CN218814878U - Embedded prefabricated fair-faced concrete decorative board - Google Patents

Abstract

The utility model discloses prefabricated clear water concrete decorative board of inserted type, including clear water concrete decorative board, the steel joist that links to each other with clear water concrete decorative board, the embedded type built-in fitting of pre-buried installation on clear water concrete decorative board, the embedded type built-in fitting includes on the clear water concrete decorative board to the last cup mouth of reservation that sets up, with the inside reinforcing bar net welded steel sheet of clear water concrete decorative board, steel pipe hole and pass the fixing bolt who reserves cup mouth, steel sheet, steel pipe hole in proper order, fixing bolt is fixed through first nut in the one end of reserving cup mouth, it is fixed that fixing bolt passes the screw on the steel joist and passes through the second nut. The utility model discloses the prefabricated clear water concrete decorative board process of embedded is simple and direct, and one shot forming can the effective control construction error, avoids doing over again repeatedly to lead to construction quality to descend. The embedded precast fair-faced concrete decorative plate is high in strength, strong in durability, not easy to damage, simple and easy to install, capable of saving the construction period and improving the construction efficiency.

Description

Embedded prefabricated fair-faced concrete decorative board

Technical Field

The utility model relates to a building engineering technology field, concretely relates to embedded precast clear water concrete decorative board.

Background

With the wide application of concrete in the field of building construction, architects gradually transfer the sight from concrete as a structural material to the texture possessed by the material, and begin to use the concrete as a decorative plate, so that the clear water concrete decorative plate is produced, the process is simple, the structure is formed at one time, chiseling and plastering are not needed, the quality hidden dangers such as cracking, hollowing and the like are effectively avoided, the environment is protected while resources are saved, and the work efficiency is improved. But because the dry-hanging stone material of the fair-faced concrete decorative plate is stressed in a point load bearing mode, the shock resistance is poor, the safety coefficient is low, and the hidden quality troubles such as edge breakage and the like are easy to occur during slotting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a prefabricated clear water concrete decorative board of embedded to solve among the prior art prefabricated clear water concrete decorative board of embedded anti-seismic performance poor, technical problem that factor of safety is low.

The utility model discloses prefabricated clear water concrete decorative board of embedded, including clear water concrete decorative board, the steel joist that links to each other with clear water concrete decorative board, the embedded built-in fitting of pre-buried installation on clear water concrete decorative board, the embedded built-in fitting includes on the clear water concrete decorative board to the top down the reservation cup mouth that sets up, with the inside reinforcing bar net welded steel sheet of clear water concrete decorative board, steel-pipe hole and pass the fixing bolt who reserves cup mouth, steel sheet, steel-pipe hole in proper order, fixing bolt is fixed through first nut in the one end of reserving cup mouth, fixing bolt passes the screw on the steel joist and passes through the second nut fixedly.

The utility model discloses embedded precast fair-faced concrete decorative board process is simple and direct, and one shot forming can effective control construction error, avoids doing over again repeatedly and leads to construction quality to descend. The embedded type prefabricated bare concrete decorative plate is high in strength, strong in durability, not easy to damage, simple and easy to install, capable of saving the construction period and improving the construction efficiency.

Further, the steel joist includes main joist, secondary joist, the main joist passes through the bolt fastening with the secondary joist, the secondary joist passes through second nut and bolt fastening.

Furthermore, corner connectors are fixed on two sides of the main keel respectively.

Further, the main keel and the corner connector are fixed through bolts.

Furthermore, the tail end of the corner brace is connected with a rear steel plate.

Furthermore, the rear steel plate is connected with the corner brace in a welding mode.

Furthermore, the rear steel plate is provided with an anchor hole for connecting a wall body.

To sum up, the utility model discloses the prefabricated clear water concrete decorative board process of embedded type is simple and direct, and one shot forming can the effective control construction error, avoids doing over again repeatedly and leads to construction quality to descend. The embedded type prefabricated bare concrete decorative plate is high in strength, strong in durability, not easy to damage, simple and easy to install, capable of saving the construction period and improving the construction efficiency.

The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which form a part hereof, are included to provide an understanding of the present invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is the installation elevation of the embedded precast fair-faced concrete decorative board of the utility model.

Fig. 2 is the installation section view of the embedded precast fair-faced concrete decorative board of the utility model.

Fig. 3 is a cross-sectional view of the embedded part of the present invention.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:

the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.

Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

With respect to the terms and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.

