CN207974601U - A kind of large size earthing concrete tank dome steel support structure - Google Patents
A kind of large size earthing concrete tank dome steel support structure Download PDFInfo
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- CN207974601U CN207974601U CN201721849894.7U CN201721849894U CN207974601U CN 207974601 U CN207974601 U CN 207974601U CN 201721849894 U CN201721849894 U CN 201721849894U CN 207974601 U CN207974601 U CN 207974601U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 239000004567 concrete Substances 0.000 title claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 24
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of large-scale earthing concrete tank dome steel support structure, including full hall scaffold, lattice column foundation, standard knot moulding bed, supporting rack center disk, truss and I-steel；Lattice column basis instrument is at tank room center；It is fixedly connected with several lattice columns on structure column foundation, constitutes standard knot moulding bed；Supporting rack center disk is fixed on the lattice column of the top；When constructing tank skin last time standard paragraphs, need pre-buried embedded part to weld steel corbel, after tank skin has poured form removal, you can to weld steel corbel on embedded board, truss one end is fixed on the bracket part of concrete tank tank skin, and the other end is fixed in support frame as described above center disk；Truss top is laid with I-steel and sheeting caps.The utility model support construction bearing capacity is strong, and structural system stability is good, and foundation settlement is avoided to cause dome Forming Quality poor；Moulding bed system operating space is big, safe operation, can preferably ensure worker's operation.
Description
Technical field
The utility model belongs to building engineering concrete structure field, and in particular to a kind of large size earthing concrete tank
Dome steel support structure.
Background technology
The dome structure of large-scale earthing tank concrete tank room is mostly arc shell structure, tank room shell span 30m or more,
Lower part headroom is mostly in 20m or more, and shell thickness differs, and usually dome center and periphery are thick, and intermediate region is thin, construction one
As use cast-in-place concrete, therefore, become the characteristics of plate thickness spherical surface, large span, high-supported formwork are dome structure constructions.
Currently, conventional dome construction method is using full hall scaffold.According to previous same type project construction experience,
Though traditional full hall scaffold can complete dome construction, long construction period, scaffold lease expenses height.
Utility model content
The utility model patent is provided aiming at the above problem encountered in traditional full hall scaffold work progress
A kind of large size earthing concrete tank dome steel support structure, i.e. lower part bracing members moulding bed, the form of top full hall scaffold.It uses
Bracing members moulding bed adds local scaffold system to carry out the formwork of dome structure, and the support jig bearing capacity is strong, and structural system is stablized
Property is good, and foundation settlement is avoided to cause dome Forming Quality poor；Moulding bed system operating space is big, safe operation, can preferably ensure
Worker's operation.
A kind of large size earthing concrete tank dome steel support structure, including full hall scaffold, lattice column foundation, standard knot tire
Frame, supporting rack center disk, truss and I-steel；
The lattice column basis instrument is at tank room center；
It is fixedly connected with several lattice columns on the structure column foundation, constitutes standard knot moulding bed；
The supporting rack center disk is fixed on the lattice column of the top；
Described truss one end is fixed on the bracket part of concrete tank tank skin, and the other end is fixed on support frame as described above center
On disk；
The truss top is laid with I-steel and sheeting caps.
Further, the structure type of the logical lattice column basis instrument squarely reinforced concrete pile cap, and it is pre-buried pre-
Buried foot bolt.
Further, the lattice column is that four tubular pillars are used as major bearing structures, and angle steel is utilized between four tubular pillars
It connects integral；Bottom lattice column is connect with lattice column foundation by pre-buried foundation bolt, between neighbouring lattice column
It is connected using high-strength bolt.
Supporting rack center disk described further includes pipe bearing diagonal, tubular pillar support, support base and center disk；
The support base is fixedly connected with the top lattice column；The tubular pillar support lower end and support base is solid
Fixed connection, upper end is fixedly connected with center disk bottom surface；The pipe bearing diagonal upper end is fixedly connected with center disk bottom surface,
Lower end is connected with tubular pillar support.
