CN217460139U

CN217460139U - Long-life road structure

Info

Publication number: CN217460139U
Application number: CN202221420504.5U
Authority: CN
Inventors: 刘星
Original assignee: Zhejiang Hengwei Construction Group Co ltd
Current assignee: Zhejiang Hengwei Construction Group Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-20
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a mix earth road technical field, specifically be a long-life road structure, road structure body includes the soil layer, the top fixedly connected with waterproof layer of soil layer, the top fixedly connected with bed course of waterproof layer, the inside fixedly connected with fixed frame of bed course, the top fixedly connected with basic unit of bed course, the top fixedly connected with concrete layer of basic unit, the inside fixedly connected with backup pad of concrete layer, the inside of concrete layer just is located the below fixedly connected with bottom plate of backup pad. This long-life road structure sets up backup pad and bottom plate through the inside at concrete layer for laying in concrete layer that collecting pipe and drain pipe can be safe, the rainwater that guarantees to come from the asphalt surface course can be arranged to the outer slot of road bed through collecting pipe and drain pipe and go in, and fixed frame's setting simultaneously makes the inside rubble of bed course obtain fixing, and when bearing pressure, the condition that the rubble can not appear collapsing takes place.

Description

Long-life road structure

Technical Field

The application relates to the technical field of concrete roads, in particular to a long-life road structure.

Background

The road surface is a layered structure that is laid on a road bed with various road building materials and directly bears the load of vehicles. The pavement with good quality has enough strength and good stability, and the surface of the pavement can meet the requirements of smoothness, compactness and skid resistance. The pavement structure consists of a surface layer, a base layer and a cushion layer.

The existing asphalt concrete pavement has poor stability, and because the strength and the rigidity of the asphalt pavement are obviously reduced along with the rise of the temperature, diseases such as waves, push, ruts, hugs and the like are easily generated under the repeated action of traffic load in high-temperature seasons, so that the flatness of the pavement is influenced; the common asphalt concrete pavement has poor crack resistance, because the asphalt pavement decreases along with the temperature, the stiffness is increased, the expansion capability is reduced, under the action of an external load, a part of stress cannot be relaxed in time, the stress is gradually accumulated, and the accumulated stress is cracked when exceeding the tensile strength of the material, thereby causing the damage of the pavement; the water stability of the common asphalt concrete pavement is poor, if the water exists in the common asphalt pavement, the cohesive force of asphalt can be reduced, and the cohesive force between the asphalt and mineral aggregates in the asphalt pavement can be damaged, so that the water damages such as asphalt film stripping, particle falling, loosening, pit and the like can be caused, and the long-service-life road structure is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides a long-life road structure, possesses long service life, and permeates water advantage such as effectual, has solved its stability on current road surface relatively poor, permeates water the not good problem of effect during sleet weather.

For realizing above-mentioned long service life and the not good purpose of effect of permeating water, this application provides following technical scheme: the utility model provides a long-life road structure, includes the road structure body, its characterized in that: the road structure body includes the soil layer, the top fixedly connected with waterproof layer of soil layer, the top fixedly connected with bed course of waterproof layer, the inside fixedly connected with fixed frame of bed course, the top fixedly connected with basic unit of bed course, the top fixedly connected with concrete layer of basic unit, the inside fixedly connected with backup pad of concrete layer, the inside and below fixedly connected with bottom plate that is located the backup pad of concrete layer, the inside fixedly connected with collecting pipe of backup pad, the bottom fixedly connected with drain pipe of collecting pipe, the inside of concrete layer still is provided with the support column, the both ends of support column respectively with backup pad and the relative one side fixed connection of bottom plate, the support column is located the rear of drain pipe, the top fixedly connected with pitch surface course of concrete layer.

