CN109763569A - A kind of overhanging awning construction method - Google Patents
A kind of overhanging awning construction method Download PDFInfo
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- CN109763569A CN109763569A CN201910043448.4A CN201910043448A CN109763569A CN 109763569 A CN109763569 A CN 109763569A CN 201910043448 A CN201910043448 A CN 201910043448A CN 109763569 A CN109763569 A CN 109763569A
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Abstract
The invention proposes a kind of overhanging awning construction methods, comprising the following steps: S1, sill anchor Embedment Construction；S2, rigid steel pile lifting；The lifting of roof system main couple is divided into 24 installation units by S3；S4 carries out the support installation of first segment main couple；When S5, one section of main couple GHJ1 of construction and installation, one section of first construction hoisting；S6 lifts oblique column, slings the other end with crane, then lifts by crane front end and lifts two sections or next Pin main couple；S7 is supported installation according to step S4-S6 and main couple is installed and to form the first installation unit；S8, tie-rod and jack truss installation are carried out between two Pin main couples, and the jack truss between adjacent main couple uses overhead connection；S9 recycles above-mentioned steps S4-S7, completes remaining 23 installation unit；The present invention solves in tradition overhanging awning work progress the problem of truss span is big, component is long, and difficulty of construction is big, while increasing temporary support, improves single truss structure lateral stability by installing the truss sections in region.
Description
Technical field
The present invention relates to the technical fields more particularly to a kind of overhanging awning construction method of overhanging awning construction.
Background technique
In recent years, with the continuous development that Chinese Sport moves, Chinese Sport number is increased significantly, traditional sports field
Structural system main body is concrete frame structure, and roof system is cantilever space truss cells structure, but in roof system installation process
Since main truss frame member is long, piece truss section is excessive, transport difficult, and entire difficulty of construction is big, and long construction period, sport
Field areas span is big, quality weight, and operating condition limits, and single truss structure overhanging span is big, the list Pin in structure installation process
The case where lateral stability is poor, is easy to appear offset in the construction process, influences the progress of subsequent handling.
Summary of the invention
Long for traditional roof truss component, quality weight, difficulty of construction is big, and single truss structure overhanging span is big, is tying
The technical problem of list Pin lateral stability difference, the present invention propose a kind of overhanging awning construction method in structure installation process.
To solve the above-mentioned problems, the technical scheme of the present invention is realized as follows:
A kind of overhanging awning construction method, comprising the following steps:
S1, point pre-buried to each sill anchor first measure, and pre-embedded bolt all makes in factory process, then on floor
After reinforcing bar binding is completed, embedded sill anchor is carried out according to measurement point, anchor bolt is welded and fixed using reinforcing bar, and in mixed
The solidifying vertical muscle of earth pillar carries out binding and fixing, then removes and is fixed temporarily template, finally carry out concrete placings, it is pre- to complete sill anchor
It buries；
S2 then carries out steel column lifting；
The lifting of roof system main couple is divided into 24 installation units by S3, and each unit has a two Pin main couples, two Pin main couples it
Between fill tie-rod and jack truss；
S4, according to live spelling condition, every two Pin main couple forms an assembled rigid unit, by each truss be respectively designated as GHJ1,
GHJ2 ... GHJ47, GHJ1 are divided into three sections of liftings to GHJ9, GHJ25 to GHJ33, and GHJ10 to GHJ24, GHJ25 to GHJ47 are not
Segmentation, lifting order are successively carried out from unit one to unit 24；
S4 carries out the support installation of first segment main couple；
When S5, one section of main couple GHJ1 of construction and installation, one section of first construction hoisting, the front and back end for lifting one section of main couple is winded up two
Node is fallen on the lintel of two temporary supports, and forward mount point and support are in place, and 5 points support to form a liptinite, construction
Second step steel column；
S6, then lifts oblique column, and the other end, rotation to designed elevation and first segment master are sling with crane in erection support position
Truss related subgroup, component rear and front end use wirerope to be tensioned to two sides respectively, then lift by crane front end and lift two sections or next Pin
Main couple；
S7 carries out the 2nd Pin main couple GHJ2 support installation according to step S4-S6 and the second product main couple GHJ2 carries out installation shape
At the first installation unit；
S8, tie-rod and jack truss installation are carried out between two Pin main couples, and the jack truss between adjacent main couple uses overhead connection；
S9, circulation above-mentioned steps S4-S7 circulation complete remaining 23 installation unit.
