CN109235903A - Steel structure modularization construction method - Google Patents
Steel structure modularization construction method Download PDFInfo
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- CN109235903A CN109235903A CN201811217605.0A CN201811217605A CN109235903A CN 109235903 A CN109235903 A CN 109235903A CN 201811217605 A CN201811217605 A CN 201811217605A CN 109235903 A CN109235903 A CN 109235903A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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Abstract
The invention discloses a kind of steel structure modularization construction methods.1) construction method is the following steps are included: handle basis, and foundation bolt is buried and is positioned at basis and carries out first time measurement, concreting is carried out after meeting installation requirement, pour it is firm after carry out second of measurement again, meet and parallels be installed on the foundation bolt after installation requirement；2) base plate is installed on the foundation bolt by the parallels；3) it takes using module centers line as component position baseline, component assembly is become into modularization installation unit；4) temporary support structure is arranged on lifting device, modularization installation unit lifting is installed on by the base plate using lifting device, and be fixedly mounted after verticality and levelness leveling and adjusting；5) the modularization installation unit arrange and be welded and fixed, complete structural module construction.Work efficiency is high for the construction method, installation accuracy is good and construction cost is low.
Description
Technical field
The present invention relates to Installation Technique of Steel Structure fields.It is more particularly related to which steel structure modularization is applied
Work method.
Background technique
In recent years, with the development of social economy and productivity, steel building few, overall cost with its occupied area
Low, many advantages, such as speed of application is fast, quality easily guarantees, is environmentally protective, is rapidly developed, and is widely used in workshop, large size is built
It builds.Traditional Construction of Steel Structure method is: first in processing factory by steel column, girder used in steel construction, various beams of platform etc.
Component completion of processing waits and all components is transported to erecting bed after civil constructions, and carries out structure one by one using lifting device
Part group is to installation.But traditional Construction of Steel Structure method has following deficiency: 1. amount of high-altitude operation are big, and time-consuming for work progress,
Working efficiency is low and safety cost is high；2. high altitude operation difficulty is high, frame structure and installation accuracy are not easy to control, installation accuracy
Difference；3. the equipments usage amount such as Large-scale Hoisting tool is big, construction cost is high.Therefore, traditional Construction of Steel Structure method is not suitable for
The frame installation of super large, superelevation formed steel construction.
Summary of the invention
The object of the present invention is to provide a kind of steel structure modularizations that work efficiency is high, installation accuracy is good and construction cost is low
Construction method.
In order to realize these purposes and other advantages according to the present invention, a kind of steel structure modularization construction party is provided
Method, comprising the following steps:
1) basis is handled, and foundation bolt is buried and is positioned at basis and carries out first time measurement, meet installation
Concreting is carried out after it is required that, pour it is firm after carry out second of measurement again, meet and parallels be installed on institute after installation requirement
State foundation bolt；
2) base plate is installed on the foundation bolt by the parallels；
3) it takes using module centers line as component position baseline, component assembly is become into modularization installation unit,
In, the reinforcement member in the modularization installation unit is spliced by high-strength bolt and rotary table shearing-resistant member, the modularization installation
Left and right component in unit is connected by steel member；
4) temporary support structure is arranged on lifting device, the modularization installation unit is lifted using lifting device and is pacified
It is fixedly mounted loaded on the base plate, and after verticality and levelness leveling and adjusting；
5) the modularization installation unit arrange and be welded and fixed, complete structural module construction.
The step 3) specifically includes following process in one of the embodiments: making assembled moulding bed；Component inspection；
Using module centers line as component position baseline, component assembly is become into modularization installation unit, wherein reinforcement member passes through
High-strength bolt and rotary table shearing-resistant member splice, and the left and right component in the modularization installation unit is connected by steel member；Contraposition connects
Dimensional gaughing, welding, reinforcing at mouthful.
The assembled moulding bed in the step 3) is by perpendicular to the component and being horizontally arranged in one of the embodiments,
It is made in the H profile steel on ground.
It further include using with virtual route planning technology to described in one of the embodiments, in the step 3)
The step of installation path of component is planned.
