A kind of sponge urban ecology diafiltration ground structure and its construction method
The present invention relates to urban construction environment protection field, in particular to a kind of sponge urban ecology diafiltration ground structure and its structure
As urban construction develops rapidly, the construction of large amount of building and road etc. increases city hardened ground area quickly
Add, currently, the paving design of the most of urban road in China, public square etc. is all made of and " coordinated development, ecology naturally
The impermeable water type close-graded concrete and stone slab paving structure that benign cycle " theory is disagreed.The big face of this paving
Product use can adversely affect urban ecological environment, destroy the normal circulation of water resource, prevent rain (snow) water
Ground is directly infiltrated through, has blocked rain (snow) water to the supplement of urban groundwater resource；The negative climatic effect in city is exacerbated, is disliked
Changed urban ecology, it is this it is fluid-tight mat formation and surrounding cities building collective effect, will increase city " tropical island effect " and
City noise；Security risk is increased, with increasingly sharpening for city " rainwater disease ", the ground pavement of these surface compacts exists
Rainy day prevents to cause large area ponding from draining in time at hypsography low-lying, generate " water drift phenomenon ", make rain due to hardened ground
Its driving generates phenomena such as " drift is slided ", " splashing ", " Night Glare ", makes troubles and pacifies to pedestrian's trip and vehicle driving
Full hidden danger.When the gradient is suitable for, due to the Quick drainage mode of hardened ground, urban water shortage phenomenon is aggravated, is unfavorable for adjusting
Mesoclimate.With the proposition of sponge city concept, people prefer to can have a kind of ecotypic road surface existing hard to replace
Change road surface, can solve these problems by ecological diafiltration techniques, is laid with ecology extensively using ecological diafiltration techniques in city
Type pervious surface, this has become the common practice of many ecocities in the world.Environmental pervious surface can be reduced the heat in city
Island effect adjusts mesoclimate, is also beneficial to the precipitation in city, and city can be helped to store more rainwater.This can mitigate city
City's water resources crisis, and can increase the water content in soil, regulate the climate, so as to improve the ecological environment in city.
Notification number is that the Chinese patent of CN105887609A discloses a kind of building side on sponge urban ecology diafiltration ground
Method, sponge urban ecology diafiltration ground are made of underlayment, base, filter layer, porous pavement, and construction method includes following
Step: 1) it is percolated the preparation of material；2) underlayment and base are laid with；3) ground underlay is percolated material-paving filter layer；4) it installs
Kerbstone and laying pervious surface.
The construction method on this sponge urban ecology diafiltration ground, although the advantages of inventing is: construction method ecology, ring
It protects, green, there is preferable repeatability and showing property, the porosity and rain penetration rate on ground can be increased；Significantly improve road surface
And the water storage performance and pollutant purification ability of surrounding soil, reduce the generation of water pollutant and road safety accident, appropriateness
Adjust mesoclimate, hence it is evident that the problems such as slowing down city " rainwater disease ", " tropical island effect " and soil water shortage and city noise is solving
Certainly while urban ecology, environmental and safety problems, building urban ecology road is played to use for reference well and is made, but in reality
Due to the setting of filter layer in the use process of border, after water penetration ground is under pressure, pressure, which is transmitted to filter layer, can occur shape
Become, from the case where will lead to the decline of road surface integral strength structure, road surface is caused to be damaged.
Summary of the invention
The object of the present invention is to provide a kind of sponge urban ecology diafiltration ground structure and its construction methods, have road surface tool
There is the advantages of infiltration also ensures overall structural strength.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of sponge urban ecology diafiltration ground structure, including the underlayment being arranged from bottom to up, the base being arranged on underlayment
Layer, the filter layer being arranged in base, the water penetration ground being arranged on filter layer, setting are described in base's two sides kerbstone
Reinforcement assembly is equipped in filter layer, the reinforcement assembly includes the bearing bar being vertically arranged, bearer network, institute is arranged on carrier bar
It states bearing bar extension to bury to underlayment and base, the bearer network vertical direction, which is equipped with multilayer and fixes with bearing bar, to be connected
It connects, several reinforcing rods is equipped between bearer network described in adjacent two panels, the bearer network is fixedly connected with kerbstone.
By using above-mentioned technical proposal, whole ground structure is reinforced by reinforcement assembly, what can be seeped water
Also ensure the structural strength on ground simultaneously, bearer network has certain tensile force, plays a supporting role to filter layer, bearing bar with
Reinforcing rod has also shared the pressure on road surface, improves the intensity of the structure on ground.
Further, reinforcing rib is equipped between the adjacent bearing bar, reinforcing rib and curb at the kerbstone
Stone is fixedly connected.
