CN220414249U

CN220414249U - Combined template and dam concrete cooling structure

Info

Publication number: CN220414249U
Application number: CN202322330045.2U
Authority: CN
Inventors: 吴都督; 罗长青; 周华; 段川; 赵明轩; 侯炼; 朱约喜; 宋玉龙; 何金龙; 周峰; 潘照明; 李恒; 普文刚; 林小港; 穆天虎; 韦龙渊
Original assignee: Sinohydro Bureau 8 Co Ltd; Huaneng Lancang River Hydropower Co Ltd
Current assignee: Sinohydro Bureau 8 Co Ltd; Huaneng Lancang River Hydropower Co Ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-01-30
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a combined template and dam body concrete cooling structure, wherein the combined template comprises a first turning template and a water-through template; the water-through template comprises a tank body and a plurality of connecting pipes, and the connecting pipes penetrate through the bottom wall of the tank body; the first turnover template comprises a first panel, and the first panel is connected with the side wall of the groove body. The combined template and dam body concrete cooling structure has the advantages of simple structure, convenience for site construction, strict control of the distance between the leading-out parts of the rear part of the cooling water pipe dam, ordered arrangement of the water pipes, reduction of the damage risk of the cooling water pipes, convenience for rapid butt joint of the cooling water pipes and the water supply pipelines outside the warehouse surface, timely water supply, cooling of poured concrete and guarantee of the quality of the concrete.

Description

Combined template and dam concrete cooling structure

Technical Field

The present utility model relates to the technical field of the template is that, in particular to a concrete cooling structure of a combined template and a dam body.

Background

In large-volume concrete construction, to avoid excessive temperature stress, reducing the initial concrete temperature rise and controlling the highest temperature and the internal and external temperature difference of the concrete are key to preventing the concrete from generating temperature cracks. The cooling water pipes are pre-buried in concrete and are used for cooling water, so that the cooling water pipes are required to be arranged for cooling the dam according to the design technical requirements in each bin in the dam concrete temperature control process. At present, the cooling water pipe is connected with the water passing cabinet by bypassing the rear mould plate of the dam from the upper part of the bin surface, and the water pipe is messy and cannot be uniformly arranged. Because the water-through time is longer, the cooling water pipe is easy to damage when the template is turned up, and the quality of concrete can be seriously affected by the damage of the cooling water pipe.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a combined template and dam concrete cooling structure, which can orderly arrange the leading-out parts behind a cooling water pipe dam.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a combination template, includes first turnover template, its structural feature is: the water-through template is also included; the water-through template comprises a tank body and a plurality of connecting pipes, and the connecting pipes penetrate through the bottom wall of the tank body; the first turnover template comprises a first panel, and the first panel is connected with the side wall of the groove body.

When the dam body is in concrete construction, the water-through template is arranged at the joint of the concrete cooling water pipe, the bottom wall of the groove body faces the dam body concrete, and the two ends of the connecting pipe are respectively communicated with the cooling water pipe and the water supply pipeline, so that the water pipes are orderly arranged. The water-through template and the first turnover template are combined for use and assembled for alignment. Due to the fact that the water through template is arranged, when the first lifting template lifts upwards, risks of damage to the cooling water pipe can be reduced. According to the combined template, the water-passing template is arranged, so that the leading-out positions of the concrete cooling water pipes of the dam body can be orderly arranged, and the combined template can be quickly connected with a water supply pipeline to pass water in time.

Preferably, a plurality of supporting plates are arranged in the groove body, and the groove body is divided into a plurality of accommodating spaces by the plurality of supporting plates. The supporting plate is arranged, so that the stability of the groove body structure can be enhanced.

Preferably, the plurality of support plates are uniformly arranged along the length direction of the tank body, and the connecting pipes are uniformly arranged in the plurality of accommodating spaces.

Preferably, the device further comprises a plurality of second lifting templates; the second lift-up module includes a second panel, the size of the second panel is equal to the combined size of the first panel and the groove body after being connected, the plurality of second lifting templates are uniformly arranged around the first panel and the groove body along the transverse direction and the longitudinal direction. Because the water-through template is cut and removed after concrete pouring and condensed water-through are finished, the water-through template cannot be reused, and the first lifting template and the second lifting template can be reused. And setting a water-through template with proper size according to the setting condition of the dam body concrete cooling water pipe, and combining the water-through template with the first lifting template and the second lifting template to align the whole template of the dam body.

Preferably, the length of the second panel is equal to the length of the first panel and the length of the groove body, and the height of the second panel is equal to the sum of the height of the first panel and the height of the groove body.

Preferably, the two adjacent second panels and the first panel and the second panel are fixed by fasteners.

