CN219732312U

CN219732312U - BIM-based residential apartment AAC outer wall slat angle steel inverted installation structure

Info

Publication number: CN219732312U
Application number: CN202320292233.8U
Authority: CN
Inventors: 王文鑫; 刘铁邦; 李庆达; 王弼栋; 樊旭杰; 任鑫; 王子元; 王文刚; 张石宽
Original assignee: China Construction Third Bureau Group Beijing Co ltd
Current assignee: China Construction Third Bureau Group Beijing Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-09-22
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure, which comprises the following components: lath, steel plate and angle steel; the plurality of slats are arranged between the top beam plate and the bottom beam plate side by side; a steel plate is arranged on one side of the top beam plate and the slat, which is positioned indoors, a first hook bolt is arranged at the position, close to the steel plate, of the top of the slat, and one end, positioned indoors, of the first hook bolt is abutted against the steel plate; the bottom beam plate and the lath are provided with angle steel on one side in the room, the position of the lath bottom close to the angle steel is provided with a second hook bolt, and one end of the second hook bolt in the room is abutted with the angle steel. The installation structure is convenient to install and high in construction efficiency.

Description

BIM-based residential apartment AAC outer wall slat angle steel inverted installation structure

Technical Field

The utility model relates to the technical field of building structures, in particular to a residential apartment AAC external wall slat angle steel reverse installation structure based on BIM.

Background

The autoclaved lightweight sand aerated concrete slab is a porous concrete slab (AAC slab for short) which is prepared by taking cement, silica sand and the like as main raw materials, reinforcing steel bars subjected to rust prevention treatment, and performing high-temperature high-pressure steam curing.

The AAC board has high construction speed and convenient installation, is suitable for being used as an inner wall and an outer wall in public projects, and the AAC board is connected without arranging constructional columns, lintels and other members, so that the labor investment is reduced, and the working procedures are saved.

Because the house apartment construction operation space is narrow, can't use mechanical installation, can only adopt the manual work to carry out the construction, the efficiency of construction is lower.

The AAC outer wall is mainly provided with the following two difficulties:

(1) The assembled shear wall is constructed integrally by adopting a CT plate insulation board, and angle steel cannot be fixed on the CT plate due to low strength of the CT insulation board, so that the problem of difficult engineering construction cannot be solved by adopting external angle steel;

(2) Because house apartment construction operation space is narrow, the installation of AAC slat outer wall can't use mechanical installation, can only use the manual installation of hand car to carry out the AAC slat, but outer wall slat is 300mm thick, and volume and weight are great, if outwards install the angle steel, cause the AAC slat to drop easily, construction safety and quality are difficult to guarantee.

Therefore, the anti-installation structure of the BIM-based residential apartment AAC outer wall slat angle steel is researched, which is convenient to install and high in construction efficiency, and is a problem to be solved by a person skilled in the art.

Disclosure of Invention

In view of the above, the utility model provides a BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure which is convenient to install and high in construction efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure comprises: lath, steel plate and angle steel;

the plurality of slats are arranged between the top beam plate and the bottom beam plate side by side;

the steel plate is arranged on one side of the top beam plate and the slat, which is positioned indoors, a first hook bolt is arranged at the position, close to the steel plate, of the top of the slat, and one end, positioned indoors, of the first hook bolt is abutted against the steel plate;

the bottom beam plate and the lath are arranged on one side of the room, the angle steel is arranged on the bottom of the lath, a second hook bolt is arranged at the position, close to the angle steel, of the bottom of the lath, and one end, located in the room, of the second hook bolt is abutted to the angle steel.

The technical scheme has the beneficial effects that the advanced typesetting is carried out on the ACC lath by the BIM technology, the post angle steel fixing technology is adopted, the hook head bolts, the steel plates and the angle steel are arranged indoors, and the construction progress of the site AAC lath riser is improved.

Preferably, the top and the bottom of the ribbon board are both connected with pipe clamps, and the other end of each pipe clamp is connected with the top beam plate or the bottom beam plate. The position of the lath between the top and bottom beam plates can be defined by means of a pipe clamp.

Preferably, a plurality of U-shaped clamping pieces are arranged on one side, contacted with the main structure wall, of the ribbon board, and the U-shaped clamping pieces are connected with the main structure wall. The U-shaped clamping piece can be used for connecting the slat with the main structure wall, so that the slat structure is more stable.

Preferably, mortar is filled in the gap between the bottom of the slat and the bottom beam plate, and foaming agent is filled in the gap between the top of the slat and the top beam plate.

Preferably, all be connected with the penetrating nail between pipe strap and the top beam slab, between pipe strap and the bottom beam slab, between U fastener and the major structure wall.

Preferably, steel expansion bolts are connected between the steel plate and the top beam plate, between the angle steel and the bottom of the ribbon board, and between the angle steel and the bottom beam plate.

Preferably, the gaps between the adjacent battens, between the battens and the bottom beam plate, between the battens and the top beam plate, between the steel plates, between the hook head bolts and the steel plates, between the angle steel and the battens, and between the hook head bolts and the angle steel are sealed by sealant.