Described use is advised with installation path of the virtual route planning technology to component in one of the embodiments,
The step of drawing specifically includes: determining the initial moving direction of the component；By comparing the initial moving direction of the component and described
Modularization installation unit obtains component translational movement in the projection split on direction vector；It repeats the above process, until the component
Reach designated position, then the component paths traversed is the installation path of component.
The step 4) in one of the embodiments, further include: Force Calculation is carried out to wirerope；It selects and check is hung
Holding tool；Select and check lifting handling machinery；Lifting device is installed in place.
Lifting device described in the step 4) is lifted using 4 lift-on/lift-off systems in one of the embodiments,.
CO is used in the step 5) in one of the embodiments,2Gas shielded arc welding is welded and fixed.
Further include the steps that mounting platform, ladder and pull rod in the step 5) in one of the embodiments,.
The temporary support structure is support fashioned iron in one of the embodiments,.
The present invention is include at least the following beneficial effects:
A large amount of high-altitude vertical space operation is changed into ground or low latitude operation by construction method disclosed by the invention, is improved
Construction safety assurance coefficient, and the degree-of-difficulty factor of construction is reduced, and then effectively reduce construction cost；And multiple constructions
Face can construct simultaneously, and operation side increases, and effectively shorten the duration, it is easy for installation effectively, and then improve construction effect
Rate.In addition, the construction method is used using module centers line as component position baseline, component assembly is installed as modularization
Unit will build error diffusion on a direction, and the matching performance of all directions is more preferable.Meanwhile pacifying inside it after module construction
It installs standby, can be improved accuracy when module abutting joint, and then effectively increase installation accuracy.
Construction method in the embodiment of the present invention increases the stability in hoisting process by using 4 lift-on/lift-off systems,
It is easy to operate, rapidly and efficiently.
The vertical operation in a large amount of high-altitude can be changed into ground by the construction method in the embodiment of the present invention or low latitude level is made
Industry, and by using CO2Gas shielded arc welding is welded and fixed, and construction personnel is easy to operate, and welding and installation quality are effectively mentioned
Height, welding first-time qualification rate can control 98% or more.It can reduce construction quality omission factor simultaneously, it is blind that no quality inspection may be implemented
Area, inspection rate reach 100%.
Construction method in the embodiment of the present invention is by using virtual route planning technology to the installation path of interlayer equipment
It is planned, effectively reduces the resource consumption of equipment installation project.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the construction process schematic diagram of steel structure modularization construction method according to an embodiment of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
As shown in Figure 1, the present invention provides a kind of steel structure modularization construction method, comprising the following steps:
S11: handling basis, and foundation bolt is buried and is positioned at basis and carries out first time measurement, meets peace
Concreting is carried out after reload request, pour it is firm after carry out second of measurement again, parallels is installed on after meeting installation requirement
The foundation bolt.
In bolt embedment technology, the most important is the determination to the position of pre-embedded anchoring bolts, it is necessary to assure this
The accuracy of position, there will be larger difficulty when otherwise carrying out steel column installation, while the quality installed also it is difficult to ensure that.Therefore,
When pre-embedded anchoring bolts position is constructed, need to carry out stringent control to basic axis and absolute altitude datum mark, when necessary
It needs to carry out repetition measurement twice, be measured after burying positioning first, secondly the progress repetition measurement after concreting time is firm, two
Secondary measurement all must assure that displacement cannot go beyond the scope.
The connection on equipment and basis, which refers to, is securely fixed in equipment in Equipment Foundations, in order to avoid generate displacement or topple,
Equipment can be made to keep necessary installation accuracy for a long time simultaneously, guarantee the normal operation of equipment.Equipment in modularization structural steelwork
Mainly foundation bolt is used to connect with the connection method on basis and pass through parallels for equipment to just levelling, then fixes equipment
On deck or steel construction.In addition to this, also some equipment are directly weldingly fixed on deck or steel construction.
