CN110952414B - Highway expansion joint sealing protection method - Google Patents
Highway expansion joint sealing protection method Download PDFInfo
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- CN110952414B CN110952414B CN201911316993.2A CN201911316993A CN110952414B CN 110952414 B CN110952414 B CN 110952414B CN 201911316993 A CN201911316993 A CN 201911316993A CN 110952414 B CN110952414 B CN 110952414B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
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Abstract
The invention discloses a highway expansion joint sealing protection method, which comprises the following steps: a concrete mortar layer is arranged in the expansion joint; two side walls of the expansion joint are symmetrically nailed into anchor rods; arranging a waterproof layer on the concrete mortar layer; the round groove at the head end of the anchor rod is connected with the connecting rod; the second end of the connecting rod is fixedly connected with an expansion joint supporting mechanism; fixedly connecting the concave positioning plate to the top end of the side wall of the expansion joint in a manner that the openings are opposite, and enabling the upper surface of the concave positioning plate to be flush with the upper surface of the expansion joint; extending the two ends of the elastic sealing plate into the concave positioning plate from the two ends of the concave positioning plate to form a cover plate covering the surface of the expansion joint; and (3) coating waterproof glue in the gap between the concave positioning plate and the side wall of the expansion joint, and adhering the diversion trench in the gap before the waterproof glue is solidified. It is under the prerequisite of having guaranteed highway along axis direction or vertical direction's free deformation for the expansion joint is protected by sealed, has reduced the foreign matter and has got into the problem that the expansion joint influences the normal use of expansion joint.
Description
Technical Field
The invention relates to the technical field of expansion joint construction, in particular to a highway expansion joint sealing protection method.
Background
The expansion joint of the highway refers to an expansion joint which is usually arranged on the pavement along the transverse direction in order to meet the requirement that the pavement expands with heat and contracts with cold due to the change of temperature. The expansion joint is required to be freely telescopic in two directions parallel to and vertical to the axis of the road surface, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient.
The existing highway expansion joints are mainly of a structure that gaps are directly reserved on the pavement expansion joints, the arrangement of the structure enables rainwater, garbage, soil and the like to block the gaps easily, the expansion joints cannot meet the requirement of thermal expansion deformation of the pavement, and then the pavement is expanded, cracks are generated, normal use of the pavement is influenced, ride comfort of a vehicle is reduced, and meanwhile the service life of the highway is greatly shortened.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a method for sealing and protecting the expansion joint of the highway, which ensures that the expansion joint is sealed and protected on the premise of ensuring the free deformation of the highway along the axial direction or the vertical direction, and reduces the problem that foreign matters enter the expansion joint to influence the normal use of the expansion joint.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
a highway expansion joint sealing and protecting method comprises the following steps:
s1, cleaning up sundries in the expansion joint, and coating concrete mortar on the bottom surface and the side wall of the expansion joint to form a concrete mortar layer;
s2, symmetrically nailing anchor rods into the two side walls of the expansion joint along the extension direction of the expansion joint, and enabling the head ends of the anchor rods to protrude 2-5cm from the side walls;
s3, spraying waterproof paint on the concrete mortar layer to form a waterproof layer; waterproof glue is smeared at the gap between the anchor rod and the side wall;
s4, connecting rods are connected through circular grooves which are arranged at the head ends of the anchor rods and are sunken into the anchor rods; the first end of the connecting rod is arranged to be a ball end which is embedded in the circular groove and can rotate along the inner wall of the circular groove; the second end of the connecting rod is fixedly connected with an expansion joint supporting mechanism;
wherein, expansion joint supporting mechanism includes:
the first supporting springs are uniformly arranged on the bottom surface of the expansion joint, the bottom ends of the first supporting springs extend into the concrete mortar layer, and the top ends of the first supporting springs extend vertically upwards;
the transverse supporting plate is an arc-shaped plate with an opening arranged downwards and elasticity; the arc-shaped plate is buckled on the first supporting spring, and an inner top plate of the arc-shaped plate is abutted against the top end of the first supporting spring; the two ends of the arc-shaped plate are fixedly connected with the two ends of the bottom surface of the expansion joint;
the longitudinal supporting plates are uniformly arranged at intervals in a direction parallel to the side wall of the expansion joint, and the longitudinal supporting plate closest to the side wall of the expansion joint is fixedly connected with the second end of the connecting rod; the top surface of the longitudinal support plate is 5-10cm lower than the upper surface of the expansion joint; two adjacent longitudinal support plates are provided with second support springs; two ends of the second supporting spring are respectively connected with the surface of the longitudinal supporting plate;
s5, fixedly connecting a concave positioning plate to the top end of the side wall of the expansion joint in a mode that the openings are opposite, and enabling the upper surface of the concave positioning plate to be flush with the upper surface of the expansion joint;
s6, extending the two ends of the elastic sealing plate into the concave positioning plate from the two ends of the concave positioning plate to form a cover plate covering the surface of the expansion joint;
and S7, coating waterproof glue in the gap between the concave positioning plate and the side wall of the expansion joint, and adhering the diversion trench in the gap before the waterproof glue is solidified.
