CN101451397A - Steel structure modularization construction process - Google Patents

Steel structure modularization construction process Download PDF

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Publication number
CN101451397A
CN101451397A CNA2007101507583A CN200710150758A CN101451397A CN 101451397 A CN101451397 A CN 101451397A CN A2007101507583 A CNA2007101507583 A CN A2007101507583A CN 200710150758 A CN200710150758 A CN 200710150758A CN 101451397 A CN101451397 A CN 101451397A
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CN
China
Prior art keywords
assembly
steel structure
member
construction process
modularization
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Application number
CNA2007101507583A
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Chinese (zh)
Inventor
索建红
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中冶天工建设有限公司
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Priority to CNA2007101507583A priority Critical patent/CN101451397A/en
Publication of CN101451397A publication Critical patent/CN101451397A/en

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Abstract

The invention relates to modular construction technology for a steel structure, which comprises the following steps: firstly, precisely processing members used by the steel structure in a workshop; secondly, assembling the members into modular assembly units; and thirdly, performing on-scene integral hoisting on the assembled units after assembly by a lifting device, wherein the process of assembling the members into the modular assembly units is completed on the spot, and the process of assembling the on-scene members into the modular assembly units is completed on a group of assembly jigs; and each assembly jig consists of a group of H-shaped steels which are perpendicular to the members and horizontally placed on the ground. The modular construction technology for the steel structure utilizes mature modern large-scale hoisting technology and adopts a modular assembly mode to well solve the problems, is safe and reliable, has high assembly speed, saves machines and tools, is easy to control structural parameters of a size deviation scattering frame, avoids the danger of long-term aloft work, and is ideal novel technology for manufacturing and assembling a large-scale steel structure frame.

Description

Steel structure modularization construction process

Technical field

The invention belongs to the large-sized workshop of building field, the steel structure frame of platform building, particularly relate to a kind of steel structure modularization construction process.

Background technology

In recent years, plurality of advantages such as along with social economy and development of productivity, steel building is few with its floor space, integrated cost is low, speed of application is fast, quality easily guarantees, environmental protection are developed rapidly, are widely used in factory building and high level or heavy construction.Existing steel structure frame work progress is: at first at the used member of processing factory's machined steel structure; And then member transported to adopt behind the job site lifting device to install.And for the factory building of large-scale steel-making of metallurgy industry and ore dressing, the shared building large percentage of its steel work, traditional steel structure frame construction technology then can not satisfy the modern super large of this kind, the requirement of superelevation formed steel construction frame construction, show its many deficiency in work progress: 1. on-the-spot installation amount is big, particularly amount of high-altitude operation is big, causes work progress length consuming time; 2. work high above the ground difficulty height causes frame construction parameter and installation accuracy wayward, is easy to generate dimensional errors, and simultaneously, it is dangerous that long-time work high above the ground has increased construction; 3. facility use amount such as large-scale lifting device is big, expense is high, and high-altitude safe technical measures, construction technical measures expense and labour cost are all very high, have increased construction cost.At present, also have member is carried out the lifting elements assembling at the construction field (site), and then the construction technology of installing, but the assembling of this kind lifting elements only is local little module assembling, can't reach the purpose of effective raising speed of application and reduction construction cost.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and can reduce amount of high-altitude operation significantly, thus the steel structure modularization construction process with advantages such as installation rate piece, installation accuracy height, saving facility, reduction construction danger.

The present invention realizes that the technical scheme that purpose adopts is:

A kind of steel structure modularization construction process, the step of its construction technology is: (1). in the workshop, the used member of steel work accurately processed; (2). component assembly is become the modularization installation unit; (3). the installation unit after adopting lifting device to assembly unit carries out on-the-spot integral hoisting, it is characterized in that: describedly component assembly is become the modularization installation unit finish at the scene, and the process that on-the-spot component assembly becomes the modularization installation unit is to finish on an assembly moulding bed, and this assembly unit moulding bed is perpendicular to member and be placed horizontally at ground H shaped steel and constitute by one group.

