Wet joint grout stopping formwork assembly and splicing joint grout stopping structure

Abstract

The wet joint grout stopping formwork assembly and the splicing joint grout stopping structure comprise a wet joint formwork, two long-strip-shaped sealing sponges, a plurality of locking pieces and two connecting plates, the two sides of the wet joint formwork extend to form bent sections to form grouting grooves, notches of the grouting grooves correspond to splicing joints, and the locking pieces are connected with the two connecting plates. The bending section extends outwards in the width direction of the splicing seam to form a fixing plate, and a plurality of locking holes are formed in the groove bottom of the grouting groove; the two long-strip-shaped sealing sponges are fixed to the top faces of the two fixing plates respectively. The plurality of locking pieces are detachably connected with the plurality of locking holes in a one-to-one correspondence manner and are locked with the top surfaces of the first T-shaped beam and the second T-shaped beam; the two connecting plates are fixed to the bottom of the wet joint formwork, connecting holes are formed in the two connecting plates, the wet joint grout stopping formwork assembly and the splicing joint grout stopping structure belong to the technical field of highway engineering, the surface of a bridge joint does not need to be cleaned, meanwhile, grout leakage during construction is prevented, and the strength of the joint is improved.

Description

Technical Field

[0001] The utility model relates to a wet joint grout-stopping template component and a joint joint grout-stopping structure, belonging to the technical field of highway engineering. Background Art

[0002] The construction process of bridge wet joints refers to assembling prefabricated beam wing plates into long-span continuous beams, and using cast-in-place concrete between the beam bodies to connect the top surfaces of the beam bodies horizontally into an integral joint. During the construction of the bridge deck, the bottom template is needed to complete the pouring of the wet joints between the beams and slabs. At present, the commonly used template support method during the construction of wet joints is to assemble multiple pieces of bamboo plywood as the bottom template. Double-sided tape is needed to prevent leakage at the connection between the edge of the bamboo plywood and the bottom surface of the beam. However, the bridge is relatively high, and the bottom template of the wet joint is difficult to support and clean, which leads to leakage at the edge of the wet joint. The operation is cumbersome, and the service life of the bamboo plywood used as a template is short. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a wet joint grouting template assembly and a joint joint grouting structure, which can prevent grout leakage during construction without cleaning the bridge joint surface and improve the strength of the joint.

[0004] The utility model solves the above technical problems with the following technical solutions: a wet joint grouting template assembly, which is located below the joint between the first T-beam and the second T-beam to seal the bottom of the joint, and is characterized in that it includes:

[0005] A wet joint template, wherein two sides of the wet joint template are extended with bending sections to form a grouting groove that runs through along its length direction, the notch of the grouting groove corresponds to the joint seam, the bending section extends a fixing plate outward along the width direction of the joint seam, and a plurality of locking holes are opened at the bottom of the grouting groove, and the plurality of locking holes are arranged at intervals along the length direction of the grouting groove;

[0006] Two long strips of sealing sponges, the two long strips of sealing sponges are respectively fixed on the top surfaces of the two fixing plates;

[0007] A plurality of locking members, wherein the plurality of locking members are detachably connected to the plurality of locking holes in a one-to-one correspondence and are locked with the top surfaces of the first T beam and the second T beam;

[0008] Two connecting plates are vertically fixed at the bottom of both ends of the wet joint template in the length direction, and a plurality of connecting holes are provided on the two connecting plates.

[0009] The beneficial effects of the utility model are as follows: the wet joint template is bent to form a grouting groove, the grouting groove is located below the first T-beam and the second T-beam, and the opening of the grouting groove corresponds to the joint seam, the wet joint template is pressed tightly under the first T-beam and the second T-beam through a locking piece, and two long strips of sealing sponges seal the gap between the two fixed plates and the bottom surfaces of the first T-beam and the second T-beam to prevent leakage, the grouting groove can accommodate more slurry, increase the thickness of the joint seam sealing, and improve the mechanical strength; multiple connecting plates are provided with connecting holes, and multiple wet joint templates can be spliced ​​according to joint seams of different lengths, and the scope of application is wide.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the locking member comprises:

[0012] A support plate, wherein the support plate is provided with a through hole corresponding to the locking hole, the support plate spans the joint seam and the two ends of the support plate are respectively abutted and locked against the top surfaces of the first T beam and the second T beam;

[0013] A separator tube, the separator tube is fixed on the steel bars between the first T beam and the second T beam, and the upper and lower ends of the separator tube correspond to the through hole and the locking hole respectively;

[0014] A pull rod, wherein the pull rod passes through the through hole, the partition tube and the locking hole in sequence from top to bottom, the pull rod is slidably connected to the partition tube, the upper end of the pull rod is locked to the support plate by a first fastener, and the lower end of the pull rod is locked to the wet joint template by a second fastener to seal the elongated sealing sponge to the bottom surfaces of the first T-beam and the second T-beam.

[0015] The beneficial effects of adopting the above-mentioned further scheme are as follows: the partition tube is fixed between the first T-beam and the second T-beam, and the pull rod is slidably mounted in the partition tube. During grouting, the slurry and the pull rod are separated to prevent the pull rod from being cast in the slurry and unable to be removed; the support plate spans the joint, and the two side ends are respectively overlapped on the first T-beam and the second T-beam. One end of the pull rod is locked to the support plate by a first fastener, and the other end is locked to the locking hole of the wet joint template below by a second fastener. Two long sealing sponges are respectively pressed against the bottom of the first T-beam and the second T-beam to prevent slurry from leaking from the bottom of the first T-beam or the second T-beam.

[0016] Furthermore, threads are provided at both ends of the pull rod, and the first fastener includes a first locking nut and a gasket, the gasket abuts against the top of the support plate and its inner hole corresponds to the through hole, the first locking nut is threadedly connected to the upper end of the pull rod, and the second fastener is a second locking nut, which is located below the wet joint template and is threadedly connected to the lower end of the pull rod.

[0017] Furthermore, it also includes double-sided tape, and the long strip sealing sponge is fixed on the fixing plate by the double-sided tape.

[0018] The beneficial effects of adopting the above further solution are as follows: the double-sided adhesive tape is convenient for bonding and easy to remove after use.

[0019] Furthermore, a chamfer is provided at the connection between the bottom and the side wall of the grouting groove.

[0020] The beneficial effect of adopting the above further solution is: improving the aesthetics of the joint after casting.

[0021] Furthermore, the chamfer degree β is 130° to 140°.

[0022] Furthermore, it also includes two longitudinal reinforcement plates, which are vertically fixed to the bottom of the wet joint template and located on both sides of the plurality of locking holes.

[0023] Furthermore, it also includes a plurality of parallel arranged transverse reinforcement plates, wherein the plurality of transverse reinforcement plates are vertically fixed to the bottom of the wet joint template.

[0024] The beneficial effect of adopting the above further solution is that the longitudinal reinforcement plates and the transverse reinforcement plates improve the mechanical strength of the wet joint formwork.

[0025] Furthermore, the wet joint template is made of steel.

[0026] The utility model provides a technical solution to the above-mentioned technical problems as follows: a joint grouting structure, comprising a plurality of connecting bolts, a plurality of connecting nuts and a plurality of wet joint grouting template assemblies, wherein the plurality of wet joint grouting template assemblies are arranged in sequence along their length direction, and a plurality of connecting bolts pass through the connecting holes on two adjacent wet joint grouting template assemblies in correspondence, and a plurality of connecting nuts are correspondingly screwed with the plurality of connecting bolts to fix the connecting plates of two adjacent wet joint grouting template assemblies in place.

[0027] The utility model has the beneficial effects of determining the number of wet joint slurry-stopping template assemblies according to different lengths of joint seams, connecting two adjacent connection plates by connecting bolts and connecting nuts, and sealing the bottom of the joint seam, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A structural schematic diagram of a wet joint grout-stopping template assembly provided by the utility model;

[0029] Figure 2 A bottom view of a wet joint grout-stopping template assembly provided by the utility model;

[0030] Figure 3A schematic diagram of the construction of a wet joint grouting template assembly provided by the utility model;

[0031] Figure 4 A dimensioning diagram of a wet joint grouting template assembly provided by the utility model;

[0032] Figure 5 A partial schematic diagram of the completed grouting connection for the joint;

