CN214364434U

CN214364434U - Assembled constructional column suitable for prefabricated wallboard of frame construction

Info

Publication number: CN214364434U
Application number: CN202022858396.7U
Authority: CN
Inventors: 朱占元; 林海锋; 袁书成; 尹业兴; 徐娇; 袁海玲; 夏磊; 梁危
Original assignee: Sichuan Agricultural University
Current assignee: Sichuan Agricultural University
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-08
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an assembled constructional column suitable for prefabricated wallboard of frame construction, including prefabricated building block, can alternate the logical groove of reinforcing bar, the notch of being connected with prefabricated wallboard, supporting iron sheet mould etc. can be dismantled. The method is characterized in that: the constructional column is formed by splicing and building prefabricated building blocks; the prefabricated building block is provided with two through grooves which are communicated up and down and used for fixing the longitudinal bars; the constructional column longitudinal bars are connected with the frame structure through embedded planting bars; the constructional column longitudinal bars are connected with the frame structure through embedded planting bars; the constructional column can be suitable for building a straight wall, an L-shaped wall, a T-shaped wall and a cross wall built by prefabricated wallboards; the prefabricated building blocks are provided with notches to be connected with prefabricated wall boards or integrally cast; the top of the constructional column is sealed with the prefabricated wall board through a U-shaped iron sheet die with a grouting hole and a steel bar clamp, and grouting and capping are performed through the grouting hole.

Description

Assembled constructional column suitable for prefabricated wallboard of frame construction

Technical Field

The utility model belongs to the technical field of structural engineering's construction, concretely relates to assembled constructional column suitable for prefabricated wallboard of frame construction.

Background

The frame structure has wide application, and has the advantages of good earthquake resistance, flexible space separation, light dead weight and the like. In order to meet the use requirements of buildings such as space function separation, external enclosure and the like, the structures generally need to build a filler wall in a given bay. After several major earthquakes, the examples of filled wall collapse and even severe destruction of the entire frame structure are numerous. The frame infill wall requires that it must be securely connected to the frame beams and columns by constructional measures. The constructional column can restrain the wall body, enhances the integrity, and plays a vital role in filling the wall body with energy consumption and preventing collapse. The frame structure infilled wall is provided with the constructional columns, so that the integrity, the energy consumption capability and the collapse resistance capability of the infilled wall can be improved. In actual engineering, the number of constructional columns of the frame structure infilled wall is large, and the existing construction process adopts the steps of firstly building the infilled wall and then erecting a formwork to pour concrete in situ. Due to the fact that the construction process of the cast-in-place constructional column is complex, and manual operation is conducted in the whole process, quality problems such as honeycomb pitted surfaces and serrated racking dislocation are prone to occurring. In the face of the current situation that the construction of the traditional constructional column is complicated and the labor cost is increasing day by day, some researches replace the traditional concrete constructional column by changing the form of the constructional column so as to reduce the construction cost. Or the construction mode of the existing constructional column is changed, and a prefabricated assembly type construction method is adopted to achieve the effect.

Meanwhile, assembly type buildings are gradually popularized in China, and the requirements on the assembly rate are stipulated for the existing residential building engineering. The application of the prefabricated wall panel has obvious promotion on improving the building assembly rate and reducing the construction time. But the prefabricated wall panels are substantially the same as traditional masonry walls in specification for setting up the constructional column requirements. The constructional column of prefabricated wallboard still uses cast-in-place constructional column to give first place to at present stage, has not only prolonged long when being under construction, also can't guarantee construction quality.

In order to solve the problems, the research team provides a novel assembly type constructional column which is suitable for the frame structure prefabricated wall board and can be built simultaneously with a wall body without supporting and tamping a template. The fabricated constructional column is formed by combining and assembling prefabricated building blocks prefabricated in factories on site. The prefabricated building blocks are fixed in position through longitudinal steel bars, and expansion cement mortar is poured into the through grooves to be bonded with the steel bars. The prefabricated building blocks are bonded by masonry cement mortar, and are provided with notches to be lapped or integrally cast with the prefabricated wall panel.