The beneficial effect of adopting the further scheme is that: through the inside backup pad and the bottom plate that set up at concrete layer for laying that collecting pipe and drain pipe can be safe is in concrete layer's inside, and the rainwater that guarantees to come from the asphalt surface course can go in discharging the outer slot of road bed through collecting pipe and drain pipe, and fixed frame's setting simultaneously makes the inside rubble of bed course obtain fixing, and when bearing pressure, the condition that the rubble can not appear collapsing takes place.

Further, the excavation thickness on soil layer is three hundred millimeters, fixed frame's cross sectional shape is square, and its inside bracing piece that is provided with, the cross sectional shape of bracing piece is circular.

The beneficial effect of adopting the further scheme is that: through the inside at the bed course setting fixed frame for the inside rubble of bed course can not be because of extrusion strength irregular removal under the condition that has fixed frame, and the bracing piece is circular then makes the rubble under the effect of vibrating, and what block each other is inseparabler, prevents that the phenomenon of displacement from appearing in the concrete layer of top.

Furthermore, the supporting plate and the bottom plate are parallel to each other, and the size of the supporting plate is the same as that of the bottom plate.

The beneficial effect of adopting the further scheme is that: parallel with the bottom plate through the backup pad, recycle the support column and support, inside packing has the concrete to can effectually protect collecting pipe and drain pipe.

Further, the width of each side of the cushion layer is wider than that of the soil layer by twenty-five centimeters, the building concrete crushed slag, gravel or gravel adopted by the cushion layer 3 has the particle size of thirty-sixty millimeters, the content of the particles with the particle size of forty-five to sixty millimeters is sixty percent, and the paving thickness is twenty centimeters.

The beneficial effect of adopting the further scheme is that: the particle size of the building concrete crushed slag, broken stone or gravel adopted by the cushion layer is 20-80 mm, the laying thickness is 10-20 cm, the occupied amount of the broken stone in the broken stone and slag mixture adopted by the base layer is 80%, the maximum particle size of the mixture is not more than 60mm, the content of the particle size of 30-40 mm is 70%, and the laying thickness is 20cm, so that the cushion layer can play a role in stably supporting.

Further, the basic unit adopts rubble slabstone concretion mixture, and its thickness is one hundred millimeters, the width of basic unit is unanimous with the width on bed course, the inside of basic unit is provided with horizontal and longitudinal reinforcement.

The beneficial effect of adopting the further scheme is that: by adopting the mixture of the crushed stone and the slag in the base layer, the occupied amount of the crushed stone is 60-75%, the maximum particle size of the mixture is not more than 60mm, the content of the particle size of 30-40 mm is 65-75%, and the paving thickness is 5-10 cm, so that the strength of the road is improved, and the base layer is prevented from cracking in use.

Further, the width of concrete layer is narrow in the avris five centimetres of basic unit on every side, concrete laying thickness on concrete layer is twenty five centimetres, the cross sectional shape of backup pad is square, and its thickness is twenty millimetres, and the collection tube hole has been seted up to inside, the quantity of support column is two, and its cross sectional shape is circular, the cross sectional shape of bottom plate is square, and the size with backup pad size looks adaptation.

The beneficial effect of adopting the further scheme is that: the width of the concrete layer is narrower than that of the base layer, so that the concrete layer is not easy to deform under stress at extreme temperature, and has long service life and good temperature stability; the thickness of the concrete layer is twenty-five centimeters, and the concrete layer is vibrated by a vibrating spear and is collected, so that the impact force and the pressure from the asphalt surface layer are ensured to be absorbed; through set up backup pad, support column, bottom plate in concrete layer's inside for collecting pipe and drain pipe stable installation are inside backup pad and bottom plate, and support then give the space and support, also convenient and fast relatively when laying, inside then gets up with filling of concrete and makes it guarantee its definite hardness.

Further, the asphalt surface layer is an asphalt mixture, the paving thickness is 3-10 cm, and before the asphalt surface layer is paved, the concrete layer is spread with adhesive layer oil.

