阅读说明：本技术 一种装配式rcs莲藕梁柱连接节点及其应用 (Assembled RCS lotus root beam column connecting node and application thereof ) 是由 李本悦 徐铨彪 王宇轩 杨立龙 胡斌涛 田金成 张帆 岑迪钦 陈培威 赵余江 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种装配式RCS莲藕梁柱连接节点及其应用,连接结构包括钢制盒体(1),钢制盒体(1)的上表面设有相互对应的混凝土浇灌孔(2),所述钢制盒体(1)的上下表面还设有钢筋孔洞(3)；所述钢制盒体(1)的两对称侧边设有短钢梁(4),位于两相邻短钢梁(4)之间的钢制盒体(1)侧壁上还设有外伸段钢梁(5)。装配式RCS莲藕柱包括柱体(7),柱体(7)一端设有梁柱连接节点结构(8)。本发明具有方便混凝土柱与钢梁之间连接的特点。(The invention discloses an assembled RCS lotus root beam column connecting node and application thereof.A connecting structure comprises a steel box body (1), wherein concrete pouring holes (2) which correspond to each other are formed in the upper surface of the steel box body (1), and steel bar holes (3) are also formed in the upper surface and the lower surface of the steel box body (1); two symmetrical sides of the steel box body (1) are provided with short steel beams (4), and the side wall of the steel box body (1) between two adjacent short steel beams (4) is also provided with an overhanging section steel beam (5). Assembled RCS lotus root post includes cylinder (7), and cylinder (7) one end is equipped with beam column connected node structure (8). The invention has the characteristic of convenient connection between the concrete column and the steel beam.)

1. The utility model provides an assembled RCS lotus root beam column connected node which characterized in that: the concrete pouring box comprises a steel box body (1), wherein concrete pouring holes (2) are formed in the upper surface of the steel box body (1), and steel bar holes (3) are formed in the upper surface and the lower surface of the steel box body (1); two symmetrical sides of the steel box body (1) are provided with short steel beams (4), and the side wall of the steel box body (1) between two adjacent short steel beams (4) is also provided with an overhanging section steel beam (5).

2. The fabricated RCS lotus root beam-column connection node structure of claim 1, wherein: the lower surface of the steel box body (1) is also provided with concrete pouring holes (2) which correspond to each other.

3. The fabricated RCS lotus root beam-column connection node of claim 1, wherein: the length of the overhanging section steel beam (5) is greater than, equal to or less than that of the short steel beam (4).

4. The fabricated RCS lotus root beam-column connection node of claim 1, wherein: and bolt connecting holes (6) are formed in the short steel beam (4) and the overhanging section steel beam (5).

5. The fabricated RCS lotus root beam-column connection node of claim 1, wherein: the upper surface and the lower surface of the steel box body (1) are provided with shear keys, studs and/or rough surfaces.

6. The fabricated RCS lotus root beam-column connection node of claim 1, wherein: the inner wall surface of the steel box body (1) is also provided with stiffening vertical plates and/or transverse plates.

7. The utility model provides an assembled RCS lotus root post which characterized in that: the beam column connecting structure comprises a column body (7), wherein the column body (7) is hollow or solid, and one end of the column body (7) is provided with a beam column connecting node (8); the beam-column connection node (8) is a fabricated RCS lotus root beam-column connection node according to any one of claims 1 to 6.

8. The assembled RCS lotus root column according to claim 7, wherein the preparation and installation method comprises the following steps:

firstly, binding to obtain a column steel reinforcement framework;

secondly, erecting a formwork on the column steel reinforcement framework, pouring concrete and curing to obtain a structural column;

thirdly, transporting the structural cylinder to a construction site and hoisting the structural cylinder in place;

fourthly, mounting the beam column connecting node at the upper end of the structural column body, and enabling reserved steel bars at the upper end of the structural column body to penetrate out of steel bar holes of the beam column connecting node;

and fifthly, hoisting the upper-layer structure cylinder, connecting the reserved steel bars at the upper end of the lower-layer structure cylinder with the bottom surface of the upper-layer cylinder, and finally pouring concrete in a connecting area to complete the connection of the lotus root beam column.

Technical Field

The invention belongs to the field of assembled RCS structures, and particularly relates to an assembled RCS lotus root beam-column connecting node and application thereof.