Further, provisional protection plate is welded when the support in the step S5 is installed.
Further, erection sequence of the jack truss in the step S8 in a standard width of a room in an old-style house presses transversal line from a side to another
Side successively lifts.
Beneficial effects of the present invention: the present invention is by being divided into 24 installation units for the lifting of roof system main couple, respectively
It is lifted, substantially improves the problem of traditional roof system main couple span is big, quality is heavy and difficulty of construction is big, each installation unit purlin
It after the completion of frame is spliced by ground, is lifted, avoids the cumbersome of traditional truss long-distance transport, while being increased interim anti-
Shield, it is big to solve traditional single truss structure overhanging span, the problem of single truss structure installation process lateral stability difference.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is roof system overall structure diagram in the present invention.
Fig. 2 is main couple top view.
Fig. 3 is main couple sectional view.
Fig. 4 is bearing structure illustration.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
A kind of overhanging awning construction method, comprising the following steps:
S1, point pre-buried to each sill anchor first measures, according to original axis control point and elevation control point to scene
The encryption of axis and elevation control point is carried out, measuring goes out the center of each embedded part to the axis then gone out according to control line measuring again
Cross wire and at least two elevation control points；
Pre-embedded bolt all makes in factory process, and the frame of each steel column pre-embedded bolt all carries out processing system in factory
Make.The production precision of pre-embedded bolt: the spacing of pre-embedded bolt centre to centre ≯ 2 ㎜, relative relief ≯ 2 ㎜ on pre-embedded bolt top；
Then after floor reinforcement binding is completed, after floor reinforcement binding is completed, before the beam steel bar colligation of floor, built-in fitting
Embedded work can be inserted into.It is according to the axis that measurement work institute's measuring goes out, pre-embedded bolt is integrally in place, find embedded part top accurately first
The vertically and horizontally center line of four fixed angle steel, and the reference line of itself and measurement and positioning is made to coincide；Then embedded part is measured with level
The mark of bolt top surface on four angles, with reinforcing bar or angle steel under four angles of embedded part following four fixed angle steel when insufficient height
Levelling carries out embedded sill anchor according to measurement point, anchor bolt is welded and fixed using reinforcing bar, and in the vertical muscle of concrete column
Binding and fixing are carried out, then removes and is fixed temporarily template, finally carry out concrete placings, it is pre-buried to complete sill anchor；
S2 carries out examination before steel column lifting and hangs, and crane is parked in crane operation area close to operation cushion cap position, lifts wirerope
It is locked with steel column lifting lug, after safety inspection is qualified, starts to lift by crane capital and sling when one end height is 100~200mm to stop hanging, examine
It looks into rigging securely and the stability of crane, while sending special messenger that the security and stability on basis below truck crane, determination is observed continuously
It can continue slowly to lift by crane after safety, aerial operation phase crane commander should keep a close eye on the lifting state of component, command mouth
It enables harmonious.
