CN210262553U

CN210262553U - Highway subgrade with prevent subsiding function

Info

Publication number: CN210262553U
Application number: CN201920478062.1U
Authority: CN
Inventors: 周子利; 薄胜磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-04-07
Anticipated expiration: 2029-04-10

Abstract

The utility model belongs to the technical field of the highway technique and specifically relates to a highway subgrade with prevent subsiding function, including the soil basic unit, be equipped with the metalling on the soil basic unit, the fixed first geogrid that is equipped with between metalling and the soil basic unit, the metalling is kept away from and is equipped with tiny gravel layer on one side of first geogrid, tiny gravel layer is kept away from and is equipped with wavy first concrete layer on the side of metalling. The utility model discloses a mode on tiny gravel layer is laid on the gravel layer can let tiny grit in the tiny gravel layer fill up the gap between the gravel in the gravel layer, guarantees the closely knit degree on gravel layer, in addition the mutually supporting of wavy first concrete layer, concrete support column and second concrete layer, can increase the load that bears and overall structure intensity of road bed, the load that receives on the dispersion road surface that lets whole road bed can be rapid, prevent that the highway road bed from taking place the condition of subsiding, the life of extension highway road bed.

Description

Highway subgrade with prevent subsiding function

Technical Field

The utility model relates to a highway technical field especially relates to a highway subgrade with prevent subsiding function.

Background

The highway subgrade is the foundation of a road surface and is an earth structure formed by excavation or filling. The roadbed mainly has the functions of providing necessary conditions for pavement laying and driving operation, bearing static load and dynamic load of rolling stock or pavement and traffic load, and transmitting and diffusing the load to the deep part of the foundation. The rural highway bears higher load for a long time, but the bearing capacity of the existing rural highway is limited, so that the condition of subgrade settlement is caused, gaps are often seen on the rural highway, potential safety hazards exist on vehicles running on the road surface due to the settlement of the highway subgrade, and the requirement of the highway subgrade with the settlement prevention function is met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing a highway subgrade with anti-settling function.

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

the designed highway subgrade with the anti-settling function comprises a soil base layer, wherein a gravel layer is arranged on the soil base layer, a first geogrid is fixedly arranged between the gravel layer and the soil base layer, a fine gravel layer is arranged on one side, away from the first geogrid, of the gravel layer, a wavy first concrete layer is arranged on the side, away from the gravel layer, of the fine gravel layer, a second concrete layer is horizontally arranged on one side, away from the fine gravel layer, of the first concrete layer, a packing layer is arranged between the second concrete layer and the first concrete layer, supporting devices are arranged between the second concrete layer and the first concrete layer at equal intervals, a second geogrid is arranged on one side, away from the packing layer, of the second concrete layer, a waterproof device is fixedly arranged between the second geogrid and the second concrete layer, and a road surface is fixedly arranged on one side, away from the second concrete layer, of the second geogrid, and the side that the second geogrid was kept away from on the road surface is the arc structure, road surface, second concrete layer, first concrete layer, tiny gravel layer, metalling and the fixed third concrete layer that is equipped with of soil basal layer both sides slope jointly, are equipped with reinforcing apparatus on the third concrete layer.

Preferably, the support device comprises an inverted T-shaped concrete support column, one end of the concrete support column is embedded and fixed in the first concrete layer, the side surface, close to the first concrete layer, of the second concrete layer is equidistantly provided with inserting grooves matched with the concrete support column, and the other end of the concrete support column is vertically inserted into the inserting grooves.

Preferably, the waterproof device comprises geotextile, two sides of the geotextile are respectively fixed on the second geogrid and the second concrete layer, and two ends of the geotextile are respectively fixed on two side surfaces of the soil base layer.

Preferably, the reinforcing apparatus includes steel bar frame, a plurality of first stock and a plurality of second stock, steel bar frame slope is inlayed and is fixed inside third concrete layer, and is a plurality of first stock and a plurality of equal equidistance of second stock and run through the cartridge on third concrete layer, first stock one end cartridge is in the second concrete layer, second stock one end cartridge is in first concrete layer.