Preferably, in the method for sealing and protecting the road expansion joint, a plurality of connecting holes penetrating through the longitudinal support plates are formed in the longitudinal support plates except the longitudinal support plate closest to the side wall of the expansion joint, a penetrating rod penetrates through the longitudinal support plates through the connecting holes along the horizontal direction, and two ends of the penetrating rod are fixedly connected with the surfaces of the longitudinal support plates closest to the side wall of the expansion joint respectively; the penetrating rod is a telescopic rod body formed by sleeving two hollow rod bodies; the second supporting springs are respectively sleeved on the penetrating rods positioned between the adjacent longitudinal supporting plates.
Preferably, in the method for sealing and protecting the highway expansion joint, a touch switch is arranged at the bottom end of the circular groove, and the touch switch is closed after being extruded by embedding the ball end into the circular groove; the touch switch is in communication connection with the controller, and the controller triggers the alarm connected with the touch switch to give an alarm when the touch switch is disconnected.
Preferably, in the method for sealing and protecting the expansion joint of the highway, the top surface of the longitudinal support plate abuts against the lower surface of the elastic sealing plate.
Preferably, in the method for sealing and protecting the highway expansion joint, the elastic sealing plate is formed by connecting a plurality of elastic strips in parallel; the elastic strips are arranged on the surface of the expansion joint in a mode that the length extension direction is vertical to the top surface direction of the longitudinal supporting plate.
Preferably, in the method for sealing and protecting the highway expansion joint, the elastic strip is formed by alternately connecting a plurality of rubber blocks and steel blocks; and the rubber blocks of two adjacent elastic strips are arranged in a staggered manner.
Preferably, in the method for sealing and protecting the road expansion joint, the diversion trench is a V-shaped groove with a V-shaped cross section; the opening of the V-shaped groove is upwards arranged in the gap, and two ends of the V-shaped groove are respectively abutted against the edges of the concave positioning plate and the side wall of the expansion joint.
Preferably, in the method for sealing and protecting the expansion joint of the highway, the diversion trench is obliquely arranged in a manner that the depth of the trench gradually becomes deeper from the center to the two ends.
The invention at least comprises the following beneficial effects:
according to the highway expansion joint sealing protection method, firstly, the expansion joint is reinforced through concrete mortar, then the waterproof layer prevents water flow below a road surface from upwards reversely permeating to cause corrosion of a telescopic joint device in the expansion joint, the expansion joint device is connected and fastened with the expansion joint through the connection of the anchor rod and the connecting rod, the expansion joint can meet the deformation of two sides of the highway expansion joint in the vertical direction through the arrangement of the first supporting spring and the transverse supporting plate, and the expansion joint can meet the deformation of two sides of the highway expansion joint in the driving direction of the highway through the arrangement of the longitudinal supporting plate and the second supporting spring.
Through the connection of the circular recess that sets up the stock tip and the ball end of connecting rod for the connecting rod can be in highway expansion joint both sides the road surface vertical or horizontal take place the homoenergetic free motion when deformation, and then both guaranteed the compactness of expansion joint both sides road surface connection, can also adapt to the deformation on road surface, simultaneously, through the connection of circular recess and ball end, the noise that produces when having avoided the expansion joint to take place deformation has guaranteed the travelling comfort of driving.
Through the setting of spill locating plate and elastic sealing plate, not only make expansion joint and external isolation, make elastic sealing plate flush with the road surface simultaneously, and then guaranteed smooth-going in-process of driving a vehicle, avoid the emergence of phenomenons such as jumping.
Through the setting of waterproof glue, further guaranteed the leakproofness in the expansion joint, the setting of guiding gutter can also avoid expansion joint department ponding simultaneously.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a side sectional view of an expansion joint structure constructed by the method for sealing and protecting a road expansion joint according to the present invention;
FIG. 2 is a block diagram of the anchor rods and connecting rods provided by the present invention;
fig. 3 is a structural view of the elastic sealing plate according to the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1 and 2, a method for sealing and protecting a road expansion joint includes: s1, cleaning up sundries in the expansion joint, and coating concrete mortar on the bottom surface and the side wall of the expansion joint to form a concrete mortar layer 1;
and S2, symmetrically nailing the anchor rod 2 into the two side walls of the expansion joint along the extension direction of the expansion joint, and enabling the head end of the anchor rod 2 to protrude 2-5cm from the side walls.
