Bridge pier column formwork heat preservation structure
By designing a bridge pier column formwork insulation structure including reinforcement ribs, fill layers and insulation insulation layers, the problems of high maintenance costs and carbonization of concrete surface during winter construction are solved, and the goal of efficient insulation effect and cost reduction is achieved.
Patent Information
- Application Number
- CN202422181079.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The maintenance cost of bridge pier columns is high during winter construction and the concrete surface is prone to carbonization, which affects the quality.
A bridge pier column formwork insulation structure is designed, including the formwork body, transverse and longitudinal reinforcement ribs, a filling layer in the empty groove, and an insulation insulation layer wrapped outside, and a flexible insulation board and aluminum foil material are used to reduce heat loss.
It effectively improves the insulation effect, reduces costs, avoids the impact of carbon dioxide on the concrete surface, and ensures the quality of the pier column.
Smart Images
Figure CN223047924U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of bridge construction, and more particularly, to a thermal insulation structure for a bridge pier formwork. Background Art
[0002] Concrete mixture is usually poured into a formwork for a bridge pier, and after the concrete solidifies, a solid pier is formed and the formwork is removed. The reason why the concrete mixture gradually coagulates and hardens until it obtains the final strength is due to the hydration of cement. The speed of cement hydration is mainly affected by the temperature in addition to the composition materials and mix ratio of the concrete itself.
[0003] When the temperature rises, the hydration accelerates and the strength growth is also faster; when the temperature drops to 0 °C, a part of the water in the concrete begins to freeze and gradually changes from the liquid phase (water) to the solid phase (ice). At this time, the amount of water participating in the cement hydration decreases. Therefore, the hydration slows down and the strength growth is correspondingly slower. As the temperature continues to drop, when all the water in the concrete becomes ice, that is, when the liquid phase completely changes to the solid phase, the cement hydration basically stops and the strength no longer increases. Therefore, during the pouring process of the pier, it is necessary to carry out thermal insulation and curing for the concrete so that the pier has a higher strength.
[0004] In the prior art, the general measure for curing concrete in winter construction is to use a warm shed for curing, that is, to wrap a thermal insulation canvas outside and let it hang down to the bottom surface of the structure to form a thermal insulation shed, and place a stove inside the shed to ensure that the temperature inside the shed meets the requirements of winter construction. However, the cost of curing with a warm shed is relatively high, and the carbon dioxide emitted will cause the surface of the newly poured concrete to carbonize, affecting the quality.
[0005] Therefore, it is necessary for the inventor to design a new thermal insulation structure for a bridge pier formwork to overcome the above problems. Summary of the Invention
[0006] The main purpose of the present application is to provide a thermal insulation structure for a bridge pier formwork to solve the problems of high curing cost and carbonization of the concrete surface during the concrete pouring process of the pier in the related art.
[0007] To achieve the above purpose, the present application provides a thermal insulation structure for a bridge pier formwork, including a formwork body. A plurality of transverse stiffeners and a plurality of longitudinal stiffeners are fixedly arranged on the outer wall of the formwork body. After all the transverse stiffeners and all the longitudinal stiffeners intersect, a plurality of empty slots are formed. A filling layer is fixedly arranged in the empty slots. A thermal insulation layer is fixedly arranged outside the transverse stiffeners, the longitudinal stiffeners and the filling layer.
[0008] Preferably, the filling layer includes a flexible thermal insulation board, and the flexible thermal insulation board is clamped in the empty slots.
[0009] Preferably, the flexible heat-insulating board is made of a rubber and plastic board.
[0010] Preferably, the heat-insulating layer includes a heat-insulating layer and a heat-reflecting layer, the heat-insulating layer and the heat-reflecting layer are compounded into an integral structure, and the heat-insulating layer is located on the side close to the template body.
[0011] Preferably, the heat-insulating layer is made of a rubber and plastic board.
[0012] Preferably, the heat-reflecting layer is made of aluminum foil.
[0013] Preferably, the heat-insulating layer is fastened to the outer wall of the template body by steel wires.
[0014] Preferably, the thickness of the flexible heat-insulating board is equal to the depth of the empty groove.
[0015] Preferably, the flexible heat-insulating board is in interference fit with the empty groove.
