CN201391014Y - Combined cylindrical arched shell of steel bar truss and concrete - Google Patents
Combined cylindrical arched shell of steel bar truss and concrete Download PDFInfo
- Publication number
- CN201391014Y CN201391014Y CN200920106431U CN200920106431U CN201391014Y CN 201391014 Y CN201391014 Y CN 201391014Y CN 200920106431 U CN200920106431 U CN 200920106431U CN 200920106431 U CN200920106431 U CN 200920106431U CN 201391014 Y CN201391014 Y CN 201391014Y
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- steel bar
- concrete
- arch
- steel
- bar girder
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Abstract
The utility model relates to a novel combined cylindrical arched shell of a steel bar truss and concrete, which belongs to the structural engineering technical field. The combined cylindrical arched shell structure consists of channeled steel plates, the steel bar truss arch and the concrete. The steel bar truss arch consists of upper chord longitudinal steel bars, lower chord longitudinal steel bars and web bars, wherein the upper chord longitudinal steel bars and the lower chord longitudinal steel bars are respectively in spot welding connection with the web bars, the lower chord longitudinal steel bars of the steel bar truss are in spot welding connection with steel cushion blocks welded on the channeled steel plates, undercuts of the channeled steel plates are spliced to form an arched shell with optional width, and the concrete is cast inside the arched shell, thereby forming the combined cylindrical arched shell structure of the steel bar truss and the concrete after the concrete is solidified. The arched shell structure is fine in integral property and convenient in construction, saves cost, is suitable for field construction, has extremely high integral resistance and capacity of bearing local impact, and is an excellent protective engineering structure form.
Description
Technical field
The utility model relates to a kind of new reinforcing steel bar truss and concrete compound pier areal arch shell, belongs to technical field of structural engineering.
Technical background
At the fifties, pure concrete cylinder arch shell is widely used as building roof engineering, but along with the appearance of new material and the progress of construction technology, this pure concrete cylinder arch shell is owing to necessary supporting template fluid concrete in work progress, it is huge to consume a large amount of mould materials and formwork workload, cause work progress very complicated, thereby in engineering is used, progressively be eliminated.
Desire is built a kind of can the opposing such as the contour drag structure of earthquake, guided missile and the power of nuclear explosion, can make the preventive works of convenient construction under the very poor situation of condition in the open air again, and up to the present also nobody proposes this class formation.Based on this, the present invention proposes a kind of novel built-up arch shell structure, it is combined by steel bar girder arch, the profiled sheet that is welded on the steel bar girder intrados or steel plate and concrete structure.
The advantage of this combining structure is:
One, in work progress, the steel bar girder arch has formed supporting template with the profiled sheet or the steel plate of its bottom surface, do not need independent formwork system, cancellation independent the supporting template waste of material and the formwork workload that cause, and, in work progress, still can not form formwork system according to the job practices that reinforcement manner adopted of ordinary reinforced concrete; Its two, after concrete pouring was finished and solidified, steel bar girder arch formed integral body with the profiled sheet or the steel plate of its bottom surface with concrete, has the ability of resisting outside greater impact load; They are three years old, the steel bar girder arch makes up the combining structure that the back forms with the profiled sheet of its bottom surface or the cage construction and the concrete of steel plate formation, than dispose the mode of longitudinal reinforcement and stirrup and the built-up arch shell that forms with the bottom surface steel plate according to ordinary reinforced concrete, the former can bear bigger impact load, is particularly suitable for preventive works.
The utility model content
Steel bar girder that the utility model proposes and concrete compound pier areal arch shell, its purpose is to provide a kind of novel built-up arch shell structure to be used for preventive works, be characterized in this combining structure withstand shocks the very capable of load and easy construction and saving cost.
Steel bar girder that the utility model proposes and concrete compound pier areal arch shell is characterized in that described combined cylindrical surface arched shell structure is made up of with concrete seven profiled sheet 1, steel bar girder arch; Described steel bar girder arch is made up of with abdomen muscle 4 longitudinal reinforcement 2 that winds up, lower edge longitudinal reinforcement 3; The described longitudinal reinforcement 2 that winds up, lower edge longitudinal reinforcement 3 adopt spot welding to be connected with abdomen muscle 4 respectively; The lower edge longitudinal reinforcement of described steel bar girder is connected by spot welding with steel cushion block 6 on being welded on profiled sheet 1, and the steel bar girder arch forms the arch template system with profiled sheet thus; Described undercut splicing 5 by profiled sheet, the arch shell of formation random length; Concreting again in described arch shell, treat concrete setting after, just form described steel bar girder and concrete compound pier areal arch shell structure.
In combinations thereof cylinder arch shell, the thickness of described steel bar girder and concrete compound pier areal arch shell changes according to requirement of shelter.
In combinations thereof cylinder arch shell, described profiled sheet 1 adopts high ductility steel rolling to form, and thickness is about 3mm.
In combinations thereof cylinder arch shell, it is the fine steel rib of 3～6mm that described abdomen muscle 4 adopts diameter.
Steel bar girder that the utility model provides and concrete compound pier areal arch shell structure, overall performance is good, easy construction, save cost, being fit to field construction, having very high whole drag and bear local ability of hitting, is a kind of outstanding preventive works form of structure.
