CN217810512U - Prefabricated plate assembling and connecting assembly and connecting structure thereof - Google Patents
Prefabricated plate assembling and connecting assembly and connecting structure thereof Download PDFInfo
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- CN217810512U CN217810512U CN202122980710.3U CN202122980710U CN217810512U CN 217810512 U CN217810512 U CN 217810512U CN 202122980710 U CN202122980710 U CN 202122980710U CN 217810512 U CN217810512 U CN 217810512U
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Abstract
The utility model discloses a prefabricated plate assembling and connecting component, which comprises a left flange steel plate and a right flange steel plate which are vertically inserted in the splicing surface of two prefabricated plates respectively along the relative splicing surface of the two prefabricated plates, and an intermediate connecting steel plate which is horizontally connected with the left flange steel plate and the right flange steel plate; can realize direct on-site assembly and firm in connection, ensure the shear resistance of the abutted seam, and have the advantages of simple structure, reinforced bridge overall performance, short construction period, large on-site wet workload avoidance and the like.
Description
Technical Field
The utility model relates to an engineering and building technical field, concretely relates to coupling assembling and joint construction are assembled to prefabricated plate for road bridge.
Background
At present, an assembled reinforced concrete structure is one of important directions for building structure development in China, various prefabricated components are processed in a factory in advance and are transported to a construction site for assembly and assembly, so that the improvement and the guarantee of engineering quality are facilitated, the development of building industrialization in China is facilitated, the production efficiency is improved, energy is saved, green and environment-friendly buildings are developed, and the improvement and the guarantee of engineering quality are facilitated. The prefabricated bridge deck slab is used as an important part of bridge construction, has remarkable advantages in the aspects of economy, constructability, construction period and the like, does not generate tensile stress caused by concrete drying shrinkage and temperature change when being erected, greatly accelerates construction speed on the premise of ensuring engineering quality, reduces maintenance cost and prolongs service life. The key technology for the prefabricated bridge deck structure is joint assembling structure, the assembled prefabricated slab assembling joint structure is used as a force transmission pivot and is a weak link in the using process, the component is cracked if the component is light, the using performance of a bridge is affected, the force transmission between the components is affected if the component is heavy, the collapse of the whole structure is caused, and the like. Therefore, the quality of the joint is the premise of ensuring the normal work of the structure, and the reasonable joint design can not only realize good force transmission between the bridge deck plates, but also ensure the impermeability and the overall performance of the bridge.
The present assembled bridge plate mainly adopts two categories of wet seam and gluey seam in the seam area between road traffic medium plate and board, in the application, mainly has following problem:
firstly, adopt the wet joint seam mode, current concrete precast slab generally constitutes wholly through reinforcing bar overlap joint or welding on the good bridge plate of overlap joint, the concrete is watered after the rethread, it makes the precast slab become a whole to wait after its sclerosis, but this kind of method still need carry out reinforcing bar overlap joint or welding process and cast-in-place seam crossing concrete, it is longer to lead to the great and concrete maintenance time of the wet work volume in scene, the original purpose of assembly construction paradox, it is hard to waste time and energy, the uncertainty direct influence of human factor is to engineering quality, and it is great to reserve the seam width, make the consumption of material big, and the construction cost is increased.
Secondly, the spliced prefabricated plates are mutually connected by forming concave-convex seams, the seams are connected by smearing epoxy resin, but the embedding, butt joint and positioning method of reserving the concave-convex groove seams leads the hoisting to be complicated in position, the cementing and fixing time is limited, the difficulty of the procedure of gluing is increased, and the epoxy resin is gradually aged and damaged under the long-term loading action along with the time, the anti-leakage effect is lost, and the durability of the structure is influenced.