And the activities that described member is accurately processed is: the acceptance of materials, ball blast; Setting-out, number material; Cutting; Correct, dig limit component processing; Connect material; Welding; Nondestructive testing; Correct; It is right to organize; Automatically welding; Flaw detection, inspection; Become the assembling of Article Number material; Welding; Number finished product hole; Drilling; The finished product prepackage; Corrosion-proof packing.

And the activities that described on-the-spot component assembly becomes the modularization installation unit is: the assembly unit moulding bed is made; Member is checked; Part is assembled into parts; Size, accuracy checking; Parts and component-assembled; Space orientation, accuracy checking; The assembly unit of many group parts; Dimensional gaughing; Unit splicing; Interface dimensional gaughing in place; Welding; Reinforce.

And the activities that the installation unit of described employing lifting device after to assembly unit carries out on-the-spot integral hoisting is: basic repetition measurement; The basis levelling is handled; Backing plate is in place; The absolute altitude repetition measurement; The element of construction overall dimensions is checked; Lifting component is in place; Verticality, levelness repetition measurement centering; Hidden inspection; Permanent fixing.

And described assembly unit moulding bed upper surface is provided with the horizontal location adjusting device of member.

And described assembly unit moulding bed upper surface is provided with the WidFin device that is positioned at contact surface below, member bottom.

Advantage of the present invention and good effect are:

1. this construction technology is at first finished the accurate manufacturing of used each member of steel work in processing plant, then this member is finished at the construction field (site) the assembly unit of one group of member, form big modular installation unit, utilize the ultra-large type crane gear to overlap installation singly then, this technology makes field erected overhead work amount significantly reduce, improved structure steel fabrication mounting method on the traditional sense, because big module can directly isolate a lot of zones, therefore the isolated zones of different of quilt can be carried out operation separately and is independent of each other.

2. this construction technology can solve the construction of large-scale steel structure member strange land, can't set up steel work processing factory, large-scale component can't transport, problems such as the frequent lifting of large-scale component lifting, but piecemeal decomposes in process, on-site consolidation, integral hoisting, fundamentally solve in processing, transportation, in the hoisting process owing to part produce greatly big, stupid, slow problem, improved and made the efficient that transportation is installed, also satisfy the execution conditions that limited by area and resource simultaneously, be mainly used in the construction of large-scale steel structure factory building and platform steel work, realize that making transportation installation is integrated and form certain management system and pattern is applied in the construction, improved the process of productivity promotion construction reference equalization.

3. the ripe modern large-scale hoisting technology of steel structure modularization construction process utilization of the present invention, employing modularization mounting means have solved this problem well, modularization construction process technical requirements height, safe and reliable, installation rate be fast, save facility, dispersion size deviation frame construction parameter is easy to control, the danger of work high above the ground is a kind of more satisfactory large-scale steel structure frame manufacture novel process for installing when avoiding long.

Description of drawings

Fig. 1 is member processing process figure of the present invention;

Fig. 2 is a component assembly process chart of the present invention;

Fig. 3 is installation unit flow of installation figure of the present invention;

Fig. 4 is the big steel column on-site consolidation schematic diagram of component assembly embodiment of the present invention;

Fig. 5 is big steel column assembly unit principle elevational schematic view;

Fig. 6 a is a big steel column assembly unit principle vertical view (before the assembly unit);

Fig. 6 b is a big steel column assembly unit principle vertical view (after the assembly unit).

The specific embodiment

Below embodiments of the invention are further described, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.

A kind of steel structure modularization construction process, this construction technology may further comprise the steps:

(1). in the workshop the used member of steel work is accurately processed, its activities is: the acceptance of materials, ball blast; Setting-out, number material; Cutting; Correct, dig limit component processing; Connect material; Welding; Nondestructive testing; Correct; It is right to organize; Automatically welding; Flaw detection, inspection; Become the assembling of Article Number material; Welding; Number finished product hole; Drilling; The finished product prepackage; Corrosion-proof packing.

Its critical process comprises:

A. equitable subsection piecemeal, strict blank size precision.The segmentation piecemeal of scientific and reasonable definite member, its principle are to help the control of precision and measure accurate; Modularization making is blanking in batches as far as possible, and size settles at one go, reduces to cut index word, adopts the computer setting-out to guarantee dimensional accuracy, the dimensional accuracy of selecting for use advanced cutting tool and qualified measuring apparatus to guarantee blanking simultaneously.