Disclosure of Invention

The utility model aims to overcome the construction process that prior art takes a lot of work and time, the not enough problem of quality often is difficult to the guarantee provides an assembled constructional column, its supporting construction method, the preparation that are applicable to the prefabricated wallboard of frame construction and builds the method of the prefabricated building block of this kind of constructional column by laying bricks or stones.

The purpose of the utility model is realized through the following technical scheme:

the utility model comprises a prefabricated building block, a through groove which can be inserted with steel bars, a notch which is connected with the prefabricated wall plate, a U-shaped iron sheet mould which is provided with a grouting hole, a steel bar clamp, a grouting gun and the like; the constructional column is formed by splicing and building prefabricated building blocks; the prefabricated building block is provided with two through grooves which are communicated up and down and used for fixing the longitudinal bars; the constructional column longitudinal bars are connected with the frame structure through embedded planting bars; the constructional column longitudinal bars are connected with the frame structure through embedded planting bars; the constructional column can be suitable for building a straight wall, an L-shaped wall, a T-shaped wall and a cross wall built by prefabricated wallboards; the prefabricated building blocks are provided with notches to be connected with prefabricated wall boards or integrally cast; the top of the constructional column is sealed with the prefabricated wall board through a U-shaped iron sheet die with a grouting hole and a steel bar clamp, and grouting and capping are performed through the grouting hole.

Preferably, the through groove can coincide with pre-buried longitudinal reinforcement when the installation, and logical inslot has sufficient space to pour from expanded cement mortar, guarantees that the reinforcing bar can be wrapped up by cement mortar.

Preferably, the precast block is provided with a notch integrally cast or connected with the precast wall panel, and the shape of the notch can be changed according to the shape of the notch of the precast wall panel. The notches are located on a plurality of sides other than the through slot side.

Preferably, the prefabricated building block is provided with a detachable U-shaped iron sheet die which is matched with the prefabricated building block, and the detachable U-shaped iron sheet die is used as a constructional column capping matching tool to ensure the capping quality of the constructional column, can be recycled and save the construction cost.

Preferably, self-expanding cement mortar is poured in the through groove of the prefabricated building block, and the self-expanding cement mortar is tightly combined with the steel bar and the prefabricated building block through the self-expanding force of the self-expanding cement mortar, so that the integrity of the constructional column is improved.

Preferably, embedded parts of the prefabricated wall board can be installed in mortar joints among the prefabricated building blocks, and the prefabricated building blocks are fixed through the self weight of the upper prefabricated building blocks and the binding of the prefabricated building blocks and the longitudinal steel bars.

Preferably, for construction convenience, the constructional column longitudinal bars are arranged in a pre-buried manner at the position where the constructional column is additionally arranged. For the stirrups, to improve the integrity and stability of the constructional column, stirrups may be arranged between mortar joints of each prefabricated building block.

Preferably, the prefabricated building blocks are provided with fixing parts connected with the prefabricated wall panels, and the fixing parts are convex fixing bosses or concave fixing grooves.

Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the utility model is suitable for an assembled constructional column of prefabricated wallboard of frame construction, the constructional column adopts prefabricated building block to build by laying bricks or stones and forms, prefabricated building block is equipped with and is used for the logical groove with the longitudinal reinforcement installation, has simplified the construction process, has reduced the construction degree of difficulty. The through groove is used for pouring masonry mortar to enhance the connection integrity of the prefabricated building block and the longitudinal steel bar. The prefabricated building block is provided with a fixing part connected with the prefabricated wall board, and can have strong adaptability according to the form change of different wall boards.

Drawings

The present invention/utility model will be described in further detail with reference to the accompanying drawings.