The beneficial effect of adopting the further scheme is that: adopt SBS modified emulsified asphalt as the adhesive layer material through the adhesive layer oil for guarantee that geosynthetic material and concrete layer effectively bond, spread need use interim protection railing closed road after the adhesive layer oil is accomplished, prevent that vehicle, personnel from trampling and destroying the adhesive layer, road surface deformation fracture does not take place under the extreme temperature simultaneously, and wear resistance is strong.

Furthermore, ditches are arranged on the left side and the right side of the concrete layer, water outlets of the drain pipes are fixedly connected with the ditches, the number of the collecting pipes is not less than five, and the collecting pipes are matched with the collecting pipe holes in size.

The beneficial effect of adopting the further scheme is that: the drainage pipe and the ditch are arranged, so that rainwater from the asphalt surface layer can be drained into the ditch outside the roadbed through the drainage pipe, the number of the collecting pipes is not less than five, the situation of congestion cannot occur when the rainwater amount is large, and the collecting pipes can be arranged in the collecting pipe holes; the grooves are arranged to ensure that the pavement is cracked in hot summer.

Compared with the prior art, the application provides a long-life road structure, possesses following beneficial effect:

1. the long-life road structure is characterized in that building concrete crushed slag which is well reversely graded is evenly paved inside a fixed frame above a reverse filter fabric by using a stone crusher to form a cushion layer, so that not only can building wastes be fully utilized, but also the road surface structure is more stable, the water permeability is better, a water outlet for draining water is reserved on the side edge of the cushion layer, after the cushion layer is paved, a prepared stone slag mixture is evenly paved above the cushion layer by using the stone crusher, a reinforcing steel bar is embedded to form a base layer, after the paving is finished, water is sprayed on the base layer and compacted by using a road roller, a supporting plate and a bottom plate connecting collecting pipe and a drain pipe are placed above the base layer, after concrete is filled into the interiors of the supporting plate and the bottom plate, the concrete is compacted and leveled by using a vibrator, after an oil layer is pasted, the prepared asphalt mixture is paved on the top of the concrete layer, the high temperature stress does not deform, and the low temperature does not break.

2. According to the long-life road structure, the waterproof layer is arranged, the filler is the reverse filter fabric and is laid above the soil layer, and the joint is overlapped by at least 15cm, so that fine soil can be effectively prevented from entering the reverse filter fabric, a natural reverse filter layer is formed, and the road surface structure is reinforced; through the inside backup pad and the bottom plate that set up at concrete layer for laying that collecting pipe and drain pipe can be safe is in concrete layer's inside, and the rainwater that guarantees to come from the asphalt surface course can go in discharging the outer slot of road bed through collecting pipe and drain pipe, and fixed frame's setting simultaneously makes the inside rubble of bed course obtain fixing, and when bearing pressure, the condition that the rubble can not appear collapsing takes place.

Drawings

FIG. 1 is a partial front cross-sectional view of the structure of the present application.

In the figure: 1. a soil layer; 2. a waterproof layer; 3. a cushion layer; 4. a base layer; 5. a concrete layer; 6. an asphalt surface layer; 7. a support plate; 8. a support pillar; 9. a base plate; 10. a collection pipe; 11. a drain pipe; 12. and fixing the frame.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, a long-life road structure comprises a road structure body, the road structure body comprises a soil layer 1, a waterproof layer 2 is fixedly connected to the top of the soil layer 1, a cushion layer 3 is fixedly connected to the top of the waterproof layer 2, a fixed frame 12 is fixedly connected to the inside of the cushion layer 3, the cross section of the fixed frame 12 is square, a support rod is arranged in the fixed frame, the cross section of the support rod is circular, the top end of the support rod is fixedly connected to the top of the inner wall of the fixed frame 12, the bottom end of the support rod is fixedly connected to the bottom of the inner wall of the fixed frame 12, so that when the fixed frame 12 is arranged on the broken stone in the cushion layer 3, the broken stone cannot move irregularly due to extrusion force, and when the support rod is circular, the broken stone is clamped tightly under the vibrating action, the displacement phenomenon of the concrete layer 5 above is prevented, and a base layer 4 is fixedly connected to the top of the cushion layer 3, the top of the base layer 4 is fixedly connected with a concrete layer 5, the top of the concrete layer 5 is fixedly connected with an asphalt surface layer 6, each side of the width of the concrete layer 5 is narrower than the side of the base layer 4 by five centimeters, the concrete strength grade of the concrete layer 5 is C30, the laying thickness of the concrete layer is twenty-five centimeters, the width of the concrete layer 5 is narrower than that of the base layer, the concrete layer is not easy to deform under stress at extreme temperature, the service life is long, and the temperature stability is good; the thickness of the concrete layer 5 is twenty-five centimeters, and the vibrating rod is used for vibrating and collecting the surface, so that the impact force and the pressure from the asphalt surface layer 6 are ensured to be absorbed.

