CN211079794U

CN211079794U - Durable pavement structure

Info

Publication number: CN211079794U
Application number: CN201921351989.5U
Authority: CN
Inventors: 李�灿; 谢玲; 费颖田; 冯娟; 夏宏图; 邵琦; 张楠; 张咏
Original assignee: JILIN KELONG BUILDING ENERGY-SAVING TECHNOLOGY CO LTD
Current assignee: JILIN KELONG BUILDING ENERGY-SAVING TECHNOLOGY CO LTD
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-24
Anticipated expiration: 2029-08-20

Abstract

A durable pavement structure relates to the technical field of community pavement construction, and solves the problems of poor drainage and durability of community pavements, and comprises a tamping base layer, wherein a lock catch reinforced geocell is connected to the tamping base layer, graded broken stones are arranged above the lock catch reinforced geocell, and are provided with a bearing beam and concrete, and a coarse grain type asphalt concrete layer, a medium grain type asphalt concrete layer and a fine grain type asphalt concrete layer are sequentially arranged on the bearing beam and the concrete; the rammed base layer is provided with two retaining walls connected through steel bars, and the lock catch reinforced geocell, the lock catch connecting piece, the graded broken stone, the bearing beam and the concrete are arranged between the two retaining walls; a drainage ditch is arranged outside the retaining wall, and a curb stone with a drainage hole is arranged on the retaining wall; the bed course, tarpaulin, water-collecting layer, the cement of permeating water stabilize metalling, drainage pitch layer and the pavement layer that permeates water are laid in proper order from supreme down in the escape canal outside, and the water-collecting layer passes through the drain pipe intercommunication escape canal. The utility model discloses a drainage is good with durability.

Description

Durable pavement structure

Technical Field

The utility model relates to a road surface construction technical field of community, concretely relates to durable type road surface structure.

Background

The community lane has the problem of easy sunken and the fracture appears, and the drainage only passes through spaced sewer drainage moreover, no matter is the lane or the pavement, all has the poor problem of road surface drainage nature, and the durability on road surface just is influenced to the drainage nature is poor. The above problems also affect community construction, urban construction and people's living comfort. Few vehicles are driven in the residential area, and the road surface structure of the street is directly adopted, so that the cost is wasted, and the pavement is complicated. There is therefore a need for a new pavement structure suitable for community pavements.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a durable type road surface structure.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

a durable pavement structure comprises a tamping base layer, wherein a lock catch reinforced geocell is fixed on the tamping base layer through a connecting nail, lock catch connecting pieces are buckled at four corners of the upper side of the lock catch reinforced geocell through buckles, graded broken stones are arranged above the lock catch reinforced geocell and are connected through glue, bearing beams are arranged on the graded broken stones, concrete with the coarse aggregate volume content being lower than 40% is arranged between the bearing beams, and a coarse-grained asphalt concrete layer, a medium-grained asphalt concrete layer and a fine-grained asphalt concrete layer are sequentially arranged on the bearing beams and the concrete from bottom to top;

the rammed base layer is provided with two retaining walls which are arranged in parallel, the two retaining walls are connected through reinforcing steel bars, the latch reinforced geocell, the latch connecting piece, the graded broken stone, the bearing beam and the concrete are arranged between the two retaining walls, and the bearing beam is connected with the retaining walls; drainage ditches are arranged on the tamping base layer and outside the retaining wall, a curbstone is arranged above the retaining wall and connected with a fine particle type asphalt concrete layer, a drainage hole is arranged on the curbstone, one end of the drainage hole is communicated with the drainage ditches, the other end of the drainage hole corresponds to the upper part of the fine particle type asphalt concrete layer, and a rainwater grate is fixed in the curbstone corresponding to the drainage hole;

on the tamp basic unit, the escape canal outside is from supreme bed course, the water-collecting layer of laying in proper order, the cement that permeates water stabilizes metalling, drainage pitch layer and the road surface layer that permeates water down, is equipped with the tarpaulin between bed course and the water-collecting layer, the lower surface slope of water-collecting layer sets up, and the low of lower surface closes on the escape canal, and the drain pipe intercommunication escape canal is passed through to the lowest of lower surface.