S3, spraying waterproof paint on the concrete mortar layer 1 to form a waterproof layer 3; and waterproof glue is smeared at the gap between the anchor rod 2 and the side wall.
S4, connecting the connecting rod 5 through the circular groove 4 which is arranged at the head end of the anchor rod 2 and is sunken into the anchor rod 2; the first end of the connecting rod 5 is arranged to be a ball end 6 which is embedded in the circular groove 4 and can rotate along the inner wall of the circular groove 4; the second end of the connecting rod 5 is fixedly connected with an expansion joint supporting mechanism.
Wherein, expansion joint supporting mechanism includes:
and the first supporting springs 7 are uniformly arranged on the bottom surface of the expansion joint, the bottom ends of the first supporting springs extend into the concrete mortar layer 1, and the top ends of the first supporting springs vertically extend upwards.
A horizontal support plate 8 which is an arc plate with an elasticity and is provided with a downward opening; the arc-shaped plate is buckled on the first supporting spring 7, and an inner top plate of the arc-shaped plate is abutted against the top end of the first supporting spring 7; the two ends of the arc-shaped plate are fixedly connected with the two ends of the bottom surface of the expansion joint.
The longitudinal supporting plates are uniformly arranged at intervals in a direction parallel to the side wall of the expansion joint, and the longitudinal supporting plate closest to the side wall of the expansion joint is fixedly connected with the second end of the connecting rod 5; the top surface of the longitudinal support plate is 5-10cm lower than the upper surface of the expansion joint; two adjacent longitudinal support plates are provided with second support springs 10; both ends of the second supporting spring 10 are connected to the surfaces of the longitudinal supporting plates, respectively.
And S5, fixedly connecting the concave positioning plate 11 to the top end of the side wall of the expansion joint in a manner that the openings are opposite, and enabling the upper surface of the concave positioning plate 11 to be flush with the upper surface of the expansion joint.
S6, extending the two ends of the elastic sealing plate 12 into the concave positioning plate 11 from the two ends of the concave positioning plate 11 to form a cover plate covering the surface of the expansion joint;
s7, coating waterproof glue in the gap between the concave positioning plate 11 and the side wall of the expansion joint, and adhering the diversion trench in the gap before the waterproof glue is solidified.
In the above scheme, at first consolidate the expansion joint through concrete mortar, then the waterproof layer prevents that the rivers of road surface below from upwards reverse osmosis, cause the corrosion of expansion joint device in the expansion joint, make expansion joint device and expansion joint connection fastening through the stock with being connected of connecting rod, through the setting of first supporting spring and horizontal backup pad, make the expansion joint can satisfy the deformation on the highway expansion joint both sides vertical direction, setting through longitudinal support board and second supporting spring, make the expansion joint can satisfy highway expansion joint both sides along the ascending deformation of highway traffic direction.
Through the connection of the circular recess that sets up the stock tip and the ball end of connecting rod for the connecting rod can be in highway expansion joint both sides the road surface vertical or horizontal take place the homoenergetic free motion when deformation, and then both guaranteed the compactness of expansion joint both sides road surface connection, can also adapt to the deformation on road surface, simultaneously, through the connection of circular recess and ball end, the noise that produces when having avoided the expansion joint to take place deformation has guaranteed the travelling comfort of driving.
Through the setting of spill locating plate and elastic sealing plate, not only make expansion joint and external isolation, make elastic sealing plate flush with the road surface simultaneously, and then guaranteed smooth-going in-process of driving a vehicle, avoid the emergence of phenomenons such as jumping.
Through the setting of waterproof glue, further guaranteed the leakproofness in the expansion joint, the setting of guiding gutter can also avoid expansion joint department ponding simultaneously.
In a preferred scheme, a plurality of connecting holes penetrating through the longitudinal support plates are formed in the longitudinal support plates except the longitudinal support plates closest to the side wall of the expansion joint, a penetrating rod 16 penetrates through the longitudinal support plates together through the connecting holes along the horizontal direction, and two ends of the penetrating rod 16 are fixedly connected with the surfaces of the longitudinal support plates closest to the side wall of the expansion joint respectively; the penetrating rod 16 is a telescopic rod body formed by sleeving two hollow rod bodies; the second supporting springs 10 are respectively sleeved on the penetrating rods 16 between the adjacent longitudinal supporting plates.
