CN213390765U

CN213390765U - Prefabricated assembled integrated floor combined structure

Info

Publication number: CN213390765U
Application number: CN202021924231.9U
Authority: CN
Inventors: 田鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-08
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to a whole floor integrated configuration of prefabricated assembled, floor integrated configuration includes I-shaped steel roof beam and precast concrete slab, and pre-buried there is the bolt in the precast concrete slab, and the bolt inserts the bolt hole of I-shaped steel roof beam top flange both sides and fixes with the nut, is provided with the checkpost of fixed hot-water line at the crosspoint of vertical structure reinforcing bar and horizontal structure reinforcing bar, the checkpost includes base and the joint portion of setting on the base, and the bottom of base is provided with cross joint groove, and horizontal joint groove is deeper than vertical joint groove, and joint portion is open ring-type, and the hot-water line setting is in cyclic annular joint portion the inside. The utility model discloses the assembly is simple, and construction speed is fast, and the scene need not concreting, effectively avoids environmental protection problems such as building site raise dust, accords with the requirement of green building.

Description

Prefabricated assembled integrated floor combined structure

Technical Field

The utility model relates to an overall floor integrated configuration, concretely relates to set up overall floor integrated configuration of prefabricated assembled of warm up hot-water line.

Background

The integral floor composite structure (steel-concrete composite beam) is a brand new structure form which is developed by combining the advantages of a steel structure and a concrete structure, and has the advantages of high bearing capacity, high rigidity, good ductility and good earthquake resistance and the like.

At present, the integral floor composite structure in the building market mostly adopts cast-in-place concrete slabs on steel beams or cast-in-place concrete with profiled steel plates as templates, and the steel beams and the concrete are connected through shear connectors to cooperatively bear force. However, the integral floor combined structure has the defects of more wet operations on site, long construction period, large influence of site environment on construction quality and the like.

The assembly type building is a novel building form which is started in recent years, and China publishes an industrial building evaluation standard at the end of 2015, decides to comprehensively popularize the assembly type building in 2016, and makes breakthrough progress; the building department of 11/14 th of 2015 provides a 'outline for the modernized development of building industry' plan that the assembled building accounts for more than 20% of the newly-built building in 2020 and accounts for more than 50% of the newly-built building in 2025; the 'guidance suggestion about the rapid development of the prefabricated building' discharged from the national institute in 2016, 2, 22 days requires that the prefabricated buildings such as a prefabricated concrete structure, a steel structure and a modern wood structure are developed according to local conditions, and the time of about 10 years is strived for, so that the proportion of the prefabricated building occupying the newly-built building area reaches 30 percent. The prefabricated building has a plurality of advantages, a large number of building components are produced and processed in a workshop, a large number of assembly operations are greatly reduced compared with the original cast-in-place operation, the building and decoration integrated design and construction are adopted, the standardization degree is high, the energy is saved, the environment is protected, and the requirements of green buildings are met. The fabricated building has remarkable economic benefit and social benefit, and becomes one of the main development directions of the current building structure system.

The floor heating is a main mode for warming residents in a city in winter at present, the floor heating construction is generally carried out by an owner after the completion and acceptance of a building structure, and a space of 10-15 cm is usually needed for laying pipelines and backfilling the ground, so that the floor height of a room is influenced. Along with the popularization of the fabricated building, the integration of the floor heating hot water pipe in the prefabricated floor slab is also a development direction in the field.

Therefore, in the field of prefabricated construction, a new floor structure is needed to solve the above technical problems.

Disclosure of Invention

For bearing capacity, whole mechanical properties and the multi-functional needs of further improving among the prior art prefabricated assembled floor integrated configuration, the utility model provides a set up the whole floor integrated configuration of prefabricated assembled of warm up hot-water line.

