CN212835964U

CN212835964U - Assembled middle beam column prestressing force node structure

Info

Publication number: CN212835964U
Application number: CN202020788070.9U
Authority: CN
Inventors: 安沁丽
Original assignee: Jiangsu Jianzhu Institute
Current assignee: Jiangsu Jianzhu Institute
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-30
Anticipated expiration: 2030-05-13

Abstract

The utility model provides an assembled middle part beam column prestressing force node structure, include: the PC structure column comprises a PC structure column 1, local superposed beams and prestressed steel bars, wherein the local superposed beams are respectively a superposed area and a non-superposed area, the height of the non-superposed area is lower than that of the superposed area, anchorage devices are installed on the non-superposed area, two local superposed beams are respectively installed on two sides of the top of a PC support column, and the prestressed steel bars are matched with the anchorage devices to stretch and fix the two local superposed beams. The utility model discloses rational in infrastructure, beam column node intensity is secure, and anti-seismic performance is strong.

Description

Assembled middle beam column prestressing force node structure

Technical Field

The utility model relates to a beam column nodal connection structure especially relates to an assembled middle part beam column prestressing force nodal structure.

Background

With the continuous development and progress of new building technologies and materials, prefabricated assembled buildings are widely used. In many countries where buildings are industrially developed, prefabricated building structures have been subjected to long-term experiments and applications, and modern prefabricated building products have been able to highly integrate various functions of buildings, and the forms and components of the buildings are very delicate. The construction requirement of China is large, the construction speed is high, and the prefabricated building is necessary to be developed, so that the requirement on the prefabricated structure node structure is higher and higher.

Disclosure of Invention

To the problem in the above-mentioned background art, the utility model provides an assembled middle part beam column prestressing force node structure, include: the PC structure column comprises a PC structure column, local superposed beams and prestressed steel bars, wherein the local superposed beams are respectively a superposed region and a non-superposed region, the height of the non-superposed region is lower than that of the superposed region, anchorage devices are installed on the non-superposed region, two local superposed beams are respectively installed on two sides of the top of the PC structure column, and the prestressed steel bars are matched with the anchorage devices to stretch and fix the two local superposed beams.

Furthermore, the two local superposed beams are respectively a first local superposed beam and a second local superposed beam, the first local superposed beam and the second local superposed beam are respectively horizontally arranged on two sides of the top of the PC structural column, a superposed region of the first local superposed beam is adjacent to a superposed region of the second local superposed beam, a first horizontally-penetrating prestressed steel bar is arranged in the first local superposed beam, a second horizontally-penetrating prestressed steel bar is arranged in the second local superposed beam, during field construction, the right end of the first prestressed steel bar penetrates through the superposed region of the second local superposed beam and simultaneously extends into the upper part of the non-superposed region and is tensioned and fixed by a second anchorage device on the non-superposed region, the left end of the second prestressed steel bar penetrates through the superposed region of the first local superposed beam and simultaneously extends into the upper part of the non-superposed region and is tensioned and fixed by a first anchorage device on the non-superposed region, and pouring and filling concrete above the non-overlapped area of the first partially-overlapped beam and the second partially-overlapped beam to enable the upper end surfaces of the first partially-overlapped beam and the second partially-overlapped beam to be flat.

Further, the first prestressed reinforcement and the second prestressed reinforcement are symmetrically arranged in a staggered mode relative to the PC structure column.

Further, the length of the non-overlapping area of the first partially-overlapped beam and the second partially-overlapped beam is 300-500 mm.

Furthermore, a horizontal through prestressed reinforcement channel is arranged at the overlapping area part of the partial overlapping beam and is positioned above the non-overlapping area.

Furthermore, the prestressed reinforcement channel is integrally formed when the local superposed beam is prefabricated.

Furthermore, the height difference between the non-overlapping area and the overlapping area on the partial overlapping beam is more than 40mm higher than the anchor device.

Compared with the prior art, the utility model provides an assembled middle part beam column prestressing force node structure has following beneficial effect:

the utility model discloses rational in infrastructure, beam column node intensity is secure, and anti-seismic performance is strong.

Description of the drawings:

fig. 1 is a schematic structural diagram of an assembled middle beam-column prestressed joint structure.