In conclusion, the existing bridge plate connecting seam treatment has the following defects: firstly, the construction period is long, the laying procedure is complex and tedious, and the application of emergency engineering is not facilitated; the material waste is large, and the construction cost is increased; a large amount of construction waste is easy to generate during construction, which is not beneficial to environmental protection and can not be reused. Secondly, in the building operation, a plurality of prefabricated plates are overlapped side by side to form a whole, so that the simply spliced prefabricated plates have poor anti-seismic effect, particularly, the prefabricated plates for roads and bridges are stressed in a large and concentrated manner, serious safety accidents can be caused when any part of the prefabricated plates cannot be supported, gaps can be reserved at the spliced positions due to the simple splicing of the prefabricated plates, various technical measures are required to perform anti-leakage treatment, and the integral stress performance is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a coupling assembling is assembled to prefabricated plate and joint construction thereof can realize that direct scene is assembled and firm in connection, ensures the shear resistance of piece department, has simple structure, strengthens bridge wholeness ability, construction period short, avoids advantage such as the on-the-spot wet work volume is big.
The precast slab assembling and connecting component comprises a left flange steel plate and a right flange steel plate which are respectively and vertically inserted into the splicing surfaces of the two precast slabs along the relative splicing surfaces of the two precast slabs, and an intermediate connecting steel plate which is horizontally connected with the left flange steel plate and the right flange steel plate;
further, the left flange steel plate and the right flange steel plate are welded on two opposite sides of the middle connecting steel plate in a mode of inclining along the end of the middle connecting steel plate;
further, the horizontal included angle between the left flange steel plate and the middle connecting steel plate and the horizontal included angle between the right flange steel plate and the middle connecting steel plate are 30-45 degrees;
further, the left flange steel plate and the right flange steel plate are symmetrically arranged along the middle connecting steel plate;
and the steel plate notch is respectively arranged in the splicing surface of the two prefabricated plates and is used for splicing the left flange steel plate and the right flange steel plate.
Further, the steel plate notch comprises a bottom plate, two opposite side walls and a rear side wall, and the edge portions of the two side walls of the steel plate notch are inwards bent to form an overlapping table top used for the edge portions of the left flange steel plate and the right flange steel plate.
The utility model also discloses a prefabricated plate assembly coupling assembling's joint construction, assemble the steel sheet notch that coupling assembling and perpendicular prefabricated plate concatenation face were seted up including the prefabricated plate, the steel sheet notch flushes the setting with prefabricated plate concatenation face surface, coupling assembling's left flange steel sheet and right flange steel sheet are assembled to the prefabricated plate and peg graft respectively in the steel sheet notch of two prefabricated plate concatenation faces and pour sealed glue in the seam between two prefabricated plates.
Furthermore, the steel plate notches are obliquely arranged along the splicing surface and form a horizontal included angle of 30-45 degrees with the splicing surface;
furthermore, the prefabricated plate assembling and connecting components are distributed at equal intervals along the splicing seams;
furthermore, the inclination directions of the adjacent steel plate notches on the same splicing surface are opposite, and the included angles of the adjacent steel plate notches and the horizontal plane form a complementary angle;
further, the steel sheet notch is approximate U-shaped structure, the both sides wall of steel sheet notch inwards buckles and forms the overlap joint mesa that is used for left flange steel sheet and right flange steel sheet marginal part, the back lateral wall of steel sheet notch is provided with the steel backing plate.
The utility model has the advantages that: the utility model discloses a coupling assembling is assembled to prefabricated plate and connection structure thereof has following beneficial effect:
1. on the premise of ensuring that the impermeability meets the requirement, a cementing material does not need to be poured in a large area;
2. the process of on-site hoisting of the prefabricated part is simplified, and the hoisting work is prevented from being complicated due to the installation and positioning of the concave-convex tongue-and-groove joint;
3. the problems that the existing prefabricated plate joint structure is poor in form, poor in integral stress performance, easy to crack at the joint and the like are solved, the excellent performance of the I-shaped steel connecting structure is matched in a glue joint mode, a large amount of wet operation on site is avoided, and the shearing resistance of the spliced joint is also ensured;
4. the prefabricated slab joint form construction process is simple and convenient, main components are prefabricated in a prefabricated yard, the quality of the components is easy to guarantee, in addition, on the premise of guaranteeing the connection quality, the labor intensity and the workload of operators are reduced, the construction period can be effectively shortened, and the prefabricated slab joint form construction process is not influenced by natural environment;
5. the prefabricated plate can be prefabricated in the prefabricated yard, can be according to the standardized production in the prefabricated yard of drawing for the construction is simple more high-efficient.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic elevation structure diagram of an assembled state of an assembled joint connecting assembly of an assembled prefabricated slab;
FIG. 2 is a front view of the assembled prefabricated slab assembling joint connecting assembly in a splicing state;
FIG. 3 is a front view of the prefabricated panel joint;
FIG. 4 is a top view of the joint after the prefabricated panels are assembled;
FIG. 5 is a side view of the prefabricated panel;
FIG. 6 is a bottom view of the assembled joint of the prefabricated panels;
FIG. 7 is an overall schematic view of the seam construction after assembly;
FIG. 8 is a schematic view showing an overall structure of a prefabricated panel
FIG. 9 is a schematic diagram of a prefabricated slab structure with a reserved steel plate notch;
fig. 10 is a schematic view of the notch position structure of the steel plates on the adjacent prefabricated plates.
