CN215759824U

CN215759824U - Cast-in-situ light external wall panel with embedded light steel keel

Info

Publication number: CN215759824U
Application number: CN202121870826.5U
Authority: CN
Inventors: 王狄龙; 王东方; 任琼海; 符金根; 贾天麟
Original assignee: Zhejiang Shengxin Construction Co ltd
Current assignee: Zhejiang Shengxin Construction Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-08
Anticipated expiration: 2031-08-11

Abstract

A cast-in-place lightweight wallboard with embedded light steel keels comprises a wall body, wherein stand columns are arranged on two sides of the wall body, cross beams are arranged at the upper end and the lower end of the wall body, the wall body comprises a concrete pouring part and keels arranged in parallel to the stand columns, a plurality of keels are arranged between the two stand columns at intervals, connecting pieces are arranged on the cross beams, and the end parts of the keels are fixedly arranged on the connecting pieces; the cross-section of fossil fragments is U type structure setting including web and pterygoid lamina, side fascia and web laminating, the passageway has been seted up on the pterygoid lamina, run through to be provided with the reinforcing bar in the passageway, the reinforcing bar runs through all fossil fragments between the coexistence post, through set up the connecting piece on the crossbeam, the end fixing of fossil fragments is on the connecting piece, the reinforcing bar between cooperation fossil fragments further guarantees the relative position between the fossil fragments, then at on-the-spot formwork monolithic concretion wallboard, the wallboard dead weight after pouring is light, the too big unfavorable factor to the major structure atress of wallboard overall quality has been reduced, the built-in construction in the later stage of also being convenient for, improve work efficiency and increased inner space's rate of utilization.

Description

Cast-in-situ light external wall panel with embedded light steel keel

Technical Field

The utility model relates to the technical field of building construction, in particular to a cast-in-place lightweight external wall panel with embedded light steel keels.

Background

With the strong promotion of the country to the assembly type steel structure building and the limitation of the application of the glass curtain wall in the external decoration of the building, the application of the Precast Concrete (PC) external wall panel in the assembly type steel structure building is more and more extensive. Because the PC wallboard mainly adopts common concrete and has higher gravity mass density (about 24-28 kg/m3), the PC wallboard has large integral mass, is unfavorable for the stress of a main body structure and is inconvenient to transport, construct and hoist; the external embedded integrated external wall panel which is used more in the market at present has large thickness and mass, and is not convenient to be connected with the hinged surface of the internal wall.

Chinese patent application No. CN202020943823.9 discloses a cast-in-place fabricated disassembly-free formwork heat-insulating integrated house; the steel reinforcement framework comprises a foundation structure, an outer wall body, an inner wall body, a floor slab, a roof, a structural beam, a structural column, a stair and a steel reinforcement framework, wherein the steel reinforcement framework is poured in the foundation structure, the inner wall body of the outer wall body, the structural beam and the structural column and connected into a framework; the foundation structure comprises a foundation disassembly-free inner mold, a foundation disassembly-free outer mold and a cast-in-place structure body; the outer wall body is for exempting from the form removal and pour the outer wall in situ, exempt from the form removal and be located the inboard outer wall of wall body and exempt from the form removal including the heat preservation outer wall that is located the wall body outside, the outer wall body is for exempting from the form removal and pour the outer wall in situ, exempt from the form removal and be located the inboard outer wall of wall body and exempt from the form removal including the heat preservation outer wall that is located the wall body outside.