The utility model discloses prefabricated clear water concrete decorative board of embedded, including clear water concrete decorative board 1, the steel joist that links to each other with clear water concrete decorative board 1, pre-buried embedded part 2 of installing on clear water concrete decorative board 1, embedded part 2 includes on clear water concrete decorative board 1 to the top down reservation cup mouth 21 that sets up, with clear water concrete decorative board 1 inside reinforcing bar net welded steel sheet 22, steel-pipe hole 23 and pass the fixing bolt 24 who reserves cup mouth 21, steel sheet 22, steel-pipe hole 23 in proper order, fixing bolt 24 is fixed through first nut 3 in the one end of reserving cup mouth 21, fixing bolt 24 passes the screw on the steel joist and passes through second nut 4 fixedly.

The steel joist includes main joist 51, secondary joist 52, main joist 51 passes through the bolt fastening with secondary joist 52, secondary joist 52 passes through second nut 4 and bolt fastening.

And corner connectors 6 are respectively fixed on two sides of the main keel 51.

The main keel 51 and the corner connector 6 are fixed through bolts.

The tail end of the corner connector 6 is connected with a rear steel plate 7.

The rear steel plate 7 is connected with the corner connector 6 in a welding mode.

And the rear steel plate 7 is provided with an anchor hole for connecting a wall body.

As shown in fig. 1-2, the embedded prefabricated fair-faced concrete decorative board comprises a fair-faced concrete decorative board 1, a steel keel connected with the fair-faced concrete decorative board 1, and an embedded part 2 embedded and installed on the fair-faced concrete decorative board 1, as shown in fig. 3, the embedded part 2 comprises a reserved cup-shaped opening 21 arranged from top to bottom on the fair-faced concrete decorative board 1, a steel plate 22 welded with a reinforcing mesh inside the fair-faced concrete decorative board 1, a steel pipe hole 23, and a fixing bolt 24 sequentially penetrating through the reserved cup-shaped opening 21, the steel plate 22 and the steel pipe hole 23, wherein the fixing bolt 24 is fixed at one end of the reserved cup-shaped opening 21 through a first nut 3, and the fixing bolt 24 penetrates through a screw hole on the steel keel and is fixed through a second nut 4. The steel joist includes main joist 51, secondary joist 52, main joist 51 passes through the bolt fastening with secondary joist 52, secondary joist 52 passes through second nut 4 and bolt fastening. And corner connectors 6 are respectively fixed on two sides of the main keel 51. The main keel 51 and the corner connector 6 are fixed through bolts. The tail end of the corner connector 6 is connected with a rear steel plate 7. The rear steel plate 7 is connected with the corner connector 6 in a welding mode. And the rear steel plate 7 is provided with an anchor hole for connecting a wall body.

The utility model discloses a preparation of embedded precast fair-faced concrete decorative board and installation application flow as follows:

the embedded precast fair-faced concrete decorative plate is manufactured by adopting a factory intelligent production line, so that the production error is easy to control, the finished product forming effect is good, and the product reliability and stability are high; a flat plate type mold is selected, Q345B steel is used as a bottom mold, the surface flatness of the steel is 0.25mm/m & lt 2 & gt, and the surface smoothness is 6.3. The bottom die framework is formed by using 10# channel steel in a staggered lap joint welding mode, and the processed steel plate is tiled on the framework; the side die uses the combination of the section steel and the template to ensure the strength and the straightness of the die and ensure the surface finish. Quick-release tools are used between the side die and the side die, and between the side die and the bottom die, and an integrated positioning system is used.

The embedded part is customized according to the use function and mainly comprises three parts, wherein the upper part is a reserved cup-shaped opening, the diameter of the upper opening is 36mm, and the diameter of the lower opening is 30mm, so that the embedded part is convenient for bolt insertion and nut fastening; the middle part is a 54mm 6mm thick steel plate, and the steel plate and the internal reinforcing mesh are welded into a whole during pre-embedding so as to enhance the reliability; the lower part is a steel pipe hole with the diameter of 18mm, and the bolt is tightly connected with the keel connecting piece through the steel pipe hole to ensure that the plate is stable; all parts are connected into a whole by welding, and then three anti-corrosion paints are brushed to avoid the corrosion of the embedded part, thereby prolonging the service life.