In the above scheme, through the setting that runs through the pole, reinforced the expansion joint from horizontal, and then guaranteed the elastic sealing plate of the support top that longitudinal support board can stabilize, and then reduced the possibility of expansion joint surface deformation.
In a preferable scheme, a touch switch 13 is arranged at the bottom end of the circular groove 4, and the touch switch 13 is closed after being pressed by the ball end embedded into the circular groove 4; the touch switch 13 is connected with a controller in a communication mode, and the controller triggers an alarm connected with the touch switch 13 to give an alarm when the touch switch is disconnected.
In the above scheme, through touch switch's setting, can real time monitoring whether the expansion joint structure that sets up in the expansion joint is connected the fastening with the expansion joint, when touch switch disconnection promptly, the highway of expansion joint both sides is too big along the deformation of perpendicular to highway axis direction, and then the siren sends the police dispatch newspaper, and relevant personnel carry out timely repair simultaneously to guarantee driving safety on the highway.
In a preferred embodiment, the top surface of the longitudinal support plate abuts against the lower surface of the elastic sealing plate 12.
In the scheme, the longitudinal supporting plate can effectively support the elastic sealing plate by abutting the top surface of the longitudinal supporting plate against the lower surface of the elastic sealing plate, and can assist in clearing the longitudinal pressure of the vehicle running from the road surface.
As shown in fig. 3, in a preferred embodiment, the elastic sealing plate 12 is formed by connecting a plurality of elastic strips 14 in parallel; the elastic strips are arranged on the surface of the expansion joint in a mode that the length extension direction is vertical to the top surface direction of the longitudinal supporting plate.
In the above scheme, constitute by many elastic strips by setting up the elastic sealing plate and connecting side by side to make the elastic strip arrange the surface at the expansion joint with the top surface direction vertically mode of length extending direction and vertical backup pad, make elastic strip and vertical backup pad be equivalent to cross support, and then make the expansion joint all obtain the assurance at vertical and horizontal upward holding power, improved the life of expansion joint.
In a preferred scheme, the elastic strip 14 is formed by alternately connecting a plurality of rubber blocks 15 and steel blocks 16; and the rubber blocks 15 of two adjacent elastic strips 14 are arranged in a staggered manner.
In the above scheme, meet by polylith block rubber and steel billet in turn through setting up the elasticity strip and constitute for the elasticity strip is firm in structure not only, and has elasticity, can satisfy the deformation requirement at expansion joint, simultaneously through setting up adjacent two the block rubber of elasticity strip is crisscross to be set up, makes the elastic sealing plate of compriseing the elasticity strip all have elasticity in horizontal and vertical, satisfies the deformation requirement at expansion joint.
In a preferred scheme, the flow guide groove is a V-shaped groove with a V-shaped cross section; the opening of the V-shaped groove is arranged in the gap upwards, and two ends of the V-shaped groove are respectively abutted against the edges of the concave positioning plate 11 and the side wall of the expansion joint.
In the above scheme, the guiding gutter that V-arrangement recess was made can effectually arrange away the technique of expansion joint department on the road surface rapidly through the guiding gutter, and then avoids expansion joint department ponding, has just also reduced the possibility of infiltration moisture in the expansion joint, has guaranteed the leakproofness of expansion joint.
In a preferable scheme, the guide groove is obliquely arranged in a manner that the groove depth gradually becomes deeper from the center to the groove depths at two ends.
