CN217678539U - Reinforced concrete arch structure - Google Patents
Reinforced concrete arch structure Download PDFInfo
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- CN217678539U CN217678539U CN202221033223.4U CN202221033223U CN217678539U CN 217678539 U CN217678539 U CN 217678539U CN 202221033223 U CN202221033223 U CN 202221033223U CN 217678539 U CN217678539 U CN 217678539U
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- arch
- formwork
- arch bridge
- reinforced concrete
- bottom plate
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Abstract
The utility model discloses a reinforced concrete arch structure, stride across structure and arch bridge template support system including the arch bridge, arch bridge template support system includes arch bridge template, two arch pier templates and formwork scaffold, arch bridge stridees across the structure and includes bottom plate, arch bridge pontic and two arch piers, large-scale solution cavity both sides are built the arch pier, the arch pier is put up the large-scale solution cavity is strideed across to the arch bridge pontic, do around the solution cavity the hole wall protection, arch bridge pontic is gone up to be built the bottom plate, through the setting of above-mentioned structure, make arch bridge stridees across the structure and compares in that truss structure simple structure, span are great relatively, more economic, and compressive property is better moreover, and good stability is higher.
Description
Technical Field
The utility model relates to a highway engineering construction technical field especially relates to a reinforced concrete arch structure.
Background
The karst geology of China is mainly and intensively distributed in parts of areas such as the cloud, the noble, the three-province, the Shuangguang and the two lakes, and the like, along with the rapid development of the economy of China, the deep implementation of the western major development strategy, the construction strength of the infrastructure of the areas is continuously increased, and the large-scale highway and railway engineering is designed and constructed in succession, so that a large number of engineering problems caused by the karst geology need to be processed. In the southwest area, the construction of the highway can drive the local economy along the line to develop, and has important social and economic values. However, the geology in the southwest area is complex, the selection of lines cannot completely avoid a karst area, the control is carried out by the design cost and the precision, the exploration drilling holes are drilled at regular intervals according to the specifications, the karst cave penetrated by the lines cannot be detected completely, and the karst cave can be processed only after the karst cave is revealed by construction. The most important point of karst cave treatment is to ensure the safety of the construction period and the operation period of the structure, and if the karst cave treatment is not carried out properly, the foundation collapse and the structure damage are probably caused, so that the safety of the highway construction and the operation period can be ensured only by adopting an effective structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects existing in the prior art, the reinforced concrete arch structure is provided.
In order to achieve the above object, the utility model provides a reinforced concrete arch structure, including arch bridge spanning structure and arch bridge formwork support system, arch bridge formwork support system includes arch bridge formwork, two arch pier formworks and formwork scaffold, formwork scaffold is fixed in ground, the both ends of formwork scaffold are the stand form, the middle part of formwork scaffold is upwards protruding, two arch pier formworks are fixed respectively in the both sides of formwork scaffold, the both ends of arch bridge formwork are respectively with two arch pier formworks fixed connection, arch bridge formwork is located between two arch pier formworks, arch bridge formwork with formwork scaffold fixed connection, arch bridge formwork is located the top side in the middle part of formwork scaffold;
the arch bridge spanning structure comprises a bottom plate, an arch bridge body and two arch piers, wherein the bottom plate is fixedly installed at the top of the large karst cave, the two arch piers are respectively and fixedly installed at two sides of the large karst cave, two ends of the arch bridge body are respectively and fixedly connected with the two arch piers, and the arch bridge body is located at the top of the large karst cave.
The reinforced concrete arch structure further comprises a tunnel wall protection, the tunnel wall protection is arranged between the arch bridge body and the bottom plate, and two ends of the tunnel wall protection are fixedly connected with the arch bridge body and the bottom plate respectively.
Wherein the hole wall protection adopts anchor net spraying protection.
And reinforced concrete is poured between the arch bridge body and the bottom plate.
The reinforced concrete arch structure further comprises two support frames, the two support frames are respectively positioned on two sides of the large karst cave, the bottoms of the two support frames are respectively fixedly connected with the two arch piers, and the tops of the two support frames are respectively fixedly connected with two ends of the bottom plate.
The formwork scaffold is composed of a plurality of formwork structures, each formwork structure comprises two H-shaped supporting columns and a supporting plate, two ends of each supporting plate are respectively connected with the two H-shaped supporting columns in a detachable mode, the two H-shaped supporting columns are respectively located at two ends of each supporting plate, and the H-shaped supporting columns of the adjacent formwork structures are connected in a detachable mode.
The beneficial effects of the utility model are embodied in: compared with a truss structure, the arch bridge spanning structure is simple in structure, relatively large in span, more economical, better in compressive property and higher in good stability, the arch pier and the arch bridge formwork supporting system formwork are simple to assemble, formwork supporting is rapid, stress is better, and technical benefits are obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the structural schematic diagram of the reinforced concrete arch structure of the present invention.
