CN212801067U

CN212801067U - Municipal administration asphalt road reinforced structure

Info

Publication number: CN212801067U
Application number: CN202021187841.5U
Authority: CN
Inventors: 邓飞明; 李文武; 吴炽敏; 翁景源
Original assignee: Guangzhou Huangpu Municipal Construction Co ltd
Current assignee: Guangzhou Huangpu Municipal Construction Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-26
Anticipated expiration: 2030-06-23

Abstract

The application relates to a municipal asphalt road reinforcing structure, which belongs to the field of road construction and comprises an inspection well arranged on a pavement layer, wherein the pavement layer comprises a pavement surface layer and a pavement base layer which are sequentially arranged from top to bottom; this application has the effect that improves the steadiness of the position of pavement layer near the inspection shaft.

Description

Municipal administration asphalt road reinforced structure

Technical Field

The application relates to the field of road construction, especially relate to municipal asphalt road reinforced structure.

Background

With the increase of the development speed of cities, the construction speed and scale of municipal roads are also increased, one of the key factors for checking the construction quality of the roads is the stability of the roads, and the stability of the roads is concerned with the life safety of drivers and passersby and the continuity of road construction.

The inspection shaft can generally be excavated to the town road surface for the vacancy appears in the local position of road, causes the influence to the road surface layer of this position and the intensity of nearby town road surface layer easily, influences the steadiness of road.

SUMMERY OF THE UTILITY MODEL

In order to improve the steadiness of the pavement layer in the position near the inspection shaft, the application provides municipal asphalt road reinforced structure.

The application provides a municipal administration asphalt road reinforced structure adopts following technical scheme:

municipal administration bituminous paving reinforced structure, including setting up in the inspection shaft of pavement layer, the pavement layer is including the pavement layer and the road surface basic unit that from top to bottom set gradually, the inspection shaft with be equipped with concrete layer between the road surface basic unit, concrete layer with enclose between the road surface basic unit and be equipped with vertical geogrid, be equipped with in the road surface basic unit with the horizontal geogrid that vertical geogrid connects.

Through adopting above-mentioned technical scheme, vertical geogrid can the load of dispersed concrete layer to vertical geogrid links to each other with horizontal geogrid, and the load of dispersed concrete layer and the road surface base layer connection position strengthens the bearing capacity of the near road surface layer of concrete layer and concrete layer, thereby improves the steadiness of the near position of road surface layer at the inspection shaft.

Preferably, the concrete layer is close to the lateral wall of the pavement base is provided with a plurality of reinforcing rods along the height direction, and the reinforcing rods penetrate through the meshes of the vertical geogrids and are inserted into the pavement base.

Through adopting above-mentioned technical scheme, the anchor strut inserts the road surface basic unit, increases concrete layer and road surface basic unit's joint strength to improve concrete layer's stability.

Preferably, the anchor strut cover be equipped with length direction with the parallel lagging of vertical geogrid direction of height, the lagging all is equipped with the connecting rod along length direction's both ends, the connecting rod cover is equipped with the connecting plate, two the connecting plate butt in adjacent two the side that the grid strip of vertical geogrid deviates from mutually, connecting rod threaded connection have two respectively with the latch segment of connecting plate both sides butt.

Through adopting above-mentioned technical scheme, the anchor strut is located to the lagging cover, and through the latch segment of screwing, two connecting plates support tightly in two adjacent grid bars to be connected vertical geogrid and anchor strut, further disperse concrete layer's load.

Preferably, the connecting plate is provided with a connecting hook, and the grid strip abutted against the connecting plate is provided with a connecting ring clamped with the connecting hook.

Through adopting above-mentioned technical scheme, the connecting hook joint improves the joint strength of connecting plate and grid strip in the go-between, improves the stability that vertical geogrid and anchor strut are connected.

Preferably, the reinforcing rods are arranged to be inclined downward.

Through adopting above-mentioned technical scheme, the anchor strut downward sloping plays certain supporting role to concrete layer, further keeps concrete layer's stability.

