CN214613392U - Concrete pavement structure of municipal construction - Google Patents

Abstract

The utility model relates to a concrete pavement structure of municipal construction, it includes a plurality of groups of supports and with each group's reinforcing bar of support longitudinal and transverse connection, the road bed level of road sets up, each group's support is the polygonal pyramid structure, each group's support erects on the road bed, the upper end summit position an organic whole of each group's support is fixed with the cassette, the cassette is U type structure, each group's reinforcing bar is pegged graft with the cassette and is cooperated, the template that extends along the road direction has been set up to the both sides of road bed, each group's support is located between the template, the height that highly is less than each group's template of reinforcing bar, concrete mortar has been filled between each group's template. The support and the reinforcing steel bars are arranged to improve the compressive strength of the concrete pavement, the load capacity of the concrete pavement is directly improved, when heavy-load or overloaded vehicles run over the pavement, the concrete pavement is not easy to crack after being pressed under the action of the support and the reinforcing steel bars, the structural strength of the pavement is improved, and the later-stage repairing and maintaining operations on the concrete pavement are simplified.

Description

Concrete pavement structure of municipal construction

Technical Field

The application relates to the field of municipal administration road surface construction, especially relate to a concrete road surface structure of municipal administration construction.

Background

With the development of modern society, the mileage and the day of municipal roads are increased dramatically. The municipal roads refer to the roads which reach all regions of the city, are used for transportation and pedestrians in the city, are convenient for the life, work and cultural entertainment activities of residents, and are connected with the roads outside the city to bear the traffic outside the city. Municipal roads are generally wider than highways, and are divided into motor lanes, bus priority lanes, non-motor lanes and the like in order to adapt to complex vehicles. The two sides of the road are provided with sidewalks and house buildings which are higher than the road surface, and public pipelines are buried under the sidewalks.

Within the class of town roads, including types of asphalt roads, concrete roads, etc., the load requirements for the town road also impose stringent requirements. According to the municipal road engineering quality inspection and evaluation standard approved and executed by the Ministry of construction of the people's republic of China, the strength of the concrete road must be sampled, manufactured, maintained and tested according to the specification of the concrete strength inspection and evaluation standard GBJ 107-87.

Load refers to the various direct actions applied to an engineered structure that cause the engineered structure or component to act, common are: the structure dead weight, the floor live load, the roof dust load, the vehicle load, the crane load, the equipment power load and the wind, snow, ice, wave and other natural loads. The load requirement of the municipal road is different according to different use requirements, for example, the load design limit of a first-level bridge road is 55 t.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: for the existing concrete road, in the construction process of the municipal road, a template is usually and directly erected on a measured and calibrated roadbed along the direction of the road, then concrete mortar is poured into the erected template, then vibration, leveling and maintenance are carried out, and finally the template is disassembled.

SUMMERY OF THE UTILITY MODEL

In order to promote the load-carrying capacity of concrete road surface, reduce the destruction that causes the road surface when driving over load vehicle on the town road, promote concrete road surface's structural strength, this application provides a concrete road surface structure of municipal construction.

The application provides a concrete pavement structure of municipal construction adopts following technical scheme:

the utility model provides a concrete pavement structure of municipal construction, includes a plurality of groups of supports and with each group's reinforcing bar of support longitudinal and transverse connection, the road bed level of road sets up, each group the support is the polygonal pyramid structure, each group the support erects on the road bed, each group the upper end summit position an organic whole of support is fixed with the cassette, the cassette is U type structure, each group the reinforcing bar with the cassette cooperation of pegging graft, the both sides of road bed are set up along the template that road direction extends, each group the support is located between the template, the height of reinforcing bar is less than each group the height of template, each group pour into concrete mortar between the template.

