CN112048954B

CN112048954B - Municipal engineering road structure and construction method thereof

Info

Publication number: CN112048954B
Application number: CN202010768981.XA
Authority: CN
Inventors: 江洪; 张贤堂; 徐元飞
Original assignee: Shenzhen Runchen Construction Development Co ltd
Current assignee: Shenzhen Runchen Construction Development Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2022-08-30
Anticipated expiration: 2040-08-03
Also published as: CN112048954A

Abstract

The utility model relates to a municipal works road structure and construction method thereof, it includes by the plain soil layer, flattening layer, bed course, basic unit and the surface course that permeates water that supreme set gradually down, the flattening layer be provided with be used for with the flattening subassembly of flattening layer flattening, the surface course below of permeating water is provided with water guide spare, water guide spare run through in basic unit, bed course, flattening layer and plain soil layer. This application has the effect that improves road structure stability.

Description

Municipal engineering road structure and construction method thereof

Technical Field

The application relates to the field of municipal engineering, in particular to a municipal engineering road structure and a construction method thereof.

Background

The municipal engineering refers to municipal infrastructure construction engineering, and various buildings, structures, equipment and the like for building paid or unpaid public products and services for residents based on government responsibility and obligation. Wherein the town road supplies transportation and pedestrian to use in the city, the resident life of being convenient for, work and cultural entertainment activity, therefore the town road has important effect. Road design needs to be based on local soil quality and comprehensively considers the performance to be achieved by the road. In the design of a road, a plain soil layer is a soil layer at the lowest part of the road, namely an original soil layer, the plain soil is a foundation of road engineering, the strength and the stability of the plain soil directly influence the service life and the quality of the road surface, for areas with low strength and low stability of the plain soil, particularly areas with high content of powdery plain soil, the plain soil layer is used as the foundation of the road, when the road bears high pressure, the pressure is transmitted to the plain soil layer through the road, the plain soil layer generates different stresses in each part due to multiple structures, the plain soil layer can sink or squeeze, the stress of the plain soil layer between the road layers above is uneven, the road is likely to crack or break, and the road structure is unstable.

In view of the above-mentioned related art, the inventors have considered that there is a defect that the road structure is unstable in an area where the property of the soil is low.

Disclosure of Invention

In order to stabilize the road structure, the application provides a municipal engineering road structure and a construction method thereof.

The municipal engineering road structure and the construction method thereof adopt the following technical scheme:

in a first aspect, the application provides a municipal works road structure, adopts following technical scheme:

the utility model provides a municipal works road structure, includes by plain soil layer, flattening layer, bed course, basic unit and the surface course that permeates water that supreme set gradually down, the flattening layer be provided with be used for with the flattening subassembly of flattening layer flattening, the surface course below of permeating water is provided with water guide spare, water guide spare run through in basic unit, bed course, flattening layer and plain soil layer.

Through adopting above-mentioned technical scheme, by setting gradually plain soil layer, flattening layer, bed course, basic unit and the surface course that permeates water from bottom to top, set up the flattening subassembly in the flattening layer in order to carry out the flattening to the flattening layer, when the road pressurized and produce stress, pressure conducts to plain soil layer through the road, plain soil layer produces different stress at each part owing to have multiple structure, the condition that plain soil layer can appear sinking or crowded and concoct, the flattening layer bottom then can follow plain soil layer and produce corresponding change. Carry out the flattening by the flattening subassembly to the flattening layer this moment so that the flattening layer keeps the more smooth state in top, make the flattening layer keep comparatively even supporting role to the bed course, basic unit and the surface course that permeates water at top from this, reduce the phenomenon that crack or fault appear in the road, improve the stability of road.

Preferably, the screed is constructed using gravel and the screed assembly includes a reinforcing mesh distributed throughout the screed and a vibration motor for driving the reinforcing mesh to vibrate.

Through adopting above-mentioned technical scheme, the leveling layer is laid by the grit and forms for the leveling layer can produce better reply effect with the removal of grit self when the plain soil layer receives sinking or squeezing that too big pressure produced. The leveling component comprises a steel bar network distributed all over the leveling layer and a vibration motor for driving the steel bars to vibrate, and when the leveling layer is leveled, the vibration motor drives the steel bar network to vibrate, so that gravels of the leveling layer have energy of movement, and tend to be uniformly distributed at the top, and therefore, the leveling of the leveling layer by the leveling component is realized.