[0033] Figure 6 Schematic diagram of the completed grouting connection for the splicing joint.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. First T-beam; 2. Second T-beam; 3. Joint; 4. Wet joint template; 5. Grouting groove; 6. Fixing plate; 7. Long strip sealing sponge; 8. Locking piece; 81. Support plate; 82. Pull rod; 83. First fastener; 831. First locking nut; 832. Gasket; 9. Connecting plate; 10. Connecting hole; 11. Locking hole; 12. Longitudinal reinforcement plate; 13. Transverse reinforcement plate. DETAILED DESCRIPTION

[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0037] The utility model aims to provide a wet joint grouting template assembly and a joint grouting structure to solve the problems existing in the prior art, thereby preventing grout leakage during construction without cleaning the bridge joint surface and improving the strength of the joint.

[0038] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] The utility model provides a wet joint grouting template component, such as Figures 1 to 6 As shown, it is located below the joint 3 between the first T beam 1 and the second T beam 2 to seal the bottom of the joint 3, and includes:

[0040] A wet joint template 4, with bent sections extending from both sides of the wet joint template 4 to form a grouting groove 5 that penetrates along its length direction, the notch of the grouting groove 5 corresponds to the joint seam 3, the bent section extends a fixing plate 6 outwardly along the width direction of the joint seam 3, and a plurality of locking holes 11 are opened at the bottom of the grouting groove 5, and the plurality of locking holes 11 are arranged at intervals along the length direction of the grouting groove 5;

[0041] Two long strips of sealing sponges 7, the two long strips of sealing sponges 7 are respectively fixed on the top surfaces of the two fixing plates 6;

[0042] A plurality of locking members 8, the plurality of locking members 8 are detachably connected to the plurality of locking holes 11 corresponding to each other and locked to the top surfaces of the first T beam 1 and the second T beam 2;

[0043] Two connecting plates 9 are vertically fixed to the bottom of both ends of the wet joint template 4 in the length direction, and a plurality of connecting holes 10 are opened on the two connecting plates 9.

[0044] The utility model provides a wet joint grouting template assembly, in which the wet joint template 4 is bent to form a grouting groove 5, the grouting groove 5 is located below the first T-beam 1 and the second T-beam 2, and the opening of the grouting groove 5 corresponds to the joint seam 3, the wet joint template 4 is pressed tightly under the first T-beam 1 and the second T-beam 2 by a locking piece 8, two long strip sealing sponges 7 correspondingly seal the gap between the two fixed plates 6 and the bottom surfaces of the first T-beam 1 and the second T-beam 2 to prevent leakage, the grouting groove 5 can accommodate more slurry, increase the thickness of the joint seam 3, and improve the mechanical strength; a plurality of connecting plates 9 are provided with connecting holes 10, and a plurality of wet joint templates 4 can be spliced ​​according to the joint seams 3 of different lengths, and have a wide range of applications.

[0045] In a specific embodiment of the utility model, the bottom width a of the grouting groove 5 is 390-400 mm, preferably 395 mm.

[0046] In a specific embodiment of the present invention, the distance b between the outermost edges of the two fixing plates 6 is 510-530 mm, preferably 520 mm.

[0047] In a specific embodiment of the present invention, the width e of the fixing plate 6 is 28-32 mm, preferably 30 mm.

[0048] In a specific embodiment of the present invention, the depth f of the grouting groove 5 is 28-32 mm, preferably 30 mm.

[0049] In a specific embodiment of the utility model, the length of the wet joint template 4 is 1400-1600 mm, preferably 1500 mm.

[0050] In a specific embodiment of the utility model, the locking member 8 includes: a support plate 81, a separator tube and a pull rod 82. The support plate 81 is provided with a through hole corresponding to the locking hole 11. The support plate 81 spans the joint 3 and its two ends are respectively abutted and locked with the top surfaces of the first T-beam 1 and the second T-beam 2; the separator tube is fixed on the steel bar between the first T-beam 1 and the second T-beam 2, and its upper and lower ends respectively correspond to the through hole and the locking hole 11; the pull rod 82 passes through the through hole, the separator tube and the locking hole 11 from top to bottom in sequence, the pull rod 82 is slidably connected to the separator tube, the upper end of the pull rod 82 is locked with the support plate 81 by the first fastener 83, and the lower end of the pull rod 82 is locked with the wet joint template 4 by the second fastener to seal the elongated sealing sponge 7 with the bottom surfaces of the first T-beam 1 and the second T-beam 2.

