CN209722887U - A kind of anti-seismic arch dam support crossbeam formwork structure - Google Patents

Abstract

The utility model discloses a supporting girder formwork structure for an anti-seismic arch dam, which comprises a gate pier, a supporting girder is arranged above the gate pier, a supporting truss is arranged on the gate pier, a concrete prefabricated panel is arranged on the upper end of the supporting truss, and the concrete prefabricated panel The upper end of the gate is provided with a truss support connection mechanism, the support truss is fixedly connected with the gate pier through the connection support, the lower end of the connection support is provided with a fixed connection anchor extending to the inside of the gate pier, and the inside of the gate pier is provided with a fixed connection with the support truss The embedded parts, and the embedded parts are fixedly connected with the fixed connection anchors, the middle part of the gate pier and between the embedded parts are provided with steel connecting parts, and the two ends of the reinforced connecting parts are provided with tie rods between the embedded parts . Beneficial effects: the combined concrete prefabricated panel can realize the rapid installation of the surface formwork without removing the formwork, which greatly shortens the construction period, reduces the construction difficulty and construction cost.

Description

A Formwork Structure for the Supporting Girder of a Seismic Arch Dam

technical field

The utility model relates to the technical field of water conservancy engineering, in particular to an anti-seismic arch dam support girder formwork structure.

Background technique

Concrete arch dams are generally built in relatively narrow and steep river valleys, lacking the conditions for arranging riverside spillways, and the dam body is often used for flood discharge. However, the curvature of the arch dam is constantly changing along the vertical and horizontal directions, which requires that the formwork should be able to move and adjust within a certain range in the vertical and horizontal directions, so as to meet the continuously changing requirements of the dam shape. It can ensure continuous, non-intermittent, fast-rising construction of concrete, and high-efficiency turnover of formwork. This requires a formwork completely different from traditional formwork, and it also needs to be applied to earthquake-resistant arch dam formwork structures.

Aiming at the problems in the related technologies, no effective solution has been proposed yet.

Utility model content

Aiming at the problems in the related technology, the utility model proposes an aseismic arch dam supporting girder formwork structure to overcome the above-mentioned technical problems in the existing related technology.

For this reason, the concrete technical scheme that the utility model adopts is as follows:

An anti-seismic arch dam support girder formwork structure, comprising a gate pier, a support girder is arranged above the gate pier, a support truss is arranged on each of the gate piers, a concrete prefabricated panel is arranged on the upper end of the support truss, the The upper end of the concrete prefabricated panel is provided with a truss support connection mechanism, and the truss support connection mechanism is fixedly connected with the concrete prefabricated panel through a connection support, and the lower end of the connection support is provided with a fixing rod extending to the inside of the concrete prefabricated panel. Connecting anchors, the inside of the gate pier is provided with embedded parts fixedly connected with the support truss, and the middle part of the gate pier is provided with a steel bar connector between the embedded parts, and the steel bar connector Pull rods are arranged between the two ends of and the embedded parts.

Further, the supporting truss is rectangular.

Further, the truss support connection mechanism includes support vertical rod 1 and support vertical rod 2, and the middle part between the support vertical rod 1 and the support vertical rod 2 is provided with a connecting horizontal rod, and the support vertical rod A support slant bar 1 is arranged between the first and the two ends of the support vertical bar 2, and a support slant bar 2 is arranged between the support slant bar 1 and the connecting cross bar.

Further, the first support vertical bar, the second support vertical bar and the connecting horizontal bar, the first support diagonal bar and the second support diagonal bar are all fixedly connected by connecting gussets.

Further, a plurality of suspension rings are arranged on the first support vertical rod.

Further, the back of the prefabricated concrete panel is provided with a protective structure and a ladder structure.

The utility model provides an anti-seismic arch dam supporting girder formwork structure, and the beneficial effects are as follows: the utility model pours the concrete on the gate pier on the dam to support the lower part of the girder, and then the supporting truss and embedded parts on the gate pier Buried in the concrete, the support truss is connected with the concrete prefabricated panel, and then the fixed connection anchor and the connection support are installed on the concrete of the arch dam, and finally only the integral support truss and the concrete prefabricated panel are connected with the connection support, The installation of a formwork structure can be completed. Compared with the traditional structure, the formwork device has the characteristics of avoiding dismantling. The formwork device can reduce the installation time of the warehouse surface formwork. The connection of embedded parts can effectively improve the anti-seismic effect between the arch dam supports, so that the combined concrete prefabricated panel can realize the rapid installation of the surface formwork, and there is no need to remove the formwork, which greatly shortens the construction period, reduces the construction difficulty and construction cost.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a structural schematic diagram of an aseismic arch dam supporting girder formwork structure according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of a supporting truss of an aseismic arch dam supporting girder formwork structure according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a truss support connection mechanism of an aseismic arch dam support girder formwork structure according to an embodiment of the present invention.

In the picture:

1. Gate pier; 2. Support truss; 3. Prefabricated concrete panel; 4. Truss support connection mechanism; 5. Connection support; 6. Fixed connection anchor; 7. Embedded parts; ; 10, support vertical bar one; 11, support vertical bar two; 12, connecting cross bar;

Detailed ways

In order to further illustrate the various embodiments, the utility model provides accompanying drawings, which are a part of the disclosure content of the utility model, which are mainly used to illustrate the embodiments, and can cooperate with the relevant descriptions in the manual to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

According to an embodiment of the utility model, an anti-seismic arch dam supporting girder formwork structure is provided.