Foundation bolt in the present embodiment include be not limited to fixed foundation bolt, movable foundation bolt, expanded anchor bolt and
It is bonded foundation bolt.Specifically, movable foundation bolt, also known as long foundation bolt are a kind of dismountable foundation bolts, for solid
There is the heavy duty equipment of sharp pounding or impact when working surely.This foundation bolt is long, mainly there is the double of double thread
The T-shaped T-type formula of hair style and threaded one end one end.Fixed foundation bolt, also known as short foundation bolt are usually cast in one with basis
It rises.Equipment for fixing no sharp pounding and impact, length are generally 100-1000mm, and head is made into jag shape, ring
Shape, hook-type is to prevent spin-ended turn and extracts.Swollen anchorage foot bolt is mainly used in the operating condition that armored concrete is contacted with equipment.Bonding
It is that very high or ordinary foundation bolt is difficult in the case where meeting the requirements that foundation bolt, which is primarily adapted for use in intensity requirement not,.
S12: base plate is installed on the foundation bolt by parallels.
The main function of parallels is the weight transmitting of equipment to basis in the present embodiment, at the same time it can also by adjusting
The thickness of parallels realizes that equipment is levelling.Specifically, the type of parallels include be not limited to plain cushion iron, inclined sizing block, aperture parallels,
Be open parallels, the pairs of inclined sizing block of gib head, adjustment parallels, adjusting screw etc..Wherein, adjustment parallels has bolt adjustment parallels and spherical surface
Two kinds of parallels of adjustment.Bolt adjustment parallels is divided to two blocks of adjustment parallels and three blocks of adjustment parallels again, and two blocks of adjustment parallels are by base, tune
Whole bolt, adjustment block form, and increase elevator on respect to two pieces adjustment cushion block structures of three pieces of adjustment cushion blocks.Spherical surface adjusts cushion block
It is made of parallels pedestal, adjustment wedge, bolt, nut, spheric washer etc., is mainly used for the higher mechanical equipment peace of required precision
In dress.Inclined sizing block is divided into A type and two kinds of Type B, and plain cushion iron is c-type, and surface generally without finishing, is mainly used in machinery
Levelling, centering in installation.Gib head thickness in the pairs of inclined sizing block of gib head is generally 15mm, is highly generally
10mm is generally used for not needing on the accurate mechanical equipment of comparison of equipment anchor bolt.Be open parallels and aperture parallels, opens
Hole, the size of opening are 2-5mm bigger than the diameter of foundation bolt, and width is more slightly wider than foundation bolt, and length is generally longer than equipment lower margin
20-40mm is mainly used in the lesser equipment of the bearing area such as equipment support.
S13: taking using module centers line as component position baseline, and component assembly is become modularization installation unit,
Wherein, the reinforcement member in modularization installation unit is spliced by high-strength bolt and rotary table shearing-resistant member, in modularization installation unit
Left and right component pass through steel member connect.
In one embodiment, live component assembly becomes the technical process of modularization installation unit are as follows: makes assembled tire
Frame；Component inspection；Using module centers line as component position baseline, component assembly is become into modularization installation unit, wherein
Reinforcement member is spliced by high-strength bolt and rotary table shearing-resistant member, and the left and right component in the modularization installation unit passes through steel member
Connection；Align interface dimensional gaughing, welding, reinforcing, the process for completing segmented assembly.
Optionally, live component assembly at the process of modularization installation unit is completed on an assembly moulding bed.It is existing
It is illustrated by taking Steel for Large Steel Column on-site consolidation as an example, assembled moulding bed perpendicular to component and is placed horizontally at the H on ground by one group
Fashioned iron is constituted.
It in one embodiment, further include using to plan with installation path of the virtual route planning technology to component
The step of.
Specifically, largely there is big and long cylinder, cone and frame class equipment in large-scale steel structure, and with higher
Space utilization rate, the installation of large scale equipment is usually also required to the auxiliary of special fixture and type frame in steel construction.Equipment is in practical peace
During dress assembly space is reserved not enough, assemble sequence is different or assembly tool prepare it is improper etc. due to and be likely to occur nothing
The case where method is installed, the particularity of equipment and the complexity of installation process determine that the installation of large scale equipment in steel construction must adopt
With the process program for being different from general device installation.Virtual route planning is one of key technology of Virtual assemble, it is being assembled
On the basis of modeling and assembly sequence-planning, makes full use of assembly information to carry out path analysis and solution, judge and generate one
Reasonable assembly path, to can reach the effect of optimization design.The concrete operation step of virtual route planning technology are as follows:
(1) the initial moving direction of equipment
In order to determine the movement routine of equipment, it must be determined that the initial moving direction of equipment.Here in order to reduce algorithm
Operand determines the initial moving direction of equipment with the following method: firstly, extracting geometrical constraint direction and arranging direction
Table, and taking first direction in table is w principal direction, secondly, second direction in table is taken to carry out Projective decomposition to w, is taken perpendicular to the main side of w
To projecting direction be u direction, then, take w, u vector product be the direction v, then successively take other directions to u, v and w carry out
Projection determines that it is equipment moving direction if nothing finally, judging whether there is constraint along+w ,+u ,+v ,-w ,-u, the direction-v.