Preferably, the steel bar network comprises longitudinal bars consistent with the length direction of the road and transverse bars vertical to the longitudinal bars, and the longitudinal bars and the transverse bars are mutually jointed and fixed.

Through adopting above-mentioned technical scheme, indulge the muscle and violently muscle mutually perpendicular and handing-over are fixed, when vibrating motor orders about the vibration of steel bar network, vibration energy is indulging each position of muscle in order to reach the screed on muscle and the horizontal muscle for vibration energy is more even in the distribution on the screed, and then makes the gravel motion on screed order about more stably, and is more stable to the flattening effect on screed promptly.

Preferably, the joint of the transverse rib and the longitudinal rib is fixedly provided with a vertical rib perpendicular to the transverse rib and the longitudinal rib.

Through adopting above-mentioned technical scheme, at the fixed perpendicular muscle that sets up in handing-over department of horizontal muscle and vertical muscle, when vibrating motor orders about steel bar network and vibrates, perpendicular muscle is with vibration energy to the upper end and the lower extreme conduction of leveling layer, vibration energy conduction to the bottom of leveling layer makes the gravel of leveling layer bottom more correspond the condition that plain soil layer sinks or extrudes and produce the motion so that leveling layer bottom surface and plain soil layer top surface keep the laminating state, and then make the stress of leveling layer bottom more even. When vibration energy is conducted to the top of the leveling layer by the vertical ribs, gravel at the top of the leveling layer moves more actively, so that stress between the leveling layer and the cushion layer is more uniform, and the possibility of cracks or faults is reduced.

Preferably, the water guide piece is columnar, the water guide piece is provided with an inner cavity, and the side wall of the water guide piece is provided with a wall hole communicated with the inner cavity.

Through adopting above-mentioned technical scheme, the inner chamber has been seted up to the water guide piece, and the wall hole is seted up to the roof, lateral wall and the diapire of water guide piece, the water guide piece through the inner chamber of water guide piece runs through in basic unit, bed course, leveling layer and plain soil layer, makes the water guide piece can direct guide downwards to the plain soil layer the rainwater of the surface course that permeates water from this in, reduces the rainwater volume of permeating to the plain soil layer from the leveling layer, reduces the contact surface of leveling layer and plain soil layer and receives the rainwater influence and produce the condition of sinking.

Preferably, the inner cavity of the water guide member is filled with a water guide material.

Through adopting above-mentioned technical scheme, fill the diversion material in the inner chamber of water guide spare, the diversion material is the rainwater of the surface course that will permeate water and is guided downwards for the water guide spare has better guide effect to the rainwater of the surface course that permeates water, through selecting for use different diversion materials, for example select for use the sponge can also make the water guide spare have water-retaining effect, reduces the condition of rainfall area road surface drought fracture at the end of long-term high temperature.

Preferably, the cushion layer is laid by adopting compact concrete.

By adopting the technical scheme, the cushion layer is paved by adopting compact concrete, and the leveling layer and the upper layer structure of the road are separated by the compact concrete, so that the road has more stable bearing performance.

Preferably, the basic unit adopts soil cement to lay, the basic unit both sides are provided with separation portion, separation portion top surface slope sets up, separation portion top surface reduces to the basic unit middle part by the basic unit side gradually.

Through adopting above-mentioned technical scheme, the basic unit adopts soil cement to lay, the basic unit both sides set up the separation portion of slope, separation portion top surface reduces to the basic unit middle part by the basic unit side gradually, make separation portion have certain guide effect to the rainwater from this, separation portion can lead the rainwater of the surface course that permeates water to the middle part, reduce the rainwater and cause the condition of harmful effects to road layer structure both sides by road both sides infiltration, make the rainwater mainly receive the guide of water guide spare and the infiltration, improve road structure's waterproof performance.

Preferably, the permeable surface layer is laid by permeable concrete.

By adopting the technical scheme, the pervious concrete has better water permeability and bearing performance, so that the road has excellent bearing capacity and rainwater on the pervious surface layer can effectively infiltrate downwards to seep downwards from the water guide pipe.

