CN110748077A - Prestressed truss wallboard, wall body manufactured by using wallboard and manufacturing method of wall body - Google Patents

Abstract

A prestressed truss wall panel, a wall body made by using the wall panel and a method for making the wall body, comprising a prestressed truss panel, the prestressed truss panel is a concrete panel with pre-embedded prestressed steel bars, and the prestressed truss panel is parallel to the Set up multiple groups of truss beams, each group of truss beams includes 2-4 trusses, each truss forms truss beams along the length direction, and there are gaps between the adjacent trusses in each group of truss beams for edge members of the shear wall. The positive effect of the present invention is that: the rigidity of the wall is increased, the thickness of the wall panel is reduced on the basis of ensuring the strength, and the prestressed steel bars arranged therein can make the prestressed panel made of concrete pressurized, prevent the wall from cracking, and prevent the wall from cracking. Buildings play a protective role. Compared with the traditional wall fabrication method, the present invention has the advantages of more practicality, higher quality and higher efficiency.

Description

A prestressed truss wall panel, a wall body made of the wall panel and the manufacture of the wall body method

technical field

The invention relates to a prefabricated building component, more specifically a prestressed truss wall panel and a wall body made of the wall panel.

Background technique

At present, the production of building shear walls is mostly prefabricated two formwork in advance, interspersed between the two formwork steel bars or bolts that play a pretightening role, and then poured concrete between the two formwork, but the formwork during the pouring process. The distance between them cannot be guaranteed, it is easy to skew the poured wall, and after the wall is poured, the external formwork must be removed and the pre-tightening steel bars or bolts protruding from the wall must be removed, which is not only time-consuming and labor-intensive, but also And the overall quality of the wall can not be guaranteed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a prestressed truss wall panel, a wall body made by using the wall panel and a method for making the wall body. The wall can be cast into a shear wall or a lightweight partition wall. The shear wall and lightweight partition wall can be combined with edge members to form a mixed wall. Before pouring concrete into the hollow wall, there is no need to insert additional pre-tightening steel bars or bolts. The trusses between the wall panels can ensure that the distances in the hollow wall are equal everywhere, and there is no need to remove the formwork after the wall is poured, which improves the efficiency of wall production on the premise of ensuring the overall wall quality.

The technical solution adopted by the present invention to solve the technical problem is as follows: a prestressed truss wall panel according to the present invention includes a prestressed truss panel, and the prestressed truss panel is a concrete panel with prestressed steel bars embedded in it. Several groups of truss beams are arranged in parallel on the plate, each group of truss beams includes 2-4 trusses, each truss forms a truss beam along the length direction, and there are edge members of the shear wall between adjacent trusses in each group of truss beams Each truss includes a truss upper chord, and truss web bars are arranged on both sides of the truss upper chord, and the lower part of the truss web bar is pre-buried in the prestressed truss plate. Further, the trusses are arranged vertically with the prestressed steel bars, and the prestressed steel bars are located in the middle of the thickness direction of the concrete slab. Further, the upper chords of the trusses are steel bars. Further, the upper chord of the truss is a steel pipe. Further, the steel pipe is filled with hard fillers.

For the wall made by using the above prestressed truss wall panels, the truss beams on the two prestressed truss panels are arranged opposite to each other to form a hollow wall panel prefab. The upper chords are all in contact with the concrete slab of the other prestressed truss slab in the prefabricated hollow wall panel, the truss beams on the two prestressed truss slabs are staggered, and the shear wall edge members of the two prestressed truss slabs have gaps with each other. Coincidence, set reinforcement cages in the gaps of edge members of each shear wall and pour concrete to form building edge members. Further, a part of the area of the truss beams provided between the concrete slabs of the two prestressed truss slabs is set with vertical reinforcement bars and poured. Concrete, each vertical steel bar is perpendicular to the horizontal plane, forming a building shear wall, further, a part of the truss beam provided between the concrete slabs of the two prestressed truss slabs is filled with lightweight fillers to form a lightweight partition wall.

