the first lattice column of the invention;
Fig. 4 is the berm structure schematic diagram of the present invention;
Fig. 5 is structural representation of the shearing resistance to drawing embedded part of the present invention;
In figure:The lattice columns of 1- second, 2- conversion platforms, the lattice columns of 3- first, 4- truss, 5- cable ropes, 6- shearing resistances to draw embedded part, 7- packways.
Embodiment
Technical solution of the present invention is described in detail below by accompanying drawing, but protection scope of the present invention is not limited to The embodiment.
Embodiment 1:The reverse construction method of installation of stage steel construction in a kind of grand theater room, to grand theater stage roofing layer Girder steel takes reverse construction and installation, sets up the bottom-up installation of support system, comprises the following steps:
(1)BIM sunykatuib analyses
BIM modelings are carried out to grand theater civil engineering and indoor steel construction, installation to stage roofing layer girder steel and its built with setting up Support system is simulated and force analysis;
After sunykatuib analysis, into the construction stage, before construction, it is necessary to ensure that steel member has completed censorship and qualified in advance, and Material, component, machinery needed for construction have been marched into the arena;
(2)Measurement prepares
Construction survey, it is determined that setting up the coordinate position of support system;
(3)Installation of embedded parts
In civil engineering bar-mat reinforcement process of binding, required according to design drawing, built-in fitting is buried according to drawing position and location dimension On beam column;
To prevent built-in fitting to be subjected to displacement in concrete placement, later stage Steel Structure Installation is adversely affected, buried During need that built-in fitting and template is fixed, be specially:
It is welded in using shaped steel or reinforcement fabrication fixed support, and by the fixed support on the bar-mat reinforcement of beam column, preferably, institute Fixed support is stated to be welded with the main reinforcement on bar-mat reinforcement;
The built-in fitting is welded on fixed support;
After built-in fitting positioning, review is measured to built-in fitting burial place, is meeting that job specfication and design permission are inclined After difference requires, transfer next procedure and carry out pouring concrete construction;
The built-in fitting can use any one of shearing resistance to drawing embedded part 6, on concrete bracket in embedded part or secondary beam embedded part, preferably , from shearing resistance to drawing embedded part 6.Because, shearing resistance is to drawing embedded part 6 to have pre-buried convenience, pour specious, applied with civil engineering reinforcing bar The features such as work cross-operation is few, further, optimizes working procedure, reduces the cross-operation time, and do not interfere with coagulation Tu Liang or shear force wall reinforcing steel bar colligation and template laying, improve concrete structure quality and shorten the duration.
(4)Set up support system
It is to four layers of 15.5m absolute altitudes since the -17.0m absolute altitudes of sole plate face, some first lattice columns 3 are vertical by arrangement and method for construction It is fixed, and set up truss 4 between the first lattice column 3 and be used as cross-brace;
It is to ensure lateral stability of first lattice column 3 in work progress and improve its security, all first lattice columns 3 are set There is drawing cable rope 5, described one end of cable rope 5 is fixed on the top of the first lattice column 3, and the other end is consolidated with the built-in fitting on beam column Fixed connection;
Afterwards, in the horizontal fixed cross-brace beam of the top surface of the first lattice column 3, for supporting conversion platform 2, preferably, institute It is box-girder to state cross-brace beam;
Conversion platform 2 is laid and is fixed on the supporting bable tops of cross-brace beam and longitudinal concrete beam composition;
Tubular pillar is held out against and is supported in the bottom surface of conversion platform 2, and is distributed in the surrounding of conversion platform 2;
