CN110094006A - A kind of prefabricated laminated board and its assembling method - Google Patents

Abstract

The invention provides an assembled laminated panel and an assembly method, which belong to the technical field of building structures. The assembled laminated panel includes honeycomb beams, two mutually parallel honeycomb beams are welded with flange steel plates on the upper side, and the honeycomb beams are prefabricated with prefabricated panels. Connected together by plugging, the flange steel plates protrude out of the stirrup spacing on the composite beam, and are flush with the stirrups. ribs, and the flange steel plate is a cast-in-place layer. The prefabricated laminated panel welds and installs the flange steel plate on the honeycomb beam, and the flange steel plate is connected to the laminated beam by overlapping, and the honeycomb beam is connected to the prefabricated plate matching its shape and position by plugging and fixing, so that the beard tendon is canceled , so that there is no need to collide with the steel bars during the hoisting process, which is more convenient for the installation of the laminated plate, and has good mechanical performance.

Description

A kind of prefabricated laminated board and its assembling method

technical field

The invention belongs to the technical field of building structures, in particular to an assembled composite panel and an assembly method thereof.

Background technique

As the country pays more and more attention to prefabricated buildings, prefabricated buildings have been continuously promoted and applied, and the proportion of prefabricated buildings in our country's buildings is increasing. The extensive use of prefabricated components in prefabricated buildings has improved the waste of traditional cast-in-place structures, especially the extensive use of laminated panels, which not only saves the use of formwork, but also improves the rigidity and integrity of the structure. However, there are currently big problems in the hoisting and installation of laminated panels. For the hoisting of general laminated slabs, it is necessary to consider the problem of collision with beams and steel bars on the wall during the installation of laminated slabs, and the problem of having to move the steel bars to complete the hoisting installation. This method is time-consuming and labor-intensive.

Contents of the invention

In order to solve the above technical problems, the present invention provides a prefabricated laminated panel and its assembly method. The prefabricated laminated panel is welded on the honeycomb beam to install the flange steel plate, and the flange steel plate is connected to the laminated beam by overlapping. The honeycomb beam is plugged and fixedly connected with the prefabricated slab matching its shape and position, so that there is no need to collide with the steel bar during the hoisting process, which is more convenient for the installation of the laminated slab and has good mechanical performance.

The technical scheme adopted in the present invention is:

An assembled composite panel, the assembled composite panel includes a prefabricated layer and a cast-in-place layer, the prefabricated layer is provided with a prefabricated panel, the assembled composite panel also includes a honeycomb beam, and the honeycomb beam is a semi-cellular beam shape, on which trapezoidal protrusions and trapezoidal grooves are alternately arranged, and the upper side of two parallel honeycomb beams is welded with flange steel plates, and the trapezoidal protrusions of the honeycomb beams are welded with L-shaped The prefabricated plate is provided with a steel bar, the steel bar is facing the center of the trapezoidal groove of the honeycomb beam, the honeycomb beam and the prefabricated plate are prefabricated together and connected by plugging, and the flange steel plate protrudes and rests on the composite beam The stirrups on the upper part are in the middle of the distance and are flush with the stirrups. The two prefabricated panels are connected by joints, and the joints are provided with longitudinal ribs connected to the bottom of the panels. The flange steel plate is a cast-in-place layer.

In the aforementioned fabricated laminated plate, the protruding length of the flange steel plate is one-third of the width of the laminated beam.

Said a prefabricated laminated plate, the height of the honeycomb beam is 65mm, the width is 80mm, and each trapezoidal plate is evenly arranged at an interval of 140mm.

As for the fabricated laminated panel, the honeycomb beam is provided with a flange steel plate with a thickness of 6mm.

Said a prefabricated composite panel, the combined structure height of the honeycomb beam and the prefabricated panel is 80mm, and the height of the prefabricated panel is 30mm.

As for the prefabricated laminated slab, a bottom protective layer is provided at the bottom of the prefabricated slab, the thickness of which is 15 mm; the honeycomb beams are inserted into the prefabricated slab, and the honeycomb beams are in contact with the bottom protective layer.

In the above-mentioned prefabricated laminated slab, the stirrups at both ends of the composite beam are dense, the distance between the denser areas of the stirrups is 100 mm, and the distance between the non-densified areas is 200 mm.

