CN217460917U

CN217460917U - Assembled UHPC parcel type buckling restrained brace

Info

Publication number: CN217460917U
Application number: CN202221633472.7U
Authority: CN
Inventors: 郭建好; 宫海; 尹雷; 郭佳慧
Original assignee: Zhiju Fabricated Green Building Innovation Center Nantong Co ltd
Current assignee: Zhiju Fabricated Green Building Innovation Center Nantong Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-20
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses an assembled UHPC wrapped buckling restrained brace, which comprises a core plate, a cross-shaped end plate, anti-slip strips and an outer wrapped UHPC, wherein the core plate is arranged inside the outer wrapped UHPC, the cross-shaped end plate is arranged at the two ends of the core plate, and the anti-slip strips are respectively arranged at the middle position and the two sides of the core plate; outside parcel UHPC comprises two UHPC half plate modules, two rows of through-holes have been seted up in inside running through of UHPC half plate module, two UHPC half plate modules pass through the stock and connect fixedly, the through-hole is worn to locate by the stock, this utility model discloses rational in infrastructure, can realize prefabricated production, can transport the job site and install, need not to wait that the mill carries out the steel part and finishes the back grout maintenance and transport to the scene again, shorten the time limit for a project greatly and raise the efficiency, directly adopt outside parcel UHPC, there is not the steel outer sleeve, need not to carry out anticorrosive and fire prevention spraying.

Description

Assembled UHPC parcel type buckling restrained brace

Technical Field

The utility model relates to a building element technical field that the building field was used specifically is an assembled UHPC parcel type bucking restraint is supported.

Background

The buckling-restrained brace component is a lateral force resisting component with energy dissipation and shock absorption functions and generally comprises an inner core material component and a peripheral constraint component. The widely-applied buckling restrained brace in the market mostly adopts mild steel as a core material, and the peripheral restrained part is formed by filling concrete in a steel sleeve, so that the buckling restrained brace has the following problems: 1. and a grouting type constraint mechanism is adopted, so that the production of the steel sleeve and the core plate needs to be waited, and the construction period is long. 2. The external steel sleeve needs to be coated with fireproof and anticorrosive coatings, so that the working procedure, the construction period and the cost are increased. 3. Following the traditional construction process of design, production, maintenance, transportation, installation, prefabricated construction cannot be realized, and therefore, an improved technology is urgently needed to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembled UHPC parcel type bucking restraint is supported can realize prefabricated production, can transport the job site and install, need not to wait that the mill carries out the steel part and finishes the back grout maintenance and transport to the scene again, and reduction of erection time and raise the efficiency greatly directly adopt outside parcel UHPC, do not have the steel outer sleeve, need not to carry out anticorrosive and fire prevention spraying to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an assembled UHPC (ultra high performance concrete) wrapped buckling restrained brace comprises a core plate, cross-shaped end plates, anti-slip strips and an outer wrapped UHPC, wherein the core plate is arranged inside the outer wrapped UHPC along the length direction, the cross-shaped end plates are arranged at two ends of the core plate, one end, close to the core plate, of each cross-shaped end plate is arranged inside the outer wrapped UHPC, one end, far away from the core plate, of each cross-shaped end plate is located outside the outer wrapped UHPC, and the anti-slip strips are arranged at the middle position and two sides of the core plate respectively;

the outer wrapping UHPC is composed of two UHPC half-plate body modules, two rows of through holes are formed in the UHPC half-plate body modules in a penetrating mode, the two UHPC half-plate body modules are fixedly connected through anchor rods, and the anchor rods penetrate through the through holes.

Preferably, the utility model provides a pair of assembled UHPC parcel type bucking restraint is supported, wherein, the core mounting groove has been seted up to UHPC half plate body module one side, the core matches with the core mounting groove and merges the card and locate in the core mounting groove to realize the installation of core, and guarantee the stability of core.

