CN104912321B - Steel truss formwork support structure for suspended structure and installing method of steel truss formwork support structure - Google Patents
Steel truss formwork support structure for suspended structure and installing method of steel truss formwork support structure Download PDFInfo
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- CN104912321B CN104912321B CN201510155644.2A CN201510155644A CN104912321B CN 104912321 B CN104912321 B CN 104912321B CN 201510155644 A CN201510155644 A CN 201510155644A CN 104912321 B CN104912321 B CN 104912321B
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Abstract
The invention discloses a steel truss formwork support structure for a suspended structure and an installing method of the steel truss formwork support structure. A main stress component of a system consists of a rectangular space truss, and comprises end part trusses, truss standard sections, connecting trusses and diagonal draw bars, wherein each end part truss is used at a connecting part of each truss end part and a main body structure; each truss standard section is used for truss extension; each connecting truss is used in a position, with the length being smaller than that of one truss standard section, of the middle part of each truss and is used for connecting the truss standard sections arranged at the two sides; each diagonal draw bar is made of novel level-3 steel; and the length of each diagonal draw bar can be regulated through rotating a corresponding sleeve arranged at the end part. The support system adopts industrialized and standardized production, can be repeatedly used, has high economical efficiency, and can adapt to formwork supporting of connected suspended structures with different spans and different structural forms. An installing method of adopting cable-stayed suspension installation and laying an operation platform during the installation is adopted, so that the integral stability of the whole support system in the installing process can be improved; the construction is convenient; and the safety is high.
Description
Technical field
The invention mainly relates to hanging structure formwork support structure, it is adaptable to the hanging template of conjoined structure supports.
Background technology
Cantilevered structure, gate-type conjoined structure, high-altitude concave type hanging garden structure, the tall and big indoor communal space
The application in modern architecture of the hanging structure forms such as structure is more and more extensive, and the feature of this class formation is at structure
In high-altitude, structural span is big and general structure build is thick big, in monolateral between the hanging structure of local and agent structure
Build-in or polygon build-in.Conventional construction uses and uses more truss formwork system to have truss-like, oblique pull purlin
Postures etc., after general employing is lifted into high-altitude after ground is welded, welding forms support platform system.
Owing to the change of skyscraper hanging structure Mechanical Builds is various, existing formwork support structure is nearly all only
Can use once, from existing a small amount of tool application example it can be seen that the tool of truss support system and
Commercial application can be greatly improved the economic benefit of support system.
There is research worker that this field has been carried out useful exploration, be described below:
Application No. 200710025457.8, the cable stayed steel truss high form-tie assembly of the invention such as Liu Ying and construction party thereof
Method, is utilized in ground welded truss, then uses crane gear to be lifted into by truss after the height of needs with pre-
Embedded part welds, and by the mid-span deflection of prestressing force brace regulation truss.This truss formwork system hangs
Packing quality is big, needs to carry out overhead welding, and degree of safety is poor, and support system can not reuse, deficiency in economic performance.
Application No. 85203323, the stepless scalable truss bright by state's grey hair, solve truss and span is fitted
Answering sex chromosome mosaicism, but this truss form uses reinforcing bar as lower edge, bearing capacity is poor, it is impossible to support bigger lotus
Carry, and the cross sectional shape of triangle makes it difficult to connect formation system with other truss.
Application No. 200710070230, Lin Yanfei executing of the formwork platform built with Bailey truss invented
Work method, describes and uses the Bailey truss cantilever translation built of scene to plug into behind opposite bank on skyscraper to build
The construction method of aerial vestibule.This construction method poor for applicability, needs certain floor width to execute
Work operates, and is the high building of shear wall for two ends, it is impossible to use, the load applied floor in work progress
Relatively big, support system can not reuse, deficiency in economic performance.
Summary of the invention
For defect and technical problem present in prior art, the invention provides a kind of stepless adjustable truss mould
Board supporting structure, adapts to the framework of different spans, shear wall, silo isostructural tool bracing system,
Repeatable utilization, good economy performance.Using limit truss frame for connecting, the construction method of limit lay-up operation platform, for construction
The operating platform of safety is provided in time, improves safety.