Among the above-mentioned technical scheme, the displacement takes place for the steel reinforcement skeleton in concrete placement process easily at cast-in-place in-process of interior wall body, leads to the distribution of steel reinforcement skeleton in the interior wall body not to accord with preset position, leads to interior wall body to take place the fracture easily in long-time use, and prior art exists the improvement part.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a cast-in-place light external wall panel embedded with light steel keels, wherein connecting pieces are arranged on a cross beam, the end parts of the keels are fixed on the connecting pieces, the relative positions between the keels are further ensured by matching with reinforcing steel bars among the keels, then the wall panel is integrally cast by erecting a formwork on site, the self weight of the cast wall panel is light, the adverse factor of the excessive integral quality of the wall panel to the stress of a main body structure is reduced, the later-stage built-in construction is facilitated, the working efficiency is improved, and the utilization rate of an internal space is increased.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a cast-in-place lightweight wallboard with embedded light steel keels comprises a wall body, wherein stand columns are arranged on two sides of the wall body, cross beams are arranged at the upper end and the lower end of the wall body, the wall body comprises a concrete pouring part and keels arranged in parallel to the stand columns, a plurality of the keels are arranged between the two stand columns at intervals, connecting pieces are arranged on the cross beams, and the end parts of the keels are fixedly arranged on the connecting pieces; the cross-section of fossil fragments is U type structure setting including web and pterygoid lamina, the side fascia with the web laminating, the passageway has been seted up on the pterygoid lamina, run through in the passageway be provided with be on a parallel with the reinforcing bar of crossbeam, the reinforcing bar runs through two all fossil fragments between the stand, the passageway is followed the length direction interval distribution of stand.

Through adopting above-mentioned technical scheme, the connecting piece that sets up on the crossbeam can be fixed in on the crossbeam with the fossil fragments both ends, then run through all fossil fragments with the reinforcing bar, connecting piece on the crossbeam can avoid between fossil fragments and the crossbeam snap-on, because the crossbeam is the concrete placement shaping, the mode of adopting the connecting piece is fixed and can avoid the local fracture of crossbeam and lead to the fossil fragments displacement, connect gradually through the reinforcing bar between the fossil fragments, avoid fossil fragments to take place the slope through the connection of reinforcing bar, and pour the back reinforcing bar and can play the additional strengthening to the wall body, improve the intensity behind the wall body shaping, the fixed of connecting piece is guaranteed to have sufficient stability with being connected of reinforcing bar and fossil fragments at the pouring in-process fossil fragments, guarantee to flow at the concrete between in-process outrigger at crossbeam and stand.

The utility model is further configured to: the connecting piece including with the fixed plate of crossbeam laminating and with the connecting plate of web laminating, the fixed plate with the connecting plate sets up perpendicularly, the fixed plate with be provided with expansion bolts on the connecting plate.

Through adopting above-mentioned technical scheme, the fixed plate sets up and passes through expansion bolts fixed connection with the crossbeam laminating, and the fixed plate avoids the crossbeam to take place the fracture with even the exerting on the crossbeam surface of the power that fossil fragments received, and the connecting plate sets up with the fixed plate is perpendicular, can guarantee the straightness that hangs down of fossil fragments when the installation fossil fragments.

The utility model is further configured to: the fixing plate extends to form a stabilizing plate, the stabilizing plate is attached to the cross beam, and self-tapping screws are arranged on the fixing plate and the connecting plate.

By adopting the technical scheme, the self-tapping screw is easy to construct on site, the stable plate extending on the fixing plate can wrap the edge of the cross beam, the position of the connecting plate at the other side of the fixing plate can be limited by the joint of the fixing plate and the edge of the cross beam, so that the distance between the fixing plate and the edge of the cross beam on the same cross beam is the same, and the keel is easy to arrange on the arc-shaped cross beam; the fixed plate with the stabilizing plate can further improve the fixing stability of the connecting piece to the keel, and ensures the stability of the keel in the setting process, the pouring process and the shaping process.

The utility model is further provided that one side of the edge of the wing plate of the keel is positioned 20mm outside the edge of the cross beam.

Through adopting above-mentioned technical scheme, the installation of follow-up template is easily after 20mm of fossil fragments are overhanging, the pouring of the concrete of being convenient for.

The utility model is further configured to: the channel interval on the same fossil fragments is 200 ~ 300mm, the diameter of passageway is 30 mm.

