CN216766233U

CN216766233U - Node suitable for regional concrete placement is watered after assembled PEC post

Info

Publication number: CN216766233U
Application number: CN202122366063.7U
Authority: CN
Inventors: 汪旭; 崔嵬; 柳跃强; 娄小凤
Original assignee: Zhejiang Dadongwu Construction Technology Co ltd
Current assignee: Zhejiang Dadongwu Construction Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-06-17
Anticipated expiration: 2031-09-28

Abstract

The utility model provides a node suitable for regional concrete placement waters after assembled PEC post, including upper end mosaic structure and lower extreme mosaic structure, upper end mosaic structure and lower extreme mosaic structure fixed connection, upper end mosaic structure, form the post-cast region between the lower extreme mosaic structure, it has the watering notch to take shape in the upper end mosaic structure, through the setting of watering notch, be convenient for water concrete placement to the post-cast region in, realize that whole post-cast region is same to be pour, water regional bulk strength after improving, thereby guarantee the engineering quality when improving the efficiency of construction.

Description

Node suitable for regional concrete placement is watered after assembled PEC post

Technical Field

The utility model belongs to the technical field of buildings, and particularly relates to a node suitable for concrete pouring of an assembled PEC post-pouring area.

Background

With the continuous and high-speed development of economy in China, energy conservation and environmental protection consciousness becomes the mainstream of society, and in recent years, the nation encourages and vigorously promotes assembly type buildings from the aspect of strategic development. The assembly type building has the greatest advantages that the workload of on-site wet operation is reduced, manpower and material resources are greatly saved, the on-site construction efficiency is greatly improved, post-cast concrete is one of the construction steps of complete connection of the assembly type prefabricated components, the edges of the former post-cast areas are right-angled edges, the construction in the pouring process is difficult, the whole post-cast area cannot be filled, a large number of holes and gaps exist in the interfaces of new and old concrete after the form is removed, and the construction engineering quality is directly influenced.

Disclosure of Invention

In view of the above disadvantages, the technical problem to be solved by the present invention is to provide a node suitable for concrete pouring in a post-pouring area of an assembled PEC column, which is convenient for pouring the post-pouring area of a spliced column, can ensure dense concrete filling during pouring, and prevent gaps or cellular pitted surfaces from being generated on new and old concrete interfaces at a later stage, thereby ensuring engineering quality.

In order to solve the technical problems, the utility model adopts the technical scheme that,

the utility model provides a node suitable for regional concrete placement waters after assembled PEC post, includes upper end mosaic structure and lower extreme mosaic structure, upper end mosaic structure and lower extreme mosaic structure fixed connection form the post-cast region between upper end mosaic structure, the lower extreme mosaic structure, take shape in the upper end mosaic structure and have the watering notch.

Furthermore, the upper end splicing structure comprises an upper section steel column and upper section concrete, the upper section concrete is poured and formed on the side wall of the upper section steel column, and the pouring notch is formed in the upper section concrete.

Furthermore, the upper steel column is an H-shaped steel column, the upper concrete is respectively and fixedly poured on the end surfaces of two sides of the H-shaped steel column, and correspondingly, pouring notches are formed in the upper concrete on the two sides.

Furthermore, the upper concrete is poured at the upper end of the upper steel column section, and an upper post-pouring area is formed between the lower end face of the upper concrete section and the upper steel column section.

Furthermore, the lower end face of the upper concrete section is an inclined plane, and the upper end face of the pouring notch is also an inclined plane.

Furthermore, the lower end surface of the upper concrete section and the upper end surface of the pouring notch are parallel to each other, and the inclination angle of the inclined surface relative to the horizontal plane is 40-50 degrees.

Furthermore, the distance between the lower end surface of the upper concrete section and the upper end surface of the pouring notch is 90-110 mm.

Furthermore, the lower end splicing structure comprises a lower steel column section and lower concrete, the lower concrete section is formed on the side wall of the lower steel column section in a pouring mode, and the lower steel column section is fixedly connected with the upper steel column section.

Furthermore, the lower section of concrete is poured below the lower section of steel column, and a lower end post-pouring area is formed between the upper end surface of the lower section of concrete and the lower section of steel column.

Furthermore, the upper end surface of the lower concrete section is horizontally arranged.

The utility model has the advantages that (1) the arrangement of the pouring notches is convenient for pouring concrete into the post-pouring area, the same pouring of the whole post-pouring area is realized, the integral strength of the post-pouring area is improved, and the construction efficiency is improved while the engineering quality is ensured.

(2) Set the up end through watering the region after to the inclined plane, the concrete filling when can guaranteeing to pour is closely knit, prevents that new and old concrete interface in later stage from producing gap or honeycomb pitted skin, and then guarantees engineering quality.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic half-section of the present invention.

Reference numerals: the upper end splicing structure 1, the lower end splicing structure 2, the pouring notch 3, the upper section steel column 4, the upper section concrete 5, the upper end post-pouring area 6, the lower section steel column 7, the lower section concrete 8 and the lower end post-pouring area 9.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The utility model provides a node suitable for regional concrete placement waters after assembled PEC post, including upper end mosaic structure 1 and lower extreme mosaic structure 2, upper end mosaic structure 1 and lower extreme mosaic structure 2 fixed connection, upper end mosaic structure 1, form the region of watering after forming between the lower extreme mosaic structure 2, it has watering notch 3 to take shape in upper end mosaic structure 1, through watering notch 3's setting, be convenient for water concrete placement to the region of watering after, realize whole regional same pouring of watering after, improve the regional bulk strength of watering after, thereby guarantee the engineering quality when improving the efficiency of construction.