The method of using the above-mentioned prestressed truss wall panels to make a wall includes the following steps: 1. Take two prestressed truss panels at the wall construction site and stand them up with a support tool, so that the two truss beams face each other and are arranged staggered and two The gaps of the edge members of the shear wall of the prestressed truss slab overlap each other; ② the concrete slabs of the two prestressed truss slabs are connected to each other by the use of tension bolts, so that the upper chord of the truss of the prestressed truss slab is all connected with the other prestressed truss slab. The concrete slabs are in close contact with each other to obtain the hollow wall panel prefabricated parts; ③ In the hollow wall panel prefabricated parts, the gap between the part where the shear wall needs to be built and the part where the lightweight partition wall needs to be built, as well as the gap between the edge components of the shear wall and the part where the lightweight partition wall needs to be built. Install the formwork between the parts of the partition wall; ④ Install the reinforcement cage in the gap between the edge members of the shear wall of the prefabricated hollow wall panel; The vertical steel bars are perpendicular to the horizontal plane; ⑥Pour concrete into the gap between the edge members of the shear wall of the prefabricated hollow wall panel and the parts where the shear wall needs to be constructed and maintained; The wall is obtained by filling the interior of the light-weight partition wall with light-weight fillers.

The positive effect of the invention is that: the concrete wall panels with trusses are spliced into a hollow wall at the construction site, the hollow wall can be cast into a shear wall or a lightweight partition wall, and the shear wall and the lightweight partition wall can be connected with the edge The components are combined to form a mixed wall, which has low processing difficulty, high yield and easy transportation. Before pouring concrete in the hollow wall, there is no need to insert additional pre-tightening steel bars or bolts. The trusses set across the concrete wall panels can ensure that the distance in the hollow wall is equal everywhere, so as to avoid deflection during the pouring process of the wall. In addition, the concrete wall panel is also used as a mold and does not need to be dismantled after the pouring is completed. An integral wall is formed between various walls and dark columns, without joints, and there will be no wall cracks. The prestressed reinforced concrete slab with truss is used as the outer frame of the wall, which increases the rigidity of the wall and reduces the thickness of the wall slab on the basis of ensuring the strength. The plate is compressed to avoid wall cracking and protect the building. Compared with the traditional wall manufacturing method, the present invention has the advantages of more practicality, higher quality and higher efficiency.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the prestressed truss plate in the present invention;

Figure 2 is a schematic diagram of the structure before the combination of two prestressed truss plates;

Fig. 3 is a partial enlarged view of I in Fig. 2;

Figure 4 is a schematic structural diagram of two prestressed truss panels combined into a prefabricated hollow wall panel;

Fig. 5 is A-A sectional view in Fig. 4;

Fig. 6 is the mechanism schematic diagram after the present invention disposes steel bar;

Fig. 7 is B-B in Fig. 6 sectional view;

Fig. 8 is C-C in Fig. 6 sectional view;

Figure 9 is a schematic diagram of the structure of the present invention cast into a wall.

In the figure, 1 steel cage, 2 prestressed steel bars, 3 concrete slabs, 4 vertical steel bars, 5 trusses, 6 partial gaps of edge members of shear wall, 7 upper chords of trusses, 8 truss webs, 9 templates.

Detailed ways

A prestressed truss wall panel according to the present invention includes a prestressed truss panel. As shown in Figures 1 and 2, the prestressed truss panel is a concrete panel 3 with pre-embedded prestressed steel bars 2. The prestressed truss panel is a A plurality of groups of truss beams are arranged in parallel, each group of truss beams includes 2-4 trusses 5, and each truss beam 5 forms a truss beam along the length direction. Between adjacent trusses 5 in each group of truss beams, there is a partial gap 6 for edge members of the shear wall, each truss 5 includes a truss upper chord 7, and truss web bars 8 are arranged on both sides of the truss upper chord 7, and the lower part of the truss web bar 8 is pre-buried in the Inside the prestressed truss slab.

The truss 5 is vertically arranged with the prestressed steel bar 2 , as shown in FIG. 3 , the prestressed steel bar 2 is located in the middle of the thickness direction of the concrete slab 3 .

