CN111550039A - Formwork support system and application construction method and construction structure thereof - Google Patents

Abstract

The invention relates to a formwork support system and its application construction method and construction structure. The formwork support system includes a first work frame, a second work frame, a first formwork, a second formwork, a first support rod and a second support rod. The first work frame and the second work frame are connected with the shear wall; the first formwork is connected with the second formwork; one end of the first support rod is connected with the first work frame, and the other end is connected with the The first template is connected, one end of the second support rod is connected with the second work frame, and the other end is connected with the second template. The first work frame and the second work frame can provide support and fixation for the first formwork and the second formwork, avoid the expansion of formwork during the pouring process, ensure the pouring quality and verticality of the wall, and ensure the construction quality. In addition, the application construction method of the above-mentioned formwork support system has simple steps and convenient operation, and is suitable for popularization and application.

Description

Formwork support system and its application construction method and construction structure

technical field

The invention relates to the field of building construction, in particular to a formwork support system and an applied construction method and construction structure thereof.

Background technique

Super high-rise structures refer to residential, public buildings or comprehensive buildings with a total building height of more than 100 meters. With the continuous development of building construction technology, super high-rise structures appear in more and more building structures.

For super high-rise structures constructed with steel platforms, when using steel platforms for construction, the formwork system in the traditional practice includes the combination of aluminum formwork and steel platform.

However, the combination of aluminum formwork and steel platform has the following problems. Due to its low rigidity, the aluminum formwork is prone to expansion during the construction process, and the pouring quality and verticality of the wall cannot be guaranteed.

SUMMARY OF THE INVENTION

Based on this, it is necessary to solve the problem that the above-mentioned formwork system is prone to bulging during the construction process, and the pouring quality and verticality of the wall cannot be guaranteed. Formwork support system and its application construction method and construction structure.

A formwork support system, comprising:

The first work frame and the second work frame are respectively located on opposite sides of the shear wall and connected with the shear wall;

A first template and a second template, the first template and the second template are arranged in parallel and located above the first work frame and the second work frame, respectively, and the first template and the second template are connected ;

A first support rod and a second support rod, one end of the first support rod is connected with the first work frame, the other end is connected with the first template, and one end of the second support rod is connected with the second work frame connected, and the other end is connected with the second template.

In one embodiment, a surface of the first formwork away from the second formwork is provided with a first back ridge, the first back ridge extends along the height direction of the first formwork, and the second formwork is far away from all the The surface of the first formwork is provided with a second back ridge, and the second back ridge extends along the height direction of the second formwork.

In one embodiment, the first support rod is connected to the first formwork through the first back ridge, and the second support rod is connected to the second formwork through the second back ridge.

In one embodiment, a plurality of connecting pieces are provided on both the first back ridge and the second back ridge, the first support rod is connected with the first template through the connecting pieces, and the first support rod is connected to the first template. The two support rods are connected with the second template through the connecting piece.

In one embodiment, the surfaces of the first formwork and the second formwork away from each other are provided with transverse back ridges, and the transverse back ridges are perpendicular to the first back ridge or the second back ridge.

In one embodiment, the structures of the first work frame and the second work frame are the same.

In one embodiment, the shape of the first work frame is a triangle, and the first work frame includes a transverse rod, a vertical rod and an inclined rod connected end to end in sequence, and the vertical rod is parallel to the shear wall.

In one embodiment, the first work frame includes a connecting plate, and the connecting plate is disposed at the connection between the cross bar and the inclined bar.

In one embodiment, the first formwork and the second formwork are detachably connected by a plurality of tension bolts.

The application construction method of the above-mentioned formwork support system includes the following steps:

After the substructure concrete reaches the preset strength, tie the superstructure steel bars;

installing a first formwork and a second formwork, the first formwork and the second formwork are respectively located on both sides of the upper reinforcement structure;

connecting the first template and the second template;

installing a first work frame and a second work frame, the first work frame and the second work frame are respectively located on both sides of the substructure concrete and connected with the substructure concrete;

A first support rod is used to connect the first formwork and the first work frame, and a second support rod is used to connect the second formwork and the second work frame to complete the construction of the formwork support system.