By adopting the technical scheme, a plurality of groups of supports in a polygonal pyramid structure are erected on a roadbed of a road, a plurality of groups of criss-cross reinforcing steel bars are fixedly inserted into a clamping seat at the upper end part of each group of supports, each group of supports and each group of reinforcing steel bars are positioned between erected templates, when concrete mortar is poured between each group of templates, the concrete mortar is continuously filled downwards under the action of gravity, each group of supports and reinforcing steel bars are buried in the concrete mortar, so that each group of supports and reinforcing steel bars form a structural support for the concrete mortar, when the poured concrete mortar is dehydrated and hardened, each group of templates are dismantled, at the moment, both each group of supports and reinforcing steel bars and the concrete mortar are integrated, the arrangement of the supports and the reinforcing steel bars improves the compressive strength of the concrete pavement, the loading capacity of the concrete pavement is directly improved, and when heavy-load or overload vehicles run on the pavement, at the moment, the concrete pavement is not easy to crack after being pressed under the action of the bracket and the reinforcing steel bars, the structural strength of the pavement is improved, and the later repairing and maintaining operations of the concrete pavement are simplified.

Preferably, the reinforcing steel bars comprise first reinforcing steel bars parallel to the extending direction of the road and second reinforcing steel bars perpendicular to the extending direction of the road, the caliber of the clamping seat is matched with the diameter of the first reinforcing steel bars in size, the first reinforcing steel bars are fixedly connected with the clamping seat in an inserted mode, and the second reinforcing steel bars are located vertically above the first reinforcing steel bars.

Through adopting above-mentioned technical scheme, the reinforcing bar includes parallel and road extending direction's first reinforcing bar and perpendicular and road extending direction's second reinforcing bar, and each first reinforcing bar of group and second reinforcing bar are the cross distribution, and first reinforcing bar is pegged graft fixedly with the U type opening of cassette, and the aforesaid sets up the fixed connection who has realized first reinforcing bar and cassette, and first reinforcing bar is higher at the inside stability of cassette.

Preferably, the vertical side walls on the two sides of the clamping seat are concavely provided with clamping notches which are opposite to each other, the inner wall of the lower end of each clamping notch is arc-shaped, the arc diameter of the arc-shaped part of the inner wall of the lower end of each clamping notch is matched with the diameter size of the second steel bar, and the second steel bars and the two groups of clamping notches which are opposite to each other are fixedly inserted.

Through adopting above-mentioned technical scheme, the second reinforcing bar is located the vertical top of first reinforcing bar, and above-mentioned setting makes each group of second reinforcing bar realize being connected with the cassette, makes each group of second reinforcing bar be difficult for taking place to shift when pouring concrete mortar, has ensured the evenly distributed of second reinforcing bar on the road bed, makes the anti load distribution of concrete road surface comparatively even.

Preferably, the upper end of the clamping seat is higher than the upper ends of the second steel bars, and each group of the second steel bars are completely sunk into the two groups of clamping notches.

Through adopting above-mentioned technical scheme, each group's second reinforcing bar is pegged graft fixedly with the joint notch on the cassette, and above-mentioned size sets up inside making the second reinforcing bar sink to the joint notch completely, and the joint notch carries on spacingly to the second reinforcing bar, makes the second reinforcing bar promote with the integrative nature of each group's support, when carrying out placing of each group's second reinforcing bar, the second reinforcing bar can not break away from the joint notch.

Preferably, the lower end face of the support is abutted against the roadbed, vertically arranged steel rods are integrally fixed to each group of corners of the lower end face of the support, and each group of steel rods are inserted into the roadbed.

Through adopting above-mentioned technical scheme, be fixed with the drill rod on each group's corner of terminal surface under each group's support, the vertical setting of drill rod, inside various drill rods inserted the road bed of road, above-mentioned cooperation makes each group's support realize the fixed on the road bed, makes the positional stability of each group's support promote, when carrying out the laying of each group's reinforcing bar, the difficult rigidity of support, each group's support becomes row and column distribution in the line, has promoted each group's reinforcing bar and has carried out the efficiency of laying.

