CN215631895U

CN215631895U - First-floor beam structure of set-building and set-building

Info

Publication number: CN215631895U
Application number: CN202122245152.6U
Authority: CN
Inventors: 成胜杰; 王艺臻
Original assignee: Henan Dazhi Construction Co ltd
Current assignee: Henan Dazhi Construction Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-25
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a first-floor beam structure of a set-up building and a set-up building, which comprise vertical prefabricated wallboards and prefabricated floorboards arranged between the vertical prefabricated wallboards, wherein the first-floor prefabricated floorboards are positioned at the top of an old building, a first-floor prefabricated floor butt-joint area is provided with a first-floor beam pouring template assembly, the pouring template assembly comprises vertical supporting templates arranged between the top of the old building and the bottom of the first-floor prefabricated floorboards, bottom templates are arranged between the vertical supporting templates, upper-floor prefabricated columns are arranged above first-floor prefabricated floor butt-joint area lapping ribs, and lower-end reserved ribs of the upper-floor prefabricated columns penetrate through the first-floor prefabricated floor butt-joint area lapping ribs and the bottom templates to reach the top of the old building. The utility model can be used for the assembly type set-up building, the first-layer beam can be directly poured by arranging the building template assembly, the first-layer prefabricated floor slab and the upper-layer prefabricated column can also be directly poured when the first-layer beam is poured, the utility model is suitable for building the set-up building with large span, and the lower-layer building can be conveniently built after the old building is dismantled.

Description

First-floor beam structure of set-building and set-building

Technical Field

The utility model relates to the technical field of sleeve building buildings, in particular to a first-layer beam structure of a finger sleeve building and a sleeve building.

Background

The method comprises the steps of building a new building on the periphery of an old building before the old building is dismantled, sleeving the old building inside the new building, dismantling the old building inside the new building after the new building is built to a certain degree of progress, and then performing local construction on the new building at the position of the old building. The first-layer beam structure of the sleeve building and the sleeve building disclosed by the utility model patent with the granted announcement date of 20191203 and the granted announcement number of CN209723685U comprise a first-layer beam primary pouring part and a first-layer beam secondary pouring part, wherein two ends of the first-layer beam primary pouring part are supported on the frame column, and one side or two sides of the first-layer beam primary pouring part are simultaneously poured with the picking lugs; after the concrete strength of the primary pouring part of the primary beam reaches the design requirement, secondarily pouring the secondary pouring part of the primary beam; the primary pouring part of the first-layer beam and the secondary pouring part of the first-layer beam form the first-layer beam of the complete building.

Although the technical scheme disclosed by the patent provides a basic structure and a method of a set building, the method belongs to cast-in-place construction, a first-layer beam needs to be subjected to cast-in-place construction twice, the construction requirement of an assembly type building cannot be met, and particularly, the construction safety and the construction convenience cannot be guaranteed in the set building construction with large span. Therefore, it is necessary to develop a large-span sleeve building construction structure suitable for prefabricated buildings.

Disclosure of Invention

Aiming at the defects in the background art, the utility model provides a first-floor beam structure of a set building and the set building, and solves the technical problem that the prior art cannot meet the assembly type construction of the large-span set building.

The technical scheme of the utility model is realized as follows: the utility model provides a building first floor roof beam structure is built to cover, including vertical prefabricated wallboard and the prefabricated floor of setting between vertical prefabricated wallboard, first floor prefabricated floor is located the top of old building, first floor prefabricated floor butt-joint area sets up the template subassembly of pouring of first floor roof beam, pour the template subassembly including setting up the vertical braces template between the top of old building and first floor prefabricated floor bottom, be provided with the bottom template between the vertical braces template, the top that the muscle was taken to first floor prefabricated floor butt-joint area is provided with upper prefabricated post, the lower extreme of upper prefabricated post is reserved the muscle and is passed first floor prefabricated floor butt-joint area and is taken muscle and bottom template until the top of old building.