A construction structure includes a steel platform and the above-mentioned formwork support system, wherein the formwork support system is located above and connected with the steel platform.

When the above-mentioned formwork support system is applied, when the constructed shear wall reaches the preset strength, the reinforcement bars of the superstructure are bound, the first formwork and the second formwork are installed, and then the first work frame and the second work frame are installed, and the first work frame and the second work frame are installed. A work frame and a second work frame are connected to the shear wall, and finally the first support rod and the second support rod are installed, the first template is connected with the first work frame through the first support rod, and the second support rod is connected by the second support rod. The formwork is connected with the second work frame, and finally the concrete is poured. The first work frame and the second work frame can provide support and fixation for the first formwork and the second formwork, avoid the expansion of the formwork during the pouring process, ensure the pouring quality and verticality of the wall, and ensure the construction quality. The construction progress is accelerated, and the consumption of human and financial resources is also reduced. In addition, after the construction is completed, the above-mentioned formwork support system can be disassembled for cyclic construction, which meets the requirements of green construction. The application construction method of the above-mentioned formwork support system has simple steps and convenient operation, and is suitable for popularization and application.

Description of drawings

FIG. 1 is a side view of a formwork support system of one embodiment.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 , a formwork support system 1 of an embodiment includes a first work frame 10 , a second work frame 12 , a first formwork 20 , a second formwork 22 , a first support rod 30 and a second support rod 32 . The first work frame 10 and the second work frame 12 are respectively located on opposite sides of the shear wall 2 and are connected to the shear wall 2; the first formwork 20 and the second formwork 22 are arranged in parallel and are respectively located in the Above the first work frame 10 and the second work frame 12, the first template 20 and the second template 22 are connected; one end of the first support rod 30 is connected to the first work frame 10, and the other end is connected to the first work frame 10. One end is connected to the first template 20 , one end of the second support rod 32 is connected to the second work frame 12 , and the other end is connected to the second template 22 .

When the above-mentioned formwork support system is applied, when the constructed shear wall 2 reaches the preset strength, the superstructure steel bars are bound, the first formwork 20 and the second formwork 22 are installed, and then the first work frame 10 and the second work frame are installed. 12, and connect the first work frame 10 and the second work frame 12 with the shear wall 2, and finally install the first support rod 30 and the second support rod 32, and connect the first template 20 with the first support rod 30 through the first support rod 30. The work frame 10 is connected, the second formwork 22 is connected with the second work frame 12 through the second support rod 32, and finally the concrete is poured. The first work frame 10 and the second work frame 12 can provide support and fixation for the first formwork 20 and the second formwork 22. Therefore, the expansion of formwork during the pouring process is avoided, and the pouring quality and verticality of the wall are guaranteed. , to ensure the construction quality, speed up the construction progress, but also reduce the consumption of human and financial resources. .

The first work frame 10 and the second work frame 12 are used to provide fixed support for the formwork support system, are located on opposite sides of the shear wall 2 respectively, and are both connected to the shear wall 2 . Wherein, the first work frame 10 and the second work frame 12 can be connected to the shear wall 2 individually, or can be directly connected to the shear wall 2 through other components. For example, the first work frame 10 and the second work frame 12 may be connected by the tension bolts 106 . In addition, during the construction of the shear wall 2, the connecting parts of the first work frame 10 and the second work frame 12 can be embedded in the shear wall 2. For example, steel plates can be embedded before the shear wall 2 is poured, which is convenient for The first work frame 10 and the second work frame 12 are connected to the shear wall 2 . In addition, according to the size of the first formwork 20 and the second formwork 22, the number of the first work frame 10 and the second work frame 12 may be multiple, so as to improve the stability of the support.