[0016] A bridge pier formwork heat-insulating structure provided by the present utility model has the following beneficial effects compared with the prior art:
[0017] The transverse reinforcing ribs and longitudinal reinforcing ribs play a role in improving the strength of the pier formwork. A filling layer is arranged in the empty groove to avoid the formation of an air pocket inside after installing the heat-insulating layer, thereby preventing the generation of gaps and heat loss. The heat-insulating layer wraps around the entire template body and the outer surfaces of the transverse and longitudinal reinforcing ribs, greatly reducing the heat loss from the surface of the template body and the transverse and longitudinal reinforcing ribs, effectively improving the heat-insulating effect. The heat-insulating material can be reused, effectively reducing the cost, and there is no additional carbon dioxide generated to affect the concrete surface, ensuring the quality of the pier. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The drawings forming a part of this application are used to provide a further understanding of this application, making other features, objects, and advantages of this application more apparent. The schematic embodiments and descriptions thereof of this application are used to explain this application and do not constitute an improper limitation to this application. In the drawings:
[0019] Figure 1 is the overall structure diagram of the present utility model;
[0020] Figure 2 is the exploded view after the cross-section of the present utility model;
[0021] Figure 3 is the present utility model Figure 2 The enlarged view of the structure at A in.
[0022] Wherein: 1. Template body; 2. Transverse reinforcing ribs; 3. Longitudinal reinforcing ribs; 4. Empty grooves; 5. Filling layer; 6. Thermal insulation layer; 601. Thermal insulation layer; 602. Heat insulation layer; 7. Steel wire. Detailed implementation manners
[0023] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.
[0024] It should be noted that the terms "first", "second", etc. in the specification of this application and the above-mentioned accompanying drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to describe the embodiments of this application here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0025] In this application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation or be constructed and operated in a specific orientation.
[0026] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0027] In addition, the meaning of the term "plural" should be two or more.
[0028] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will refer to the accompanying drawings and combine the embodiments to detail this application.
[0029] As Figures 1 to 3 shown, a thermal insulation structure for a bridge pier column formwork includes a formwork body 1. A plurality of transverse stiffeners 2 and a plurality of longitudinal stiffeners 3 are fixedly arranged on the outer wall of the formwork body 1. After all the transverse stiffeners 2 and all the longitudinal stiffeners 3 cross each other, a plurality of empty grooves 4 are formed. A filling layer 5 is fixedly arranged in the empty grooves 4. A thermal insulation layer 6 is fixedly arranged outside the transverse stiffeners 2, the longitudinal stiffeners 3 and the filling layer 5. During operation, since the pier column formwork has to bear the extrusion pressure of the concrete, in order to prevent its deformation, generally, the formwork can be thickened or stiffening ribs can be arranged to improve its bearing capacity. Arranging stiffening ribs has a lower cost and the formwork has a lighter weight, so it is widely used. In this kind of formwork, heat mainly escapes from the surface of the formwork, and a small amount of heat also escapes from the surface of the stiffening ribs. In this embodiment, the transverse stiffeners 2 and the longitudinal stiffeners 3 play a role in improving the strength of the pier column formwork. Arranging the filling layer 5 in the empty grooves 4 can prevent the formation of air pockets inside after installing the thermal insulation layer 6, and thus avoid the situation of heat loss caused by gaps. The thermal insulation layer 6 wraps the entire formwork body 1 and the transverse and longitudinal stiffeners 3, greatly reducing the heat loss from the surface of the formwork body 1 and the transverse and longitudinal stiffeners 3, effectively improving the thermal insulation effect. The thermal insulation material can be reused, effectively reducing the cost, and there is no additional carbon dioxide generated to affect the surface of the concrete, ensuring the quality of the pier column.
[0030] The filling layer 5 includes a flexible thermal insulation board, and the flexible thermal insulation board is clamped in the empty grooves 4; the flexible thermal insulation board is in interference fit with the empty grooves 4. Specifically, the filling layer 5 is selected as a flexible thermal insulation board, which is convenient for performing deformation operations on it before installation. By selecting the interference fit method, the flexible thermal insulation board is clamped in the empty grooves 4 through the extrusion force generated by its own deformation, greatly reducing the construction difficulty of workers. It only needs to cut the length and width of the thermal insulation board slightly larger than the size of the empty grooves 4 when cutting the flexible thermal insulation board.