It tries there are three the purposes hung: first is that examining lifting lifting equipment security reliability；Second is that checking the standard of suspension centre setting
True property；Third is that coordinating from commanding to lifting by crane, pulling wind, lifting speed is observed and total manoeuvre of crane operation.Then carry out steel column
Lifting, steel column lifting should be carried out according to the erection sequence of each subregion, and form stable structural system in time, upper and lower steel column butt joint
Mismatch adjustment can add jack to carry out by being welded on the L shape stainless steel strut of lower end capital, and timing is first suitably by interim spiral shell
Bolt loosens, and is then corrected with jack, tightens bolt again after correction is good.If steel column otic placode is the same as between interim connecting cleat
Gap it is excessive, can between column otic placode and interim connecting cleat cushioning steel plate, then tighten bolt again.Finally welded in steel column
Cut off the L shape stainless steel strut of auxiliary corrective before construction, it is noted that not hurt base material when cutting, the capital mark of top steel column
High and axis location can use total station progress, set up steel pipe behaviour in steel column node location in advance in the lifting of upper section steel column
Make body panel, putting up platform securely will there will be security official to exclusively carry out and inspect for acceptance after setting up, qualified rear can be used.
The lifting of roof system main couple is divided into 24 installation units by S3, and each unit has two Pin main couples, two Pin main trusses
Tie-rod and jack truss are filled between frame；
S4, according to live spelling condition, every two Pin main couple forms an assembled rigid unit, by each truss be respectively designated as GHJ1,
GHJ2 ... GHJ47, GHJ1 are divided into three sections of liftings to GHJ9, GHJ25 to GHJ33, and GHJ10 to GHJ24, GHJ25 to GHJ47 are not
Segmentation, lifting order are successively carried out from unit one to unit 24；
S4 carries out the support installation of first segment main couple；
When S5, one section of main couple GHJ1 of construction and installation, hanging device selects a crawler crane and two truck crane cooperation liftings, first
One section of construction hoisting, front and back end two nodes that wind up for lifting one section of main couple are fallen on the lintel of two temporary supports, such as Fig. 4
Shown, forward mount point and support are in place, provisional protection plate are welded when support is installed, for increasing stabilization when truss installa-tion
Property, it avoids deviating when truss installa-tion, 5 points support to form a liptinite, second step steel column of constructing；
S6 then lifts oblique column such as Fig. 2 and such as Fig. 3, then the other end is sling with the crane of a 25t in erection support position,
To designed elevation and first segment main couple related subgroup, steel column installation is in place and completes to reach design to position of joints welding for rotation
Level weld seam requirement after, two cranes that component rear and front end uses twice Q16 wirerope to be tensioned to two sides respectively can off the hook, then
It lifts by crane front end and lifts two sections or next Pin main couple；
S7 carries out the 2nd Pin main couple GHJ2 support installation according to step S4-S6 and the second product main couple GHJ2 carries out installation shape
At the first installation unit；
S8 carries out tie-rod and jack truss installation between two Pin main couples, and the jack truss between adjacent main couple uses overhead connection,
Jack truss docking uses truck crane integral hoisting.It all needs to make to lift by the way that two suspension centres are calculated before every truss structure lifting
Suspension centre uniform force in journey, guarantees the truss balance in hoisting process, and the erection sequence in a standard width of a room in an old-style house presses transversal line
It is successively lifted from a side to the other side；
S9, as shown in Figure 1, circulation above-mentioned steps S4-S7 circulation completes remaining 23 installation unit, roof truss is installed
At, one component of every lifting completion, adjustment, checking measurements axis and absolute altitude, accurate rear firm welding, and in main couple
It installing, repetition measurement main couple axis, absolute altitude, it is ensured that longitudinal main couple holding position during lifting jack truss is accurate,
And it prevents from reversing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of overhanging awning construction method, which comprises the following steps:
S1, point pre-buried to each sill anchor first measure, and pre-embedded bolt all makes in factory process, then on floor
After reinforcing bar binding is completed, embedded sill anchor is carried out according to measurement point, anchor bolt is welded and fixed using reinforcing bar, and in mixed
The solidifying vertical muscle of earth pillar carries out binding and fixing, then removes and is fixed temporarily template, finally carry out concrete placings, it is pre- to complete sill anchor
It buries；
S2 then carries out steel column lifting；
The lifting of roof system main couple is divided into 24 installation units by S3, and each unit has a two Pin main couples, two Pin main couples it
Between fill tie-rod and jack truss；
S4, according to live spelling condition, every two Pin main couple forms an assembled rigid unit, by each truss be respectively designated as GHJ1,
GHJ2 ... GHJ47, GHJ1 are divided into three sections of liftings to GHJ9, GHJ25 to GHJ33, and GHJ10 to GHJ24, GHJ25 to GHJ47 are not
Segmentation, lifting order are successively carried out from unit one to unit 24；
S4 carries out the support installation of first segment main couple；
When S5, one section of main couple GHJ1 of construction and installation, one section of first construction hoisting, the front and back end for lifting one section of main couple is winded up two
Node is fallen on the lintel of two temporary supports, and forward mount point and support are in place, and 5 points support to form a liptinite, construction
Second step steel column；
S6, then lifts oblique column, and the other end, rotation to designed elevation and first segment master are sling with crane in erection support position
Truss related subgroup, component rear and front end use wirerope to be tensioned to two sides respectively, then lift by crane front end and lift two sections or next Pin
Main couple；
S7 carries out the 2nd Pin main couple GHJ2 support installation according to step S4-S6 and the second product main couple GHJ2 carries out installation shape
At the first installation unit；
S8, tie-rod and jack truss installation are carried out between two Pin main couples, and the jack truss between adjacent main couple uses overhead connection；
S9, circulation above-mentioned steps S4-S7 circulation complete remaining 23 installation unit.
2. overhanging awning construction method according to claim 1, which is characterized in that when the support in the step S5 is installed
Weld provisional protection plate.
3. overhanging awning construction method according to claim 1, which is characterized in that the jack truss in the step S8 is one
Erection sequence in a standard width of a room in an old-style house is successively lifted by transversal line from a side to the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043448.4A CN109763569B (en) | 2019-01-17 | 2019-01-17 | Construction method of cantilever awning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043448.4A CN109763569B (en) | 2019-01-17 | 2019-01-17 | Construction method of cantilever awning |
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| CN109763569A true CN109763569A (en) | 2019-05-17 |
| CN109763569B CN109763569B (en) | 2020-12-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112982655A (en) * | 2021-03-10 | 2021-06-18 | 艾奕康设计与咨询(深圳)有限公司 | Spatial steel structure combined by triangular truss and single-layer latticed shell |
| CN113529952A (en) * | 2021-06-21 | 2021-10-22 | 中国航空国际建设投资有限公司 | Awning overhanging structure, building and construction method of awning overhanging structure |
| CN113982284A (en) * | 2021-10-28 | 2022-01-28 | 中铁三局集团建筑安装工程有限公司 | Installation method of large-span special-shaped steel structure toll booth |
| CN115324256A (en) * | 2022-08-22 | 2022-11-11 | 中建七局国际工程建设有限公司 | Stadium overhanging roof based on triangular truss and construction method thereof |
| CN115324360A (en) * | 2022-07-27 | 2022-11-11 | 成都建工第四建筑工程有限公司 | Construction method of large-span suspended truss |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982655A (en) * | 2021-03-10 | 2021-06-18 | 艾奕康设计与咨询(深圳)有限公司 | Spatial steel structure combined by triangular truss and single-layer latticed shell |
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| CN113529952B (en) * | 2021-06-21 | 2022-11-04 | 中国航空规划设计研究总院有限公司 | Awning overhanging structure, building and construction method of awning overhanging structure |
| CN113982284A (en) * | 2021-10-28 | 2022-01-28 | 中铁三局集团建筑安装工程有限公司 | Installation method of large-span special-shaped steel structure toll booth |
| CN115324360A (en) * | 2022-07-27 | 2022-11-11 | 成都建工第四建筑工程有限公司 | Construction method of large-span suspended truss |
| CN115324256A (en) * | 2022-08-22 | 2022-11-11 | 中建七局国际工程建设有限公司 | Stadium overhanging roof based on triangular truss and construction method thereof |
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