FIG. 1 is the utility model discloses prefabricated building block reinforcing bar net piece picture of assembled constructional column

FIG. 2 is a perspective view of the precast block of the construction post of the present invention;

FIG. 3 is an elevation view of a prefabricated block of the present invention construction post;

FIG. 4 is a side view of a precast block of the present invention construction post;

FIG. 5 is a top view of the precast block of the present invention construction post;

FIG. 6 is a schematic view of the connection of the prefabricated blocks of the construction post of the present invention;

FIG. 7 is a schematic diagram of the construction of the embedded part of the constructional column of the present invention;

FIG. 8 is a schematic view of the port structural column of the present invention;

FIG. 9 is a schematic diagram of the construction of the horizontal wall constructional column of the present invention;

FIG. 10 is a schematic diagram of the construction of the L-shaped wall constructional column of the present invention;

FIG. 11 is a schematic diagram of the construction of the T-shaped wall constructional column of the present invention;

FIG. 12 is a schematic diagram of the cross wall constructional column of the present invention;

figure 13 is the slip casting schematic diagram of the top of the construction column of the present invention.

Description of the drawings: 1-precast block internal reinforcing mesh, 2-precast fabricated constructional column block, 3-through groove, 4-connecting and fixing part with precast wallboard, 5-show occlusion boss on precast block, 6-precast block lower surface groove, 7-precast wallboard embedded part, 8-embedded part bolt, 9-precast wallboard, 10-stirrup, 11-longitudinal bar, 12-grouting hole U-shaped iron sheet mould; 13-grouting holes; 14-a grouting gun; 15-reinforcing steel bar clamp.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The utility model discloses explain with the drawing and the detailed implementation mode with 200mm thick prefabricated wallboard (tongue-and-groove) constructional column as the example, wherein to the construction method of all kinds of walls roughly the same, the repeated description is no longer given.

The construction of the fabricated constructional column suitable for the prefabricated wall panel with the frame structure comprises the following steps:

1. and embedding the embedded part. In the early construction, according to the design drawing, embedded parts with corresponding quantity are respectively embedded in the bottom surface and the top surface of the constructional column, and are used for fixing the longitudinal steel bars 11 in the constructional column.

2. The longitudinal bars 11 are fixed. According to the design height of the constructional column and the appropriate surplus length, the reinforcing steel bar is intercepted, so that the reinforcing steel bar can be inserted into the embedded part for enough length, and the reinforcing steel bar and the embedded part can be welded and fixed according to actual conditions.

3. According to different types and thicknesses of walls, prefabricated building blocks 2 with different shapes are selected for building, and a steel mesh 1 is arranged inside the prefabricated building block shown in figure 1. And laying masonry mortar after the position of the precast block 2 is determined, and enabling the precast block through groove to penetrate through the constructional column longitudinal rib 11. And filling cement mortar around the bottom of the prefabricated building block, and fixing the prefabricated building block 2. And (3) inserting the precast block through groove end 3 into a tongue-and-groove convex groove of a precast wallboard 9, pouring expanded cement mortar into the through groove 3 after the precast block is sealed, and vibrating to fill the whole through groove with the cement mortar. And (3) placing stirrups 10 or embedded parts 7 on the installed precast blocks 2, and then starting to install the next precast block 2, as shown in fig. 6-7.

As shown in fig. 7, the through-slots 3 of the end structural columns can be used as prefabricated wall panel connection interfaces, and the 200-thick prefabricated wall panel 9 is formed by overlapping two 100-thick prefabricated wall panels according to the specification of the map set GJBT-1131 for 200-thick prefabricated wall panels. So that the tongue-and-groove protrusions of the two wallboards extend into the through grooves 3 of the prefabricated building blocks. And after the wall plate 9 and the prefabricated building blocks 2 are fixed, pouring expanded cement mortar into the through grooves, vibrating, and paving and building mortar on the prefabricated building blocks after the mortar in the through grooves is vibrated. The two precast blocks are connected and laid by the bosses 5 on the upper surfaces and the grooves 6 on the lower surfaces of the two precast blocks, as shown in fig. 6. As shown in FIGS. 8 to 11, the construction method for the straight wall, the L-shaped wall, the T-shaped wall and the cross wall is similar to the above.