This method is likely to be obtained multiple moving directions, needs to further determine that in subsequent step or final feasible
It is optimized in path to obtain equipment optimal path of movement.
(2) equipment translational movement
Structure is obtained in the projection split on direction vector by comparing the initial moving direction of component and modularization installation unit
Part translational movement.For a unit equipment moving direction, if phasor coordinate collection { F1、F2、....、FnRepresent required mobile component
Vertex, { S1、S2、....、SnRepresent the vertex of modularization installation unit.
Enable Smax=max { (u × Si) l i=1,2 ..., m
Fmin=min { (u × Fi) l i=1,2 ..., n
It can obtain, the mobile translational movement M=(S of equipmentmax-Fmin)。
It repeats the above process, until equipment reaches designated position, then equipment paths traversed is the shifting of equipment installation
Dynamic path.Certainly, it due to the spatial dimension between component and modularization installation unit (equipment) and does not know, the equipment peace of acquisition
Filling path or equipment moving direction, there are number of ways, this just needs to consider that the mobile specific environment of equipment carries out in summation optimal
Scheme Choice.
S14: temporary support structure is arranged on lifting device, the modularization installation unit is lifted using lifting device
It is installed on the base plate, and is fixedly mounted after verticality and levelness leveling and adjusting.
Wherein, for the modularization installation unit of geometry and rigidity bi-directional symmetrical, lifting point is arranged in modularization
On the flooring girder steel of installation unit；Modularization installation unit asymmetric for geometry and rigidity lifted to reduce
The deflection of modularization installation unit in journey can increase temperature pier facility according to deformation when lifting.Optionally, described to hang
Holding tool uses 4 lift-on/lift-off systems.
Specifically, the lifting transport of large scale equipment is a technical special work post operation strong, danger level is big, is needed more
The mutual cooperation of work post personnel is coordinated mutually.It must be to the environment of operation field, heavy equipment handling route and handling before lifting
It designated position and plays weight weight, center of gravity, level point and a lifting point and whether balances etc. and carry out analytical calculation, formulate optimal
Lifting scheme achievees the purpose that equipment safety is in place.Modularization steel construction is since equipment is numerous, and single device figure is big, quality
The features such as weight, installation space is narrow, need to work out special Hoisting Program.It constructs and is first spelled according to steel construction waypoint ground early period
It fills weight and selectes large-scale hoisting machinery, lifting accounting is being carried out according to actual field pack weight before lifting, it is determined whether meet
Lifting condition, checks whether splice point welding meets loose hook condition after lifting.
(1) hoisting appliance requirement
All hoist cables must have inspection certificate.Hoisting operation person should check rigging before lifting, and must not have damaged, disconnected
Situations such as stock, fracture of wire.
(2) site requirements is lifted
The place of crane track route should be sufficiently flat, and barrier on scene and lane is removed to clean, guarantee shoe
Band crane etc. smooth operations in the course of travel.It cannot be across cable duct and other danger zones on driving channel；Before construction, answer
The scaffold or structural member that have an impact to lifting are removed, it is necessary to assure equipment is from slinging predetermined installation site, on route
There cannot be any shelter to obstruct the view or influence operation.
(3) lifting is meteorological requires
Tranquil weather should be selected when lifting, the precision that the weather such as wind, rain, snow all will affect lifting work even results in
Slinger is difficult to carry out.Common, wind-force is not greater than six grades (10.8m/s) during lifting work.
