CN216714409U - Hydraulic jacking template for one-step pouring of concrete for large-span spherical dome - Google Patents
Hydraulic jacking template for one-step pouring of concrete for large-span spherical dome Download PDFInfo
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- CN216714409U CN216714409U CN202220015472.4U CN202220015472U CN216714409U CN 216714409 U CN216714409 U CN 216714409U CN 202220015472 U CN202220015472 U CN 202220015472U CN 216714409 U CN216714409 U CN 216714409U
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Abstract
The utility model relates to the technical field of building construction, in particular to a hydraulic jacking template for one-step pouring of concrete for a large-span spherical dome. The hydraulic jacking template for the large-span spherical dome by pouring concrete at one time is provided with a template support, a truss system and a hydraulic control system; the template bracket is provided with a main edge and a secondary edge; the main ridges are arranged along the radial direction of the dome; the secondary edge is provided with a radial secondary edge which is positioned below the panel and is arranged radially; the radial secondary corrugation is arranged on the circumferential secondary corrugation; the radial secondary edge is supported on the main edge, and the upper load is transmitted to the ground through the main edge and the upright post; the upright posts of the truss system are arranged at intervals; hydraulic jacking oil cylinders are arranged between other stand columns and the template support except the outermost vertical truss stand column in the plurality of stand columns; auxiliary supports are arranged between adjacent vertical truss stand columns; the auxiliary support comprises an inclined support and an annular support screw rod which are arranged in the radial direction. The utility model solves the problem of one-step molding of the concrete poured by the large-span spherical dome hydraulic jacking template.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a large-span spherical dome one-step pouring device
And (5) building a concrete hydraulic jacking template.
Background
Along with the rapid development of tunnel construction, higher requirements are put forward on the secondary lining construction of tunnel engineering; the underground spherical dome is used as an important structural form of tunnel engineering, and has the characteristics of safety improvement, quality improvement, simple and quick construction and the like. During the full section prefabricated construction of spherical dome, after having installed spherical dome integral hydraulic formwork, carry out the reinforcement cage ligature, carry out the monolithic after the ligature reinforcement cage and pour, have advantages such as safety, quality, construction speed are fast, industrialization degree height, not only accelerated the engineering progress, practiced thrift the cost moreover, directly influenced the quality of two linings of dome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to design a hydraulic jacking template for one-step pouring of concrete for a large-span spherical dome, which can better solve the problems of steel bar binding and one-step pouring of large-span concrete and effectively ensure the quality of the concrete, aiming at the problems of steel bar binding and one-step pouring forming of the large-span spherical dome.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hydraulic jacking template for one-time concrete pouring of a large-span spherical dome is provided with a template support, a truss system and a hydraulic control system; the formwork support for supporting the formwork is provided with a main edge and a secondary edge 7; the main ridges are arranged along the radial direction of the dome; the secondary edge is provided with a radial secondary edge which is positioned below the panel and is arranged in the radial direction; the radial secondary ridges are arranged on the circumferential secondary ridges and are firmly connected by iron wires; the radial secondary edge is supported on the main edge, and the upper load is transmitted to the ground through the main edge and the upright post; the upright posts of the truss system are arranged at intervals; hydraulic jacking oil cylinders are arranged between other upright columns and the template support except the outermost vertical truss upright column in the plurality of upright columns; auxiliary supports are arranged between the adjacent vertical truss stand columns; the auxiliary support comprises an inclined support and an annular support screw rod which are arranged in the radial direction.
The truss system upright post is supported by a screw rod and channel steel as auxiliary supports.
The template bracket is welded, the welding height is consistent with the thickness of the steel plate, and the welding length and the interval are uniform and consistent.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the design of the truss girder upright post, hydraulic control and system support, the problem of one-step forming of concrete poured by the large-span spherical dome hydraulic jacking template is solved. The hydraulic system of the template is changed, so that the template can be suitable for pouring various underground spherical dome concretes with large caving degrees.
2. Through adjustment hydraulic cylinder and lead screw, the template forms wholly, guarantees even atress, and spherical dome reinforcement and concrete placement quality have been ensured to effectual ligature reinforcing bar.
3. The whole spherical dome hydraulic jacking template is composed of profile steel and a jack, local materials are convenient to obtain and recycle, the spherical dome hydraulic jacking template is repeatedly used, and the quality and the efficiency are practically improved.
Drawings
Fig. 1 is a schematic view of a hydraulic lifting formwork for one-time pouring of concrete for a large-span spherical dome provided by the utility model.
Fig. 2 is a connection diagram of a hydraulic lifting template for one-time pouring of concrete for a large-span spherical dome provided by the utility model.
Fig. 3 is a schematic diagram of a hydraulic lifting template framework for one-step pouring of concrete by using a large-span spherical dome.