Furthermore, the butt joint zone reinforcing bars comprise internal reserved bars which are mutually lapped at the inner end part of the first layer of prefabricated floor slab, and internal stirrups are arranged between the internal reserved bars and the longitudinal bars of the lower end reserved bars and the first layer of beam.

Further, the outside of first floor prefabricated floor plate is reserved the muscle and is alternated in the muscle district of taking of the vertical prefabricated wallboard of upper and lower floor, and the outside is reserved the muscle and is reserved the muscle with the upper portion of the vertical prefabricated wallboard of lower floor and the lower part of the vertical prefabricated wallboard of upper strata and is reserved between the muscle to be provided with outside stirrup.

Further, the region between old building and the vertical prefabricated wallboard is provided with interim lattice column, and interim lattice column supports between the bottom and the ground of first floor prefabricated floor.

Furthermore, the inner sides of the vertical supporting templates are provided with horizontal mounting grooves, and the bottom templates are fixedly clamped in the horizontal mounting grooves of the vertical supporting templates.

The utility model provides a building is built to cover, includes foretell building first floor beam structure is built to cover, the inboard of vertical prefabricated wallboard is provided with towards the level reservation muscle of old building.

Further, the top of upper precast column sets up the upper beam, and the inside of upper precast floor reserves muscle and the outside muscle of reserving overlap joint in the vertical prefabricated wallboard top on upper beam and upper strata respectively of reserving the muscle, and the overlap joint district that the muscle was reserved to the inside that the muscle passed upper beam and upper precast floor is reserved to the upper end of upper precast column.

Furthermore, the reserved ribs on the first-layer precast floor slab and the upper-layer precast floor slab are horizontally opposite to the cast-in-place areas of the vertical precast wall panels and the upper-layer precast columns, and the height of the cast-in-place areas of the vertical precast wall panels and the upper-layer precast columns is larger than the cast-in-place height of the reserved ribs on the first-layer precast floor slab and the upper-layer precast floor slab.

The utility model can be used for the assembled type set-up building, not only the first-layer beam has simple structure and convenient construction, but also the first-layer beam can be directly poured by arranging the building template assembly, and the first-layer prefabricated floor slab and the upper-layer prefabricated column can also be directly poured when the first-layer beam is poured.

Drawings

In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

FIG. 1 is a schematic structural view of a set-up building;

FIG. 2 is an enlarged view taken at A in FIG. 1;

wherein:

1. the method comprises the following steps that (1) a vertical prefabricated wallboard is 11, ribs are reserved on the upper portion of the vertical prefabricated wallboard, and 12 ribs are reserved on the lower portion of the vertical prefabricated wallboard;

2. a first floor is prefabricated, 21, internal reserved ribs, 22, external reserved ribs and 23, and ribs are reserved on the first floor;

3. a first layer beam 31 and longitudinal ribs;

4. pouring a template assembly 41, a vertical supporting template 42 and a bottom template;

5. an upper layer prefabricated column 51 and a lower end reserved rib;

6. an upper beam 7 and an upper prefabricated floor slab;

10. 20, a temporary lattice column 30 and a horizontal reserved rib.

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Embodiment 1, a first floor beam structure of a set building, as shown in fig. 1 and 2, includes vertical prefabricated wall panels 1 and prefabricated floor slabs arranged between the vertical prefabricated wall panels 1, and the vertical prefabricated wall panels 1 surround the periphery of an old building 10 to form an outer wall of the set building. Because the building span is great is built to the cover, and a precast floor slab can't satisfy the floor and set up the demand, consequently, has the precast floor slab of concatenation in the same one deck, will set up the roof beam at precast floor slab's concatenation department and support.

