Fabricated steel structure building waterproof structure manufacturing method and waterproof structure

Abstract

The application relates to the field of building, and discloses a prefabricated steel structure waterproof structure manufacturing method and the waterproof structure. In the application, a plurality of guide wall blocks are quickly assembled on a floor slab embedded with connecting pieces to form a guide wall through prefabricated guide wall blocks, nylon hanging nets are arranged on the surfaces of the guide wall and the floor slab adjacent to the wall corner joints formed by the guide wall and the floor slab, mortar is applied on the hanging nets to form an isolation layer, waterproof paint is applied on the surface of the isolation layer to form a waterproof layer, and a decorative layer is arranged on the waterproof layer, so that the prefabricated steel structure is adapted to the mode without cast-in-place joints, the waterproof demand of the prefabricated steel structure building is simply and effectively met, stable waterproof effect is obtained, and the manufacturing period of the guide wall in the waterproof structure is greatly shortened compared with the manufacturing mode of the guide wall in the traditional formwork supporting cast-in-place.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building, in particular to a prefabricated steel structure building waterproof structure manufacturing method and waterproof structure. BACKGROUND

[0002] Steel structure building is a common building mode at present, and prefabricated steel structure building is a very new building mode. In recent years, the state has been developing prefabricated buildings and promoting the transformation and upgrading of the construction industry.

[0003] As a new building mode, prefabricated steel structure has obvious advantages over the common steel structure building. The prefabricated steel structure component connection node is more conducive to on-site installation, and advocates the use of bolt connection. The traditional steel structure outer wall and internal partition wall are more wet work block walls by secondary masonry, while the prefabricated steel structure uses more materials such as pc external wall panel, thermal and decorative integrated panel, uhpc hanging panel, alc batten and light steel keel wall. The prefabricated steel structure has no on-site cast-in-place node, and uses a large number of bolt connections during installation, has good assembly, and the installation speed is very fast, which can shorten the construction period and ensure the construction quality. Compared with concrete buildings, prefabricated steel structure buildings have the characteristics of high strength, light weight and better economic performance.

[0004] However, prefabricated steel structure also has its own limitations, such as: in the water area or moisture-proof area of the general bathroom, shower room, etc., the wall root should be provided with a guide wall to achieve the effect of waterproofing and moisture-proofing. The traditional concrete building can pour the guide wall together when pouring the beam and slab, and the waterproof effect can be achieved by integral pouring, but the beam of the steel structure modular building is a steel structure beam, the floor is a light weight concrete assembly board, and the main structure is prefabricated. There is no cast-in-place structure, so it cannot be constructed by using the traditional waterproof structure manufacturing method. SUMMARY

[0005] The purpose of the present application is to provide a prefabricated steel structure building waterproof structure manufacturing method and waterproof structure, which can adapt to the mode of prefabricated steel structure without cast-in-place node, and simply and effectively meet the waterproofing requirements of prefabricated steel structure building.

[0006] To solve the above technical problems, the embodiment of the present application provides a prefabricated steel structure building waterproof structure manufacturing method, which comprises the following steps:

[0007] The prefabricated guide wall block is provided with a connecting hole at the bottom;

[0008] A plurality of guide wall blocks are assembled on the floor slab in which the connecting pieces are embedded to form a guide wall, and the connecting pieces are matched with the connecting holes of the guide wall blocks;

[0009] The gap formed by the joint of the guide wall and the floor is a corner joint, a nylon mesh is arranged on the surface of the guide wall and the floor adjacent to the corner joint, and a waterproof layer is formed by applying mortar on the nylon mesh;

[0010] A waterproof layer is formed by applying waterproof paint on the surface of the isolation layer, and a decorative layer is arranged on the waterproof layer.

[0011] Preferably, before the step of arranging the nylon mesh on the surface of the guide wall and the floor adjacent to the corner joint, the guide wall joint formed by splicing between the corner joint and the guide wall block is filled and sealed with waterproof mortar.

[0012] Preferably, after the step of filling and sealing the guide wall joint with waterproof mortar, the corner joint and the guide wall joint are pasted and sealed with a butyl waterproof adhesive tape.