By adopting the technical scheme, the diameter of the channel is 30mm, and the diameter is larger than that of the reinforcing steel bar, so that concrete can flow into the web plate during pouring, and a cavity of the wall body is avoided; the channel interval on the fossil fragments sets up 200 ~ 300mm, guarantees that the distribution density of reinforcing bar in the wall body is moderate, reduces the quantity of reinforcing bar under the intensity of guaranteeing the wall body, alleviates the weight of wall body.

The utility model is further configured to: the distance between two adjacent keels is 200-300 mm.

Through adopting above-mentioned technical scheme, 200 ~ 300mm sets up at interval on the adjacent fossil fragments, and the distribution density of fossil fragments in the assurance wall body is moderate, reduces the setting of fossil fragments under the intensity of assurance wall body, alleviates the weight of wall body

The utility model is further configured to: the keel is attached to the upright post.

Through adopting above-mentioned technical scheme, utilize fossil fragments to reduce the cohesiveness between wallboard and the stand, make the wallboard only provide the vertical bearing capacity of construction stage, avoid the wall body to receive horizontal shear and vertical bearing capacity and the fracture that leads to simultaneously.

The utility model is further configured to: the upright post is provided with a connecting piece, a stabilizing plate of the connecting piece is attached to the upright post, and the connecting plate is attached to the wing plate.

Through adopting above-mentioned technical scheme, improved the stability of stand one side fossil fragments installation, the messenger lies in the fossil fragments of stand side and can improve tensile properties, and the reinforcing bar that will run through the fossil fragments is flare-outed.

The utility model is further configured to: one side of the wing plate of the keel is at least provided with a concrete fire-proof layer with the thickness of 20 mm.

Through adopting above-mentioned technical scheme, can form the concrete flame retardant coating of 20mm thickness in fossil fragments pterygoid lamina one side through setting up of template position pouring in-process, can reduce the contact of air and fossil fragments on the one hand and improve the corrosion resisting property of fossil fragments in the wallboard, and on the other hand has increased the thickness of fossil fragments side concrete, can delay thermal transmission, improves the fire behavior of fossil fragments in the wallboard.

The utility model is further configured to: the bilateral symmetry of fossil fragments terminal surface sets up the connecting piece, the bilateral symmetry of connecting plate extends to have and is used for the butt the reinforcing plate of pterygoid lamina.

Through adopting above-mentioned technical scheme, the connecting piece that fossil fragments terminal surface symmetry set up can further improve the stability fixed to the fossil fragments terminal surface, accomplishes the reinforcing plate of fixed back one side of buckling at the fossil fragments terminal surface, makes the reinforcing plate and the pterygoid lamina laminating of this side fixed, has improved the commonality of connecting piece, need not distinguish the position of connecting piece, changes in the construction.

In summary, the present invention has the following effects:

1. the connecting piece arranged on the cross beam fixes the keel and the cross beam, the keel and the concrete are bonded more strongly by matching with the steel bar penetrated through by the keel piece, the formed wallboard has higher structural strength and lighter weight, a gap of 20mm is reserved between the keel and the cross beam, the wallboard is convenient to be integrally cast by a formwork on site, and the construction is simple and convenient;

2. the connecting pieces on the upright posts enable the keels to be more stable, the steel bars penetrating through the keels can be better fixed on the keels at two ends, the integral structure is stronger, the construction operation of the structural main body is not influenced in the wallboard pouring process, the cost is saved, the dead weight of the wallboard is reduced, and the adverse factor of the excessive integral quality of the wallboard to the stress of the main structure is also reduced;

3. the cohesiveness between the wall board and the upright post is reduced by the keel, so that the wall board only provides the vertical bearing capacity in the construction stage, and the wall body is prevented from cracking caused by horizontal shearing force and vertical bearing capacity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic view of a cast-in-place lightweight wallboard with embedded light steel keels in a state before pouring;

FIG. 2 is a schematic view of the cast-in-place lightweight wallboard with embedded light steel keels in the state after pouring;

FIG. 3 is a schematic cross-sectional view at a cross-beam;

FIG. 4 is a schematic view of the state of the connector;

FIG. 5 is a schematic view of a connector with a stabilizing plate;

FIG. 6 is a schematic view of a cross-sectional state at the column;

figure 7 is a schematic view of the arrangement of keel end connectors;

fig. 8 is a schematic view of a state with a reinforcing plate connecting member.