Detailed Description
FIG. 1 is a schematic elevation structure diagram of an assembled state of an assembled joint connecting assembly of an assembled prefabricated slab; FIG. 2 is a front view of the assembled prefabricated slab assembling joint connecting assembly in a splicing state; FIG. 3 is a front view of the prefabricated panel joint;
FIG. 4 is a top view of the assembled joint of the prefabricated panels; FIG. 5 is a side view of the prefabricated panel; FIG. 6 is a bottom view of the assembled joint of the prefabricated panels; FIG. 7 is an overall schematic view of the seam construction after assembly; FIG. 8 is a schematic view showing the overall structure of a prefabricated panel, and FIG. 9 is a schematic view showing the structure of a prefabricated panel with a steel plate notch reserved; fig. 10 is a schematic view of the notch position structure of the steel plates on the adjacent prefabricated plates. As shown in the figure: the prefabricated plate splicing and connecting assembly 1 comprises a left flange steel plate 31 and a right flange steel plate 33 which are vertically spliced in the splicing surface of two prefabricated plates along the opposite splicing surfaces of the two prefabricated plates respectively, and a middle connecting steel plate 32 which is horizontally connected with the left flange steel plate 31 and the right flange steel plate 33; the two prefabricated plates are a first prefabricated plate 1 and a second prefabricated plate 2, the splicing surfaces of the first prefabricated plate 1 and the second prefabricated plate 2 are vertically opposite, and a left flange steel plate 31 and a right flange steel plate 33 are respectively inserted into the splicing end surfaces of the first prefabricated plate 1 and the second prefabricated plate 2 along the vertical direction and are spliced and connected with each other through a middle connecting steel plate 32 which is horizontally connected with the left flange steel plate 31 and the right flange steel plate 33. The connecting components can be distributed at equal intervals along the splicing seams. Therefore, on-site assembly can be adopted, the on-site hoisting process of the prefabricated part is simplified, and the problem that the hoisting work is complicated due to the installation and positioning of the concave-convex rabbet seam is avoided. The left flange steel plate, the right flange steel plate and the middle connecting steel plate can be installed on site, the cross section of the formed connecting piece structure is of an H-shaped structure, the overall stress performance is good, a large amount of wet operation on site is avoided, and the shearing resistance of the abutted seam is also ensured.
Therefore, on-site assembly can be adopted, the on-site hoisting process of the prefabricated part is simplified, and the problem that the hoisting work is complicated due to the installation and positioning of the concave-convex rabbet seam is avoided. The left flange steel plate 31, the right flange steel plate 33 and the middle connecting steel plate 32 can be installed on site, the cross section of the formed connecting piece structure is of an H-shaped structure, the overall stress performance is good, a large amount of wet operation on site is avoided, and the shearing resistance of the abutted seam is also ensured.
In this embodiment, the left flange steel plate 31 and the right flange steel plate 33 are welded to two opposite sides of the middle connecting steel plate 32 in a manner of inclining along the plate end of the middle connecting steel plate 32; the left flange steel plate 31 and the right flange steel plate 33 and the middle connecting steel plate 32 can be welded on site. The connection structure formed by the left flange steel plate 31, the right flange steel plate 33 and the middle connection steel plate 32 improves the connection strength and integrity of assembly and has certain shearing resistance.