Preferably, the horizontal geogrid is close to the pavement surface layer, and reinforcing ribs connected with the vertical geogrid are arranged on the upper side surface and the lower side surface of the horizontal geogrid.

By adopting the technical scheme, the reinforcing ribs can strengthen the connection strength of the vertical geogrid and the horizontal geogrid, so that the load of the concrete layer and the pavement base layer can be effectively dispersed.

Preferably, the reinforcing rib includes stiffener and mutually perpendicular connect first reinforcing plate with the second reinforcing plate, first reinforcing plate connect in vertical geogrid, the second reinforcing plate connect in horizontal geogrid, the stiffener connect in between the tip that first reinforcing plate with the second reinforcing plate is kept away from each other.

Through adopting above-mentioned technical scheme, the area of contact of first reinforcing plate and vertical geogrid and second reinforcing plate and horizontal geogrid is big, helps the stability of strengthening rib.

Preferably, the vertical geogrid and the horizontal geogrid are both glass fiber geogrids.

By adopting the technical scheme, the glass fiber geogrid has high strength, and the bearing capacity of the pavement layer can be improved.

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

1. the vertical geogrid can disperse the load of a concrete layer, is connected with the horizontal geogrid, disperses the load of a part where the concrete layer is connected with a pavement base layer, and enhances the bearing capacity of the concrete layer and a pavement layer near the concrete layer, so that the stability of the pavement layer near an inspection well is improved;

2. the concrete is provided with the anchor strut, and the anchor strut downward sloping, the anchor strut not only play the supporting role to concrete layer, and reinforcing concrete layer is connected with road surface basic unit moreover, further improves the steadiness of road surface layer near the position of inspection shaft.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a perspective view illustrating a reinforcing rod and a sleeve plate according to an embodiment of the present application.

Description of reference numerals: 1. an inspection well; 11. a pavement facing; 12. a pavement base; 13. a concrete layer; 2. a vertical geogrid; 21. grid bars; 22. mesh openings; 3. a horizontal geogrid; 31. reinforcing ribs; 32. a reinforcing bar; 33. a first reinforcing plate; 34. a second reinforcing plate; 4. a reinforcing rod; 41. sheathing; 42. a connecting rod; 43. a connecting plate; 44. a locking block; 45. a connecting hook; 46. and (7) connecting rings.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses municipal asphalt road reinforced structure. As shown in figure 1, municipal asphalt road reinforced structure includes road surface layer and inspection shaft 1, and the road surface layer includes road surface layer 11 and road surface basic unit 12 from top to bottom in proper order, and inspection shaft 1 is vertical to be worn to locate road surface layer 11 and road surface basic unit 12, and 1 well head of inspection shaft is seted up on road surface layer 11 surface, is equipped with concrete layer 13 between the outer wall of inspection shaft 1 and the road surface basic unit 12, and concrete layer 13 is consolidated the setting of inspection shaft 1 in road surface basic unit 12.

Specifically, the pavement surface layer 11 is an asphalt concrete layer, and the pavement base layer 12 is an asphalt gravel layer.

A vertical geogrid 2 is arranged between the outer wall of the concrete layer 13 far away from the inspection well 1 and the pavement base 12 in an enclosing mode, and the vertical geogrid 2 is bonded to the concrete layer 13; a horizontal geogrid 3 is horizontally arranged in the pavement base layer 12, the horizontal geogrid 3 is arranged around the inspection well 1, a distance is reserved between the horizontal geogrid 3 and the pavement surface layer 11, and the horizontal geogrid 3 is vertically and fixedly connected with the vertical geogrid 2; specifically, vertical geogrid 2 and horizontal geogrid 3 are glass fiber geogrids, vertical geogrid 2 plays the dispersion effect to concrete layer 13's load, horizontal geogrid 3 plays the dispersion effect to pavement base 12's load, in addition, vertical geogrid 2 is connected with horizontal geogrid 3, make the load dispersion of concrete layer 13 and pavement base 12 junction, improve the stability that concrete layer 13 and pavement base 12 are connected, thereby strengthen the bearing capacity of concrete layer 13 and near pavement layer of concrete layer 13, improve the steadiness of pavement layer in near position of inspection shaft 1.

