CN215166497U - Support-free precast concrete beam and precast concrete column head connecting structure - Google Patents
Support-free precast concrete beam and precast concrete column head connecting structure Download PDFInfo
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- CN215166497U CN215166497U CN202120933723.2U CN202120933723U CN215166497U CN 215166497 U CN215166497 U CN 215166497U CN 202120933723 U CN202120933723 U CN 202120933723U CN 215166497 U CN215166497 U CN 215166497U
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Abstract
The utility model discloses an exempt from to support precast concrete roof beam and precast concrete column head joint construction, include the whole prefabricated fashioned prefabricated column cap of reinforced concrete, prefabricated column cap includes beam column node nuclear core area and locates the roof beam linkage segment of the lateral part of beam column node nuclear core area, the utility model discloses still include: locate the roof beam linkage segment is kept away from the precast beam of prefabricated column cap one end and is connected the roof beam linkage segment with the post-cast section of precast beam, the roof beam linkage segment is including linkage segment concrete main part and first steel structure component, the precast beam includes roof beam concrete main part and second steel structure component, first steel structure component with second steel structure component is fixed continuous. The utility model discloses a it needs to set up a large amount of supports and causes the technical problem that construction cost is high, the efficiency of construction is low to aim at solving the assembly type structure among the prior art in the work progress.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, especially, relate to an exempt from to support precast concrete roof beam and precast concrete column head joint construction.
Background
In the construction process of the assembly type building in the prior art, a large number of supports are required to bear the self weight of the prefabricated part and the load in the construction stage.
The defects of the prior art are that, on one hand: a large amount of time and manpower are consumed for installing the supports, the construction efficiency is influenced, and the construction cost is increased; on the other hand: a large number of support frames occupy construction space, seriously restrict the expansion of construction organization and construction lines, and restrict the improvement of the construction efficiency of the current assembly type project.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on this, the utility model provides an exempt from to support precast concrete roof beam and precast concrete column head joint construction, this exempt from to support precast concrete roof beam and precast concrete column head joint construction aim at solving the assembled building among the prior art and need set up a large amount of supports and cause the technical problem that construction cost is high, the efficiency of construction is low in the work progress.
(II) technical scheme
In order to solve the technical problem, the utility model provides a support-free precast concrete beam and precast concrete column head connection structure, which comprises a precast column head integrally precast and formed by reinforced concrete, wherein the precast column head comprises a beam column node core area and a beam connection section arranged at the side part of the beam column node core area, the support-free precast concrete beam and precast concrete column head connection structure further comprises a precast beam arranged at the beam connection section and far away from one end of the precast column head, the precast beam is precast by the reinforced concrete, the support-free precast concrete beam and precast concrete column head connection structure further comprises a post-cast section for connecting the beam connection section and the precast beam, the beam connection section comprises a connection section concrete main body and a first steel structure component, one end of the first steel structure component extends into the connection section concrete main body, the other end of the first steel structure assembly stretches into the post-pouring section, the precast beam comprises a beam concrete main body and a second steel structure assembly, one end of the second steel structure assembly stretches into the beam concrete main body, the other end of the second steel structure assembly stretches into the post-pouring section, and the first steel structure assembly is fixedly connected with the second steel structure assembly.
Preferably, the beam connecting section further comprises a connecting section longitudinal steel bar, one end of the connecting section longitudinal steel bar extends into the connecting section concrete main body, and the other end of the connecting section longitudinal steel bar extends into the post-cast section.
Preferably, the precast beam further comprises a beam longitudinal steel bar, one end of the beam longitudinal steel bar extends into the beam concrete main body, and the other end of the beam longitudinal steel bar extends into the post-cast section.
Preferably, the longitudinal steel bars of the connecting section and the longitudinal steel bars of the beam are arranged in a staggered manner, the longitudinal steel bars of the connecting section and the longitudinal steel bars of the beam are equally divided into a plurality of pieces, and the longitudinal steel bars of the beam are inserted into gaps among the longitudinal steel bars of the connecting section.
Preferably, the first steel structure assembly comprises a first embedded member, a first connecting member and a first overhanging member which are fixedly connected in sequence, the first embedded member is integrally anchored into the connecting section concrete body, and the first overhanging member stretches into the post-cast section; the second steel structure assembly comprises a second embedded member, a second connecting member and a second outer extension member which are fixedly connected in sequence, the second embedded member is integrally anchored into the beam concrete main body, and the second outer extension member extends into the post-cast section; the first outer extending component and the second outer extending component are fixedly connected through welding or bolt connection.