The utility model advantageous effect：
（1）It accelerates construction progress, improves work efficiency.Compared with traditional whole full hall scaffold support system, saves to take and tear open
Time, especially scaffold remove, and belong to Working in confined space, construction effect is low, can be saved significantly using bracing members moulding bed system
About remove the time.
（2）Support system safety, it is easy to operation.Bracing members moulding bed architecture power transmission is simple, and support platform rigidity is uniform,
Security risk caused by the full hall frame uneven settlement of foundation of tradition can effectively be avoided；Foot is effectively reduced using bracing members moulding bed
Hand cradle scaffolding height reduces to take and tears difficulty open, is conducive to operator's operation.
（3）Green construction economizes on resources.Bracing members moulding bed is spliced using regularization production, bolt, and peace tears facility open, simultaneously
It can be used in turn in project, save construction material.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model support construction；
Fig. 2 is the three-dimensional model diagram of the utility model support construction；
Fig. 3 is the structural schematic diagram of the utility model truss；
Fig. 4 is the side diagram of the utility model supporting rack center disk；
Fig. 5 is the vertical view of the utility model center disk semicircle H profile steel girder；
Fig. 6 is according to the utility model truss installa-tion sequential schematic.
Specific implementation mode
In the following, being described further to the utility model in conjunction with accompanying drawings and embodiments.
Embodiment 1
A kind of large-scale earthing concrete tank dome steel support structure of the utility model, for tank room shell span 30m with
On, lower part headroom 20m or more, what shell thickness differed become plate thickness spherical surface, large span, high-supported formwork dome structure construction branch
Support.It includes full hall scaffold 6, lattice column foundation 1, standard knot moulding bed 2, supporting rack center disk 3, truss 4 and I-steel 5；
In the centrally disposed lattice column foundation 1 in tank room, the structure type of rectangular reinforced concrete pile cap is usually can be set to, and pre-buried
Foundation bolt.Standard knot moulding bed is made of several lattice columns, and lattice column is four tubular pillars as major bearing structures, four
It is integral using Bolted angle connection between tubular pillar, often save that lattice column need to integral lifting be extremely again after loose mail is first completed by ground
In tank room, lattice column is connect with lattice column foundation by pre-buried foundation bolt, is connected using high-strength bolt between column and column, spiral shell
Tethering can be lifted after connecing next time.Supporting rack center disk includes pipe bearing diagonal 7, tubular pillar support 8, support base
9 and center disk 10；Support base 9 is fixedly connected with the top lattice column；Tubular pillar supports 8 lower ends to be fixed with support base 9
Connection, upper end is fixedly connected with 10 bottom surface of center disk；8 upper end of pipe bearing diagonal is fixedly connected with center disk bottom surface, lower end
It supports and connects with tubular pillar, pipe bearing diagonal has several, plays reinforcement effect.
When constructing tank skin last time standard paragraphs, needs pre-buried embedded part to weld steel corbel, poured and torn open in tank skin
After mould, you can weld steel corbel on embedded board, 4 one end of truss is placed on tank skin bracket part, and one end is fallen in support frame as described above
Heart disk 3 is all made of anchor bolt fixed form and fixes.4 top of truss is laid with the I-steel 5 and sheeting caps, I-steel 5 with it is described
4 point of intersection spot welding of truss is fixed.Pass through computer setting-out according to the moulding of dome arc and 6 layout viewing of the full hall scaffold, obtains
Each scaffold upright rod needs the height set up, and then sets up the full hall foot hand upright bar and cross according to full-size drawing at the scene
Bar.The utility model support system bearing capacity is strong, and structural system stability is good, and foundation settlement is avoided to lead to dome Forming Quality
Difference；Moulding bed system operating space is big, safe operation, can preferably ensure worker's operation.
Support construction of the present invention in practice, is installed as follows：
Step 1, the setting of lattice column foundation, the structure type of lattice column basis instrument squarely reinforced concrete pile cap,
And in cushion cap pre-buried corresponding newel anchor bolt, so as to the later stage install lattice column when fix, pre-embedded anchoring bolts are a diameter of
25mm。
Step 2, the installation of standard knot moulding bed, the installation of standard knot moulding bed are lifted using tower crane or truck crane, standard knot moulding bed
Be made of several lattice columns, often save lattice column need to after loose mail is first completed by ground again in integral lifting to tank room, column with
It is connected using high-strength bolt between column, can be lifted next time after being bolted；Each lattice column is that four tubular pillars are made
It is integral using Bolted angle connection between four tubular pillars for major bearing structures.
