CN213925694U - Temporary road structure - Google Patents
Temporary road structure Download PDFInfo
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- CN213925694U CN213925694U CN202022871926.1U CN202022871926U CN213925694U CN 213925694 U CN213925694 U CN 213925694U CN 202022871926 U CN202022871926 U CN 202022871926U CN 213925694 U CN213925694 U CN 213925694U
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Abstract
The utility model relates to a temporary road structure, which is sequentially paved with a first anti-seepage film layer, a bentonite waterproof cushion layer and a road bed body from bottom to top; the first anti-seepage film layer is laid above the original anti-seepage film layer of the garbage pile body; the top end of the road base body is provided with a road surface; the temporary road structure can effectively prevent the anti-seepage film from being punctured so as to avoid the leakage of landfill gas and percolate in the garbage pile body and influence on the overall stability of the garbage pile body; meanwhile, the pavement is smooth, the capacity of vertical load transferred downwards from the pavement can be borne during the temporary road period, and the load is effectively diffused, so that the garbage pile body cannot sink or deform. The road base and the road surface are a hybrid structure including earth and crushed stone.
Description
Technical Field
The utility model relates to a traffic road construction technical field, concretely relates to temporary road structure.
Background
The condition that the garbage dump body slides or the mixed flow of rain and sewage pollutes the environment is caused by the fact that rainwater cannot be discharged when raining due to aging of matched equipment or damage of percolate pipelines in the original flood discharge tunnel can often appear in the urban refuse landfill site. When a new flood drainage tunnel is built or field maintenance is carried out, in order to conveniently convey personnel, materials and equipment required by field construction, a temporary road needs to be newly built on a garbage pile body impermeable membrane (the impermeable membrane is an HDPE impermeable membrane laid on the surface of the garbage pile body).
At present, a temporary road is newly built on an impermeable membrane of a garbage pile body, and the following two modes are generally adopted: the other is that a large piece of rubble is directly paved on the anti-seepage film of the garbage pile body, and a layer of broken stone is paved on the top of the anti-seepage film to form a temporary road structure. The temporary road structure is convenient to construct, but in the process of filling and rolling the rubble, because the edges and corners of the rubble are irregular, an anti-seepage film is very easy to pierce, so that landfill gas and percolate in a garbage pile are leaked, the overall stability of the garbage pile is influenced, and great safety risks and potential environmental pollution hazards exist. The other method is to directly lay a steel plate roadbed box on the impermeable membrane of the garbage pile body. The temporary road structure is convenient to construct, but cannot be leveled on a large scale due to poor flatness of the surface of the garbage pile, and after a steel plate roadbed box is laid, vehicles are difficult to drive, so that traffic safety accidents are easily caused. Meanwhile, the self bearing capacity of the garbage pile body is extremely low, the dynamic load generated by repeatedly rolling the vehicle is borne for a long time, the phenomena of uneven settlement and deformation easily occur, the anti-seepage film is easily pierced by the steel plate roadbed box made of rigid materials in the process, so that the landfill gas and the percolate in the garbage pile body are leaked, the integral stability of the garbage pile body is influenced, and certain safety risk and potential environmental pollution hazard exist.
Disclosure of Invention
The utility model aims to provide a: the temporary road structure is provided aiming at the problems that the seepage-proof membrane is easy to puncture, the pavement smoothness is poor or the dynamic load generated by repeatedly rolling the vehicle is borne for a long time in the prior art when a temporary road is newly built on the seepage-proof membrane of the garbage pile body, so that the garbage pile body is unevenly settled and deformed. The temporary road structure can effectively prevent the anti-seepage film from being punctured so as to avoid the leakage of landfill gas and percolate in the garbage pile body and influence on the overall stability of the garbage pile body; meanwhile, the pavement is smooth, the capacity of vertical load transferred downwards from the pavement can be borne during the temporary road period, and the load is effectively diffused, so that the garbage pile body cannot sink or deform.
In order to realize the purpose, the utility model discloses a technical scheme be:
a temporary road structure is sequentially paved with a first anti-seepage film layer, a bentonite waterproof cushion layer and a roadbed body from bottom to top;
the first anti-seepage film layer is laid above the original anti-seepage film layer of the garbage pile body;
the top end of the road base body is provided with a road surface;
the road base and the road surface are a hybrid structure including earth and crushed stone.