Preferably, each group of the templates is provided with a circular hole in a through manner, two ends of each group of the second steel bars are integrally connected with an external threaded rod, the external threaded rod is inserted into the circular hole and is in threaded connection with a nut, and the nut and the vertical end face of the template, which deviates from each group of the supports, are abutted tightly.

By adopting the technical scheme, the templates are erected on two sides of the road, the extending direction of the second steel bars is perpendicular to the extending direction of each group of templates, when each group of templates are erected, the external thread rods at two ends of each group of second steel bars are spliced with the round holes in each side template and are in threaded connection with the building nuts, the integral connection of the second steel bars and each side template is realized through the arrangement, when the templates are erected, erection of the templates is omitted by connection between the templates and the second steel bars, the structural strength of each group of templates is improved when concrete mortar is poured, the templates are not easy to move under the pressure of the concrete mortar, and the construction quality of the concrete road is improved.

Preferably, the first reinforcing steel bar and the second reinforcing steel bar are fixed at the position of the clamping seat in a spot welding mode.

Through adopting above-mentioned technical scheme, first reinforcing bar and second reinforcing bar are fixed at the position of cassette by spot welding, make first reinforcing bar and second reinforcing bar realize fixed connection, for current steel wire binding mode, the fixed mode of spot welding is more swift, has promoted the connection efficiency between first reinforcing bar and the second reinforcing bar.

Preferably, the lower end of each group of the drill steel is conical.

Through adopting above-mentioned technical scheme, the lower tip of each group of drill rod is the circular cone structure, makes the drill rod lower tip comparatively sharp-pointed, when carrying out the grafting of drill rod to the inside of road bed fixed, strikes the drill rod to the inside of road bed this moment, and the area of contact of drill rod lower tip and road bed reduces, and the pressure when messenger's drill rod lower tip inserts the road bed increases, and then has promoted the operating efficiency when constructor carries out the drill rod fixed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the bracket and the reinforcing steel bars improves the compressive strength of the concrete pavement, each group of first reinforcing steel bars and second reinforcing steel bars are distributed in a cross shape, the first reinforcing steel bars are fixedly inserted into the U-shaped openings of the clamping seats, the second reinforcing steel bars are fixedly clamped with the clamping notches at the upper end parts of the clamping seats, the load capacity of the concrete pavement is directly improved, when heavy-load or overloaded vehicles run on the pavement, the concrete pavement is not easy to crack after being pressed under the action of the bracket and the reinforcing steel bars, the structural strength of the pavement is improved, and the later repairing and maintaining operations of the concrete pavement are simplified;

2. the steel rods are fixed on the corners of the lower end face of each group of supports and are vertically arranged, and various steel rods are inserted into a roadbed of a road; the contact area between the lower end part of the steel chisel and the roadbed is reduced, so that the pressure when the lower end part of the steel chisel is inserted into the roadbed is increased, and the operation efficiency of constructors in steel chisel fixing is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partial schematic view of an embodiment of the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a schematic view of the whole structure of the concrete pavement after construction.

Description of reference numerals: 1. a support; 11. a card holder; 111. clamping the notch; 12. steel chisel; 2. reinforcing steel bars; 21. a first reinforcing bar; 22. a second reinforcing bar; 221. an externally threaded rod; 3. a roadbed; 31. a template; 32. a circular hole; 33. a nut; 4. a concrete pavement.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses concrete pavement structure of municipal construction. Referring to fig. 1, a roadbed 3 of a road is horizontally arranged, and a concrete pavement 4 is constructed on the roadbed 3. The roadbed 3 is provided with a plurality of groups of supports 1 in a polygonal pyramid structure, the supports 1 are formed by integrally welding a plurality of reinforcing steel bars 2, and the supports 1 are preferably in a triangular pyramid structure. The lower end surface of each group of the support 1 is in a regular triangle shape, and the lower end surface of the support 1 is attached to the roadbed 3. The groups of the supports 1 are arranged in rows along the extending direction of the road, the straight lines of the supports 1 distributed in the rows are parallel to the extending direction of the road, and the groups of the supports 1 on each row are distributed at equal intervals.

