CN206279410U - A kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system - Google Patents

A kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system Download PDF

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Publication number
CN206279410U
CN206279410U CN201620998478.2U CN201620998478U CN206279410U CN 206279410 U CN206279410 U CN 206279410U CN 201620998478 U CN201620998478 U CN 201620998478U CN 206279410 U CN206279410 U CN 206279410U
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China
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retaining wall
roadbed
gabion
rock body
gradient
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田珣
支彬
张鑫
宋战平
李世豪
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China Road and Bridge Corp
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China Road and Bridge Corp
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

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Abstract

The utility model discloses a kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, including side slope, rhone;Also include:Gabion retaining wall, it is arranged in the rhone, and the gabion retaining wall includes pedestal and overlays the retaining wall on pedestal;Draining roadbed, it includes gradient roadbed, the first waterproof layer, the first microlith bed course, the first erosion control brush layer, drainage blanket, the second erosion control brush layer, the second microlith bed course, the second waterproof layer, embankment and top course successively from bottom to top;The draining roadbed and the side slope are respectively positioned at the front and back of gabion retaining wall.The road crossing avalanche slide rock body subgrade drainage system that the utility model is provided is applied to the roadbed of the severe cold large-scale slide rock body of many snow mountain area road crossings, with draining is rapid, the manager that suits measures to local conditions is reasonable, the characteristics of easy construction, solve the problems, such as that roadbed side slope draining is unfavorable during the large-scale avalanche slide rock body in many snow mountain areas of road crossing.

Description

A kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system
Technical field
The utility model is related to highway subgrade water-proof drainage technical field, and more specifically, the utility model is related to one kind Duo Xue areas road crossing avalanche slide rock body subgrade drainage system.
Background technology
With the development of transportation business, the mountain area that the increasing highway of China is avenged the severe cold more is built.Work as highway When passing through large-scale avalanche slide rock body, can run into existing highway subgrade drainage system can not meet large-scale avalanche slide rock body area Drainage requirement.Avalanche slide rock body area slope quality is soft, if bottom of slope generation rainwater soaks meeting when having rainfall, snowfall snow melt Avalanche is caused, the stability of roadbed and the transportation function of highway communication is seriously threatened.High and cold mountain area is ecological weak, with rainy season or The characteristics of person's snow melt season side slope flow rate of water flow is big, erosion is serious, the highway embankment stabilization to building causes great threat. Winter severe cold period, if rainwater can not emptying rapidly, there is frost heave, serious destruction road under severe cold effect in the rainwater of residual Base side slope and retaining wall structure.
Traditional highway subgrade water discharge method is to set an open drain along line alignment, and open drain is collected domatic With the water that attacks of roadbed side slope excretion again by spaced transverse drain ditch arrange in a row it is middle discharge roadbed side slope beyond.This road The discharge structure of base only considers from the project profile of common low altitude area, is not particularly suited for the large-scale avalanche slide rock avenged severe cold more Body area.When many snow mountain areas of severe cold run into the seasons such as rainy season, snowfall, snow melt, it may occur that the current of big flow high flow rate collect Leave from slide rock body surface face.Traditional gravity retaining wall protection side slope, its drainage pattern is to set drainpipe in wall bottom, Drainage effect can not meet precipitate big flow high flow rate current.If can not discharge rapidly, rainwater can be long-pending behind in wall Store, continuous lifting water level increases the stabilization that hydrostatic pressure threatens retaining wall, and in bottom of slope aggregation, soaks bottom of slope, it is likely that another Secondary generation avalanche.When heavy showers occurs, more current can be collected at slide rock body, the design drainability of open drain is often The drainage requirement at slide rock body can not be met, current can cover open drain and wash away roadbed, damage road surface.
Utility model content
A purpose of the present utility model is to solve at least the above, and provides the advantage that at least will be described later.
The utility model is it is also an object that provide a kind of suitable for many snow mountain area road crossing avalanche slide rocks of severe cold Body subgrade drainage system, the drainage system has that draining is rapid, can avoid the retaining of Slope bottom, and it is tight to solve road crossing Roadbed side slope draining unfavorable problem during Han Duo snow mountains area road crossing large-scale avalanche slide rock body.
The utility model is it is also an object that provide a kind of suitable for many snow mountain area road crossing avalanche slide rocks of severe cold Body subgrade drainage system, the drainage system has suits measures to local conditions and the characteristics of easy construction, takes full advantage of highway cutting construction A large amount of discarded building stones are left afterwards, the characteristics of with green economy ecological, environmental protective.
