CN211228019U

CN211228019U - Road and bridge crack repairing structure

Info

Publication number: CN211228019U
Application number: CN201921969570.6U
Authority: CN
Inventors: 范文航; 杨婷; 冉旭; 陈家立
Original assignee: Chongqing Jiaotong University Engineering Design And Research Institute Co ltd
Current assignee: Chongqing Jiaotong University Engineering Design And Research Institute Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-11
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a road and bridge crack repair structure relates to road and bridge and repairs the structure, aims at solving the relatively lower problem of joint strength behind the current road and bridge crack repair, and its technical scheme main points are: include through the recess that forms and make the cell wall of recess be wavy structure to the crack surface chisel hair, the recess extends along cracked length direction, the connecting hole of a plurality of frustum column structures is seted up respectively to the recess along its extending direction's both sides, the connecting hole is path open structure and its opening towards center one side of recess, be provided with the connecting rod in the recess, the both ends of connecting rod penetrate respectively in the connecting hole of the difference along recess extending direction both sides, cladding one deck respectively in the surface of recess and the connecting hole and pack have self-healing concrete layer, self-healing concrete layer deviates from recess wall one side and fills and have concrete layer one. The utility model discloses a joint strength is higher relatively.

Description

Road and bridge crack repairing structure

Technical Field

The utility model relates to a road and bridge repair structure, more specifically say, it relates to a road and bridge crack repair structure.

Background

The road and bridge are generally composed of several parts of roadbed, road surface, bridge, tunnel engineering and traffic engineering facilities, etc., and the road surface is a layer structure which is made up by using various road-building materials or mixed materials and is layered on the roadbed of highway for running of car.

The existing road and bridge is easy to crack after being rolled by pedestrians, vehicles and the like for a long time, and the use of the road and bridge is seriously influenced. However, in the existing bridge and road crack repair, the crack repair is mostly completed only by simply filling concrete. With the repair method, only cracks of the road and bridge can be filled, and the limit effect on the expansion of the cracks is relatively weak due to the relatively low connection strength of the filled concrete.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a road and bridge crack repair structure, its joint strength is bigger relatively.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a road and bridge crack repair structure, includes through the recess that forms to the crack surface chisel hair and make the cell wall of recess be wavy structure, the recess extends along fissured length direction, the connecting hole of a plurality of frustum column structures is seted up respectively to the recess along its extending direction's both sides, the connecting hole is path open structure and its opening towards the center one side of recess, be provided with the connecting rod in the recess, the both ends of connecting rod penetrate respectively in the connecting hole of the difference along recess extending direction both sides, cladding one deck respectively in the surface of recess and the connecting hole and pack have self-healing concrete layer, self-healing concrete layer deviates from recess wall one side and fills and has concrete layer one.

Through adopting above-mentioned technical scheme, the recess that the chisel hair formed, make the cell wall of recess be wavy structure, make the cell wall of recess and the effectual increase of joint strength of self-healing concrete, the both ends of connecting rod penetrate respectively in the joint hole that is frustum column structure simultaneously, the both ends of connecting rod are through filling self-locking in the self-healing concrete layer of joint hole in the connecting hole, can the effectual degree of difficulty that the increase connecting rod breaks away from the connecting hole, thereby can effectual increase the joint strength to the crack both sides, make the effectual increase of the degree of difficulty that the crack increases, adopt the self-healing concrete layer that the self-healing concrete formed simultaneously can fill the defect that the recess internal part still exists automatically, can further increase the joint strength to the crack both sides.

The utility model discloses further set up to: the two ends surrounding the connecting rod and penetrating into different connecting holes are respectively provided with a connecting ring platform in an integrated forming mode, and the connecting ring platforms are distributed along the length direction of the connecting rod.

Through adopting above-mentioned technical scheme, the joint ring platform can further increase the joint strength of connecting rod and self-healing concrete layer, can further increase the degree of difficulty that the connecting rod breaks away from self-healing concrete layer for the result of use is better.

The utility model discloses further set up to: the concrete layer is embedded with a plurality of connecting plates distributed along the extending direction of the groove, the connecting plates are provided with a plurality of connecting screw rods in a penetrating mode, the connecting plates are grid plates, the connecting screw rods are divided into two groups, two groups of connecting screw rods are arranged at two ends of the connecting plates along the extending direction of the groove respectively, and the connecting screw rods are vertically arranged and the lower ends of the connecting screw rods penetrate into the groove wall of the groove.

Through adopting above-mentioned technical scheme, the connecting plate of grid plate structure can the intensity of the reinforcing concrete layer one of certain degree, connecting screw can make the connecting strength effectual increase of the cell wall of connecting plate and recess simultaneously, when the crack has the trend of enlargeing, the connecting plate can the balanced crack of certain degree enlarge the power that produces, connecting screw can expand the power that produces with the crack and transmit to the cell wall of recess in simultaneously, further increase the connecting strength between the cell wall of concrete layer one and recess, the degree of difficulty of effectual increase crack expansion, make the result of use better relatively.