4. As shown in fig. 12, a U-shaped sheet iron mold 12 with a grouting hole, the shape of which is fitted with the prefabricated building block, is installed on the top layer, so that the top of the mold is fitted with the top beam, and after the mold is fitted and abutted with the prefabricated wall panel at the opening of the mold, a steel bar clamp 15 is used for clamping from the side to form a closed space. And (3) grouting holes 13 are formed in the iron sheet mould, mortar is injected until the mortar overflows from the grouting holes, and a grouting opening is plugged by a plug after grouting is finished, so that grouting is finished. And after three days of grouting, the reinforcing steel bar clamp 15 and the U-shaped iron sheet mould 12 can be disassembled for repeated use.

The utility model has the advantages that:

1. the construction method of the prefabricated building block of the utility model is simple, the quality of the building block is ensured by factory prefabrication, and the popularization is convenient;

2. the utility model discloses the construction process and the flow of traditional frame construction constructional column have been changed. The utility model discloses precast block builds constructional column by laying bricks or stones shortens constructional column and builds engineering time and cost by laying bricks or stones, has reduced the process of installation with demolish the template for the construction of building.

3. Compared with the traditional frame structure constructional column, the utility model saves 27 labor costs and saves 2-3 days of construction time;

4. the utility model can well adapt to the construction requirements of the prefabricated wall panels, increase the assembly rate of buildings, change the shape of the notch according to the type of the prefabricated wall panels, and is suitable for the construction of the wall panels at various positions;

5. the utility model takes the fixing measures with the prefabricated wall board into consideration, enhances the connection with the prefabricated wall board, adopts sealing pouring for the capping with the constructional column, and ensures the integrity of the structure;

6. the utility model discloses construction kit can dismantle and cyclic utilization, has saved construction cost.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an assembled constructional column suitable for prefabricated wallboard of frame construction which characterized in that: the constructional column is formed by splicing and building prefabricated building blocks; the prefabricated building block is provided with two through grooves which are communicated up and down and used for fixing the longitudinal bars; the constructional column longitudinal bars are connected with the frame structure through embedded planting bars; the constructional column can be suitable for building a straight wall, an L-shaped wall, a T-shaped wall and a cross wall built by prefabricated wallboards; the prefabricated building blocks are provided with notches to be connected with prefabricated wall boards or integrally cast; the top of the constructional column is sealed with the prefabricated wall board through a U-shaped iron sheet die with a grouting hole and a steel bar clamp, and grouting and capping are performed through the grouting hole.

2. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: and determining the longitudinal bar position of the constructional column in a pre-embedded mode at the arrangement position of the constructional column, and fixing the position of the prefabricated building block through the longitudinal bar of the constructional column.

3. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: the mortar joints among the prefabricated building blocks are built by masonry mortar, and stirrups can be arranged in the mortar joints to increase the integrity of the constructional column or to connect and fix the embedded parts with the prefabricated wall boards.

4. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: and the side edge of the prefabricated building block is provided with a convex fixing boss or a concave fixing groove which is used for integrally pouring or connecting the prefabricated building block with the prefabricated wall panel.

5. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: when the U-shaped iron sheet die is sealed with the prefabricated wall panel, the adopted steel bar clamp is made of steel bars with the thickness of HRB235 or above; the steel bar clamp fixes the U-shaped iron sheet mould on the constructional column from the side direction.

6. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: the prefabricated building blocks are formed by pouring C20 and above fine stone concrete.

7. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: the prefabricated building blocks are internally provided with reinforcing mesh sheets, the diameter of the longitudinal and transverse reinforcing steel bars is not less than 6mm, and the distance is not less than 100 mm.

8. A fabricated construction post suitable for use in a frame construction prefabricated wall panel according to claim 1, wherein: the upper surface and/or the lower surface of the prefabricated building block are/is provided with a boss used for being fixed with the adjacent prefabricated building block and a groove clamped with the boss, and the adjacent prefabricated building blocks are spliced and matched with masonry mortar through clamping grooves to form a construction column body.