CN217027743U

CN217027743U - Assembly type steel structure building PEC beam pipeline arrangement node

Info

Publication number: CN217027743U
Application number: CN202123312814.3U
Authority: CN
Inventors: 谷俊芳; 顾洁; 庞焕
Original assignee: Zhejiang Jinggong Lvzhu Housing Technology Co ltd
Current assignee: Zhejiang Jinggong Lvzhu Housing Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-22
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to a PEC beam pipeline arrangement node of an assembly type steel structure building, which comprises a floor plate, a PEC beam and a wall plate, wherein the floor plate is laid on the top of the upper flange of the PEC beam; the wall plate is arranged in the middle of the lower flange of the PEC beam, wiring pipes are respectively laid in the floor plates on two sides of the web plate of the PEC beam, wiring grooves are formed in two sides of the wall plate, the total thickness of two sides of the web plate of the PEC beam is smaller than the thickness of the wall plate, and the exposed ends of the wiring pipes in the floor plates on two sides of the PEC beam penetrate into the wiring grooves of the wall plate along the outer side surface of the web plate of the PEC beam; and steel wire meshes are laid on the outer surfaces of two sides of the PEC beam web plate, leveling layers are arranged on the outer surfaces of the two sides of the PEC beam web plate and the outer surface of the wallboard to enable the outer surfaces of the two to be flush, and plastering mortar finish coatings are laid on the outer surfaces of the leveling layers. The PEC beams are adopted to reserve the wiring space of the pipeline, and the pipeline can be arranged along the surfaces of the two sides of the beams and penetrate into the wiring grooves in the wall body, so that the pipeline is not exposed and the beam structure is not damaged.

Description

Assembly type steel structure building PEC beam pipeline arrangement node

Technical Field

The utility model relates to the field of assembly type steel structure buildings, in particular to a PEC beam pipeline arrangement node of an assembly type steel structure building.

Background

With the vigorous implementation of the assembled building by the government of China, the steel structure system of the assembled building is more and more widely applied. In steel structure houses, H-shaped steel beams are often adopted as steel beams, and are prefabricated in factories to complete field installation and in place. The floor slab is mainly paved on a steel beam in a mode of an assembly type steel bar truss floor bearing plate or other combined floor slabs, and concrete is poured in situ to form the integral floor slab. The infilled wall below the steel beam mostly adopts thinner light slats, and is connected with the steel beam and adopts the arrangement mode placed in the middle. When the assembly structure is used for pipeline construction, holes are usually drilled on the flanges of the steel beams to penetrate through the pipelines, and the pipelines are exposed to the outside and need post-construction decoration treatment. The trompil is walked the line and is needed predetermined trompil position on the edge of a wing, carries out the trompil reinforcement in the mill, and the job site needs accurate positioning installation, all brings very big inconvenience for preparation and construction. The utility model discloses a utility model patent that bulletin number is CN211172646U discloses a pipeline arrangement node for girder steel position, its trompil on avoiding the girder steel edge of a wing, the pipeline is walked line from one of them side of girder steel to bury the threading pipe underground in the infilled wall of girder steel lower part. The width of the filler wall is smaller than the width of the flange of the steel beam, and pipelines can only be wired from one side of the steel beam and are not beneficial to wiring rooms on two sides of the steel beam. Moreover, the steel beams protrude out of the wall, so that the attractiveness is affected, and the construction of a floor with a suspended ceiling is very inconvenient.

When the H-shaped steel beam is assembled on a construction site, the two sides of the web plate also need to be filled, fire prevention treatment is also needed, and the number of field construction steps is large. In recent years, the application of the PEC (partially encasted composite) beam is popular, the stress property, the fire resistance and the sound insulation property of the PEC (partially encasted composite) beam are obviously superior to those of a steel beam, and the PEC (partially encasted composite) beam is prefabricated in a factory, so that the operation of a construction site is reduced. The present case has created a pressing need for pipeline layout rationality in steel structural buildings that employ PEC beams.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a PEC beam pipeline arrangement node of an assembly type steel structure building, which avoids tapping and threading on a flange steel plate of a beam and also avoids increasing later-stage decoration cost, the PEC beam and a wall surface can keep the same width, the pipeline is not exposed, and both sides of the PEC beam can be wired.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a fabricated steel structure building PEC beam pipeline arrangement node comprises a floor plate, a PEC beam and a wall plate, wherein the floor plate is laid on the top of an upper flange of the PEC beam; the wall board is arranged in the middle of the lower flange of the PEC beam, the wiring pipes are respectively laid in the floor boards on two sides of the web plate of the PEC beam, the wiring grooves are formed in two sides of the wall board, the total thickness of two sides of the web plate of the PEC beam is smaller than that of the wall board, the exposed ends of the wiring pipes in the floor boards on two sides of the PEC beam penetrate into the wiring grooves of the wall board along the outer side surface of the web plate of the PEC beam, and the outer surfaces of the two sides of the web plate of the PEC beam and the outer surface of the wall board are provided with leveling layers to enable the outer surfaces of the two to be flush.

