CN217379963U - Prefabricated post of assembled and connected node thereof - Google Patents
Prefabricated post of assembled and connected node thereof Download PDFInfo
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- CN217379963U CN217379963U CN202221393720.5U CN202221393720U CN217379963U CN 217379963 U CN217379963 U CN 217379963U CN 202221393720 U CN202221393720 U CN 202221393720U CN 217379963 U CN217379963 U CN 217379963U
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Abstract
The utility model relates to a prefabricated post of assembled and connected node thereof, including the post body, the post body is prefabricated concrete structure, and the post body is equipped with and indulges muscle and stirrup, and the upper portion of indulging the muscle stretches out beyond the top of post body to stretch into the cast-in-place node district at post body top when the assembly, the lower part of indulging the muscle is buckled the back and is stretched out beyond the bottom of post body to the inside of post body, and the stirrup hoop is established on the muscle that indulges that is located post body inside. The utility model discloses can solve the prefabricated post connected node of assembled construction quality poor, the low problem of construction precision.
Description
Technical Field
The utility model relates to an assembled structure technical field, more specifically relates to a prefabricated post of assembled and connected node thereof.
Background
At present, the wide application of the fabricated structure in China is an important line for promoting the development of the fabricated building and realizing the industrialization of the building industry, and compared with the original cast-in-place concrete structure, the fabricated structure has the advantages of stable quality, high construction efficiency, less total construction cost of projects and reduction of the pollution to the environment. In the prefabricated post that has at present, the connected mode between the assembled concrete post mainly adopts grout muffjoint and anchor paste overlap joint, perhaps increases shaped steel connecting piece in the node again in order to realize connecting, and above-mentioned several kinds of connected modes construction cost increase, construction process are complicated, and the construction precision is difficult to guarantee, and construction back node quality detects the difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming above-mentioned prior art's at least one defect (not enough), provide a prefabricated post of assembled and connected node for solve the prefabricated post connected node of assembled problem that construction quality is poor, construction precision is low.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides a prefabricated post of assembled, including the post body, the post body is precast concrete structure, the post body is equipped with vertical muscle and stirrup, stretch out on the upper portion of vertical muscle outside the top of post body to stretch into when the assembly the cast-in-place node district at post body top, the lower part of vertical muscle to stretch out after buckling the inside of post body outside the bottom of post body, the stirrup hoop is established and is located inside the post body on the vertical muscle.
Optionally, the length of the lower part of the longitudinal rib extending out of the bottom of the column body is greater than or equal to the minimum length meeting the anchoring requirement of the longitudinal rib.
Optionally, the length of the upper portion of the longitudinal rib extending out of the top of the column body is the sum of the height of the cast-in-place node area and the anchoring length of the longitudinal rib, and the anchoring length of the longitudinal rib is greater than or equal to the minimum length meeting the anchoring requirement of the longitudinal rib.
In a second aspect, the utility model provides an assembled prefabricated column connection node, which comprises an upper prefabricated column and a lower prefabricated column, wherein the upper prefabricated column and the lower prefabricated column are the assembled prefabricated columns;
a cast-in-place node area is arranged between the upper-layer prefabricated column and the lower-layer prefabricated column, the cast-in-place node area is of a cast-in-place concrete structure, and the upper parts of longitudinal ribs of the lower-layer prefabricated column extend into the cast-in-place node area and extend out of the top of the cast-in-place node area;
hoops of the lower-layer prefabricated column are hooped on the part of the lower-layer prefabricated column longitudinal bar inside the lower-layer prefabricated column body and the part extending into the cast-in-place node area;
the prefabricated post of lower floor that stretches out cast-in-place node district top the periphery of muscle is equipped with the template, the template with the top surface in cast-in-place node district forms the watering space, the watering space is watered and has concrete mortar, the part that the muscle stretches out the post body bottom is indulged to the prefabricated post of upper strata and the part that the muscle stretches out cast-in-place node district top stretches into concrete mortar to the muscle of indulging of prefabricated post of lower floor.
Optionally, the inside in watering space is equipped with shear steel, shear steel hoop locates the longitudinal reinforcement of upper prefabricated post stretches into the part in watering space, perhaps, hoop locates the longitudinal reinforcement of lower floor's prefabricated post stretches into the part in watering space.
Optionally, the formwork is placed on top of the cast-in-place node zone.
Optionally, the outer side of the formwork is flush with the outer side of the upper precast column body, and the formwork is of a concrete structure.
Optionally, the inner side of the formwork is flush with the inner side of the upper-layer prefabricated column body, and the formwork is an aluminum formwork or a wood formwork.
