CN110412253A - A kind of blocking of pervious concrete and repair mechanism simulator and its analogy method - Google Patents
A kind of blocking of pervious concrete and repair mechanism simulator and its analogy method Download PDFInfo
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- CN110412253A CN110412253A CN201910784209.4A CN201910784209A CN110412253A CN 110412253 A CN110412253 A CN 110412253A CN 201910784209 A CN201910784209 A CN 201910784209A CN 110412253 A CN110412253 A CN 110412253A
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- 239000011380 pervious concrete Substances 0.000 title claims abstract description 159
- 230000000903 blocking effect Effects 0.000 title claims abstract description 41
- 230000008263 repair mechanism Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 161
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000010865 sewage Substances 0.000 claims abstract description 29
- 230000035699 permeability Effects 0.000 claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 238000002474 experimental method Methods 0.000 claims abstract description 23
- 239000004927 clay Substances 0.000 claims abstract description 16
- 235000014121 butter Nutrition 0.000 claims description 36
- 238000001035 drying Methods 0.000 claims description 22
- 210000002445 nipple Anatomy 0.000 claims description 20
- 239000002689 soil Substances 0.000 claims description 11
- 239000004567 concrete Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 6
- 238000005345 coagulation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract 1
- 239000012615 aggregate Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
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Abstract
The present invention is a kind of blocking of pervious concrete and repair mechanism simulator and its analogy method, simulator include transparent cylinder, water-storing device, cleaning device and drainage arrangement；Transparent inner barrel bottom end is provided with the pervious concrete test specimen that can be taken off；The top of transparent cylinder can be connect with water-storing device or cleaning device removable seal respectively, the bottom end of transparent cylinder can be connect with drainage arrangement removable seal, water-storing device is used for emulation when carrying out rainy to pervious concrete test specimen Emission test sewage, cleaning device is used for pervious concrete test specimen high-pressure discharge clear water, for simulating the washing and cleaning operation on sprinkling truck.Can during test experiments the parameters such as the clay content of pervious concrete test specimen, whole porosity, coefficient of permeability and blocking simulated time variation tendency, provide effectively data reference for the design and later period clean and maintenance of subsequent pervious concrete pavement.
Description
Technical field
The present invention is to be related to technical field of civil engineering, specifically a kind of pervious concrete blocking and repair machine molding
Quasi- device and its analogy method.
Background technique
Pervious concrete refers to that its interior porosity is greater than 10%, and generally 15%-30%, most apertures are greater than 1mm, tool
There is the concrete of certain water-permeable and air permeable performance.It is a kind of porous material as made of aggregate, cement and water mixing, it be free of or
Containing a small amount of fine aggregate, the equally distributed honeycomb structure in hole is formed by coarse aggregate surface package a thin layer cement slurry bonding,
Have the characteristics that gas permeability, water penetration and light-weight.
Nowadays, city Permeable stratum area is increasing, and rainfall often imports Storm Sewer Network outflow city, thus gives city
Bring a series of ecological problem.Pervious concrete porosity is big, can collect, store part rainwater, to a certain extent
Alleviate municipal drainage pressure.Since effect of the pervious concrete pavement in rainfall runoff management is more obvious, in the past ten
Year in using increasingly extensive.Along with the growth in application item quantity and scale, must be taken into consideration during operation permeable mixed
Coagulate the rain penetration ability of soil.
However, water penetration is just at pervious concrete when organic matter and particulate impurity add the gap of stifled pervious concrete
Urgent problem to be solved.Therefore, it is necessary to a kind of blocking of pervious concrete and repair mechanism simulator and its analogy methods, are
Various performance parameters of the water coagulation soil surface on rainy day and giant cleaning road surface carry out effective simulation and prediction point
Analysis, and design for pervious concrete pavement and later period clean and maintenance provide effectively data reference.
Summary of the invention
The present invention aiming at the shortcomings in the prior art, provide a kind of blocking of pervious concrete and repair mechanism simulator and
Its analogy method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of blocking of pervious concrete and repair mechanism simulator, it is characterised in that: filled including transparent cylinder, water storage
It sets, cleaning device and drainage arrangement；
The transparent cylinder is made of transparent acrylic, and the transparent inner barrel bottom end, which is provided with, can be taken off
Pervious concrete test specimen；
The water-storing device includes storage cylinder of water, and the storage cylinder of water bottom centre position is provided with storage cylinder of water discharge outlet,
Storage cylinder of water water inlet is provided at the top of the storage cylinder of water, the storage cylinder of water bottom surface is provided with top seal nipple, described
Top seal nipple connect with transparent cylinder top opening removable seal；
The cleaning device includes wash bowl, and wash bowl bottom centre position is provided with high-pressure nozzle, the high pressure
Flow pipe, which passes through, to be connected to inside wash bowl with high-pressure nozzle, and the high pressure flow pipe other end is connected to high-pressure water, high pressure flow pipe
It is inside provided with water valve, the water valve is fixedly connected with switch handle, and the wash bowl bottom surface is provided with top seal nipple,
The top seal nipple is connect with transparent cylinder top opening removable seal；
The drainage arrangement includes adjutage, is provided with adjutage water inlet, the row at the top of the adjutage
Water drum top surface is provided with bottom rubber seal connector, and the bottom rubber seal connector is arranged along adjutage water inlet edge,
The adjutage sidewall bottom edge is provided with sewage effluent, and bottom rubber seal connector and transparent cylinder bottom opening can
Disassembly is tightly connected.