The utility model provides a temporary road structure, which is sequentially paved with a first anti-seepage film layer, a bentonite waterproof cushion layer and a roadbed body from the bottom to the top from the original anti-seepage film layer of a garbage pile body; the road base and the road surface are a hybrid structure including earth and crushed stone. The temporary road structure can effectively prevent the original anti-seepage film from being punctured so as to avoid the leakage of landfill gas and percolate in the garbage pile body and influence on the overall stability of the garbage pile body; meanwhile, the pavement is smooth, the capacity of vertical load transferred downwards from the pavement can be borne during the temporary road period, and the load is effectively diffused, so that the garbage pile body cannot sink or deform. Wherein, first prevention of seepage rete is the prevention of seepage membrane of establishing newly on original prevention of seepage rete, and first prevention of seepage rete can play backup effect to original prevention of seepage membrane, prevents that original prevention of seepage membrane from becoming invalid in the middle of temporary road construction, operation process, and rubbish pile body overall stability in the below from influencing, simultaneously, the utility model discloses a road bed body is the mixed structure of earth and rubble, and the setting of the waterproof bed course of bentonite in addition plays the auxiliary protection effect between road base member and the prevention of seepage rete, and earth and rubble mixed structure's road bed road surface planarization is good on the one hand, and first prevention of seepage membrane layer upon layer, the waterproof pad of bentonite layer upon layer and road base member's synergism can reduce the ability of the perpendicular load of road surface downward transmission, effectively with the load diffusion, has avoided sinking or the deformation of rubbish pile body. On the other hand, the safety guarantee of the original anti-seepage membrane can be provided, the balance that accumulated water in the temporary road does not leak and percolate in the garbage pile body does not leak is ensured, and the influence on the overall stability of the garbage pile body and the hidden danger of environmental pollution are reduced to the minimum practically.
As the preferred proposal of the utility model, the first anti-seepage film layer is a structural member formed by splicing a plurality of anti-seepage films into a whole. Furthermore, two adjacent impermeable films are connected by adopting hot melting welding.
As the preferred scheme of the utility model, the thickness of first prevention of seepage rete is 1.0mm ~ 2 mm. The first anti-seepage film layer is an anti-seepage film newly arranged on the original anti-seepage film layer, the first anti-seepage film layer can play a backup role on the original anti-seepage film, and the reasonable thickness can prevent the original anti-seepage film from losing efficacy in the processes of temporary road construction and operation and influencing the overall stability of the garbage pile body below
As the preferred proposal of the utility model, the thickness of the bentonite waterproof cushion layer is more than or equal to 6 mm. The utility model discloses a bentonite plays the effect of holding and opening down, not only will play the effect of protection prevention of seepage rete, still will be used for bearing the bearing pressure of way base member transmission, and thickness is less than 6mm, and is not enough or the load diffusion dynamics is not enough to holistic bearing capacity, can appear sinking or the deformation of rubbish heap body. Preferably, the thickness of the bentonite waterproof cushion layer is 6-8 mm.
As the preferable proposal of the utility model, the permeability coefficient of the bentonite waterproof cushion layer is less than or equal to 5 multiplied by 10-9cm/s, tensile strength of more than or equal to 800N/10cm and peel strength of more than or equal to 65N/10 cm. The bentonite waterproof cushion layer not only plays a role in assisting in protecting the original impermeable membrane, but also has a certain waterproof performance and a load dispersing function.
As the preferred scheme of the utility model, the waterproof bed course of bentonite is by a plurality of waterproof bed courses of bentonite horizontal direction splice integrative structure. Furthermore, two adjacent bentonite waterproof cushion layers are adhered by glue.
As the preferred scheme of the utility model, the road base member is the italic structure along the side slope of road extending direction's both sides. The design of the italic structure can drain water efficiently.
As the utility model discloses an optimal scheme, the second prevention of seepage rete has been laid along road extending direction's both sides slope to the way base member, the top and the road surface fixed connection of second prevention of seepage rete, the bottom and the original prevention of seepage rete welded fastening of rubbish heap body of second prevention of seepage rete are connected. The second anti-seepage film layer carries out integral sealing package on the temporary road structure, so that the temporary road side slope can be effectively prevented from being washed away by heavy rainfall, cracking and sludge pumping are caused, the integral stability of the temporary road structure is effectively guaranteed, and the potential environmental pollution hazard is reduced.