Furthermore, the reinforcing steel bars are respectively arranged in the lock catch reinforced geocell, the graded broken stone and the coarse-grained asphalt concrete layer.

Furthermore, the lowest part of the other end of the water outlet corresponds to the upper surface of the fine-grain asphalt concrete layer.

Furthermore, the upper surface of the water permeable pavement layer is level to the upper surface of the curbstone.

Furthermore, a baffle is arranged on the drainage ditch.

Furthermore, the road surface layer that permeates water is located the escape canal and connects the way tartar.

Furthermore, the coarse aggregate is egg-broken stone.

Furthermore, the distance between the drain pipes is 0.5m, and the drain pipes are positioned in the water collecting layer and the cushion layer.

Further, the volume content of the coarse aggregate of the concrete is higher than 30%.

Further, supreme coarse grain formula asphalt concrete layer and the curbstone of being equipped with in proper order down on the barricade, well grain formula asphalt concrete layer and the connection curbstone of fine grain formula asphalt concrete layer.

The utility model has the advantages that:

1. the utility model discloses a limiting displacement of two mutually independent barricades through the articulated connection of reinforcing bar in order to guarantee the barricade prevents that the material from scattering, restricts the horizontal pulling force on road surface.

2. The tensile strength, the material tensile strength and the elongation rate of the lock catch reinforced geocell are excellent, the force of the bearing beam can be transmitted, the generated shear stress and vertical pressure can be offset, the compression resistance and the elasticity are considered, and the anti-cracking and anti-collapse functions can be realized.

3. Can bear and disperse the pressure directly over the road surface through spandrel girder and concrete, the spacing of cooperation barricade and the compressive tensile strength of hasp strenghthened type geotechnological check room improve the bearing capacity of whole ground, prevent to produce stronger shear stress because stress distribution is inhomogeneous, reduce the production possibility of crack, reduce the possibility that the road surface sinks, improve the durability on road surface.

4. The utility model discloses a setting of bed course, water-collecting layer, the cement that permeates water stabilization metalling, drainage pitch layer and the road surface layer that permeates water to and the setting through curb and escape canal, improved the drainage performance on the road surface that the car went, reduce road surface ponding, improved the durability on road surface, improve community construction, urban area construction and people's comfort level of living. Meanwhile, the road surface space is saved by the arrangement of the curbstone.

Drawings

Fig. 1 is a schematic structural view of a durable pavement structure of the present invention.

Fig. 2 is a structural diagram of a durable road surface structure of the present invention.

In the figure: 1. rammed base layer, 1.1, reinforcing bar, 2, barricade, 3, hasp strenghthened type geotechnological check room, 4, gradation rubble, 5, spandrel girder, 6, concrete, 7, escape canal, 8, curbstone, 8.1, wash port, 8.2, rainwater grate, 9, coarse grain formula asphalt concrete layer, 10, medium grain formula asphalt concrete layer, 11, fine grain formula asphalt concrete layer, 12, bed course, 13, tarpaulin, 14, water collection layer, 15, the cement that permeates water stabilizes the rubble layer, 16, drainage pitch layer, 17, the pavement layer that permeates water, 18, the drain pipe.

Detailed Description

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

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A durable pavement structure includes a roadway and a sidewalk. As shown in fig. 1, the concrete comprises a rammed base layer 1, a retaining wall 2, a latch reinforced geocell 3, latch connectors, graded broken stones 4, a bearing beam 5, concrete 6, a drainage ditch 7, a curb 8, a coarse-grained asphalt concrete layer 9, a medium-grained asphalt concrete layer 10, a fine-grained asphalt concrete layer 11, a cushion layer 12, a waterproof cloth 13, a water collecting layer 14, a permeable cement stabilized gravel layer 15, a drainage asphalt layer 16, a permeable pavement layer 17 and a drainage pipe 18.

The rammed base layer 1 is provided with two retaining walls 2, the two retaining walls 2 are arranged in parallel, and the two retaining walls 2 are connected through a reinforcing steel bar 1.1 as shown in a left-right arrangement of figure 1.

