CN211369207U

CN211369207U - Sandwich floor mounting structure

Info

Publication number: CN211369207U
Application number: CN201921719202.6U
Authority: CN
Inventors: 李盛勇; 徐麟; 彭林海; 隋晓; 李俊声
Original assignee: Guangzhou Rongbaisheng Architectural Design Consulting Co ltd
Current assignee: Guangzhou Rongbaisheng Architectural Design Consulting Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-08-28
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a sandwich floor mounting structure, include a plurality of girder steels that set up at the interval in the construction area, concrete floor has been laid between the adjacent girder steel, each concrete floor's middle part both sides and concrete floor's both ends all are equipped with angle connector, each angle connector bears in concrete floor's both ends, this floor passes through the modularization processing, let sandwich floor prefabricate in the mill completely, this sandwich floor weight is lighter simultaneously, but direct transport installs in the scene, concrete construction complexity and wet operation have been avoided, secondly except that position need put the sandwich panel upside down in lavatory etc., the sandwich floor of this scheme is on general environment and just puts the processing, can effectively improve efficiency of construction and construction quality, this utility model is used for the construction field.

Description

Sandwich floor mounting structure

Technical Field

The utility model relates to a construction field especially relates to a sandwich floor mounting structure.

Background

Due to the needs of buildings, more and more buildings have more and more demands on interlayers, and especially the demands on the interlayers of the existing apartment equipment rooms are very high, so that how to quickly and reasonably construct the interlayers and ensure the economical and reasonable safety of the interlayers is an important technology.

The existing sandwich floor slab is slow in construction progress and difficult in guarantee of construction quality due to the fact that steel bar processing, binding, template manufacturing and supporting, concrete pouring and curing forming are completed on a construction site, large material stacking and material processing sites and large labor input are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sandwich floor that is assembled at construction back scene in advance.

The utility model adopts the technical proposal that:

the utility model provides a sandwich floor mounting structure, includes a plurality of girder steels that the interval set up in the construction area, has laid concrete floor between the adjacent girder steel, and each concrete floor's middle part both sides and concrete floor's both ends all are equipped with angle steel, and each angle steel bears in the both ends of concrete floor bottom.

Further conduct the utility model discloses technical scheme's improvement, the concrete floor includes that the concrete waters the layer entirely, the distribution reinforcing bar, lower chord tension bar and shear reinforcement, each distribution reinforcing bar is parallel interval setting each other and buries underground in the concrete waters among the layer entirely, each lower chord tension bar is parallel interval setting each other in the concrete waters the layer below entirely, each lower chord tension bar afterbody both ends are bent into the concrete of top and are watered the layer entirely, each shear reinforcement buckles in succession and forms a plurality of upper junction portion and a plurality of lower junction portion that the interval set up respectively, each upper junction portion is rolled over into the concrete and is watered the layer entirely, the lower junction portion and the welding of a lower chord tension bar of same shear reinforcement are in the same place.

Further conduct the utility model discloses technical scheme's improvement is equipped with a plurality of pre-buried steel sheets in the construction area, and angle connector sets up on pre-buried steel sheet, and pre-buried steel sheet links together through the mode that the dihedral weld is connected and angle connector's upper end.

Further conduct the utility model discloses technical scheme's improvement, angle connection below is equipped with the stiffening plate, and angle connection's lower extreme links together through the double-sided angle welding seam with stiffening plate and pre-buried steel sheet.

Further conduct the utility model discloses technical scheme's improvement, each girder steel is fixed on pre-buried steel sheet through the mode of two-sided fillet weld.

Further conduct the utility model discloses technical scheme's improvement is equipped with the mounting hole on the concrete floor both ends respectively, and the mounting hole is used for installing shear bolt nail, and shear bolt nail installs the both ends at the construction region.

Further conduct the utility model discloses technical scheme's improvement is equipped with the waterproof material caulking between angle steel and the concrete floor.

Further conduct the utility model discloses technical scheme's improvement, concrete floor both sides are equipped with a 30 degrees openings respectively, and the piece after the concrete floor concatenation is got up is located to use the mortar caulking.