Preferably, the number of the first embedded members is multiple, the first embedded members are one or a combination of multiple kinds of steel bars, anchor bolts and steel bars, the first connecting members are steel plates, one side surface of each first connecting member connected with the first embedded members is attached to the end surface of the concrete main body at the connecting section, the first extending member is one or a combination of multiple kinds of steel plates, i-shaped steel, H-shaped steel and channel steel, and the first extending member is provided with a first connecting hole penetrating through the first extending member; and one side surface of the second connecting member connected with the second embedded member is attached to the end surface of the beam concrete main body, and a second connecting hole penetrating through the second connecting member is formed in the second externally-extending member.
The beam connection section is close to one side of beam column node core area is established to the beam-ends, precast beam keeps away from one side of beam column node core area extremely the distance of beam-ends is the beam span, the post-cast section is located beam-ends to 1/3 the interval between the beam span.
Preferably, the cast-in-place concrete for forming the post-cast section is one of high-performance concrete, ultrahigh-performance concrete, steel fiber concrete, reactive powder concrete and ECC.
Preferably, the number of the beam connecting sections is multiple, and the beam connecting sections are respectively arranged on the side parts of the beam column node core area.
Preferably, the prefabricated column cap is still including locating prefabricated shaft of beam column node core space lower part.
Preferably, the first steel structure component and the second steel structure component have the same structure.
(III) advantageous effects
The utility model discloses compare with prior art, the utility model discloses exempt from to support precast concrete roof beam and precast concrete column head joint construction's beneficial effect mainly includes:
the utility model relates to an exempt from to support precast concrete roof beam and precast concrete column head joint construction, link to each other with linkage segment concrete main part in first steel construction component and the second steel construction component who links to each other with roof beam concrete main part all stretch into the post-cast section, realize through forms such as bolted connection or welding in the post-cast section first steel construction component with second steel construction component is fixed continuous for bear the dead weight of construction stage precast beam and the construction load of precast beam, reach the purpose that the precast beam exempted from to support. Therefore, adopt the utility model discloses a structure need not to support under the precast beam, has reduced construction process, and simple to operate has not only promoted the site operation efficiency of assembly type structure, has still reduced construction cost.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 is a perspective view of a support-free precast concrete beam and precast concrete column head connection structure according to an embodiment of the present invention in one direction;
fig. 2 is a perspective view of the support-free precast concrete beam and precast concrete column head connection structure according to the embodiment of the present invention in another direction;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a perspective view of a first steel structural component according to an embodiment of the present invention;
fig. 5 is a perspective view of a first steel structural component according to another embodiment of the present invention;
fig. 6 is a schematic side view of a connection structure of a support-free precast concrete beam and a precast concrete column head according to an embodiment of the present invention;
fig. 7 is a schematic top view of a connection structure of a support-free precast concrete beam and a precast concrete column head according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a precast column head in a support-free precast concrete beam and precast concrete column head connection structure according to an embodiment of the present invention;
fig. 9 is the embodiment of the utility model provides a support free precast concrete roof beam and precast concrete column head joint construction schematic diagram of the precast beam in the structure.
Description of reference numerals:
1. the prefabricated column head, 2 prefabricated beams, 3 post-cast sections, 11 beam column node core areas, 12 beam connecting sections, 13 prefabricated column bodies, 21 beam concrete bodies, 22 second steel structure assemblies, 23 beam longitudinal reinforcing steel bars, 121 connecting section concrete bodies, 122 first steel structure assemblies, 123 connecting section longitudinal reinforcing steel bars, 1221 first embedded members, 1222 first connecting members, 1223 first extending members and 12231 first connecting holes.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two elements may be mechanically or electrically connected, directly or indirectly connected through an intermediate medium, or connected through the inside of the two elements, or "in transmission connection", that is, connected in a power manner through various suitable manners such as belt transmission, gear transmission, or sprocket transmission. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the accompanying fig. 1-9.