Furthermore, the wall board adopts ALC laths.

Furthermore, a tie piece is arranged below a lower flange of the H-shaped steel in the PEC beam, one end of the tie piece is fixedly connected with the lower flange of the H-shaped steel, and the other end of the tie piece is inserted into the wallboard.

Furthermore, the drawknot piece is made of T-shaped steel, and the top of the T-shaped steel is welded with the bottom of the lower flange of the H-shaped steel.

Furthermore, a fireproof coating and a heat insulation layer are sequentially arranged between the lower flange of the H-shaped steel in the PEC beam and the top of the wallboard.

Further, the heat preservation layer is a PU foaming agent layer or a rock wool layer.

Further, steel wire meshes are laid on the outer surfaces of two sides of the PEC beam web plate, and extend upwards to the bottom surface of the floor slab along the outer surface of the PEC beam, so that the steel wire meshes cover the joints of the floor slab and the corners of the PEC beam; the steel wire mesh extends downwards to the outer surface of the wallboard, so that the steel wire mesh covers the seam between the PEC beam and the wallboard, and the steel wire mesh is hidden inside the leveling layer.

Furthermore, a plastering mortar finish coat is paved on the outer surface of the leveling layer.

The utility model adopts the PEC beam to replace the steel beam, not only the stress performance, the fire resistance and the sound insulation effect are better than those of the steel beam, but also the operation steps of filling the side part of the web plate of the steel beam in field construction are greatly reduced. The PEC beam is adopted, the thickness of the PEC beam can be designed to be narrower than that of a wall body, a wiring space of a pipeline is reserved, the PEC beam is connected with the wall body below the PEC beam into a whole through a tie piece, and a fireproof layer and a heat insulation layer are filled between the PEC beam and the wall body, so that the integration of structural stress and fireproof and anticorrosion is realized. Due to the fact that the wiring space is reserved, when the pipeline is arranged, holes do not need to be formed in the flange of the H-shaped steel, the beam structure cannot be damaged, and the safety degree of design can be improved. The pipeline in the whole node is not exposed all the time, the construction cost that the suspended ceiling is hidden due to the fact that the pipeline is exposed is avoided, and convenience is provided for later-stage decoration construction.

Drawings

FIG. 1 is a cross-sectional view of a pipeline layout node in an embodiment of the present invention;

fig. 2 is a perspective view of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The embodiment discloses a fabricated steel structure building PEC beam pipeline arrangement node, as shown in fig. 1 and 2, a PEC beam 3 is of an H-shaped steel inside and a concrete-clad outside, and the H-shaped steel can be standard hot-rolled H-shaped steel (H300 × 150 × 6.5 × 9) and has an upper flange 31, a web 32 and a lower flange 33. The wall plate 4 connected with the PEC beam 3 adopts ALC lath, ALC is short for autoclaved lightweight concrete, is one of high-performance autoclaved aerated concrete, and is commonly used for wall materials or roof boards. The floor slab 1 is a cast-in-place floor slab, and laying and positioning of the wiring pipes 2 in a construction site are facilitated. When the PEC beam 3 is prefabricated in a factory, the thickness of the PEC beam is required to be smaller than that of the adopted wall plate 4, the specific size can be determined according to the pipeline laying requirement and the diameter of the selected wiring pipe, and the wiring pipe 2 is prevented from protruding out of the outer surfaces of the PEC beam 3 and the wall plate 4 after being laid. Wallboard 4 also adopts prefabricated wallboard, can bury in the concrete position of the inside spool of walking 2 of floor 1 according to the job site, confirms that wallboard 4 offers the position of walking the wire casing on the surface.

