CN218933559U

CN218933559U - Two-way cross truss superimposed sheet

Info

Publication number: CN218933559U
Application number: CN202223569576.9U
Authority: CN
Inventors: 姜亮; 蔺冬烨; 李雨峰; 李德森; 李康; 杨志伟; 王子瑞; 焦玉翠
Original assignee: Jinan Air Defence Building Design Institute Co ltd
Current assignee: Jinan Air Defence Building Design Institute Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-28
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a two-way cross truss superimposed sheet, including the superimposed sheet, be equipped with the atress that arranges perpendicularly in the superimposed sheet and indulge muscle and horizontal muscle, still be equipped with a plurality of evacuation space truss muscle on the superimposed sheet, be equipped with the plane truss muscle that arranges perpendicularly on the space truss muscle, when the superimposed sheet is being hoisted, can let whole atress more even can not take place to turn round, ensure the quality of superimposed sheet self, the setting of space truss muscle and plane truss muscle can also effectively reduce the thickness of superimposed sheet under the prerequisite that promotes whole superimposed sheet intensity simultaneously, be convenient for when carrying out assembly construction in follow-up, fill auxiliary device utensil such as spool, promoted the efficiency of construction of whole assembled building.

Description

Two-way cross truss superimposed sheet

Technical Field

The utility model relates to the technical field of superimposed sheets, in particular to a two-way cross truss superimposed sheet.

Background

The superimposed sheet is an assembled integral floor slab formed by overlapping precast slabs and cast-in-situ reinforced concrete layers, the integrated slab is good in integrity, is suitable for assembled building construction, and is used for ensuring the strength of the superimposed sheet, trusses which are arranged side by side are embedded in the superimposed sheet in a pre-buried mode, and are arranged side by side in the same direction.

Disclosure of Invention

The utility model aims to provide a bidirectional cross truss laminated slab, wherein space truss ribs and plane truss ribs which are vertically arranged are arranged on the laminated slab, so that the space integrity of the laminated slab is enhanced, transverse cracks of the bottom of the laminated slab caused by no effective support among longitudinal trusses in transverse directions during transportation, construction and hoisting of the laminated slab are avoided, and meanwhile, the bending resistance of transverse steel bars at the bottom of the laminated slab in transverse stress can be increased, the bidirectional overall stress of the laminated slab is more uniform, and a series of problems in the prior art are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a two-way cross truss laminated slab, which comprises a laminated slab, wherein a plurality of stressed longitudinal ribs are arranged in the laminated slab in the length direction, two ends of the stressed longitudinal ribs penetrate out of the laminated slab, a plurality of transverse ribs are arranged in the laminated slab at the bottom of the stressed longitudinal ribs, the transverse ribs are perpendicular to the stressed longitudinal ribs, a plurality of space truss ribs arranged in the length direction are further arranged on the laminated slab, each space truss rib comprises an upper chord member, two sides of the upper chord member are respectively provided with a web rib which is continuously bent, the upper bent part of each web rib is fixed on the upper chord member, the lower bent part of each web rib is positioned in the laminated slab, a plurality of plane truss ribs are further arranged on the upper chord member of each space truss rib, the plane truss ribs are perpendicular to the space truss ribs, each plane truss rib comprises two cross bars which are arranged side by side, and a plurality of cross ribs which are arranged in a staggered manner are arranged between the two cross bars. And reinforcing short rods are arranged between the bending parts of the lower parts corresponding to the web ribs on the two sides of the space truss rib, are positioned in the superimposed sheet on the upper side of the stressed longitudinal rib, and are arranged in parallel with the transverse rib. The outer sides of bending parts of lower parts of web ribs on two sides of the space truss rib are respectively connected with a lower chord member, the lower chord members are positioned in the laminated plates on the upper sides of the transverse ribs, and the lower chord members are arranged in parallel with the stressed longitudinal ribs. Inclined planes are arranged on the periphery of the upper side face of the laminated plate. The reinforcement device is arranged on the planar truss rib between the adjacent space truss ribs, the reinforcement device comprises two door-shaped frames which are arranged side by side, a connecting rod which is transversely arranged is arranged between two ends of each door-shaped frame, the bottom of each door-shaped frame is provided with a presser foot, the presser foot is positioned in the laminated plate on the upper side of the transverse rib, the stressed longitudinal rib is positioned between the two presser feet, and the planar truss rib is positioned in the two door-shaped frames.