By using above-mentioned technical proposal, the stability of bearing bar positional structure is increased, improves road surface to reach
Further, tensioning chain, tensioning chain and curb at the kerbstone are equipped between the adjacent reinforcing rod
Stone is fixedly connected.
By using above-mentioned technical proposal, the stability of reinforcing rod positional structure is increased, improves road surface to reach
Further, strainer is equipped between the adjacent bearer network, the strainer is woven by carbon fiber, the strainer
On mesh be triangle.
By using above-mentioned technical proposal, carbon fiber has certain intensity, cooperates triangular mesh, increases strainer
Structural strength, to reach the structural strength for improving road surface.
Further, the bearer network and strainer vertical direction are evenly distributed in filter layer.
By using above-mentioned technical proposal, the bearer network and strainer of multilayer setting, central filler filter layer reduces filter layer
Being pressurized, deformation occurs, further improves the structural strength on ground.
Further, it is equipped with reinforcing network in the water penetration ground, if vertical direction is equipped in the water penetration ground
Do hollow permeable column.
By using above-mentioned technical proposal, reinforcing network and hollow permeable column are combined, and further improve the intensity on ground,
Hollow permeable column also increases the seepage of water on water penetration ground simultaneously.
Another object of the present invention is intended to provide a kind of construction method of sponge urban ecology diafiltration ground structure, including power
Benefit requires sponge urban ecology described in 1-6 any one to be percolated ground structure, and specific implementation step is as follows:
S1, underlayment and base are laid with；
S2, embedded kerbstone；By the inside of one third the embedment underlayment and base of kerbstone height, kerbstone is prefabricated
It is fabricated to bottom setting triangular in shape in the process；
S3, reinforcement assembly and filter layer are laid with；Filter layer is mixed by natural material；
A, carrier bar is uniformly fixed to the inside for being inserted into underlayment and base, is laid with a piece of bearer network contradicted with base,
First of reinforcing rib connection is set on reinforcing rod, filter layer is laid on bearer network；
B, reinforcing rod is uniformly inserted into filter layer, reinforcing rod extends upward filter layer, the setting tensioning chain on reinforcing rod；
C, strainer is laid on filter layer, strainer is fixedly connected with reinforcing rod；
D, it is laid with filter layer again on strainer and thickness is lower than the top of reinforcing rod；
E, it is laid with bearer network again on filter layer；
S4, it is laid with water penetration ground；Several hollow permeable columns, permeable column and the fixed company of bearer network are first uniformly inserted into filter layer
It connects, re-lays fixed net, then carry out the laying of water penetration ground；
S5, catch basin is opened up close to the side on road surface in kerbstone, the drainage hole extended transversely through is opened up in catch basin.
By using above-mentioned technical proposal, it may be implemented ground during constructing laying according to different ground demands
Face structural strength increases and seepage of water guarantees.
Further, the requirement on ground is laid with according to reality, the b-d in step S3 is repeated as many times the paving for realizing filter layer
By using above-mentioned technical proposal, according to construction environment difference, the ruggedized construction multilayer in filter layer is arranged, so that
Ground structure intensity increases.
Further, the thickness on the filter layer and water penetration ground and the height lower than kerbstone.
By using above-mentioned technical proposal, be conducive to kerbstone and realize the effect reinforced to ground, after reducing ground compression
There is the case where collapsing to two sides.
Further, height of the integral thickness of the filter layer lower than the exposing base of bearing bar.
By using above-mentioned technical proposal, so that bearing bar has part that can extend into water penetration ground, and then improve
The position of bearing bar is stablized, to achieve the effect that improve ground structure intensity.
In conclusion the invention has the following advantages:
1. passing through the setting of filter layer and reinforcement assembly, the effect that ground intensity is also improved while ground sweat can played
2. the filter layer made of natural material can play the effect of environmental protection；
3. passing through the setting of filter layer and pervious surface, the surface water can be played and penetrate into soil, it not only can be with recharging groundwater, also
City rain flood load can be mitigated, improve the effect of urban ecological environment.
Detailed description of the invention
Fig. 1 is the schematic diagram of sponge urban ecology diafiltration ground structure in embodiment.
In figure, 1, underlayment；2, base；3, filter layer；4, water penetration ground；41, reinforcing network；42, hollow permeable column；5,
Kerbstone；51, catch basin；52, drainage hole；6, reinforcement assembly；61, bearing bar；611, reinforcing rib；62, bearer network；63, reinforce
Bar；631, it is tensioned chain；7, strainer.