Please refer to fig. 1-3 and fig. 6-7, a support-free precast concrete beam and precast concrete column head connection structure, comprising a precast column head 1 integrally precast and formed by reinforced concrete, the precast column head 1 comprises a beam column node core area 11 and a beam connection section 12 arranged at the side of the beam column node core area 11, the support-free precast concrete beam and precast concrete column head connection structure further comprises a precast beam 2 arranged at one end of the beam connection section 12 far away from the precast column head 1, the precast beam 2 is precast by reinforced concrete, the support-free precast concrete beam and precast concrete column head connection structure further comprises a connection beam connection section 12 and a post-cast section 3 of the precast beam 2, the beam connection section 12 comprises a connection section concrete body 121 and a first steel structure assembly 122, one end of the first steel structure assembly 122 extends into the connection section concrete body 121, the other end of the first steel structure assembly 122 extends into the post-cast section 3, precast beam 2 includes roof beam concrete main part 21 and second steel structural component 22, and in second steel structural component 22's one end stretched into roof beam concrete main part 21, the other end of second steel structural component 22 stretched into post-cast section 3, first steel structural component 122 and second steel structural component 22 were fixed continuous.
More specifically, the post-cast section 3 is provided at a beam end to 1/3 beam span. The method specifically comprises the following steps: one side that beam linkage segment 12 is close to beam column node core area 11 is established to the beam-ends, and the distance that one side that precast beam kept away from beam column node core area 11 to the beam-ends is the beam span, and post-cast section 3 is located the interval between beam-ends to 1/3 beam span. Adopt this structure, do benefit to the improvement the utility model relates to an exempt from to support precast concrete roof beam and precast concrete column head joint construction's whole mechanical properties, and through above-mentioned structure, can water section 3's position and length after the effective control, do benefit to the production and construction. In this embodiment, the first steel structure assembly 122 connected with the connecting section concrete main body 121 and the second steel structure assembly 22 connected with the beam concrete main body 21 all extend into the post-cast section 3, and the first steel structure assembly 122 and the second steel structure assembly 22 are fixedly connected in the post-cast section 3 through the form of bolt connection, welding or the like, so as to bear the dead weight of the precast beam 2 and the construction load of the precast beam 2 in the construction stage, and achieve the purpose that the precast beam 2 is free from support.
According to the utility model discloses a specific embodiment, roof beam linkage segment 12 still includes linkage segment longitudinal reinforcement 123, and in linkage segment concrete main part 121 was stretched into to the one end of linkage segment longitudinal reinforcement 123, the other end of linkage segment longitudinal reinforcement 123 stretched into in the post-cast section 3. In this embodiment, one end of the longitudinal steel bar 123 of the connection section is inserted into the concrete body 121 of the connection section, and the other end of the longitudinal steel bar 123 of the connection section is inserted into the post-cast section 3. Can improve the stability that prefabricated column cap 1 and post-cast section 3 are connected, do benefit to the intensity that increases post-cast section 3 simultaneously.
According to the utility model discloses a specific embodiment, precast beam 2 still includes roof beam longitudinal reinforcement 23, and in roof beam concrete main part 21 was stretched into to the one end of roof beam longitudinal reinforcement 23, the other end of roof beam longitudinal reinforcement 23 stretched into in the post-cast section 3. In specific implementation, the beam connecting section 12 is provided with longitudinal steel bars and stirrups according to the structural beam. In this embodiment, through stretching into roof beam concrete main part 21 with the one end of roof beam longitudinal reinforcement 23, the other end of roof beam longitudinal reinforcement 23 stretches into in the post-cast section 3, can improve the steadiness that precast beam 2 and post-cast section 3 are connected, further does benefit to the intensity that increases post-cast section 3 simultaneously.
According to the utility model discloses a specific embodiment, the arrangement that staggers of linkage segment longitudinal reinforcement 123 and roof beam longitudinal reinforcement 23, and linkage segment longitudinal reinforcement 123 and roof beam longitudinal reinforcement 23 are equallyd divide and do not be many, and roof beam longitudinal reinforcement 23 inserts in the clearance between many linkage segment longitudinal reinforcement 123. In specific implementation, the overlapping length of the connecting section longitudinal steel bar 123 and the beam longitudinal steel bar 23 needs to meet the requirement. By adopting the structure, the efficiency of site construction is improved on the premise of ensuring the strength of the post-cast section 3.