The utility model has the advantages that: the sandwich floor slab is subjected to modular processing, so that the sandwich floor slab is completely prefabricated in a factory; meanwhile, the sandwich floor slab is light in weight and can be directly carried and installed, and the complexity and wet operation of concrete construction are avoided; the sandwich floor slab can be combined with decoration when being processed in a factory, so that secondary decoration can be avoided; the sandwich floor slab is just laid in the construction process, so that the construction efficiency and the construction quality can be effectively improved.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a cross-sectional structure installed at two ends of a construction area according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of the embodiment of the present invention installed on a steel beam;

fig. 3 is a schematic diagram of a concrete floor structure according to an embodiment of the present invention;

fig. 4 is a plan view of a concrete floor slab according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1-4, the utility model relates to a sandwich floor mounting structure, include a plurality of girder steels 1 that the interval set up in the construction region, laid concrete floor 3 between the adjacent girder steel 1, the middle part both sides of each concrete floor 3 and concrete floor 3's both ends all are equipped with angle steel 2, and each angle steel 2 bears in the both ends of concrete floor 3 bottom.

The sandwich floor slab is subjected to modular processing, so that the sandwich floor slab is completely prefabricated in a factory; meanwhile, the sandwich floor slab is light in weight and can be directly carried and installed, and the complexity and wet operation of concrete construction are avoided; the sandwich floor slab can be combined with decoration when being processed in a factory, so that secondary decoration can be avoided, the sandwich floor slab is just placed in the construction process, and the construction efficiency and the construction quality can be effectively improved.

As the preferred embodiment of the present invention, the concrete floor 3 includes a concrete integrally cast layer 31, distributed reinforcements 32, bottom chord tension reinforcements 33 and shear reinforcements 34, each distributed reinforcement 32 is disposed at a parallel interval to each other and buried in the concrete integrally cast layer 31, each bottom chord tension reinforcement 33 is disposed at a parallel interval to each other below the concrete integrally cast layer 31, both ends of the tail of each bottom chord tension reinforcement 33 are bent into the concrete integrally cast layer 31 above, each shear reinforcement 34 is disposed between each distributed reinforcement 32 and each bottom chord tension reinforcement 33, and each shear reinforcement 34 is welded to each bottom chord tension reinforcement 33.

As the utility model discloses preferred embodiment is equipped with a plurality of pre-buried steel sheets 5 in the construction area, and angle connection 2 sets up on pre-buried steel sheet 5, and pre-buried steel sheet 5 links together through the mode that the dihedral angle welding connects and angle connection 2's upper end.

As the utility model discloses preferred embodiment, 2 below of angle steel are equipped with stiffening plate 4, and angle steel 2's lower extreme links together through the double-faced angle welding with stiffening plate 4 and pre-buried steel sheet 5.

As the preferred embodiment of the present invention, each steel beam 1 is fixed on the pre-buried steel plate 5 by the double-sided fillet weld.

As the utility model discloses preferred embodiment is equipped with the mounting hole on 3 both ends of concrete floor respectively, and the mounting hole is used for the installation toggle 6 that shears, and toggle 6 that shears is installed at the regional both ends node of construction.

As the utility model discloses preferred embodiment is equipped with waterproof material caulking 7 between angle connector 2 and concrete floor 3.

As the utility model discloses preferred embodiment, 3 both sides of concrete floor are equipped with a 30 degree openings respectively, and the piece after 3 concatenations of concrete floor are the mortar caulking for the department.

The installation method of the pre-constructed on-site assembled sandwich floor slab comprises the steps that after a plurality of steel beams 1 are pre-erected in a construction area, concrete floor slabs 3 are laid between the adjacent steel beams 1, connecting angle steels 2 are arranged on two sides of the middle of each concrete floor slab 3 and two ends of each concrete floor slab 3, and each connecting angle steel 2 is borne at two ends of the bottom of each concrete floor slab 3.