Referring to fig. 1 and 2, a plurality of sets of criss-cross reinforcing steel bars 2 are installed at the upper end of each set of support 1, each set of reinforcing steel bars 2 includes a first reinforcing steel bar 21 parallel to the extending direction of the road and a second reinforcing steel bar 22 perpendicular to the extending direction of the road, each set of first reinforcing steel bars 21 and second reinforcing steel bars 22 are distributed in a crossed manner, the upper end of each set of support 1 is fixed with a prefabricated clamping seat 11 with the same specification, the clamping seat 11 is of a U-shaped structure, the opening of the clamping seat 11 is vertically arranged upwards, and the opening extending direction of the clamping seat 11 is parallel to the extending direction of the road. The opening caliber of the clamping seat 11 is the same as the diameter of the carton of the first steel bar 21, when the support 1 erects the steel bar 2, each group of the first steel bar 21 is inserted into the clamping seat 11, and the steel bar 2 is inserted into the clamping seats 11 on each group of the supports 1 which are distributed in rows.

Referring to fig. 2 and 3, two sets of clamping notches 111 which are opposite to each other are concavely arranged on the vertical end faces of the two sides of the clamping seat 11, the lower end part of the inner wall of each set of clamping notch 111 is in a semicircular arc shape, the arc diameter of the semicircular arc of the lower end part of the clamping notch 111 is the same as the diameter size of the second steel bar 22, the extending direction of the two sets of clamping notches 111 is perpendicular to the extending direction of the opening of the clamping seat 11, and each set of second steel bars 22 is in inserted connection and matching with the two sets of clamping notches 111 which are opposite to each other. The upper end parts of the vertical end surfaces at the two sides of the clamping seat 11 are higher than the height of each group of second steel bars 22, and each group of second steel bars 22 completely sinks into the two groups of clamping notches 111. The arc surface of the upper end of the first steel bar 21 is in contact with the arc surface of the lower end of the second steel bar 22 and is fixed by spot welding.

Two groups of formworks 31 continuously extending along the road direction are erected on two sides of the roadbed 3, the height of each group of formworks 31 is greater than the height of the second steel bars 22 after the second steel bars 22 are installed, and the height of each formwork 31 higher than the second steel bars 22 is not less than 20 cm. Round holes 32 are formed in each group of templates 31 in a penetrating manner, and the axis of each group of round holes 32 is vertical to the plane of the template 31; the two ends of each group of second steel bars 22 are integrally connected with an external threaded rod 221, each group of templates 31 is vertically erected on two sides of a road, the external threaded rods 221 at the two ends of each group of second steel bars 22 are in inserted connection with the round holes 32 on the templates 31 on the two sides, each group of external threaded rods 221 is in threaded connection with a nut 33 after penetrating through the round holes 32, and the nut 33 and the vertical end face of one side of the template 31, which deviates from each group of supports 1, are abutted tightly. The vertically arranged steel rods 12 are integrally fixed on all groups of corners of the lower end face of the support 1, the lower end portions of all the groups of the steel rods 12 are conical, when all the groups of the supports 1 are installed on the roadbed 3, the installation positions of all the groups of the supports 1 are measured and calibrated on the roadbed 3, then all the groups of the steel rods 12 are knocked towards the inside of the roadbed 3 by means of a hammer, and at the moment, all the groups of the steel rods 12 are inserted into the roadbed 3.

Referring to fig. 1 and 4, after the erection of each set of brackets 1 and reinforcing bars 2 is completed, formworks 31 are erected on both sides of each set of brackets 1, and the formworks 31 are connected to the second reinforcing bars 22. And concrete mortar is poured between the two groups of templates 31, the concrete mortar is composed of self-compacting cement, and the concrete mortar buries each group of supports 1 and the reinforcing steel bars 2. And after the poured concrete mortar is dehydrated and hardened, screwing off the nuts 33, dismantling the templates 31, and finally cutting the external threaded rods 221 protruding out of the end faces of the two sides of the concrete pavement 4 by means of a cutting machine to complete the whole construction process of the structure of the concrete pavement 4 for municipal construction.