[0013] Preferably, arranging the decorative layer on the waterproof layer specifically includes: applying waterproof cement mortar on the waterproof layer to form a smoothing layer, and arranging a skirting line on the smoothing layer.

[0014] Preferably, the connecting member is a bolt or a steel bar, and the bolt is inserted and assembled in the connecting hole of the guide wall block after the connecting hole is filled with a steel bar adhesive, so as to form the guide wall.

[0015] Preferably, the prefabricated guide wall block is made of lightweight concrete material.

[0016] The application also provides an assembled steel structure building waterproof structure, which comprises a guide wall composed of a plurality of guide wall blocks, the guide wall blocks are fixedly connected with a floor through connecting holes at the bottom and connecting members are embedded in the floor, a sealing layer is arranged at the guide wall joint between the guide wall blocks and the guide wall blocks and the corner joint of the guide wall and the floor, a protective layer is arranged on the periphery of the sealing layer, and a decorative layer is arranged on the protective layer.

[0017] Further, the sealing layer comprises waterproof mortar and / or a butyl waterproof adhesive tape, and the waterproof mortar and / or the butyl waterproof adhesive tape are used to seal the guide wall joint and the corner joint.

[0018] Further, the protective layer comprises a nylon mesh arranged on the surface of the guide wall and the floor adjacent to the corner joint and a cement mortar isolation layer attached to the nylon mesh, and a waterproof layer formed by applying waterproof paint on the isolation layer.

[0019] Further, the decorative layer comprises a smoothing layer arranged on the periphery of the protective layer and a skirting line arranged on the smoothing layer.

[0020] The application has the following beneficial effects compared with the prior art:

[0021] 1. In the prefabricated steel structure building mode, the prefabricated guide wall block is used, the connecting hole is arranged on the guide wall block, and the connecting piece is arranged on the floor slab, so that the guide wall is made without wetting in the prefabricated steel structure building mode without cast-in-place joints, the prefabricated operation mode is realized, and the guide wall manufacturing period in the waterproof structure of the application is greatly shortened compared with the traditional formwork cast-in-place guide wall manufacturing mode.

[0022] 2. The butyl tape is used to seal the wall joint and the guide wall joint, so that the wall joint and the guide wall joint are in an elastic sealing state, and the waterproof effect of the wall joint and the guide wall joint can be maintained for a long time.

[0023] 3. The nylon hanging net is arranged on the adjacent guide wall and floor slab surface at the wall corner joint, and the mortar is used as the isolation layer on the surface of the hanging net, so that the adhesion of the mortar can be effectively increased, the cracking of the protective layer can be effectively prevented, and the waterproof performance of the protective layer can be maintained. BRIEF DESCRIPTION OF DRAWINGS

[0024] One or more embodiments are illustrated by way of example in the accompanying drawings that are not intended to be limiting of the embodiments. Like reference numbers in the drawings indicate like elements unless otherwise specified. The drawings in which:

[0025] Figure 1 is a schematic diagram of the prefabricated steel structure building waterproof structure in the application.

[0026] FIG. 1 is a schematic diagram of the prefabricated steel structure building waterproof structure in the application. DETAILED DESCRIPTION

[0027] To make the objectives, technical solutions, and advantages of the present application clearer, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, those skilled in the art can understand that, in the embodiments of the present application, many technical details are proposed to make the readers better understand the present application. However, the technical solutions claimed in each claim of the present application can be realized even without these technical details and based on various changes and modifications of the following embodiments.