In the above-mentioned fabricated laminated slab, the spacing between the steel bars is 200mm.

A method for assembling a prefabricated laminated panel, characterized in that it comprises the following steps:

a. Prepare a semi-cellular beam-like honeycomb beam;

b. Weld the L-shaped rib to the vertical line of the trapezoidal protrusion on the outer side of the honeycomb beam, and install the flange steel plate on the two parallel honeycomb beams; the flange steel plates reserve lap edges;

c. In the process of making the prefabricated slab, prefabricate the rectangular groove corresponding to the position of the honeycomb beam on the prefabricated bottom plate, and insert the honeycomb beam and L-shaped ribs into it, and set the prefabricated slab parallel to the center of the trapezoidal groove of the honeycomb beam on the plane Steel bars, two honeycomb beams are set on each prefabricated slab;

d. Lap the reserved lap edge of the flange steel plate to the stirrup spacing on the laminated beam;

e. The two prefabricated slabs are connected by joints, and the upper layer of concrete is poured in-situ to form a cast-in-place layer.

The beneficial effects of the present invention are:

The invention provides a new type of assembled laminated panel and an assembly method. By installing the honeycomb beam and the prefabricated panel together, a layer of flange steel plate is laid on the honeycomb beam and protruded for a certain distance as the lap end, and then the lap end is lapped. Connected to the beam, and finally the upper layer of concrete is poured in place to complete the installation of a new laminated slab. This method is novel in design, convenient for the installation of the laminated slab, cancels the beard bars, and at the same time avoids the problem that the laminated slab collides with the steel bars on beams, walls and other components during the installation process, and the problem of having to change the position of the steel bars to complete the installation.

Description of drawings

Fig. 1 is a front view of a novel assembled laminated panel and its assembly method;

Fig. 2 is a schematic diagram of a honeycomb beam structure;

Fig. 3 is a schematic diagram of seam spliced laminated slabs and reinforcing bars;

Fig. 4 is a structural schematic diagram of a novel assembled laminated board and an assembly method;

Figure 5 is a schematic diagram of the connection between the honeycomb beam and the prefabricated panel.

Components in the picture: 1 is composite beam, 2 is prefabricated slab, 3 is honeycomb beam, 4 is cast-in-place layer, 5 is steel bar, 6 is prefabricated layer, 7 is flange steel plate, 8 is L-shaped bar, 9 is plate Bottom connects longitudinal reinforcement, and 10 is stirrup.

Detailed ways

In order to further illustrate the present invention, the present invention is described in detail below in conjunction with accompanying drawing and embodiment:

A new type of composite panel and its assembly method, comprising a prefabricated layer 6 and a cast-in-place layer 4, the prefabricated layer 6 is provided with a prefabricated panel 2 and a prefabricated panel 11, and both the prefabricated panel 2 and the prefabricated panel 11 are provided with a honeycomb beam 3. The feature is that the prefabricated slab 2 is provided with steel bars 5 , and the honeycomb beam 3 and the prefabricated slab 2 are combined through the L-shaped rib 8 welded on the honeycomb beam 3 , and the honeycomb beam 3 is inserted into the prefabricated slab 2 . A flange steel plate 7 is arranged on the honeycomb beam 3 , which protrudes a certain length to fit in the distance between the stirrups 10 on the laminated beam 1 and is flush with the stirrups 10 . The two prefabricated panels 2 are connected by joints, and longitudinal ribs 9 connecting the bottom of the panels are arranged at the joints.

The honeycomb beam 3 has a height of 65mm and a width of 80mm, and each trapezoidal plate is evenly arranged at an interval of 140mm.

The honeycomb beam 3 is provided with a flange steel plate 7 with a thickness of 6 mm.

The combined structure height of the honeycomb beam 3 and the prefabricated slab 2 is 80mm, and the height of the prefabricated slab 2 is 30mm.

The bottom of the prefabricated slab 2 is provided with a bottom protective layer with a thickness of 15mm.

The honeycomb beam 3 is inserted into the prefabricated slab 2 until it touches the protective layer at the bottom of the slab.

The stirrups 10 at both ends of the beam are intensified, the distance between the intensified areas of the stirrups 10 is 100 mm, and the distance between the non-intensified areas is 200 mm.

Described steel bar 5 pitches 200mm.

