CN217232309U

CN217232309U - Vertical connecting structure of prefabricated concrete wall horizontally extending out of reinforcement and stirrup

Info

Publication number: CN217232309U
Application number: CN202220878088.7U
Authority: CN
Inventors: 刘东邦; 陈弘毅; 吴鸿鹏
Original assignee: Shanghai Xingbang Building Technology Co ltd
Current assignee: Shanghai Xingbang Building Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-19
Anticipated expiration: 2032-04-15

Abstract

The utility model provides a vertical connection structure of a horizontally extending reinforcement and a stirrup of a precast concrete wall, which comprises a wallboard body, wherein a plurality of groups of horizontal reinforcement assemblies are respectively arranged on the left side surface and the right side surface of the wallboard body, and all the horizontal reinforcement assemblies on each side are sequentially arranged at intervals along the up-down direction of the wallboard body; the horizontal steel bar assembly comprises a first steel bar and a second steel bar, the first steel bar and the second steel bar are arranged at intervals along the front-back direction of the wallboard body, a bending section is fixedly arranged at the end part of the first steel bar, one end of the bending section is intersected with the end part of the first steel bar, a first bending part is fixedly arranged at the other end of the bending section, one end of the first bending part is intersected with the other end of the bending section, a second bending part is fixedly arranged at the end part of the second steel bar, and one end of the second bending part is intersected with the end part of the second steel bar; through buckling, the side of first reinforcing bar, bending segment, second reinforcing bar and wallboard body can form a closed hoop. The stirrup material can be saved, the construction cost is reduced, and the construction efficiency is improved.

Description

Vertical connecting structure of prefabricated concrete wall horizontally extending out of reinforcement and stirrup

Technical Field

The utility model relates to a building structure designs technical field, especially relates to a precast concrete wall level stretches out vertical joint construction of muscle and stirrup.

Background

With the introduction of housing industrialization, building industrialization, and the call for building energy-saving and environment-friendly buildings, the prefabricated concrete structure begins to be popularized and applied nationwide.

At present, when the vertical connecting member of the prefabricated concrete shear wall in the prior art is connected with the main reinforcement of the structural edge member, extra stirrups need to be arranged at the connecting nodes, so that the construction difficulty is high, time and labor are wasted, and materials are wasted.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a vertical joint construction of muscle and stirrup is stretched out to precast concrete wall level for solve the vertical connecting element of assembled precast concrete shear force wall among the prior art when being connected with the main muscle of structure edge component, especially two adjacent vertical connecting element of assembled precast concrete shear force wall with be located between the two when constructing edge component main muscle and be connected, need additionally arrange the stirrup, lead to the construction degree of difficulty great, waste time and energy, and the problem of extravagant material.

In order to achieve the above and other related purposes, the utility model provides a vertical connection structure of a horizontally extending and hooping bar of a precast concrete wall, which comprises a wall plate body, wherein a plurality of groups of horizontal steel bar assemblies are respectively arranged on the left side and the right side of the wall plate body, and all the horizontal steel bar assemblies on each side are sequentially arranged at intervals along the up-down direction of the wall plate body; the horizontal steel bar assembly comprises a first steel bar and a second steel bar, the first steel bar and the second steel bar are arranged at intervals along the front and back direction of the wallboard body, a bending section is fixedly arranged at the end part of the first steel bar, one end of the bending section is intersected with the end part of the first steel bar, a first bending part is fixedly arranged at the other end of the bending section, one end of the first bending part is intersected with the other end of the bending section, a second bending part is fixedly arranged at the end part of the second steel bar, and one end of the second bending part is intersected with the end part of the second steel bar; when the bending section is integrally bent to a set position, and the second bending part is integrally bent to a set position, the first steel bar, the bending section, the second steel bar and the side face of the wallboard body can form a closed hoop, and the first bending part and the second bending part are located inside the closed hoop.

Preferably, the first reinforcing steel bar and the second reinforcing steel bar are parallel and in the same horizontal plane.

Preferably, the length of the bending section is the same as the distance between the first reinforcing bar and the second reinforcing bar.

Preferably, the first steel bar extends along the left-right direction, the bending section extends along the up-down direction, an included angle between the first bending part and the bending section is 45 degrees, and the other end of the first bending part extends towards the direction close to the wall panel body; the second reinforcing bar extends along the left-right direction, the included angle between the second bent part and the second reinforcing bar is 45 degrees, and the other end of the second bent part extends towards the direction close to the wallboard body

Preferably, the bending section extends vertically upwards and is perpendicular to the first steel bar.