Manufacturing a precast fair-faced concrete decorative plate: according to the scheme of the mold, tooling processing is carried out, all the formed parts are assembled and formed in a welding mode, and special sealant is coated at the splicing part of the side mold and the bottom mold to prevent slurry leakage of corners of the bare concrete decorative plate; the surface of the mould is numbered and treated with spray paint and rust prevention, and the precision and quality of the mould are strictly controlled in the processing process. Before the production of the fair-faced concrete slab, two procedures of coating and spraying a mold release agent are required, after the steel bars are put into the mold, the positions of the steel bar meshes are rechecked and adjusted according to a design drawing, and the allowable deviation is not more than 5mm; the thickness of the steel bar protective layer is controlled by adopting a steel bar protective layer cushion block with the thickness of 15mm, and the steel bar protective layer cushion block is arranged in a plum blossom shape. The embedded part adopts a galvanizing process to prevent corrosion, the position and the type in the die are determined according to a design drawing, and the embedded part and the internal reinforcing mesh are connected into a whole through welding. Concrete is poured into the die through the distributing machine, the die platform of the intelligent production line vibrates compactly, and the surface is repeatedly folded after vibration is completed to ensure smooth surface. And after the pouring is finished, steam curing is carried out, and demoulding can be carried out until the strength of the fair-faced concrete slab reaches over 75 percent of the standard strength.

The embedded precast fair-faced concrete decorative plate has higher precision requirement, has larger allowable error of a civil engineering horizontal datum line and a civil engineering vertical datum line, cannot be used as a measurement standard and basis, and must be re-measured and rechecked by a datum axis and a datum point.

And determining the positioning lines and the dividing lines of the bare concrete decorative plate according to the data such as the lattice diagram, the node detailed diagram and the like of the bare concrete decorative plate.

And determining the axis and the horizontal control line of the vertical wall surface according to the reference lines of the building and the horizontal line, and leading out the altitude lines of all layers by using a level gauge, a steel tape and the like.

And throwing out control lines at the internal and external corners of the wall by using a laser plummet instrument, vertically penetrating the control lines by using steel wire lines and firmly positioning the steel wire lines to serve as the control lines of the fair-faced concrete decorative plates at the internal and external corners.

Cleaning a base layer: after the wire is hung, the flatness and the verticality of the wall surface are respectively checked by using a 2m bar ruler and a 2m power strip, and the wall surface can be cleaned after the construction requirements are met. The wall body is ensured to be dry, flat and clean without quality defects such as honeycomb pitted surface and the like; the base layer wall surface should be free of oil stain, rust spot, dust, mud mark and other impurities.

Rear embedded part installation: and (3) installing a rear steel plate according to each control line in the vertical and horizontal directions, popping up a center cross line on the rear steel plate, straightening according to the control line popped up by the center of the steel plate and the wall body, determining the position of an anchor bolt, marking, and then punching by using an M14 drill bit to ensure that the punching depth is 130 mm. And blowing soot to the punched holes and cleaning the holes by using a special brush. And performing secondary soot blowing after cleaning. After soot blowing is finished, chemical agent pipes are placed, and four chemical anchor bolts M12 x 160 are implanted into the soot blowing pipe by using an electric hand drill.

Installing corner connectors: the angle sign indicating number installation should be according to control line accurate positioning to should guarantee at same horizontal position, weld the angle sign indicating number on rear steel sheet according to the perpendicular line of hanging out in advance, the welding seam requires full weld, and the welding angle height satisfies 10mm, checks and accepts according to tertiary welding seam, and angle sign indicating number length should exceed main joist vertical position more than half, and angle sign indicating number vertical separation should not be greater than 1.4m, and every main joist is fixed by two angle signs, brushes anticorrosive paint three after the installation of angle sign indicating number is accomplished.

Installing a steel keel: and (4) installing the main keel, and installing the main keel after the rear embedded part is concealed and accepted. Before installation, a plumb bob is used for controlling the verticality of the keel, the levelness of the keel is controlled by a wire hanging method, the main keel is installed from bottom to top, and the main keel is fixed on the corner connector by bolts. And (4) installing the secondary keels, and installing the secondary keels after the main keels are qualified. Before installation, popping up a marking height line of the secondary keel on the main keel, drilling a connecting hole on the secondary keel by using a bench drill according to a design position, and fixing the secondary keel on the main keel by using a bolt; and brushing anticorrosive paint after the primary keel and the secondary keel are installed.

The bare concrete decorative plate is installed, and the color degree of the plate surface is checked according to the plate surface number, so that the panel of the same plate does not generate obvious color difference, and the color is gradually transited. According to the drawing requirements, vertical control lines of two surfaces of a large angle are marked by a theodolite, angle steel of a hanging line is fixed at the upper end and the lower end of the large angle, the vertical control lines are hung by steel wires, marks are made on the upper end and the lower end of the control lines, and construction is carried out according to the installation principle that a lower plate is installed firstly and an upper plate is installed later. The embedded parts are installed on the plate and connected and fixed with the secondary keel through bolts, and if the panel is not parallel to the plane line, the fine adjustment bolts are adjusted to be parallel to the plane line.