Figure 4 is a pair of spherical dome of large-span once concreting hydraulic pressure jacking template face board schematic diagram that provides.
In the figure: the method comprises the following steps of 1-upright post, 2-hydraulic jacking oil cylinder, 3-supporting screw rod, 4-main ridge, 5-baffle plate, 6-template positioning hole, 7-secondary ridge and 8-template.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects easy to understand, embodiments of the utility model are further described below with reference to the detailed description.
As shown in fig. 1 to 4, the hydraulic jacking formwork for one-time casting of the large-span spherical dome is provided with a formwork support, a truss system and a hydraulic control system; the template bracket is provided with a main edge 4 and a secondary edge 7; the main ridge 4 is arranged along the radial direction of the dome; the secondary edge 7 is provided with a radial secondary edge which is arranged radially and positioned below the panel; the radial secondary ridges are arranged on the circumferential secondary ridges and are firmly connected by iron wires; the radial secondary edge is supported on the main edge 4, and the upper load is transmitted to the ground through the main edge 4 and the upright post 1; the annular secondary ridges 7 are made of 14# I-shaped steel, and the distance is 600 mm; the radial secondary ridges 7 are made of 50 multiplied by 100mm square wood, and the circumferential distance is 300 mm; the template is made of a 6mm thick steel plate, and a plurality of upright posts 1 of the truss system are arranged at intervals; the upright post of the truss system is made of a steel pipe with the diameter of 350mm and the wall thickness of 12mm, and the door beam is made of a 350 multiplied by 12 square pipe; hydraulic jacking oil cylinders 2 are arranged between other upright columns 1 and the template support except the outermost vertical truss upright column in the plurality of upright columns; auxiliary supports are arranged between the adjacent upright columns 1; the auxiliary support comprises an inclined support and an annular support screw rod 3 which are arranged in the radial direction.
The truss system upright post is supported by a screw rod and channel steel as auxiliary supports.
The template bracket is welded, the welding height is consistent with the thickness of the steel plate, and the welding length and the interval are uniform and consistent.
In conclusion, the hydraulic jacking formwork is used for construction, and the structural sizes and material specifications of the upright posts, the screw rods and the like can be correspondingly adjusted according to the size of the spherical dome. The hydraulic jacking template for the large-span spherical dome through one-step concrete pouring has the characteristics of good practicability, simplicity and convenience in manufacturing and use and the like, and solves the technical problem of deformation caused by uneven stress in the construction process of the large-span spherical dome concrete.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made by the present invention in the form of equivalent flow schemes, or applied directly or indirectly to other related technical fields are also included in the scope of the present invention.
Claims (3)
1. The utility model provides a spherical dome of large-span once pours concrete hydraulic pressure jacking template which characterized in that: the hydraulic jacking template for the primary concrete pouring is provided with a template support, a truss system and a hydraulic control system; the formwork support for supporting the formwork is provided with a main edge and a secondary edge; the main ridges are arranged along the radial direction of the dome; the secondary edge is provided with a radial secondary edge which is positioned below the panel and is arranged radially; the radial secondary ridges are arranged on the circumferential secondary ridges and are firmly connected by iron wires; the radial secondary edge is supported on the main edge, and the upper load is transmitted to the ground through the main edge and the upright post; the upright posts of the truss system are arranged at intervals; hydraulic jacking oil cylinders are arranged between other upright columns and the template support except the outermost vertical truss upright column in the plurality of upright columns; auxiliary supports are arranged between the adjacent vertical truss stand columns; the auxiliary support comprises an inclined support and an annular support screw rod which are arranged in the radial direction.
2. The hydraulic jacking formwork for the one-time pouring of the concrete for the large-span spherical dome according to claim 1, wherein: the truss system upright post is supported by a screw rod and channel steel as auxiliary supports.
3. The hydraulic jacking formwork for the one-time pouring of the concrete for the large-span spherical dome according to claim 1, wherein: the template bracket is welded, the welding height is consistent with the thickness of the steel plate, and the welding length and the interval are uniform and consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015472.4U CN216714409U (en) | 2022-01-06 | 2022-01-06 | Hydraulic jacking template for one-step pouring of concrete for large-span spherical dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015472.4U CN216714409U (en) | 2022-01-06 | 2022-01-06 | Hydraulic jacking template for one-step pouring of concrete for large-span spherical dome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216714409U true CN216714409U (en) | 2022-06-10 |
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ID=81889568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220015472.4U Active CN216714409U (en) | 2022-01-06 | 2022-01-06 | Hydraulic jacking template for one-step pouring of concrete for large-span spherical dome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216714409U (en) |
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2022
- 2022-01-06 CN CN202220015472.4U patent/CN216714409U/en active Active
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