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment: a kind of sponge urban ecology diafiltration ground structure, as shown in Figure 1, including the base being arranged from bottom to up
Layer 1, the base 2 being arranged on underlayment 1, the filter layer 3 being arranged in base 2, the water penetration ground being arranged on filter layer 3
4, setting plays the role of limit to the ground poured in 2 two sides kerbstone 5 of base, kerbstone 5, occurs after reducing road surface stress
The case where collapsing to both sides, filter layer 3 and water penetration ground 4 combine, so that the effect of infiltration may be implemented in ground, not only may be used
With recharging groundwater, city rain flood load can also be mitigated, improve the effect of urban ecological environment.
As shown in Figure 1, also to guarantee the structural strength on ground simultaneously in the case where guaranteeing that infiltration may be implemented in ground,
So being equipped with reinforcement assembly 6 in filter layer 3, reinforcement assembly 6 includes the bearing bar 61 being vertically arranged, is arranged and holds on carrier bar
Support grid 62, the extension of bearing bar 61 are buried to underlayment 1 and base 2, and 62 vertical direction of bearer network is equipped with multilayer and and bearing bar
61 are fixedly connected, and all bearing bars 61 are all fixedly connected with itself by bearer network 62, while bearer network 62 extends to kerbstone 5
It place and is fixedly connected with kerbstone 5, bearing bar 61, which is inserted into underlayment 1 and base 2, realizes that position is fixed, while bearer network 62
The tensile force of itself also links together all carrier bars, and the position for improving carrier bar is stablized, in addition multiple carrier bars
Similarly it is to be fixed to bearer network 62, reduces after it is pressurized and large area stretcher strain occur, and then reached and mentioned
Rise the effect of ground structure intensity.
As shown in Figure 1, can generally be laminated equipped with multiple bearer networks 62, be held by multiple when being laid with diafiltration ground
The tensile force of support grid 62 is equipped with several reinforcements to further increase the structural strength on ground between adjacent two panels bearer network 62
Bar 63 realizes the multi-point support to bearer network 62 by reinforcing rod 63, also reduces bearer network 62 and occurs generating shape after being pressurized
The case where change.Bearing bar 61 is combined with reinforcing rod 63 also functions to the effect for sharing pressure on road surface, improves the structure on ground
As shown in Figure 1, being additionally provided with strainer 7 between adjacent bearer network 62, strainer 7 is woven by carbon fiber, on strainer 7
Mesh be triangle.Carbon fiber has certain intensity, and braiding forms the strainer 7 of carbon fiber, and the structure for increasing strainer 7 is strong
Degree cooperates mesh setting triangular in shape, while guaranteeing seepage rate, to reach the structural strength for improving road surface.Bearer network
62 are evenly distributed in filter layer 3 with 7 vertical direction of strainer, the bearer network 62 and strainer 7 of multilayer setting, central filler filter layer
3, reducing the compression of filter layer 3, deformation occurs, further improves the structural strength on ground.
As shown in Figure 1, bearing bar 61 or reinforcing rod 63 are pressurized after generating skew, the structural strength of meeting road pavement entirety is generated
It influences, reinforcing rib 611 is equipped between adjacent bearing bar 61, the reinforcing rib 611 and kerbstone 5 at kerbstone 5 are fixed to be connected
It connects.Tensioning chain 631 is equipped between adjacent reinforcing rod 63, the tensioning chain 631 at kerbstone 5 is fixedly connected with kerbstone 5.It is logical
It crosses reinforcing rib 611 to be again coupled to all bearing bars 61 together, and is connected all reinforcing rods 63 by tensioning chain 631
It is connected together, has reached the situation for reducing bearing bar 61 and the compression of reinforcing rod 63 and generating skew, improved road surface to reach
As shown in Figure 1, being equipped with reinforcing network in water penetration ground 4 to further improve the strength structure on ground
41, vertical direction is equipped with several hollow permeable columns 42 in water penetration ground 4.Reinforcing network 41 has tensile force, with reducing water penetration
For 4 stress of face there is a situation where being cracked, hollow permeable column 42 is realizing that the support that ground also may be implemented is made while seeping water effect
With.Reinforcing network 41 and hollow permeable column 42 combine, and further improve the intensity on ground, while hollow permeable column 42 also increases
The seepage of water on water penetration ground 4.