In the figure: 1. a column; 2. a cross beam; 3. a wall body; 31. a concrete pouring section; 32. a keel; 321. a web; 322. a wing plate; 33. a channel; 34. reinforcing steel bars; 4. a connecting member; 41. a fixing plate; 42. a connecting plate; 43. a stabilizing plate; 44. a reinforcing plate; 5. a fire barrier layer; 6. a template; 7. a self-tapping screw; 8. an expansion bolt.

Detailed Description

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

As shown in fig. 1 and 2, the cast-in-place lightweight wall panel with embedded light steel keels comprises a wall body 3, wherein two sides of the wall body 3 are provided with upright posts 1, the upper end and the lower end of the wall body 3 are provided with cross beams 2, the wall body 3 comprises a concrete pouring part 31 and keels 32 arranged parallel to the upright posts 1, a plurality of the keels 32 are arranged between the two upright posts 1 at intervals, the cross beams 2 are provided with connecting pieces 4, and the end parts of the keels 32 are fixedly arranged on the connecting pieces 4; the cross-section of fossil fragments 32 sets up including web 321 and pterygoid lamina 322 for U type structure, the side fascia with the laminating of web 321, passageway 33 has been seted up on the pterygoid lamina 322, it is on a parallel with to run through being provided with in the passageway 33 the reinforcing bar 34 of crossbeam 2, reinforcing bar 34 runs through two all fossil fragments 32 between the stand 1, passageway 33 is followed the length direction interval distribution of stand 1 sets up the template 6 that is used for pouring between stand 1 and crossbeam 2 after accomplishing the setting of fossil fragments 32, then pours and forms concrete filling portion.

Referring to fig. 3 and 4, the connecting member 4 includes a fixing plate 41 attached to the beam 2 and a connecting plate 42 attached to the web 321, the fixing plate 41 is perpendicular to the connecting plate 42, an expansion bolt 8 is disposed on the fixing plate 41 and the connecting plate 42, as shown in fig. 5, a fixing plate 43 extends from the fixing plate 41, the fixing plate 43 is attached to the beam 2, and a tapping screw 7 is disposed on the fixing plate 41 and the connecting plate 42.

As shown in fig. 6 and 7, the connecting members 4 are symmetrically disposed on both sides of the end surface of the keel 32, and reinforcing plates 44 for abutting against the wing plates 322 extend symmetrically on both sides of the connecting plate 42.

As shown in fig. 3, in order to facilitate the building of the pre-supporting formwork 6 during casting, one side of the edge of the wing plate 322 of the keel 32 is positioned 20mm outside the edge of the beam 2.

As shown in fig. 2, in order to further improve the corrosion resistance and fire resistance of the keel 32 after the wall 3 is formed, the side of the flange 322 of the keel 32 is provided with a concrete fire-proof layer 5 with a thickness of at least 20 mm.

As shown in fig. 1 and 3, in order to optimize the distribution of the keels 32 and the steel bars 34 in the wall 3, the channels 33 on the same keel 32 are spaced by 200-300 mm, the diameter of each channel 33 is 30mm, and the distance between two adjacent keels 32 is 200-300 mm.

As shown in fig. 8, in order to reduce cracking and deformation of the wall 3 in the using process, the keel 32 is attached to the upright 1, the upright 1 is also provided with a connecting member 4, the stabilizing plate 43 of the connecting member 4 is attached to the upright 1, and the connecting plate 42 is attached to the wing plate 322.