In a second aspect, the application provides a construction method of a municipal engineering road structure, which adopts the following technical scheme:

a construction method of a municipal engineering road structure comprises the following steps:

s1, designing a construction drawing;

s2, digging a pit;

s3, arranging a leveling component;

s4, setting a water guide piece;

s5, paving a leveling layer;

s6, paving a cushion layer;

s7, laying a base layer;

s8, paving a water permeable surface layer;

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

1. the leveling component is used for leveling the leveling layer so as to keep the leveling layer in a relatively flat state at the top, so that the leveling layer can keep relatively uniform supporting effect on a cushion layer, a base layer and a permeable surface layer at the top, the phenomenon of cracks or faults on a road is reduced, and the stability of the road is improved;

2. the water guide piece penetrating through the base layer, the cushion layer, the leveling layer and the plain soil layer directly guides rainwater of the water permeable surface layer downwards into the plain soil layer, so that the condition that the contact surface of the leveling layer and the plain soil layer sinks due to the influence of rainwater infiltration is reduced;

3. the water diversion material in the inner cavity of the water diversion member has a certain water retention effect, and the condition of road surface drought cracking in a long-term high-temperature bottom rainfall area is reduced.

Drawings

Fig. 1 is an overall structural view of an embodiment of the present application.

Fig. 2 is a partial structural view of an embodiment of the present application.

Figure 3 is a structural view of a flattening assembly in an embodiment of the present application.

Fig. 4 is a structural view of a water guide in an embodiment of the present application.

Description of reference numerals: 1. a pit; 2. a plain soil layer; 3. a leveling layer; 4. a cushion layer; 5. a base layer; 51. a blocking section; 6. a water permeable facing; 7. a water guide; 71. a wall hole; 8. a leveling assembly; 81. a network of steel reinforcement; 811. longitudinal ribs; 812. transverse ribs; 813. erecting ribs; 82. a vibration motor.

Detailed Description

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

The embodiment of the application discloses a municipal engineering road structure, and referring to fig. 1 and fig. 2, the municipal engineering road structure comprises a plain soil layer 2, a leveling layer 3, a cushion layer 4, a base layer 5 and a water permeable surface layer 6 which are sequentially arranged from bottom to top, wherein the top surface of the plain soil layer 2 is a flat surface, the leveling layer 3 is paved by gravels, the top surface and the bottom surface of the leveling layer 3 are flat surfaces, and the bottom surface of the leveling layer 3 is attached to the top surface of the plain soil layer 2; the cushion layer 4 is laid by adopting compact concrete, the top surface and the bottom surface of the cushion layer 4 are both flat surfaces, and the bottom surface of the cushion layer 4 is attached to the top surface of the leveling layer 3; the base layer 5 is paved by cement soil, the bottom surface of the base layer 5 is a flat surface, the bottom surface of the base layer 5 is attached to the top surface of the leveling layer 3, the blocking parts 51 are arranged on two sides of the base layer 5, the top surfaces of the blocking parts 51 are obliquely arranged, and the top surfaces of the blocking parts 51 are gradually reduced from one side close to the side edge of the base layer 5 to one side close to the middle part of the base layer 5; face layer 6 permeates water adopts the concrete to lay that permeates water, and the bottom surface of face layer 6 permeates water is laminated in the top surface setting of basic unit 5, and the top surface of face layer 6 permeates water is smooth surface. The leveling layer 3 is provided with a leveling component 8, and the plain soil layer 2, the leveling layer 3, the cushion layer 4 and the base layer 5 are provided with a water guide piece 7 in a penetrating way.