The concrete layer 5 is internally and fixedly connected with a supporting plate 7, the cross section of the supporting plate 7 is square, the thickness of the supporting plate 7 is twenty millimeters, a collecting pipe hole is formed in the supporting plate, a bottom plate 9 is fixedly connected to the inner part of the concrete layer 5 and is positioned below the supporting plate 7, a supporting column 8 is further arranged in the concrete layer 5, two ends of the supporting column 8 are respectively and fixedly connected with one side, opposite to the supporting plate 7 and the bottom plate 9, of the supporting plate 7, the cross section of the supporting column 8 is circular, the cross section of the bottom plate 9 is square, the size of the cross section of the bottom plate is matched with that of the supporting plate 7, the collecting pipe hole of the supporting plate 7 is fixedly connected with a collecting pipe 10, the bottom of the collecting pipe 10 is fixedly connected with a drain pipe 11, the supporting column 8 is positioned behind the drain pipe 11, the supporting plate 7, the supporting column 8 and the bottom plate 9 are arranged in the concrete layer 5, so that the collecting pipe 10 and the drain pipe 11 are stably installed in the supporting plate 7 and the bottom plate 9, the supporting columns 8 support the space, the laying is relatively convenient and fast, and the inside is filled with concrete to ensure certain hardness of the concrete.

The top of the concrete layer 5 is fixedly connected with an asphalt surface layer 6, the asphalt surface layer 6 is an asphalt mixture, the laying thickness is 3-10 cm, adhesive layer oil is spread on the concrete layer 5 before the asphalt surface layer 6 is laid, the SBS modified emulsified asphalt is adopted as the adhesive layer material by the adhesive layer oil, the spreading temperature is controlled to be 130-170 ℃, used for ensuring the effective bonding of the geosynthetic material and the concrete layer 5, a temporary protective railing is needed to seal the road after the spreading of the bonding coat oil is finished, the damage to the bonding coat caused by the trampling of vehicles and personnel is prevented, meanwhile, the road surface does not deform and break at extreme temperature, the wear resistance is strong, the supporting plate 7 and the bottom plate 9 are parallel to each other, the size of the supporting plate 7 is the same as that of the bottom plate 9, through backup pad 7 and bottom plate 9 parallels, recycle support column 8 and support, inside packing has the concrete to can effectually protect collecting pipe and drain pipe.

The excavation thickness of the soil layer 1 is three hundred millimeters, the compaction coefficient is controlled to be about ninety three percent, the soil layer 1 is compacted, a light road roller is used for rolling the surface of the soil layer, the compaction degree is repeatedly rolled until the minimum compaction degree reaches 0.93, the compaction coefficient of the soil layer 1 is controlled to be 94 percent, and therefore the soil base 1 can stably support a foundation layer on the soil base, and when water permeates into the soil layer 1, the soil layer 1 cannot be loosened and settled;

in this embodiment, the waterproof layer 2 is composed of mineral aggregate emulsified asphalt, filler, water, additives and the like, the waterproof layer 2 is arranged, the filler is a reverse filter fabric laid above the soil layer 1, and the joint is overlapped by at least 10cm, so that fine soil can be effectively prevented from entering the reverse filter fabric, a natural reverse filter layer is formed, and the pavement structure is reinforced.