To achieve these goals, the utility model provides a kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage System, including side slope and the rhone at the Slope bottom is opened in, also include:
Gabion retaining wall, it is arranged in the rhone, and the gabion retaining wall includes pedestal and overlays the base Retaining wall on seat, the first gabion group that the pedestal is arranged in order by multiple along the Longitudinal extending direction of the rhone Into the retaining wall is vertically superimposed by multilayer net cage and is formed, and every layer of net cage is arranged successively by multiple along the length direction of the pedestal The second gabion composition of row, the multilayer net cage is connected with the anchor pole in side slope described in partial insertion respectively, to cause The gabion retaining wall is connected with the side slope flexible;
Draining roadbed, it includes gradient roadbed, the first waterproof layer, the first microlith bed course, the first erosion control successively from bottom to top Brush layer, drainage blanket, the second erosion control brush layer, the second microlith bed course, the second waterproof layer, embankment and top course, the gradient One end of roadbed is flush with the bottom land of the rhone, and the height of one end of the gradient roadbed is higher than the other end, with shape Into certain gradient, second waterproof layer is flushed with the upper surface of the pedestal and is connected;
Wherein, the size of second gabion is not more than the size of first gabion, the draining roadbed With the side slope respectively positioned at the front and back of the gabion retaining wall.
Can be filled in discarded building stones in pedestal and retaining wall by the utility model, larger stone can be inserted into pedestal In first gabion, some less rubbles are inserted in the second gabion of retaining wall, it is achieved thereby that waste resource Recycling, it is economic and environment-friendly, and the characteristics of realize gabion retaining wall good water permeability, drainage pressure-reducing, can in rainy season set Draining sluices, and stops mudstone, protects side slope and roadbed.
And by discarded building stones with draining roadbed so that draining roadbed has preferable drainage effect, pedestal Interior to serve not only as the basis of gabion retaining wall filled with larger stone and larger gap can drainage permeable, can be by The rainwater catchment that side slope leaves is discharged by the drainage blanket of draining roadbed, and the more traditional retaining wall of the method for designing sets draining Ditch is more suitable for the precipitate instantaneous high-speed large-flow mountain torrents mud-rock flow of reply, being capable of draining rapidly, it is to avoid water level after retaining wall Rise, hydrostatic pressure increase destroys retaining wall.The rainwater that side slope of embankment is flowed down can be received simultaneously, its stabilization is safeguarded.
Draining roadbed is made drainage blanket by the utility model with larger-size stone, the rainwater that can be left side slope Rapid emptying, with significant drainage effect.Drainage blanket bottom sets certain gradient and is easy to emptying ponding.Avoid in frost heave There is frost heave action destruction basic unit in season.
The accumulation superposition of second gabion is constituted retaining wall by the utility model, constitutes flexible structural system, and anchor pole is squeezed into Side slope deep, for gabion retaining wall provides reliable antidumping and skid resistance.Different from traditional retaining wall by local punching There is local failure when hitting, the utility model, can be during mud-rock flow temporary impact be resisted when Freshets roar down from the mountains Cooperative bearing is deformed according to stressing conditions adjust automatically, the effect of whole retaining wall is played well, efficiency is higher.And rushed Hitting after deforming can be by the method reparation of reset, simple and practical economy and facility.Simultaneously in the draining of filling large-size stone Bed course level setting up and down matches somebody with somebody rational first microlith bed course, the second microlith bed course, the first waterproof layer and the second waterproof layer, it is to avoid water Stream permeates up and down, is stored in draining roadbed and frost heaving failure occurs in frost heave season.
With anchor pole be connected gabion retaining wall by the utility model.So on the one hand can make gabion retaining wall in material-saving In the case of constantly accumulation superposition raise, adapt to mountain area it is tall and big, on the other hand the engineering situation of gradient slope can make gabion earth-retaining Wall turns into an entirety well with side slope.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, the drainage system is also Including:
Protector, it is filled between the side slope and the gabion retaining wall.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, the protector by Multiple ecology bag compositions, each ecology bag is built with the flourishing vegetable seeds of rhizome.