Upper end mosaic structure 1 includes upper segment steel column 4, upper segment concrete 5, and upper segment concrete 5 pours and takes shape on the lateral wall of upper segment steel column 4, and watering notch 3 takes shape on upper segment concrete 5, is convenient for carry out same pouring to whole post-cast region, improves the bulk strength in post-cast region.

The upper steel column 4 is an H-shaped steel column, the upper concrete 5 is respectively and fixedly poured on the end surfaces of two sides of the H-shaped steel column, and correspondingly, pouring notches 3 are formed in the upper concrete 5 on the two sides, so that the overall strength of the upper steel column 4 is improved.

The upper concrete 5 is poured at the upper end of the upper steel column 4, an upper end post-pouring area 6 is formed between the lower end face of the upper concrete 5 and the upper steel column 4, and the upper steel column 4 and the lower steel column are fixedly welded conveniently through the upper end post-pouring area 6.

The lower terminal surface of upper segment concrete 5 is the inclined plane, and the up end of watering notch 3 also is the inclined plane, and the lower terminal surface of upper segment concrete 5, the up end of watering notch 3 are parallel to each other, and the inclination of the relative horizontal plane of inclined plane is 40-50, through establishing the lower terminal surface of upper segment concrete 5, the up end of watering notch 3 into the inclined plane, the concrete packing is closely knit when being convenient for guarantee to pour, prevents that the new and old concrete interface in later stage from producing gap or honeycomb pitted skin, and then guarantees engineering quality.

The distance between the lower end surface of the upper concrete 5 and the upper end surface of the pouring notch 3 is 90-110mm, so that the concrete is conveniently poured into a post-pouring area.

Lower extreme mosaic structure 2 includes lower section steel column 7 and lower section concrete 8, and lower section concrete 8 pours and takes shape on the lateral wall of lower section steel column 7, lower section steel column 7 and upper segment steel column 4 fixed connection, and the structure of lower section steel column 7 is unanimous with the structure of upper segment steel column 4, and the steel column welding about being convenient for on the one hand, on the other hand H shape steel material has stronger stability after welding.

Lower section concrete 8 pours in the below of lower section steel post 7, forms lower extreme post-cast region 9 between the up end of lower section concrete 8 and the lower section steel post 7, and the upper end of lower section concrete 8 personally submits the level setting, and the concrete that is located the up end department of lower section concrete 8 can be vibrated through the vibrator, reduces new and old concrete interface and produces gap or honeycomb pitted surface.

The construction steps of the node construction are as follows,

(1) aligning and welding the upper and lower steel column main bodies;

(2) after the temperature is stable, supporting a steel bar and a template in a post-pouring area, wherein the template can be a template, an aluminum plate or a steel plate;

(3) inserting a grouting funnel into a notch reserved in the middle, and pouring concrete;

(4) after pouring is finished, the grouting funnel is removed, and concrete with smaller slump is used for plugging the notch;

(5) and after the concrete reaches the preset strength, removing the template and maintaining.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a node suitable for regional concrete placement waters after assembled PEC post, its characterized in that, includes upper end mosaic structure (1) and lower extreme mosaic structure (2), upper end mosaic structure (1) and lower extreme mosaic structure (2) fixed connection, form the post-cast region between upper end mosaic structure (1), lower extreme mosaic structure (2), take shape in upper end mosaic structure (1) and have watering notch (3).

2. The PEC post-cast area concrete node suitable for the fabricated PEC column according to claim 1, wherein the upper end splicing structure (1) comprises an upper steel column (4) and an upper concrete (5), the upper concrete (5) is cast on the side wall of the upper steel column (4), and the casting notch (3) is formed on the upper concrete (5).

3. The PEC column post-cast area concrete node suitable for the fabricated PEC column according to claim 2, wherein the upper steel column (4) is an H-shaped steel column, the upper concrete (5) is fixedly cast on two side end faces of the H-shaped steel column, and the casting notches (3) are formed in the corresponding two side upper concrete (5).

4. The PEC column post-cast section concrete node suitable for the fabricated PEC column according to claim 3, wherein the upper section concrete (5) is cast on the upper end of the upper section steel column (4), and an upper end post-cast section (6) is formed between the lower end surface of the upper section concrete (5) and the upper section steel column (4).

5. A node suitable for use in the concrete pouring of a post-cast area of a fabricated PEC column as claimed in claim 4, wherein the lower end face of the upper concrete section (5) is inclined and the upper end face of the pouring rebate (3) is also inclined.

6. A node suitable for use in the concreting of a fabricated PEC column post-cast area according to claim 5, wherein the lower end face of the upper concrete section (5) and the upper end face of the casting rebate (3) are parallel to each other, and the inclined faces are inclined at an angle of 40 ° to 50 ° to the horizontal.

7. A node suitable for use in the concreting of a fabricated PEC column post-cast area according to claim 6, wherein the distance between the lower end face of the upper concrete section (5) and the upper end face of the casting rebate (3) is 90-110 mm.

8. The PEC post-cast area concrete node suitable for the fabricated PEC column according to claim 1, wherein the lower end splicing structure (2) comprises a lower steel column (7) and a lower concrete (8), the lower concrete (8) is cast on the side wall of the lower steel column (7), and the lower steel column (7) is fixedly connected with the upper steel column (4).

9. The PEC column post-cast section concrete node suitable for use according to claim 7, wherein the lower section of concrete (8) is cast under the lower section of steel column (7), and a lower post-cast section (9) is formed between an upper end surface of the lower section of concrete (8) and the lower section of steel column (7).

10. The PEC column post-cast area concrete node suitable for assembly according to claim 7, wherein the upper end surface of the lower concrete segment (8) is horizontally arranged.