Optionally, the height of the formwork is the sum of the anchoring length of the longitudinal rib of the upper prefabricated column and the thickness of the protective layer of the longitudinal rib of the upper prefabricated column, and the anchoring length of the longitudinal rib is greater than or equal to the minimum length meeting the anchoring requirement of the longitudinal rib.
Optionally, burrs are arranged on the surface, in contact with the concrete mortar, of the top surface of the cast-in-place node area.
Compared with the prior art, the beneficial effects of the utility model are that: realize the cooperation when buckling the vertical muscle that stretches out post body bottom and cast-in-place nodal region in post body bottom and being connected, reduce the degree of difficulty of construction location, improve the precision of construction location, its construction quality reaches more easily.
Drawings
FIG. 1 is a schematic view of an assembled precast column of example 1.
Fig. 2 is a schematic view of a first fabricated prefabricated pillar connection node of embodiment 2.
Fig. 3 is a schematic view of a second fabricated prefabricated pillar connection node of embodiment 2.
FIG. 4 is a cross-sectional view A-A of FIG. 2 when the post body is square and 4 longitudinal ribs are provided.
Fig. 5 is a schematic view of a third fabricated prefabricated pillar connection node of embodiment 2.
Fig. 6 is a schematic view of a fourth fabricated prefabricated pillar connection node of embodiment 2.
FIG. 7 is a cross-sectional view B-B of FIG. 5 with the post body being square and the longitudinal ribs being 4.
Reference numerals: 110-a pillar body; 111-longitudinal ribs; 112-stirrup; 210-upper precast columns; 211-longitudinal ribs of the upper prefabricated column; 212-stirrups of the upper prefabricated column; 213-column body of upper prefabricated column; 220-lower prefabricated column; 221-longitudinal ribs of the lower prefabricated column; 222-stirrups of the lower prefabricated column; 223-column body of lower prefabricated column; 230-cast-in-place node area; 231-a floor slab; 232-beam; 240-concrete form; 241-shear reinforcement; 242-concrete mortar; 250-burr.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
The embodiment provides a fabricated column which can be applied to a fabricated monolithic concrete structure. Fabricated monolithic concrete structures are structures that are formed as a whole from prefabricated concrete elements or components joined by reinforcing steel, connectors or prestressing and cast in place concrete, with cast-in-place nodal areas being formed at the points where the prefabricated elements are joined to one another.
Fig. 1 is a schematic view of the fabricated column of the present embodiment. As shown in fig. 1, the prefabricated column includes a column body 110, the column body 110 is of a prefabricated concrete structure, the column body 110 is provided with longitudinal ribs 111 and stirrups 112, the upper portions of the longitudinal ribs 111 extend out of the top of the column body 110 so as to extend into cast-in-place node areas at the top of the column body 110 during assembly, the lower portions of the longitudinal ribs 111 extend out of the bottom of the column body 110 after being bent towards the inside of the column body 110, and the stirrups 112 are hooped on the longitudinal ribs 111 located inside the column body 110.
The upper parts of the longitudinal ribs 111 extending out of the top of the column body 110 can extend into a cast-in-place node area at the top of the column body 110, so that the top of the prefabricated column is fixedly connected with a structure at the top of the prefabricated column; the lower parts of the longitudinal ribs 111 arranged on the column body 110 are bent and then extend out of the bottom of the column body 110, and do not extend into a cast-in-place node area at the bottom of the column body 110 or a structural foundation at the bottom of the column body 110 during assembly, so that the bottom of the prefabricated column is hinged with the structure at the bottom of the prefabricated column. And compared with the prefabricated columns fixedly connected with the bottom and the top, the prefabricated columns fixedly connected with the bottom and the top in a hinged mode have better energy consumption characteristics, and can be better applied to seismic design.
The lower part of the longitudinal rib 111 extending out of the bottom of the column body 110 can be matched and positioned with a top part of a cast-in-place node area when being connected with the cast-in-place node area at the bottom of the column body 110, and other reinforcing steel bars can be avoided, so that the connection of the prefabricated column in the assembling process can be rapidly completed.
In order to make the connection between the lower part of the longitudinal rib 111 extending out of the bottom of the column body 110 and the top member of the cast-in-place node area more stable to cope with various working conditions of the structure, in an alternative embodiment, the lower part of the longitudinal rib 111 extends out of the bottom of the column body 110 by the length (l of fig. 1) 1 ) Greater than or equal to the minimum length required to satisfy the anchoring requirements of the longitudinal ribs 111.
In an alternative embodiment, the upper portion of the longitudinal rib 111 extending into the cast-in-place node area on the top of the pillar body 110 may also extend beyond the cast-in-place node area, that is, beyond the top member of the cast-in-place node area, to reinforce the connection between the pillar body 110 and the cast-in-place node area. The length of the upper portion of the longitudinal rib 111 extending out of the top of the column body 110 is the sum of the height of the cast-in-place node area and the anchoring length of the longitudinal rib 111, the anchoring length of the longitudinal rib 111 is greater than or equal to the minimum length meeting the anchoring requirement of the longitudinal rib 111, that is, the length of the upper portion of the longitudinal rib 111 extending out of the cast-in-place node area can be the anchoring length of the longitudinal rib 111.