In the above scheme, the guiding gutter sets up to the tilting that becomes dark gradually to both ends groove depth with the center, can accelerate the water conservancy diversion of rivers, and then avoids expansion joint surface ponding.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. A sealing and protecting method for a highway expansion joint comprises the following steps:
s1, cleaning up sundries in the expansion joint, and coating concrete mortar on the bottom surface and the side wall of the expansion joint to form a concrete mortar layer;
s2, symmetrically nailing anchor rods into the two side walls of the expansion joint along the extension direction of the expansion joint, and enabling the head ends of the anchor rods to protrude 2-5cm from the side walls;
s3, spraying waterproof paint on the concrete mortar layer to form a waterproof layer; waterproof glue is smeared at the gap between the anchor rod and the side wall;
s4, connecting rods are connected through circular grooves which are arranged at the head ends of the anchor rods and are sunken into the anchor rods; the first end of the connecting rod is arranged to be a ball end which is embedded in the circular groove and can rotate along the inner wall of the circular groove; the second end of the connecting rod is fixedly connected with an expansion joint supporting mechanism;
wherein, expansion joint supporting mechanism includes:
the first supporting springs are uniformly arranged on the bottom surface of the expansion joint, the bottom ends of the first supporting springs extend into the concrete mortar layer, and the top ends of the first supporting springs extend vertically upwards;
the transverse supporting plate is an arc-shaped plate with an opening arranged downwards and elasticity; the arc-shaped plate is buckled on the first supporting spring, and an inner top plate of the arc-shaped plate is abutted against the top end of the first supporting spring; the two ends of the arc-shaped plate are fixedly connected with the two ends of the bottom surface of the expansion joint;
the longitudinal supporting plates are uniformly arranged at intervals in a direction parallel to the side wall of the expansion joint, and the longitudinal supporting plate closest to the side wall of the expansion joint is fixedly connected with the second end of the connecting rod; the top surface of the longitudinal support plate is 5-10cm lower than the upper surface of the expansion joint; two adjacent longitudinal support plates are provided with second support springs; two ends of the second supporting spring are respectively connected with the surface of the longitudinal supporting plate;
s5, fixedly connecting a concave positioning plate to the top end of the side wall of the expansion joint in a mode that the openings are opposite, and enabling the upper surface of the concave positioning plate to be flush with the upper surface of the expansion joint;
s6, extending the two ends of the elastic sealing plate into the concave positioning plate from the two ends of the concave positioning plate to form a cover plate covering the surface of the expansion joint;
s7, coating waterproof glue in the gap between the concave positioning plate and the side wall of the expansion joint, and adhering the diversion trench in the gap before the waterproof glue is solidified;
the elastic sealing plate is formed by connecting a plurality of elastic strips in parallel; the elastic strips are arranged on the surface of the expansion joint in a manner that the length extension direction is vertical to the top surface direction of the longitudinal support plate; the elastic strip is formed by alternately connecting a plurality of rubber blocks and steel blocks; and the rubber blocks of two adjacent elastic strips are arranged in a staggered manner.
2. The method for sealing and protecting a road expansion joint according to claim 1, wherein a plurality of connecting holes penetrating through the longitudinal support plates are formed in the longitudinal support plates except the longitudinal support plate closest to the side wall of the expansion joint, a penetrating rod penetrates through the longitudinal support plates through the connecting holes along the horizontal direction, and two ends of the penetrating rod are fixedly connected with the surfaces of the longitudinal support plates closest to the side wall of the expansion joint respectively; the penetrating rod is a telescopic rod body formed by sleeving two hollow rod bodies; the second supporting springs are respectively sleeved on the penetrating rods positioned between the adjacent longitudinal supporting plates.
3. The method for sealing and protecting a road expansion joint according to claim 1, wherein a touch switch is arranged at the bottom end of the circular groove, and the touch switch is closed after being pressed by the ball end embedded into the circular groove; the touch switch is in communication connection with the controller, and the controller triggers the alarm connected with the touch switch to give an alarm when the touch switch is disconnected.
4. The method for sealing and protecting a road expansion joint according to claim 1, wherein the top surface of the longitudinal support plate abuts against the lower surface of the elastic sealing plate.
5. The method for sealing and protecting a road expansion joint according to claim 1, wherein the diversion trench is a V-shaped groove with a V-shaped cross section; the opening of the V-shaped groove is upwards arranged in the gap, and two ends of the V-shaped groove are respectively abutted against the edges of the concave positioning plate and the side wall of the expansion joint.
6. The method for sealing and protecting a road expansion joint according to claim 5, wherein the guiding groove is inclined such that the depth gradually increases from the center to the grooves at both ends.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911316993.2A CN110952414B (en) | 2019-12-19 | 2019-12-19 | Highway expansion joint sealing protection method |
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|---|---|---|---|
| CN201911316993.2A CN110952414B (en) | 2019-12-19 | 2019-12-19 | Highway expansion joint sealing protection method |
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| CN112681056B (en) * | 2020-12-27 | 2022-04-08 | 山西省地震局 | Post-earthquake cement pavement crack monitoring device |
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| CN209053255U (en) * | 2018-10-22 | 2019-07-02 | 贾冰 | A kind of connection structure of building structure seam |
| CN209066622U (en) * | 2018-11-08 | 2019-07-05 | 袁光辉 | A kind of detachable expansion gap device of architectural engineering |
| CN209722714U (en) * | 2019-01-11 | 2019-12-03 | 湖南交通职业技术学院 | A kind of Highway Bridge Expansion Joint structure |
| CN209555762U (en) * | 2019-01-24 | 2019-10-29 | 李艳 | A kind of Double-joint expansion joint device for bridge |
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| CN110952414A (en) | 2020-04-03 |
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