Preferably, the utility model provides a pair of assembled UHPC parcel type bucking restraint is supported, wherein, the antislip strip mounting groove has still been seted up to the intermediate position that UHPC half plate body module is located the core mounting groove, the antislip strip matches with the antislip strip mounting groove and merges the card and locates in the antislip strip mounting groove to guarantee the installation of antislip strip, and guarantee the stability of antislip strip, antislip strip and core welding are connected with the realization antislip strip and core.

Preferably, the utility model provides a pair of assembled UHPC parcel type bucking restraint is supported, wherein, the cross slot has still been seted up at the both ends that UHPC semi-plate body module is located the core mounting groove, the cross slot is arranged perpendicularly with the core mounting groove, the cross end plate includes core extension section and diaphragm, the diaphragm has two and has just welded perpendicularly respectively in the both sides of core extension section, core extension section and core structure as an organic whole just set up in the tip of core, the diaphragm matches with the cross slot and merges the card and locates in the cross slot to realize the installation of diaphragm, and guarantee the stability of diaphragm.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the UHPC half-plate module can realize prefabricated production, can be transported to a construction site for installation, does not need to be transported to the site after grouting maintenance after the steel part is produced in a factory, greatly shortens the construction period and improves the efficiency.

(2) UHPC is directly wrapped outside, no steel outer sleeve is arranged, and corrosion prevention and fireproof spraying are not needed.

(3) If the support is applied to the interior of the wall body, the UHPC concrete material has an expansion coefficient similar to that of the main structure of the wall body, and no extra treatment is needed.

Drawings

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

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at the point marked A-A;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at the point marked B-B;

FIG. 6 is an enlarged view of the structure of FIG. 3 indicated by the symbol C-C;

FIG. 7 is a schematic view of the UHPC half-plate module structure.

In the figure: core 1, cross end plate 2, antislip strip 3, UHPC half plate body module 4, through-hole 5, stock 6, core mounting groove 7, antislip strip mounting groove 8, horizontal groove 9, core extension 201, diaphragm 202.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

it should be noted that, in the description of the present invention, it is to be noted that the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the present invention, and 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.

Referring to fig. 1-7, the present invention provides a technical solution: an assembled UHPC (ultra high performance concrete) wrapped buckling restrained brace comprises a core plate 1, a cross-shaped end plate 2, anti-slip strips 3 and an outer wrapped UHPC, wherein the core plate 1 is arranged inside the outer wrapped UHPC along the length direction, the cross-shaped end plates 2 are arranged at two ends of the core plate 1, one end, close to the core plate 1, of each cross-shaped end plate 2 is arranged inside the outer wrapped UHPC, one end, far away from the core plate 1, of each cross-shaped end plate 2 is located outside the outer wrapped UHPC, and the anti-slip strips 3 are respectively arranged at the middle position and two sides of the core plate 1; the outer package UHPC is composed of two UHPC half plate body modules 4, two rows of through holes 5 are arranged in the UHPC half plate body modules 4 in a penetrating way, the two UHPC half plate body modules 4 are fixedly connected through anchor rods 6, the anchor rods 6 penetrate through the through holes 5, one side of the UHPC half plate body module 4 is provided with a core plate mounting groove 7, the core plate 1 is matched with the core plate mounting groove 7 and clamped in the core plate mounting groove 7, the UHPC half plate body module 4 is also provided with an anti-slip strip mounting groove 8 at the middle position of the core plate mounting groove 7, the anti-slip strip 3 is matched with the anti-slip strip mounting groove 8 and clamped in the anti-slip strip mounting groove 8, the anti-slip strip 3 is welded with the core plate 1, the UHPC half plate body modules 4 are also provided with transverse grooves 9 at two ends of the core plate mounting groove 7, the transverse grooves 9 are arranged vertically to the core plate mounting groove 7, the cross-shaped end plate 2 comprises a core plate extending section 201 and a transverse plate 202, two transverse plates 202 are respectively and are vertically welded at two sides of the core plate extending section 201, the core plate extension 201 and the core plate 1 are of an integral structure and are arranged at the end part of the core plate 1, and the transverse plate 202 is matched with the transverse groove 9 and is clamped in the transverse groove 9.