Example 2
The present embodiment provides a fabricated prefabricated column connection node, and fig. 2 is a schematic view of the fabricated prefabricated column connection node of the present embodiment. As shown in fig. 3, the connection node includes an upper prefabricated column 210 and a lower prefabricated column 220, and the upper prefabricated column 210 and the lower prefabricated column 220 are fabricated prefabricated columns as in example 1;
a cast-in-place node area 230 is arranged between the upper prefabricated column 210 and the lower prefabricated column 220, and the cast-in-place node area 230 is of a cast-in-place concrete structure. Optionally, fig. 3 is a schematic view of another prefabricated column connection node of this embodiment, and as shown in fig. 4, the cast-in-place node area 230 may further include a connection floor 231 and/or a beam 232.
As shown in fig. 2 and 3, the upper portion of the longitudinal rib 221 of the lower prefabricated column 220 extends into the cast-in-place node area 230 and out of the top of the cast-in-place node area 230, and the stirrup 222 of the lower prefabricated column 220 is hooped on the portion of the longitudinal rib 221 of the lower prefabricated column 220 located inside the column body 223 and the portion extending into the cast-in-place node area 230. The periphery of the longitudinal rib 221 of the lower-layer prefabricated column 220 extending out of the top of the cast-in-place node area 230 and extending out of the longitudinal rib 221 of the lower-layer prefabricated column 220 extending out of the top of the cast-in-place node area 230 is provided with a template 240, specifically, the template 240 can be placed at the top of the cast-in-place node area 230 or can be inserted into the top of the cast-in-place node area 230, so that the template 240 can be conveniently arranged in the construction process, and the placed template 240 surrounds the longitudinal rib 221 of the lower-layer prefabricated column 220 extending out of the top of the cast-in-place node area 230. The form 240 and the top surface of the cast-in-place node area 230 form a casting space, the casting space is cast with concrete mortar 242, and the concrete mortar 242 cast in the casting space can be selected and has good workability. The part of the longitudinal rib 211 of the upper prefabricated column 210 extending out of the bottom of the column body 213 and the part of the longitudinal rib 221 of the lower prefabricated column 220 extending out of the top of the cast-in-place node area 230 extend into the concrete mortar 242.
In order to improve the shear resistance of the concrete mortar 242 in the casting space, the shear reinforcement bars 241 may be disposed in the casting space, and the shear reinforcement bars 241 may be hooped on the portion of the vertical bar 211 of the upper precast column 210 extending into the casting space, or hooped on the portion of the vertical bar 221 of the lower precast column 220 extending into the casting space.
Fig. 4 is a sectional view a-a of fig. 2 and 3 when the column body 213 of the upper precast column 210 is square and the number of the longitudinal ribs 211 is 4. As shown in fig. 2 to 4, the shear reinforcements 241 provided in the casting space are fastened to the portions of the upper precast columns 210 where the longitudinal reinforcements 211 extend into the casting space.
Fig. 5 and 6 are schematic views of two other prefabricated column connecting nodes according to the present embodiment, where fig. 5 shows cast-in-place node area 230 without connecting floor slab 231 and/or beam 232, and fig. 6 shows cast-in-place node area 230 with connecting floor slab 231 and/or beam 232. Fig. 7 is a sectional view B-B in fig. 6 and 7 when the column body 213 of the upper precast column 210 is square and the number of the longitudinal ribs 211 is 4. As shown in fig. 5 to 7, the shear reinforcements 241 provided in the casting space are fastened to the portions of the vertical ribs 221 of the lower precast columns 220 extending into the casting space.
As shown in fig. 3 and 6, in one embodiment, the outer side of the formwork 240 may be flush with the inner side of the column body 213 of the upper precast column 210, and in this case, the formwork 240 may be a concrete structure.
As shown in fig. 2 and 5, in another embodiment, the inner side of the formwork 240 is flush with the inner side of the column body 213 of the upper precast column 210, and at this time, the formwork 240 may be removed after the concrete mortar 242 is set, so that an aluminum formwork or a wood formwork, etc. may be used.