The upper chord 7 of the truss can be an existing steel bar or a steel pipe. When the upper chord 7 of the truss is a steel pipe, a hard filler is filled in the steel pipe, and the hard filler can be concrete or cement mortar.

As shown in Figure 4 and Figure 5, the truss beams on the two prestressed truss panels are arranged opposite to each other to form a hollow wall panel prefab. Each truss beam inside the hollow wall panel prefab is parallel to the horizontal plane, and the upper chord of each prestressed truss panel is 7 Both are in contact with the concrete slab 3 of the other prestressed truss slab in the prefabricated hollow wall panel, the truss beams on the two prestressed truss slabs are staggered, and the gaps 6 of the shear wall edge members of the two prestressed truss slabs are mutually Overlapping, as shown in FIG. 6 , the reinforcement cages 1 are arranged in the gaps 6 of the edge members of each shear wall and concrete is poured to form the edge members of the building.

As shown in FIG. 7 , vertical steel bars 4 are set in a part of the truss beams provided between the concrete slabs 3 of the two prestressed truss slabs and concrete is poured. Each vertical steel bar 4 is perpendicular to the horizontal plane to form a building shear wall. When making the shear wall, concrete is filled between the concrete slabs 3 of the two prestressed truss slabs, and vertical reinforcement bars 4 are arranged in the concrete. The truss beam enhances the load capacity of the concrete slab 3, which can enhance the integrity of the building itself and greatly improve the earthquake resistance of the building.

As shown in FIG. 8 , a part of the truss beam provided between the concrete slabs 3 of the two prestressed truss slabs is filled with lightweight fillers to form a lightweight partition wall. When making a lightweight partition wall, light materials such as sound insulation and thermal insulation materials are filled between the concrete slabs 3 of the two prestressed truss slabs. The above-mentioned wall structure can improve the thermal insulation and sound insulation performance of the exterior wall of the building, enhance the aesthetics of the indoor side wall, reduce the later decoration steps, and make the wall both stress, airtight, thermal insulation, fireproof, waterproof, sound insulation, and weather resistance. and other important functions.

The present invention adopts prestressed truss plates with trusses 5 to be spliced into a hollow wall at the construction site, the hollow wall can be cast into a shear wall or a lightweight partition wall, and the shear wall and the lightweight partition wall can be combined with edge components to form The mixed wall has low component processing difficulty, high yield, and easy transportation. Various walls and dark columns form an integral wall without joints, and there will be no wall cracks. The wall panel component of the invention has low processing difficulty, high yield and easy transportation. The prestressed truss panel is used as the outer skeleton of the wall body to increase the rigidity of the wall body, reduce the thickness of the wall panel on the basis of ensuring the strength, and further improve the wall body. The rigidity and compressive performance enhance the load capacity of the concrete slab 3. The prestressed steel bar 2 set in the concrete slab 3 can make the prestressed slab made of concrete pressurized, avoid wall cracking, and can resist earthquakes in the event of an earthquake. The reciprocating force consumes seismic energy and protects the building.

The method for making a wall using a prestressed truss plate according to the present invention comprises the following steps:

①Take two prestressed truss slabs at the wall construction site and use support tools to position them so that the two truss beams face each other and are staggered and the gaps 6 of the shear wall edge members of the two prestressed truss slabs overlap each other;

② Connect the concrete slabs 3 of the two prestressed truss slabs to each other using the tension bolts, so that the upper chords 7 of the truss of the prestressed truss slab are in close contact with the concrete slab 3 of the other prestressed truss slab to obtain a hollow wall panel prefabricated part ;

③In the hollow wall panel prefabricated parts, install the formwork between the part where the shear wall needs to be built and the part where the lightweight partition wall needs to be built, and between the gap 6 between the edge components of the shear wall and the part where the lightweight partition wall needs to be built;

④ Install the reinforcement cage 1 in the gap 6 of the shear wall edge member of the prefabricated hollow wall panel;

⑤ In the hollow wall panel prefabricated parts, vertical steel bars 4 should be placed in the parts where the shear wall needs to be constructed, so that the vertical steel bars 4 are perpendicular to the horizontal plane;

⑥Pour concrete into the gap 6 of the shear wall edge member of the prefabricated hollow wall panel and the part where the shear wall needs to be constructed and maintained;

⑦Remove the template added in step ③, and fill the interior of the hollow wall panel prefabricated parts where the lightweight partition wall needs to be constructed to obtain the wall body.