The processing method and the use principle are as follows: two UHPC half-plate body modules 4 are directly obtained after molding by pouring high-strength concrete raw materials into a mold, and a core plate mounting groove 7, an anti-slip strip mounting groove 8 and a transverse groove 9 are reserved in each UHPC half-plate body module 4. The cross plates 202 are welded on two sides of the core plate extending section 201 at two ends of the core plate 1 respectively to obtain a cross end plate 2, two anti-slip strips 3 are welded at the middle positions of two sides of the core plate 1 respectively, then one UHPC half plate body module 4 is laid down, the core plate 1 and the anti-slip strips 3 are placed in the core plate mounting groove 7 and the anti-slip strip mounting groove 8, at the moment, the cross plates 202 are located in the transverse grooves 9, the other UHPC half plate body module 4 is covered on the laid UHPC half plate body module 4, and after the two UHPC half plate body modules 4 are connected through the anchor rods 6, the assembled UHPC wrapped buckling restrained brace is obtained. The utility model has reasonable structure, the UHPC half-plate module 4 can realize prefabricated production, the prefabricated UHPC half-plate module 4 can be transported to a construction site for installation, grouting maintenance is not needed to wait for a factory to finish the production of the steel part and then transported to the site, the construction period is greatly shortened and the efficiency is improved; UHPC is directly wrapped outside, no steel outer sleeve is arranged, and corrosion prevention and fireproof spraying are not needed; if the support is applied to the interior of the wall body, the UHPC concrete material has an expansion coefficient similar to that of the main structure of the wall body, and no extra treatment is needed.

The details of the present invention are not described in detail, but are well known to those skilled in the art.

Finally, it is to 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 examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and 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 UHPC parcel type buckling restrained brace which characterized in that: the anti-skid device comprises a core plate (1), cross-shaped end plates (2), anti-skid strips (3) and an outer package UHPC, wherein the core plate (1) is arranged inside the outer package UHPC along the length direction, the cross-shaped end plates (2) are arranged at two ends of the core plate (1), one end of each cross-shaped end plate (2) close to the core plate (1) is arranged inside the outer package UHPC, one end of each cross-shaped end plate (2) far away from the core plate (1) is located outside the outer package UHPC, and the anti-skid strips (3) are respectively arranged at the middle position and two sides of the core plate (1);

the outer wrapping UHPC is composed of two UHPC half-plate body modules (4), two rows of through holes (5) are formed in the UHPC half-plate body modules (4) in a penetrating mode, the two UHPC half-plate body modules (4) are fixedly connected through anchor rods (6), and the anchor rods (6) penetrate through the through holes (5).

2. The assembled UHPC-wrapped buckling-restrained brace of claim 1, wherein: a core plate mounting groove (7) is formed in one side of the UHPC half-plate body module (4), and the core plate (1) is matched with the core plate mounting groove (7) and clamped in the core plate mounting groove (7).

3. The fabricated UHPC-wrapped buckling-restrained brace of claim 1, wherein: the UHPC half-plate body module (4) is positioned in the middle of the core plate mounting groove (7) and is further provided with an anti-slip strip mounting groove (8), the anti-slip strip (3) is matched with the anti-slip strip mounting groove (8) and clamped in the anti-slip strip mounting groove (8), and the anti-slip strip (3) is welded with the core plate (1).

4. The assembled UHPC-wrapped buckling-restrained brace of claim 1, wherein: both ends that UHPC semi-plate body module (4) are located core board mounting groove (7) have still seted up horizontal groove (9), horizontal groove (9) are arranged with core board mounting groove (7) are perpendicular, cross end plate (2) are including core board extension section (201) and diaphragm (202), diaphragm (202) have two and respectively perpendicular welding in the both sides of core board extension section (201), core board extension section (201) and core board (1) are structure and set up in the tip of core board (1) as an organic whole, diaphragm (202) match with horizontal groove (9) and merge the card and locate in horizontal groove (9).