For solving above-mentioned technical problem, present invention employs techniques below scheme: a kind of steel for hanging structure
Truss mould plate supporting construction, including two affixed with agent structure respectively end truss, and truss standard knot,
Brace, truss frame for connecting and lateral support truss,
Described truss standard knot and truss frame for connecting are the truss of coffin structure, and direction is all along the axial length
It is provided with multiple slotted hole, and the length of described slotted hole is more than two diameters of bolt；Described truss standard knot and phase
Adjacent end truss or truss standard knot bolt connect, so that two ends extend and gradually converge；This meet leads to
Cross and be socketed in the truss frame for connecting of two ends truss standard knot and connect, and truss frame for connecting and the energy-conservation relative translation of truss standard
The slotted hole making both can connect without differential regulation alignment, thus forms the hanging structure of entirety, described connection
Between truss and truss standard knot affixed by the bolt through slotted hole, formed without differential regulation connect,；Institute
State the distribution of lateral support truss and be located at the length direction of hanging structure；The two ends of described brace respectively with purlin, end
Frame and agent structure connect.
Further, described truss standard knot is welded by four channel-section steels the truss structure of coffin, described
Slotted hole is located at the edge of a wing, inner side of truss structure.
Further, one end of described end truss is installed with the spiral shell for being connected with the pre-embedded bolt of agent structure
Keyhole, the other end is welded with the otic placode in strap bolt hole, and the edge of a wing, inner side of end truss is provided with slotted hole, oval
The length in hole is more than the spacing of slotted hole.
Further, described lateral support truss is made up of truss joint, and described truss joint is welded flat by angle steel
Surface frame frame, the edge of a wing of described plane framework has the length multiple slotted holes more than spacing, and by bolt by purlin
Frame joint connects without differential regulation.
As preferably, described brace uses new grade III steel.
Present invention also offers the installation method of the above-mentioned steel truss formwork support structure for hanging structure, mainly
Comprise the following steps:
(1) first, the agent structure of both sides is carried out concrete pouring construction presetting preburied part, and by end
Portion's truss installa-tion is fixed in the agent structure of both sides, brace two ends is fixed on end truss and main body simultaneously
In structure；
(2) then, both side ends truss continues steel truss standard knot and brace are installed, and pacify in time
Dress lateral support truss, lays I-steel, wood a tree, used in making timber for boats and plank simultaneously and forms the operating platform encorbelmented；
(3) continuing through operating platform installation truss standard knot makes both sides truss extend and gradually close up；
(4) both sides support platform of encorbelmenting will be when will close up, and measure and close up place's distance, when distance is 1～2 purlin
During frame standard knot length, truss frame for connecting is socketed in advance on last truss standard knot, then lifts to closing up
Place, overlaps the truss standard knot of both sides, and adjusts truss frame for connecting and the truss standard knot phase being attached thereto
To position, form hanging structure with bolt is fixing, lateral sub-truss is then installed；
(5) finally regulate the brace as flexible support, make the pre-arch camber of truss of hanging structure.
Further, actively pull bar technology arch camber pre-to truss is used；Simultaneously to as the reinforcing bar of flexible support, rod iron
Or steel strand is applied with prestressing force, make truss structure carry out Internal Force Redistribution, control support system maximum stress and
Amount of deflection.
Beneficial effect: relative to prior art, the steel truss template of the hanging structure of the present invention is that length can be stepless
The tool-type steel truss of regulation, is attached with the pre-embedded bolt in main building structure, and construction uses both sides pair
Claim oblique pull suspention, the installation method of installation limit, limit lay-up operation platform.This support system uses batch production, standard
Metaplasia is produced, and can reuse, good economy performance；Be adapted to different spans, the disjunctor of different structure form hangs
The formwork of hollow structure；Using oblique pull suspended fixing, the installation method of installation limit, limit lay-up operation platform can improve
Stability in the large in the installation process of whole support system, provides the operating platform of safety in time, carries for construction
High construction convenience and safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of stepless adjustable firm truss mould plate supporting construction of the present invention；
Fig. 2 is the structural representation of end of the present invention truss；
Fig. 3 is the structural representation of truss standard knot of the present invention；
Fig. 4 is the structural representation of truss frame for connecting of the present invention；
Fig. 5 is the structural representation of lateral support truss of the present invention；
Fig. 6 is the structural representation of the bottom top board of brace of the present invention；
Structural representation when Fig. 7 is truss standard knot of the present invention or end truss is connected with truss frame for connecting；
Fig. 8 is the partial enlarged drawing in Fig. 7 at A；
Fig. 9 is the structural representation that truss standard knot of the present invention is connected with end truss or truss standard knot；
Figure 10 is the view in Fig. 9 direction obliquely；
Figure 11 is the view of Fig. 9 diagonal upward direction；
Figure 12 is the distribution schematic diagram of slotted hole on standard truss of the present invention and truss frame for connecting；
Figure 13 is at the bolt under extreme case when being and connect on standard truss of the present invention or truss frame for connecting
Position view on truss slotted hole；
Figure 14 is support system installation process schematic flow sheet of the present invention.