Wherein: 1-a PC structural column; 201-a first partially overlapping beam; 202-a second partially overlapping beam; 301-first pre-stressed steel bar; 302-second prestressed reinforcement; 401-a first anchor; 402-a second anchor; and 5, post-pouring concrete sections.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, and in order to describe the embodiments of the present invention in detail, the cross-sectional view showing the structure of the device will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present application are to be understood broadly, unless otherwise explicitly stated or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in the figure, the utility model provides an assembled middle part beam column prestressing force node structure, include: the composite structure comprises a PC structure column 1, local superposed beams and prestressed steel bars, wherein the local superposed beams are respectively a superposed region and a non-superposed region, the height of the non-superposed region is lower than that of the superposed region, the length of the non-superposed region is 300-500 mm, superposed regions on the local superposed beams are respectively provided with horizontally penetrating prestressed steel bar channels, the prestressed steel bar channels are positioned above the non-superposed region, anchorage devices are arranged on the non-superposed region, the two local superposed beams are respectively a first local superposed beam 201 and a second local superposed beam 202, the first local superposed beam 201 and the second local superposed beam are respectively and horizontally arranged on two sides of the top of the PC structure column 1, the superposed region of the first local superposed beam 201 is adjacent to the superposed region of the second local superposed beam 202, a horizontally penetrating first prestressed steel bar 301 is arranged in the first local superposed beam 201, a second prestressed reinforcement 302 horizontally penetrating through the second partially-superposed beam 202 is arranged in the second partially-superposed beam 202, during site construction, the right end of the first prestressed reinforcement 301 penetrates through a prestressed reinforcement channel of the second partially-superposed beam 202 and extends into the upper part of a non-superposed region and is fixed by a second anchorage 402 on the non-superposed region in a tensioning manner, the left end of the second prestressed reinforcement 302 penetrates through a prestressed reinforcement channel of the first partially-superposed beam 201 and extends into the upper part of the non-superposed region and is fixed by a first anchorage 401 on the non-superposed region in a tensioning manner, the first prestressed reinforcement 301 and the second prestressed reinforcement 302 are symmetrically arranged in a staggered manner relative to the PC structural column, a gap between the first partially-superposed beam 201 and the second partially-superposed beam 202 is cast by concrete to form a post-cast concrete section 5, and simultaneously, the concrete is used for filling the upper parts of the non-superposed regions of the first partially-superposed beam 201 and the second partially-superposed beam 202 to form the upper ends of the first partially-superposed beam 201 and the second partially-superposed beam 202 The surface is smooth.

Example 2

The utility model provides an assembled middle part beam column prestressing force node structure compares with embodiment 1, the prestressing steel passageway is in integrated into one piece when local superposed beams is prefabricated.

The rest of the structure is the same as that of embodiment 1.

Example 3

The utility model provides an assembled middle part beam column prestressing force node structure compares with embodiment 1, the difference in height ratio in non-coincide district and coincide district on the local coincide roof beam ground tackle height is more than 40 mm.

The rest of the structure is the same as that of embodiment 1.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an assembled middle part beam column prestressing force node structure which characterized in that includes: PC structure post (1), local coincide roof beam, prestressing steel, local coincide roof beam is coincide district and non-coincide district respectively, the height in non-coincide district is less than the height in coincide district, install the ground tackle on the non-coincide district, local coincide roof beam has two to be installed respectively the top both sides of PC structure post (1), prestressing steel with the ground tackle cooperation will two local coincide roof beam stretch-draw are fixed.

2. The fabricated middle beam-column prestressed joint structure of claim 1, wherein said two partially-overlapped beams are a first partially-overlapped beam (201) and a second partially-overlapped beam (202), said first partially-overlapped beam (201) and said second partially-overlapped beam are horizontally installed on both sides of the top of said PC structural column (1) respectively and the overlapping area of said first partially-overlapped beam (201) is adjacent to the overlapping area of said second partially-overlapped beam (202), a first horizontally-penetrating prestressed reinforcement (301) is installed in said first partially-overlapped beam (201), a second horizontally-penetrating prestressed reinforcement (302) is installed in said second partially-overlapped beam (202), when in site construction, the right end of said first prestressed reinforcement (301) penetrates the overlapping area of said second partially-overlapped beam (202) and simultaneously extends into the non-overlapping area and uses a second tensioning anchorage device (402) on the non-overlapping area to tension anchorage device, the left end of the second prestressed reinforcement (302) penetrates through the overlapped area of the first partially-overlapped beam (201) and simultaneously extends into the non-overlapped area, and is tensioned and fixed by a first anchorage device (401) on the non-overlapped area, a gap between the first partially-overlapped beam (201) and the second partially-overlapped beam (202) is cast into a post-cast concrete section (5) by concrete, and simultaneously, the non-overlapped area of the first partially-overlapped beam (201) and the second partially-overlapped beam (202) is cast and filled by concrete to enable the upper end surfaces of the first partially-overlapped beam (201) and the second partially-overlapped beam (202) to be flat.

3. The fabricated mid-beam column prestressed joint construction of claim 2, wherein said first prestressed reinforcement (301) and said second prestressed reinforcement (302) are staggered symmetrically about said PC structural column.

4. The fabricated mid-beam column prestressed joint construction as claimed in claim 2, wherein the length of the non-overlapping region of said first partially-overlapped beam (201) and said second partially-overlapped beam (202) is 300 mm-500 mm.

5. The fabricated middle beam-column prestressed joint construction of claim 1, wherein said partially-laminated beam has a laminated section with horizontally-extending prestressed reinforcement channels, said prestressed reinforcement channels being located above said non-laminated section.

6. The fabricated central beam-column prestressed joint construction of claim 5, wherein said prestressed reinforcement channel is integrally formed when said partially-laminated beam is prefabricated.

7. The fabricated middle beam-column prestressed joint structure of claim 1, wherein the height difference between non-overlapping and overlapping regions of said partially overlapping beams is greater than 40mm higher than said anchorage.