The utility model is built in view of frigid mountainous areas highway and causes destruction to the weak ecological environment in location, therefore Certain measure need to be taken to recover ecological.The utility model landfill ecology bag after gabion retaining wall, to recovering original ecological ring There is very big power-assisted in border.Plant germination is taken root in later stage ecology bag, and the protective action of side slope is further enhanced, by the side slope in later stage Protective action is further upgraded.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, first protection against erosion Layer is laid on the first microlith bed course by earth work grille net and is formed;
The second erosion control brush layer is laid on the drainage blanket by earth work grille net and is formed.
The drainage blanket is formed by ratchel laying.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, in every layer of net cage Multiple second gabions between by steel wire lashing together;
And pass through steel wire lashing together between adjacent two-layer net cage.And the retaining wall and the pedestal are passed through into steel Silk colligation together, while, can also be fixed on pedestal in rhone by the stability in order to increase gabion retaining wall.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, second gabion net The ratio between length, width and height of case are 3:2:2.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, in every layer of net cage extremely The quoit being connected with the anchor pole is welded with a few frame for second gabion.It is easy to the connection with anchor pole.
Preferably, in described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, the drainage blanket Lower surface is gradient bottom surface, and the gradient of the gradient bottom surface is identical with the gradient of the gradient roadbed, the drainage blanket Upper surface is horizontal end face
The utility model to the drainage system when constructing, it is necessary to note:
Gradient roadbed is easy to emptying ponding, and the gradient is suitable, it is to avoid the too small draining of the gradient is unfavorable and the gradient is excessive makes It is unstable into each layer on gradient roadbed.The first microlith bed course and the second microlith bed course not can select the sharp grain of corner angle Stone, it is to avoid destruction the first waterproof layer and the second waterproof layer, and the first erosion control brush layer is laid on the first microlith bed course, second The second erosion control brush layer is laid under microlith bed course, can prevent current from washing away microlith, while drainage blanket need to select quality hard, water The stone of good stability needs densification to tamp as filler, after the completion of laying, it is to avoid future settlement of subgrade.Ecology bag is built-in Enter the flourishing vegetable seeds of the primary rhizome in location, so can both help recover the ecosystem that construction of road cutting is damaged, Plant roots and stems bank protection can be played again.
Preferably, it is described in the construction method of described Duo Xue areas road crossing avalanche slide rock body subgrade drainage system The lower surface of drainage blanket is gradient bottom surface, and the gradient of the gradient bottom surface is identical with the gradient of the gradient roadbed, described The upper surface of drainage blanket is horizontal end face.
The utility model at least includes following beneficial effect:
1st, Duo Xue areas road crossing avalanche slide rock body subgrade drainage system described in the utility model is applied to snow more than severe cold Mountain highway passes through the subgrade drainage of large-scale slide rock body, and the structure of its draining roadbed and gabion retaining wall is with permeable well Property, the rainwater flowed down in side slope when rainy season set can discharge quickly, it is to avoid rainwater accumulation after retaining wall, harm retaining wall Stability, while having good interception result to silt stone, it is to avoid mud-rock-flow-impact embankment road;Base in gabion retaining wall The first gabion of filling large-size stone being capable of permeable draining in seat.When the current scour of big flow high flow rate is got off When, the flourishing rapid emptying of drainage system energy, it is to avoid rainwater is accumulated;It is high that drainage blanket in draining roadbed can receive big flow The current of flow velocity, the current discharge that will can be flowed down in side slope rapidly is not remained, and is safeguarded the water stability of roadbed and is avoided frost heave; The upper and lower waterproof layer of drainage blanket can avoid infiltration of the drainage blanket reclaimed water to roadbed, make subgrade stability reliability.
2nd, the gabion retaining wall in Duo Xue areas road crossing avalanche slide rock body subgrade drainage system described in the utility model It is flexible connection relation and side slope between, gabion retaining wall can be made constantly to raise, keep the stabilization of gabion retaining wall, is gabion Retaining wall provides antiskid, anchorage, adapts to towering precipitous side slope protection, has the advantages that low cost.
3rd, Duo Xue areas road crossing avalanche slide rock body subgrade drainage system described in the utility model is recycled and builds public affairs The waste stone that road leaves, turns waste into wealth, convenient material drawing, while substantial amounts of cement will not be consumed, environmental protection, easy construction, Economy and facility.