First floor prefabricated floor 2 is located the top of old building 10, and two rows of first floor prefabricated floor 2 butt-joint areas set up first floor beam 3's template subassembly 4 of pouring, and the vertical bearing structure is needed to traditional template of pouring, because old building 10's existence, traditional bearing structure is difficult to implement. Pouring template assembly 4 in this embodiment includes vertical support template 41 that sets up between the top of old building 10 and first floor precast floor slab 2 bottom, and vertical support template 41 neither needs great support space, can directly utilize old building 10 to support first floor precast floor slab 2 again, pours the shaping together with first floor precast floor slab 2 when cast in situ first floor roof beam 3.

A bottom template 42 is arranged between the vertical supporting templates 41, horizontal mounting grooves are formed in the inner sides of the vertical supporting templates 41, and the bottom template 42 is fixedly clamped in the horizontal mounting grooves of the vertical supporting templates 41.

And upper prefabricated columns 5 are arranged opposite to the bottom formwork 42 up and down, and the upper prefabricated columns 5 are used for providing support for an upper prefabricated floor slab 7. The upper prefabricated column 5 is arranged above the butt joint area of the first-layer prefabricated floor slab 2, and the lower reserved rib 51 of the upper prefabricated column 5 penetrates through the butt joint area of the first-layer prefabricated floor slab 2, the butt joint area and the bottom template 42 until the top of the old building 10. The cast-in-place area of the upper prefabricated column 5 can be poured together while the first-layer beam 3 and the first-layer prefabricated floor slab 2 are poured, so that the connecting areas of the first-layer beam 3, the first-layer prefabricated floor slab 2 and the upper prefabricated column 5 are synchronously poured and molded; and a steel bar overlapping area of the lower-layer prefabricated column 5 is reserved after the old building 10 is dismantled.

Further, the butt joint zone lap bars comprise internal reserved bars 21 which are mutually lapped at the internal end part of the first layer of prefabricated floor slab 2, and internal stirrups are arranged between the internal reserved bars 21 and the longitudinal bars 31 of the lower end reserved bars 51 and the first layer of beam 3. Inside reservation muscle 21, lower extreme reservation muscle 51 and indulge synchronous construction between the muscle 31 three, set up the stirrup in step, fully guarantee construction convenience and structural strength.

Further, the outside of the first floor precast floor slab 2 is reserved the muscle 22 and is alternated in taking the muscle district at the vertical precast wallboard 1 of upper and lower floor, and outside reserved muscle 22 is reserved with the upper portion of the vertical precast wallboard 1 of lower floor and is reserved between muscle 11 and the lower part of the vertical precast wallboard 1 of upper strata and is provided with outside stirrup 12. The external reserved rib 22, the upper reserved rib 11 and the lower reserved rib 12 are constructed synchronously, and the stirrups are arranged synchronously, so that the construction convenience and the structural strength are fully guaranteed.

Further, when the horizontal span between the set building and the old building is large, the area between the old building 10 and the vertical prefabricated wall panel 1 is provided with the temporary lattice column 20, and the temporary lattice column 20 is supported between the bottom of the first layer of the prefabricated floor slab 2 and the ground. If the horizontal span between the set building and the old building is large and the length of the prefabricated floor slab is long, vertical prefabricated columns are directly arranged in the area between the old building 10 and the vertical prefabricated wall plate 1 for supporting, and a first-layer beam is constructed.

Embodiment 2, a set of building, including the set of building first floor beam structure of embodiment 1, the inboard of vertical prefabricated wallboard 1 is provided with the level of orientation old building 10 and reserves muscle 30, can conveniently construct the understructure through the level after the old building is demolishd.

After the first layer of roof beam 3 and the first layer of prefabricated floor 2 construction finish, the top of upper strata prefabricated column 5 sets up upper beam 6, and the inside of upper strata prefabricated floor 7 reserves muscle and outside and reserves the muscle overlap joint respectively in upper beam 6 and the vertical prefabricated wallboard 1 top on upper strata, can directly utilize the holding power of upper strata prefabricated column 5 to construct upper beam 6. The upper reserved ribs 52 of the upper precast columns 5 penetrate through the lap joint areas of the upper beams 6 and the reserved ribs inside the upper precast floor slabs 7 for continuing upward construction.