The weather-resistant glue is injected for sealing, the sealant is injected after the bare concrete decorative plate is installed and aligned, clean and unhairing-free cleaning cloth and dimethylbenzene are selected before glue injection, and a joint to be injected with the glue is cleaned and kept dry within half an hour before glue injection by a two-piece rag method. And selecting a pad bar according to the design specification to fill the pad bar into the glue injection seam, wherein the width of the pad bar is slightly larger than that of the plate seam so as to ensure that the pad bar has enough friction force with the side surface of the plate, and the thickness of the weather-resistant glue is controlled to be 4mm by about 4mm from the outer surface of the pad bar after filling to the surface of the decorative plate. Then paper adhesive tapes are pasted on two side panels of the plate seam to prevent weather-resistant adhesive from overflowing to pollute the plate surface; during glue injection, glue injection is strained while glue scraping is performed, glue joints are leveled by glue scraping along the same direction, and meanwhile the curing time of the sealant is required to be noticed.

The utility model discloses embedded precast fair-faced concrete decorative board process is simple and direct, and one shot forming can effective control construction error, avoids doing over again repeatedly and leads to construction quality to descend. The embedded precast fair-faced concrete decorative plate is high in strength, strong in durability, not easy to damage, simple and easy to install, capable of saving the construction period and improving the construction efficiency.

The utility model discloses the application example as follows:

'Chengluo Daiao (three-loop to four-loop) quick reconstruction engineering construction one-section' fair-faced concrete slab decoration engineering. A standard section project of the finished great road (from three loops to four loops) rapid reconstruction engineering is located in a ten-mak town of a Longquan post area, the construction scale is 9141.59 square meters, the structural form is a concrete frame structure, the construction method mainly comprises landscape decoration of a downward tunnel of Chengdu university, decoration of the inner side wall of a ship trough and a hole and the outer vertical surface of a hole door frame, the highest construction height in the ship trough is 4900 mm, and the highest construction height outside the ship trough is 7284 mm. The construction height of the hole doorframe is 7400 mm. The landscape decoration for the people's Sichuan road through the tunnel comprises a ship groove, an inner side wall of a hole and a facade decoration outside a frame of the hole. The highest construction height in the tunnel of the ship groove is 4963 mm, and the highest construction height outside the ship groove is 7127 mm. The construction height of the hole door frame is 7400 mm. The project has higher requirements on the decoration of the external vertical surface, and the embedded precast fair-faced concrete decorative plates are adopted for decoration, thereby obtaining good construction effect.

The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the present invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Claims (7)

1. The embedded prefabricated fair-faced concrete decorative board is characterized by comprising a fair-faced concrete decorative board (1), a steel keel connected with the fair-faced concrete decorative board (1), and embedded parts (2) embedded and installed on the fair-faced concrete decorative board (1), wherein the embedded parts (2) comprise reserved cup-shaped openings (21) arranged on the fair-faced concrete decorative board (1) from top to bottom, steel plates (22) welded with reinforcing meshes inside the fair-faced concrete decorative board (1), steel pipe holes (23), and fixing bolts (24) sequentially penetrating the reserved cup-shaped openings (21), the steel plates (22) and the steel pipe holes (23), the fixing bolts (24) are fixed at one end of the reserved cup-shaped openings (21) through first nuts (3), and the fixing bolts (24) penetrate through screw holes in the steel keel and are fixed through second nuts (4).

2. A mosaic precast fair-faced concrete decorative board of claim 1, wherein the steel keel comprises a main keel (51) and a secondary keel (52), the main keel (51) and the secondary keel (52) are fixed through bolts, and the secondary keel (52) is fixed with the bolts through a second nut (4).

3. An embedded precast fair-faced concrete decorative board according to claim 2, wherein corner connectors (6) are respectively fixed on both sides of the main keel (51).

4. A mosaic precast fair-faced concrete decorative board according to claim 3, wherein the main keel (51) and the corner connector (6) are fixed by bolts.

5. A mosaic precast fair-faced concrete decorative board according to claim 3, wherein the rear end of the corner brace (6) is connected with a rear steel plate (7).

6. A mosaic precast fair-faced concrete decorative board according to claim 5, wherein the rear steel plate (7) is welded with the corner brace (6).

7. A mosaic type precast fair-faced concrete decorative board according to claim 5, wherein the rear steel plate (7) is provided with an anchor hole for connecting a wall body.

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