(4) other requirements are lifted
The technical data such as facility installation drawing, equipment assembling figure, the installation manual for equipments of hanging device are complete errorless and are most
New edition；When carrying out lifting operation, there cannot be any barrier within the scope of the radius of turn of crane；It is common, lifting operation area
The normal operation to guarantee the large spans object such as hoisting machine tool rotating arm must be isolated；In addition, lifting work will be arranged in
Daytime carries out.During installation and shipping, all flange faces must all cover and avoid directly contacting with steel construction；Large scale equipment
It should pause 1 minute or so when being transferred from ground or pad pier 300mm or so, band hoisting technology personnel confirm hoist cable, snap ring and loop wheel machine
It can continue lifting operation after state is without exception.
In addition to this, for large equipment, should shift to an earlier date and place some sleepers on transport vehicle, sleeper put range by
Equipment size and transport vehicle size determine；Then according to scene and equipment situation, select crane will be on equipment hoisting to transport vehicle.
Technical staff review and validate band hanging device and its attachment it is intact after, select crane by equipment hoisting to flat bed transport vehicle
Upper rope fixation, and it is steady to drive a vehicle, and reduces vibration to the greatest extent.Traffic route is established according to the position of equipment in the module.
It includes two large divisions that large scale equipment, which lifts force analysis and calculates, first is that hoisting machine tool, rigging；Second is that by equipment is hung
Itself.By the diagram of lifting force analysis or number solution, each portion's maximum weighted value is determined, to select lifting equipment, rigging.Together
When, according to worst operating condition, strength and stability check carried out to main equipment (referring generally to mast), in necessary situation,
Monolithic stability can be carried out to equipment and local stable nucleus is calculated.
(1) Force Calculation of wirerope
Wirerope is widely used in various lifting equipments, and in lifting operation, wirerope also serves as fine cable (cable wind rope), set
Rope (jack line) and drawstring etc..According to the actual needs that hoisting and hanging works, following several wirerope: 6X19 are generally selected in lifting
Wirerope --- it is used as cable wind rope and drag-line, i.e., rope is for not by bending or the place that may be worn；6X37 steel wire
Rope --- in tackle pulley, i.e., rope to bear to use when bending, as passing around tackle pulley hoisting line etc.；6X61 wirerope ---
Component etc. is sling for tackle pulley and production hoist cable (jack line) and binding.Furthermore it is mainly used for heavy-duty lifting machine.
(2) lifting device is selected and is checked
The selection and check of snap ring: snap ring is mainly used for the connection between hoist cable and hoist cable or hoist cable and component, by bending ring
It is formed with pin two parts.
(3) selection and check of handling machinery are lifted
The selection of lifting handling machinery should comprehensively consider following factor: crane performance data, and such as rated load weight is hung
Vehicle lifting performance, crane overall dimensions, length of boom, operating radius, counterweight etc.；Equipment and technology data, as device structure size,
Main material, equipment hoisting weight, equipment monolithic stability type, shackle structure and position etc.；Environment is lifted, such as equipment Plane Installation
Plan-position, equipment installed height mark before position and equipment lifting, space at Standing position of a crane, underground installation are (underground pipe network, buried
Cable etc.) and earth bearing strength, crane installation counterweight needed for space etc.；Safety specifications, requirement such as related with hoisting,
Requirement related with device structure, requirement related with crane performance, particular/special requirement related with construction site etc.；Crane is practical
Crane capacity subtracts gib head (including rigging more than gib head) weight according to theoretical value in crane capacity table in crane handbook to examine
Consider.When selecting suspender, practical hoist is needed comprising 1.05 times of safety factor and 1.1 times of dynamic amplification coefficient.Loop wheel machine exists
Peak load utilization rate must be met in working radius, be not required to recalculate in working radius, but suggest that operative radius is working
Within 2/3rds of radius.
(4) installation in place of equipment
After flat car crane is in place, carried out hanging appearance adjustment according to the installation requirement of equipment.After, revolving crane principal arm,
Equipment is adjusted to above predetermined installation site, while the equipment such as chain block auxiliary can be used to be accurately positioned, equipment is transferred,
It must be steady during lower section；After in place, it is connected and fixed by facility installation drawing；If live scaffold is more than this height, influence to set
Standby lifting, the scaffold of dismountable superelevation part；After the installation is completed, the levelness and verticality of equipment should be checked and adjust, with
Installation to next batch.After equipment is installed, lifting lug is cut away in installation check hole, then installs other attachmentes.