Background

The industrialization and the assembly of buildings are the development trend of the building industry in China, and the assembled reinforced concrete structure and the assembled steel structure are structural forms which are more used by the assembled building, but the assembled reinforced concrete structure and the assembled steel structure have different defects and shortcomings. Assembled RCS structures that combine the advantages of both assembled reinforced concrete structures and steel structures are becoming more and more favored by designers. The fabricated RCS structure is formed by combining a prefabricated reinforced concrete column and a steel beam, the construction mode is similar to a steel structure, and the mechanical property is similar to that of a reinforced concrete structure. The existing assembled RCS structure has the disadvantages of complicated structure and complicated construction due to the connection mode of the prefabricated reinforced concrete column and the steel beam, and is not beneficial to the application and popularization of the assembled RCS structure. For example, in the utility model patent with the publication number of CN 212104818U and the patent name of assembled reinforced concrete structural column and connection node, it is disclosed that the connection assembly is arranged above the column body, and the connection assembly comprises a sealing plate and a group of connection plates arranged on the sealing plate. However, when the upper column and the lower column of the node are connected, the welding workload is large, the connection quality is not easy to control, and the column head is a special-shaped component, so that the transportation efficiency is not high. Therefore, the prior art has the problems of low transportation efficiency and large field welding workload.

Disclosure of Invention

The invention aims to provide an assembled RCS lotus root beam column connecting node and application thereof. The invention has the characteristics of effectively improving the transportation efficiency and reducing the field welding workload.

The technical scheme of the invention is as follows: the assembled RCS lotus root beam column connecting node comprises a steel box body, wherein a concrete pouring hole is formed in the upper surface of the steel box body, and steel bar holes are formed in the upper surface and the lower surface of the steel box body; two symmetrical sides of the steel box body are provided with short steel beams, and the side wall of the steel box body between two adjacent short steel beams is provided with an overhanging section steel beam.

In the foregoing assembled RCS lotus root beam column connected node structure, the lower surface of the steel box body is also provided with concrete pouring holes corresponding to each other.

In the foregoing assembled RCS lotus root beam-column connection node, the length of the overhanging section steel beam is greater than, equal to, or less than the length of the short steel beam.

In the foregoing assembled RCS lotus root beam column connected node, bolt connection holes are provided on the short steel beam and the overhanging section steel beam.

In the foregoing assembled RCS lotus root beam-column connection node, shear keys, studs, and/or rough surfaces are disposed on the upper and lower surfaces of the steel box.

In the foregoing assembled RCS lotus root beam column connected node, still be equipped with stiffening riser and/or diaphragm on the steel box body internal wall face.

An assembled RCS lotus root column comprises a column body, wherein the column body is hollow or solid, and one end of the column body is provided with a beam column connecting node; the beam column connecting node is the assembly type RCS lotus root beam column connecting node.

In the assembled RCS lotus root column, the preparation and installation method comprises the following specific steps:

firstly, binding to obtain a column steel reinforcement framework;

secondly, erecting a formwork on the column steel reinforcement framework, pouring concrete and curing to obtain a structural column;

thirdly, transporting the structural cylinder to a construction site and hoisting the structural cylinder in place;

fourthly, mounting the beam column connecting node at the upper end of the structural column body, and enabling reserved steel bars at the upper end of the structural column body to penetrate out of steel bar holes of the beam column connecting node;

and fifthly, hoisting the upper-layer structure cylinder, connecting the reserved steel bars at the upper end of the lower-layer structure cylinder with the bottom surface of the upper-layer cylinder, and finally pouring concrete in a connecting area to complete the connection of the lotus root beam column.

Compared with the prior art, the steel box body is composed of the steel box body, the concrete pouring holes and the steel bar holes which are formed in the upper surface and the lower surface of the steel box body, the flange steel plates which are arranged on the side edges of the steel box body and the steel beams which extend outwards, the whole structure is prefabricated in a factory, the building industrialization thought is met, and the implementation of energy conservation, environmental protection and green buildings is facilitated; through the mutually supporting between the above-mentioned structure, reduction field operation volume that can be very big, the regional on-the-spot welding operation that does not need of beam column node, only need pour core space concrete and can form, utilize the steel box body as the template, can exempt from form removal, it is very convenient to operate. Specifically, through setting up the steel box body, no longer need the formwork when node core space concrete placement. The beam column connecting node and the column body are prefabricated and manufactured in a factory respectively, are independently transported to a construction site for assembly, welding operation is not needed during assembly, construction quality is guaranteed, the beam column connecting node and the column body are transported respectively, and transportation efficiency is very high. In conclusion, the invention has the characteristics of convenient operation, small field welding amount and high transportation efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention in which the length of the steel beam of the overhanging section is greater than the length of the short beam;

FIG. 2 is a schematic structural view of the present invention with the same length of the overhanging section steel beam and the short beam;

FIG. 3 is a structural view of an assembled lotus root beam column;

FIG. 4 is a longitudinal column rib connection view between two adjacent fabricated lotus root beam columns;

fig. 5 is an assembly view between two adjacent assembled lotus root beam columns.

