CN210369308U - Welding type connection structure of precast concrete component - Google Patents
Welding type connection structure of precast concrete component Download PDFInfo
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- CN210369308U CN210369308U CN201921271720.6U CN201921271720U CN210369308U CN 210369308 U CN210369308 U CN 210369308U CN 201921271720 U CN201921271720 U CN 201921271720U CN 210369308 U CN210369308 U CN 210369308U
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Abstract
The utility model relates to an engineering design technical field discloses a precast concrete component's welding type joint construction, it includes first concrete prefab and second concrete prefab, in the first concrete prefab, vertical reinforcement and horizontal reinforcing bar have all been inlayed in the second concrete prefab, the linkage segment of first concrete prefab, the linkage segment of second concrete prefab has all been embedded into shear reinforcement, shear reinforcement's both ends have welded first steel sheet and second steel sheet respectively, the crisscross net that forms of vertical reinforcement and horizontal reinforcing bar is the multilayer and is located between first steel sheet and the second steel sheet, first steel sheet, the second steel sheet all with vertical reinforcement welding. The utility model has the advantages that: the connecting structure is suitable for concrete beam type members or plate type members with square sections, has good bending resistance, shearing resistance and tensile compression resistance, and can realize quick and reliable connection of precast concrete members.
Description
Technical Field
The utility model relates to an engineering design technical field, especially a precast concrete component's welding type joint construction.
Background
The prefabricated structure is mainly characterized by building industrialization, the components are prefabricated in a factory, and the parts are transported to the site for assembly and construction, so that the prefabricated component has the advantages of easy quality guarantee, standardized production process, high automation degree, good safety, high site assembly and construction speed and the like. Due to the advantages of prefabricated structures, the hot tide of the research and application of prefabricated structures has been raised worldwide; due to the complexity of the application scene, factory prefabricated components need to be assembled on site, and simple components are assembled into a complex whole through a reliable connection structure; the existing on-site connection structure is of a cast-in-place wet joint connection type, a steel plate structure glue connection type and the like; for the prefabricated concrete assembly type member, the wet joint cast in situ has no good maintenance condition of a factory, the strength of the wet joint is smaller than that of the prefabricated member, and a stressed weak link is formed; the connection type of the structural adhesive of the steel plate generally needs temporary fixing measures; moreover, the on-site wet joint or the wet joint needs a longer time to wait for the coagulation and the strengthening, thereby greatly delaying the construction period; therefore, it is very necessary to develop a connecting structure of precast concrete members that is reliable and fast to connect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a precast concrete component's welding type joint construction to solve the problem that the wet seam joint intensity of current concrete component is weak, the latency is long that condenses.
The purpose of the utility model is realized through the following technical scheme: a welding type connection structure of precast concrete components comprises a first precast concrete component and a second precast concrete component, wherein longitudinal steel bars and transverse steel bars are embedded in the first precast concrete component, the longitudinal steel bars and the transverse steel bars are staggered to form grids, shear steel bars are embedded in a connection section of the first precast concrete component and a connection section of the second precast concrete component, first steel plates and second steel plates are welded at two ends of the shear steel bars respectively, the grids formed by the longitudinal steel bars and the transverse steel bars in a staggered mode are multilayer and are located between the first steel plates and the second steel plates, the first steel plates and the second steel plates are welded with the longitudinal steel bars, the connection section of the first precast concrete component and the connection section of the second precast concrete component are located between the first steel plates and the second steel plates, and a first steel plate on the first concrete prefabricated member is welded with a second steel plate on the second concrete prefabricated member, and a second steel plate on the first concrete prefabricated member is welded with a first steel plate on the second concrete prefabricated member.
Preferably, a gap is formed between the connecting surface of the first concrete prefabricated member and the connecting surface of the second concrete prefabricated member, and a welding seam between a first steel plate on the first concrete prefabricated member and a second steel plate on the second concrete prefabricated member, and a welding seam between a second steel plate on the first concrete prefabricated member and a first steel plate on the second concrete prefabricated member are respectively located on two sides of the gap.
Preferably, the first steel plate is provided with a first through hole, the second steel plate is provided with a second through hole, and the first through hole and the second through hole are communicated with the gap.
Preferably, an adhesive is poured into the gap through the first through hole or the second through hole.