In addition, equipment hoisting is needed to vacate afterwards in place construction space or carried out next time by large-scale handling equipment
Equipment handling needs to be arranged equipment temporary support structure before equipment hoisting is preliminary in place to guarantee that equipment meets adjustment requirement and anti-
Only steel construction intentional deformation realizes normal mounting.Temporary support structure in large-scale steel structure engineering has support stress effect
Greatly, the features such as bearing height is high is the important construction installation in structural steelwork.Conventional temporary support structure utilizes tower crane lifting
For the tower body standard component of machine as supporting member, it is fast to set up speed, has versatility, reuse it is high-efficient, it can be achieved that promoted and
Support function is applied in large-scale steel structure engineering.In addition to this, it can be mounted so as to need to be arranged various face according to equipment
When support construction.After the completion of construction, temporary support will be removed and be polished smooth, and when removal cannot damage base material, in temporary support
Position need to carry out magnetic powder and penetrating inspection.
Large-scale steel structure figure is different, and temporary support when equipment is installed is also many kinds of, the temporary support knot
Structure includes to be not limited to interim drag-line, diagonal brace, pillar or other fit structures.Specifically, again may be used according to the structure of temporary support
It is divided into bearing supporting frame, supports fashioned iron, support plate and very heavy top support etc..The position according to set by temporary support, temporarily
Support can be divided into compression bar support (including support fashioned iron etc.) again, beam support and frame support (including deck plate support etc.).
S15: carrying out arrangement to the modularization installation unit and be welded and fixed, and completes structural module construction.
The major influence factors of welding have the selection of welding parameter, the type of welding wire and welding arc voltage and electric current.Its
In, welding current will be selected according to the thickness of workpiece, welding position and gage of wire, and the selection of arc voltage will match with electric current
It closes；Different location selects different welding manners.Optionally, which uses CO2Gas shielded arc welding.
Specifically, to guarantee welding quality, welding deformation is accurately predicted, to solve structure steel fabrication mounting structure safety
Property difficult point, this technique uses following methods: welding stress when reasonable reinforcement measure 1) being taken to obstruct welding reduces welding and receives
Contracting amount, is controlled within the allowable range；2) reasonable welding procedure is formulated, avoids welding part or certain point, welding as far as possible
When should symmetrically be uniformly distributed, branch after first main body, preferably balanced welding, control welding current preferably it is small less, be rapidly completed；3) it controls
Component groups reduce weld shrinkage to gap；4) it takes heat straightening and gagging to handle deformation element, is heated and carried out using flame
Correction, mechanical correction, which can also be used, can reach the purpose of correction.
Further include the steps that mounting platform, ladder and pull rod in the step S15 in one of the embodiments,.Pass through
Mounting platform, ladder and pull rod are convenient for subsequent use and maintenance conditions.
The present invention is include at least the following beneficial effects:
A large amount of high-altitude vertical space job task is changed into ground or low latitude and made by the construction method in present invention implementation
Industry improves construction safety assurance coefficient and incites somebody to action, and reduces the degree-of-difficulty factor of construction, effectively reduces construction cost；And it is more
A construction surface can construct simultaneously, and operation side increases, and simplify construction, shorten the construction period, easy for installation effective, into
And improve construction efficiency.In addition, the construction method is used using module centers line as component position baseline, by component assembly
As modularization installation unit, error diffusion can be built on a direction, the matching performance of all directions is more more preferably to just levelling
It is good.Meanwhile equipment being installed inside it after module construction, working link can be reduced, and equipment can be effectively improved in module
Accuracy when docking, and then effectively increase installation accuracy.
Construction method in the embodiment of the present invention increases the stability in hoisting process by using 4 lift-on/lift-off systems,
It is easy to operate, rapidly and efficiently.
The vertical operation in a large amount of high-altitude can be changed into ground by the construction method in the embodiment of the present invention or low latitude level is made
Industry, and by using CO2Gas shielded arc welding is welded and fixed, and construction personnel is easy to operate, and welding and installation quality are effectively mentioned
Height, welding first-time qualification rate can control 98% or more.It can reduce construction quality omission factor simultaneously, no quality inspection may be implemented
Blind area, inspection rate reach 100%.