Preferably, the two third concrete layers are provided with grooves at equal intervals on the side surfaces far away from each other, soil is arranged in the grooves, the third concrete layers on the two sides of the road surface are fixedly provided with shoulder stones, and one ends of the shoulder stones, close to the road surface, are equidistantly provided with drain holes in a penetrating mode.

The utility model provides a pair of highway subgrade with prevent subsiding function, beneficial effect lies in: the utility model discloses a mode on tiny gravel layer is laid on the gravel layer can let tiny grit in the tiny gravel layer fill up the gap between the gravel in the gravel layer, guarantees the closely knit degree on gravel layer, in addition the mutually supporting of wavy first concrete layer, concrete support column and second concrete layer, can increase the load that bears and overall structure intensity of road bed, the load that receives on the dispersion road surface that lets whole road bed can be rapid, prevent that the highway road bed from taking place the condition of subsiding, the life of extension highway road bed.

Drawings

Fig. 1 is a schematic structural diagram of a highway subgrade with an anti-settlement function according to the present invention;

fig. 2 is a side view of a highway subgrade with anti-settlement function provided by the utility model.

In the figure: the concrete base layer comprises a soil base layer 1, a gravel layer 2, a first geogrid 3, a fine gravel layer 4, a first concrete layer 5, a second concrete layer 6, a packing layer 7, geotextile 8, a second geogrid 9, a pavement 10, a road shoulder stone 11, a drain hole 12, a first anchor rod 13, a second anchor rod 14, a steel bar frame 15, a third concrete layer 16, a concrete support column 17 and a groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a highway subgrade with prevent subsiding function, including soil base course 1, be equipped with rubble layer 2 on the soil base course 1, fixed being equipped with first geogrid 3 between rubble layer 2 and the soil base course 1, be equipped with tiny gravel layer 4 on one side that first geogrid 3 was kept away from to rubble layer 2, the gap between the rubble in rubble layer 2 can be filled to tiny gravel in the tiny gravel layer 4, guarantees the closely knit degree of rubble layer 2.

Be equipped with wavy first concrete layer 5 on the side of rubble layer 2 is kept away from to tiny gravel layer 4, one side level that tiny gravel layer 4 was kept away from to first concrete layer 5 is equipped with second concrete layer 6, be equipped with packing layer 7 between second concrete layer 6 and the first concrete layer 5, and the equidistance is equipped with strutting arrangement between second concrete layer 6 and the first concrete layer 5, strutting arrangement is including the concrete support column 17 of "T" shape of falling, concrete support column 17 one end is inlayed and is fixed in first concrete layer 5, the equidistance is seted up on the side that second concrete layer 6 is close to first concrete layer 5 with concrete support column 17 assorted cartridge groove, the perpendicular cartridge of concrete support column 17 other end is in the cartridge groove. The mutual cooperation of corrugated first concrete layer 5, concrete support column 17 and second concrete layer 6 can increase the load that bears and overall structure intensity of road bed, lets the load that receives on the dispersion road surface 10 that whole road bed can be rapid, prevents that the highway road bed from taking place the condition of subsiding, prolongs the life of highway road bed.

And a second geogrid 9 is arranged on one side, away from the packing layer 7, of the second concrete layer 6, a waterproof device is fixedly arranged between the second geogrid 9 and the second concrete layer 6, the waterproof device comprises a geotextile 8, two sides of the geotextile 8 are respectively fixed on the second geogrid 9 and the second concrete layer 6, and two ends of the geotextile 8 are respectively fixed on two side surfaces of the soil base layer 1. Geotechnique's cloth 8 can prevent that the moisture that road surface 10 soaks from corroding second concrete layer 6, packing layer 7, first concrete layer 5, tiny gravel layer 4, metalling 2 and soil basic unit 1, lets the road bed keep good closely knit degree, prevents to subside the emergence of the condition.