Preferably, the bending section and the first bending part are located in the same vertical plane, and the second bending part and the second steel bar are located in the same vertical plane.

Preferably, the first reinforcing steel bars or the second reinforcing steel bars in the two groups of horizontal reinforcing steel bar assemblies which are adjacent up and down are arranged in a staggered mode in the front-back direction of the wallboard body.

Preferably, the wallboard body comprises a first section and a second section, and a sleeve embedded part is embedded in the second section; all the horizontal steel bar assemblies in the first section are sequentially and uniformly arranged at intervals at a first distance along the up-down direction of the wallboard body, and all the horizontal steel bar assemblies in the second section are sequentially and uniformly arranged at intervals at a second distance along the up-down direction of the wallboard body; the second distance is less than the first distance.

As described above, the utility model discloses a precast concrete wall level stretches out the vertical joint construction of muscle and stirrup, has following beneficial effect: during construction, a first steel bar and a second steel bar in a horizontal steel bar assembly on the vertical connecting structure are firstly broken to the outside for a certain distance, so that a gap between the first steel bar and the second steel bar is enlarged, then the vertical connecting structure is lifted to vertically fall from the upper part of a main bar of a structural edge member and is sleeved outside the main bar of the structural edge member, and after the vertical connecting structure is placed in place, the first steel bar and the second steel bar are broken to the inside for resetting, so that the installation of another vertical connecting structure is avoided being interfered; then the first steel bar and the second steel bar in the horizontal steel bar component at the side of the other vertical connecting structure adjacent to the vertical connecting structure are also bent outwards for a certain distance, the gap between the first steel bar and the second steel bar is enlarged, then the first steel bar and the second steel bar are sleeved outside the main bar of the structural edge member, after the vertical connecting structures of the two prefabricated concrete walls horizontally extending out of the bars and the stirrups are placed, the bending section and the second bending section are sequentially bent to the set position, so that the first steel bar, the bending section, the second steel bar and the side of the wall plate body form a closed hoop, namely, the main bar of the structural edge member is closed and enclosed in the closed hoop, and the first bending section and the second bending section are positioned in the closed hoop (the anchoring strength between the closed hoop and the concrete can be enhanced). A precast concrete wall level stretches out a closed hoop that a set of horizontal reinforcement subassembly of the vertical joint construction of muscle and stirrup made up into, stretch out a set of horizontal reinforcement subassembly of the vertical joint construction of muscle and stirrup with adjacent precast concrete wall level and make up into another closed hoop, two closed hoops overlap together and overlap the outside of the structure edge component main muscle that is located between this two adjacent precast concrete wall level stretch out the vertical joint construction of muscle and stirrup, make up a combination stirrup jointly and be used for replacing the stirrup of required configuration when on-the-spot horizontal reinforcement subassembly is connected with structure edge component main muscle. Compared with the prior art, the utility model discloses a when the precast concrete wall level stretches out the vertical joint construction of muscle and stirrup, no longer need use extra stirrup to connect when two adjacent precast concrete wall levels stretch out the vertical joint construction of muscle and stirrup and lie in the structure edge member main muscle between the two and connect, save the time of arranging the stirrup in the work progress, and reduced the degree of difficulty of construction, construction efficiency has been improved by a wide margin, the use of material has been practiced thrift simultaneously, construction cost is reduced.

Drawings

Fig. 1 is the utility model provides a precast concrete wall level stretches out the first view of the vertical joint construction of muscle and stirrup.

Fig. 2 is the utility model provides a precast concrete wall level stretches out the second view of the vertical joint construction of muscle and stirrup.

Fig. 3 is the utility model provides a when two adjacent precast concrete wall levels stretch out the vertical joint construction of muscle and stirrup.

Fig. 4 is an enlarged view of a point a in fig. 3.

Fig. 5 is the utility model provides a during construction of the vertical connection structure that the precast concrete wall level of edge stretched out muscle and stirrup.

Fig. 6 is an enlarged view at B in fig. 5.