In figure: 1. agent structure, 2. end truss, 3. brace, 4. truss standard knot, 5. truss frame for connecting, 6.
Lateral support truss, 7. slotted hole, 8. otic placode, 9. large diameter bolt hole, 10. circular bolt holes, 11. braces
Hole, 12. bolts, 13. fill plates, 14. connect web member, 15. end top boards, 16. sleeves.
Detailed description of the invention
Below in conjunction with the accompanying drawings and with specific embodiment, it is further elucidated with the present invention.It should be understood that these embodiments are only used
In the explanation present invention rather than restriction the scope of the present invention, after having read the present invention, people in the art
Member all falls within the application claims limited range to the amendment of the various equivalent form of values of the present invention.
As shown in Fig. 1～8, the steel truss formwork support structure for hanging structure of the present invention, main stress
Component is the coffin truss being spliced by four channel-section steels, and coffin truss includes end truss, truss
Standard knot and truss frame for connecting, and brace.End truss is for truss end and agent structure junction, mark
The extension in truss saved by quasi-truss, and truss frame for connecting is used in the middle part of truss at one truss standard knot of curtailment,
The truss standard knot of both sides is linked together.Brace uses new grade III steel, the sleeve scalable of rotary end
The length of pull bar.
Electrodeless adjustable in the following manner obtain: this girder system adjust it is crucial that standard truss and connect purlin
Slotted hole on frame, the size of these bolts hole is all identical, as it was previously stated, the size of these bolts hole is
Having regulation, length L of bolt hole need to be more than two diameters of bolt (Figure 12) of its spacing b.Meet this chi
After very little requirement, standard truss is in any relative position with truss frame for connecting can have enough bolts to be attached,
Extreme case as shown in fig. 13 that, centrage weight between bolt hole center's line of standard truss and the hole of truss frame for connecting
During conjunction, connection request can be met.
As in figure 2 it is shown, the bolt hole of major diameter, Ke Yihe are left in one end that end truss is connected with agent structure
The built-in fitting bolt of agent structure is attached, and the other end is welded with the otic placode with bolt hole, near otic placode
A half truss inboard wing edge leave slotted hole, the length of bolt hole be more than two diameter of bolt length of its spacing.
Truss standard knot as shown in Figure 3, the most also four angle steel are welded the truss of coffin, in purlin
The junction at frame two ends, is the otic placode with bolt hole, and one end opens slotted hole (spiral shell at the web of channel-section steel
Keyhole), the length of slotted hole is more than two diameter of bolt length of its spacing.
Truss frame for connecting as shown in Figure 4, in order to be socketed with truss standard knot or end truss, truss frame for connecting
Exterior flange in length range, leave slotted hole, dimensional requirement is identical with truss standard knot.
As shown in Figure 5 be lateral support truss, truss that it is welded by two angle steel joint forms,
The edge of a wing in the truss plane of chord member has slotted hole, and two truss joints are attached by bolt, can be stepless
The length of difference regulation lateral support, the length of regulation saves between two truss joints at a truss.At lateral
Bolt hole is left at the two ends of support, for being attached with the fill plate on main couple.
As shown in Figure 6, the bottom top board of brace, it is used for connecting brace and main couple, and leaves and main truss
Circular bolt holes that frame is connected and the oblique pull rod aperture that is connected with brace.
Formwork system, in installing enforcement, is first designed by the present invention, then at each component of factory process,
The most at the scene built-in fitting is carried out pre-buried by the casting process of concrete, built-in fitting design to be met requirement.City
After maturation, can the finished steel truss leasing each modulus commercially, it is to avoid interim processing before construction every time
Steel truss.Tool-type, the effect of assembled support system are fully achieved.
Steel truss standard knot is then installed in both sides simultaneously, in the flow chart of Figure 12, uses oblique pull suspention
Form of construction work, after installing a joint main couple, installs a brace immediately and carries out hanging drawing, and installation side in time
To support, lay I-steel, wood a tree, used in making timber for boats, plank etc. so that it is form an operating platform encorbelmented, then proceed to
Truss is installed extend to the middle part of two high buildings.