4th, in gabion retaining wall in Duo Xue areas road crossing avalanche slide rock body subgrade drainage system described in the utility model Landfill ecology bag, has very big power-assisted to recovering original ecological environment afterwards.Plant germination is taken root in later stage ecology bag, side slope it is anti- Shield effect is further enhanced, by the side slope protection effect further upgrading in later stage.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the Duo Xue areas road crossing avalanche slide rock body subgrade drainage described in the one of embodiment of the utility model The structural representation of system;
Fig. 2 is the Duo Xue areas road crossing avalanche slide rock body subgrade drainage described in the one of embodiment of the utility model The structural representation of the gabion retaining wall of system;
Fig. 3 is the Duo Xue areas road crossing avalanche slide rock body subgrade drainage described in the one of embodiment of the utility model The structural representation of the second gabion of system.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation Book word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term is not precluded from one or many The presence or addition of individual other elements or its combination.
As shown in Figure 1, Figure 2 and Figure 3, a kind of Duo Xue areas road crossing is provided in the one of embodiment of the utility model Avalanche slide rock body subgrade drainage system, including side slope 1 and the rhone 16 of the bottom of slope of the side slope 1 is opened in, also include:
Gabion retaining wall, it is arranged in the rhone 16, and the gabion retaining wall includes pedestal 2 and overlays described Retaining wall 3 on pedestal 2, the first lattice that the pedestal 2 is arranged in order by multiple along the Longitudinal extending direction of the rhone 16 Guest's net cage 210 is constituted, and the retaining wall 3 is vertically superimposed by multilayer net cage and is formed, every layer of net cage by multiple along the pedestal 2 length The second gabion 310 for being arranged in order of degree direction is constituted, the multilayer net cage respectively with side slope described in partial insertion 1 in anchor Bar 4 is connected, to cause that the gabion retaining wall is flexibly connected with the side slope 1;
Draining roadbed, it includes that gradient roadbed 5, the first waterproof layer 6, the first microlith bed course 7, first are prevented successively from bottom to top Erosional layer 8, drainage blanket 9, the second erosion control brush layer 10, the second microlith bed course 11, the second waterproof layer 12, embankment 13 and road surface face Layer 14, one end and the bottom land of the rhone 16 of the gradient roadbed 5 are flush, and one end of the gradient roadbed 5 height Degree is higher than the other end, and to form certain gradient, second waterproof layer 12 is flushed with the upper surface of the pedestal 2 and is connected;
Wherein, the size of second gabion 310 is not more than the size of first gabion 210, the row Water route base and the side slope 1 are respectively positioned at the front and back of the gabion retaining wall.
Discarded building stones can be filled in pedestal 2 and retaining wall 3 in the embodiment, and larger stone is inserted into pedestal In 2 the first gabion 210, some less rubbles are inserted in the second gabion 310 of retaining wall 3, so as to realize The recycling of waste resource, it is economic and environment-friendly, and the characteristics of realize gabion retaining wall good water permeability, drainage pressure-reducing, in rainy season Coming temporarily being capable of draining sluicing, stop mudstone, protection side slope and roadbed.
And by discarded building stones with draining roadbed so that draining roadbed has preferable drainage effect, pedestal 2 Interior to serve not only as the basis of gabion retaining wall filled with larger stone and larger gap can drainage permeable, can be by The rainwater catchment that side slope leaves is discharged by the drainage blanket 9 of draining roadbed, and the more traditional retaining wall of the method for designing sets row Ditch is more suitable for the precipitate instantaneous high-speed large-flow mountain torrents mud-rock flow of reply, being capable of draining rapidly, it is to avoid water after retaining wall Position rises, hydrostatic pressure increase, destroys retaining wall.The rainwater that side slope of embankment is flowed down can be received simultaneously, its stabilization is safeguarded.
Draining roadbed is made drainage blanket 9 by the embodiment with larger-size stone, the rainwater that can be left side slope Rapid emptying, with significant drainage effect.The bottom of drainage blanket 9 sets certain gradient and is easy to emptying ponding.Avoid freezing There is frost heave action destruction basic unit in swollen season.
Second gabion 310 is accumulated superposition and constitutes retaining wall 3 by the embodiment, constitutes flexible structural system, anchor pole 4 dozens Enter the deep of side slope 1, for gabion retaining wall provides reliable antidumping and skid resistance.Different from traditional retaining wall by part There is local failure when impact, when Freshets roar down from the mountains, can be during mud-rock flow temporary impact be resisted according to stress Situation adjust automatically deforms cooperative bearing, and the effect of whole retaining wall is played well, and efficiency is higher.And after the deformation that is hit Can be by the method reparation of reset, simple and practical economy and facility.Simultaneously in the drainage blanket about 9 of filling large-size stone Level is set and matches somebody with somebody rational first microlith bed course 7, the second microlith bed course 11, the first waterproof layer 6 and the second waterproof layer 12, it is to avoid current Permeate up and down, be stored in draining roadbed and frost heaving failure occurs in frost heave season.