Referring to fig. 4-5, according to an embodiment of the present invention, the first steel structure assembly 122 includes a first pre-buried member 1221, a first connecting member 1222, and a first overhanging member 1223, which are fixedly connected in sequence, the first pre-buried member 1221 is integrally anchored into the connecting section concrete body 121, and the first overhanging member 1223 is extended into the post-cast section 3; the second steel structure assembly 22 comprises a second embedded member, a second connecting member and a second outer extending member which are fixedly connected in sequence, the second embedded member is integrally anchored into the beam concrete main body 21, and the second outer extending member extends into the post-pouring section 3; the first extension member 1223 and the second extension member are fixedly coupled to each other by welding or bolting. First embedded component 1221's quantity is a plurality of, and first embedded component 1221 is the combination of one kind or more in reinforcing bar, crab-bolt, the billet, and first connecting member 1222 is the steel sheet, and a side that first connecting member 1222 and first embedded component 1221 link to each other and the terminal surface laminating of connecting section concrete main part 121, and first overhanging component 1223 is one kind or more combination in steel sheet, I-steel, H shaped steel, the channel-section steel. It should be noted that the first overhang member 1223 can also be made of other types of steel, not limited to the types of steel listed above.
The first protruding member 1223 is provided with a first connection hole 12231 penetrating therethrough; one side face of the second connecting member connected with the second embedded member is attached to the end face of the beam concrete main body 21, and a second connecting hole penetrating through the second connecting member is formed in the second externally-extending member. In this embodiment, the structure of the first embedded member 1221 is advantageous to improve the connection strength between the first steel structure assembly 122 and the connection section concrete body 121. The first overhang member 1223 can have a variety of configurations, with the first overhang member 1223a being a steel plate in FIG. 4 and the first overhang member 1223b being an I-steel in FIG. 5.
According to the embodiment of the present invention, the first steel structure component 122 and the second steel structure component 22 have the same structure. The first steel structure assembly 122 and the second steel structure assembly 22 have the same structure, which means that the components forming the first steel structure assembly 122 and the second steel structure assembly 22 have the same structure and the same combination mode is completed. Namely: the first steel structural component 122 and the second steel structural component 22 are of a same structure.
Since the first steel structure component 122 and the second steel structure component 22 have the same function, the first steel structure component and the second steel structure component can be designed into the same structure, and part labeling is facilitated.
According to the utility model discloses a concrete implementation mode, the cast in situ concrete of section 3 is one of high performance concrete, super high performance concrete, steel fibre concrete, reactive powder concrete, ECC after the shaping. The material is beneficial to ensuring the strength of the post-cast section 3.
As shown in fig. 8, according to the embodiment of the present invention, the number of the beam connecting sections 12 is a plurality of and the beam connecting sections 12 are respectively disposed on the side portions of the beam-column node core area 11. By adopting the structure, the precast beams 2 in multiple directions can be connected simultaneously, and the connection requirements of different shapes are met.
As shown in fig. 9, more specifically, a set of second steel structure assemblies 22 may be respectively disposed at both ends of the precast girder 2, so that both ends of the precast girder 2 may be connected to different precast column heads through the post-cast sections.
According to the utility model discloses a specific embodiment, prefabricated column cap 1 is still including locating prefabricated shaft 13 of 11 lower parts in beam column node core space. During specific implementation, according to the requirement, the beam-column joint core area 11, the beam connecting section 12 and the prefabricated column body 13 can be integrally formed, so that the number of assembling parts can be reduced, and the overall performance is improved. The beam column node core area 11 and the beam connecting section 12 can be integrally formed and then are assembled and connected with the prefabricated column body 13, so that the quality of a single component can be reduced, hoisting is facilitated, meanwhile, complex components are avoided, and forming is facilitated.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. The support-free precast concrete beam and precast concrete column head connecting structure is characterized by comprising a precast column head which is integrally precast and formed by reinforced concrete, wherein the precast column head comprises a beam column node core area and a beam connecting section which is arranged on the side part of the beam column node core area, the support-free precast concrete beam and precast concrete column head connecting structure further comprises a precast beam which is arranged at one end, far away from the precast column head, of the beam connecting section, the precast beam is precast by the reinforced concrete, the support-free precast concrete beam and precast concrete column head connecting structure further comprises a post-casting section which is connected with the beam connecting section and the precast beam, the beam connecting section comprises a connecting section concrete main body and a first steel structure assembly, one end of the first steel structure assembly extends into the connecting section concrete main body, and the other end of the first steel structure assembly extends into the post-casting section, the precast beam comprises a beam concrete main body and a second steel structure assembly, one end of the second steel structure assembly extends into the beam concrete main body, the other end of the second steel structure assembly extends into the post-pouring section, and the first steel structure assembly is fixedly connected with the second steel structure assembly.