In this embodiment, the structures of the first work frame 10 and the second work frame 12 are the same, which can simplify the manufacturing process and help shorten the manufacturing period. The first work frame 10 and the second work frame 12 are both steel structures, so that the formwork support system has high strength. In this embodiment, the first work frame 10 and the second work frame 12 are triangular structures. The triangle has high stability, so that the first work frame 10 is not easily deformed when it is subjected to an external force, thereby ensuring the stability of the formwork support system. In order to simplify the description, the first work frame 10 is taken as an example for description below.

As shown in FIG. 1 , in this embodiment, the first work frame 10 includes a horizontal bar 100 , a vertical bar 102 and an oblique bar 104 connected end to end in sequence, and the vertical bar 102 is parallel to the shear wall 2 . The vertical rod 102 is parallel to the shear wall 2 , that is, a right-angled side of the first work frame 10 abuts against the shear wall 2 , which facilitates the connection of the first work frame 10 and the second work frame 12 . For example, the vertical rods 102 of the first work frame 10 and the vertical rods 102 of the second work frame 12 are both provided with bolt holes, so that the pull bolts 106 can pass through, and then the first work frame 10 and the second work frame 12 are connected. connect. In this embodiment, the horizontal bar 100 and the oblique bar 104 are channel steel, and the vertical bar 102 is angle steel. Specifically, the horizontal bar 100 and the oblique bar 104 are 8# channel steel, the vertical bar 102 is 6.3# equilateral angle steel, and the steel grade is Q235. In addition, it should be noted that the horizontal bar 100 , the vertical bar 102 and the oblique bar 104 may be connected end to end by welding, or may be detachably connected by bolts.

Further, in this embodiment, the first work frame 10 includes a connecting plate 110 , and the connecting plate 110 is disposed at the connection between the cross bar 100 and the inclined bar 104 . The connection plate 110 is used to provide a connection point for the connection of the first support rod 30 . For example, holes may be formed on the connecting plate 110 to facilitate the penetration of bolts, so as to connect the first support rod 30 and the connecting plate 110 detachably. In addition, the first support rod 30 and the connecting plate 110 may also be fixedly connected by welding. In this embodiment, the connecting plate 110 is an angle steel, which is connected to the connection between the cross bar 100 and the oblique bar 104 by welding.

After the construction of the lower shear wall 2 is completed and the preset strength is reached, the first formwork 20 and the second formwork 22 can be installed after binding the reinforcing bars of the superstructure. For the convenience of description, the first template 20 and the first work frame 10 are located on the same side, and correspondingly, the second template 22 and the second work frame 12 are located on the same side. The installation positions of the first formwork 20 and the second formwork 22 are determined according to the positions of the reinforcing bars of the superstructure, and after the installation positions are determined, the first formwork 20 and the second formwork 22 are connected. As shown in FIG. 1 , in the present embodiment, the first template 20 and the second template 22 are connected by a pair of tension bolts 106 . In addition, the material of the first template 20 and the second template 22 is aluminum, that is, the first template 20 and the second template 22 are both aluminum templates. Since the rigidity of the aluminum formwork itself is small, the fixing and support of the first work frame 10 and the second work frame 12 can ensure that the aluminum formwork is firmly fixed, avoid the expansion of the aluminum membrane plate, and ensure the quality of concrete pouring and the concrete wall. The flatness of the body pour.

In this embodiment, the surface of the first template 20 away from the second template 22 is provided with a first back ridge 200, the first back ridge 200 extends along the height direction of the first template 20, the The surface of the second template 22 away from the first template 20 is provided with a second back ridge, and the second back ridge extends along the height direction of the second template 22 . The surfaces of the first template 20 and the second template 22 away from each other are provided with vertical back corrugations. That is, the outer surfaces of the first formwork 20 and the second formwork 22 are provided with vertical back corrugations to enhance the rigidity of the first formwork 20 and the second formwork 22 and prevent the first formwork 20 and the second formwork 22 from appearing during the pouring process Expansion.