As the preferred scheme of the utility model, the bottom welding point of second prevention of seepage rete with the interval of blocking is 1m at least. The fixing mode can reserve a certain pulling and stretching space for the second anti-seepage film layer of the road, and prevent the second anti-seepage film layer from being pulled and damaged when being impacted by external force because the second anti-seepage film layer is too tightly attached to a temporary road side slope.
As the preferred scheme of the utility model, a plurality of sand bag subassemblies are hung along road extending direction on the surface of second prevention of seepage rete. Furthermore, the distance between two adjacent sand bag assemblies is 1-2 m. Furthermore, the sandbag assembly comprises a plurality of sandbags which are connected at intervals. Further, the distance between two adjacent sandbags is 1-2 m. Furthermore, two adjacent sandbags are fixedly connected through a rope body.
As the preferred scheme of the utility model, the sand bag with looks butt between the second prevention of seepage rete. A plurality of sand bag can play the effect of fixed second prevention of seepage rete, and the later stage of being convenient for is dismantled.
As the utility model discloses a preferred scheme, the road base member is provided with the toe platform along road extending direction's both sides toe department.
As the preferred scheme of the utility model, the side of toe platform is provided with blocks. Further, the barrier is a bagged structure body consisting of graded broken stones. The blocking can effectively prevent the temporary road from being internally accumulated and seeped to wash the anti-seepage structure on the garbage pile body, and the road toe platform is reinforced by back pressure.
As the preferable proposal of the utility model, the particle size of the broken stone is not more than 5cm in the blocking.
As the preferred scheme of the utility model, the thickness of second prevention of seepage rete is 1mm ~ 2 mm.
As the preferable scheme of the utility model, the particle size of the gravel is 5 cm-15 cm in the roadbed and the pavement. The impermeable membrane covered on the top of the garbage heap is a key protection object, broken stones with larger particle sizes are adopted, risks are likely to be caused to the impermeable membrane, risk effects caused by rough and irregular edges and corners on the surfaces of the broken stones with large particle sizes are amplified, the edges and corners are easy to scratch and pierce the geomembrane in the construction process, and the consequences are unreasonable; in addition, the broken stone with large particle size is easy to cause the overhead of a rolling wheel of the road roller in the construction process, so that the compaction of intermediate soil is not facilitated (the broken stone and the soil of a mud broken stone road are rolled together), and the hidden quality trouble is left. Preferably, the particle size of the crushed stone is 5 cm-10 cm.
As the preferable scheme of the utility model, the weight ratio of the gravels to the soil in the roadbed and the pavement is 1-1.5: 1.
As a preferred embodiment of the present invention, the construction method of the temporary road structure includes the following steps:
step 1, construction lofting is carried out according to the road plane trend, and the road construction range is marked.
And 2, paving a first anti-seepage film layer on the original anti-seepage film of the garbage pile body.
And 3, paving a bentonite waterproof cushion layer on the first impermeable film layer obtained in the step 2.
And 4, filling roadbed materials on the bentonite waterproof cushion layer obtained in the step 3 to form a road matrix, and constructing a road surface on the top surface of the road matrix to finish construction.
The temporary road has the advantages of simple structure, simple construction method, high economic rationality and good construction safety and environmental protection property under the special environment of the urban refuse landfill. After the temporary road is used, the temporary road is convenient to dismantle and restore to the original appearance of the refuse landfill reservoir area.
Further, in the step 4, the road matrix is filled in a layered filling and layered compacting mode. The layered filling and the layered compaction can increase the practicability and the stability of the roadbed.
Furthermore, the thickness of each layer of filling is less than or equal to 35 cm. The stability of the roadbed can be affected by the overlarge thickness. Preferably, the thickness of each layer of filling is 20 cm-35 cm.
Furthermore, the compactness of each layer is more than or equal to 90 percent.
Further, in the step 4, the road base material is mainly prepared by mixing crushed stone and soil. Further, the weight ratio of the crushed stone to the soil is 1-1.5: 1. Furthermore, the particle size of the crushed stone is 5-15 cm.