In the embodiment, the width of each side of the cushion layer 3 is wider than that of the soil layer 1 by twenty-five centimeters, the building concrete crushed slag, gravel or gravel adopted by the cushion layer 3 has the particle size of thirty-sixty millimeters, the content of the particle size of forty-five-sixty millimeters is sixty percent, the paving thickness is twenty centimeters, the particle size of the building concrete crushed slag, gravel or gravel adopted by the cushion layer 3 is 20-80 mm, the content of the particle size of 45-60 mm is 65-80%, the paving thickness is 10-20 cm, the occupied amount of the gravel in the slag mixture adopted by the base layer 3 is 80%, the maximum particle size of the mixture is not more than 60mm, the content of the particle size of 30-40 mm is 70%, and the paving thickness is 20cm, so that the cushion layer can play a role in firm supporting.

In this embodiment, basic unit 4 adopts rubble slay slag concretion mixture, its thickness is one hundred millimeters, the width of basic unit 4 is unanimous with the width of bed course 2, the inside of basic unit 4 is provided with horizontal and longitudinal reinforcement, rubble occupation is 60% ~ 75%, the maximum particle size of mixture is not more than 60mm, and the particle size is 65% ~ 75% at 30 ~ 40 mm's content, it is 5 ~ 10cm to lay the thickness, this just makes the intensity of road improve, and the diameter 8mm of reinforcing bar, the net interval 10cm, guaranteed that basic unit 4 can not the condition of fracture take place in use.

In the embodiment, ditches are arranged on the left side and the right side of the concrete layer 5, the water outlets of the drain pipes 11 are fixedly connected with the ditches, the number of the collecting pipes 10 is not less than five, the size of the collecting pipes is matched with the size of the collecting pipe holes, the ditches and the drain pipes 11 are arranged, so that rainwater from the asphalt surface layer 6 can be discharged into the ditches outside the roadbed through the drain pipes 11, the number of the collecting pipes 10 is not less than five, when the rainwater amount is large, the condition of congestion cannot occur, and the collecting pipes 10 can be arranged in the collecting pipe holes; the grooves are arranged to ensure that the pavement is cracked in hot summer.

The working principle of the above embodiment is as follows:

according to the long-life road structure, a foundation trench is formed by excavating a soil layer 1 along a side line of a foundation with an excavator, redundant earthwork is transported to a specified earth piling field, elevation is controlled when the earthwork is excavated to the bottom of a foundation pit, a manual soil excavation layer with the thickness of 300mm is reserved, and manual cooperation is performed to clean the foundation to the designed elevation; compacting the bottom of the tank, specifically rolling the bottom of the tank by using a light road roller, paving a filler reverse filtering fabric of a waterproof layer 2 above a soil layer 1, overlapping at least 10cm at a joint, then preventing fine soil from entering the reverse filtering fabric, uniformly paving graded building concrete crushed slag inside a fixed frame 12 above the reverse filtering fabric by using a gravel paver to form a cushion layer 3, so that not only can the building waste be fully utilized, but also the road surface structure is more stable, the water permeability is better, reserving a drainage port for drainage at the side edge of the cushion layer 3, after the cushion layer 3 is paved, uniformly paving slag of the well-graded gravel mixture above the cushion layer 3 by using the gravel paver, embedding reinforcing steel bars into the cushion layer 4, sprinkling water on the base layer 4 after paving, compacting by using the road roller, controlling the walking speed of the road roller to km 4/h, the compaction coefficient is up to 95%, when the concrete layer 5 is laid finally, the supporting plate 7 and the bottom plate 9 are connected with the collecting pipe 10 and the drain pipe 11 and are placed above the base layer 4, the concrete is filled into the supporting plate 7 and the bottom plate 9 and then is compacted and smoothed by the vibrator, the oil-sticking layer is brushed and then the well-prepared OGFC-13 graded asphalt mixture is laid and laid on the top of the concrete layer 5, the paving speed is 3m/min, a 25t road roller is selected for compaction, the walking speed is controlled to be 2km/h, the high-temperature stress is not deformed, and the low-temperature fracture is not caused.