Referring to fig. 2, leveling component 8 sets up in pot hole 1, leveling component 8 includes steel bar network 81 and vibrating motor 82, steel bar network 81 includes a plurality of muscle 811 of indulging, a plurality of horizontal muscle 812 and a plurality of perpendicular muscle 813, the length direction who indulges muscle 811 sets up with the length direction of pot hole 1 is unanimous, it extends to the other end to indulge muscle 811 by the one end connection of pot hole 1 length direction, all indulge muscle 811 and be parallel to each other and lie in same horizontal plane, a plurality of width direction equidistance distribution along pot hole 1 of muscle 811 are indulged. Horizontal muscle 812 is perpendicular to indulges muscle 811 and sets up, and all horizontal muscle 812 are parallel to each other and lie in same horizontal plane, and a plurality of horizontal muscle 812 distribute along 1 length direction equidistance of pot head, horizontal muscle 812 with indulge muscle 811 handing-over each other and through welded mode reciprocal anchorage. The vertical ribs 813 are arranged at the joint of the transverse ribs 812 and the longitudinal ribs 811, each joint of the transverse ribs 812 and the longitudinal ribs 811 is provided with one vertical rib 813, the vertical ribs 813 are perpendicular to the horizontal planes of the transverse ribs 812 and the longitudinal ribs 811, and the vertical ribs 813 are fixed on the horizontal planes of the longitudinal ribs 811 and the transverse ribs 812 through welding. A group of vibration motors 82 are respectively arranged on two sides of the pit 1, and each group of vibration motors 82 comprises a plurality of vibration motors 82 which are arranged at equal intervals along the length direction of the pit 1. In the same group of vibration motors 82, the distance between two adjacent vibration motors 82 is an integral multiple of the distance between two adjacent transverse ribs 812, the vibration motors 82 have vibration output ends, and the vibration output ends of the vibration motors 82 are fixedly connected with the transverse ribs 812.

Referring to fig. 3 and 4, the water guide member 7 is columnar, the water guide member 7 is vertically disposed, the water guide member 7 penetrates through the base layer 5, the cushion layer 4, the leveling layer 3 and the plain soil layer 2, the top of the water guide member 7 and the top surface of the base layer 5 are located at the same horizontal plane, and the bottom of the water guide member 7 is located in the plain soil layer 2, that is, the water guide member 7 penetrates through the base layer 5, the cushion layer 4 and the leveling layer 3 and is inserted into the plain soil layer 2. The water guide members 7 are arranged in number, the water guide members 7 are arranged in the length direction of the pit 1 at equal intervals, and the distance between the adjacent water guide members 7 is positive integral multiple of the distance between the adjacent transverse ribs 812. The water guide member 7 is provided with an inner cavity, the top wall, the bottom wall and the side wall of the water guide member 7 are provided with a plurality of wall holes 71, and the wall holes 71 are formed on the outer surface of the water guide member 7 and are communicated with the inner cavity of the water guide member 7. The inner cavity of the water guide member 7 is filled with a water guide material which can be sponge or cotton and the like.

The embodiment of the application also discloses a construction method of the municipal engineering road structure, which comprises the following steps:

s1, designing a construction drawing:

designing the length and width of a road according to the soil quality of a plain soil layer 2 on a construction site and the performance requirements of the road, simultaneously measuring the thicknesses of a leveling layer 3, a cushion layer 4, a base layer 5 and a permeable surface layer 6 and drawing a construction drawing;

s2, digging a pit 1:

digging a pit 1 according to the length and width of a road designed by a construction drawing and the thickness of a leveling layer 3, rolling and leveling the bottom of the pit 1, wherein the length of the pit 1 is equal to the length of the road, the width of the pit 1 is equal to the width of the road, and the depth of the pit 1 is equal to the thickness of the leveling layer 3;

s3, setting a leveling component 8:

placing a reinforcing mesh consisting of longitudinal bars 811, transverse bars 812 and vertical bars 813 in the pit 1, placing vibration motors 82 at two sides of the pit 1, and fixedly connecting vibration output ends of the vibration motors 82 with the reinforcing mesh 81;

s4, setting the water guide 7:

the water guide pieces 7 are driven into the plain soil layer 2 below the pit slot 1 in an equidistant arrangement mode, and the height of the water guide pieces 7 exposed above the bottom of the pit slot 1 is equal to the sum of the thickness of the leveling layer 3, the thickness of the cushion layer 4 and the thickness of the base layer 5 designed by a construction drawing;

s5, paving the leveling layer 3:

laying a smoothening layer 3 with gravel in the pit 1 and filling the pit 1 and smoothening the top surface of the smoothening layer 3;

s6, paving the cushion layer 4:

according to the thickness requirement of a cushion layer 4 designed by a construction drawing, a cushion layer 4 is laid on the leveling layer 3 by concrete, the top surface of the cushion layer 4 is leveled, and then the cushion layer 4 laid by the concrete is maintained until the strength of the concrete cushion layer 4 reaches more than 40% of the design strength of the cushion layer 4;