Further, step 4 is followed by a step 5: laying a layer of second anti-seepage film layer on the side slopes on the two sides of the roadbed body along the extending direction of the road, wherein one end of the second anti-seepage film layer is bent and then embedded below the road surface for anchoring, and the other end of the second anti-seepage film layer is welded and fixed with the original anti-seepage film.
Further, step 5 is followed by step 6: and installing a sand bag assembly at intervals of 1-2 m along the extending direction of the road at the outer side of the second anti-seepage film layer, wherein the distance between every two adjacent sand bags in each sand bag assembly is 1-2 m, and the sand bag assemblies are bound and fixed through nylon ropes.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides a temporary road structure, which is sequentially paved with a first impermeable membrane layer, a bentonite waterproof pad layer and a road base body from bottom to top from the original impermeable membrane layer of a garbage pile body; the road base and the road surface are a hybrid structure including earth and crushed stone. The temporary road structure can effectively prevent the anti-seepage film from being punctured so as to avoid the leakage of landfill gas and percolate in the garbage pile body and influence on the overall stability of the garbage pile body; meanwhile, the pavement is smooth, the capacity of vertical load transferred downwards from the pavement can be borne during the temporary road period, and the load is effectively diffused, so that the garbage pile body cannot sink or deform. Wherein, first prevention of seepage membrane layer upon layer is the prevention of seepage membrane of establishing newly on original prevention of seepage rete, and first prevention of seepage membrane layer upon layer can play backup effect to original prevention of seepage membrane, prevents that original prevention of seepage membrane from becoming invalid in the middle of temporary road construction, operation process, and rubbish pile body overall stability in the below from influencing, simultaneously, the utility model discloses a road bed body is the mixed structure of earth and rubble, and the waterproof pad layer upon layer that sets up of bentonite in addition plays the auxiliary protection effect between road bed body and the prevention of seepage rete, and earth and rubble mixed structure's road bed road surface smoothness is good on the one hand, and first prevention of seepage membrane layer upon layer, the waterproof pad layer upon layer of bentonite cooperate with the road bed body, can reduce the ability of the perpendicular load of road surface downward transmission, effectively with the load diffusion, has avoided sinking or the deformation of rubbish pile body. On the other hand, the safety guarantee of the original anti-seepage membrane can be provided, the balance that accumulated water in the temporary road does not leak and percolate in the garbage pile body does not leak is ensured, and the influence on the overall stability of the garbage pile body and the hidden danger of environmental pollution are reduced to the minimum practically.
2. The utility model provides an interim road structure has set up the second prevention of seepage membrane layer upon layer on the slope on road matrix both sides along road extending direction, this prevention of seepage rete one end is fixed with the road surface, the other end is fixed with original prevention of seepage rete, the second prevention of seepage membrane layer has carried out holistic sealed parcel with interim road structure layer upon layer, can prevent effectively that heavy rainfall from to the washing away of interim road side slope, make it appear the phenomenon of fracture, purt mud, effectively guarantee interim road structure's overall stability, the environmental pollution hidden danger has been reduced.
3. The utility model provides an interim road structure, simple structure, construction process is simple, and economic rationality is high, and safety, feature of environmental protection are all good under municipal refuse landfill special environment construction. After the temporary road is used, the temporary road is convenient to dismantle and restore to the original appearance of the refuse landfill reservoir area.
Drawings
Fig. 1 is a schematic view of a temporary road structure according to embodiment 1.
Fig. 2 is a schematic side slope view of the temporary road structure of the embodiment 1 along one side of the road extending direction.
Icon: 1-garbage dump; 2-original impermeable film layer; 3-a first barrier film layer; 4-a bentonite waterproof cushion layer; a 5-way substrate; 51-a second barrier film layer; 52-sandbag; 53-toe platform; 531-blocking; 6-road surface.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
After running and accumulating for more than twenty years, supporting facilities in a certain urban refuse landfill are seriously aged, particularly, the water passing section of the original flood discharge tunnel is insufficient, so that rainwater on an HDPE (high-density polyethylene) impermeable film (hereinafter referred to as an impermeable film) laid on the surface of a refuse pile in a refuse landfill reservoir area cannot be discharged in time when heavy rainfall occurs, and the rainwater is infiltrated into the refuse pile to cause the refuse pile to slide; meanwhile, a percolate pipeline is arranged in the original flood drainage tunnel and is subjected to rainwater washing for a long time, so that the pipeline is easy to damage, and the pipeline cannot be maintained in time during rainfall, so that the environment is polluted by rainwater and sewage mixed flow. In order to realize the distribution of rain and sewage and ensure the safety of the landfill reservoir area, a flood discharge tunnel needs to be newly built, and the tunnel is specially used for discharging rainwater in the landfill reservoir area.