The electrical components shown herein are electrically connected to a main controller and a power supply, the main controller can be a conventional known device controlled by a computer, and the conventional power connection technology disclosed in the prior art is not described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a long-life road structure, includes the road structure body, its characterized in that: the road structure body comprises a soil layer (1), a waterproof layer (2) is fixedly connected to the top of the soil layer (1), a cushion layer (3) is fixedly connected to the top of the waterproof layer (2), a fixing frame (12) is fixedly connected to the inside of the cushion layer (3), a base layer (4) is fixedly connected to the top of the cushion layer (3), a concrete layer (5) is fixedly connected to the top of the base layer (4), a supporting plate (7) is fixedly connected to the inside of the concrete layer (5), a bottom plate (9) is fixedly connected to the inside of the concrete layer (5) and below the supporting plate (7), a collecting pipe (10) is fixedly connected to the inside of the supporting plate (7), a drain pipe (11) is fixedly connected to the bottom of the collecting pipe (10), a supporting column (8) is further arranged inside of the concrete layer (5), and two ends of the supporting column (8) are fixedly connected to one side of the supporting plate (7) and the bottom plate (9) respectively, the support column (8) is located behind the drain pipe (11), and the top of the concrete layer (5) is fixedly connected with an asphalt surface layer (6).

2. The long life roadway structure of claim 1, wherein: the excavation thickness of the soil layer (1) is three hundred millimeters, the cross-sectional shape of the fixed frame (12) is square, a supporting rod is arranged in the fixed frame, and the cross-sectional shape of the supporting rod is circular.

3. The long life roadway structure of claim 1, wherein: the supporting plate (7) is parallel to the bottom plate (9), and the size of the supporting plate (7) is the same as that of the bottom plate (9).

4. The long life roadway structure of claim 1, wherein: the width of each side of the cushion layer (3) is wider than that of the soil layer (1) by twenty-five centimeters, the building concrete crushed slag, gravel or gravel adopted by the cushion layer (3) has the particle size of thirty-sixty millimeters, the content of the particle size of forty-five to sixty millimeters is sixty percent, and the paving thickness is twenty centimeters.

5. The long life roadway structure of claim 1, wherein: the base course (4) adopts rubble slabstone mixture, and its thickness is one hundred millimeters, the width of base course (4) is unanimous with the width of bed course (3), the inside of bed course (3) is provided with horizontal and vertical reinforcing bar.

6. The long life roadway structure of claim 1, wherein: the avris five centimetres of width each side of concrete layer (5) is narrower than basic unit (4), the concrete laying thickness of concrete layer (5) is twenty five centimetres, the cross sectional shape of backup pad (7) is square, and its thickness is twenty millimeters, and the collection tube hole has been seted up to inside, the quantity of support column (8) is two, and its cross sectional shape is circular, the cross sectional shape of bottom plate (9) is square, and the size with backup pad (7) size looks adaptation.

7. The long life roadway structure of claim 1, wherein: the asphalt surface layer (6) is an asphalt mixture, the laying thickness is 3-10 cm, and the concrete layer (5) is spread with adhesive layer oil before the asphalt surface layer (6) is laid.

8. The long life roadway structure of claim 1, wherein: the left side and the right side of the concrete layer (5) are provided with ditches, water outlets of the drain pipes (11) are fixedly connected with the ditches, the number of the collecting pipes (10) is not less than five, and the collecting pipes are matched with the collecting pipe holes in size.