Compared with the prior art, the utility model discloses a residential apartment AAC external wall slat angle steel reverse installation structure based on BIM, which has the beneficial effects that:

(1) In the utility model, the advanced typesetting of the AAC lath is performed by a BIM technology, a rear angle steel fixing technology is adopted, hook head bolts, steel plates and angle steel are arranged indoors, and the construction progress of the site AAC lath riser is improved by 20%;

(2) The construction technology reduces the construction difficulty, improves the construction safety performance, adopts dry construction in the construction process, can be used for construction in winter, and improves the site construction quality.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the connection of laths, beam plates and main structural walls provided by the utility model;

FIG. 2 is a schematic view of the pipe clamp connection part provided by the utility model;

FIG. 3 is a schematic view of the connection of the lath and the top beam plate according to the present utility model;

fig. 4 is a schematic structural view of the connection between the lath and the bottom beam plate provided by the utility model.

Wherein, in the drawing,

1-laths; 2-steel plate; 3-angle steel; 4-top beam plate; 5-bottom beam plate; 6-a first hook bolt; 7-a second hook bolt; 8-pipe clamps; 9-a main body structure wall; 10-U-shaped clamping pieces; 11-mortar; 12-a foaming agent; 13-nailing; 14-steel expansion bolts; 15-sealing glue.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model discloses a BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure, which comprises the following components: a slat 1, a steel plate 2 and angle steel 3;

the plurality of the battens 1 are arranged between the top beam plate 4 and the bottom beam plate 5 side by side;

the steel plate 2 is arranged on one side of the top beam plate 4 and the slat 1, which is positioned indoors, a first hook bolt 6 is arranged at the position, close to the steel plate 2, of the top of the slat 1, and one end, positioned indoors, of the first hook bolt 6 is abutted against the steel plate 2;

the bottom beam plate 5 and the lath 1 are located indoor one side and are equipped with angle steel 3, and the position that lath 1 bottom is close to angle steel 3 is equipped with second gib head bolt 7, and the one end that second gib head bolt 7 is located indoor and angle steel 3 looks butt. According to the utility model, an AAC external wall slat is preliminarily fixed by adopting a pipe clamping method and a U-shaped clamping piece method, angle steel 3 is reversely arranged indoors, namely, the opening direction is towards the indoor installation, the angle steel 3 is fixed on a bottom beam plate 5 through a steel expansion bolt 14, then spot welding is carried out on the angle steel 3 and a second hook bolt 7, a nut is screwed, the installation and the fixation of the external wall are completed, and finally, a sealant 15 is used for pointing joints of the external wall panels, bolt installation holes and other joints.

In order to further optimize the technical scheme, the top and the bottom of the slat 1 are both connected with pipe clamps 8, and the other end of each pipe clamp 8 is connected with the top beam plate 4 or the bottom beam plate 5.

In order to further optimize the technical scheme, a plurality of U-shaped clamping pieces 10 are arranged on one side, contacted with the main body structure wall 9, of the slat 1, and the U-shaped clamping pieces 10 are connected with the main body structure wall 9.

In order to further optimize the technical scheme, mortar 11 is filled in the gap between the bottom of the slat 1 and the bottom beam plate 5, and foaming agent 12 is filled in the gap between the top of the slat 1 and the top beam plate 4.

In order to further optimize the technical scheme, the shooting nails 13 are connected between the pipe clamps 8 and the top beam plate 4, between the pipe clamps 8 and the bottom beam plate 5 and between the U-shaped clamping pieces 10 and the main structure wall 9.

In order to further optimize the technical scheme, steel expansion bolts 14 are connected between the steel plate 2 and the top beam plate 4, between the angle steel 3 and the bottom of the ribbon board 1 and between the angle steel 3 and the bottom beam plate 5.

In order to further optimize the technical scheme, gaps among adjacent battens 1, between battens 1 and bottom beam plates 5, between battens 1 and top beam plates 4, between steel plates 2 and battens 1, between first hook bolts 6 and steel plates 2, between angle steel 3 and battens 1, and between second hook bolts 7 and angle steel 3 are sealed by sealant 15.

The installation process of the slat comprises the following steps:

1) After the AAC laths enter a construction site, the site is selected, the AAC laths are orderly stacked according to the site construction sequence in batches and in a regular manner, mark rows are hung, the specification, the number and the use positions of the AAC laths are noted, the site stacking site of the sheet materials is solid, smooth and dry, the sheet materials cannot directly contact the ground during stacking, the two ends of the sheet materials are supported by 100mm, the stacking is stable, and the height is less than or equal to 2m;

2) The BIM is adopted to deepen typesetting on the outer wall, and a technician determines the mounting position line of the wall body of the slat 1 according to an engineering plane layout diagram and a site positioning axis, generally pops up the side line of the wall plate up and down, marks the building elevation 1m line of the floor, and is required when the wall plate at the door and window opening is mounted;