Because newly-built flood discharge tunnel starting point is located landfill storehouse area south side mountain slope foot department, the existing temporary road in scene does not extend to tunnel construction area, for transporting required personnel, material, the equipment of site operation, need newly-built partial temporary road on rubbish heap body prevention of seepage membrane. The newly-built temporary road is about 110m long, the maximum width is 6m, and the maximum filling height is 3 m.
The newly-built temporary road is shown in fig. 1.
A temporary road structure is sequentially paved with a first anti-seepage film layer 3 with the thickness of 2mm, a bentonite waterproof cushion layer 4, a roadbed body 5 and a road surface 6 from bottom to top; the first anti-seepage film layer 3 is laid above the original anti-seepage film layer 2 of the garbage pile body 1; the roadbed 5 and the road surface 6 are a mixed structure including earth and crushed stone; the particle size of the broken stone is 10cm +/-1 cm.
The side slopes on two sides of the road matrix 5 along the extending direction of the road are in an inclined structure, and a second anti-seepage film layer 51 with the thickness of 2mm is paved on the side slopes; one end of the top of the second impermeable film layer 51 is fixedly connected with the road surface 6 through an anchor rod, and one end of the bottom of the second impermeable film layer 51 is fixedly connected with the original impermeable film 2 of the garbage pile body 1 in a welding mode.
As shown in fig. 2, a plurality of sand bag assemblies are hung on the surface of the second impermeable film layer 51 at intervals along the extending direction of the road. The distance between two adjacent sandbag assemblies is 2 m. The sandbag assembly includes a plurality of sandbags 52 connected at intervals. The distance between two adjacent sandbags 52 is 1 m. Two adjacent sandbags 52 are fixedly connected through a rope.
The sandbag 52 is abutted against the second barrier film layer 51.
The road structure is sequentially paved with a first impermeable membrane layer, a bentonite waterproof pad layer and a road matrix from bottom to top from the original impermeable membrane layer of the garbage pile body; the road base and the road surface are a hybrid structure including earth and crushed stone. The temporary road structure can effectively prevent the anti-seepage film from being punctured so as to avoid the leakage of landfill gas and percolate in the garbage pile body and influence on the overall stability of the garbage pile body; meanwhile, the pavement flatness is good, the pavement can bear the capability of vertical load transferred downwards during the temporary road period, and the load is effectively diffused, so that the garbage pile body cannot sink or deform.
Example 2
The construction method of the temporary road structure on the original impermeable membrane 2 of the garbage pile 1 in the embodiment 1 specifically comprises the following steps:
step A: construction lofting is carried out according to the planar trend of the road, and a dust spreading line is arranged on the original impermeable membrane 2 of the garbage pile body 1 to mark the construction range of the road.
And B: demolish the presser foot sand bag on original prevention of seepage membrane 2 surface on rubbish pile 1 in the construction scope, after demolising and accomplishing, lay a thick 2 mm's of a layer thickness first prevention of seepage rete 3 on the surface of original prevention of seepage membrane 2 newly, first prevention of seepage rete 2 is that polylith prevention of seepage membrane concatenation is in the same place, adopts the hot melt welded connection to connect into a whole between two adjacent prevention of seepage membranes, plays the backup effect to original prevention of seepage membrane, prevents that original prevention of seepage membrane from becoming invalid in the middle of temporary road construction, operation process, produces the influence to rubbish pile overall stability below.
And C: lay one deck bentonite waterproof backing layer 4 on the first prevention of seepage rete 3 that newly lay again on the surface, bentonite waterproof backing layer 4 is by the waterproof backing layer concatenation of polylith bentonite together, and two adjacent bentonite waterproof backing layers adopt special glue to adhere into a whole between one layer, play supplementary guard action to original prevention of seepage membrane and the prevention of seepage membrane of laying newly on its surface, further prevent that interim road construction or its inside ponding, infiltration from producing the influence to below rubbish heap body overall stability.