The utility model discloses further set up to: the connecting plate is provided with a plurality of openings distributed along the extending direction of the groove, and the first connecting screw rod penetrates through the openings and is connected with the openings in a sliding mode, and the first connecting screw rod can horizontally slide along the extending direction perpendicular to the groove through the openings.

Through adopting above-mentioned technical scheme, make when the construction, the position of the relative cell wall of recess of accessible opening adjustment connecting screw, simultaneously because the recess is for the formation of chiseling the crack, the cell wall of recess is the concrete material, make the cell wall of recess can have some parts not by the small crack of chiseling the clearance, slide along the opening through connecting screw and can avoid the small crack not cleared up, so that the position that makes connecting screw penetrate the cell wall of recess is better, reduce the cell wall destruction degree to the recess.

The utility model discloses further set up to: the first connecting screw rod is in threaded connection with a first connecting nut, and the opening edge of the opening is clamped between the first connecting nut and the second connecting nut.

Through adopting above-mentioned technical scheme, by the centre gripping between two coupling nut one through open-ended opening border, can make a relative connecting plate of connecting screw fixed, pack the concrete simultaneously and can make connecting screw one and concrete layer one's joint strength bigger relatively after the recess forms concrete layer one for the result of use is better relatively.

The utility model discloses further set up to: and a reinforcing rod is arranged between the connecting plate and the connecting rod, and two ends of the reinforcing rod are respectively and fixedly connected to the connecting plate and the connecting rod.

Through adopting above-mentioned technical scheme, the stiffener couples together connecting plate and connecting rod, can effectual reinforcing concrete layer one the wholeness to can be effectual one destroyed degree of difficulty of increase concrete layer, further optimize the result of use.

The utility model discloses further set up to: two sets of connecting screw one is back of the body one side of leaving separately and is provided with a plurality of connecting screw two, connecting screw two slides and connects in two threaded connection of opening and connecting screw have two coupling nut two, the open-ended border is by the centre gripping between two coupling nut two, connecting screw two is the slope setting and its lower extreme orientation is kept away from the perpendicular bisector direction extension of connecting plate, the lower extreme of connecting screw two penetrates to the cell wall of recess in.

Through adopting above-mentioned technical scheme, the connecting screw rod two that is the slope setting can make the power that the crack enlarges and produce decompose into two component forces of level and vertical direction, can further balance the power that the trend that the crack enlarges produced to can further strengthen the ability that the concrete layer once born the power that the crack produced when having the trend of enlarging.

The utility model discloses further set up to: two guide tubes are arranged between two second connecting nuts on the same second connecting screw rod, the guide tubes are sleeved outside the second connecting screw rod, and the included angle between the end face of one opposite side of each guide tube and the central axis of each guide tube is smaller than 90 degrees, so that the lower end of the second connecting screw rod extends towards the direction of the perpendicular bisector far away from the connecting plate.

By adopting the technical scheme, the included angle between the end face of one side of each of the two opposite guide tubes and the central axis of each guide tube is smaller than 90 degrees, the included angle between the central axis of each guide tube and the connecting plate is smaller than 90 degrees, the included angle between the connecting screw rod II and the connecting plate is smaller than 90 degrees under the action of the guide tubes, and the lower end of the connecting screw rod II extends downwards in an inclined mode towards the direction away from the perpendicular bisector of the connecting plate.

The utility model discloses further set up to: and a sealant layer, a concrete layer II and an asphalt concrete layer are sequentially paved above the concrete layer I.

Through adopting above-mentioned technical scheme, the joint strength between the sealant layer can effectual reinforcing concrete layer one and the concrete layer two can play waterproof effect simultaneously, and asphalt concrete layer can effectual reinforcing crack repair accomplish the back, and the durability of structure is repaired to the crack, further optimizes the result of use.

To sum up, the utility model discloses following beneficial effect has:

1. the connecting screw rod I, the connecting plate, the reinforcing rod and the connecting rod are inserted into different connecting holes respectively, so that the connecting strength of the concrete layer I can be effectively enhanced, the crack is difficult to expand when the crack tends to expand, meanwhile, the groove formed by roughening and the groove wall of the groove are of a wavy structure, the connection between the groove wall of the groove and the self-healing concrete layer is tighter, the connecting strength is higher, the self-healing concrete layer can fill part of small cracks which are not trimmed, and the using effect can be further optimized;

2. the plurality of openings that the connecting plate was seted up can make connecting screw rod one and connecting screw rod two insert the position of locating the cell wall of recess adjustable, can avoid the small crack that the recess internal portion was not maintained, can effectual reduction to the secondary injury of crack when inserting connecting screw rod one and connecting screw rod two for the result of use is better relatively.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a sectional view A-A of the novel concrete layer I of FIG. 1, taken away, and mainly used for showing the internal structure of the groove;

fig. 3 is an enlarged view of a portion a of fig. 1, which is mainly used for showing the structure of a self-healing concrete layer;

fig. 4 is a schematic view of a part of the structure of the present invention, which is mainly used for showing the structure of the connecting plate.