[0028] As Figure 1As shown, the prefabricated steel structure building waterproof structure provided in the application comprises a guide wall composed of a plurality of guide wall blocks 2, the guide wall blocks 2 are prefabricated in a factory by using lightweight concrete, the bottom of the guide wall block 2 is provided with a connecting hole, the guide wall block 2 is fixedly connected with the floor 1 in which the connecting piece 11 is embedded through the connecting hole in the bottom, the guide wall blocks 2 are spliced and fixed on the floor 1 to form the guide wall. The waterproof mortar 51 is used for sealing at the guide wall joint 4 between the guide wall blocks 2 and the guide wall blocks and the wall corner joint 3 where the guide wall and the floor meet, and then the butyl waterproof tape 52 is used for pasting and sealing, the sealing layer 5, of course, the waterproof mortar 51 or the butyl waterproof tape 52 can be used alone for sealing the guide wall joint 4 and the wall corner joint 3, which does not affect the sealing effect of the guide wall; the periphery of the sealing layer 5 is further provided with a protective layer 6, the protective layer 6 comprises a nylon hanging net 61 arranged on the surface of the guide wall and the floor 1 adjacent to the wall corner joint 3 and a cement mortar isolation layer 62 attached to the hanging net 61, and a waterproof layer 63 formed by coating waterproof paint on the isolation layer; the protective layer 6 is provided with a decorative layer 7, the decorative layer 7 comprises a troweling layer 71 arranged on the periphery of the protective layer and a skirting line 72 arranged on the troweling layer, the troweling layer 71 is generally used to trowel the bottom surface of the floor, then the troweling layer is turned up to cover the guide wall at the wall root, the above protective layer 6 is wrapped in the troweling layer 71, and then the skirting line 72 is used on the troweling layer 71 to close and decorate the interface of the troweling layer close to the wall corner joint.

[0029] The prefabricated steel structure building waterproof structure provided in the application is manufactured as follows:

[0030] First, the guide wall block 2 is prefabricated, the bottom of the guide wall block 2 is provided with a connecting hole; a plurality of guide wall blocks 2 are assembled on the floor 1 in which the connecting piece 11 is embedded to form a guide wall, the connecting piece 11 is matched with the connecting hole of the guide wall block.

[0031] The guide wall block 2 is generally made of lightweight concrete and processed in the factory. The size of the guide wall block 2 is limited by the industry standard. The width of the guide wall block 2 is the same as the thickness of the prefabricated wall in the assembled steel structure building, which is convenient for assembly. A connecting hole is arranged at the central position of the bottom of the guide wall block 2. A connecting piece 11 is embedded in the corresponding mounting position of the floor 1 and the guide wall block 2. The connecting piece 11 is generally a steel bar or a screw rod. Correspondingly, the connecting hole is generally a round hole. During installation, the connecting hole is filled with a plant glue, and then the connecting hole and the connecting piece 11 are matched and inserted. The guide wall block 2 is installed one by one, and the production of the guide wall can be quickly and non-hydrated. The guide wall block 2 is installed in a single layer. The guide wall block 2 and the guide wall block 2 are connected at the upper surface and the side surface to form a guide wall joint 4. The guide wall block 2 and the floor are connected to form a horizontal corner joint 3. The corner joint 3 and the guide wall joint 4 can be filled and sealed with waterproof mortar 51, or sealed with butyl waterproof tape 52 to increase the waterproof effect. Preferably, the corner joint 3 and the guide wall joint 4 can be filled and sealed with waterproof mortar 52, and then sealed with butyl waterproof tape 52 to increase the waterproof effect.

[0032] Then, a hanging net 61 is arranged on the surface of the adjacent guide wall and floor of the corner joint 3, and a separation layer 62 is formed on the hanging net 61 by applying mortar. The hanging net 61 is generally made of stable nylon material and is fixedly arranged on the guide wall and the floor 1. Applying mortar on the nylon hanging net 61 is beneficial to increasing the adhesion of the mortar, so that the guide wall and the floor 1 are better combined into a whole. The separation layer 62 formed by the nylon hanging net and the mortar has a certain tear-resistant capacity. A waterproof layer 63 is coated on the separation layer to maintain the stability of the waterproof capacity. The waterproof coating is preferably a polyurethane polymer waterproof coating.

[0033] Finally, a decorative layer 7 is arranged outside the waterproof layer 63. The decorative layer 7 includes a troweling layer 71 and a skirting line 72. The troweling layer 71 covers the separation layer 62 and the waterproof layer 63 with cement mortar. Generally, the mortar is troweled on the floor 1, and then the separation layer 62 and the waterproof layer 63 are covered along the corner joint. After the troweling layer 71 is completed, the skirting line 72 is used to close and decorate the interface near the corner joint.