B. optimize welding procedure, the control welding deformation amount.For guaranteeing welding quality, the accurately predicting welding deformation, thus the difficult point of structure steel fabrication mounting structure safety solved, the welding stress when the following method of this process using: a. takes reasonable reinforcement measure to obstruct welding, reduce welding contracted quantity, it is controlled in the allowed band; B. formulate rational welding, avoid as far as possible welding local or certain a bit, should symmetry evenly disperse during welding, branch after the first main body, can balanced welding one side welding not, the control welding current is suitable little little, finishes fast; C. the control member group reduces weld shrinkage to the gap; D. take heat straightening and gagging to handle deformation element, adopt flame heat to correct, also can adopt machinery to correct the purpose that all can reach rectification.

C. the segmentation piecemeal is pre-installed, and guarantees the globality of installing.The member that the segmentation piecemeal is made must carry out pre-assembly unit before dispatching from the factory, its assembly unit size is controlled in strictness, guarantees the precision of interface, the precision of locating hole, thereby the globality of the location relative accuracy control structure in high-strength bolt hole.

D. scientific and reasonable solution ambient temperature effect.Must consider ambient temperature during making, environment temperature when considering to install simultaneously, therefore must understand the temperature contrast of fabrication and installation two places, understand temperature contrast by meteorological data and determine its making surplus, especially the member that connects of high-strength bolt, its error does not allow to surpass 2mm, when mounted, interface guarantees that as far as possible ambient temperature difference is little, otherwise assembly unit and installation temperature influence deviation are bigger.

(2). on-the-spot component assembly becomes the modularization installation unit, and its activities is: the assembly unit moulding bed is made; Member is checked; Part is assembled into parts; Size, accuracy checking; Parts and component-assembled; Space orientation, accuracy checking; The assembly unit of many group parts; Dimensional gaughing; Unit splicing; Interface dimensional gaughing in place; Welding; Reinforce.

On-the-spot component assembly becomes the process of modularization installation unit to finish on an assembly moulding bed 1, and existing is that example describes with big steel column on-site consolidation, as shown in Figure 4, the assembly unit moulding bed by one group perpendicular to member and be placed horizontally at ground H shaped steel and constitute.This assembly unit moulding bed upper surface is provided with the micromatic setting of member, comprise symmetrically arranged horizontal location adjusting device 4, this horizontal location adjusting device comprises that the horizontal adjusting bolt 6 that the position block 5 that is installed on the moulding bed frange plate and screw thread are installed on the position block constitutes, this horizontal adjusting bolt can be finely tuned in the member horizontal direction, promptly its straightness accuracy is finely tuned, it adjusts the reach that shift length depends on this horizontal adjusting bolt; Comprise that also one is arranged at assembly unit moulding bed upper surface and is positioned at the WidFin device 7 of contact surface below, member web bottom, this WidFin device is a miniature jackscrew that vertically is provided with, and it can be that its levelness is finely tuned to member in vertical direction.

The assembly unit process of steel column is: the single member 2 that needs is assemblied into installation unit adopts mobile crane 3 to be placed on one by one between one group of horizontal location conciliation retaining on the moulding bed; And adopting the interim connecting bolt 9 of some that side connecting plate 10, web junction plate 11 outside the steel column edge of a wing are connected with steel column frange plate 8 and web 12 respectively temporarily, side connecting plate and web junction plate are single relatively setting outside the edge of a wing of two steel column butt joint ends; Adjacent two sections steel columns at first carry out the centering along its length direction, carry out the centering along its width again, adopt symmetrically arranged bearing pin 14 and interim bolt location centering then, finish the steel column butt joint precision and slightly look for; Side connecting plate 13 in the assembling steel column edge of a wing; The micromatic setting that employing is arranged on the assembly unit moulding bed is necessarily finely tuned in vertical direction and horizontal direction member, finishes the steel column butt joint essence and looks for; Interim connecting bolt is replaced with high-strength bolt to carry out end and twists; Carry out interface dimensional gaughing in place, welding, reinforcing at last, finish the operation of segmented assembly.