The prefabricated on-site assembled sandwich floor slab comprises a concrete integral casting layer 31, distributed reinforcing steel bars 32, lower chord tension reinforcing steel bars 33 and shear reinforcing steel bars 34, wherein the distributed reinforcing steel bars 32 are parallelly arranged at intervals and embedded in the concrete integral casting layer 31, the lower chord tension reinforcing steel bars 33 are parallelly arranged below the concrete integral casting layer 31 at intervals, two ends of the tail of each lower chord tension reinforcing steel bar 33 are bent into the concrete integral casting layer 31 above, the shear reinforcing steel bars 34 are continuously bent to form a plurality of upper connecting parts and a plurality of lower connecting parts which are respectively arranged at intervals, each upper connecting part is folded into the concrete integral casting layer 31, and the lower connecting parts of the same shear reinforcing steel bars 34 and the lower chord tension reinforcing steel bars 33 are welded together.

The node that need install girder steel 1 and both ends need install concrete floor 3 in the construction area can be equipped with a plurality of pre-buried steel sheets 5, and each girder steel 1 is fixed on pre-buried steel sheet 5 through the mode of two-sided fillet weld.

Furthermore, the connecting angle steel 2 is also arranged on the embedded steel plate 5, the embedded steel plate 5 is connected with the upper end of the connecting angle steel 2 in a double-sided fillet weld connection mode, a stiffening plate 4 is arranged below the connecting angle steel 2, the lower end of the connecting angle steel 2 is connected with the stiffening plate 4 and the embedded steel plate 5 in a double-sided fillet weld mode, and the effect of improving the quality of the floor slab can be achieved through the stiffening plate.

The concrete floor 3 is provided with mounting holes at two ends respectively, the mounting holes are used for mounting shear-resistant studs 6, the shear-resistant studs 6 are fixed on two end nodes of a construction area to prevent the concrete floor 3 from sliding, meanwhile, waterproof material caulking joints 7 are arranged between the connecting angle steel 2 and the concrete floor 3 to guarantee the construction quality of the concrete floor 3, and finally, the concrete floor 3 is caulked with mortar at the spliced joints.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A sandwich floor mounting structure which characterized in that: including a plurality of girder steels (1) that the interval set up in the construction area, it is adjacent concrete floor (3) have been laid between girder steel (1), each the middle part both sides of concrete floor (3) and the both ends of concrete floor (3) all are equipped with angle steel (2), each angle steel (2) bear in the both ends of concrete floor bottom.

2. The sandwich floor mounting structure of claim 1, wherein: the concrete floor (3) comprises a concrete integral casting layer (31), distribution steel bars (32), lower chord tension steel bars (33) and shear steel bars (34), wherein the distribution steel bars (32) are arranged in parallel at intervals and embedded in the concrete integral casting layer (31), the lower chord tension steel bars (33) are arranged below the concrete integral casting layer (31) at intervals in parallel, two ends of the tail of each lower chord tension steel bar (33) are bent into the concrete integral casting layer (31) above, the shear steel bars (34) are continuously bent to form a plurality of upper connecting parts and a plurality of lower connecting parts which are arranged at intervals respectively, each upper connecting part is folded into the concrete integral casting layer (31), and the lower connecting parts of the same shear steel bars (34) and the lower chord tension steel bars (33) are welded together.

3. The sandwich floor mounting structure of claim 1, wherein: be equipped with a plurality of pre-buried steel sheets (5) in the construction area, angle connection (2) set up on pre-buried steel sheet (5), pre-buried steel sheet (5) link together through the mode that the dihedral weld is connected and angle connection (2) upper end.

4. A sandwich floor mounting structure according to claim 3, wherein: and a stiffening plate (4) is arranged below the connecting angle steel (2), and the lower end of the connecting angle steel (2) is connected with the stiffening plate (4) and the embedded steel plate (5) through double-sided angle welding lines.

5. A sandwich floor mounting structure according to claim 3, wherein: and each steel beam (1) is fixed on the embedded steel plate (5) in a double-sided fillet welding way.

6. The sandwich floor mounting structure of claim 2, wherein: the concrete floor (3) is provided with mounting holes at two ends respectively, the mounting holes are used for mounting shear-resistant studs (6), and the shear-resistant studs (6) are mounted at two ends of a construction area.

7. The sandwich floor mounting structure of claim 2, wherein: and a waterproof material caulking joint (7) is arranged between the connecting angle steel (2) and the concrete floor (3).

8. The sandwich floor mounting structure of claim 2, wherein: and two sides of the concrete floor (3) are respectively provided with a 30-degree opening, and joints of the spliced concrete floor (3) are caulked by mortar.