Second lattice column 1 is vertically arranged on conversion platform 2, in the segmentation installation of girder steel, plays support steel beam, and realize Unloading promotes the effect of installation paragraph by paragraph;
To ensure structure safety, the monitoring to support load and support level displacement, every 3 days inspection floorings are increased in work progress Whether support system position civil engineering structure is safe, and whether downwarp is excessive for flooring, and whether floor and beam ftracture;
Every the horizontal displacement supported using each lattice column of total powerstation repetition measurement in 3 days and check that the work of miscellaneous part is during installation It is no normal, and carry out inspection record;
(5)Stage roofing layer girder steel and davit preassembling
According to construction characteristic, with reference to transport vehicle transport capacity and on-site hoisting operating mode, in the girder steel Deepen Design stage, girder steel is closed Reason segmentation;
Then, temporary support support jig is set at the scene;
After main structure construction is completed and reaches intensity requirement, stage roofing layer girder steel and davit preassembling are carried out on ground, And by davit node weld on girder steel;
(6)Stage roofing layer steel girder erection
The girder steel after segmentation is lifted using tower crane, according to the segments of girder steel, second lattice column 1 is correspondingly arranged and does Support, and unloading paragraph by paragraph is realized, the purpose of installation girder steel is promoted successively;
(7)Stage machinery technique Steel Structure Installation
Grid, pulley layer steel construction are installed;
Using manually with installing stage machinery technique steel construction by the way of mechanical engagement;
Lay packway 7;
(8)Set up the unloading and dismounting of support system
Unload principle:Indoor steel girder erection is completed using the second lattice column 1 as temporary support structure transition, its vertical direction Power is mainly acted on the second lattice column 1, will not be interacted between adjacent girder steel during unloading, therefore can unload respectively.During unloading, Structure inherently safe need to be ensured, it is ensured that support jig safety;Should be using theoretical calculation according to, using Deformation control as core, with survey Amount monitoring is means, using safety and steady as target;And site operation tissue and operation should be easy to.
Comprise the following steps that:
Indoor girder steel unloading is unloaded using jack method, i.e.,:Each placement one can be held before and after the position of the second lattice column 1 By the screw jack of the vertical active force of girder steel, welded on the component of screw jack termination it is anti-slip use block, and discharge Horizontal displacement;
Before unloading, screw jack is first withstood into girder steel, cuts off the second lattice column 1;
Indicated according to unloading, shake screw jack and unloaded;
Steel girder erection is removed the lattice column for setting up support system after completing acceptance(check), with tower crane by lattice column from pre- Box out mouth is transported to outside, steel construction stockyard, is then transported by flat car;
(9)Steel structure coating.
Wherein:
It is 3000mm* 3000mm that specifications section, which can be selected, in first lattice column 3;
The box-girder that specification is the mm of 500 mm *, 700 mm *, 35 mm * 35 can be selected in the cross-brace beam;
It is the mm of 245 mm * of Φ 12 that specification, which can be selected, in the tubular pillar;
It is 1750mm* 1750mm that specifications section, which can be selected, in second lattice column 1;
It is anti-slip that specification can be selected with block is the mm of 14 mm *, 100 mm * 100;
Screw jack bears the scope of pressure in 10T ~ 50T.
As described above, although the present invention has been represented and described with reference to specific preferred embodiment, but it must not be explained For to the limitation of itself of the invention., can be right under the premise of the spirit and scope of the present invention that appended claims define are not departed from Various changes can be made in the form and details for it.