Second geogrid 9 keeps away from on one side of second concrete layer 6 fixed road surface 10 that is equipped with, and the side that second geogrid 9 was kept away from on road surface 10 is the arc structure, road surface 10, second concrete layer 6, first concrete layer 5, tiny gravel layer 4,

gravel layer

2 and 1 both sides of soil basic unit all incline fixedly together and be equipped with third concrete layer 16, be equipped with reinforcing apparatus on third concrete layer 16, reinforcing apparatus includes steel framework 15, a plurality of first stock 13 and a plurality of second stock 14, steel framework 15 inclines to inlay and fixes inside third concrete layer 16, a plurality of first stocks 13 and a plurality of second stock 14 equal equidistance and run through the cartridge on third concrete layer 16, first stock 13 one end cartridge is in

second concrete layer

6, 14 one end cartridge of second stock is in first concrete layer 5. The third concrete layer 16 and the reinforcing device reinforce the roadbed again, so that the service life of the roadbed is prolonged.

The grooves 18 are formed in the side faces, far away from each other, of the two third concrete layers 16 at equal intervals, soil is arranged in the grooves 18, shoulder stones 11 are fixedly arranged on the third concrete layers 16 on the two sides of the road surface 10, and the shoulder stones 11 are arranged at the ends, close to the road surface 10, of the shoulder stones 11 at equal intervals and penetrate through the end faces and are provided with the drain holes 12. The drainage holes 12 can prevent water from being accumulated on the road surface 10 and also can protect the roadbed, and plants are planted in the soil of the grooves 18 to improve the environment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A highway subgrade with an anti-settling function comprises a soil base layer (1) and is characterized in that a gravel layer (2) is arranged on the soil base layer (1), a first geogrid (3) is fixedly arranged between the gravel layer (2) and the soil base layer (1), a fine gravel layer (4) is arranged on one side, away from the first geogrid (3), of the gravel layer (2), a wavy first concrete layer (5) is arranged on the side, away from the gravel layer (2), of the fine gravel layer (4), a second concrete layer (6) is horizontally arranged on one side, away from the fine gravel layer (4), of the first concrete layer (5), a packing layer (7) is arranged between the second concrete layer (6) and the first concrete layer (5), a supporting device is arranged at an equal distance between the second concrete layer (6) and the first concrete layer (5), a second geogrid (9) is arranged on one side, away from the first concrete layer (7), of the second concrete layer (6), fix between second geogrid (9) and second concrete layer (6) and be equipped with watertight fittings, second geogrid (9) are kept away from on one side of second concrete layer (6) and are fixed and be equipped with road surface (10), and the side that second geogrid (9) were kept away from on road surface (10) is the arc structure, road surface (10), second concrete layer (6), first concrete layer (5), tiny gravel layer (4), gravel layer (2) and concrete foundation (1) both sides all incline jointly and fixedly are equipped with third concrete layer (16), are equipped with reinforcing apparatus on third concrete layer (16).

2. The highway subgrade with the function of preventing settlement according to claim 1, characterized in that said supporting device comprises an inverted T-shaped concrete supporting column (17), one end of said concrete supporting column (17) is embedded and fixed in the first concrete layer (5), the side of the second concrete layer (6) close to the first concrete layer (5) is provided with inserting grooves matched with the concrete supporting column (17) at equal intervals, and the other end of the concrete supporting column (17) is inserted into the inserting grooves vertically.

3. The highway subgrade with the function of preventing settlement according to claim 1, characterized in that said waterproofing device comprises a geotextile (8), both sides of said geotextile (8) are respectively fixed on a second geogrid (9) and a second concrete layer (6), and both ends of said geotextile (8) are respectively fixed on both sides of a soil base layer (1).

4. The highway subgrade with the function of preventing settlement according to claim 1, characterized in that the reinforcing device comprises a steel bar frame (15), a plurality of first anchor rods (13) and a plurality of second anchor rods (14), wherein the steel bar frame (15) is obliquely embedded and fixed inside a third concrete layer (16), the first anchor rods (13) and the second anchor rods (14) are equidistant and penetrate through the third concrete layer (16) in an inserting mode, one end of each first anchor rod (13) is inserted into the second concrete layer (6), and one end of each second anchor rod (14) is inserted into the first concrete layer (5).

5. The highway subgrade with the function of preventing settlement according to claim 1, characterized in that the two third concrete layers (16) are provided with grooves (18) at equal intervals on the sides far away from each other, soil is arranged in the grooves (18), the third concrete layers (16) on both sides of the pavement (10) are fixedly provided with shoulder stones (11), and one ends of the shoulder stones (11) close to the pavement (10) are provided with drain holes (12) at equal intervals and penetrating through.