In the figure: 1. a groove; 11. connecting holes; 12. a connecting rod; 121. a connecting ring platform; 13. self-healing the concrete layer; 14. a first concrete layer; 15. a connecting plate; 151. connecting a first screw rod; 152. an opening; 153. a first connecting nut; 154. connecting a second screw rod; 155. a second connecting nut; 156. a guide tube; 16. a reinforcing bar; 2. a glue sealing layer; 3. a concrete layer II; 4. an asphalt concrete layer.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A road and bridge crack repair structure, refer to fig. 1 and 2, include through the recess 1 that the chisel hair formed to road and bridge crack surface, the cell wall of recess 1 is wavy structure, recess 1 is along the length direction colour of crack. The two sides of the groove 1 along the extending direction are respectively provided with a plurality of connecting holes 11 which are in frustum structures, and the small-diameter opening of each connecting hole 11 faces one side of the center of the groove 1 and the connecting holes 11 are in small-diameter opening structures.

Referring to fig. 2 and 3, the bottom wall of the groove 1 and the connection hole 11 are respectively coated and filled with a self-healing concrete layer 13 formed by self-healing concrete, and a plurality of connection rods 12 distributed along the length direction of the groove 1 are arranged in the groove. Both ends of the connecting rod 12 penetrate into the connecting holes 11 along different sides of the length direction of the groove 1 respectively, a plurality of connecting ring platforms 121 are integrally formed at both ends of the connecting rod 12 penetrating into the connecting holes 11 respectively, and the plurality of connecting ring platforms 121 are distributed along the length direction of the connecting rod 12.

The groove 1 is filled with a first concrete layer 14 made of concrete, and the first concrete layer 14 is located on one side, away from the groove wall of the groove 1, of the self-healing concrete layer 13. The connecting rod 12 and the connecting ring platform 121 are embedded in the first concrete layer 14 and the self-healing concrete layer 13.

Referring to fig. 2 and 4, a plurality of connecting plates 15 distributed along the extending direction of the groove 1 are embedded in the first concrete layer 14, and a plurality of first connecting screws 151 penetrate through the connecting plates 15. The first connecting screws 151 are divided into two groups, and the two groups of the first connecting screws 151 are respectively positioned on two sides along the extending direction of the groove 1. A plurality of connecting screw rod 151 of every group distribute along the extending direction of recess 1, and connecting screw rod 151 is vertical setting and its lower extreme passes in the cell wall of self-healing concrete layer 13 and recess 1 in proper order. Wherein the connection plate 15 is a grid plate for reinforcing the strength of the concrete layer one 14, and a plurality of connection screws one 151 of the same group are distributed along the extending direction of the groove 1.

The connecting plate 15 is provided with a plurality of openings 152 distributed along the extending direction of the groove 1, and the openings 152 are in a strip structure and extend along the extending direction perpendicular to the groove 1. The first connecting screw 151 is slidably connected to the opening 152, and the first connecting screw 151 passes through the opening 152, and the first connecting screw 151 can horizontally slide along the extending direction perpendicular to the groove 1 through the opening 152.

Referring to fig. 2 and 4, the connection screw rod one 151 is threadedly connected with two connection nuts one 153, and an opening edge of the opening 152 is clamped between the two connection nuts one 153.

Between the connecting plate 15 and the connecting rod 12 a plurality of reinforcing rods 16 are arranged, distributed along the extension of the groove 1. The reinforcing rod 16 is vertically arranged and two ends of the reinforcing rod are respectively and fixedly connected to the middle parts of the connecting plate 15 and the connecting rod 12.

The two groups of the first connecting screws 151 are respectively provided with a plurality of second connecting screws 154 at the opposite sides, the second connecting screws 154 are connected with the openings 152 in a sliding manner, and the sliding direction of the second connecting screws 154 is parallel to the sliding direction of the first connecting screws 151. The second connecting screw 154 is disposed obliquely and its lower end extends obliquely downward in a direction away from the perpendicular bisector of the connecting plate 15. Wherein a plurality of second connecting screw rods 154 which are positioned on the same side of the first connecting screw rods 151 departing from the perpendicular bisector direction of the connecting plate 15 are distributed along the extending direction of the groove 1, and the lower ends of the second connecting screw rods 154 firstly penetrate through the self-healing concrete layer 13 and then penetrate into the groove wall of the groove 1.