In this embodiment, the horizontal included angle between the left flange steel plate 31, the right flange steel plate 33 and the middle connecting steel plate 32 is 30-45 degrees; that is, the left and right flange steel plates 31 and 33 are inclined at an angle of 30 to 45 ° with respect to the intermediate connection steel plate 32. The left flange steel plate 31 and the right flange steel plate 33 are respectively arranged along the middle connecting steel plate 32 in an inclined manner to improve the shearing resistance of the splicing part.
In this embodiment, the left flange steel plate 31 and the right flange steel plate 33 are symmetrically arranged along the middle connecting steel plate 32; the left flange steel plate 31 and the right flange steel plate 33 have the same inclination direction and inclination angle with the middle connecting steel plate 32, so that the shearing resistance of the joint is improved.
In this embodiment, the steel plate notch includes a bottom plate, two opposite side walls and a rear side wall 5, and the edge portions of the two side walls of the steel plate notch are bent inward to form an overlapping table for the edge portions of the left flange steel plate 31 and the right flange steel plate 33; the cross section of the steel plate notch is approximately C-shaped. The left flange steel plate 31 and the right flange steel plate 33 are inserted in the steel plate groove, the edge of the steel plate groove is located on the lapping table top, and the lapping table top plays a role in limiting transversely and longitudinally.
The embodiment also discloses a connection structure of the prefabricated plate splicing connection assembly 1, which comprises a steel plate notch formed by the prefabricated plate splicing connection assembly 1 and a vertical prefabricated plate splicing surface, wherein the steel plate notch is flush with the surface of the prefabricated plate splicing surface, and a left flange steel plate 31 and a right flange steel plate 33 of the assembled prefabricated plate splicing connection assembly 1 are respectively inserted into the steel plate notches of the two prefabricated plate splicing surfaces and are filled with sealant 4 in a joint between the two prefabricated plates. When the left flange steel plate 31 and the right flange steel plate 33 are inserted into the steel plate notches, the left flange steel plate 31 and the right flange steel plate 33 respectively form steel plate notch sealing surfaces, and then the sealant 4 is poured into gaps among the left flange steel plate 31, the right flange steel plate 33 and the middle connecting steel plate 32 and a seam between the first prefabricated plate 1 and the second prefabricated plate 2. The sizes of the left steel plate notch 11 spliced with the left flange steel plate 31 and the right steel plate notch 21 spliced with the right flange steel plate 33 are adjusted correspondingly according to the size of the connecting component, the error reasons of a construction site and the reasons of a glue pouring area are considered, the smooth proceeding of subsequent construction is ensured, and the recommended notch size reservation is preferably larger than the size of the connecting piece by about 2-4 mm. During construction, the first prefabricated slab 1 and the second prefabricated slab 2 are hoisted and positioned, the left steel plate notch 11 and the right steel plate notch 21 are symmetrical relative to the transverse position of the splicing surface, and the longitudinal heights are consistent.
In the embodiment, the steel plate notches are obliquely arranged along the splicing surface and form a horizontal included angle of 30-45 degrees with the splicing surface; the left flange steel plate 31 and the right flange steel plate 33 of the assembly type prefabricated slab assembling joint connecting component 1 are adapted to the positions, and the shearing resistance is improved.
In the embodiment, the assembling joint connecting assemblies 1 of the prefabricated panels are distributed at equal intervals along the assembling joints; the assembly type prefabricated slab assembling joint connecting assembly 1 is arranged at intervals along the length direction of the splicing joint, splicing between adjacent prefabricated slabs is achieved, structural strength is high, and shearing resistance is good.
In the embodiment, the inclination directions of adjacent steel plate notches on the same splicing surface are opposite, and the included angles of the adjacent steel plate notches and the horizontal plane are complementary; for example, on the joint surface of the first prefabricated panel 1, the inclination directions of the corresponding adjacent left steel plate notches 11 are opposite (as shown in fig. 8), and the right steel plate notches 21 on the opposite second prefabricated panel 2 are distributed in the same way as the joint surface of the first prefabricated panel 1. In this way, the shear resistance can be improved.