When the support platform of encorbelmenting of both sides high building will be closed up, measure the distance closing up place, if spacing is at one
Time between two truss standard knot length, final section truss standard knot and truss frame for connecting are socketed, hang simultaneously
Dress, then stretches truss frame for connecting, overlaps with the standard knot of both sides, fix with bolt, then installation side
To support, paving I-steel, wood a tree, used in making timber for boats, plank etc., complete setting up of support platform.
Finally regulate the brace as flexible support, make the pre-arch camber of truss, the height specification to be met of pre-arch camber
Requirement.Brace not as flexible support can be removed after stage+module, or as safety stock
It is continuing with.
The regulation of brace uses actively pull bar technology, can carry out adjusting yoke length by the sleeve of rotary end.
Before construction, line stretch amount should be converted into by needing the prestressing force applied, be controlled by the elongation of control cord
The size of Shi Hanzhang.And by turnbarrel to pull bar Shi Hanzhang.
In truss standard knot and truss frame for connecting, the length of slotted hole more than the diameter of two bolts, truss frame for connecting and
After the socket of truss standard knot, carrying out bolt connection, when the length of socket is longer, bolt connecting hole is more, no
The most less, connecting bolt number need to meet design requirement.In accompanying drawing 7 and Fig. 8.
Connection between truss standard knot or between end truss and standard knot is the most with bolts, bolt hole
It is positioned on otic placode, two oblique web members can be arranged simultaneously, strengthen the shear resistance of junction, such as institute in accompanying drawing 9
Show.
After the top end plate of brace is fixed by bolts on main couple, pre-by brace one end and agent structure
Burying suspension centre to connect, the other end stretches in the preformed hole of top board, fixing such as Figure 10 and Figure 11 with sleeve.
Agent structure is shear wall, is connected by the embedded part bolt on main couple and agent structure, if framework knot
Structure, can directly be shelved on truss on floor, and so centre can connect without truss frame for connecting.
Claims (7)
1. the steel truss formwork support structure for hanging structure, it is characterised in that: include respectively with main body
Two end truss that structure is affixed, and truss standard knot, brace, truss frame for connecting and lateral support truss,
Described truss standard knot and truss frame for connecting are the truss of coffin structure, and direction is designed with along the axial length
Multiple slotted holes, and the length of described slotted hole is more than two diameters of bolt；Described truss standard knot is with adjacent
End truss or truss standard knot bolt connect, so that two ends extend and gradually converge；This meet is by set
The truss frame for connecting being connected on two ends truss standard knot connects, and truss frame for connecting relative translation energy-conservation with truss standard makes
Both slotted holes can connect without differential regulation alignment, thus forms the hanging structure of entirety, described truss frame for connecting
And affixed by the bolt through slotted hole between truss standard knot, formed and connect without differential regulation,；Described side
The length direction of hanging structure it is located to sub-truss distribution；The two ends of described brace respectively with end truss and
Agent structure connects.
The most according to claim 1 for the steel truss formwork support structure of hanging structure, it is characterised in that:
Described truss standard knot is welded by four channel-section steels the truss structure of coffin, and described slotted hole is located at truss
The edge of a wing, inner side of structure.
The most according to claim 1 for the steel truss formwork support structure of hanging structure, it is characterised in that:
One end of described end truss is installed with the bolt hole for being connected with the pre-embedded bolt of agent structure, and the other end welds
Being connected to the otic placode in strap bolt hole, and the edge of a wing, inner side of end truss is provided with slotted hole, the length of slotted hole is more than long
The spacing of circular hole.
The most according to claim 1 for the steel truss formwork support structure of hanging structure, it is characterised in that:
Described lateral support truss is made up of truss joint, and described truss joint is welded plane framework by angle steel, described flat
The edge of a wing of surface frame frame has the length multiple slotted holes more than spacing, and is saved truss without differential regulation by bolt
Connect.
The most according to claim 1 for the steel truss formwork support structure of hanging structure, it is characterised in that:
Described brace uses new grade III steel.