s7, laying a base layer 5:

paving a base layer 5 on the cushion layer 4 by using cement soil according to the thickness requirement of the base layer 5 designed by a construction drawing, arranging barrier parts 51 at two sides of the base layer 5, and then maintaining the base layer 5 paved by using the cement soil until the strength of the cement soil base layer 5 reaches more than 40% of the designed strength of the base layer 5;

s8, paving a water permeable surface layer 6:

paving a permeable surface layer 6 on the base layer 5 by using permeable concrete according to the thickness requirement of the permeable surface layer 6 designed by the construction drawing and leveling the top surface of the permeable surface layer 6, and then curing the permeable surface layer 6 paved by the permeable concrete until the strength of the permeable surface layer 6 of the permeable concrete reaches more than 80% of the designed strength of the permeable surface layer 6.

The implementation principle of the municipal engineering road structure and the construction method thereof in the embodiment of the application is as follows: by the plain soil layer 2 that supreme set gradually down, the flattening layer 3, the bed course 4, basic unit 5 and the surface course 6 that permeates water make the road have better level setting, set up flattening subassembly 8 in flattening layer 3 in order to carry out the flattening to flattening layer 3, when the road pressurized makes plain soil layer 2 appear sinking or crowded the condition of converting, in the flattening layer 3 end, vibrating motor 82 orders about the vibration of steel bar network 81, make the gravel of flattening layer 3 have the energy of motion, the gravel tends towards even distribution, realize flattening subassembly 8 to flattening layer 3's flattening from this, and then make flattening layer 3 keep comparatively even supporting role to the bed course 4 at top, basic unit 5 and the surface course 6 that permeates water, reduce the phenomenon that crack or fault appear in the road, improve the stability of road.

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. A municipal works road structure which characterized in that: the water-permeable soil-leveling device comprises a plain soil layer (2), a leveling layer (3), a cushion layer (4), a base layer (5) and a water-permeable surface layer (6) which are sequentially arranged from bottom to top, wherein the leveling layer (3) is provided with a leveling component (8) for leveling the leveling layer (3), a water guide piece (7) is arranged below the water-permeable surface layer (6), and the water guide piece (7) penetrates through the base layer (5), the cushion layer (4), the leveling layer (3) and the plain soil layer (2); the screed (3) is gravel-laid, and the screed assembly (8) includes a rebar network (81) extending over the screed (3) and a vibration motor (82) for driving the rebar network (81) into vibration.

2. The municipal engineering road structure according to claim 1, wherein: the steel bar network (81) comprises longitudinal bars (811) consistent with the length direction of a road and transverse bars (812) horizontally perpendicular to the longitudinal bars (811), and the longitudinal bars (811) and the transverse bars (812) are mutually connected and fixed.

3. The municipal engineering road structure according to claim 2, wherein: the steel bar network (81) further comprises vertical bars (813), and the vertical bars (813) are arranged at the joint of the transverse bars (812) and the longitudinal bars (811).

4. The municipal engineering road structure according to claim 1, wherein: the water guide piece (7) is columnar, the water guide piece (7) is provided with an inner cavity, and wall holes (71) communicated with the inner cavity are formed in the top wall, the bottom wall and the side wall of the water guide piece (7).

5. The municipal engineering road structure according to claim 4, wherein: the inner cavity of the water guide piece (7) is filled with water guide materials.

6. The municipal engineering road structure according to claim 1, wherein: the cushion layer (4) is laid by adopting dense concrete.

7. The municipal engineering road structure according to claim 1, wherein: basic unit (5) adopt soil cement to lay, basic unit (5) both sides are provided with separation portion (51), separation portion (51) top surface slope sets up, separation portion (51) top surface is reduced to basic unit (5) middle part by basic unit (5) side gradually.

8. The municipal engineering road structure according to claim 1, wherein: the permeable surface layer (6) is laid by permeable concrete.

9. A method of constructing a civil engineering road structure according to claim 1, characterised in that it comprises the steps of:

s1, designing a construction drawing;

s2, digging a pit (1);

s3, arranging a leveling component (8);

s4, arranging a water guide piece (7);

s5, paving a leveling layer (3);

s6, paving a cushion layer (4);

s7, laying a base layer (5);

and S8, paving a water permeable surface layer (6).