[0051] The separator tube is fixed between the first T-beam 1 and the second T-beam 2, and the pull rod 82 is slidably mounted in the separator tube. During grouting, the slurry is separated from the pull rod 82 to prevent the pull rod 82 from being poured into the slurry and unable to be removed. The support plate 81 spans the joint 3, and the two side ends are respectively overlapped on the first T-beam 1 and the second T-beam 2. One end of the pull rod 82 is locked to the support plate 81 through the first fastener 83, and the other end is locked to the locking hole 11 of the wet joint template 4 below through the second fastener, and the two long sealing sponges 7 are respectively pressed against the bottom of the first T-beam 1 and the second T-beam 2 to prevent the slurry from leaking from the bottom of the first T-beam 1 or the second T-beam 2.

[0052] In a specific embodiment of the utility model, threads are provided at both ends of the pull rod 82, the first fastener 83 includes a first locking nut 831 and a gasket 832, the gasket 832 abuts against the top of the support plate 81 and its inner hole corresponds to the through hole, the first locking nut 831 is threadedly connected to the upper end of the pull rod 82, and the second fastener is a second locking nut, which is located below the wet joint template 4 and is threadedly connected to the lower end of the pull rod 82.

[0053] In a specific embodiment of the utility model, double-sided adhesive tape is also included, and the long strip sealing sponge 7 is fixed on the fixing plate 6 by the double-sided adhesive tape. The double-sided adhesive tape is convenient for bonding and easy to remove after use.

[0054] In a specific embodiment of the utility model, a chamfer is provided at the connection between the bottom of the grouting groove 5 and the side wall, so as to improve the aesthetics of the joint seam 3 after casting.

[0055] In a specific embodiment of the present invention, the degree β of the chamfer is 130° to 140°.

[0056] Preferably, the chamfer degree β is 135°.

[0057] In a specific embodiment of the utility model, two longitudinal reinforcing plates 12 are further included. The two longitudinal reinforcing plates 12 are vertically fixed to the bottom of the wet joint template 4 and are located on both sides of the plurality of locking holes 11 .

[0058] In a specific embodiment of the utility model, it further comprises a plurality of transverse reinforcement plates 13 arranged in parallel, and the plurality of transverse reinforcement plates 13 are vertically fixed on the bottom of the wet joint template 4 .

[0059] In a specific embodiment of the present invention, the material of the wet joint template 4 is steel.

[0060] The longitudinal reinforcement plates 12 and the transverse reinforcement plates 13 improve the mechanical strength of the wet joint formwork 4 .

[0061] In a specific embodiment of the present invention, the width d of the transverse reinforcement plate 13 is 38-42 mm, preferably 40 mm.

[0062] In a specific embodiment of the present invention, the distance h from the bottom of the transverse reinforcement plate 13 to the top of the fixing plate 6 is 70-75 mm, preferably 73 mm.

[0063] In a specific embodiment of the present invention, the distance between two adjacent transverse reinforcement plates 13 is 360-380 mm, preferably 369 mm.

[0064] The utility model provides a joint seam 3 grouting stopping structure, comprising a plurality of connecting bolts, a plurality of connecting nuts and a plurality of wet joint grouting stopping template assemblies, wherein the plurality of wet joint grouting stopping template assemblies are arranged in sequence along the length direction thereof, the plurality of connecting bolts correspondingly pass through the connecting holes 10 on two adjacent wet joint grouting stopping template assemblies, and the plurality of connecting nuts correspondingly screw-connect with the plurality of connecting bolts to fix the connecting plates 9 of the two adjacent wet joint grouting stopping template assemblies in connection.

[0065] The grout-stopping structure for the joint seam 3 provided by the utility model determines the number of wet joint grout-stopping template assemblies according to the lengths of the joint seams 3, connects two adjacent connecting plates 9 by connecting bolts and connecting nuts, and seals the bottom of the joint seam 3, which has a wide range of applications.

