CN215888698U

CN215888698U - Micro-prestress vacuum extrusion cement batten integrally-installed wall

Info

Publication number: CN215888698U
Application number: CN202121028634.XU
Authority: CN
Inventors: 赵雅娜; 韦韬; 刘�文; 田北平
Original assignee: Sichuan University of Science and Engineering
Current assignee: Sichuan University of Science and Engineering
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-02-22
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to the field of fabricated buildings, and discloses a micro-prestressed vacuum extrusion cement batten integrally-installed wall, which comprises an H-shaped steel beam and a plurality of strip-shaped unit plates; two ends of the strip-shaped unit plate are respectively positioned in the grooves of the H-shaped steel beams; a cavity is arranged in each strip-shaped unit plate, at least one through prestressed tendon is arranged in each cavity, and two ends of each prestressed tendon penetrate through the middle connecting beam of the H-shaped steel beam through the through holes respectively; anchor clamps are installed at two ends of the prestressed tendons. The strip-shaped unit plates are fixed through the H-shaped steel beams, the prestressed tendons and the anchor clamps to form an integral wallboard structure, and prestress is applied to ensure that the connection is reliable, the integral stability is good, integral transportation is not needed, and the site assembly and disassembly are convenient; and the bar cell board is the hollow core slab that has the cavity, under the prerequisite of guaranteeing bar cell board bulk strength, can alleviate the weight of bar cell board to alleviate the weight of whole wallboard structure, also can increase the heat preservation and heat-proof quality of wallboard structure.

Description

Micro-prestress vacuum extrusion cement batten integrally-installed wall

Technical Field

The utility model relates to the field of fabricated buildings, in particular to a micro-prestress vacuum extrusion cement batten integrally-assembled wall.

Background

At present, the integral concrete wall in-process of assembly, the connection of prefabricated wall body generally adopts forms such as steel reinforcement sleeve grout connection, thick liquid anchor overlap joint, bolted connection and the indirect overlap joint of two-sided coincide wall. The problems of high construction precision requirement, high compactness detection difficulty, high cost and the like exist in the grouting connection of the steel bar sleeve and the lapping of the grout anchor; the bolt connection has the adverse effect of weakening the section of the wall body; the double-sided superposed wall has the problems of easy expansion of the mould, large steel consumption and the like. In addition, except for the connecting structure of the double-sided superposed wall, the side surfaces of the other three wall bodies need to be connected with the cast-in-place section through the drawknot by the overhanging steel bars. The transportation, assembly and other links of the assembled wallboard are very inconvenient to operate.

Therefore, a solution for a self-assembled wall body with safe structure, high production efficiency, rapid construction and reliable connection is needed.

SUMMERY OF THE UTILITY MODEL

Based on the problems, the utility model provides a micro-prestressed vacuum extrusion cement batten integrally-installed wall, wherein two ends of a plurality of strip-shaped unit plates are inserted into grooves of two opposite H-shaped steel beams, and the strip-shaped unit plates are fixed through the H-shaped steel beams, prestressed tendons and anchor clamps to form an integral wallboard structure; and the bar cell board is the hollow core slab that has the cavity, under the prerequisite of guaranteeing bar cell board bulk strength, can alleviate the weight of bar cell board to alleviate the weight of whole wallboard structure, also can increase the heat preservation and heat-proof quality of wallboard structure.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the integral wall body of the micro-prestress vacuum extrusion cement batten comprises two H-shaped steel beams which are arranged oppositely, and a plurality of strip-shaped unit plates are arranged between the two H-shaped steel beams; two ends of the strip-shaped unit plate are respectively positioned in the grooves of the H-shaped steel beams; a cavity which is vertical to the H-shaped steel beam is arranged in each strip-shaped unit plate and penetrates through two opposite ends of each strip-shaped unit plate; at least one through prestressed tendon is arranged in the cavity of each strip-shaped unit plate, a through hole is formed in the middle connecting beam of the H-shaped steel beam at a position corresponding to the prestressed tendon, and two ends of the prestressed tendon penetrate out of the middle connecting beam of the H-shaped steel beam through the through hole respectively; anchor clamps are installed at two ends of the prestressed tendons.

Furthermore, four corners of the side wall of the strip-shaped unit plate are oblique angles, and wedge-shaped convex blocks which can be matched with the oblique angles on the two sides are arranged in the grooves of the H-shaped steel beam.

Furthermore, two opposite side surfaces of the strip-shaped unit plates are respectively provided with a clamping strip and a clamping groove which are matched, and two adjacent strip-shaped unit plates are spliced and fixed through the clamping strips and the clamping grooves which are matched with each other.

Furthermore, the thickness of the end of the strip-shaped unit plate inserted into the groove of the H-shaped steel beam is smaller than or equal to the distance between the inner walls of the grooves of the H-shaped steel beam.