Construction method in the embodiment of the present invention is by using virtual route planning technology to the installation path of interlayer equipment
It is planned, effectively reduces the resource consumption of equipment installation project.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of steel structure modularization construction method, which comprises the following steps:
1) foundation bolt is buried and is positioned at basis and carries out first time measurement, carry out concreting after meeting installation requirement,
Pour it is firm after carry out second of measurement again, meet and parallels be installed on the foundation bolt after installation requirement；
2) base plate is installed on the foundation bolt by the parallels；
3) it takes using module centers line as component position baseline, component assembly is become into modularization installation unit, wherein institute
The reinforcement member stated in modularization installation unit is spliced by high-strength bolt and rotary table shearing-resistant member, in the modularization installation unit
Left and right component pass through steel member connect；
4) temporary support structure is set on lifting device, is installed on modularization installation unit lifting using lifting device
The base plate, and be fixedly mounted after verticality and levelness leveling and adjusting；
5) the modularization installation unit arrange and be welded and fixed, complete structural module construction.
2. steel structure modularization construction method according to claim 1, which is characterized in that the step 3) specifically include with
Lower process: assembled moulding bed is made；Component inspection；Using module centers line as component position baseline, component assembly is become into mould
Block installation unit, wherein reinforcement member is spliced by high-strength bolt and rotary table shearing-resistant member, in the modularization installation unit
Left and right component is connected by steel member；Align interface dimensional gaughing, welding, reinforcing.
3. steel structure modularization construction method according to claim 2, which is characterized in that the assembled tire in the step 3)
Frame is by perpendicular to the component and being placed horizontally at the H profile steel on ground and being made.
4. steel structure modularization construction method according to claim 1, which is characterized in that in the step 3), further include
Using the step of being planned with installation path of the virtual route planning technology to the component.
5. steel structure modularization construction method according to claim 4, which is characterized in that described using with virtual route
The step of planning technology plans the installation path of component specifically includes: determining the initial moving direction of the component；Pass through
Comparing the initial moving direction of the component and the modularization installation unit, to obtain component flat splitting the projection on direction vector
Shifting amount；It repeats the above process, until the component reaches designated position, then the component paths traversed is the peace of component
Fill path.
6. steel structure modularization construction method according to claim 1, which is characterized in that the step 4) further include: right
Wirerope carries out Force Calculation；Select and check lifting device；Select and check lifting handling machinery；Lifting device is in place
Installation.
7. steel structure modularization construction method according to claim 1, which is characterized in that lifted described in the step 4)
Tool is lifted using 4 lift-on/lift-off systems.
8. steel structure modularization construction method according to claim 1, which is characterized in that use CO in the step 5)2
Gas shielded arc welding is welded and fixed.
9. steel structure modularization construction method according to claim 1, which is characterized in that further include peace in the step 5)
The step of assembling platform, ladder and pull rod.
10. -9 described in any item steel structure modularization construction methods according to claim 1, which is characterized in that the interim branch
Support structure is support fashioned iron.
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| CN109797643A (en) * | 2019-04-01 | 2019-05-24 | 滕州市建筑安装工程集团公司 | A kind of installation method of annular overline bridge steel box-girder entirety |
| CN111143915A (en) * | 2019-11-18 | 2020-05-12 | 中国化学工程第六建设有限公司 | Steel structure modular installation method based on Tekla software platform |
| CN111395848A (en) * | 2020-03-24 | 2020-07-10 | 中铁建设集团南方工程有限公司 | Mast type steel structure and inhaul cable installation construction method |
| CN113738122A (en) * | 2021-08-27 | 2021-12-03 | 中国二十冶集团有限公司 | Mounting method of circular silo steel structure |
| CN114837428A (en) * | 2022-03-25 | 2022-08-02 | 长江精工钢结构(集团)股份有限公司 | Steel structure industrial building modular installation method |
| CN114941264A (en) * | 2022-05-31 | 2022-08-26 | 中国二十二冶集团有限公司 | Method for installing track and basic embedded plate |
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| CN114941264A (en) * | 2022-05-31 | 2022-08-26 | 中国二十二冶集团有限公司 | Method for installing track and basic embedded plate |
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Application publication date: 20190118 |