Preferably, the connecting end of the first concrete prefabricated member is a concave type or a convex type, and the connecting end of the second concrete prefabricated member is a convex type or a concave type matched with the connecting end of the first concrete prefabricated member.
Preferably, shear reinforcement in the first precast concrete spare is many and is plum blossom shape distribution, shear reinforcement in the second precast concrete spare is many and is plum blossom shape distribution.
Compared with the prior art, the beneficial effects of the utility model are that: the concrete beam type member or the plate type member with the square cross section is suitable for being used as a concrete beam type member or a plate type member with the square cross section, has good bending resistance, shearing resistance and tensile compression resistance compared with a wet joint, and can realize quick and reliable connection of precast concrete members.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
in the figure, 1-first concrete prefabricated member, 11-first steel plate, 12-second steel plate, 13-first through hole, 14-second through hole, 2-second concrete prefabricated member, 3-shear steel bar, 4-gap, 5-longitudinal steel bar, 6-transverse steel bar and 7-welding seam.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a welding type connection structure of precast concrete members includes a first precast concrete member 1 and a second precast concrete member 2, a longitudinal reinforcement 5 and a transverse reinforcement 6 are embedded in the first precast concrete member 1, a longitudinal reinforcement 5 and the transverse reinforcement 6 are staggered to form a grid, a shear reinforcement 3 is embedded in a connection section of the first precast concrete member 1 and a connection section of the second precast concrete member 2, a first steel plate 11 and a second steel plate 12 are welded at two ends of the shear reinforcement 3 respectively, the grid formed by the longitudinal reinforcement 5 and the transverse reinforcement 6 in a staggered manner is multi-layered and is located between the first steel plate 11 and the second steel plate 12, the first steel plate 11 and the second steel plate 12 are welded with the longitudinal reinforcement 5, and the connection section of the first precast concrete member 1 is welded with the transverse reinforcement 5, The connecting section of the second concrete prefabricated member 2 is located between the first steel plate 11 and the second steel plate 12, the first steel plate 11 on the first concrete prefabricated member 1 is welded with the second steel plate 12 on the second concrete prefabricated member 2, and the second steel plate 12 on the first concrete prefabricated member 1 is welded with the first steel plate 11 on the second concrete prefabricated member 2. It is worth mentioning that: after the transverse steel bars 6 and the longitudinal steel bars 5 are fastened, the first steel plates 11, the second steel plates 12 and the longitudinal steel bars 5 are welded, through holes are formed in the first steel plates 11 and the second steel plates 12, the shear steel bars 3 are inserted, the shear steel bars 3 are welded with the first steel plates 11 and the second steel plates 12, preferably, the through holes are distributed in a quincunx shape, the longitudinal steel bars 5, the transverse steel bars 6, the first steel plates 11, the second steel plates 12 and the shear steel bars 3 form a steel bar framework, finally, the steel bar framework is placed into a mold for pouring concrete, the mold is taken out after the concrete is solidified to form a prefabricated member, and the prefabricated member is transported to a construction site for installation after steam curing.
In this embodiment, as shown in fig. 1 and 2, a gap 4 is formed between the joint surface of the first concrete prefabricated member 1 and the joint surface of the second concrete prefabricated member 2, the gap 4 is formed by loose butt joint of the prefabricated members, the weld seam 7 between the first steel plate 11 on the first concrete prefabricated member 1 and the second steel plate 12 on the second concrete prefabricated member 2, and the weld seam 7 between the second steel plate 12 on the first concrete prefabricated member 1 and the first steel plate 11 on the second concrete prefabricated member 2 are respectively located on two sides of the gap 4, so that excessive weakening of the weld seam 7 on the same section is avoided.
In this embodiment, as shown in fig. 1 and 2, a first through hole 13 is provided on the first steel plate 11, a second through hole 14 is provided on the second steel plate 12, both the first through hole 13 and the second through hole 14 are communicated with the gap 4, and the gap 4 is filled with a filling material through the through holes, so as to enhance the strength of the connecting section.