The utility model has the positive effects that: the utility model relates to a bidirectional cross truss laminated slab, which comprises a laminated slab, wherein the inside of the laminated slab is provided with vertically arranged stressed longitudinal ribs and transverse ribs, the laminated slab is also provided with a plurality of emptying space truss ribs, the space truss ribs are provided with vertically arranged plane truss ribs, when the laminated slab is hoisted, the whole stress is more uniform, deflection can not occur, the quality of the laminated slab is ensured, meanwhile, the thickness of the laminated slab can be effectively reduced on the premise that the strength of the whole laminated slab is improved by the arrangement of the space truss ribs and the plane truss ribs, and auxiliary devices such as a line pipe and the like are conveniently filled in the subsequent assembly construction, so that the construction efficiency of the whole assembly type building is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic view of a structure in which a reinforcement means is provided between the planar truss rib and the superimposed sheet;

fig. 5 is a schematic view of a three-dimensional framework structure of the reinforcement device on the transverse ribs and the planar truss ribs.

Detailed Description

The utility model relates to a bidirectional cross truss laminated slab, which comprises a laminated slab 1, wherein a plurality of stress longitudinal ribs 2 are arranged in the laminated slab 1 along the length direction, two ends of the stress longitudinal ribs 2 penetrate out of the laminated slab 1, a plurality of transverse ribs 3 are arranged in the laminated slab 1 at the bottom of the stress longitudinal ribs 2, the transverse ribs 3 are arranged perpendicular to the stress longitudinal ribs 2, and the stress longitudinal ribs 2 and the transverse ribs 3 can effectively improve the quality of the laminated slab 1. Wherein the stressed longitudinal bars 2 can be ordinary ribbed bars or prestressed bars.

The laminated plate 1 is further provided with a plurality of space truss ribs arranged along the length direction, each space truss rib comprises an upper chord member 4, the upper chord members 4 are arranged on the upper side of the laminated plate 1 and are parallel to the stressed longitudinal ribs 2, the two sides of each upper chord member 4 are respectively provided with a web rib 5 which is continuously bent, the upper bending part of each web rib 5 is fixed on the upper chord member 4, and the lower bending part of each web rib 5 is positioned in the laminated plate 1, so that the installation of the space truss ribs on the laminated plate 1 is realized.

For guaranteeing the quality of whole truss superimposed sheet, avoid taking place circumstances such as skew when promoting handling, still install a plurality of plane truss muscle on the upper chord member 4 of space truss muscle, plane truss muscle and space truss muscle mutually perpendicular arrange, realize the two-way cross arrangement of truss, each plane truss muscle all is including two horizontal poles 6 that arrange side by side, is equipped with the cross muscle 7 of a plurality of staggered arrangement between two horizontal poles 6, horizontal pole 6 can welded fastening upper chord member 4 upside. The space truss ribs and the plane truss ribs which are arranged in a crossed manner can effectively reduce transverse cracks at the bottom of the slab in the lifting process, meanwhile, the rigidity and the strength of the whole slab body are improved through the space truss ribs and the plane truss ribs, the thickness of the laminated slab 1 can be enabled to be smaller, auxiliary device appliances such as a wire pipe can be conveniently filled in the later assembly process, and the whole construction efficiency can be improved on the premise that the whole strength is guaranteed.

The space truss ribs and the plane truss ribs which are mutually intersected can be replaced by two groups of mutually intersected space truss ribs.

Further, for the joint strength between reinforcing space truss muscle and superimposed sheet 1, be equipped with between the corresponding lower part kink of space truss muscle both sides web muscle 5 and strengthen the short lever 8, strengthen the short lever 8 and be located the superimposed sheet 1 of atress longitudinal reinforcement 2 upside, strengthen the short lever 8 and parallel arrangement with horizontal muscle 3.

