Prefabricated hinged T-beam bridge transverse connection screw reinforcing structure

Abstract

The utility model belongs to the field of bridge reinforcement, and relates to a prefabricated hinged T-beam bridge transverse linkage screw reinforcing structure which comprises an embedded sleeve connected to webs of a plurality of T-beams. A mounting hole is formed in a web plate of each T-beam, and the embedded sleeve is connected into the corresponding mounting hole; the center lines of the pre-buried sleeves are on the same horizontal line; the web plates of the plurality of T-shaped beams are respectively connected with one base plate; a screw movably penetrates through each embedded sleeve, the center lines of the multiple screws located on the same horizontal line are located on the same horizontal line, and the screws are in threaded connection with nut pieces. And every two adjacent screw rods are connected with each other. After the structure is adopted, the T-shaped beam connecting device has the advantages that the screw rods are sequentially fastened through the nut pieces to transmit transverse pre-pressure, the pre-pressure of the screw rods is transmitted to the web plates of the T-shaped beams through the steel base plates, and therefore the T-shaped beams are fastened and connected together in the transverse direction, construction is efficient, and cost is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge reinforcing technical field, concretely relates to a prefabricated hinged T beam bridge transverse contact screw rod reinforcing structure. BACKGROUND

[0002] The prefabricated hinged T beam bridge is a common bridge form, and the bridge structure is simple, convenient to construct and economical, and is widely applied to small and medium span bridges on low-grade roads. With the increase of traffic volume and service time, the hinge joint disease of the bridge structure is prone to occur, which leads to the decline of transverse contact performance, and the single beam stress is generated in severe cases, but the single beam bearing capacity still meets the design requirements. In this case, the transverse contact needs to be reinforced to enhance the transverse overall performance of the bridge.

[0003] At present, the prefabricated hinged T beam bridge transverse contact reinforcement is usually to recast the bridge deck concrete pavement layer and increase the cross diaphragm, and the construction period of this method is long, and even the traffic needs to be closed for construction, and the construction cost is high. Therefore, it is necessary to improve. UTILITY MODEL CONTENT

[0004] In order to solve the above problems of the prior art, the utility model provides a prefabricated hinged T beam bridge transverse contact screw rod reinforcing structure, which is simple in structure, convenient to operate and high in practicality.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] As one aspect of the utility model, a prefabricated hinged T beam bridge transverse contact screw rod reinforcing structure is provided, which comprises: a pre-buried sleeve connected to the webs of a plurality of T beams; each web of the T beam is provided with a mounting hole, and the pre-buried sleeve is connected to the corresponding mounting hole;

[0007] The center lines of the plurality of pre-buried sleeves are on the same horizontal line; further comprising a pad plate, and each web of the plurality of T beams is connected to a pad plate; a screw rod is movably inserted into each pre-buried sleeve, and the center lines of the plurality of screw rods on the same horizontal line are on the same horizontal line, and a nut member is threadedly connected to the screw rod; and the adjacent two screw rods are connected.

[0008] According to the utility model, the mounting hole is filled with epoxy resin glue.

[0009] According to the utility model, the diameter of the screw rod is greater than the diameter of the longitudinal main reinforcement of the web of the T beam.

[0010] According to the utility model, a nut washer is provided on the screw rod, and the nut washer is located between the nut member and the pad plate.

[0011] According to the utility model, the adjacent two screw rods are connected through a connecting sleeve, and the connecting sleeve is provided with an internal thread.

[0012] According to this utility model, the pad is provided with a reserved hole for the screw to pass through; the screw passes through the corresponding reserved hole.