The technical solutions of the present invention are not limited to the scope of the embodiments described in the present invention. The technical contents not described in detail in the present invention are all known technologies.

Claims (9)

1. A prestressed truss wall panel, comprising: the prestressed truss plate is a concrete slab (3) with prestressed reinforcements (2) embedded, a plurality of groups of truss beams are arranged on the prestressed truss plate in parallel, each group of truss beams comprises 2-4 trusses (5), each truss (5) forms a truss beam along the length direction, a shear wall edge component part gap (6) is reserved between every two adjacent trusses (5) in each group of truss beams, each truss (5) comprises a truss upper chord (7), truss web reinforcements (8) are arranged on two sides of the truss upper chord (7), and the lower parts of the truss web reinforcements (8) are embedded in the prestressed truss plate.

2. A pre-stressed truss wall panel as defined in claim 1 wherein: the truss (5) and the prestressed reinforcement (2) are arranged vertically, and the prestressed reinforcement (2) is located in the middle of the concrete slab (3) in the thickness direction.

3. A pre-stressed truss wall panel as defined in claim 1 wherein: the truss upper chord (7) is a steel bar.

4. A pre-stressed truss wall panel as defined in claim 1 wherein: the truss upper chord (7) is a steel pipe.

5. A pre-stressed truss wall panel according to claim 4 wherein: and hard fillers are filled in the steel pipe.

6. A wall made using the wallboard of claim 1, wherein: the truss beams on the two prestressed truss plates are oppositely arranged to form a hollow wallboard prefabricated member, each truss beam in the hollow wallboard prefabricated member is parallel to a horizontal plane, an upper chord (7) of each prestressed truss plate is contacted with a concrete plate (3) of the other prestressed truss plate in the hollow wallboard prefabricated member, the truss beams on the two prestressed truss plates are arranged in a staggered mode, partial gaps (6) of shear wall edge members of the two prestressed truss plates are mutually overlapped, and reinforcing cages (1) are arranged in the partial gaps (6) of the shear wall edge members and concrete is poured to form building edge members.

7. A wall according to claim 6, wherein: vertical steel bars (4) are arranged in a part of areas of the truss beams arranged between the concrete slabs (3) of the two prestressed truss plates, concrete is poured, and the vertical steel bars (4) are vertical to the horizontal plane to form the building shear wall.

8. A wall according to claim 6, wherein: a part of the area of the truss girder arranged between the concrete plates (3) of the two prestressed truss plates is filled with light filler to form the light partition wall.

9. A method of making a pre-stressed truss wall panel as claimed in any one of claims 1 to 5 into a wall as claimed in any one of claims 6 to 8, wherein: the method comprises the following steps:

① erecting two prestressed truss plates at the wall construction site and positioning them with supporting tool to make the two truss beams opposite and staggered and the shear wall edge member gaps (6) of the two prestressed truss plates coincide with each other;

② connecting the concrete plates (3) of two prestressed truss plates with each other by using split bolts to ensure that the truss upper chords (7) of the prestressed truss plates are both in close contact with the concrete plate (3) of the other prestressed truss plate to obtain a hollow wall plate prefabricated member;

③ installing templates (9) between the shear wall part and the light partition wall part, and between the shear wall edge member part gap (6) and the light partition wall part;

④ installing reinforcement cages (1) in the gaps (6) of the edge members of the shear walls of the hollow wall plate prefabricated members;

⑤ placing vertical steel bars (4) in the part of the hollow wall plate prefabricated member where the shear wall is to be built, so that the vertical steel bars (4) are vertical to the horizontal plane;

⑥ pouring concrete into the gap (6) of the shear wall edge member of the hollow wallboard prefabricated member and the position where the shear wall is required to be built and curing;

⑦ removing the template (9) added in step ③, and filling light filler into the hollow wall plate prefabricated member to build the light partition wall to obtain the wall.

Images