Claims (5)

1. the reverse construction method of installation of stage steel construction in a kind of grand theater room, grand theater stage roofing layer girder steel is taken inverse To construction and installation, the bottom-up installation of support system is set up, it is characterised in that comprise the following steps:
(1)BIM sunykatuib analyses
BIM modelings are carried out to grand theater civil engineering and indoor steel construction, installation to stage roofing layer girder steel and its built with setting up Support system is simulated and force analysis;
(2)Measurement prepares
Construction survey, it is determined that setting up the coordinate position of support system;
(3)Installation of embedded parts
In civil engineering bar-mat reinforcement process of binding, required according to design drawing, built-in fitting is buried according to drawing position and location dimension In on beam column;
(4)Set up support system
With some first lattice columns(3)For ground supports system, and pass through drawing cable rope(5)Consolidate with the built-in fitting on beam column Fixed connection;
In first lattice column(3)Upper horizontal sets up cross-brace beam, the branch formed with cross-brace beam and longitudinal concrete beam Conversion platform is laid on support table top(2), in conversion platform(2)On build the second lattice column vertically(1), second lattice column (1)In the segmentation installation of stage roofing layer girder steel, support steel beam is played, and realizes that unloading paragraph by paragraph promotes the effect of installation;
(5)Stage roofing layer girder steel and davit preassembling
According to construction characteristic, with reference to transport vehicle transport capacity and on-site hoisting operating mode, in the girder steel Deepen Design stage, girder steel is closed Reason segmentation;
Then, temporary support support jig is set at the scene;
After main structure construction is completed and reaches intensity requirement, stage roofing layer girder steel and davit preassembling are carried out on ground, And by davit node weld on girder steel;
(6)Stage roofing layer steel girder erection
The girder steel after segmentation is lifted using tower crane, according to the segments of girder steel, is correspondingly arranged second lattice column(1) Support, and realize unloading paragraph by paragraph, promote the purpose of installation girder steel successively;
(7)Stage machinery technique Steel Structure Installation
Grid, pulley layer steel construction are installed;
Using manually with installing stage machinery technique steel construction by the way of mechanical engagement;
Lay packway(7);
(8)Set up the unloading and dismounting of support system
Indoor girder steel unloading is unloaded using jack method, i.e.,:In the second lattice column(1)Front and rear each placement one of position can Bear the screw jack of the vertical active force of girder steel, welded on the component of screw jack termination it is anti-slip use block, and release Zoom level displacement;
Before unloading, screw jack is first withstood into girder steel, cuts off the second lattice column(1);
Indicated according to unloading, shake screw jack and unloaded;
Steel girder erection is removed the lattice column for setting up support system after completing acceptance(check), with tower crane by lattice column from pre- Box out mouth is transported to outside, steel construction stockyard, is then transported by flat car;
(9)Steel structure coating.
2. reverse construction method of installation according to claim 1, it is characterised in that:In step(3)In, built-in fitting is by as follows Step is buried:
It is welded in using shaped steel or reinforcement fabrication fixed support, and by the fixed support on bar-mat reinforcement;
The built-in fitting is welded on fixed support;
Review is measured to built-in fitting burial place;
Carry out pouring concrete construction.
3. reverse construction method of installation according to claim 2, it is characterised in that:The built-in fitting can use shearing resistance to drawing Embedded part(6), any one on concrete bracket in embedded part or secondary beam embedded part.
4. reverse construction method of installation according to claim 1, it is characterised in that:By step(4)In the first lattice column (3)It is fixed vertically by arrangement and method for construction, and in the first lattice column(3)Between set up truss(4)As cross-brace;
By the cable rope(5)One end is fixed on the first lattice column(3)Top, the other end is fixed with the built-in fitting on beam column to be connected Connect, to ensure the first lattice column(3)Lateral stability in work progress simultaneously improves its security;
Afterwards, in first lattice column(3)The horizontal fixed cross-brace beam of top surface, for supporting conversion platform(2);
By conversion platform(2)Lay and be fixed on the supporting bable tops that cross-brace beam forms with longitudinal concrete beam;
Tubular pillar is held out against and is supported in conversion platform(2)Bottom surface, and it is distributed in conversion platform(2)Surrounding;
Second lattice column(1)It is vertically arranged at conversion platform(2)On, in the segmentation installation of girder steel, support steel beam is played, and in fact Now unloading promotes the effect of installation paragraph by paragraph;
To ensure structure safety, the monitoring to support load and support level displacement, every 3 days inspection floorings are increased in work progress Whether support system position civil engineering structure is safe, and whether downwarp is excessive for flooring, and whether floor and beam ftracture;
Every the horizontal displacement supported using each lattice column of total powerstation repetition measurement in 3 days and check that the work of miscellaneous part is during installation It is no normal, and carry out inspection record.
5. reverse construction method of installation according to claim 4, it is characterised in that:The cross-brace beam is box-girder.
CN201710918976.0A 2017-09-30 2017-09-30 The reverse construction method of installation of stage steel construction in a kind of grand theater room CN107542268A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643568A (en) * 2018-04-02 2018-10-12 中国十七冶集团有限公司 A kind of Anomalistic space curve combination Construction of Steel Structure method based on BIM
CN108661325A (en) * 2018-04-02 2018-10-16 中国十七冶集团有限公司 A kind of large-scale steel structure rotation ramp inversion construction method based on BIM
CN110258803A (en) * 2019-06-21 2019-09-20 南通大学 A kind of dome steel structure construction method of installation based on BIM technology

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943565A (en) * 2012-11-30 2013-02-27 中国建筑第八工程局有限公司 Construction method of large-sized arc-shaped wall
CN104141383A (en) * 2014-07-16 2014-11-12 北京万兴建筑集团有限公司 Bailey beam suspension formwork supporting system and construction method thereof
CN106894639A (en) * 2017-04-27 2017-06-27 中国建筑第八工程局有限公司 The hanging reverse construction method of installation of steel construction under a kind of

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943565A (en) * 2012-11-30 2013-02-27 中国建筑第八工程局有限公司 Construction method of large-sized arc-shaped wall
CN104141383A (en) * 2014-07-16 2014-11-12 北京万兴建筑集团有限公司 Bailey beam suspension formwork supporting system and construction method thereof
CN106894639A (en) * 2017-04-27 2017-06-27 中国建筑第八工程局有限公司 The hanging reverse construction method of installation of steel construction under a kind of

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108643568A (en) * 2018-04-02 2018-10-12 中国十七冶集团有限公司 A kind of Anomalistic space curve combination Construction of Steel Structure method based on BIM
CN108661325A (en) * 2018-04-02 2018-10-16 中国十七冶集团有限公司 A kind of large-scale steel structure rotation ramp inversion construction method based on BIM
CN110258803A (en) * 2019-06-21 2019-09-20 南通大学 A kind of dome steel structure construction method of installation based on BIM technology

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Application publication date: 20180105