2. The structure of claim 1, wherein the beam connection section further comprises a connection section longitudinal steel bar, one end of the connection section longitudinal steel bar extends into the connection section concrete body, and the other end of the connection section longitudinal steel bar extends into the post-cast section.
3. The structure for connecting a support-free precast concrete beam with a precast concrete column head according to claim 2, wherein the precast beam further comprises a beam longitudinal reinforcement, one end of which extends into the beam concrete body, and the other end of which extends into the post-cast section.
4. The structure of claim 3, wherein the connecting section longitudinal steel bars and the beam longitudinal steel bars are arranged in a staggered manner, the connecting section longitudinal steel bars and the beam longitudinal steel bars are respectively multiple, and the beam longitudinal steel bars are inserted into gaps between the connecting section longitudinal steel bars.
5. The structure for connecting the support-free precast concrete beam with the precast concrete column head as recited in claim 4, wherein the first steel structure assembly comprises a first embedded member, a first connecting member and a first overhanging member which are fixedly connected in sequence, the first embedded member is integrally anchored into the connecting section concrete body, and the first overhanging member is extended into the post-cast section; the second steel structure assembly comprises a second embedded member, a second connecting member and a second outer extension member which are fixedly connected in sequence, the second embedded member is integrally anchored into the beam concrete main body, and the second outer extension member extends into the post-cast section; the first outer extending component and the second outer extending component are fixedly connected through welding or bolt connection.
6. The structure for connecting a support-free precast concrete beam with a precast concrete column head according to claim 5, wherein the number of the first embedded members is plural, the first embedded members are one or a combination of plural kinds of steel bars, anchor bolts and steel bars, the first connecting member is a steel plate, one side surface of the first connecting member connected with the first embedded members is attached to the end surface of the connecting section concrete main body, the first extending member is one or a combination of plural kinds of steel plates, i-beams, H-beams and channel steels, and the first extending member is provided with a first connecting hole penetrating through the first extending member; and one side surface of the second connecting member connected with the second embedded member is attached to the end surface of the beam concrete main body, and a second connecting hole penetrating through the second connecting member is formed in the second externally-extending member.
7. The support-free precast concrete beam and precast concrete column head connection structure according to claim 1, wherein a side of the beam connection section close to the beam-column node core area is set as a beam end, a distance from a side of the precast beam far from the beam-column node core area to the beam end is a beam span, and the post-cast section is located in an interval between the beam end and the beam span of 1/3.
8. The structure of connecting a free-standing precast concrete beam and a precast concrete column head according to claim 1, wherein the cast-in-place concrete forming the post-cast section is one of high performance concrete, ultra high performance concrete, steel fiber concrete, reactive powder concrete, and ECC.
9. The support-free precast concrete beam and precast concrete column joint connection structure of claim 1, wherein the number of the beam connection sections is plural, and the plural beam connection sections are respectively provided at side portions of the beam column node core region.
10. The free-standing precast concrete beam and precast concrete column head joint construction of claim 1, wherein the precast column head further comprises a precast column body provided at a lower portion of the beam column node core region.
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| CN202120933723.2U CN215166497U (en) | 2021-04-30 | 2021-04-30 | Support-free precast concrete beam and precast concrete column head connecting structure |
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| CN202120933723.2U CN215166497U (en) | 2021-04-30 | 2021-04-30 | Support-free precast concrete beam and precast concrete column head connecting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753489A (en) * | 2022-06-14 | 2022-07-15 | 中冶建筑研究总院有限公司 | Prefabricated beam column node and novel assembled reinforced concrete building thereof |
| CN115324198A (en) * | 2022-09-29 | 2022-11-11 | 中国建筑第七工程局有限公司 | Precast concrete beam column connection structure and construction method thereof |
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2021
- 2021-04-30 CN CN202120933723.2U patent/CN215166497U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753489A (en) * | 2022-06-14 | 2022-07-15 | 中冶建筑研究总院有限公司 | Prefabricated beam column node and novel assembled reinforced concrete building thereof |
| CN115324198A (en) * | 2022-09-29 | 2022-11-11 | 中国建筑第七工程局有限公司 | Precast concrete beam column connection structure and construction method thereof |
| CN115324198B (en) * | 2022-09-29 | 2023-10-31 | 中国建筑第七工程局有限公司 | Precast concrete beam column connection structure and construction method thereof |
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