In an alternative embodiment, the height of the formwork 240 may be the sum of the anchoring length of the longitudinal rib 211 of the upper-layer prefabricated column 210 and the thickness of the protective layer of the longitudinal rib 211 of the upper-layer prefabricated column 210, i.e. l in fig. 3 and 4 1 And c. The anchoring length of the longitudinal ribs 211 is greater than or equal to the minimum required for anchoring the longitudinal ribs 211The length of the longitudinal rib 211 of the upper prefabricated column 210 can meet the anchoring requirement, and the distance of the thickness of a protective layer can be kept between the longitudinal rib 211 and the cast-in-place node area 230, so that the longitudinal rib 211 can be protected more effectively.
In order to further enhance the connectivity between the cast-in-place node area 230 and the concrete mortar 242 in the casting space, burrs 250 may be formed on the surface of the top surface of the cast-in-place node area 230, which is in contact with the concrete mortar 242, and burrs 250 may be formed on the surface of the top surface of the cast-in-place node area 230, which is in contact with the concrete mortar 242.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated post of assembled, includes the post body, the post body is prefabricated concrete structure, the post body is equipped with and indulges muscle and stirrup, its characterized in that, the upper portion of indulging the muscle is stretched out beyond the top of post body to stretch into when the assembly the cast-in-place node district at post body top, the lower part of indulging the muscle to stretch out behind the inside buckle of post body beyond the bottom of post body, the stirrup hoop is established and is located inside the post body on the muscle is indulged.
2. An assembled precast column according to claim 1, wherein the length of the lower part of the longitudinal rib protruding from the bottom of the column body is greater than or equal to the minimum length that satisfies the anchoring requirement of the longitudinal rib.
3. The prefabricated column of claim 1, wherein the length of the upper portion of the longitudinal rib extending out of the top of the column body is the sum of the height of the cast-in-place node area and the anchoring length of the longitudinal rib, and the anchoring length of the longitudinal rib is greater than or equal to the minimum length meeting the anchoring requirement of the longitudinal rib.
4. An assembled prefabricated column connecting node, which is characterized by comprising an upper-layer prefabricated column and a lower-layer prefabricated column, wherein the upper-layer prefabricated column and the lower-layer prefabricated column are assembled prefabricated columns according to any one of claims 1 to 3;
a cast-in-place node area is arranged between the upper-layer prefabricated column and the lower-layer prefabricated column, the cast-in-place node area is of a cast-in-place concrete structure, and the upper parts of longitudinal ribs of the lower-layer prefabricated column extend into the cast-in-place node area and extend out of the top of the cast-in-place node area;
hoops of the lower-layer prefabricated column are hooped on the part of the lower-layer prefabricated column longitudinal bar inside the lower-layer prefabricated column body and the part extending into the cast-in-place node area;
the prefabricated post of lower floor that stretches out cast-in-place node district top the periphery of muscle is equipped with the template, the template with the top surface in cast-in-place node district forms the watering space, the watering space is watered and has concrete mortar, the part that the muscle stretches out the post body bottom is indulged to the prefabricated post of upper strata and the part that the muscle stretches out cast-in-place node district top stretches into concrete mortar to the muscle of indulging of prefabricated post of lower floor.
5. The prefabricated column connection node of claim 4, wherein shear bars are disposed inside the casting space, and the shear bars are hooped on a portion of the longitudinal bars of the upper prefabricated column extending into the casting space or hooped on a portion of the longitudinal bars of the lower prefabricated column extending into the casting space.
6. An assembled prefabricated column connecting node according to claim 4, wherein said formwork is placed on top of said cast-in-place node area.
7. The fabricated prefabricated pillar connecting node of claim 6, wherein the outer side of said form is flush with the outer side of said upper prefabricated pillar body, and said form is of a concrete structure.
8. The fabricated prefabricated column connecting node of claim 6, wherein the inner side of the formwork is flush with the inner side of the upper-layer prefabricated column body, and the formwork is an aluminum formwork or a wood formwork.
9. The fabricated precast column connection node according to any one of claims 4 to 8, wherein the height of the formwork is the sum of the anchoring length of the longitudinal ribs of the upper precast column and the thickness of the protective layer of the longitudinal ribs of the upper precast column, and the anchoring length of the longitudinal ribs is greater than or equal to the minimum length which meets the anchoring requirement of the longitudinal ribs.
10. An assembled prefabricated column connecting node according to claim 9, wherein the top surface of the cast-in-place node area in contact with the concrete mortar is provided with burrs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221393720.5U CN217379963U (en) | 2022-06-02 | 2022-06-02 | Prefabricated post of assembled and connected node thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221393720.5U CN217379963U (en) | 2022-06-02 | 2022-06-02 | Prefabricated post of assembled and connected node thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217379963U true CN217379963U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221393720.5U Active CN217379963U (en) | 2022-06-02 | 2022-06-02 | Prefabricated post of assembled and connected node thereof |
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| CN (1) | CN217379963U (en) |
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- 2022-06-02 CN CN202221393720.5U patent/CN217379963U/en active Active
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