[0066] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wet joint grouting template assembly, which is located below a joint (3) between a first T-beam (1) and a second T-beam (2) to seal the bottom of the joint (3), characterized in that: include: A wet joint template (4), wherein two sides of the wet joint template (4) are extended with bent sections to form a grouting groove (5) that penetrates along its length direction, the notch of the grouting groove corresponds to the joint seam (3), the bent section extends outwardly along the width direction of the joint seam (3) to form a fixing plate (6), and the bottom of the grouting groove (5) is provided with a plurality of locking holes (11), and the plurality of locking holes (11) are arranged at intervals along the length direction of the grouting groove (5); Two long strips of sealing sponges (7), the two long strips of sealing sponges (7) being fixed on the top surfaces of the two fixing plates (6) respectively; A plurality of locking members (8), wherein the plurality of locking members (8) are detachably connected to the plurality of locking holes (11) in a one-to-one correspondence and are locked to the top surfaces of the first T-beam (1) and the second T-beam (2); Two connecting plates (9) are vertically fixed to the bottom of both ends of the wet joint template (4) in the length direction, and a plurality of connecting holes (10) are provided on the two connecting plates (9).

2. A wet joint stop template assembly according to claim 1, characterized in that: The locking member (8) comprises: A support plate (81), wherein the support plate (81) is provided with a through hole corresponding to the locking hole (11), the support plate (81) spans the joint seam (3) and the two ends of the support plate are respectively abutted and locked with the top surfaces of the first T beam (1) and the second T beam (2); A separator tube, the separator tube is fixed on the steel bars between the first T-beam (1) and the second T-beam (2), and the upper and lower ends of the separator tube correspond to the through hole and the locking hole (11) respectively; A pull rod (82), wherein the pull rod (82) passes through the through hole, the partition tube and the locking hole (11) in sequence from top to bottom, the pull rod (82) is slidably connected to the partition tube, the upper end of the pull rod (82) is locked to the support plate (81) by a first fastener (83), and the lower end of the pull rod (82) is locked to the wet joint template (4) by a second fastener so that the elongated sealing sponge (7) is sealed to the bottom surface of the first T-beam (1) and the second T-beam (2).

3. A wet joint stop template assembly according to claim 2, characterized in that: Both ends of the pull rod (82) are provided with threads, the first fastener (83) includes a first locking nut (831) and a gasket (832), the gasket (832) abuts against the top of the support plate (81) and its inner hole corresponds to the through hole, the first locking nut (831) is screwed to the upper end of the pull rod (82), and the second fastener is a second locking nut, the second locking nut is located below the wet joint template (4) and is screwed to the lower end of the pull rod (82).

4. A wet joint stop template assembly according to claim 1, characterized in that: It also includes double-sided adhesive tape, and the long strip sealing sponge (7) is fixed on the fixing plate (6) by means of the double-sided adhesive tape.

5. A wet joint stop template assembly according to claim 1, characterized in that: The connection between the bottom and the side wall of the grouting groove (5) is provided with a chamfer.

6. A wet joint stop template assembly according to claim 5, characterized in that: The degree β of the chamfer is 130° to 140°.

7. A wet joint stop template assembly according to claim 1, characterized in that: It also comprises two longitudinal reinforcing plates (12), which are vertically fixed to the bottom of the wet joint template (4) and are located on both sides of the plurality of locking holes (11).

8. A wet joint stop template assembly according to claim 7, characterized in that: It also comprises a plurality of transverse reinforcement plates (13) arranged in parallel, wherein the plurality of transverse reinforcement plates (13) are vertically fixed to the bottom of the wet joint template (4).

9. A wet joint stop template assembly according to claim 1, characterized in that: The material of the wet joint template (4) is steel.

10. A splicing seam grouting structure, characterized in that: It comprises a plurality of connecting bolts, a plurality of connecting nuts and a plurality of wet joint stop grouting formwork assemblies as described in any one of claims 1 to 9, wherein the plurality of wet joint stop grouting formwork assemblies are arranged in sequence along the length direction thereof, the plurality of connecting bolts correspondingly pass through the connecting holes (10) on two adjacent wet joint stop grouting formwork assemblies, and the plurality of connecting nuts correspondingly screwed with the plurality of connecting bolts fix the connecting plates (9) of two adjacent wet joint stop grouting formwork assemblies.

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