[0013] The beneficial effects of this prefabricated articulated T-beam bridge transverse connecting bolt reinforcement structure are specifically reflected in the following aspects: Transverse preload is transmitted by sequentially tightening the bolts with nuts; the preload of the bolts is transmitted to the web of the T-beam through steel pads, thereby transversely binding the T-beams together; after opening holes in the web, the embedded sleeves and the inner walls of the ducts are bonded with epoxy resin, and the contact surfaces of the steel pads on both sides of the web with the T-beams are also bonded with epoxy resin, increasing the synergy between the bolt reinforcement system and the T-beam structure and strengthening the transverse connection; the bolts are mechanically connected, facilitating on-site transportation and operation, requiring no large construction equipment, not interrupting traffic, and offering high construction efficiency and low cost, making it particularly suitable for T-beam reinforcement on low-grade roads. Attached Figure Description

[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0015] Fig. 1 This is a structural schematic diagram of the transverse connecting bolt reinforcement structure for the prefabricated articulated T-beam bridge of this utility model;

[0016] Fig. 2 This is a side view of the prefabricated articulated T-beam bridge transverse connecting bolt reinforcement structure of this utility model. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0018] One embodiment of this application provides a transverse connecting bolt reinforcement structure for a prefabricated hinged T-beam bridge, such as... Figs. 1-2 As shown, it includes: a pre-embedded sleeve 2 connected to the web plate 11 of several T beams 1; each T beam 1 has an installation hole on its web plate 11, the pre-embedded sleeve 2 is connected to the corresponding installation hole, and the installation hole is filled with epoxy resin to make the installation hole and the pre-embedded sleeve 2 have no gap.

[0019] If the centerline of the embedded sleeve 2 is on the same horizontal line;

[0020] Further comprising a pad plate 3, the web plate 11 of several T-beams 1 is respectively connected with a pad plate 3; the corresponding positions of the web plate 11 of several T-beams 1 are chiseled and the surface dust is cleaned, and then the pad plate 3 is placed in the preset position, the pad plate 3 is provided with a reserved hole for the screw rod 4 to pass through;

[0021] The screw rod 4 is movably passed through each embedded sleeve 2, the diameter of the screw rod 4 is greater than that of the longitudinal main reinforcement 12 of the web plate of the T-beam 1; the screw rod 4 passes through the corresponding reserved hole, and the nut member 5 is threadedly connected to the screw rod 4, the nut member 5 is close to the corresponding pad plate 3, and the center lines of the several screw rods 4 are on the same horizontal line;

[0022] The adjacent two screw rods 4 are connected through the connecting sleeve 6, the connecting sleeve 6 is provided with an internal thread, and the adjacent two screw rods 4 are threadedly connected with the connecting sleeve 6, so that the web plates 11 of the adjacent T-beams 1 are connected through the screw rods 4, the pre-pressure can be transversely transmitted through the screw rods 4, and the center lines of the several screw rods 4 are on the same horizontal line; it should be pointed out that when the connecting sleeve 6 is connected with the screw rod 4, the nut member 5 cooperates to achieve that both ends of the screw rod 4 are in a fastened state, which is a common means in the art and will not be described in detail.

[0023] Further, the screw rod 4 is provided with a nut washer 7, and the nut washer 7 is located between the nut member 5 and the pad plate 3.

[0024] In use, the specific implementation steps of the embodiment are as follows: step 1. Measurement and lofting: measuring on the web plate 11 of the T-beam 1, marking the positions of the installation holes and the positions of the pad plates 3 at the preset positions, and identifying the positions of the longitudinal main reinforcements 12 of the T-beams 1 near the positions of the installation holes to avoid damaging the steel bars in the concrete in the subsequent construction process;

[0025] Step 2. Steel member production: processing the embedded sleeve 2, the screw rod 4, the nut member 5, the pad plate 3 and the connecting sleeve 6, the screw rod 4 can pass through the embedded sleeve 2, and is rotated and screwed into the connecting sleeve 6 and the nut member 5;

[0026] Step 3. T-beam web plate hole opening and embedded sleeve: using a water drill to punch holes at the marked positions on the web plate 11 of the T-beam 1, cleaning the hole dust, then putting the embedded sleeve 2 into the hole, and injecting epoxy resin glue into the gap between the hole and the embedded sleeve 2 to fix the embedded sleeve 2;

[0027] Step 4. Chiseling of the contact surface between the web plate of the T-beam and the steel pad plate: mechanically chiseling at the positions of the pad plates 3 on both sides of the web plate 11 of the T-beam 1, and cleaning the surface dust;

[0028] Step 5. Screw through the embedded sleeve: screw 4 through the embedded sleeve 2 in the web 11 of the T-beam 1, then put the washer 3 and the nut washer 7 through the screw 4, and then screw the nut 5 near the washer 3, and connect the adjacent screw 4 ends with the connecting sleeve 6.