As shown in fig. 1 and 2, a plurality of reinforcing ribs 31 are arranged between the vertical geogrid 2 and the horizontal geogrid 3, the reinforcing ribs 31 are distributed at intervals along the outer side of the vertical geogrid 2, two reinforcing ribs 31 are arranged in the same vertical direction of the vertical geogrid 2, and the two reinforcing ribs 31 are respectively positioned at the upper side and the lower side of the horizontal geogrid 3; in the present embodiment, the reinforcing rib 31 includes a reinforcing rod 32, a first reinforcing plate 33 and a second reinforcing plate 34, the first reinforcing plate 33 and the second reinforcing plate 34 are fixed perpendicular to each other, the first reinforcing plate 33 is fixed to the vertical geogrid 2, and the second reinforcing plate 34 is fixed to the horizontal geogrid 3, wherein the shape of the first reinforcing plate 33 is matched with the shape of the outer side surface of the vertical geogrid 2 away from the concrete layer 13, so that the first reinforcing plate 33 is attached to the outer side surface of the vertical geogrid 2 away from the concrete layer 13, thereby increasing the contact area between the first reinforcing plate 33 and the vertical geogrid 2 and the contact area between the second reinforcing plate 34 and the horizontal geogrid 3, and improving the stability of the reinforcing rib 31, increasing the connection area between the horizontal geogrid 3 and the vertical geogrid 2, and promoting the dispersion of the load between the concrete layer 13 and the road base layer 12; the two ends of the reinforcing rod 32 are respectively fixed between the end parts of the first reinforcing plate 33 and the second reinforcing plate 34 which are far away from each other, so that the reinforcing rod 32 is obliquely arranged to support the first reinforcing plate 33 and the second reinforcing plate 34, and the reinforcing effect is realized.

Specifically, each of the vertical geogrids 2 and the horizontal geogrids 3 includes a plurality of grid bars 21, and the grid bars 21 are staggered in the transverse and longitudinal directions and form a plurality of meshes 22.

As shown in fig. 1, a plurality of reinforcing rods 4 are fixed on the side wall of the concrete layer 13 close to the pavement base 12 along the height direction, a plurality of reinforcing rods 4 at the same height are distributed at intervals along the periphery of the side wall of the concrete layer 13, and one end of each reinforcing rod 4 far away from the concrete layer 13 penetrates through the meshes 22 of the vertical geogrid 2 and is inserted into the pavement base 12, so that the connection between the concrete layer 13 and the pavement base 12 is enhanced, and the stability of the pavement layer at the position near the inspection well 1 is improved; the reinforcing rods 4 are inclined downwards from the end close to the concrete layer 13 to the end close to the road base 12, so that the reinforcing rods 4 have the function of supporting the concrete layer 13, and the stability of the concrete layer 13 is further improved.

As shown in fig. 1 and 3, the reinforcing rod 4 is connected with a sleeve plate 41, the sleeve plate 41 is provided with a sleeve hole, the reinforcing rod 4 penetrates through the sleeve hole, so that the sleeve plate 41 is sleeved and slidably connected to the reinforcing rod 4, specifically, the hole wall of the sleeve hole is inclined and consistent with the inclination angle of the reinforcing rod 4, so that the length direction of the sleeve plate 41 is kept parallel to the height direction of the vertical geogrid 2 when the sleeve plate 41 slides.

Connecting rods 42 are fixed at two ends of the sleeve plate 41 along the length direction, the extending direction of the connecting rods 42 is parallel to the extending direction of the sleeve plate 41, a connecting plate 43 is sleeved on the side wall of each connecting rod 42, locking blocks 44 are in threaded connection with two sides of each connecting rod 42, which are positioned on the connecting plate 43, and each locking block 44 is specifically a nut; slide lagging 41 to the position that is close to vertical geogrid 2, make connecting plate 43 keep away from the one end of connecting rod 42 and get into in the mesh 22, the latch segment 44 is screwed behind the slip connecting plate 43, make the rigidity of connecting plate 43 fixed, connecting plate 43 supports the grid strip 21 of the upper and lower both sides of adjacent three mesh 22 on the same height tightly simultaneously, realize the connection of anchor strut 4 and vertical geogrid 2, make anchor strut 4 and vertical geogrid 2's atress can transmit each other, further disperse the load of concrete layer 13, improve the steadiness of concrete layer 13.