The specific implementation process comprises the following steps:

the upper layer cross beam 2 and the lower layer cross beam 2 are fixedly connected, two ends of a keel 32 are respectively fixed on a connecting piece 4, the keel 32 positioned on one side of an upright post 1 is fixed with the upright post 1 through the connecting piece 4, and then a steel bar 34 is arranged in a channel 33;

after the installation of fossil fragments 32 and the perforation work of reinforcing bar 34 in the completion wallboard, carry out formwork monolithic to the wallboard and pour, template 6 sets up with 20mm of the marginal interval of pterygoid lamina 322, and the work of pouring of concrete can be carried out after the installation work of completion template 6.

It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. A cast-in-place lightweight wallboard with embedded light steel keels comprises a wall body (3), wherein stand columns (1) are arranged on two sides of the wall body (3), and cross beams (2) are arranged at the upper end and the lower end of the wall body (3), and is characterized in that the wall body (3) comprises a concrete pouring part (31) and keels (32) arranged in parallel to the stand columns (1), a plurality of keels (32) are arranged between the two stand columns (1) at intervals, connecting pieces (4) are arranged on the cross beams (2), and the end parts of the keels (32) are fixedly arranged on the connecting pieces (4); the cross-section of fossil fragments (32) is U type structure setting including web (321) and pterygoid lamina (322), the side fascia with web (321) laminating, passageway (33) have been seted up on pterygoid lamina (322), run through in passageway (33) to be provided with and be on a parallel with reinforcing bar (34) of crossbeam (2), reinforcing bar (34) run through two all fossil fragments (32) between stand (1), passageway (33) are followed the length direction interval distribution of stand (1).

2. The cast-in-place lightweight wallboard with embedded light steel keels according to claim 1, characterized in that the connecting piece (4) comprises a fixing plate (41) attached to the beam (2) and a connecting plate (42) attached to the web (321), the fixing plate (41) and the connecting plate (42) are arranged vertically, and expansion bolts (8) are arranged on the fixing plate (41) and the connecting plate (42).

3. The cast-in-place lightweight wallboard with embedded light steel keels as claimed in claim 2, wherein the fixing plate (41) is extended with a stabilizing plate (43), the stabilizing plate (43) is attached to the cross beam (2), and the fixing plate (41) and the connecting plate (42) are provided with self-tapping screws (7).

4. The cast-in-place lightweight wall panel with embedded light steel keels as claimed in claim 3, wherein the connectors (4) are symmetrically arranged on two sides of the end face of the keel (32), and reinforcing plates (44) for abutting against the wing plates (322) extend symmetrically on two sides of the connecting plate (42).

5. An in-situ cast lightweight wall panel with embedded light steel keels according to claim 1, characterized in that one side of the edge of the wing (322) of the keel (32) is 20mm outside the edge of the beam (2)

6. An in-situ cast lightweight wall panel with embedded light steel keels according to claim 5, characterized in that the side of the wing (322) of the keel (32) has a concrete fire protection layer (5) with a thickness of at least 20 mm.

7. The cast-in-place lightweight wallboard with embedded light steel keels as claimed in claim 1, wherein the channels (33) on the same keel (32) are spaced by 200-300 mm, and the diameter of the channels (33) is 30 mm.

8. The cast-in-place lightweight wallboard with embedded light steel keels as claimed in claim 7, wherein the distance between two adjacent keels (32) is 200-300 mm.

9. The cast-in-place lightweight wallboard with embedded light steel keels as claimed in claim 1, wherein the keels (32) are attached to the columns (1).

10. The cast-in-place lightweight wall panel with embedded light steel keels according to claim 9, characterized in that the columns (1) are provided with connecting pieces (4), the stabilizing plates (43) of the connecting pieces (4) are attached to the columns (1), and the connecting plates (42) are attached to the wing plates (322).