Fig. 2 is a schematic view of the arch bridge formwork support system of the present invention.
Fig. 3 is a sectional view of the formwork structure of the present invention.
The method comprises the following steps of 1-bottom plate, 2-arch bridge body, 3-arch pier, 4-large karst cave, 5-tunnel wall protection, 6-arch bridge template, 7-arch pier template, 8-formwork scaffold, 9-support frame, 100-arch bridge spanning structure, 200-arch bridge template support system, 300-formwork structure, 400-fixing structure, 310-H-shaped support column, 311-clamping support, 312-clamping groove, 313-positioning block, 314-connecting port, 320-support plate, 321-connecting block, 322-mounting cavity, 410-clamping sheet and 420-spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the present invention provides a technical solution: a reinforced concrete arch structure comprises an arch bridge crossing structure 100 and an arch bridge formwork supporting system 200, wherein the arch bridge formwork supporting system 200 comprises an arch bridge formwork 6, two arch pier formworks 7 and a formwork scaffold 8, the formwork scaffold 8 is fixed on the ground, two ends of the formwork scaffold 8 are in a column shape, the middle of the formwork scaffold 8 is upwards convex, the two arch pier formworks 7 are respectively fixed on two sides of the formwork scaffold 8, two ends of the arch bridge formwork 6 are respectively fixedly connected with the two arch pier formworks 7, the arch bridge formwork 6 is located between the two arch pier formworks 7, the arch bridge formwork 6 is fixedly connected with the formwork scaffold 8, and the arch bridge formwork 6 is located on the top side of the middle of the formwork scaffold 8;
the arch bridge spanning structure 100 comprises a bottom plate 1, an arch bridge body 2 and two arch piers 3, wherein the bottom plate 1 is fixedly installed at the top of a large karst cave 4, the arch piers 3 are respectively and fixedly installed at two sides of the large karst cave 4, two ends of the arch bridge body 2 are respectively and fixedly connected with the arch piers 3, and the arch bridge body 2 is located at the top of the large karst cave 4.
In the embodiment, according to the size and the type of the large karst cave 4, the formwork supporting scaffolds 8 with proper quantity are selected for assembly, the formwork supporting scaffolds 8 are firstly fixedly installed on the ground, then the arch bridge formworks 6 and the arch pier formworks 7 are respectively assembled, then the arch bridge formworks 6 and the arch pier formworks 7 are supported by the formwork supporting scaffolds 8, the arch piers 3 are respectively built on two sides of the large karst cave 4, the large karst cave 4 is spanned on the arch piers 3, and finally the bottom plate 1 is fixedly installed at the top of the large karst cave 4. Arch bridge stridees across structure 100 and compares in truss structure simple structure, span great relatively, more economical, compressive property is better moreover, good stability is higher, just arch pier 3 with arch bridge template support system 200 templates are assembled simply, and the formwork is swift, and the atress is better, and technical benefit is showing.
Further, the reinforced concrete arch structure further comprises a tunnel wall protector 5, the tunnel wall protector 5 is arranged between the arch bridge body 2 and the bottom plate 1, and two ends of the tunnel wall protector 5 are fixedly connected with the arch bridge body 2 and the bottom plate 1 respectively.
In the present embodiment, the cave wall protection 5 supports the top of the large cavern 4 to prevent the large cavern 4 from collapsing.
Further, the hole wall protection 5 adopts anchor net spraying protection.
In the embodiment, the hole wall protection 5 adopts anchor net spraying protection to enhance the supporting effect on the large karst cave 4.
Further, reinforced concrete is poured between the arch bridge body 2 and the bottom plate 1.
In this embodiment, reinforced concrete is poured between the arch bridge body 2 and the bottom plate 1 to fix the hole wall protector 5, so as to enhance the supporting function of the large karst cave 4 and prevent the large karst cave 4 from collapsing.
Further, the reinforced concrete arch structure further comprises two support frames 9, the two support frames 9 are respectively located on two sides of the large karst cave 4, the bottoms of the two support frames 9 are respectively fixedly connected with the two arch piers 3, and the tops of the two support frames 9 are respectively fixedly connected with two ends of the bottom plate 1.
In this embodiment, the support frame 9 can support the bottom plate 1, and further enhance the support of the arch bridge spanning structure 100 to the large karst cave 4.
Further, the formwork scaffold 8 is composed of a plurality of formwork structures 300, each formwork structure 300 includes two H-shaped supporting columns 310 and a supporting plate 320, two ends of the supporting plate 320 are respectively detachably connected to the two H-shaped supporting columns 310, the two H-shaped supporting columns 310 are respectively located at two ends of the supporting plate 320, and the H-shaped supporting columns 310 of the two adjacent formwork structures 300 are detachably connected to each other.