The technical scheme of the utility model is that:

a prefabricated integral floor composite structure comprises an I-shaped steel beam and a precast concrete slab, the precast concrete slab is internally provided with longitudinal structural steel bars, transverse structural steel bars, longitudinal structural steel bars and transverse structural steel bars, the four steel bars form a double-layer steel bar mesh, bolts are embedded in a precast concrete plate, screw rods of the bolts are exposed out of the lower surface of the precast concrete plate, bolt holes are formed in two sides of the upper flange of the I-shaped steel beam, the bolts embedded in the precast concrete plate are inserted into the bolt holes and fixed through nuts, the screw rods are exposed out of the lower surface of the upper flange of the I-shaped steel beam by 6-8cm, wavy bulges are arranged on the upper surface of the upper flange of the I-shaped steel beam, the wavy bulges are arranged along the length direction of the I-shaped steel beam, and correspondingly, the contact surface of the precast concrete plate and the upper flange of the I-shaped steel beam is also provided with the wavy bulges; the cross point of vertically constructing reinforcing bar and horizontal structure reinforcing bar is provided with the checkpost of fixed hot-water line, the checkpost includes the base and sets up the joint portion on the base, and the bottom of base is provided with cross joint groove, and horizontal joint groove is than vertical joint groove depth, and joint portion is open ring-type, and the hot-water line setting is in cyclic annular joint portion the inside.

Further, wear to be equipped with circular steel sheet on the bolt, circular steel sheet is provided with the hole, and circular steel sheet is fixed with bolt and horizontal structure reinforcing bar welded respectively.

Furthermore, the precast concrete plate is provided with chopped steel wires, and the length of the steel wires is 3-5 cm.

The utility model has the advantages that: 1. the prefabricated integral floor combined structure is high in industrialization degree, all structural components can be processed in a prefabricated factory, the assembly is simple, the construction speed is high, concrete does not need to be poured on site, and the environmental protection problems such as dust flying in a construction site are effectively avoided. 2. The upper surface of the upper flange of the I-shaped steel beam is provided with the wavy bulge, and correspondingly, the position of the precast concrete plate, which is in contact with the upper flange of the I-shaped steel beam, is also provided with the wavy bulge, so that the I-shaped steel beam and the precast concrete plate are effectively prevented from sliding due to stress and other reasons, the shearing damage of bolts is avoided, the bearing capacity of the component is improved, and the service life of the component is prolonged. 3. The cross point of vertically constructing reinforcing bar and horizontal structure reinforcing bar is provided with the checkpost of fixed hot-water line, the checkpost includes the base and sets up the joint portion on the base, and the bottom of base is provided with cross joint groove, and horizontal joint groove is than vertical joint groove depth, and joint portion is open ring-type, and the hot-water line setting is in cyclic annular joint portion the inside. The reinforcing bar passes through the joint groove with the checkpost fixed, and the checkpost passes through the fixed hot-water line of cyclic annular joint portion, can prevent effectively that the removal from appearing in the concrete prefabrication in-process, the hot-water line leads to the fact the unsafe problem in location. 4. And a round steel plate is arranged on the bolt in a penetrating manner and is welded and fixed with the bolt and the transverse structural steel bar respectively. The I-shaped steel beam is connected with the transverse structural steel bars into a whole through the bolts, and the whole stress performance and the anti-seismic performance of the prefabricated and assembled integrated floor combined structure are improved. 5. The hot-water line is directly pre-buried when concrete placement, simplifies the fitment cost and the fitment flow in later stage greatly, and is energy-concerving and environment-protective, accords with the requirement of green building. 6. The short steel wires can effectively prevent the concrete from cracking and improve the bearing capacity and durability.

Drawings

Fig. 1 is a transverse sectional view of a prefabricated integral floor assembly.

Fig. 2 is a schematic view of a circular steel plate.

Fig. 3 is a bottom view of the clip.

Fig. 4 is a front view of the clip.

Fig. 5 is a side view of the clip.

In the figure: 1 is the horizontal structure reinforcing bar, 2 is the vertical structure reinforcing bar, 3 is the vertical structure reinforcing bar, 4 are the horizontal structure reinforcing bar, 5 are the I-shaped steel roof beam, 6 are the wavy arch, 7 are the bolt, 8 are the base, 9 are joint portion, 10 are circular steel sheet, 11 are the hole of wearing to establish the bolt on the circular steel sheet, 12 are horizontal joint groove, 13 are vertical joint groove.