With anchor pole 4 be connected gabion retaining wall by the embodiment.So on the one hand can make gabion retaining wall in material-saving In the case of constantly accumulation superposition raise, adapt to mountain area it is tall and big, on the other hand the engineering situation of gradient slope can make gabion earth-retaining Wall turns into an entirety well with side slope.
Wherein in one embodiment, as shown in figure 1, described road crossing avalanche slide rock body subgrade drainage system of Duo Xue areas System also includes:
Protector 15, it is filled between the side slope 1 and the gabion retaining wall.For example, the protector 15 It is made up of multiple ecology bags, each ecology bag is built with the flourishing vegetable seeds of rhizome.
The embodiment considers that frigid mountainous areas highway is built and causes destruction to the weak ecological environment in location, therefore needs Certain measure is taken to recover ecological.The utility model landfill ecology bag after gabion retaining wall, to recovering original ecological environment There is very big power-assisted.Plant germination is taken root in later stage ecology bag, and the protective action of side slope is further enhanced, and the side slope in later stage is prevented Shield effect further upgrading.
Wherein in one embodiment, the first erosion control brush layer 8 is laid on the first microlith pad by earth work grille net Formed on layer 7;
The second erosion control brush layer 10 is laid on the drainage blanket 9 by earth work grille net and is formed.
The drainage blanket 9 is formed by ratchel laying.
Wherein in one embodiment, tied up by steel wire between multiple second gabions 310 in every layer of net cage Bind together;
And pass through steel wire lashing together between adjacent two-layer net cage.And pass through the retaining wall 3 and the pedestal 2 Steel wire lashing together, while, can also be fixed on pedestal 2 in rhone 16 by the stability in order to increase gabion retaining wall.
Wherein in one embodiment, as shown in figure 3, the ratio between length, width and height of second gabion 310 are 3:2:2.
Wherein in one embodiment, it is welded with least one of every layer of net cage frame of the second gabion 310 The quoit being connected with the anchor pole 4.It is easy to the connection with anchor pole 4.
Wherein in one embodiment, as shown in figure 1, the lower surface of the drainage blanket 9 is gradient bottom surface, and the slope The gradient for spending bottom surface is identical with the gradient of the gradient roadbed 5, and the upper surface of the drainage blanket 9 is horizontal end face.It is easy to row The draining of water subfill.
A kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system described in any of the above described one embodiment is entered During row construction, need to be constructed according to following description, specially:
Step one, open up a groove in the bottom of slope of side slope 1, and bottom land and side wall to the groove carries out cement mortar and smears Face, to form rhone 16;Length direction in the rhone 16 and along the rhone 16 is arranged in order multiple fillings There is the first gabion 210 of ratchel, and with steel wire lashing together to form pedestal 2, then along the length of the pedestal 2 Direction is arranged in order multiple the second gabions 310 filled with rubble and forms one layer of net cage, and multilayer net cage is vertically folded Plus forming retaining wall 3, the pedestal 2 and the retaining wall 3 form gabion retaining wall by together with steel wire lashing, will be described many Layer net cage is attached with the anchor pole 4 in side slope described in partial insertion 1 respectively, to cause the gabion retaining wall and the side slope 1 flexible connection;
Step 2, the roadbed that the base being located in front of the gabion retaining wall is built into certain slope, the roadbed One end flushes with the bottom land of the rhone 16, the height of the height less than one end of the roadbed of the other end of the roadbed, To form gradient roadbed 5;
Step 3, set waterproof material on the upper berth of gradient roadbed 5, form the first waterproof layer 6;In first waterproof layer Microlith is laid on 6, to form the first microlith bed course 7;Earth work grille net is laid on the first microlith bed course 7, to form One erosion control brush layer 8;Stone is laid on the first erosion control brush layer 8, to form drainage blanket 9, and densification is tamped;In the row Earth work grille net is laid on water subfill 9, to form the second erosion control brush layer 10;Microlith is laid on the second erosion control brush layer 10, To form the second microlith bed course 11;Set waterproof material on the upper berth of the second microlith bed course 11, and with the upper surface of the pedestal 2 Connection is flushed, to form the second waterproof layer 12;Carry out embankment 13 and top course 14 successively on second waterproof layer 12 Construction.