Another object of the present invention is intended to provide a kind of construction method of sponge urban ecology diafiltration ground structure, specific real
Apply that steps are as follows:
S1, underlayment 1 and base 2 are laid with；The laying that underlayment 1 and base 2 are carried out according to the safety standard of construction, according to design
Requirement excavate roadbed, clear up the earthwork, check longitudinal slope, horizontal slope and sideline, modify roadbed, levelling grinding compacting, compacting factor is extremely
Less up to 95%, underlayment 1 is laid with above the roadbed excavated, underlayment 1 is by lime, flyash and local soil type at lime, fine coal
The weight ratio of ash and soil is 10:24:66, completes levelling compacting after underlayment 1, and compacting factor is at least up to 95%, is terminated rolling
Before, once making its longitudinal direction pleasantly with land leveller is flat eventually, road camber and superelevation meet design requirement, pine is gently finally harrowed on surface,
And it is wet to sprinkle water, and is then laid with base 2, base 2 is cement stabilized macadam layer, is stablized with cement, flyash, cement and accurately mistake of gathering materials
Scale is blended according to continuous grading ratio, and record mixing time plus water time and amount of water guarantee blending quality, after uniformly paving
Levelling compacting, compacting factor are at least up to 93%, and compacting rear surface answers smooth no wheelmark or protuberance, and section is correct, and road camber meets
It is required that the surface of Construction of Cement Stabilized Macadam should keep smooth, cleaning after completion of works.
S2, embedded kerbstone 5；By the inside of one third the embedment underlayment 1 and base 2 of 5 height of kerbstone, kerbstone
5 are fabricated to bottom setting triangular in shape during prefabricated；Advantageously ensure that kerbstone 5 was arranged by the pedestal of triangle
Stability reduces the inclination due to kerbstone 5 and influences the structural strength on whole ground.
S3, reinforcement assembly 6 and filter layer 3 are laid with；Filter layer 3 is mixed by natural material；For natural sandy soil, boiling
Stone, quartz sand, timber, meadow soil or sub- sandy soil, obsolete material are coal ash, crab shell or solid waste, and artificial material is fibre
Film, active carbon or Zero-valent Iron are tieed up, according to percolation effect, in conjunction with economy, the material of natural material, obsolete material and artificial material
Proportion is 7:1-2:0 .5-1.
A, carrier bar is uniformly fixed to the inside for being inserted into underlayment 1 and base 2, is laid with what a piece of and base 2 contradicted
The connection of first of reinforcing rib 611 is arranged on reinforcing rod 63, is connected all reinforcing rods 63 by reinforcing rib 611 for bearer network 62
It is connected together, the reinforcing rib 611 at kerbstone 5 is fixedly connected with kerbstone 5, and filter layer 3 is laid on bearer network 62；
B, reinforcing rod 63 is uniformly inserted into filter layer 3, reinforcing rod 63 extends upward filter layer 3, is arranged on reinforcing rod 63
It is tensioned chain 631；All reinforcing rods 63 are linked together by tensioning chain 631, while the tensioning chain at kerbstone 5
631 are fixedly connected with kerbstone 5,
C, strainer 7 is laid on filter layer 3, strainer 7 is fixedly connected with reinforcing rod 63；Strainer 7 extends to fixed company at kerbstone 5
D, it is laid with filter layer 3 again on strainer 7 and thickness is lower than the top of reinforcing rod 63；
E, it is laid with bearer network 62 again on filter layer 3, extends at kerbstone 5 and be fixedly connected after being fixedly connected with carrier bar.
S4, it is laid with water penetration ground 4；Several hollow permeable columns 42, permeable column and carrying are first uniformly inserted into filter layer 3
Net 62 is fixedly connected, and re-lays fixed net, and fixed net extends at kerbstone 5 to be fixedly connected with kerbstone 5, is then carried out permeable
Property ground 4 be laid with.
S5, catch basin 51 is opened up close to the side on road surface in kerbstone 5, the draining extended transversely through is opened up in catch basin 51
Hole 52, catch basin 51 are connected to municipal Storm Sewer Network.When the hypervolia on ground can not permeate in time, water can be along collection
Sink flows into city planting ductwork, while having the rainwater of part to enter in the soil of ground two sides by drainage hole 52.
According to construction environment difference, the ruggedized construction multilayer setting in filter layer 3 walks so that ground structure intensity increases
B-d in rapid S3 is repeated as many times the laying for realizing filter layer 3.The thickness on filter layer 3 and water penetration ground 4 and it is lower than kerbstone 5
Height, be conducive to kerbstone 5 to ground realize reinforce effect, reduce ground be pressurized after occur to two sides collapse the case where.
The integral thickness of filter layer 3 is lower than the height of the exposing base 2 of bearing bar 61, so that bearing bar 61 has part that can extend into
In aqueous ground 4, and then the position for improving bearing bar 61 is stablized, to achieve the effect that improve ground structure intensity.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.