Description of drawings
Fig. 1 is the utility model steel bar girder and concrete compound pier areal arch shell structure schematic diagram.
Fig. 2 is the utility model steel bar girder and concrete compound pier areal arch shell structure schematic cross-section.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
Shown in Fig. 1～2, the 1-profiled sheet 2-longitudinal reinforcement 3-lower edge longitudinal reinforcement 4-abdomen muscle 5-steel plate undercut 6-steel cushion block 7-concrete that winds up.
Steel bar girder that the utility model proposes and concrete compound pier areal arch shell structure are made of with concrete arch shell 7 jointly profiled sheet 1, steel bar girder arch.The steel bar girder arch is made up of with abdomen muscle 4 reinforcing bar 2 that winds up, lower edge reinforcing bar 3, and longitudinal reinforcement 2,3 adopts spot welding with being connected of abdomen muscle 4.Steel spacer welded 6 is connected by spot welding on the longitudinal reinforcement of steel bar girder and the profiled sheet, and the steel bar girder arch can form the arch template system with profiled sheet thus.By the undercut splicing 5 of profiled sheet, can form the arch shell of random length.Concreting again, treat concrete setting after, just form steel bar girder and concrete compound pier areal arch shell structure.
Theoretical and experiment showed, that this combined cylindrical surface arched shell structure has following tangible advantage:
In combinations thereof cylinder arch shell structure, the shortcoming of participating in two kinds of form of structure of combination is overcome in combining structure, and the two cooperative bearing, the steel concrete that compression capability is outstanding places top, and the superior profiled sheet plate of tension ability places the bottom, and each several part can both be given full play to advantage separately like this.
In combinations thereof cylinder arch shell structure, reinforcing bar is formed truss and is subjected to force mode reasonable, and steel bar girder arch and profiled sheet have been completed into stressed integral body behind concreting, use as safeguard structure, can more effectively resist impact load structural damage.
In combinations thereof cylinder arch shell structure, the steel bar girder arch can be used as the formwork system use with the integral body that profiled sheet forms before concreting, can save the cost and the expense of a large amount of template supports like this, also can satisfy the specific demand that the safeguard structure needs carry out construction operation in the open air especially.
In combinations thereof cylinder arch shell structure, in work progress, provide rigidity with profiled sheet by steel bar girder, this has solved the thin excessively insufficient rigidity problem that causes of profiled sheet, applicable to the bigger arch shell construction operation of span.
In combinations thereof cylinder arch shell structure,, can form the domes of various different spans and rise by the splicing of profiled sheet.Splicing between each unit board needs special the making, prevents that the interlock between impact load effect lower steel plate from destroying, and causes the broken concrete back tamper protection thing that drops.
Claims (4)
1, steel bar girder and concrete compound pier areal arch shell is characterized in that, described combined cylindrical surface arched shell is made up of with concrete (7) profiled sheet (1), steel bar girder arch; Described steel bar girder arch is made up of with abdomen muscle (4) the longitudinal reinforcement that winds up (2), lower edge longitudinal reinforcement (3); The described longitudinal reinforcement that winds up (2), lower edge longitudinal reinforcement (3) adopt spot welding to be connected with abdomen muscle (4) respectively; The lower edge longitudinal reinforcement of described steel bar girder is gone up steel spacer welded (6) with profiled sheet (1) and is connected by spot welding, and the steel bar girder arch forms the arch template system with profiled sheet thus; Described undercut splicing (5) by profiled sheet, the arch shell of formation any width; Concreting again in described arch shell, treat concrete setting after, just form described steel bar girder and concrete compound pier areal arch shell.
2, combined cylindrical surface arched shell according to claim 1 is characterized in that, the thickness of described steel bar girder and concrete compound pier areal arch shell changes according to requirement of shelter.
3, combined cylindrical surface arched shell according to claim 1 is characterized in that, described profiled sheet (1) adopts high ductility steel rolling to form, and thickness is about 3mm.
4, combined cylindrical surface arched shell according to claim 1 is characterized in that, it is the fine steel rib of 3～6mm that described abdomen muscle (4) adopts diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106431U CN201391014Y (en) | 2009-03-20 | 2009-03-20 | Combined cylindrical arched shell of steel bar truss and concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106431U CN201391014Y (en) | 2009-03-20 | 2009-03-20 | Combined cylindrical arched shell of steel bar truss and concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391014Y true CN201391014Y (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920106431U Expired - Fee Related CN201391014Y (en) | 2009-03-20 | 2009-03-20 | Combined cylindrical arched shell of steel bar truss and concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391014Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587496A (en) * | 2012-04-10 | 2012-07-18 | 韦灼彬 | Spatial combined arched shell structure with two layers of cylindrical surfaces |
-
2009
- 2009-03-20 CN CN200920106431U patent/CN201391014Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587496A (en) * | 2012-04-10 | 2012-07-18 | 韦灼彬 | Spatial combined arched shell structure with two layers of cylindrical surfaces |
| CN102587496B (en) * | 2012-04-10 | 2015-03-25 | 韦灼彬 | Spatial combined arched shell structure with two layers of cylindrical surfaces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20130320 |