In this embodiment, the steel plate notch includes a bottom plate, two opposite side walls and a rear side wall, and the edges of the two side walls of the steel plate notch are bent inward to form an overlapping table top for the edges of the left flange steel plate and the right flange steel plate; the left flange steel plate and the right flange steel plate are inserted in the steel plate groove, the edge of the steel plate is located on the lapping table board, and the lapping table board plays a role in limiting transversely and longitudinally. The steel sheet notches include a left steel sheet notch 11 inserted with the left flange steel sheet 31 and a right steel sheet notch 21 inserted with the right flange steel sheet 33. The left steel plate notch 11 and the right steel plate notch 21 are respectively fixed in the splicing surfaces of the first prefabricated plate 1 and the second prefabricated plate 2, and are perpendicularly arranged on the splicing surfaces along the splicing direction and are concave inwards along the splicing surfaces to form a groove structure. The left and right steel plate notches 11 and 21 are fixedly installed during the process of molding the first and second prefabricated panels 1 and 2.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a prefabricated plate assembly connecting component which characterized in that: the prefabricated steel plate comprises a left flange steel plate and a right flange steel plate which are respectively vertically inserted into the splicing surfaces of two prefabricated plates along the opposite splicing surfaces of the two prefabricated plates, and an intermediate connecting steel plate which is horizontally connected with the left flange steel plate and the right flange steel plate, wherein the cross section of a connecting piece structure formed by the left flange steel plate, the right flange steel plate and the intermediate connecting steel plate is of an H-shaped structure, and the left flange steel plate and the right flange steel plate are welded on the two opposite sides of the intermediate connecting steel plate in a manner of inclining along the end of the intermediate connecting steel plate; the horizontal included angle between the left flange steel plate and the middle connecting steel plate and the horizontal included angle between the right flange steel plate and the middle connecting steel plate are 30-45 degrees.
2. The prefabricated slab assembling and connecting assembly of claim 1, wherein: the left flange steel plate and the right flange steel plate are symmetrically arranged along the middle connecting steel plate.
3. The prefabricated slab assembling and connecting assembly of claim 2, wherein: the prefabricated plate comprises a left flange steel plate and a right flange steel plate which are spliced, and also comprises steel plate notches which are respectively arranged in the splicing surfaces of the two prefabricated plates and are used for splicing the left flange steel plate and the right flange steel plate.
4. The prefabricated slab assembling and connecting assembly of claim 3, wherein: the steel sheet notch includes bottom plate, relative both sides wall and back lateral wall, the inside bending type in both sides wall edge part of steel sheet notch forms the overlap joint mesa that is used for left side edge of a wing steel sheet and right side edge of a wing steel sheet edge part.
5. A connecting structure using the prefabricated panel assembling and connecting assembly of any one of claims 1 to 3, characterized in that: the prefabricated plate splicing and connecting assembly is characterized by comprising a prefabricated plate splicing and connecting assembly and a steel plate notch formed in the splicing surface of a vertical prefabricated plate, wherein the steel plate notch is flush with the surface of the splicing surface of the prefabricated plate, a left flange steel plate and a right flange steel plate of the prefabricated plate splicing and connecting assembly are respectively inserted into the steel plate notches of the splicing surfaces of the two prefabricated plates, and sealant is poured into a joint between the two prefabricated plates; the steel plate notches are obliquely arranged along the splicing surface and form a horizontal included angle of 30-45 degrees with the splicing surface; the inclination directions of the adjacent steel plate notches on the same splicing surface are opposite, and the included angles of the adjacent steel plate notches and the horizontal plane are complementary.
6. The connection structure adopting the precast slab assembling connection assembly according to claim 5, characterized in that: the prefabricated plate assembling and connecting components are distributed at equal intervals along the splicing seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122980710.3U CN217810512U (en) | 2021-11-30 | 2021-11-30 | Prefabricated plate assembling and connecting assembly and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122980710.3U CN217810512U (en) | 2021-11-30 | 2021-11-30 | Prefabricated plate assembling and connecting assembly and connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217810512U true CN217810512U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122980710.3U Active CN217810512U (en) | 2021-11-30 | 2021-11-30 | Prefabricated plate assembling and connecting assembly and connecting structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN217810512U (en) |
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2021
- 2021-11-30 CN CN202122980710.3U patent/CN217810512U/en active Active
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