Preferably, a first truss support structure is arranged on the first panel, a second truss support structure is arranged on the second panel, and the first truss support structure and the second truss support structure are both arranged on the opening side of the groove body; and the adjacent first truss support structures and the second truss support structures and the adjacent two groups of second truss support structures are connected through adjusting screw rods along the longitudinal direction of the second panel. The adjusting screw rod can adopt a screw jack or a jack.

Preferably, the first panel is provided with an anchoring structure which is connected with the poured concrete, the anchoring structure and the first truss support structure are respectively arranged on two sides of the first panel.

Based on the same inventive concept, the utility model also provides a dam concrete cooling structure, which comprises a water supply pipeline and the combined template; the first panel and the groove body are arranged on the outer side of the dam body concrete body, and the bottom wall of the groove body faces the dam body concrete; and two ends of the connecting pipe are respectively connected with the water supply pipeline and the cooling pipeline in the dam body concrete.

When the concrete is poured to the paving elevation of the cooling water pipe, a water supply pipeline is prepared outside the dam in advance, so that water can be cooled in time after the cooling water pipe is connected to the connecting pipe. The exposed end of the connecting pipe is bound with plastic paper before being connected with the water supply pipeline, so that the connecting pipe is prevented from being blocked, and the connecting pipe, the cooling water pipe and the water supply pipeline can be connected by adopting hot melting.

Compared with the prior art, the utility model has the following beneficial effects: the combined template and dam body concrete cooling structure has the advantages of simple structure, convenience for site construction, strict control of the distance between the leading-out parts of the rear part of the cooling water pipe dam, ordered arrangement of the water pipes, reduction of the damage risk of the cooling water pipes, convenience for rapid butt joint of the cooling water pipes and the water supply pipelines outside the warehouse surface, timely water supply, cooling of poured concrete and guarantee of the quality of the concrete.

Drawings

FIG. 1 is a schematic view of the back structure of a composite form of the present utility model;

FIG. 2 is a schematic diagram of the front structure of FIG. 1;

FIG. 3 is a schematic view of the longitudinal cross-sectional structure of FIG. 1;

FIG. 4 is a schematic view of a connection structure of the adjacent second panel in FIG. 1;

FIG. 5 is a schematic view of the connecting structure of the adjusting screw in FIG. 1;

fig. 6 is a schematic view of the water-passing template in fig. 1.

In the figure:

1-a water-through template; 11-a tank body; 12-connecting pipes; 13-a support plate; 2-a first flip-up template; 21-a first panel; 22-a first truss support structure; 23-an anchoring structure; 3-a second flip-up template; 31-a second panel; 32-a second truss support structure; 4-adjusting a screw rod; 5-poured concrete.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.

In this embodiment, the combined formwork of the present utility model is adopted in each dam section of each concrete bin when concrete of a dam of a hydropower station is poured, and as shown in fig. 1 and 2, the combined formwork includes a water-passing formwork 1, a first lifting formwork 2 and a plurality of second lifting formworks 3, the water-passing formwork 1 is disposed at the top of the first lifting formwork 2, and the plurality of second lifting formworks 3 are uniformly arranged around the water-passing formwork 1 and the first lifting formwork 2. As shown in fig. 6, the water-passing module 1 includes a tank 11, a plurality of connecting pipes 12, and a plurality of supporting plates 13, wherein the plurality of connecting pipes 12 penetrate through the bottom wall of the tank 11. The tank 11 is made by splicing wood templates, the thickness of the wood templates is 2cm, and the size of the tank 11 is 3m multiplied by 1.2m (length multiplied by height). In order to enhance the structural stability of the tank body 11, a plurality of wooden support plates 13 are uniformly arranged every 30cm in the length direction of the tank body 11 and divide the tank body 11 into a plurality of accommodation spaces in which a plurality of connection pipes 12 are uniformly arranged. The connecting pipes 12 are phi 40 steel pipes, the arrangement space among the plurality of connecting pipes 12 is 30cm multiplied by 30cm, and the number of the connecting pipes 12 is matched with the number of cooling water pipes arranged in a dam water-through planning mode. The tank body 11 is also provided with supporting steel bars connected with concrete, thereby ensuring the stability of the water-passing template 1. As shown in fig. 3, the first lifting formwork 2 comprises a first panel 21, a first truss support structure 22 and an anchor structure 23, wherein the first truss support structure 22 and the anchor structure 23 are respectively arranged at two sides of the first panel 21, and the anchor structure 23 is connected with the poured concrete 5. The dimensions of the first panel 21 are 3m x 1.8m (length x height) and the first truss support structure 22 is welded to the back of the first panel 21. The second lift-up formwork 3 comprises a second panel 31 and a second truss support structure 32, the second panel 31 having dimensions of 3m x 3m (length x height). As shown in fig. 5, the second truss support structures 32 adjacent to each other up and down and the first truss support structure 22 are hinged by adjusting screw rods 4, and the adjusting screw rods 4 are screw jacks. As shown in fig. 4, the adjacent two second panels 31 and the adjacent second panels 31 and the first panel 21 are connected by fasteners using m20×60 bolts. The dam mainly adopts the second lifting template 3 to prepare a warehouse, the water passing template 1 and the first lifting template 2 are combined for use, the first panel 21 is arranged on the upper part of the side wall of the groove body 11, and the size of the first panel 21 spliced with the groove body 11 is the same as that of the second panel 31, so that the water passing template 1 and the first lifting template 2 are aligned with the second lifting template 3 after being spliced, and the integral template alignment of the dam is ensured. The second turnover template 3 on the upper layer is provided with serpentine steel bars which are fixed through concrete after concrete pouring. The second turnover template 3 at the bottom of the vertical face is provided with a film-pulling steel bar which is fixed with the bottom concrete, and the inclined plane is also provided with supporting section steel which is fixed with the bottom concrete.