Furthermore, the reserved ribs 23 on the first-layer precast floor slab 2 and the upper-layer precast floor slab 7 are horizontally opposite to the cast-in-place areas of the vertical precast wall slabs 1 and the upper-layer precast columns 5, and the height of the cast-in-place areas of the vertical precast wall slabs 1 and the upper-layer precast columns 5 is larger than the cast-in-place height of the reserved ribs 23 on the first-layer precast floor slab 2 and the upper-layer precast floor slab 7.

Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The first floor beam structure of building is built to cover, including vertical prefabricated wallboard (1) and the prefabricated floor slab of setting between vertical prefabricated wallboard (1), its characterized in that: the first floor precast floor slab (2) is located the top of old building (10), first floor precast floor slab (2) butt-joint area sets up pouring template subassembly (4) of first floor roof beam (3), pouring template subassembly (4) is including setting up vertical support template (41) between the top of old building (10) and first floor precast floor slab (2) bottom, be provided with bottom template (42) between vertical support template (41), be provided with upper prefabricated post (5) with bottom template (42) relative from top to bottom, lower extreme reservation muscle (51) of upper prefabricated post (5) pass first floor precast floor slab (2) butt-joint area and take muscle and bottom template (42) up to the top of old building (10).

2. The set-up building first floor beam structure of claim 1, wherein: the butt joint zone lapping rib comprises an internal reserved rib (21) which is mutually lapped at the inner end part of the first layer of prefabricated floor slab (2), and an internal stirrup is arranged between the internal reserved rib (21) and the longitudinal rib (31) of the lower end reserved rib (51) and the first layer of beam (3).

3. The set-up building first floor beam structure of claim 2, wherein: the outside of first floor prefabricated floor (2) is reserved muscle (22) and is alternated in taking the muscle district of vertical prefabricated wallboard (1) of upper and lower floor, and muscle (11) are reserved with the upper portion of the vertical prefabricated wallboard (1) of lower floor in outside reservation muscle (22) and the lower part of vertical prefabricated wallboard (1) of upper strata is reserved between muscle (12) and is provided with outside stirrup.

4. The set building first floor beam structure of any one of claims 1-3, wherein: the temporary latticed column (20) is arranged in the area between the old building (10) and the vertical prefabricated wall plate (1), and the temporary latticed column (20) is supported between the bottom of the first layer of the prefabricated floor slab (2) and the ground.

5. The set-up building first floor beam structure of claim 1, wherein: the inner sides of the vertical supporting templates (41) are provided with horizontal mounting grooves, and the bottom templates (42) are fixedly clamped in the horizontal mounting grooves of the vertical supporting templates (41).

6. A set of building which characterized in that: including the set-up building first floor beam construction of any one of claims 1-5, the inside of the vertical prefabricated wall panels (1) is provided with horizontal pre-cut ribs (30) towards the old building (10).

7. The set-up building of claim 6, wherein: the top of upper precast column (5) sets up upper beam (6), and the inside of upper precast floor slab (7) is reserved the muscle and is reserved the muscle with the outside and overlap joint respectively in upper beam (6) and upper vertical precast wallboard (1) top, and the overlap joint district of muscle is reserved in the inside of upper beam (6) and upper precast floor slab (7) is passed in upper preformed column's (5) upper end reserved muscle (52).

8. The set-up building of claim 7, wherein: the prefabricated wall slab is characterized in that the reserved ribs (23) on the first-layer prefabricated floor slab (2) and the upper-layer prefabricated floor slab (7) are horizontally opposite to the cast-in-place areas of the vertical prefabricated wall plate (1) and the upper-layer prefabricated column (5), and the height of the cast-in-place areas of the vertical prefabricated wall plate (1) and the upper-layer prefabricated column (5) is larger than the cast-in-place height of the reserved ribs (23) on the first-layer prefabricated floor slab (2) and the upper-layer prefabricated floor slab (7).