During field construction, the wall plate 4 is placed below the lower flange 33 of the PEC beam 3, and the PEC beam 3 is smaller than the wall plate 4 in thickness and is placed in the middle, so that the wiring pipes 2 can be arranged on two sides, and convenience is provided for wiring in rooms on two sides of the wall plate 4. When the PEC beam 3 and the wall plate 4 are connected, in order to improve the integrity of the stress, it is suggested to add a tie 5 at the lower part of the lower flange 33 of the PEC beam 3, for example, T-shaped steel is used as the tie 5, the top plate of the T-shaped steel is welded on the bottom surface of the lower flange 33, and the other vertical end is inserted into the wall plate 4. In order to improve the heat insulation and fire resistance of the connection part of the PEC beam 3 and the wall plate 4, a layer of fire retardant coating can be coated on the bottom of the lower flange 33 to serve as a fire-retardant layer 9, and then an insulating layer 10 is filled at the lower part of the fire-retardant layer 9, wherein the insulating layer 10 can be a PU foaming agent layer or a rock wool layer.

Floor 1 adopts cast-in-place to form, and floor 1 sets up at top flange 31, lays walk the raceway 2 inside floor 1 along the horizontal direction according to the concrete position of pipeline design, and the end that exposes of raceway 2 is vertical and the surface that laminates PEC roof beam 3's web 32 one side penetrates the raceway groove of seting up on wallboard 4. In order to hide the wiring pipe 2 exposed on the outer surface of the PEC beam 3, a plastering mortar leveling layer 7 is coated on the outer surfaces of the two sides of the web plate 32 and the outer surface of the wall plate 4, so that the PEC beam 3 and the outer surface of the wall plate 4 are kept flush, and a plastering mortar finishing coat 8 is further arranged on the outer side of the plastering mortar leveling layer 7. In order to prevent the plastering mortar from cracking or falling off in layers, steel wire meshes 6 are laid in the plastering mortar leveling layer 7, namely, the steel wire meshes 6 are laid on the outer surfaces of two sides of the web 32 of the PEC beam 3, the steel wire meshes 6 extend upwards to the bottom surface of the floor slab 1 along the outer surface of the PEC beam 3, and the steel wire meshes 6 cover the joint of the corners of the floor slab 1 and the PEC beam 3; the steel mesh 6 extends down to the outer surface of the wallboard panel 4 so that the steel mesh 6 covers the seam between the PEC beam 3 and the wallboard panel 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an assembled steel construction building PEC roof beam pipeline arrangement node, includes floor, PEC roof beam and wallboard, and the floor is laid at the last flange top of PEC roof beam, its characterized in that: the wall board is arranged in the middle of the lower flange of the PEC beam, the wiring pipes are respectively laid in the floor boards on two sides of the web plate of the PEC beam, the wiring grooves are formed in two sides of the wall board, the total thickness of two sides of the web plate of the PEC beam is smaller than that of the wall board, the exposed ends of the wiring pipes in the floor boards on two sides of the PEC beam penetrate into the wiring grooves of the wall board along the outer side surface of the web plate of the PEC beam, and the outer surfaces of the two sides of the web plate of the PEC beam and the outer surface of the wall board are provided with leveling layers to enable the outer surfaces of the two to be flush.

2. The assembled steel structure building PEC beam pipeline arrangement node of claim 1, wherein: the wallboard adopts ALC slat.

3. The assembled steel structure building PEC beam pipeline arrangement node of claim 1, wherein: and a pulling piece is arranged below the lower flange of the H-shaped steel in the PEC beam, one end of the pulling piece is fixedly connected with the lower flange of the H-shaped steel, and the other end of the pulling piece is inserted into the wallboard.

4. The assembled steel structure building PEC beam pipeline arrangement node of claim 3, wherein: the drawknot piece is T-shaped steel, and the top of the T-shaped steel is welded with the bottom of the lower flange of the H-shaped steel.

5. The assembled steel structure building PEC beam pipeline arrangement node of claim 1, wherein: and a fireproof coating and a heat insulation layer are sequentially arranged between the lower flange of the H-shaped steel in the PEC beam and the top of the wallboard.

6. The assembled steel structure building PEC beam pipeline arrangement node of claim 5, wherein: the heat preservation layer is a PU foaming agent layer or a rock wool layer.

7. The assembled steel structure building PEC beam pipeline arrangement node of claim 1, wherein: steel wire meshes are laid on the outer surfaces of the two sides of the PEC beam web plate, and extend upwards to the bottom surface of the floor slab along the outer surface of the PEC beam, so that the steel wire meshes cover the joints of the floor slab and the corners of the PEC beam; the steel wire mesh extends downwards to the outer surface of the wallboard, so that the steel wire mesh covers the seam between the PEC beam and the wallboard, and the steel wire mesh is hidden inside the leveling layer.

8. The assembled steel structure building PEC beam pipeline arrangement node of claim 1, wherein: and a plastering mortar finish coat is laid on the outer surface of the leveling layer.