A dam concrete cooling structure comprises a water supply pipeline and the combined template. The first panel 21, the second panel 31 and the groove 11 are all arranged on the outer side of the dam body concrete body, and the bottom wall of the groove 11 faces the dam body concrete. The two ends of the connecting pipe 12 are respectively connected with a water supply pipeline and the cooling pipeline is connected with the cooling pipeline in the dam body concrete. The exposed end of the connecting pipe 12 is bound with plastic paper in front of the water supply pipeline behind the connecting dam to prevent the connecting pipe 12 from being blocked, and the connecting pipe 12, the cooling water pipe and the water supply pipeline are connected by adopting hot melting.

During construction, the water-through template 1 is required to be manufactured in advance, so that the construction of the prepared warehouse is prevented from being influenced. When the concrete is poured to the cooling water pipe laying elevation, a water supply pipeline is prepared outside the dam in advance, so that water can be timely cooled after the cooling water pipe is connected to the connecting pipe 12.

The foregoing examples are set forth in order to provide a more thorough description of the present utility model, and are not intended to limit the scope of the utility model, since modifications of the present utility model, in which equivalents thereof will occur to persons skilled in the art upon reading the present utility model, are intended to fall within the scope of the utility model as defined by the appended claims.

Claims

1. A combined formwork comprising a first lifting formwork (2), characterized in that: the water-through template (1) is also included; the water-through template (1) comprises a groove body (11) and a plurality of connecting pipes (12), wherein the connecting pipes (12) penetrate through the bottom wall of the groove body (11);

the first turnover template (2) comprises a first panel (21), and the first panel (21) is connected with the side wall of the groove body (11).

2. The combination template of claim 1, wherein: a plurality of supporting plates (13) are arranged in the groove body (11), and the groove body (11) is divided into a plurality of accommodating spaces by the supporting plates (13).

3. The combination template of claim 2, wherein: the supporting plates (13) are uniformly arranged along the length direction of the groove body (11), and the connecting pipes (12) are uniformly arranged in the accommodating spaces.

4. The combination template of claim 1, wherein: the device also comprises a plurality of second lifting templates (3); the second lifting templates (3) comprise second panels (31), the size of each second panel (31) is equal to the combined size of the first panels (21) and the groove body (11), and a plurality of second lifting templates (3) are uniformly arranged around the first panels (21) and the groove body (11) along the transverse direction and the longitudinal direction.

5. The combination template of claim 4, wherein: the length of the second panel (31) is equal to the length of the first panel (21) and the length of the groove body (11), and the height of the second panel (31) is equal to the sum of the height of the first panel (21) and the height of the groove body (11).

6. The combination template of claim 4, wherein: the two adjacent second panels (31) and the first panel (21) and the second panel (31) are fixed by fasteners.

7. The combination template of claim 4, wherein: a first truss support structure (22) is arranged on the first panel (21), a second truss support structure (32) is arranged on the second panel (31), and the first truss support structure (22) and the second truss support structure (32) are arranged on the opening side of the groove body (11); in the longitudinal direction of the second panel (31), the adjacent first truss support structures (22) and the second truss support structures (32) and the adjacent two groups of second truss support structures (32) are connected through adjusting screw rods (4).

8. The combination template of claim 7, wherein: the first panel (21) is provided with an anchoring structure (23), the anchoring structure (23) is connected with the poured concrete (5), and the anchoring structure (23) and the first truss support structure (22) are respectively arranged on two sides of the first panel (21).

9. The utility model provides a dam body concrete cooling structure, includes water supply pipe, its characterized in that: a combination template according to any one of claims 1 to 8; the first panel (21) and the groove body (11) are arranged on the outer side of the dam body concrete body, and the bottom wall of the groove body (11) faces the dam body concrete; and two ends of the connecting pipe (12) are respectively connected with a water supply pipeline and a cooling pipeline in the dam body concrete.