Element number description:

1 wallboard body

12 horizontal steel bar assembly

121 first reinforcing bar

122 second reinforcing bar

1211 bend section

1212 first bending part

1221 second bend

101 first section

102 second section

100 closed hoop

200 construction of edge Member Main Ribs

120 combined stirrup

300 lacing wire

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used herein to indicate orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and to simplify the description, but not to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Please refer to fig. 1 to 6. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

The utility model provides a vertical connection structure of a prefabricated concrete wall horizontal extending bar and stirrup, as shown in figure 1, the vertical connection structure of the prefabricated concrete wall horizontal extending bar and stirrup comprises a wall panel body 1, a plurality of groups of horizontal steel bar assemblies 12 are arranged on the left and right side surfaces of the wall panel body 1, all the horizontal steel bar assemblies 12 on each side are arranged at intervals along the up and down direction of the wall panel body 1, concretely, the horizontal steel bar assemblies 12 comprise a first steel bar 121 and a second steel bar 122, the first steel bar 121 and the second steel bar 122 are arranged at intervals along the front and back direction of the wall panel body 1, a bending section 1211 is fixed at the end part of the first steel bar 121, one end of the bending section 1211 is intersected with the end part of the first steel bar 121, a first bending part 1212 is fixed at the other end of the bending section 1211, one end of the first bending part 1212 is intersected with the other end of the bending section 1211, a second bent portion 1221 is fixedly disposed at an end of the second reinforcing bar 122, and one end of the second bent portion 1221 intersects with the end of the second reinforcing bar 122. After the bending section 1211 and the second bending section 1221 are integrally bent to the set position, the first reinforcing bar 121, the bending section 1211, the second reinforcing bar 122 and the side surface of the wall panel body 1 can form a closed hoop 100, and the first bending portion 1212 and the second bending portion 1221 are located inside the closed hoop 100.

Specifically, in order to simplify the process for manufacturing the vertical connection structure of the horizontally extending precast concrete wall tendon and stirrup, it is preferable that in this embodiment, the bending section 1211 is formed by bending the end of the first steel bar 121, the first bending section 1212 is formed by bending the end of the bending section 1211, and the second bending section 1221 is formed by bending the end of the second steel bar 122. It should be noted that, in this embodiment, the first reinforcing bars 121 corresponding to the left and right sides of the wall panel body 1 are a whole, and the second reinforcing bars 122 corresponding to the left and right sides of the wall panel body 1 are a whole, that is, the middle portions of the first reinforcing bars 121 are embedded in the wall panel body 1, two ends of the first reinforcing bars 121 respectively extend out from the left and right sides of the wall panel body 1, the middle portions of the second reinforcing bars 122 are embedded in the wall panel body 1, and two ends of the second reinforcing bars 122 respectively extend out from the left and right sides of the wall panel body 1.

Specifically, in order to make the closed hoop 100 formed by the first and

second reinforcing bars

121 and 122 and the side surface of the wall panel body 1 more regular, the closed hoop 100 is stressed more uniformly. Preferably, in this embodiment, the first reinforcing bars 121 and the second reinforcing bars 122 are disposed in parallel at intervals along the front-back direction of the wall panel body 1 and are located in the same horizontal plane, the bending section 1211 is formed by vertically bending the end portion of the first reinforcing bar 121 upwards, that is, the bending section 1211 is perpendicular to the first reinforcing bar 121 and vertically extends upwards, the first bending portion 1212 is formed by vertically bending the end portion of the bending section 1211 downwards, an included angle between the first bending portion 1212 and the bending section 1211 is 45 °, the other end of the first bending portion 1212 extends towards the direction close to the wall panel body 1, the second bending portion 1221 is formed by vertically bending the end portion of the second reinforcing bar 122 upwards, an included angle between the second bending portion 1221 and the second reinforcing bar 122 is 45 °, and the other end of the second bending portion 1221 extends towards the direction close to the wall panel body 1. After bending, the length of the first steel bar 121 in the horizontal direction is the same as the length of the second steel bar 122 in the horizontal direction, the length of the bending section 1211 is the same as the distance between the first steel bar 121 and the second steel bar 122, the bending section 1211 and the first bending portion 1212 are in the same vertical plane, and the second bending portion 1221 and the second steel bar 122 are in the same vertical plane. Through the above structural design, when assembling and connecting, the bending section 1211 and the second bending part 1221 can be integrally bent in opposite directions by 90 °, that is, the bending section 1211 is integrally bent by 90 ° in a direction close to the second bending part 1221, and the second bending part 1221 is integrally bent by 90 ° in a direction close to the bending section 1211, so that the first steel bar 121, the bending section 1211, the second steel bar 122 and the side surface of the wall panel body 1 can be combined into the closed hoop 100, and the bending operation is convenient and efficient.

Further, in order to make this precast concrete wall level stretch out vertical joint structure and the structure edge member owner muscle junction atress of muscle and stirrup more even, preferred, as shown in fig. 1 and fig. 2, in this embodiment, first reinforcing bar 121 among two adjacent horizontal reinforcement subassemblies 12 is along the crisscross setting of the fore-and-aft direction of wallboard body 1 from top to bottom, or, second reinforcing bar 122 among two adjacent horizontal reinforcement subassemblies 12 is along the crisscross setting of the fore-and-aft direction of wallboard body 1 from top to bottom.