[0034] The waterproof structure and the manufacturing method of the waterproof structure of the assembled steel structure provided by the application realize the manufacturing of the non-wet guide wall in the case of no cast-in-place joint in the assembled steel structure building mode, the mode of assembled operation, and the manufacturing period of the guide wall in the waterproof structure of the application is greatly shortened compared with the guide wall manufacturing mode of the traditional formwork cast-in-place; the use of the butyl tape for sealing at the wall joint and the guide wall joint makes the wall joint and the guide wall joint in an elastic sealing state, which is beneficial to long-term maintenance of the waterproof effect of the wall joint and the guide wall joint; the nylon hanging net is arranged on the surface of the guide wall and the floor adjacent to the wall corner joint, and the mortar is used as the isolation layer on the surface of the hanging net, which can effectively increase the adhesion of the mortar and effectively prevent the cracking of the protective layer, thereby maintaining the waterproof performance of the protective layer.

[0035] Those skilled in the art can understand that the above-mentioned embodiments are specific examples for implementing the application, and various changes can be made in form and details in actual application without departing from the spirit and scope of the application.

Claims

1. A method for manufacturing a waterproof structure of a fabricated steel structure building, characterized by, The method comprises the following steps: a prefabricated guide wall block is provided, which is provided with a connecting hole at the bottom; a plurality of guide wall blocks are assembled on a floor slab in which connecting members are embedded, so as to form a guide wall, wherein the connecting members are matched with the connecting holes of the guide wall blocks; a gap formed by the guide wall and the floor slab is a corner gap, a nylon mesh is arranged on the surface of the guide wall and the floor slab adjacent to the corner gap, and a separation layer is formed by applying mortar on the nylon mesh; a waterproof layer is formed by applying waterproof paint on the surface of the separation layer; and a decorative layer is arranged on the waterproof layer. Before the step of arranging the nylon mesh on the surface of the guide wall and the floor slab adjacent to the corner gap, a guide wall joint formed by splicing the corner gap and the guide wall block is filled and sealed by using waterproof mortar.

2. The method of claim 1, wherein the method further comprises: After the step of filling and sealing the guide wall joint and the corner gap by using waterproof mortar, the guide wall joint and the corner gap are pasted and sealed by using a butyl waterproof adhesive tape.

3. The method according to any one of claims 1-2, wherein, The step of arranging the decorative layer on the waterproof layer specifically comprises the following steps: applying waterproof cement mortar on the waterproof layer to form a troweling layer, and arranging a skirting line on the troweling layer.

4. The method of claim 1, wherein the method further comprises: The connecting member is a bolt or a steel bar, and the bolt or the steel bar is inserted and assembled with the corresponding bolt on the floor slab after filling with a steel bar adhesive in the connecting hole of the guide wall block, so as to form the guide wall.

5. The method of claim 1, wherein the method further comprises: The prefabricated guide wall block is made of lightweight concrete material.

6. A waterproof structure of a fabricated steel structure building, characterized by The guide wall formed by a plurality of guide wall blocks is fixedly connected with the floor slab by the connecting holes at the bottom of the guide wall blocks and embedded connecting members, a sealing layer is arranged at the guide wall joint between the guide wall blocks and the guide wall joint and the corner gap between the guide wall and the floor slab, a protective layer is arranged on the periphery of the sealing layer, and a decorative layer is arranged on the protective layer.

7. The assembled steel structure building waterproof construction according to claim 6, characterized in that, The sealing layer comprises waterproof mortar and / or a butyl waterproof adhesive tape, which are used to seal the guide wall joint and the corner gap.

8. The assembled steel structure building waterproof construction according to claim 6, characterized in that, The protective layer comprises a nylon mesh arranged on the surface of the guide wall and the floor slab adjacent to the corner gap, and a cement mortar separation layer attached to the nylon mesh, and a waterproof layer formed by applying waterproof paint on the separation layer.

9. The prefabricated steel building waterproof structure according to claim 6, characterized in that, The decorative layer comprises a troweling layer arranged on the periphery of the protective layer, and a skirting line arranged on the troweling layer.

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