In the technical scheme of this application, the setting of support 1 and reinforcing bar 2 has promoted the compressive strength of concrete road surface 4, each group's first reinforcing bar 21 and second reinforcing bar 22 are the crisscross distribution, first reinforcing bar 21 is pegged graft fixedly with the U type opening of cassette 11, second reinforcing bar 22 is fixed with the joint notch 111 joint of cassette 11 upper end, the bearing capacity of concrete road surface 4 has directly been promoted, when driving over the heavy load or the vehicle that overloads on the road surface, concrete road surface 4 is under support 1 and reinforcing bar 2's effect this moment, difficult emergence fracture after concrete road surface 4 receives the pressure, the structural strength of concrete road surface 4 promotes, the later stage is simplified to the repair of concrete road surface 4, the maintenance operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a concrete pavement structure of municipal construction, includes a plurality of groups of support (1) and with each group of reinforcing bar (2) of support (1) longitudinal and transverse connection, its characterized in that: roadbed (3) level of road sets up, each group support (1) is the polypyramid structure, each group support (1) erects on roadbed (3), each group the upper end summit position an organic whole of support (1) is fixed with cassette (11), cassette (11) are U type structure, each group reinforcing bar (2) with cassette (11) are pegged graft the cooperation, and template (31) along the road direction extension are set up to the both sides of roadbed (3), each group support (1) is located between template (31), the height of reinforcing bar (2) is less than each group the height of template (31), each group pour into the concrete mortar between template (31).

2. A municipal concrete pavement structure according to claim 1, wherein: the reinforcing steel bar (2) comprises a first reinforcing steel bar (21) parallel to the extending direction of the road and a second reinforcing steel bar (22) perpendicular to the extending direction of the road, the caliber of the clamping seat (11) is matched with the diameter of the first reinforcing steel bar (21), the first reinforcing steel bar (21) is fixedly connected with the clamping seat (11) in an inserting mode, and the second reinforcing steel bar (22) is located above the first reinforcing steel bar (21) in a vertical mode.

3. A municipal concrete pavement structure according to claim 2, wherein: the clamping groove openings (111) which are opposite to each other are concavely formed in vertical side walls on two sides of the clamping seat (11), the inner wall of the lower end of each clamping groove opening (111) is arc-shaped, the arc diameter of an arc part is matched with the diameter size of the second steel bar (22), and the second steel bars (22) and the two groups of clamping groove openings (111) which are opposite to each other are fixedly inserted.

4. A municipal concrete pavement structure according to claim 3, wherein: the upper end of the clamping seat (11) is higher than the upper end of the second steel bar (22), and the second steel bar (22) of each group is completely immersed into the clamping notches (111).

5. A municipal concrete pavement structure according to claim 4, wherein: the lower end face of the support (1) is abutted to the roadbed (3), vertically arranged steel rods (12) are integrally fixed to each group of corners of the lower end face of the support (1), and each group of steel rods (12) are inserted into the roadbed (3).

6. A municipal concrete pavement structure according to claim 5, wherein: round holes (32) are formed in each group of the templates (31) in a penetrating mode, outer threaded rods (221) are integrally connected to the two ends of each group of the second steel bars (22), the outer threaded rods (221) are connected with the round holes (32) in an inserting mode and are in threaded connection with nuts (33), and the nuts (33) and the templates (31) deviate from the vertical end faces of the supports (1) in the groups and are abutted tightly.

7. A municipal concrete pavement structure according to claim 6, wherein: the first reinforcing steel bar (21) and the second reinforcing steel bar (22) are fixed at the position of the clamping seat (11) in a spot welding mode.

8. A municipal concrete pavement structure according to claim 5, wherein: the lower end parts of the steel drill rods (12) in each group are conical.

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