Further, as shown in fig. 2, the wall panel body 1 is divided into two sections, that is, the upper portion of the wall panel body 1 is a first section 101, and all the horizontal reinforcing steel bar assemblies 12 in the first section 101 are sequentially and uniformly spaced at a first distance along the up-down direction of the wall panel body 1; the lower portion of the wall panel body 1 is the second section 102, and since a sleeve embedded part (which is a structural requirement in the prior art) is embedded in the lower portion of the wall panel body, i.e. the second section 102, in order to enhance the connection strength of the intersection region of the horizontal rebar assemblies and the sleeve embedded part located in the second section 102, it is preferable that, in this embodiment, all the horizontal rebar assemblies 12 located in the second section 102 are uniformly spaced at a second distance in the up-down direction of the wall panel body 1, where the second distance is smaller than the first distance, i.e. the horizontal rebar assemblies in the unit area of the lower second section 102 of the wall panel body 1 are more than the horizontal rebar assemblies in the unit area of the first section. Preferably, since the distance between the upper and lower horizontal reinforcement assemblies 12 in the second section 102 is small, in order to avoid the mutual influence between the upper and lower adjacent horizontal reinforcement assemblies when bending the first reinforcement 121 and the second reinforcement 122, in this embodiment, the upper and lower adjacent first reinforcement 121 and second reinforcement 122 in the second section 102 may be offset back and forth.

During on-site construction, as shown in fig. 3 and 4, during assembly and connection, first, the first steel bars 121 and the second steel bars 122 in the horizontal steel bar assemblies on the vertical connection structures of the horizontally extending steel bars and stirrups of the precast concrete wall are pulled outwards for a certain distance to enlarge gaps between the first steel bars 121 and the second steel bars 122, then the vertical connection structures are lifted to vertically fall from the upper parts of the main bars 200 of the structural edge members and are sleeved outside the main bars 200 of the structural edge members, and after the vertical connection structures are placed in place, the first steel bars and the second steel bars are pulled inwards to reset, so that the interference in installation of another vertical connection structure is avoided; then, the first steel bar and the second steel bar in the horizontal steel bar assembly at the side of the vertical connection structure of another precast concrete wall horizontally extending out of the reinforcement and stirrup adjacent to the vertical connection structure are bent outward by a certain distance to enlarge the gap between the first steel bar and the second steel bar, and then sleeved outside the main reinforcement 200 of the structural edge member, after the vertical connection structure of the horizontally extending out of the reinforcement and stirrup of the precast concrete wall is placed in place, the first steel bar and the second steel bar are also bent inward to be reset to the original gap distance, after the vertical connection structures of the horizontally extending out of the reinforcement and stirrup of the two precast concrete walls are placed, the whole bending section 1211 at the end of the first steel bar 121 is bent by 90 degrees in the direction close to the second bending section 1221, and the whole second bending section 1221 at the end of the second steel bar 122 is bent by 90 degrees in the direction close to the bending section 1211 (namely, the whole bending section 1221 is equivalent to the whole first steel bar, the second steel bar is twisted, The second steel bar rotates 90 degrees, the first steel bar and the second steel bar form a spiral shape, so that the strength of the first steel bar and the second steel bar can be enhanced), so that the first steel bar 121, the vertical section 1211, the second steel bar 122 and the side surface of the wall board body 1 form a closed hoop 100, namely, the main bar 200 of the structure edge component is closed and enclosed in the closed hoop 100, the first bending part 1212 and the second bending part 1221 are positioned in the closed hoop (the anchoring strength between the closed hoop and concrete can be enhanced through the design), one closed hoop 100 formed by combining a group of horizontal steel bar assemblies of the vertical connecting structure of the horizontally extending bar and stirrup of one precast concrete wall is combined with a group of horizontal steel bar assemblies of the vertical connecting structure of the horizontally extending bar and stirrup of the other precast concrete wall is combined into the other closed hoop 100, and the two closed hoops 100 are overlapped together and sleeved on the vertical connecting structure of the horizontally extending bar and stirrup of the two adjacent precast concrete walls The outer portions of the structural edge member main bars 200 in between are combined together into a combined stirrup 120 to replace the stirrup required to be deployed when the horizontal rebar assembly is connected to the structural edge member main bars in the field. Finally, the construction edge member main reinforcements 200 are bound to the built-up stirrups 120 by means of steel wires. Compared with the prior art, the utility model discloses a precast concrete wall level stretches out the vertical joint construction of muscle and stirrup when the construction, two adjacent precast concrete wall levels stretch out the vertical joint construction of muscle and stirrup no longer need use extra stirrup to be connected when being connected with the structure edge member main reinforcement 200 that is located between the two, save the time of arranging the stirrup in the work progress, and reduced the degree of difficulty of construction, the efficiency of construction has been improved by a wide margin, the use of material has been practiced thrift simultaneously, construction cost is reduced.