6. the installation of the arbitrary described steel truss formwork support structure for hanging structure of Claims 1 to 5
Method, it is characterised in that comprise the following steps:
(1) first, the agent structure of both sides is carried out concrete pouring construction presetting preburied part, and by end
Portion's truss installa-tion is fixed in the agent structure of both sides, brace two ends is fixed on end truss and main body simultaneously
In structure；
(2) then, both side ends truss continues steel truss standard knot and brace are installed, and pacify in time
Dress lateral support truss, lays I-steel, wood a tree, used in making timber for boats and plank simultaneously and forms the operating platform encorbelmented；
(3) continuing through operating platform installation truss standard knot makes both sides truss extend and gradually close up；
(4) both sides support platform of encorbelmenting will be when will close up, and measure and close up place's distance, when distance is 1～2 purlin
During frame standard knot length, truss frame for connecting is socketed in advance on last truss standard knot, then lifts to closing up
Place, overlaps the truss standard knot of both sides, and adjusts truss frame for connecting and the truss standard knot phase being attached thereto
To position, form hanging structure with bolt is fixing, lateral sub-truss is then installed；
(5) finally regulate the brace as flexible support, make the pre-arch camber of truss of hanging structure.
Installation method the most according to claim 6, it is characterised in that: use actively pull bar technology pre-to truss
Arch camber；Reinforcing bar, rod iron or steel strand as flexible support is applied with prestressing force simultaneously, makes truss structure carry out
Internal Force Redistribution, controls maximum stress and the amount of deflection of support system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510155644.2A CN104912321B (en) | 2015-04-02 | 2015-04-02 | Steel truss formwork support structure for suspended structure and installing method of steel truss formwork support structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155644.2A CN104912321B (en) | 2015-04-02 | 2015-04-02 | Steel truss formwork support structure for suspended structure and installing method of steel truss formwork support structure |
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| CN107448042A (en) * | 2016-05-30 | 2017-12-08 | 五冶集团上海有限公司 | Without top cover steel feed bin top frame platform formwork, release method |
| CN106436890B (en) * | 2016-08-30 | 2019-01-22 | 江苏嘉洋华联建筑装饰股份有限公司 | A kind of interim conversion layer being arranged on flooring |
| CN107355037B (en) * | 2017-07-25 | 2023-11-14 | 创拓控股集团有限公司 | Self-supporting steel truss floor slab supporting system of assembled steel structure building and construction method |
| CN108166626B (en) * | 2017-12-27 | 2019-08-13 | 中国核工业二四建设有限公司 | A kind of big load form bracing system construction method of high-supported formwork multi-composite type |
| CN111794443A (en) * | 2020-07-30 | 2020-10-20 | 上海欧本钢结构有限公司 | Steel bar truss structure resisting downwarping through upper chord jacking device and application thereof |
| CN112962782A (en) * | 2021-01-26 | 2021-06-15 | 四川建筑职业技术学院 | Construction method of overhead corridor and overhead corridor structure |
| CN114622546A (en) * | 2022-03-17 | 2022-06-14 | 中交第三航务工程局有限公司 | Space truss supporting platform, system and method for ultra-deep underground continuous wall |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007071264A1 (en) * | 2005-12-21 | 2007-06-28 | Mostafa, Amal, A. | Lightweight combination (linear move & center pivot) sprinkling irrigation machine |
| CN101100902A (en) * | 2007-07-31 | 2008-01-09 | 龙信建设集团有限公司 | Inclined drawing steel truss high-supported formwork structure system and construction method thereof |
| CN102518300A (en) * | 2011-12-15 | 2012-06-27 | 中国建筑第二工程局有限公司 | Embedded conical bearing joint type steel structural support and construction method thereof |
| US8387339B2 (en) * | 2010-04-20 | 2013-03-05 | Modernfold, Inc. | Adjustable wall support system and method |
| CN204691238U (en) * | 2015-04-02 | 2015-10-07 | 中国中材国际工程股份有限公司 | A kind of steel truss formwork support structure for hanging structure |
-
2015
- 2015-04-02 CN CN201510155644.2A patent/CN104912321B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007071264A1 (en) * | 2005-12-21 | 2007-06-28 | Mostafa, Amal, A. | Lightweight combination (linear move & center pivot) sprinkling irrigation machine |
| CN101100902A (en) * | 2007-07-31 | 2008-01-09 | 龙信建设集团有限公司 | Inclined drawing steel truss high-supported formwork structure system and construction method thereof |
| US8387339B2 (en) * | 2010-04-20 | 2013-03-05 | Modernfold, Inc. | Adjustable wall support system and method |
| CN102518300A (en) * | 2011-12-15 | 2012-06-27 | 中国建筑第二工程局有限公司 | Embedded conical bearing joint type steel structural support and construction method thereof |
| CN204691238U (en) * | 2015-04-02 | 2015-10-07 | 中国中材国际工程股份有限公司 | A kind of steel truss formwork support structure for hanging structure |
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