In this embodiment, the first support rod 30 is connected to the first template 20 through the first back ridge 200 , and the second support rod 32 is connected to the second template through the second back ridge 200 . 22 connections. Further, a plurality of connecting pieces 202 are provided on the first back ridge 200 and the second back ridge, and the first support rod 30 is connected with the first template 20 through the connecting pieces 202, The second support rod 32 is connected to the second template 22 through the connecting piece 202 . Specifically, the connecting piece 202 is provided with a hole, one end of the first support rod 30 is connected with the connecting plate 110 on the first work frame 10 , and the other end is connected with the connecting piece 202 . In this embodiment, the first support rod 30 is a steel pipe, one end of which is connected to the first work frame 10 by bolts, and the other end is connected to the first back corrugated 200 by bolts, thereby playing a supporting role. In addition, the first support bar 30, the first back corrugation 200 and the cross bar 100 form a triangular structure, which improves the stability of the support.

At the same time, in order to improve the stability of the support, the number of the first support rods 30 may be multiple, which are respectively connected with the multiple connection pieces 202 on the first back corrugation 200 . As shown in FIG. 1 , in this embodiment, the connecting plate 110 is provided with two holes, the number of the first support rods 30 is two, and the two first support rods 30 are respectively connected with the two holes. In this embodiment, the first support rod 30 is a steel pipe with a diameter of 48 mm and a wall thickness of 3 mm. The structures of the second support bar 32 and the second back flute are the same as the structures of the first support bar 30 and the first back flute 200, and will not be repeated here.

In addition, in this embodiment, the surfaces of the first formwork 20 and the second formwork 22 away from each other are provided with lateral back ridges 210, the lateral back ridges 210 and the first back ridges 200 or the The second back is vertical. The transverse back flute 210 is perpendicular to the first back flute 200 or the second back flute, so that a mesh structure is formed on the outer surface of the first die plate 20 and the outer surface of the second die plate 22, and the first die plate 20 and the second die plate 22 are improved. stability. Specifically, the transverse back flute 210 on the first template 20 is located between the first back flute 200 and the first die plate 20 , and the transverse back flute 210 is welded or detachably connected to the first back flute 200 . In this embodiment, the first template 20 and the second template 22 are both steel plates. In addition, the transverse back corrugation 210 is provided with a hole for the tie bolt to pass through, thereby connecting the first template 20 and the second template 22 .

The following describes the application and construction method of the above-mentioned formwork support system, which specifically includes the following steps:

Step 1: After the concrete of the lower structure reaches the preset strength, tie the steel bars of the upper structure. During the construction of the structure, the embedded parts of the first work frame 10 and the second work frame 12 are firstly embedded. After the concrete strength of the substructure is reached, the formwork of the substructure is removed to expose the embedded parts, and then the reinforcement bars of the superstructure are bound.

Step 2: Install the first formwork 20 and the second formwork 22, the first formwork 20 and the second formwork 22 are respectively located on both sides of the upper reinforcement structure.

Step 3: Connect the first formwork 20 and the second formwork 22; the installation positions of the first formwork 20 and the second formwork 22 can be determined according to the superstructure reinforcement. A template 20 and a second template 22 are connected. In this embodiment, in order to improve the stability of the connection, a plurality of tension bolts 106 may be used to connect the first template 20 and the second template 22 .

Step 4: Install the first work frame 10 and the second work frame 12, the first work frame 10 and the second work frame 12 are respectively located on both sides of the lower structure concrete and connected to the lower structure concrete. The shear wall 2 is formed after the concrete of the substructure reaches the preset strength. The first work frame 10 and the second work frame 12 are respectively located on opposite sides of the shear wall 2 and connected to the shear wall 2 .

Step 5. Use the first support rod 30 to connect the first template 20 and the first work frame 10, and use the second support rod 32 to connect the second template 22 and the second work frame 12 to complete the template support construction of the system. The first support rod 30 is detachably connected to the first template 20 and the first work frame 10, and can be recycled after construction is completed, which is beneficial to saving construction costs.