Hasp strenghthened type geotechnological check room 3 sets up on tamping basic unit 1, and is located between two barricades 2, and hasp strenghthened type geotechnological check room 3 is fixed on tamping basic unit 1 through connecting the nail. The lock catch connecting pieces are buckled at four corners of the upper side of the lock catch reinforced geocell 3 through buckles, the graded broken stones 4 are arranged above the lock catch reinforced geocell 3 and are connected through glue, the lock catch reinforced geocell 3 is filled with the graded broken stones 4 with the grain size of 1-3cm, and the graded broken stones are tamped and leveled after being filled to the plane.

The graded broken stone 4 is provided with a bearing beam 5. The spandrel girder 5 is transversely arranged and is perpendicular to the retaining wall 2. Concrete 6 is arranged between the bearing beams 5, the volume content of coarse aggregate of the concrete 6 is lower than 40%, the aim is that the elastic modulus is moderate, the volume content of the coarse aggregate is usually higher than 30% in the field, and the crushed cobbles are selected in the embodiment. The concrete 6 fills the gaps between the bearing beams 5, and the height reached by the bearing beams 5 and the concrete 6 after filling is equal, namely the upper surfaces of the bearing beams 5 and the concrete 6 are positioned on the same plane. The concrete 6 with the coarse aggregate volume content lower than 40% has strong compression resistance and certain elastic deformation, can transmit the force of the bearing beam 5, can offset the generated shear stress and vertical pressure, has both compression resistance and elasticity, and can prevent cracking and collapse. The spandrel girder 5 is connected with the retaining wall 2 through the concrete 6, and the concrete 6 has the function of fixing the spandrel girder 5 and the retaining wall 2. Each spandrel girder 5 can be more than or equal to 2 sections, and is connected with each other in proper order with the wire drawing reinforcing bar cover.

Hasp strenghthened type geotechnological check room 3, hasp connecting piece, gradation rubble 4, spandrel girder 5 and concrete 6 all set up between two barricades 2, are located barricade 2 inboards. The two retaining walls 2 are connected through the steel bars 1.1, the steel bars 1.1 are respectively arranged in the lock catch reinforced geocell 3, the graded broken stone 4 and the concrete 6, or the steel bars 1.1 are respectively arranged in the lock catch reinforced geocell 3, the graded broken stone 4 and the coarse grain type asphalt concrete layer 9.

Coarse-grained asphalt concrete layers 9 are laid on the bearing beams 5 and the concrete 6, medium-grained asphalt concrete layers 10 are laid on the coarse-grained asphalt concrete layers 9, and fine-grained asphalt concrete layers 11 are laid on the medium-grained asphalt concrete layers 10. Road dental calculus 8 connects fine grain formula asphalt concrete layer 11, road dental calculus 8 can set up on fine grain formula asphalt concrete layer 11, on well grain formula asphalt concrete layer 10, on coarse grain formula asphalt concrete layer 9 or set up on barricade 2, barricade 2 top is equipped with road dental calculus 8 promptly, do not restrict barricade 2 and road dental calculus 8 and connect, can be equipped with coarse grain formula asphalt concrete layer 9 in the middle of the two, can be equipped with coarse grain formula asphalt concrete layer 9 and well grain formula asphalt concrete layer 10 in the middle of, can be equipped with coarse grain formula asphalt concrete layer 9 in the middle of, well grain formula asphalt concrete layer 10 and fine grain formula asphalt concrete layer 11. In this embodiment, from supreme being equipped with coarse grain formula asphalt concrete layer 9 and curbstone 8 in proper order down on barricade 2, the side of middle grain formula asphalt concrete layer 10 and the fine grain formula asphalt concrete layer 11 connection curbstone 8, the bottom surface of coarse grain formula asphalt concrete layer 9 connection curbstone 8. The fine-grained asphalt concrete layer 11 is used for driving the automobile.