And for example in order to recover the ecological environment in many snow mountain areas of severe cold, protector is set at the rear of the gabion retaining wall 15, the protector 15 is the multiple ecology bags being filled between the side slope 1 and the gabion retaining wall, and is given birth to each Load the flourishing vegetable seeds of rhizome in state bag.
When being constructed, it should be noted that:
Gradient roadbed 5 is easy to emptying ponding, and the gradient is suitable, it is to avoid the too small draining of the gradient is unfavorable and the gradient is excessive makes It is unstable into each layer on gradient roadbed.The first microlith bed course 7 and the second microlith bed course 11 not can select corner angle cutting edge of a knife or a sword Sharp grain stone, it is to avoid destruction the first waterproof layer 6 and the second waterproof layer 12, and lay the first protection against erosion on the first microlith bed course 7 Layer 8, lays the second erosion control brush layer 10 under the second microlith bed course 11, can prevent current from washing away microlith, while drainage blanket 9 is needed Selection quality is hard, and the good stone of water stability needs densification to tamp as filler, after the completion of laying, it is to avoid future, roadbed was uneven Sedimentation.Load the flourishing vegetable seeds of the primary rhizome in location in ecology bag, so can both help to recover construction of road cutting to cause The ecosystem of destruction, can play plant roots and stems bank protection again.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and implementation method Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art, Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality Specific details is not limited to new and shown here as the legend with description.

Claims (8)

1. a kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system, including side slope and the Slope bottom is opened in Rhone, it is characterised in that also include:
Gabion retaining wall, it is arranged in the rhone, and the gabion retaining wall includes pedestal and overlays on the pedestal Retaining wall, the pedestal is made up of multiple along the first gabion that the Longitudinal extending direction of the rhone is arranged in order, The retaining wall is vertically superimposed by multilayer net cage and is formed, and every layer of net cage is arranged in order by multiple along the length direction of the pedestal Second gabion is constituted, and the multilayer net cage is connected with the anchor pole in side slope described in partial insertion respectively, described to cause Gabion retaining wall is connected with the side slope flexible;
Draining roadbed, its from bottom to top successively include gradient roadbed, the first waterproof layer, the first microlith bed course, the first erosion control brush layer, Drainage blanket, the second erosion control brush layer, the second microlith bed course, the second waterproof layer, embankment and top course, the gradient roadbed One end is flush with the bottom land of the rhone, and the height of one end of the gradient roadbed is higher than the other end, certain to be formed The gradient, second waterproof layer flushes with the upper surface of the pedestal and is connected;
Wherein, the size of second gabion is not more than the size of first gabion, and the draining roadbed and The side slope is respectively positioned at the front and back of the gabion retaining wall.
2. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 1, it is characterised in that also wrap Include:
Protector, it is filled between the side slope and the gabion retaining wall.
3. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 2, it is characterised in that described anti- Protection unit is made up of multiple ecology bags, and each ecology bag is built with the flourishing vegetable seeds of rhizome.
4. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 1, it is characterised in that described One erosion control brush layer is laid on the first microlith bed course by earth work grille net and is formed;
The second erosion control brush layer is laid on the drainage blanket by earth work grille net and is formed;
The drainage blanket is formed by ratchel laying.
5. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 1, it is characterised in that described every Between multiple second gabions in layer net cage by steel wire lashing together;
And pass through steel wire lashing together between adjacent two-layer net cage.
6. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 1, it is characterised in that described The ratio between length, width and height of two gabions are 3:2:2.
7. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 1, it is characterised in that every layer of net The quoit being connected with the anchor pole is welded with the frame of the gabion of at least one of case second.
8. Duo Xue areas road crossing avalanche slide rock body subgrade drainage system as claimed in claim 1, it is characterised in that the row The lower surface of water subfill is gradient bottom surface, and the gradient of the gradient bottom surface is identical with the gradient of the gradient roadbed, the row The upper surface of water subfill is horizontal end face.
CN201620998478.2U 2016-08-30 2016-08-30 A kind of Duo Xue areas road crossing avalanche slide rock body subgrade drainage system Active CN206279410U (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826066A (en) * 2019-03-14 2019-05-31 广西双象建设工程有限责任公司 A kind of road structure and construction method of light soil roadbed combination steel-pipe pile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826066A (en) * 2019-03-14 2019-05-31 广西双象建设工程有限责任公司 A kind of road structure and construction method of light soil roadbed combination steel-pipe pile

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