Step 3, the installation of center rest support disk, center rest support disk are lifted using tower crane or truck crane, if positioned at
On standard knot moulding bed, connected using high-strength bolt between center rest support disk and standard knot moulding bed, it can after being bolted
It carries out lifting standard knot moulding bed next time.Supporting rack center disk include pipe bearing diagonal, tubular pillar support, support base and in
Heart disk；Support base is fixedly connected with the top lattice column；Tubular pillar support lower end be fixedly connected with support base, upper end and
Center disk bottom surface is fixedly connected；Pipe bearing diagonal upper end is fixedly connected with center disk bottom surface, and lower end connects with tubular pillar support
It connects, pipe bearing diagonal has several, plays reinforcement effect.Center disk be bolted by two semicircle H profile steel girders docking and
At.As shown in figure 5, for the vertical view of semicircle H profile steel girder, several bolts hole 11 are reserved in center disk, are connect with truss；
The junction I 12 of tubular pillar support and center disk, the junction I 13 of pipe bearing diagonal and center disk are also shown in figure.
Step 4, the installation of truss, truss are made of steel main beam 14, vertical web rod 15 and brace 16 and lower boom 17, purlin
It is loose mail when frame is marched into the arena, sets up simple assembling jig frame platform with steel pipe on the vacant lot outside tank room, carried out with truck crane or tower crane
Assembling, girder are connected using high-strength bolt, are connected using high-strength axis pin between girder and other rod pieces, and assembly is convenient；Per the purlins Pin
After the completion of frame assembly, using tower crane or truck crane integral hoisting, first, four Pin sub-trusses are symmetrically installed, one end is placed on tank skin
On bracket part, one end is fallen in supporting rack center disk, is all made of anchor bolt fixed form and is fixed.Again along clockwise（Or counterclockwise）
Direction is symmetrically installed remaining truss successively, and is fixed using anchor bolt fixed form.Steel truss designed component type is only 5 kinds（Such as
Shown in Fig. 3）, live serious forgiveness is also improved on the basis of ensuring convenient to assemble and disassemble.
Step 5, the laying of I-steel：, it is laid in truss top, I-steel is fixed with truss point of intersection spot welding；Sheeting caps
It as anti-skidding footing plate, pads between the full hall scaffold upright bar and I-steel, I-steel center spacing, between I-steel center
Away from 800mm.
Step 6, full hall scaffold is set up, and is passed through computer setting-out according to the moulding of dome arc and scaffold layout viewing, is obtained
Go out each scaffold upright rod and need the height set up, scaffold upright rod and cross bar are then set up according to full-size drawing at the scene, stands
Bar span 800mm, cross bar step pitch 1000mm in length and breadth.
It is 40Cr that the utility model truss material, which generally selects Q345B, axis pin material, and yield strength is not less than 885Mpa.
In step 4, all components make accuracy error and meet GB50205《Code for acceptance of construction quality of steel structures》It is required that and
Factory carries out preassembling.In step 6, fastener type steel pipe scaffold should use forging casting to make, and material meets existing country's mark
It is accurate《Scaffold clasp》（Scaffold clasp》（GB15831-2006）Regulation.The fastener that holder uses, torsion is tightened in bolt
When up to 65N mm, it must not destroy.
Comparative example 1
When the dome structure construction of several large-scale earthing tank concrete tank rooms of Hubei engineering, using the full hall of tradition
Scaffold, the support construction as dome structure.Long in time limit, worker's demand is big, and scaffold lease expenses is high.Each dome
Construction all needs to put into a large amount of manpower and materials.
All above-mentioned this intellectual properties of primarily implementation, there is no this new products of implementation of setting limitation other forms
And/or new method.Those skilled in the art will utilize this important information, the above modification, to realize similar execution feelings
Condition.But all modifications or transformation belong to the right of reservation based on the utility model new product.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Any simple modification, equivalent variations and remodeling, still fall within the guarantor of technical solutions of the utility model made by confrontation above example
Protect range.