As shown in fig. 3, the side that two connecting plates 43 are close to each other is fixed with coupling hook 45, and two grilles 21 with the connecting plate 43 butt all are fixed with the coupling ring 46, and the equal vertical setting of axis of two coupling rings 46, after connecting plate 43 and grilles 21 support tightly, coupling hook 45 joint in coupling ring 46 to further make connecting plate 43 and grilles 21 be connected, improve the stability that improves vertical geogrid 2 and strengthening rod 4 and be connected.

The implementation principle of municipal administration asphalt road reinforced structure of the embodiment of this application is:

the reinforcing ribs 31 are fixed at the connecting parts of the vertical geogrid 2 and the horizontal geogrid 3, the reinforcing rods 4 are sleeved with the sleeve plates 41, the connecting plates 43 are slid, and the locking blocks 44 are screwed, so that the grid bars 21 on the upper side and the lower side of the same mesh 22 are tightly abutted by the connecting plates 43, and meanwhile, the connecting hooks 45 are clamped on the connecting ring 46, so that the connection of the reinforcing rods 4 and the vertical geogrid 2 is realized.

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

1. Municipal administration asphalt road reinforced structure, including setting up in manhole (1) of pavement layer, its characterized in that: the pavement layer is including pavement surface course (11) and road surface basic unit (12) that from top to bottom set gradually, inspection shaft (1) with be equipped with concrete layer (13) between road surface basic unit (12), concrete layer (13) with enclose between road surface basic unit (12) and be equipped with vertical geogrid (2), be equipped with in road surface basic unit (12) with horizontal geogrid (3) that vertical geogrid (2) are connected.

2. The municipal asphalt road reinforcing structure according to claim 1, wherein: concrete layer (13) are close to the lateral wall of road surface basic unit (12) is equipped with a plurality of anchor rods (4) along the direction of height, anchor rod (4) wear to locate mesh (22) of vertical geogrid (2) and insert road surface basic unit (12).

3. The municipal asphalt road reinforcing structure according to claim 2, wherein: reinforcing rod (4) cover be equipped with length direction with the parallel lagging (41) of vertical geogrid (2) direction of height, lagging (41) all are equipped with connecting rod (42) along length direction's both ends, connecting rod (42) cover is equipped with connecting plate (43), two connecting plate (43) butt is two from top to bottom the side that grid strip (21) of vertical geogrid (2) deviate from mutually, connecting rod (42) threaded connection have two respectively with latch segment (44) of connecting plate (43) both sides butt.

4. The municipal asphalt road reinforcing structure according to claim 3, wherein: connecting plate (43) are equipped with coupling hook (45), with connecting plate (43) butt grid strip (21) be equipped with go-between (46) of coupling hook (45) joint.

5. The municipal asphalt road reinforcing structure according to claim 2, wherein: the reinforcing rods (4) are arranged in a downward inclined mode.

6. The municipal asphalt road reinforcing structure according to claim 1, wherein: horizontal geogrid (3) are close to road surface layer (11), the upper and lower both sides face of horizontal geogrid (3) all be equipped with strengthening rib (31) that vertical geogrid (2) are connected.

7. The municipal asphalt road reinforcing structure according to claim 6, wherein: the reinforcing rib (31) includes stiffener (32) and first reinforcing plate (33) and second reinforcing plate (34) that mutually perpendicular connects, first reinforcing plate (33) connect in vertical geogrid (2), second reinforcing plate (34) connect in horizontal geogrid (3), stiffener (32) connect in between the tip that first reinforcing plate (33) and second reinforcing plate (34) kept away from each other.

8. The municipal asphalt road reinforcing structure according to claim 1, wherein: the vertical geogrid (2) and the horizontal geogrid (3) are both glass fiber geogrids.