The joints of the two prefabricated panels 2 are connected to the longitudinal ribs 9 at the bottom of the panels.

A method for assembling a novel prefabricated laminated panel comprises the following steps:

a. Prepare a semi-cellular beam-shaped honeycomb beam 3;

b. Weld the L-shaped rib 8 to the vertical line of the trapezoidal protrusion on the outer surface of the honeycomb beam 3, and install the flange steel plate 7 on the two parallel honeycomb beams 3; the flange steel plate 7 reserves an overlapping edge;

c. In the process of making the prefabricated slab 2, prefabricate a rectangular groove corresponding to the position of the honeycomb beam 3 on the prefabricated bottom plate, and insert the honeycomb beam 3 and the L-shaped rib 8 into it, and the prefabricated slab 2 is parallel to the trapezoidal shape of the honeycomb beam 3 on the plane A steel bar 5 is set at the center of the groove, and two honeycomb beams 3 are set on each prefabricated panel 2;

d. Lap the flange steel plate 7 on the honeycomb beam 3 to the distance between the stirrups 10 on the composite beam 1 to complete the installation with the composite beam 1 .

e. The two prefabricated panels 2 are connected by joints, and the upper layer of concrete is poured in-situ to form the cast-in-situ layer 4 .

f. Complete the installation of the entire laminated slab system.

Example:

As shown in Figures 1-4, a new type of prefabricated laminated panel and its assembly method, a new type of laminated panel and its assembly method, including a prefabricated layer 6 and a cast-in-place layer 4, the prefabricated layer 6 is provided with a prefabricated panel 2 and a prefabricated panel 11. Both the prefabricated slab 2 and the prefabricated slab 11 are provided with honeycomb beams 3 . The honeycomb beam 3 is formed by cutting a part of the H-shaped steel web according to a certain broken line, with a height of 65 mm, a width of 80 mm, and a trapezoidal interval of 140 mm in the plate. The prefabricated slab 2 is 3m long, and two honeycomb beams 3 are placed. Do not place too many to prevent stress concentration. Among them, the stirrups at both ends of the beam are 10 densified, the distance between densified areas is 100mm, and the distance between non-encrypted areas is 200 mm. The distance between the steel bars 5 is 200mm, and the L-shaped bars 8 are welded on the honeycomb beam 3. After the honeycomb beam 3 and the L-shaped bars 8 are welded and installed in the prefabricated panel 2, the welded L-shaped bars 8 ensure that the honeycomb beam 3 is firmly fixed on the prefabricated panel. Inside plate 2. The prefabricated slab 2 is provided with a slab bottom protective layer with a thickness of 15 mm to ensure that the honeycomb beam 3 is inserted into the slab bottom protective layer in the slab. A flange steel plate 7 with a thickness of 6 mm is arranged on the honeycomb beam 3 for overlapping and fixing with the composite beam 1 . The flange steel plate 7 stretches out a certain length and rides in the spacing of the stirrups 10 on the laminated beam 1, and the beam plate is connected and fixed. The entire laminated slab system has been fixed and cast in place. The two prefabricated panels 2 are connected by joints, and longitudinal ribs 9 are provided at the joints.

As shown in Figure 5, the prefabricated floor is first produced, and a rectangular groove with a width of 120mm and a height of 8mm is reserved. The honeycomb beam 3 and the L-shaped rib 8 are combined in the groove, and then the concrete floor is poured to complete the production of the prefabricated slab.

A novel assembled laminated board and an assembly method include the following steps:

(1) After cutting the H-shaped steel web according to a certain broken line, take a part of it as a semi-cellular beam-shaped honeycomb beam 3 for hoisting;

(2) Weld the L-shaped rib 8 to the vertical line of the trapezoidal protrusion on the outer surface of the honeycomb beam 3, and install the flange steel plate 7 on the two parallel honeycomb beams 3; the flange steel plate 7 reserves an overlapping edge;

(3) In the process of making the prefabricated slab 2, prefabricate a rectangular groove corresponding to the position of the honeycomb beam 3 on the prefabricated bottom plate, and insert the honeycomb beam 3 and the L-shaped rib 8 into it, and the prefabricated slab 2 is parallel to the honeycomb beam 3 on the plane A steel bar 5 is set at the center of the trapezoidal groove, and two honeycomb beams 3 are set on each prefabricated panel 2;