[0031] The material of the flexible thermal insulation board is a rubber and plastic board. Specifically, the rubber and plastic board has good flexibility, is easy to cut and install, and at the same time it also has good thermal insulation performance, playing a further thermal insulation role while achieving the filling purpose.
[0032] The heat insulation layer 6 includes a thermal insulation layer 601 and a heat insulation layer 602. The thermal insulation layer 601 and the heat insulation layer 602 are compounded into an integral structure, and the thermal insulation layer 601 is located on the side close to the template body 1. The material of the thermal insulation layer 601 is a rubber and plastic board; the material of the heat insulation layer 602 is aluminum foil. Specifically, when the template body 1 is actually used, there are also many structures connected to external devices or fasteners. At this time, it is necessary to cut the heat insulation layer 6 to adapt to these connection structures. At the same time, it is also possible to choose to wrap the heat insulation layer 6 on these connection structures. Through the thermal insulation layer 601 and the heat insulation layer 602, the heat loss from the template body 1 can be minimized to the greatest extent. Here, the rubber and plastic board is selected for the thermal insulation layer 601 to facilitate its bending deformation, and the aluminum foil can reflect most of the heat, achieving the effect of locking most of the heat.
[0033] The heat insulation layer 6 is fastened to the outer wall of the template body 1 by a steel wire 7; specifically, the steel wire 7 is relatively common in the company, and workers can obtain materials locally. When operating, the worker can wind the steel wire 7 around the outside of the heat insulation layer 6 for one week, and then use a tool to tighten it, so that the heat insulation layer 6 closely adheres to the outside of the template body 1 and is not easy to fall off. At the same time, the disassembly is simple, just cut the steel wire 7. In addition, according to the actual situation, using wire ties or tapes can also achieve a similar effect.
[0034] The thickness of the flexible thermal insulation board is equal to the depth of the empty groove 4; specifically, in order to reduce the occurrence of hollowing, the thickness of the flexible thermal insulation board is preferably selected to be equal to the depth of the empty groove 4. In some cases, the thickness of the flexible thermal insulation board can also be slightly greater than the depth of the empty groove 4.
[0035] The above are only the preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A bridge pier formwork insulation structure, comprising a formwork body (1), characterized in that: The outer wall of the template body (1) is fixedly provided with a plurality of transverse reinforcing ribs (2) and a plurality of longitudinal reinforcing ribs (3); all the transverse reinforcing ribs (2) and all the longitudinal reinforcing ribs (3) intersect to form a plurality of empty grooves (4); a filling layer (5) is fixedly provided in the empty grooves (4); and a thermal insulation layer (6) is fixedly provided outside the transverse reinforcing ribs (2), the longitudinal reinforcing ribs (3) and the filling layer (5).
2. A bridge pier formwork insulation structure as claimed in claim 1, characterized in that: The filling layer (5) comprises a flexible thermal insulation board, and the flexible thermal insulation board is clamped in the empty groove (4).
3. A bridge pier formwork insulation structure as claimed in claim 2, characterized in that: The material of the flexible thermal insulation board is a rubber-plastic board.
4. A bridge pier formwork insulation structure as claimed in claim 1, characterized in that: The thermal insulation layer (6) comprises a thermal insulation layer (601) and a thermal insulation layer (602); the thermal insulation layer (601) and the thermal insulation layer (602) are composited into an integral structure; the thermal insulation layer (601) is located on a side close to the template body (1).
5. A bridge pier formwork insulation structure as claimed in claim 4, characterized in that: The material of the thermal insulation layer (601) is a rubber-plastic board.
6. A bridge pier formwork insulation structure as claimed in claim 4, characterized in that: The thermal insulation layer (602) is made of aluminum foil.
7. A bridge pier formwork insulation structure as claimed in claim 1, characterized in that: The thermal insulation layer (6) is fastened to the outer wall of the template body (1) via a steel wire (7).
8. A bridge pier formwork insulation structure as claimed in claim 2, characterized in that: The thickness of the flexible thermal insulation board is equal to the depth of the hollow groove (4).
9. A bridge pier formwork insulation structure as claimed in claim 2, characterized in that: The flexible thermal insulation board is interference fit with the empty groove (4).