The second connecting screw 154 is in threaded connection with a second connecting nut 155, and two guide tubes 156 are arranged on opposite sides of the second connecting nut 155. The guide pipes 156 are sleeved outside the second connecting screw 154, the included angle between the end surfaces of the opposite ends of the two guide pipes 156 and the central axis of the two guide pipes is smaller than 90 degrees, and the opening edge of the opening 152 is clamped between the two guide pipes 156, so that the second connecting screw 154 is obliquely arranged.

Referring to fig. 1, a sealant layer 2 for reinforcing connection and waterproofing, a second concrete layer 3 serving as a base, and an asphalt concrete layer 4 are sequentially laid above the first concrete layer 14. Wherein, the glue sealing layer 2 is a glue layer formed by adopting a joint sealing glue, and the asphalt concrete layer 4 is an I-type dense-graded asphalt concrete layer.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a road and bridge crack repair structure which characterized in that: include recess (1) through forming the chisel hair to the crack surface and make the cell wall of recess (1) be wavy structure, recess (1) extends along fissured length direction, connecting hole (11) of a plurality of frustum column structures are seted up respectively to recess (1) along its extending direction's both sides, connecting hole (11) are path open structure and its opening towards center one side of recess (1), be provided with connecting rod (12) in recess (1), the both ends of connecting rod (12) penetrate respectively in connecting hole (11) of the difference along recess (1) extending direction both sides, it has self-healing concrete layer (13) to wrap up the one deck respectively in diapire and the connecting hole (11) of recess (1) and fill with self-healing concrete layer (13), self-healing concrete layer (13) deviate from recess (1) wall one side and fill and have concrete layer (14).

2. A road and bridge crack healing structure as claimed in claim 1, wherein: encircle both ends that connecting rod (12) penetrated different connecting holes (11) are integrated into one piece respectively and are had a plurality of connecting ring platform (121), and are a plurality of connecting ring platform (121) distribute along the length direction of connecting rod (12).

3. A road and bridge crack healing structure as claimed in claim 2, wherein: concrete layer (14) is embedded to be equipped with a plurality of connecting plates (15) that distribute along recess (1) extending direction, connecting plate (15) are worn to be equipped with a plurality of connecting screw rod (151) and connecting plate (15) and are the waffle slab, and are a plurality of connecting screw rod (151) divide into two sets ofly and two sets of connecting screw rod (151) and set up respectively in connecting plate (15) along recess (1) extending direction's both ends, connecting screw rod (151) are vertical setting and its lower extreme penetrates in the cell wall of recess (1).

4. A road and bridge crack repairing structure as claimed in claim 3, wherein: the connecting plate (15) is provided with a plurality of openings (152) distributed along the extending direction of the groove (1), and the first connecting screw (151) penetrates through and slides to be connected with the openings (152) and the first connecting screw (151) can slide horizontally along the extending direction vertical to the groove (1) through the openings (152).

5. A road and bridge crack repairing structure of claim 4, wherein: the first connecting screw rod (151) is in threaded connection with two first connecting nuts (153), and the opening edge of the opening (152) is clamped between the two first connecting nuts (153).

6. A road and bridge crack repairing structure of claim 5, wherein: be provided with stiffener (16) between connecting plate (15) and connecting rod (12), the both ends of stiffener (16) are fixed connection respectively in connecting plate (15) and connecting rod (12).

7. A road and bridge crack repairing structure of claim 6, wherein: two sets of connecting screw one (151) one side of keeping away from is provided with a plurality of connecting screw two (154) respectively, connecting screw two (154) slide to be connected in opening (152) and connecting screw two (154) threaded connection have two coupling nut two (155), the border of opening (152) is by the centre gripping between two coupling nut two (155), connecting screw two (154) are the slope setting and its lower extreme orientation extends to keeping away from the perpendicular bisector direction of connecting plate (15), the lower extreme of connecting screw two (154) penetrates to the cell wall of recess (1) in.

8. A road and bridge crack repairing structure of claim 7, wherein: two guide tubes (156) are arranged between two second connecting nuts (155) on the same second connecting screw rod (154), the second connecting screw rod (154) is sleeved with the guide tubes (156), and the included angle between the end surface of one opposite side of the two guide tubes (156) and the central axis of the guide tubes (156) is smaller than 90 degrees, so that the lower end of the second connecting screw rod (154) extends towards the direction of the perpendicular bisector far away from the connecting plate (15).

9. A road and bridge crack healing structure as claimed in claim 8, wherein: and an adhesive sealing layer (2), a concrete layer II (3) and an asphalt concrete layer (4) are sequentially paved above the concrete layer I (14).