(4) The flange steel plate 7 on the honeycomb beam 3 is overlapped with the stirrup 10 on the composite beam 1 to complete the installation with the composite beam 1;

(5) The two prefabricated slabs 2 are connected by joints, and the upper layer of concrete is poured in-situ to form the cast-in-place layer 4;

(6) Complete the installation of the entire laminated panel system.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (9)

1. a kind of assembled superimposed sheet, the assembled superimposed sheet includes preformed layer (6), in-situ layer (4), the preformed layer (6) It is interior to be equipped with prefabricated board (2) Honeycomb Beam, which is characterized in that the assembled superimposed sheet further includes Honeycomb Beam (3), the Honeycomb Beam (3) it is half honeycomb beam-like, is alternately arranged thereon for trapezoidal protrusion with trapezoidal groove, two Honeycomb Beam (3) ipsilateral welderings being parallel to each other Be connected to edge of a wing steel plate (7) both sides of the edge normal thereto, be welded on the trapezoidal raised perpendicular bisector of the Honeycomb Beam (3) perpendicular to The L shape muscle (8) of edge of a wing steel plate (7), anchors in prefabricated board (2), and the prefabricated board (2) is equipped with reinforcing bar (5), the reinforcing bar (5) Honeycomb Beam (3) trapezoidal groove center, the Honeycomb Beam (3) and the prefabricated grafting phase together of prefabricated board (2) are right against Even, the edge of a wing steel plate (7) is stretched out in stirrup (10) spacing ridden on composite beam (1), and concordant with stirrup (10), and two pre- It is connected between making sheet (2) by piece, seam crossing is equipped with board bottom connection lengthwise rib (9), is in-situ layer on the edge of a wing steel plate (7) (4).

2. a kind of assembled superimposed sheet according to claim 1, which is characterized in that the stretching of the edge of a wing steel plate (7) is long Degree is the one third of composite beam (1) width.

3. a kind of assembled superimposed sheet according to claim 1, it is characterised in that: described Honeycomb Beam (3) the height 65mm, Wide 80mm, each ladder-shaped plate sheet interval 140mm are evenly arranged.

4. a kind of assembled superimposed sheet according to claim 1, it is characterised in that: the Honeycomb Beam (3) is equipped with the wing Balsh plate (7), thickness 6mm.

5. a kind of assembled superimposed sheet according to claim 1, it is characterised in that: the Honeycomb Beam (3) and prefabricated board (2) composite structure height 80mm, prefabricated board (2) height 30mm.

6. a kind of assembled superimposed sheet according to claim 1, it is characterised in that: described prefabricated board (2) bottom is equipped with One laminate bottom protective layer, with a thickness of 15mm；In Honeycomb Beam (3) insertion prefabricated board (2), Honeycomb Beam (3) and board bottom are protected Layer contact.

7. a kind of assembled superimposed sheet according to claim 1, it is characterised in that: composite beam (1) both ends stirrup (10) it encrypts, stirrup (10) encrypted area spacing 100mm, non-encrypted area 200mm.

8. a kind of assembled superimposed sheet according to claim 1, it is characterised in that: reinforcing bar (5) spacing is 200mm.

9. a kind of assembly method of assembled superimposed sheet, characterized by the following steps:

A. the Honeycomb Beam (3) of half honeycomb beam-like is prepared；

B. by trapezoidal raised perpendicular bisector welding L shape muscle (8) of Honeycomb Beam (3) lateral surface, the wing will be installed in two parallel Honeycomb Beams (3) Balsh plate (7)；Edge of a wing steel plate (7) reserves overlap edge；

C. during making prefabricated board (2) on prefabricated panel prefabricated rectangular recess corresponding with Honeycomb Beam (3) position, And Honeycomb Beam (3) and L shape muscle (8) are inserted, Honeycomb Beam (3) trapezoidal groove centre bit is parallel in prefabricated board (2) plane Place's setting reinforcing bar (5) is set, two Honeycomb Beams (3) are set on each prefabricated board (2)；

D. in stirrup (10) spacing on overlap joint edge lap composite beam (1) edge of a wing steel plate (7) reserved；

E. it is connected, cast-in-place upper layer concrete, is formed in-situ layer (4) by piece between two prefabricated boards (2).