Embodiment one:

As shown in Figures 1-3, the formwork structure for the supporting girder of an anti-seismic arch dam according to an embodiment of the present invention includes a gate pier 1, a supporting girder is arranged above the gate pier 1, and a supporting girder is arranged on the gate pier 1. Truss 2, the upper end of the supporting truss 2 is provided with a concrete prefabricated panel 3, and the upper end of the concrete prefabricated panel 3 is provided with a truss support connection mechanism 4, and the truss support connection mechanism 4 is connected to the concrete prefabricated by a connecting support 5 The panel 3 is fixedly connected, and the lower end of the connecting support 5 is provided with a fixed connection anchor 6 extending to the inside of the concrete prefabricated panel 3, and the inside of the gate pier 1 is provided with a prefabricated anchor 6 fixedly connected with the supporting truss 2. Embedded parts 7, the middle part of the gate pier 1 and between the embedded parts 7 are provided with steel bar connectors 8, and tie rods are arranged between both ends of the steel bar connectors 8 and the embedded parts 7 9.

With the help of the above technical scheme, by pouring the concrete on the gate pier 1 on the dam to support the lower part of the girder, and then the support truss 2 and the embedded parts 7 on the gate pier 1 are buried in the concrete, and the support truss 2 and the concrete prefabricated Panel 3 is connected, and then fixed connection anchor 6 and connection support 5 are installed on the concrete of the arch dam. Finally, only the integral support truss 2 and concrete prefabricated panel 3 are connected to the connection support to complete a formwork structure Compared with the traditional structure, the formwork device has the characteristics of avoiding dismantling, and the formwork device can reduce the installation time of the warehouse surface formwork. At the same time, the embedded parts between the gate pier 1 are connected 7 connections, effectively improving the seismic effect between the arch dam supports, so that the combined concrete prefabricated panels can realize the rapid installation of the surface formwork, and there is no need to remove the formwork, which greatly shortens the construction period, reduces the construction difficulty and construction cost.

Embodiment two:

As shown in Figures 1-3, the support truss 2 is rectangular. The truss support connection mechanism 4 includes a support vertical bar one 10 and a support vertical bar two 11, and the middle part between the support vertical bar one 10 and the support vertical bar two 11 is provided with a connecting cross bar 12, the A support slant bar 13 is arranged between the two ends of the support vertical bar 10 and the support vertical bar 2 11 , and a support slant bar 2 14 is arranged between the support slant bar 1 13 and the connecting cross bar 12 . The first support vertical bar 10 , the second support vertical bar 11 and the connecting cross bar 12 , the first support slant bar 13 and the second support slant bar 14 are all fixedly connected by connecting angle plates 15 . A plurality of suspension rings 16 are arranged on the support vertical rod one 10 . The back side of the prefabricated concrete panel 3 is provided with a protective structure and a ladder structure.

To sum up, with the help of the above technical solution of the utility model, by pouring the concrete on the gate pier 1 on the dam to support the lower part of the girder, the support truss 2 and the embedded parts 7 on the gate pier 1 are buried in the concrete. In the soil, the support truss 2 is connected to the concrete prefabricated panel 3, and then the fixed connection anchor 6 and the connection support 5 are installed on the concrete of the arch dam. The installation of a formwork structure can be completed. Compared with the traditional structure, the formwork device has the characteristics of no dismantling, and the formwork device can reduce the installation time of the warehouse surface formwork. The embedded parts 7 between the gate piers 1 are connected to effectively improve the anti-seismic effect between the arch dam supports, so that the combined concrete prefabricated panels can realize the rapid installation of the surface formwork, and there is no need to remove the formwork, which greatly shortens the construction period and reduces the construction cost. Difficulty and construction cost.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (6)

1. a kind of anti-seismic arch dam supports crossbeam formwork structure, which is characterized in that including gate pier (1), set above the gate pier (1) It is equipped with support crossbeam, is provided with sub-truss (2) on the gate pier (1), the upper end of the sub-truss (2) is provided with coagulation The upper end of native prefabricated panel (3), the concrete prefabricated panel (3) is provided with truss support bindiny mechanism (4), the truss branch Support bindiny mechanism (4) is fixedly connected by connecting support (5) with the concrete prefabricated panel (3), the connecting support (5) Lower end, which is provided with, extends to being fixedly connected anchor (6) for concrete prefabricated panel (3) inside, and the inside of the gate pier (1) is set It is equipped with the built-in fitting (7) being mutually fixedly connected with the sub-truss (2), the middle part of the gate pier (1) and is located at the built-in fitting (7) it is provided between rebar connector (8), is provided between the both ends and the built-in fitting (7) of the rebar connector (8) Pull rod (9).

2. a kind of anti-seismic arch dam according to claim 1 supports crossbeam formwork structure, which is characterized in that the sub-truss It (2) is rectangle.

3. a kind of anti-seismic arch dam according to claim 1 supports crossbeam formwork structure, which is characterized in that the truss support Bindiny mechanism (4) includes vertical supporting rod one (10) and vertical supporting rod two (11), and the vertical supporting rod one (10) and the support are perpendicular Middle part between bar two (11) is corresponding is provided with connection cross bar (12), the vertical supporting rod one (10) and the vertical supporting rod two (11) it is provided with knighthead one (13) between both ends, is set between the knighthead one (13) and the connection cross bar (12) It is equipped with knighthead two (14).

4. a kind of anti-seismic arch dam according to claim 3 supports crossbeam formwork structure, which is characterized in that the vertical supporting rod One (10), the vertical supporting rod two (11) and the connection cross bar (12), the knighthead one (13) and the knighthead It is mutually fixedly connected by connecting corners (15) between two (14).

5. a kind of anti-seismic arch dam according to claim 3 supports crossbeam formwork structure, which is characterized in that the vertical supporting rod Several hanging rings (16) are provided on one (10).

6. a kind of anti-seismic arch dam according to claim 1 supports crossbeam formwork structure, which is characterized in that the concrete is pre- The back side of panel (3) processed is provided with safeguard structure and ladder structure.