Step D: the newly laid bentonite waterproof cushion layer 4 is filled with a road matrix, the filled road matrix 5 adopts a mud-bonded gravel road bed (the mass ratio of 60 percent of gravel and 40 percent of soil are mixed, the particle size of the gravel is 10cm +/-1 cm), layered filling and layered compaction are carried out, the filling thickness of each layer is 20cm, and the compaction degree is more than 95 percent. When filling, the road is filled in layers to the height of 1m of the whole road, and then the road is respectively folded by 1m from filling sidelines at two sides of the road to the middle to be used as a toe platform 53.
Step E: and (3) continuously filling and compacting the roadbed 5 in layers from the inner side of the toe platform 53 according to the slope ratio of 1:1 until the top surface of the temporary road lane is level, wherein the top surface of the roadbed 5 is the road surface 6.
Step F: and a bagged graded broken stone barrier 531 is stacked outside the toe platform 53. The barrier 531 is 1m high and 1m wide, and bagged graded broken stones (the grain size of the broken stones is 3cm +/-1 cm) are stacked in a staggered mode from bottom to top according to the overlapping length of 20 cm. Prevent the temporary road from internally accumulating and seeping water to wash the anti-seepage structure on the garbage pile body, and carry out back pressure reinforcement on the road slope toe platform.
Step G: and laying a second anti-seepage film layer 51 with the thickness of 2mm on the side slopes on the two sides of the roadbed body 5. One end of the second impermeable film layer 51 is bent and then embedded below the road surface by 60cm for anchoring; the other end of the second impermeable film layer 51 is welded and fixed with the original impermeable film 2, and the distance between the welding point and the barrier 531 of the bagged graded macadam is 1.5 m. The fixing mode can reserve a certain pulling and stretching space for the second anti-seepage film layer 51, and prevent the second anti-seepage film layer from being pulled and damaged when being impacted by external force because the second anti-seepage film layer is too tightly attached to a temporary road side slope. And one fixing sandbag 52 is longitudinally arranged at intervals of 2m on the outer side of the second impermeable film layer 51, the distance between two adjacent sandbags 52 in each sandbag 52 is 1m, and the sandbags are bound and fixed through nylon ropes.
The utility model provides an interim road structure, simple structure, construction process is simple, and economic rationality is high, and safety, feature of environmental protection are all good under municipal refuse landfill special environment construction. After the temporary road is used, the temporary road is convenient to dismantle and restore to the original appearance of the refuse landfill reservoir area.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A temporary road structure is characterized in that a first anti-seepage film layer (3), a bentonite waterproof cushion layer (4) and a roadbed body (5) are sequentially paved from bottom to top;
the first anti-seepage film layer (3) is laid above the original anti-seepage film layer (2) of the garbage pile body (1);
the top end of the road base body (5) is provided with a road surface (6);
the road base (5) and the road surface (6) are of a mixed structure comprising earth and crushed stone.
2. Temporary road structure according to claim 1, characterised in that said first impermeable film layer (3) has a thickness comprised between 1.0mm and 2 mm.
3. Temporary road structure according to claim 1, characterised in that the thickness of the bentonite waterproofing backing (4) is greater than or equal to 6 mm.
4. Temporary road structure according to claim 1, characterised in that the bentonite waterproofing backing (4) has a permeability coefficient of ≤ 5 × 10-9cm/s, tensile strength of more than or equal to 800N/10cm and peel strength of more than or equal to 65N/10 cm.
5. Temporary road structure according to claim 1, characterized in that the crushed stones in the roadbed and the pavement (6) have a grain size of 5-15 cm.
6. A temporary road structure according to claim 1, characterised in that the weight ratio of said crushed stones to said soil is 1-1.5: 1.
7. The temporary road structure according to any one of claims 1-6, wherein the road base body (5) is provided with a second anti-seepage film layer (51) along the slopes on two sides of the road extending direction, the top of the second anti-seepage film layer (51) is fixedly connected with the road surface (6), and the bottom of the second anti-seepage film layer (51) is fixedly connected with the original anti-seepage film layer (2) of the garbage stack body (1) in a welding mode.
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| CN202022871926.1U CN213925694U (en) | 2020-12-03 | 2020-12-03 | Temporary road structure |
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| CN202022871926.1U CN213925694U (en) | 2020-12-03 | 2020-12-03 | Temporary road structure |
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