3) After the U-shaped clamp 10 is vertically installed and the batten 1 is in place, installing the U-shaped clamp 10 (with the thickness of 1.5 mm), the length of 60mm, the height of 150mm and the width of +5mm of the wall according to the position line of the sprung wall, and connecting the nailing 13 with concrete, wherein the number of the nailing 13 is not less than 2, as shown in figure 1;

4) Manually erecting the slat 1 and then moving to the installation position, temporarily fixing the upper and lower ends of the slat 1 by using a wooden wedge, leaving a gap of 20-30 mm at the lower end and leaving a gap of 10-20 mm at the upper end; gap 1:3, filling cement mortar; checking the flatness of the wall body by using a 2m guiding rule, hanging verticality by using a plumb bob and the 2m guiding rule, and beating upper and lower end wood wedges by using a rubber hammer to adjust the plate until the plate is qualified; the installation of the slat 1 is preferably carried out sequentially from the window opening edge to the two sides; the well-ordered lath 1 which is not cut is arranged at the external corner of the window opening edge and the wall, and the partition wall with the opening edge is arranged from the opening edge to the two sides; the partition wall without the opening is sequentially arranged from one end of the wall to the other end;

5) The top of the horizontal strip plate 1 is connected with concrete by adopting a pipe clamp 8, and the number of the shooting nails 13 is not less than 2 as shown in figure 2;

6) Filling the bottom gap of the slat 1 with expansion mortar, and filling and leveling the gaps between the slats 1 and 1 with special repair mortar;

7) The angle steel 3 or the steel plate 2 is reversely arranged in the room, namely, the opening direction is arranged towards the room, and the angle steel 3 or the steel plate 2 is fixed on the bottom beam plate 5 and the top beam plate 4 through the steel expansion bolts 14, as shown in figures 3 and 4;

8) The first hook bolt 6 or the second hook bolt 7 is fixed with the steel plate 2 or the angle steel 3 through electric welding spot welding, and outer nuts of the first hook bolt 6 and the second hook bolt 7 are installed by using a hanging basket;

9) The gap between the top of the lath 1 and the top plate girder 4 is filled with a foaming agent 12; and sealing the gaps of the external wall plates, such as gaps between the strip plates 1 and 1, gaps between the strip plates 1 and a concrete structure, gaps between angle steel and the strip plates 1, gaps between the first hook bolt 6 and the steel plate 2, and gaps between the second hook bolt 7 and the angle steel 3, by using special sealant.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. BIM-based residential apartment AAC outer wall slat angle steel reverse installation structure, characterized by comprising: a slat (1), a steel plate (2) and angle steel (3);

the plurality of slats (1) are arranged between the top beam plate (4) and the bottom beam plate (5) side by side;

the roof beam board (4) and the one side that slat (1) are located indoor are provided with steel sheet (2), the position that is close to steel sheet (2) in slat (1) top is provided with first gib head bolt (6), the one end that first gib head bolt (6) is located indoor and steel sheet (2) butt;

the bottom beam plate (5) and the lath (1) are arranged on one side of the room, the angle steel (3) is arranged on the bottom of the lath (1), a second hook bolt (7) is arranged at a position, close to the angle steel (3), of the angle steel, and one end, located indoors, of the second hook bolt (7) is abutted to the angle steel (3).

2. The BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure according to claim 1, wherein the top and the bottom of the slat (1) are both connected with pipe clamps (8), and the other end of each pipe clamp (8) is connected with the top beam plate (4) or the bottom beam plate (5).

3. The BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure according to claim 2, wherein a plurality of U-shaped clamping pieces (10) are arranged on one side, which is contacted with a main structure wall (9), of the slat (1), and the U-shaped clamping pieces (10) are connected with the main structure wall (9).

4. A residential apartment AAC external wall lath angle steel reverse installation structure based on BIM according to claim 3, wherein the gap between the bottom of the lath (1) and the bottom beam plate (5) is filled with mortar (11), and the gap between the top of the lath (1) and the top beam plate (4) is filled with foaming agent (12).

5. The BIM-based residential apartment AAC exterior wall slat angle steel reverse installation structure according to claim 4, wherein the shooting nails (13) are connected between the pipe clamp (8) and the top beam plate (4), between the pipe clamp (8) and the bottom beam plate (5) and between the U-shaped clamping piece (10) and the main structure wall (9).

6. The BIM-based residential apartment AAC exterior wall slat angle steel inverted installation structure according to claim 5, wherein steel expansion bolts (14) are connected between the steel plate (2) and the top beam plate (4), between the angle steel (3) and the bottom of the slat (1) and between the angle steel (3) and the bottom beam plate (5).

7. The building information processing (AAC) outer wall lath angle reverse installation structure based on BIM according to claim 6, wherein gaps among adjacent laths (1), between laths (1) and bottom beam plates (5), between laths (1) and top beam plates (4), between steel plates (2) and laths (1), between first hook bolts (6) and steel plates (2), between angle steels (3) and laths (1) and between second hook bolts (7) and angle steels (3) are sealed by sealant (15).