Claims (4)
1. a kind of large size earthing concrete tank dome steel support structure, including full hall scaffold, which is characterized in that further include lattice
Column foundation, standard knot moulding bed, supporting rack center disk, truss and I-steel；
The lattice column basis instrument is at tank room center；
It is fixedly connected with several lattice columns on the structure column foundation, constitutes standard knot moulding bed；
The supporting rack center disk is fixed on the lattice column of the top；
Described truss one end is fixed on the bracket part of concrete tank tank skin, and the other end is fixed on support frame as described above center disk
On；
The truss top is laid with I-steel and sheeting caps.
2. a kind of large-scale earthing concrete tank dome steel support structure according to claim 1, which is characterized in that described
The structure type of lattice column basis instrument squarely reinforced concrete pile cap, and pre-buried pre-embedded anchoring bolts.
3. a kind of large-scale earthing concrete tank dome steel support structure according to claim 2, which is characterized in that the lattice
Structure column is that four tubular pillars are used as major bearing structures, utilizes Bolted angle connection integral between four tubular pillars；Bottom lattice
Column is connect with lattice column foundation by pre-buried foundation bolt, is connected using high-strength bolt between neighbouring lattice column.
4. a kind of large-scale earthing concrete tank dome steel support structure according to claim 1 or 3, which is characterized in that institute
It includes pipe bearing diagonal, tubular pillar support, support base and center disk to state supporting rack center disk；
The support base is fixedly connected with the top lattice column；The tubular pillar support lower end is fixed with support base to be connected
It connects, upper end is fixedly connected with center disk bottom surface；The pipe bearing diagonal upper end is fixedly connected with center disk bottom surface, lower end
It supports and connects with tubular pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849894.7U CN207974601U (en) | 2017-12-26 | 2017-12-26 | A kind of large size earthing concrete tank dome steel support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849894.7U CN207974601U (en) | 2017-12-26 | 2017-12-26 | A kind of large size earthing concrete tank dome steel support structure |
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| CN207974601U true CN207974601U (en) | 2018-10-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989447A (en) * | 2017-12-26 | 2018-05-04 | 中建三局第二建设工程有限责任公司 | A kind of large-scale earthing concrete tank dome steel support structure and installation method |
| KR20200090388A (en) * | 2019-01-21 | 2020-07-29 | 주식회사 케이엘에스 | Assembling type viewing tower |
| CN112013270A (en) * | 2020-07-07 | 2020-12-01 | 海洋石油工程股份有限公司 | Be applied to bearing structure of large-scale LNG storage tank pressure ring |
| CN114991439A (en) * | 2022-03-14 | 2022-09-02 | 中建八局新型建造工程有限公司 | An ultra-high and large-span umbrella-shaped support combined system and its construction method |
| CN115559562A (en) * | 2022-10-28 | 2023-01-03 | 同济大学 | Radial single jig frame supporting system of cantilever roof steel structure and construction method |
-
2017
- 2017-12-26 CN CN201721849894.7U patent/CN207974601U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989447A (en) * | 2017-12-26 | 2018-05-04 | 中建三局第二建设工程有限责任公司 | A kind of large-scale earthing concrete tank dome steel support structure and installation method |
| KR20200090388A (en) * | 2019-01-21 | 2020-07-29 | 주식회사 케이엘에스 | Assembling type viewing tower |
| KR102147260B1 (en) * | 2019-01-21 | 2020-08-24 | 주식회사 케이엘에스 | Assembling type viewing tower |
| CN112013270A (en) * | 2020-07-07 | 2020-12-01 | 海洋石油工程股份有限公司 | Be applied to bearing structure of large-scale LNG storage tank pressure ring |
| CN114991439A (en) * | 2022-03-14 | 2022-09-02 | 中建八局新型建造工程有限公司 | An ultra-high and large-span umbrella-shaped support combined system and its construction method |
| CN115559562A (en) * | 2022-10-28 | 2023-01-03 | 同济大学 | Radial single jig frame supporting system of cantilever roof steel structure and construction method |
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