Big steel column through optimizing sectional making, can overcome when making in the fabricating yard because of the difficult control of member large scale, difficulty is stood up, lifting capacity is not enough factor when adopting modular construction, overcomes the problem of the difficult transportation of back member super-long and super-wide of dispatching from the factory.

(3). the installation unit after adopting lifting device to assembly unit carries out on-the-spot integral hoisting.Its activities is: basic repetition measurement; The basis levelling is handled; Backing plate is in place; The absolute altitude repetition measurement; The element of construction overall dimensions is checked; It is in place to adopt large-scale crawler crane to carry out lifting component; Verticality, levelness repetition measurement centering; Hidden inspection; Permanent fixing.

The member piecemeal is made, is assembled into the modularization construction process that integral unit is installed, also applicable to steel crane beam modular construction, roof purline modular construction and the modular construction of steel skylight etc.Steel crane beam and accessory system are assemblied into integral body lift, reduce work high above the ground, overcome crane and frequently play hook, the input accelerating construction progress of minimizing personnel machinery.Because roof purline can't be assembled into integral body and install, and can only lift it as scattered piece, adopts a hook method of hanging to install more, and some purlin bunchiness are once lifted successively.Because window member comparatively scattered and steel skylight in roofing steel sky is installed in the roofing highest point, the frequent risk of work high above the ground is bigger, it is assemblied into integral body lifts and can overcome large-scale crane and frequently play hook, reduces taking big machinery when installing for a long time.

Construction technology of the present invention can improve construction precision, shorten the engineering time, reduce operating expenses (as: crawler crane One-Shift Costs, high-altitude safe technical measures and construction technical measures expense and saving high-altitude labour cost etc.), thereby can significantly increase economic efficiency, be with a wide range of applications.

Claims (6)

1. steel structure modularization construction process, the step of its construction technology is: (1). in the workshop, the used member of steel work accurately processed; (2). component assembly is become the modularization installation unit; (3). the installation unit after adopting lifting device to assembly unit carries out on-the-spot integral hoisting, it is characterized in that: describedly component assembly is become the modularization installation unit finish at the scene, and the process that on-the-spot component assembly becomes the modularization installation unit is to finish on an assembly moulding bed, and this assembly unit moulding bed is perpendicular to member and be placed horizontally at ground H shaped steel and constitute by one group.
2. steel structure modularization construction process according to claim 1 is characterized in that: the activities that described member is accurately processed is: the acceptance of materials, ball blast; Setting-out, number material; Cutting; Correct, dig limit component processing; Connect material; Welding; Nondestructive testing; Correct; It is right to organize; Automatically welding; Flaw detection, inspection; Become the assembling of Article Number material; Welding; Number finished product hole; Drilling; The finished product prepackage; Corrosion-proof packing.
3. steel structure modularization construction process according to claim 1 is characterized in that: the activities that described on-the-spot component assembly becomes the modularization installation unit is: the assembly unit moulding bed is made; Member is checked; Part is assembled into parts; Size, accuracy checking; Parts and component-assembled; Space orientation, accuracy checking; The assembly unit of many group parts; Dimensional gaughing; Unit splicing; Interface dimensional gaughing in place; Welding; Reinforce.
4. steel structure modularization construction process according to claim 1 is characterized in that: the activities that the installation unit of described employing lifting device after to assembly unit carries out on-the-spot integral hoisting is: basic repetition measurement; The basis levelling is handled; Backing plate is in place; The absolute altitude repetition measurement; The element of construction overall dimensions is checked; Lifting component is in place; Verticality levelness repetition measurement centering; Hidden inspection; Permanent fixing.
5. steel structure modularization construction process according to claim 1 is characterized in that: described assembly unit moulding bed upper surface is provided with the horizontal location adjusting device of member.
6. steel structure modularization construction process according to claim 1 or 5, it is characterized in that: described assembly unit moulding bed upper surface is provided with the WidFin device that is positioned at contact surface below, member bottom.
CNA2007101507583A 2007-12-05 2007-12-05 Steel structure modularization construction process CN101451397A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (22)