And drainage ditches 7 are arranged on the upper part of the tamping base layer 1 and on the outer side of the retaining wall 2. As shown in fig. 2, the curb 8 is provided with a drain hole 8.1, one end of the drain hole 8.1 is communicated with the drain ditch 7 and the other end thereof is above the fine particle type asphalt concrete layer 11, the lowest part of the other end of the drain port corresponds to the upper surface of the fine particle type asphalt concrete layer 11, and the other end of the drain port can be lower than the upper surface of the fine particle type asphalt concrete layer 11. A rainwater grate 8.2 is fixed in the curb 8 corresponding to the drainage hole 8.1. The curbstone 8 has the effect of the edge restriction restraint of the roadway and is also the drainage way of the roadway, a road surface structure drainage hole 8.1 is not required to be independently arranged, a sewer with a certain distance is not required to be arranged, and the curbstone 8 is used to save space, save cost and have high drainage efficiency.

On the tamping basic unit 1, the escape canal 7 outside is from supreme laying bed course 12, water-collecting layer 14, the cement that permeates water stabilizes the metalling 15, drainage pitch layer 16 and the road surface layer 17 that permeates water in proper order down, and one side of escape canal 7 is barricade 2, and the opposite side is bed course 12, water-collecting layer 14, the cement that permeates water stabilizes the metalling 15 and drainage pitch layer 16. The drainage ditch 7 can be provided with a baffle plate, and the baffle plate can be provided with a permeable pavement layer 17. The permeable pavement layer 17 is level with the curbstone 8, i.e. the upper surface of the permeable pavement layer 17 is level with the upper surface of the curbstone 8. And a second waterproof cloth 13 is arranged between the cushion layer 12 and the second water collecting layer 14, the lower surface of the water collecting layer 14 is obliquely arranged, the lower part of the lower surface of the water collecting layer 14 is close to the drainage ditch 7, the lowest part of the lower surface of the water collecting layer 14 is provided with a drainage pipe 18, and the water collecting layer 14 is communicated with the drainage ditch 7 through the drainage pipe 18. The sidewalk drains water through a permeable pavement layer 17, a draining asphalt layer 16, a permeable cement stabilized gravel layer 15, a water collecting layer 14 and a drain pipe 18. The cushion layer 12 is filled with pond residues. The water collecting layer 14 is a gravel water collecting layer 14, or the water collecting layer 14 is formed by tamping broken stones and rubbles. The drain pipes 18 are arranged slightly obliquely, the lower ends of the drain pipes are communicated with the drainage ditch 7, the surface opening rate of the connecting ends of the drain pipes and the water collecting layer 14 is 30%, the distance between the drain pipes 18 is 0.5m, and the drain pipes are positioned in the water collecting layer 14 and the cushion layer 12. In addition, the drainage ditch 7 may also be provided with a drainage port for directly draining water on the permeable pavement layer 17, that is, the baffle is a hollow plate, the permeable pavement layer 17 is not provided on the baffle, and the baffle is slightly lower than the permeable pavement layer 17.

The utility model discloses a two mutually independent barricades 2 prevent that the material from scattering all the time through the articulated limiting displacement of connecting in order to guarantee barricade 2 of reinforcing bar 1.1, restrict the horizontal pulling force on road surface. The tensile strength, the material tensile strength and the elongation rate of the lock catch reinforced geocell 3 are excellent, the force of the bearing beam 5 can be transmitted, the generated shear stress and vertical pressure can be offset, the compression resistance and the elasticity are considered, and the anti-cracking and anti-collapse functions are realized. Can bear and disperse the pressure directly over the road surface through spandrel girder 5 and concrete 6, cooperate the spacing of barricade 2 and the compressive tensile strength of hasp strenghthened type geotechnological check room 3, improve the bearing capacity of whole ground, prevent to produce stronger shear stress because stress's distribution is inhomogeneous, reduce the production possibility in crack, reduce the possibility that the road surface sinks, improve the durability on road surface. The utility model discloses a bed course 12, water-collecting layer 14, the cement that permeates water stabilize metalling 15, drainage pitch layer 16 and the pavement layer 17 that permeates water set up and make the pavement water permeability good. By means of the kerbstone 8, the pavement space is saved. The arrangement of the curb stone 8 and the drainage ditch 7 improves the drainage performance of the running road surface, the drainage speed is high, the durability of the road surface is improved, the accumulated water on the road surface is reduced, the phenomenon that the running water splashes to dirty clothes and trousers of pedestrians is avoided, and the living comfort level of community construction, urban construction and people is improved. The pavement and the roadway are good in water permeability, so that the durability of the pavement is improved.