Detailed Description

Referring to fig. 1 to 5, a prefabricated integrated floor assembly structure includes an i-beam 5 and a precast concrete slab, the precast concrete slab is internally provided with transverse structural steel bars 1, longitudinal structural steel bars 2, longitudinal structural steel bars 3 and transverse structural steel bars 4, the four steel bars form a double-layer steel bar mesh, bolts 7 are embedded in a precast concrete plate, screws of the bolts 7 are exposed out of the lower surface of the precast concrete plate, bolt holes are formed in two sides of the upper flange of the I-shaped steel beam, the bolts 7 embedded in the precast concrete plate are inserted into the bolt holes and fixed through nuts, the screws are exposed out of 6-8cm of the lower surface of the upper flange of the I-shaped steel beam 5, wavy bulges 6 are arranged on the upper surface of the upper flange of the I-shaped steel beam 5, the wavy bulges 6 are arranged along the length direction of the I-shaped steel beam, and correspondingly, the wavy bulges 6 are also arranged on the contact surfaces of the precast concrete plate and the upper flange of the I-shaped steel beam; the crosspoint of vertically constructing reinforcing bar 3 and horizontal structure reinforcing bar 4 is provided with the checkpost of fixed hot-water line, the checkpost includes base 8 and the joint portion 9 of setting on the base, and the bottom of base 8 is provided with cross joint groove, and horizontal joint groove 12 is deeper than vertical joint groove 13, and joint portion 9 is open cyclic annular, and the hot-water line (not shown in the figure) sets up in cyclic annular joint portion the inside.

Further, a round steel plate 10 penetrates through the bolt 7, the round steel plate 10 is provided with a hole 11, and the round steel plate 10 is welded and fixed with the bolt 7 and the transverse structural steel bar 1 respectively.

Further, the transverse structural steel bars 1 and the longitudinal structural steel bars 2 are fixed through welding or steel wire binding; the longitudinal construction steel bars 3 and the transverse construction steel bars 4 are fixed by welding or wire bonding.

Furthermore, the precast concrete slab is provided with chopped steel wires (not shown in the figure), and the length of the steel wires is 3-5 cm.

Claims

1. A prefabricated integral floor composite structure comprises an I-shaped steel beam and a precast concrete slab, it is characterized in that the precast concrete slab is internally provided with a longitudinal structural steel bar, a transverse structural steel bar, a longitudinal structural steel bar and a transverse structural steel bar, the four steel bars form a double-layer steel bar mesh, bolts are embedded in a precast concrete plate, screw rods of the bolts are exposed out of the lower surface of the precast concrete plate, bolt holes are formed in two sides of the upper flange of the I-shaped steel beam, the bolts embedded in the precast concrete plate are inserted into the bolt holes and fixed through nuts, the screw rods are exposed out of 6-8cm of the lower surface of the upper flange of the I-shaped steel beam, wavy bulges are arranged on the upper surface of the upper flange of the I-shaped steel beam, the wavy bulges are arranged along the length direction of the I-shaped steel beam, and correspondingly, the contact surface of the precast concrete plate and the upper flange of the I-shaped steel beam is also provided with the wavy bulges; the clip for fixing the hot water pipe is arranged at the intersection point of the longitudinal construction steel bar and the transverse construction steel bar, the clip comprises a base and a clamping part arranged on the base, a cross-shaped clamping groove is arranged at the bottom of the base, the transverse clamping groove is deeper than the longitudinal clamping groove, the clamping part is in an open ring shape, and the hot water pipe is arranged in the ring-shaped clamping part; the precast concrete plate is internally provided with a short steel wire, and the length of the steel wire is 3-5 cm.

2. The prefabricated integral floor combination structure is characterized in that round steel plates are arranged on the bolts in a penetrating mode and provided with holes, and the round steel plates are welded and fixed with the bolts and the transverse structural steel bars respectively.