Compared with the prior art, the utility model has the beneficial effects that:

1. the two ends of the plurality of strip-shaped unit plates are inserted into the grooves of the two opposite H-shaped steel beams, and the strip-shaped unit plates are fixed through the H-shaped steel beams, the prestressed tendons and the anchor clamps to form an integral wallboard structure;

2. the bar cell board is the hollow core slab that has the cavity, under the prerequisite of guaranteeing bar cell board bulk strength, can alleviate the weight of bar cell board to alleviate the weight of whole wallboard structure, also can increase the heat preservation and heat insulation performance of wallboard structure.

Drawings

FIG. 1 is a schematic structural view of a wall body with a micro-prestressed vacuum-extruded cement plank as a whole in example 1;

fig. 2 is a perspective view of a strip-shaped unit panel with tendons according to example 1;

FIG. 3 is a schematic view showing the connection of the tendon, the anchor clamps and the H-shaped steel beam in

embodiment

1 or 2;

FIG. 4 is a schematic view showing the connection of the oblique-angle strip-shaped unit plates to the H-shaped steel beams through the pre-stressed tendons and the anchor clamps in embodiment 2;

FIG. 5 is a schematic diagram of a structure of a strip-shaped unit cell with oblique corners in example 2;

FIG. 6 is a schematic view showing the positional relationship between the wedge-shaped bumps and the bar-shaped unit boards to be beveled in example 2;

wherein: 1. an H-shaped steel beam; 2. a strip-shaped unit board; 3. a cavity; 4. prestressed tendons; 5. a through hole; 6. an anchor clamp; 7. oblique angle; 8. a wedge-shaped projection; 9. clamping the strip; 10. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1:

referring to fig. 1-3, the micro-prestressed vacuum extruded cement batten integrally-installed wall body comprises two oppositely-arranged H-shaped steel beams 1, and a plurality of strip-shaped unit plates 2 are arranged between the two H-shaped steel beams 1; two ends of the strip-shaped unit plate 2 are respectively positioned in the grooves of the H-shaped steel beam 1; a cavity 3 vertical to the H-shaped steel beam 1 is arranged in each strip-shaped unit plate 2, and the cavity 3 penetrates through two opposite ends of each strip-shaped unit plate 2; at least one through prestressed tendon 4 is arranged in the cavity 3 of each strip-shaped unit plate 2, a through hole 5 is formed in the middle connecting beam of the H-shaped steel beam 1 at a position corresponding to the prestressed tendon 4, and two ends of the prestressed tendon 4 penetrate out of the middle connecting beam of the H-shaped steel beam 1 through the through holes 5 respectively; anchor clamps 6 are installed at both ends of the prestressed tendons 4.

In the embodiment, two H-shaped steel beams 1 are oppositely arranged, one is positioned at the bottom, the other is positioned right above, and the upper end and the lower end of the strip-shaped unit plate 2 are embedded into the grooves of the H-shaped steel beams 1; the inside prestressing tendons 4 that sets up of H shaped steel roof beam 1's cavity 3, the one end of prestressing tendons 4 is located the bottom of bar cell board 2, the other end is located the top of bar cell board 2, prestressing tendons 4 and two H shaped steel roof beam 1 through-hole 5's position through adjustment bar cell board 2, make prestressing tendons 4's both ends head stretch out by through-hole 5, then adopt tensioning equipment to carry out stretch-draw to prestressing tendons 4, then apply anchor clamps 6 at prestressing tendons 4 both ends, press from both sides a plurality of bar cell boards 2 tightly between two H shaped steel roof beams 1, form the whole dress wallboard structure. In the embodiment, two ends of a plurality of strip-shaped unit plates 2 are inserted into the grooves of two opposite H-shaped steel beams 1, and the strip-shaped unit plates 2 are fixed through the H-shaped steel beams 1, the prestressed tendons 4 and the anchor clamps 6 to form an integral wallboard structure, so that the wallboard structure is reliable in connection and fastening due to prestress application, good in integral stability, free of integral transportation, convenient to assemble and disassemble on site and easy to popularize and implement; and bar cell board 2 is for having the hollow core slab of cavity 3, under the prerequisite of guaranteeing 2 bulk strength of bar cell board, can alleviate the weight of bar cell board 2 to alleviate the weight of whole wallboard structure, also can increase the heat preservation and heat insulation performance of wallboard structure.

The strip-shaped unit plate 2 with the cavity 3 in the embodiment is a strip-shaped plate with certain compression resistance and shear strength, can be a vacuum extruded cement slat, and can also be a prefabricated cement plate, the cavity 3 only needs to be reserved in the prefabricated cement plate process, a prestressed pore channel does not need to be reserved independently, and the prestressed tendon 4 can be directly inserted into the cavity 3.