The outer sides of the bending parts of the lower parts of the web ribs 5 on the two sides of the space truss rib are respectively connected with a lower chord 9, the lower chords 9 are positioned in the laminated plate 1 on the upper side of the transverse rib 3, and the lower chords 9 are arranged in parallel with the stressed longitudinal ribs 2.

Further, in order to facilitate assembly and transportation of the plate body, inclined planes 13 are arranged around the upper side surface of the laminated plate 1.

Further, in order to enhance the connection strength between the planar truss ribs and the laminated slab 1, the planar truss ribs between the adjacent space truss ribs are provided with reinforcement devices, as shown in fig. 4 and 5, the reinforcement devices comprise two door-shaped frames 10 which are arranged side by side, a connecting rod 11 which is arranged transversely is arranged between two ends of each door-shaped frame 10, the bottom of each door-shaped frame 10 is provided with a presser foot 12, the presser feet 12 are positioned in the laminated slab 1 on the upper side of each transverse rib 3, the stressed longitudinal ribs 2 are positioned between the two presser feet 12, and the planar truss ribs are positioned in the two door-shaped frames 10, so that the limit and effective reinforcement of the planar truss ribs are realized through the reinforcement devices.

The technical scheme of the utility model is not limited to the scope of the embodiments of the utility model. The technical content that is not described in detail in the utility model is known in the prior art.

Claims

1. The utility model provides a two-way cross truss superimposed sheet which characterized in that: including superimposed sheet (1), be equipped with a plurality of atress on the length direction in superimposed sheet (1) and indulge muscle (2), atress is indulged the both ends of muscle (2) and is all worn out superimposed sheet (1), still is equipped with a plurality of horizontal muscle (3) in superimposed sheet (1) of muscle (2) bottom is indulged in atress, and horizontal muscle (3) are indulged muscle (2) looks perpendicular arrangement with the atress, still be equipped with a plurality of space truss muscle that arrange along length direction on superimposed sheet (1), each space truss muscle all is including last chord member (4), the both sides of last chord member (4) all are equipped with web muscle (5) of buckling in succession, and the upper portion department of buckling of web muscle (5) is fixed on last chord member (4), and the lower part department of buckling of web muscle (5) is located superimposed sheet (1), still installs a plurality of plane truss muscle on last chord member (4) of space truss muscle, and plane truss muscle is arranged perpendicularly mutually, and each plane truss muscle all is including two horizontal poles (6) that arrange side by side, is equipped with a plurality of cross bars (7) of staggered arrangement between two horizontal poles (6).

2. A two-way cross truss composite slab according to claim 1, wherein: reinforcing short rods (8) are arranged between the corresponding lower bending parts of the web ribs (5) on two sides of the space truss rib, the reinforcing short rods (8) are located in the laminated plates (1) on the upper sides of the stressed longitudinal ribs (2), and the reinforcing short rods (8) are arranged in parallel with the transverse ribs (3).

3. A two-way cross truss composite slab according to claim 1, wherein: the outer sides of bending parts of web ribs (5) on two sides of the space truss rib are connected with lower chords (9), the lower chords (9) are located in the laminated plates (1) on the upper sides of the transverse ribs (3), and the lower chords (9) are arranged in parallel with the stressed longitudinal ribs (2).

4. A two-way cross truss composite slab according to claim 1, wherein: inclined planes (13) are arranged on the periphery of the upper side face of the laminated plate (1).

5. A two-way cross truss composite slab according to claim 1, wherein: the reinforcement device is installed on the plane truss rib between the adjacent space truss ribs, the reinforcement device comprises two door-shaped frames (10) which are arranged side by side, a connecting rod (11) which is transversely arranged is installed between two ends of each door-shaped frame (10), a presser foot (12) is arranged at the bottom of each door-shaped frame (10), the presser foot (12) is located in a laminated plate (1) on the upper side of each transverse rib (3), the stressed longitudinal rib (2) is located between the two presser feet (12), and the plane truss rib is located in each door-shaped frame (10).