It should be noted that the first work frame 10 and the second work frame 12 are both fabricated and assembled using tools, which are first produced in the factory and then spliced on site. The strength of the connection to the pull screw ensures that the first work frame 10 and the second work frame 12 are firmly fixed to the shear wall 2 . The tool-made first work frame 10 and the second work frame 12 are easy to disassemble and install, can be recycled, and meet the requirements of green construction. Moreover, the above-mentioned application construction method has simple steps and is easy to operate.

The above-mentioned formwork support system can also be combined with a steel platform to form a construction structure, and the formwork support system is located above and connected to the steel platform. The strength of the first work frame 10 and the second work frame 12 should meet the requirements of bearing the force of the first support rod 30 and the second support rod 32, and at the same time, the placement positions of the first work frame 10 and the second work frame 12 should be avoided. The support column of the steel platform and the hanging scaffolding.

Therefore, the above-mentioned formwork support system is aimed at the problem that in the super high-rise building using the combination of aluminum formwork and steel platform, the aluminum formwork is prone to bulging during construction due to its low rigidity, and the pouring quality and verticality of the wall cannot be guaranteed. The first work frame 10 and the second work frame 12, the first connecting rod and the second connecting rod provide temporary support for the construction of the aluminum formwork, ensure the safety and verticality of the aluminum formwork during the concrete pouring process, ensure the construction quality, and speed up the construction. The construction progress reduces the consumption of manpower and financial resources, and meets the requirements of green construction.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. a formwork support system, is characterized in that, comprises: The first work frame and the second work frame are respectively located on opposite sides of the shear wall and connected with the shear wall; A first template and a second template, the first template and the second template are arranged in parallel and located above the first work frame and the second work frame, respectively, and the first template and the second template are connected ; A first support rod and a second support rod, one end of the first support rod is connected with the first work frame, the other end is connected with the first template, and one end of the second support rod is connected with the second work frame connected, and the other end is connected with the second template. 2 . The formwork support system according to claim 1 , wherein a surface of the first formwork away from the second formwork is provided with a first back ridge, and the first back ridge is along the length of the first formwork. 3 . Extending in the height direction, the surface of the second template away from the first template is provided with a second back ridge, and the second back ridge extends along the height direction of the second template. 3 . The formwork support system according to claim 2 , wherein the first support rod is connected to the first formwork through the first back ridge, and the second support rod passes through the second back ridge. 4 . The flute is connected to the second template. 4 . The formwork support system according to claim 3 , wherein a plurality of connecting pieces are provided on the first back ridge and the second back ridge, and the first support rod passes through the connecting pieces. 5 . Connected with the first template, the second support rod is connected with the second template through the connecting piece. 5 . The formwork support system according to claim 2 , wherein the surfaces of the first formwork and the second formwork away from each other are provided with transverse back ridges, and the transverse back ridges and the first back The flute or the second back flute is vertical. 6. The formwork support system according to claim 4, wherein the first work frame and the second work frame have the same structure. 7 . The formwork support system according to claim 6 , wherein the shape of the first work frame is a triangle, and the first work frame comprises a horizontal bar, a vertical bar and an oblique bar connected end to end in sequence, and the The vertical rod is parallel to the shear wall. 8 . The formwork support system according to claim 7 , wherein the first work frame comprises a connecting plate, and the connecting plate is arranged at the connection between the cross bar and the inclined bar. 9 . 9. an application construction method of the formwork support system described in any one of claim 1-8, is characterized in that, comprises the following steps: After the substructure concrete reaches the preset strength, tie the superstructure steel bars; installing a first formwork and a second formwork, the first formwork and the second formwork are respectively located on both sides of the upper reinforcement structure; connecting the first template and the second template; installing a first work frame and a second work frame, the first work frame and the second work frame are respectively located on both sides of the substructure concrete and connected with the substructure concrete; A first support rod is used to connect the first formwork and the first work frame, and a second support rod is used to connect the second formwork and the second work frame to complete the construction of the formwork support system. 10. A construction structure, characterized by comprising a steel platform and the formwork support system according to any one of claims 1-8, the formwork support system being located above and connected to the steel platform.

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