* Cited by examiner, † Cited by third party
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CN102234070A (en) * 2010-04-30 2011-11-09 华泰(南通)船务有限公司 Manufacturing process of floating crane gin pole rack
CN102277966A (en) * 2011-05-12 2011-12-14 驻马店市三超实业有限公司 Girder assembling method for manufacturing of steel structure
CN102465600A (en) * 2010-11-17 2012-05-23 五冶集团上海有限公司 Method for manufacturing steel structure framework of benzene hydrogenation main device in benzene hydrogenation engineering
CN102505864A (en) * 2011-12-29 2012-06-20 上海市机械施工有限公司 Method for assembling fixed ends of scaffold of large-volume triangular variable-section tubular truss structure
CN102704693A (en) * 2012-06-06 2012-10-03 绍兴县现代建筑工程有限公司 Construction method of ultra-high layer steel structure in low-temperature environment
CN103406715A (en) * 2013-09-04 2013-11-27 中国二十二冶集团有限公司 Method for installing and precontrolling high-strength bolts with complicated space structure
CN103437563A (en) * 2013-09-04 2013-12-11 中国十九冶集团有限公司 Installation method for steel skeleton of large steel structure factory building
CN103481022A (en) * 2013-08-20 2014-01-01 合肥万众交通工程有限公司 Manufacturing method of pier column template
CN103624410A (en) * 2013-10-22 2014-03-12 中建钢构有限公司北京分公司 Method for welding large special-shaped multicavity steel structure
CN105421792A (en) * 2015-12-15 2016-03-23 安徽伟宏钢结构集团股份有限公司 Lifting construction process of modular steel structural components
CN105781555A (en) * 2014-12-24 2016-07-20 中国瑞林工程技术有限公司 Modular installation method for circular steel tube and inclined column steel headframe
CN106237782A (en) * 2016-08-22 2016-12-21 上海二十冶建设有限公司 The modularity installation method of active carbon desulfurization denitration adsorption tower
CN106245779A (en) * 2016-07-05 2016-12-21 上海建工二建集团有限公司 Integral prefabricated modular architectural construction technology based on UHPC material and system
CN107781505A (en) * 2016-08-27 2018-03-09 中国二十冶集团有限公司 The integrated installation method of aerial pipeline
CN108193886A (en) * 2017-12-25 2018-06-22 上海二十冶建设有限公司 The modular construction method of long-span heavy type workshop steel structure
CN108708891A (en) * 2018-05-22 2018-10-26 广东核电合营有限公司 Spent Fuel Pool dilatation screen work attachment device and attaching method thereof
CN109225410A (en) * 2018-08-22 2019-01-18 中国二十冶集团有限公司 A kind of rotary type Crushing Station mounting process
CN109235903A (en) * 2018-10-18 2019-01-18 中国化学工程第六建设有限公司 Steel structure modularization construction method
CN109227110A (en) * 2018-09-12 2019-01-18 中国二十冶集团有限公司 The modularization assembling method of output strip line loop steel structure platform
CN109252040A (en) * 2018-10-24 2019-01-22 中国二十冶集团有限公司 The modular construction method of vertical furnace for brightness resettlement
CN109338066A (en) * 2018-10-24 2019-02-15 中国二十冶集团有限公司 Horizental annealer modularization moves construction method
CN110480283A (en) * 2019-09-17 2019-11-22 福建天安建筑钢铁制品有限公司 A kind of production technology of high usage, precision steel structures