Two opposite side surfaces of the strip-shaped unit plates 2 are respectively provided with a clamping strip 9 and a clamping groove 10 which are matched, and the two adjacent strip-shaped unit plates 2 are spliced and fixed through the clamping strip 9 and the clamping groove 10 which are matched with each other. The strip-shaped unit plates 2 in the embodiment are spliced by the clamping grooves 10 and the clamping strips 9, so that the integrity and the stability of the wallboard structure are further ensured.

The thickness of the end of the strip-shaped unit plate 2 inserted into the groove of the H-shaped steel beam 1 is less than or equal to the distance between the inner walls of the groove of the H-shaped steel beam 1. Guarantee bar cell board 2 and can insert in the recess of H shaped steel roof beam 1, set up the end thickness of bar cell board 2 into equal with the groove width in this embodiment, when guaranteeing that the end of bar cell board 2 can agree with the recess, guarantee that 2 ends of bar cell board are difficult for producing the displacement in 1 recesses of H shaped steel roof beam, also can guarantee that bar cell board 2 is arranged neatly between H shaped steel roof beam 1, further guaranteed wallboard structure's wholeness and stability.

Example 2:

referring to fig. 3-6, the structure comprises two H-shaped steel beams 1 which are oppositely arranged, and a plurality of strip-shaped unit plates 2 are arranged between the two H-shaped steel beams 1; two ends of the strip-shaped unit plate 2 are respectively positioned in the grooves of the H-shaped steel beam 1; a cavity 3 vertical to the H-shaped steel beam 1 is arranged in each strip-shaped unit plate 2, and the cavity 3 penetrates through two opposite ends of each strip-shaped unit plate 2; at least one through prestressed tendon 4 is arranged in the cavity 3 of each strip-shaped unit plate 2, a through hole 5 is formed in the middle connecting beam of the H-shaped steel beam 1 at a position corresponding to the prestressed tendon 4, and two ends of the prestressed tendon 4 penetrate out of the middle connecting beam of the H-shaped steel beam 1 through the through holes 5 respectively; anchor clamps 6 are installed at both ends of the prestressed tendons 4.

Four corners of the side wall of the strip-shaped unit plate 2 are oblique angles 7, and wedge-shaped convex blocks 8 which can be matched with the oblique angles 7 on the two sides are arranged in the grooves of the H-shaped steel beam 1. Increase wedge lug 8 at H shaped steel roof beam 1 inslot, the cell board four corners is chamfered to oblique angle 7, and two adjacent bar cell boards 2 are pieced together and are formed the wedge recess, and when two adjacent bar cell boards 2 were installed in H shaped steel roof beam 1 recess, can completely agree with, and the bar cell board 2 of guaranteeing to install in H shaped steel roof beam 1 is difficult for producing the longitudinal sliding along in the recess.

The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only for the purpose of clearly showing the verification process of the utility model, and are not used to limit the scope of the utility model, which is defined by the claims, and all the equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the scope of the utility model.

Claims

1. The micro-prestress vacuum extrusion cement batten integrally-installed wall is characterized in that: the steel plate comprises two H-shaped steel beams (1) which are arranged oppositely, and a plurality of strip-shaped unit plates (2) are arranged between the two H-shaped steel beams (1); two ends of the strip-shaped unit plate (2) are respectively positioned in the grooves of the H-shaped steel beam (1); a cavity (3) which is vertical to the H-shaped steel beam (1) is arranged in each strip-shaped unit plate (2), and the cavity (3) penetrates through two opposite ends of each strip-shaped unit plate (2); at least one through prestressed tendon (4) is arranged in a cavity (3) of each strip-shaped unit plate (2), a through hole (5) is formed in the middle connecting beam of the H-shaped steel beam (1) at a position corresponding to the prestressed tendon (4), and two ends of the prestressed tendon (4) penetrate out of the middle connecting beam of the H-shaped steel beam (1) through the through hole (5); and anchor clamps (6) are arranged at two ends of the prestressed tendon (4).

2. The micro-prestressed vacuum-extruded cement plank self-assembled wall body as claimed in claim 1, wherein: four corners of the side wall of the strip-shaped unit plate (2) are oblique angles (7), and wedge-shaped convex blocks (8) which can be matched with the oblique angles (7) on the two sides are arranged in grooves of the H-shaped steel beam (1).

3. The micro-prestressed vacuum-extruded cement plank self-assembled wall body as claimed in claim 1, wherein: the strip-shaped cell boards are characterized in that two opposite side faces of each strip-shaped cell board (2) are respectively provided with a clamping strip (9) and a clamping groove (10) which are matched with each other, and the two adjacent strip-shaped cell boards (2) are spliced and fixed through the clamping strips (9) and the clamping grooves (10) which are matched with each other.

4. The micro-prestressed vacuum-extruded cement plank self-assembled wall body as claimed in any one of claims 1 to 3, wherein: the thickness of the end of the strip-shaped unit plate (2) inserted into the groove of the H-shaped steel beam (1) is less than or equal to the distance between the inner walls of the groove of the H-shaped steel beam (1).