[0029] Step 6. Apply epoxy resin glue on the chiseled surface of the T-beam: apply epoxy resin glue on the chiseled surface of the web concrete of the T-beam;

[0030] Step 7. Tighten the nuts according to the tightening sequence: use a torque wrench to tighten the nuts 5 on the outer sides of the adjacent two webs 11 in a group from the middle of the T-beam, and finally tighten the nuts 5 on the inner sides of the outermost two webs 11 of the T-beam 1, so as to sequentially press the adjacent two webs 11 inward, and thus strengthen the transverse connection between the multiple T-beams 1, so that the multiple T-beams form a whole and can bear force cooperatively, thereby solving the problem of the single beam breaking due to force.

[0031] Step 8. Corrosion protection of steel members: apply corrosion protection paint on the surfaces of all exposed steel members.

[0032] In this embodiment, the nuts are used to sequentially tighten the screws to transmit the transverse pre-compressive force, the pre-compressive force of the screws is transmitted to the webs of the T-beams through the steel washers, so as to transversely fasten and connect the multiple T-beams together; after the webs are holed, the embedded sleeves and the inner walls of the holes are fixed by epoxy resin glue, and the contact surfaces between the steel washers on both sides of the webs and the T-beams are also fixed by epoxy resin glue, thereby increasing the cooperativeness of the screw reinforcement system and the T-beam structure in bearing force and strengthening the transverse connection; the mechanical connection between the screws is connected, the on-site transportation and operation are convenient, large construction equipment is not needed, and traffic is not interrupted, so that the construction is efficient and low in cost, and is especially suitable for T-beam reinforcement on low-grade roads.

[0033] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0034] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of the components themselves.

[0035] In addition, it should be noted that the use of "first", "second" and the like to define parts only facilitates the differentiation of corresponding parts, and unless otherwise stated, the above words have no special meaning, therefore cannot be understood as a limitation on the scope of protection of the present application.

[0036] The above is only a preferred embodiment of the present application, and any changes and modifications made within the scope of the present application shall be within the scope of the present application.

Claims

1. A prefabricated hinged T-beam bridge transverse tie rod reinforcement structure, characterized by, The utility model relates to a T-beam prefabricated sleeve connection structure, which comprises: a plurality of embedded sleeves connected to the webs of the T-beams; each of the webs of the T-beams is provided with a mounting hole, and the embedded sleeves are connected to the corresponding mounting holes; the center lines of the plurality of embedded sleeves are on the same horizontal line; the structure further comprises a plurality of pads, each of which is connected to the web of a T-beam; a screw rod is movably inserted into each of the embedded sleeves, the center lines of the plurality of screw rods on the same horizontal line are on the same horizontal line, a nut member is threadedly connected to the screw rod, and the adjacent two screw rods are connected to each other.

2. The prefabricated hinged T-beam bridge transverse bracing screw reinforcement structure according to claim 1, characterized in that, The mounting holes are filled with epoxy resin glue.

3. The prefabricated hinged T-beam bridge transverse bracing screw reinforcement structure according to claim 1, characterized in that, The diameter of the screw rod is greater than the diameter of the longitudinal main reinforcement of the web of the T-beam.

4. The prefabricated hinged T-beam bridge transverse bracing screw reinforcement structure according to claim 3, characterized in that, A nut washer is arranged on the screw rod, and the nut washer is located between the nut member and the pad.

5. The prefabricated hinged T-beam bridge transverse bracing screw reinforcement structure according to claim 2, characterized in that, The adjacent two screw rods are connected to each other through a connecting sleeve, and the connecting sleeve is internally provided with an internal thread.

6. The prefabricated hinged T-beam bridge transverse bracing screw reinforcement structure according to claim 5, characterized in that, The pad is provided with a reserved hole for the screw rod to pass through; and the screw rod passes through the corresponding reserved hole.

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