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102234070A (en) * 2010-04-30 2011-11-09 华泰(南通)船务有限公司 Manufacturing process of floating crane gin pole rack
CN102234070B (en) * 2010-04-30 2012-12-26 华泰(南通)船务有限公司 Manufacturing process of floating crane gin pole rack
CN102465600B (en) * 2010-11-17 2015-09-02 五冶集团上海有限公司 Steel structure framework of benzene hydrogenation main device in benzene hydrogenation engineering preparation method
CN102465600A (en) * 2010-11-17 2012-05-23 五冶集团上海有限公司 Method for manufacturing steel structure framework of benzene hydrogenation main device in benzene hydrogenation engineering
CN102277966B (en) * 2011-05-12 2013-01-23 驻马店市三超实业有限公司 Girder assembling method for manufacturing of steel structure
CN102277966A (en) * 2011-05-12 2011-12-14 驻马店市三超实业有限公司 Girder assembling method for manufacturing of steel structure
CN102505864A (en) * 2011-12-29 2012-06-20 上海市机械施工有限公司 Method for assembling fixed ends of scaffold of large-volume triangular variable-section tubular truss structure
CN102505864B (en) * 2011-12-29 2015-10-28 上海市机械施工集团有限公司 The assembled method of large volume triangularity variable-section tubular truss structure moulding bed fixed end
CN102704693A (en) * 2012-06-06 2012-10-03 绍兴县现代建筑工程有限公司 Construction method of ultra-high layer steel structure in low-temperature environment
CN103481022B (en) * 2013-08-20 2015-07-29 合肥万众交通工程有限公司 A kind of Pier Formwork manufacture method
CN103481022A (en) * 2013-08-20 2014-01-01 合肥万众交通工程有限公司 Manufacturing method of pier column template
CN103437563A (en) * 2013-09-04 2013-12-11 中国十九冶集团有限公司 Installation method for steel skeleton of large steel structure factory building
CN103437563B (en) * 2013-09-04 2015-11-04 中国十九冶集团有限公司 A kind of mounting method for large steel-strctrue building steel frame
CN103406715A (en) * 2013-09-04 2013-11-27 中国二十二冶集团有限公司 Method for installing and precontrolling high-strength bolts with complicated space structure
CN103624410A (en) * 2013-10-22 2014-03-12 中建钢构有限公司北京分公司 Method for welding large special-shaped multicavity steel structure
CN103624410B (en) * 2013-10-22 2016-07-06 中建钢构有限公司 The welding method of special-shaped Multicarity steel megastructure
CN105781555B (en) * 2014-12-24 2017-12-29 中国瑞林工程技术有限公司 Round steel pipe batter post steel headframe modularization installation method
CN105781555A (en) * 2014-12-24 2016-07-20 中国瑞林工程技术有限公司 Modular installation method for circular steel tube and inclined column steel headframe
CN105421792A (en) * 2015-12-15 2016-03-23 安徽伟宏钢结构集团股份有限公司 Lifting construction process of modular steel structural components
CN106245779A (en) * 2016-07-05 2016-12-21 上海建工二建集团有限公司 Integral prefabricated modular architectural construction technology based on UHPC material and system
CN106237782A (en) * 2016-08-22 2016-12-21 上海二十冶建设有限公司 The modularity installation method of active carbon desulfurization denitration adsorption tower
CN107781505A (en) * 2016-08-27 2018-03-09 中国二十冶集团有限公司 The integrated installation method of aerial pipeline
CN108193886A (en) * 2017-12-25 2018-06-22 上海二十冶建设有限公司 The modular construction method of long-span heavy type workshop steel structure
CN108708891A (en) * 2018-05-22 2018-10-26 广东核电合营有限公司 Spent Fuel Pool dilatation screen work attachment device and attaching method thereof
CN109225410A (en) * 2018-08-22 2019-01-18 中国二十冶集团有限公司 A kind of rotary type Crushing Station mounting process
CN109227110A (en) * 2018-09-12 2019-01-18 中国二十冶集团有限公司 The modularization assembling method of output strip line loop steel structure platform
CN109235903A (en) * 2018-10-18 2019-01-18 中国化学工程第六建设有限公司 Steel structure modularization construction method
CN109252040A (en) * 2018-10-24 2019-01-22 中国二十冶集团有限公司 The modular construction method of vertical furnace for brightness resettlement
CN109338066A (en) * 2018-10-24 2019-02-15 中国二十冶集团有限公司 Horizental annealer modularization moves construction method
CN110480283A (en) * 2019-09-17 2019-11-22 福建天安建筑钢铁制品有限公司 A kind of production technology of high usage, precision steel structures

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