Claims

1. A durable pavement structure is characterized by comprising a tamping base layer (1), wherein a lock catch reinforced geocell (3) is fixed on the tamping base layer (1) through a connecting nail, a lock catch connecting piece is buckled on four corners of the upper side of the lock catch reinforced geocell (3) through a buckle, graded broken stones (4) are arranged above the lock catch reinforced geocell (3) and are connected by glue, bearing beams (5) are arranged on the graded broken stones (4), concrete (6) with the volume content of coarse aggregate lower than 40% is arranged between the bearing beams (5), and a coarse grain type asphalt concrete layer (9), a medium grain type asphalt concrete layer (10) and a fine grain type asphalt concrete layer (11) are sequentially arranged on the bearing beams (5) and the concrete (6) from bottom to top;

the ramming base layer (1) is provided with two retaining walls (2) which are arranged in parallel, the two retaining walls (2) are connected through a steel bar (1.1), the lock catch reinforced geocell (3), the lock catch connecting piece, the graded broken stone (4), the bearing beam (5) and the concrete (6) are all arranged between the two retaining walls (2), and the bearing beam (5) is connected with the retaining walls (2); drainage ditches (7) are arranged on the tamping base layer (1) and on the outer side of the retaining wall (2), curbstones (8) are arranged above the retaining wall (2), the curbstones (8) are connected with a fine particle type asphalt concrete layer (11), drainage holes (8.1) are formed in the curbstones (8), one ends of the drainage holes (8.1) are communicated with the drainage ditches (7) and the other ends of the drainage holes correspond to the upper part of the fine particle type asphalt concrete layer (11), and rainwater grates (8.2) are fixed in the curbstones (8) corresponding to the drainage holes (8.1);

tamp basic unit (1) on, escape canal (7) outside from down supreme bed course (12), water-collecting layer (14), the cement that permeates water stabilizes metalling (15), drainage pitch layer (16) and the road surface layer (17) that permeates water of laying in proper order down, be equipped with tarpaulin (13) between bed course (12) and water-collecting layer (14), the lower surface slope of water-collecting layer (14) sets up, and escape canal (7) are close to the low department of lower surface, and drain pipe (18) intercommunication escape canal (7) are passed through to the lowest department of lower surface.

2. A durable pavement structure according to claim 1, wherein said reinforcing bars (1.1) are provided in said latchbonded geocell (3), said graded crushed stones (4) and said coarse-grained asphalt concrete layer (9), respectively.

3. A durable pavement structure according to claim 1, wherein the lowest portion of the other end of said drainage hole (8.1) corresponds to the upper surface of said fine grained asphalt concrete layer (11).

4. A durable pavement structure according to claim 1, wherein the upper surface of said water-permeable pavement layer (17) is flush with the upper surface of said curb (8).

5. A durable pavement structure according to claim 1, wherein said drainage gutters (7) are provided with baffles.

6. A durable pavement structure according to claim 1, wherein said permeable pavement layer (17) is located in a gutter (7) and is connected to said curbstone (8).

7. A durable pavement structure as set forth in claim 1 wherein said coarse aggregate is crushed ovoid.

8. A durable pavement structure according to claim 1, wherein said drainage pipes (18) are spaced apart by 0.5m, the drainage pipes (18) being located within the water collection layer (14) and the mat (12).

9. A durable pavement structure according to claim 1, characterized in that said concrete (6) has a coarse aggregate volume content higher than 30%.

10. A durable pavement structure according to claim 1, wherein said retaining wall (2) is provided with a coarse asphalt concrete layer (9) and a curb stone (8) from bottom to top, and a medium asphalt concrete layer (10) and a fine asphalt concrete layer (11) are connected to the curb stone (8).