In this embodiment, for the vertical connection structure of the prefabricated concrete wall horizontally extending out of the reinforcement and stirrup at the edge, as shown in fig. 5 and 6, a tie bar 300 is disposed on each group of horizontal reinforcement assemblies 12 and on one side close to the wall panel body 1, then the first reinforcement 121 and the second reinforcement 122 in the horizontal reinforcement assemblies 12 are bent to form a combined stirrup 120 together with the tie bar 300 to replace the stirrup required on site, and finally the main reinforcement 200 of the edge member is bound on the combined stirrup 120 through steel wires.

To sum up, the utility model discloses a vertical joint construction that precast concrete wall level stretched out muscle and stirrup can save the stirrup material in the work progress, reduces construction cost, has reduced the degree of difficulty and the construction volume of construction simultaneously, has improved the efficiency of construction by a wide margin. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. The utility model provides a precast concrete wall level stretches out vertical joint construction of muscle and stirrup which characterized in that includes: the wall plate comprises a wall plate body, wherein a plurality of groups of horizontal steel bar assemblies are respectively arranged on the left side surface and the right side surface of the wall plate body, and all the horizontal steel bar assemblies on each side are sequentially arranged at intervals along the up-down direction of the wall plate body;

the horizontal steel bar assembly comprises a first steel bar and a second steel bar, the first steel bar and the second steel bar are arranged at intervals along the front and back direction of the wallboard body, a bending section is fixedly arranged at the end part of the first steel bar, one end of the bending section is intersected with the end part of the first steel bar, a first bending part is fixedly arranged at the other end of the bending section, one end of the first bending part is intersected with the other end of the bending section, a second bending part is fixedly arranged at the end part of the second steel bar, and one end of the second bending part is intersected with the end part of the second steel bar;

when the bending section is integrally bent to a set position, and the second bending part is integrally bent to a set position, the first steel bar, the bending section, the second steel bar and the side surface of the wallboard body can form a closed hoop, and the first bending part and the second bending part are positioned inside the closed hoop.

2. A vertical joint construction of a horizontally extending reinforcement and stirrup for precast concrete wall according to claim 1, wherein said first reinforcement and said second reinforcement are parallel and at the same level.

3. The vertical connection structure of a horizontally extending reinforcement and stirrup for a precast concrete wall according to claim 2, wherein the length of the bent section is the same as the distance between the first reinforcement and the second reinforcement.

4. The vertical connection structure of a horizontally extending reinforcement and stirrup for a precast concrete wall according to any one of claims 1 to 3, wherein the first reinforcement extends in the left-right direction, the bent section extends in the up-down direction, the included angle between the first bent portion and the bent section is 45 °, and the other end of the first bent portion extends in the direction close to the wall panel body; the second reinforcing bar extends along left and right directions, the second kink with contained angle between the second reinforcing bar is 45, just the other end of second kink extends to the direction that is close to the wallboard body.

5. A horizontally extending stirrup and stirrup vertical connection structure for precast concrete walls according to claim 4, wherein said bent section extends vertically upward and perpendicular to said first reinforcing bars.

6. The vertical connection structure of a horizontally extending reinforcement and stirrup for precast concrete wall according to claim 5, wherein the bent section and the first bent section are located in the same vertical plane, and the second bent section and the second reinforcement are located in the same vertical plane.

7. The vertical connection structure of a horizontally extending reinforcement and stirrup for precast concrete walls according to claim 1, wherein the first reinforcement or the second reinforcement of two adjacent sets of the horizontal reinforcement assemblies are staggered in the front-rear direction of the wall panel body.

8. The vertical connection structure of a horizontally extending and hooping precast concrete wall of claim 1, wherein the wall panel body comprises a first section and a second section, and a sleeve embedded part is embedded in the second section; all the horizontal steel bar assemblies in the first section are sequentially and uniformly arranged at intervals at a first distance along the up-down direction of the wallboard body, and all the horizontal steel bar assemblies in the second section are sequentially and uniformly arranged at intervals at a second distance along the up-down direction of the wallboard body; the second distance is less than the first distance.