In this embodiment, the two H-shaped supporting columns 310 are detachably connected to two ends of the supporting plate 320, so as to support the supporting plate 320, and the H-shaped supporting columns 310 are detachably connected to the supporting plate 320, so that the supporting structure 300 can be conveniently carried by a worker.
Further, the bottom of the H-shaped supporting column 310 is provided with a clamping support 311, the H-shaped clamping support 311 and the H-shaped supporting column 310 are integrally formed, the top of the H-shaped supporting column is provided with a clamping groove 312 matched with the clamping support 311, and the clamping support 311 of the H-shaped supporting column 310 of the formwork structure 300 located above is clamped inside the clamping groove 312 of the H-shaped supporting column 310 of the formwork structure 300 located below.
In this embodiment, the clamping bracket 311 is clamped in the clamping groove 312 of another formwork structure 300, so as to realize the connection between two adjacent formwork structures 300.
Further, reinforced concrete arch structure still includes fixed knot constructs 400, the fixed locating piece 313 that is equipped with in side of H shape support column 310, locating piece 313 has connector 314, the fixed connecting block 321 that is equipped with in bottom of backup pad 320, the connecting block 321 is located the inside of connector 314, the connecting block 321 has installation cavity 322, fixed knot constructs 400 and includes fastener piece 410 and spring 420, spring 420 both ends respectively with connecting block 321 and fastener piece 410 fixed connection, spring 420 is located the inside of installation cavity 322, fastener piece 410 with connecting block 321 sliding connection.
In this embodiment, the engaging piece 410 is slidable in the mounting cavity 322, the spring 420 is capable of pressing the engaging piece 410 out of the mounting cavity 322, and when the support plate 320 is mounted on the H-shaped support post 310, the engaging piece 410 is pressed into the mounting cavity 322, the connecting block 321 is inserted into the connecting port 314, the engaging piece 410 is released, and the engaging piece 410 comes out of the mounting cavity 322 by the restoring force of the spring 420 and abuts against the positioning block 313 to fix the support plate 320 to the H-shaped support post 310.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A reinforced concrete arch structure is characterized in that,
the arch bridge formwork support system comprises an arch bridge crossing structure and an arch bridge formwork support system, wherein the arch bridge formwork support system comprises an arch bridge formwork, two arch pier formworks and a formwork scaffold, the formwork scaffold is fixed on the ground, two ends of the formwork scaffold are in a column shape, the middle part of the formwork scaffold is upwards protruded, the two arch pier formworks are respectively fixed on two sides of the formwork scaffold, two ends of the arch bridge formwork are respectively fixedly connected with the two arch pier formworks, the arch bridge formwork is positioned between the two arch pier formworks, the arch bridge formwork is fixedly connected with the formwork scaffold, and the arch bridge formwork is positioned on the top side of the middle part of the formwork scaffold;
the arch bridge spanning structure comprises a bottom plate, an arch bridge body and two arch piers, wherein the bottom plate is fixedly installed at the top of the large karst cave, the two arch piers are respectively and fixedly installed at two sides of the large karst cave, two ends of the arch bridge body are respectively and fixedly connected with the two arch piers, and the arch bridge body is located at the top of the large karst cave.
2. A reinforced concrete arch structure as recited in claim 1,
the reinforced concrete arch structure further comprises a hole wall protection, the hole wall protection is arranged between the arch bridge body and the bottom plate, and two ends of the hole wall protection are fixedly connected with the arch bridge body and the bottom plate respectively.
3. A reinforced concrete arch structure as recited in claim 2,
and the hole wall protection adopts anchor net spraying protection.
4. A reinforced concrete arch structure as recited in claim 3,
and reinforced concrete is poured between the arch bridge body and the bottom plate.
5. A reinforced concrete arch structure as recited in claim 4,
the reinforced concrete arch structure further comprises two support frames, the two support frames are located on two sides of the large karst cave respectively, the bottoms of the two support frames are fixedly connected with the two arch piers respectively, and the tops of the two support frames are fixedly connected with two ends of the bottom plate respectively.
6. A reinforced concrete arch structure as recited in claim 5,
the formwork scaffold is provided with a plurality of formwork structures, each formwork structure comprises two H-shaped supporting columns and a supporting plate, two ends of each supporting plate are respectively connected with the two H-shaped supporting columns in a detachable mode, the two H-shaped supporting columns are respectively located at two ends of each supporting plate, and the H-shaped supporting columns of the adjacent formwork structures are connected in a detachable mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221033223.4U CN217678539U (en) | 2022-04-29 | 2022-04-29 | Reinforced concrete arch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221033223.4U CN217678539U (en) | 2022-04-29 | 2022-04-29 | Reinforced concrete arch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217678539U true CN217678539U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221033223.4U Active CN217678539U (en) | 2022-04-29 | 2022-04-29 | Reinforced concrete arch structure |
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|---|---|
| CN (1) | CN217678539U (en) |
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2022
- 2022-04-29 CN CN202221033223.4U patent/CN217678539U/en active Active
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