The labels in the figures are: the steel-made box body, the concrete pouring hole, the steel bar hole, the short steel beam, the overhanging section steel beam, the bolt connecting hole, the column body and the beam column connecting node are arranged in the steel-made box body 1, the concrete pouring hole 2, the steel bar hole 3, the short steel beam 4, the overhanging section steel beam 5, the bolt connecting hole 6, the column body 7 and the beam column 8.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Examples are given. An assembled RCS lotus root beam column connecting node structure is shown in figures 1-5 and comprises a steel box body 1, wherein concrete pouring holes 2 are formed in the upper surface of the steel box body 1, and steel bar holes 3 are formed in the upper surface and the lower surface of the steel box body 1; two symmetrical sides of steel box body 1 are equipped with short girder steel 4, still are equipped with overhanging section girder steel 5 on being located the 1 lateral wall of steel box body between two adjacent short girder steel 4.

When the assembled RCS lotus root column is a hollow column structure, the lower surface of the steel box body 1 is provided with concrete pouring holes 2 corresponding to each other.

The length of the overhanging section steel beam 5 is greater than, equal to or less than that of the short steel beam 4.

And bolt connecting holes 6 are formed in the short steel beam 4 and the overhanging section steel beam 5. The existing bolt connecting holes connected with the steel beam are used for installation and positioning.

The upper surface and the lower surface of the steel box body 1 are provided with shear keys, studs and/or rough surfaces. The bonding performance of the steel box body and the column concrete in the node area can be enhanced, and the shearing resistance bearing capacity is improved.

The inner wall surface of the steel box body 1 is also provided with a stiffening vertical plate and/or a stiffening transverse plate.

Four sides inside the steel box body 1 are provided with stiffening vertical plates or transverse plates.

An assembled RCS lotus root column comprises a column body 7, wherein the column body 7 is hollow or solid, and one end of the column body 7 is provided with a beam column connecting node 8; the beam column connecting node 8 is the assembly type RCS lotus root beam column connecting node.

When the column body is a solid column, the preparation method of the assembled RCS lotus root column comprises the following specific steps:

firstly, pouring to obtain a column body;

and secondly, mounting a beam-column connecting node structure at the upper end of the column body to obtain the assembled lotus root beam-column.

When the column body is a hollow column, the preparation method of the assembled lotus root column comprises the following specific steps:

firstly, binding to obtain a column steel reinforcement framework;

secondly, mounting the beam-column connection node structure at the upper end of the column steel reinforcement framework;

and thirdly, erecting a formwork on the column body steel reinforcement framework, pouring concrete and curing to obtain the assembled lotus root column.

The concrete pouring hole is used for pouring concrete of the column body; and the steel bar hole is used for connecting the column longitudinal steel bar after penetrating through with the upper-layer prefabricated column steel bar.

The assembling method of the adjacent assembled RCS lotus root columns comprises the following steps: and connecting the longitudinal column rib at the bottom of the last assembled RCS lotus root column with the longitudinal column rib at the top of the next assembled RCS lotus root column, then erecting a formwork at the longitudinal rib connecting section, and pouring concrete in the steel box body and the longitudinal rib connecting section to complete the assembling and mounting between the adjacent assembled RCS lotus root columns.

The other assembling method of the adjacent assembled RCS lotus root column comprises the following steps: and a connecting steel bar sleeve is embedded at the lower end of the upper section column, and the sleeve is connected with the steel bar in the upper section column. When the upper section column is hoisted, the upper section steel bar of the lower section column is inserted into the sleeve, and then grouting is carried out in the sleeve to complete the connection of the upper section column and the lower section column.

When the hollow column needs to be considered, the hollow column can greatly reduce the dead weight of the prefabricated column and reduce the hoisting load of the crane, and the renting price of the crane is increased along with the increase of the tonnage; the beam column body with the hollow column structure can be selected, and the tie mode of the stirrup in the column can be ensured.

The shape of the steel box in the node area can be adjusted according to actual conditions by using an armpit method of the short steel beam, such as an outer triangle, an arc plate or a ring plate.