In this embodiment, as shown in fig. 1 and 2, the gap 4 is filled with an adhesive through the first through hole 13 or the second through hole 14, the preferred adhesive is epoxy resin glue, the gap 4 is filled with the through hole located below during filling, the through hole above is used as an exhaust hole, after the through hole above leaks glue, the through hole that is about to leak glue is plugged until the last through hole above leaks glue, the whole filling is completed, and the filling through hole below is favorable for filling the gap 4, which is worth explaining that: the prefab will use two baffles to shelter from clearance 4 when pouring into, and epoxy glues the side outflow from the prefab when preventing to pour into.
In this embodiment, as shown in fig. 1 and 2, the connecting end of the first concrete prefabricated member 1 is concave or convex, the connecting end of the second concrete prefabricated member 2 is convex or concave matched with the connecting end of the first concrete prefabricated member 1, and the connecting end in convex-concave fit is used, so that the shearing resistance of the connecting surface of the prefabricated member is enhanced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a precast concrete unit's welded type joint construction, includes first precast concrete (1) and second precast concrete (2), in first precast concrete (1), all inlayed in second precast concrete (2) longitudinal reinforcement (5) and horizontal reinforcing bar (6), longitudinal reinforcement (5) with horizontal reinforcing bar (6) are crisscross to form the net, its characterized in that: the connecting section of the first precast concrete member (1) and the connecting section of the second precast concrete member (2) are embedded with shear steel bars (3), two ends of the shear steel bars (3) are respectively welded with a first steel plate (11) and a second steel plate (12), the longitudinal steel bars (5) and the grids formed by the transverse steel bars (6) in a staggered mode are multilayer and are located between the first steel plate (11) and the second steel plate (12), the first steel plate (11) and the second steel plate (12) are welded with the longitudinal steel bars (5), the connecting section of the first precast concrete member (1) and the connecting section of the second precast concrete member (2) are located between the first steel plate (11) and the second steel plate (12), the first steel plate (11) on the first precast concrete member (1) is welded with the second steel plate (12) on the second precast concrete member (2), and a second steel plate (12) on the first concrete prefabricated member (1) is welded with a first steel plate (11) on the second concrete prefabricated member (2).
2. A welding-type joint construction of precast concrete elements according to claim 1, wherein: the utility model discloses a concrete precast element, including first precast concrete (1), second precast concrete (2), first steel sheet (11) on first precast concrete (1) and welding seam (7) between second steel sheet (12) on second precast concrete (2), second steel sheet (12) on first precast concrete (1) with welding seam (7) between first steel sheet (11) on second precast concrete (2) are located respectively the both sides of clearance (4).
3. A welding-type joint construction of precast concrete elements according to claim 2, wherein: the first steel plate (11) is provided with a first through hole (13), the second steel plate (12) is provided with a second through hole (14), and the first through hole (13) and the second through hole (14) are communicated with the gap (4).
4. A welding-type joint construction of precast concrete elements according to claim 3, wherein: and an adhesive is poured into the gap (4) through the first through hole (13) or the second through hole (14).
5. A welding-type joint construction of precast concrete elements according to any one of claims 1 to 4, wherein: the connecting end of the first concrete prefabricated part (1) is concave or convex, and the connecting end of the second concrete prefabricated part (2) is convex or concave matched with the connecting end of the first concrete prefabricated part (1).
6. A welding-type joint construction of precast concrete elements according to claim 5, wherein: shear reinforcement (3) in first precast concrete (1) are many and are plum blossom form and distribute, shear reinforcement (3) in second precast concrete (2) are many and are plum blossom form and distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271720.6U CN210369308U (en) | 2019-08-07 | 2019-08-07 | Welding type connection structure of precast concrete component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271720.6U CN210369308U (en) | 2019-08-07 | 2019-08-07 | Welding type connection structure of precast concrete component |
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| CN210369308U true CN210369308U (en) | 2020-04-21 |
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| CN201921271720.6U Active CN210369308U (en) | 2019-08-07 | 2019-08-07 | Welding type connection structure of precast concrete component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457847A (en) * | 2022-02-21 | 2022-05-10 | 江苏扬建集团有限公司 | Basement exterior wall formwork dismantling-free supporting system and construction method thereof |
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2019
- 2019-08-07 CN CN201921271720.6U patent/CN210369308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457847A (en) * | 2022-02-21 | 2022-05-10 | 江苏扬建集团有限公司 | Basement exterior wall formwork dismantling-free supporting system and construction method thereof |
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