Level scale is provided on the outer wall of the transparent cylinder.
Strainer is removably fixedly installed in the adjutage water inlet.
The transparent cylinder inboard wall cross section is square, and the horizontal cross-section of the pervious concrete test specimen is pros
Shape, the horizontal cross-section side length of the pervious concrete test specimen are less than transparent cylinder inboard wall cross section side length, and described is permeable mixed
Butter is filled between solidifying soil test specimen side wall and transparent cylinder inboard wall.
The top seal nipple and bottom rubber seal connector is all made of elastic rubber material and is made, the top
Seal nipple and bottom rubber seal inner nosepiece wall cross section are square.
The butter is industrial butter.
The analogy method of a kind of blocking of pervious concrete and repair mechanism, it is characterised in that: pass through simulation pervious concrete
Process test specimen blocking and repaired, further obtains the silt storage limit and optimal clean work of pervious concrete test specimen
Condition, the specific steps are as follows:
Step 1, according to the wastewater parameters data of target, soil and clear water are mixed to concentration needed for being formed in proportion
Test sewage sample；
Step 2, the sample for obtaining pervious concrete test specimen carries out porosity measurement to pervious concrete test specimen, and obtaining should
The whole porosity of test specimen, and measure the quality m of the original state of pervious concrete test specimen1；
Step 3, one layer of butter is uniformly smeared into the side of pervious concrete test specimen, and pervious concrete test specimen is placed in
Bright cylinder body bottom, the butter can be filled up completely the gap between concrete sample side wall and transparent cylinder inboard wall；
Step 4, from top to bottom the assembling of water-storing device, transparent cylinder and drainage arrangement is finished, closes storage cylinder of water discharge outlet
And experiment sewage sample is passed through into storage cylinder of water water inlet injection storage cylinder of water；
Step 5, start timing while opening storage cylinder of water discharge outlet, until the experiment sewage row of being discharged into completely in storage cylinder of water
Terminate timing when in water drum, timing time is to block simulated time for the first time, while calculating the coefficient of permeability of blocking simulation for the first time；
Step 6, it when the experiment sewage in storage cylinder of water is discharged into adjutage completely through pervious concrete test specimen, takes out saturating
The intracorporal pervious concrete test specimen of placket, wipes the butter on pervious concrete test specimen side；
Step 7, the pervious concrete test specimen for having cleaned butter is put into high temperature drying box and continuous high temperature is dried, drying
Duration is not less than for 24 hours, and measures the clay content of the test specimen；.
Step 8, the pervious concrete test specimen that butter has been cleaned after drying is taken out, repeats step 2 to step 7, recycles N
Secondary, coefficient of permeability is simulated in the whole porosity of the test specimen, blocking simulated time and blocking to record each time；
Step 9, one layer of butter is uniformly smeared in the side of the pervious concrete test specimen after n-th being dried, and will be permeable mixed
Solidifying soil test specimen is placed in transparent cylinder body bottom, the butter can be filled up completely concrete sample side wall and transparent cylinder inboard wall it
Between gap；
Step 10, from top to bottom the assembling of cleaning device, transparent cylinder and drainage arrangement is finished, and by the height of cleaning device
Force feed water pipe is connected to high-pressure water；
Step 11, handle is turned on the switch, by high-pressure nozzle to the pervious concrete test specimen high-pressure injection for having cleaned butter
Clear water n seconds；
Step 12, the intracorporal pervious concrete test specimen of transparent tube is taken out, the butter on pervious concrete test specimen side is wiped,
Pervious concrete test specimen is put into high temperature drying box and continuous high temperature is dried, drying time period is not less than for 24 hours, and measures the test specimen
Clay content；.
Step 13, the pervious concrete test specimen after drying is taken out, records the mould of pervious concrete test specimen after high-pressure wash
Quasi- coefficient of permeability.
Specific step is as follows for the silt test:
Step 1, after the sample for obtaining pervious concrete test specimen, pervious concrete test specimen is dried, it is initial to measure it
State quality is m1, the time that the pervious concrete test specimen is dried was not less than 2 hours；
Step 2, the pervious concrete test specimen after experiment drying is placed on electronic scale and is weighed, measure permeable coagulation
Native test specimen and the total m of internal Sediment quality2；
Step 3, the pervious concrete test specimen clay content after experiment is m2-m1。
Specific step is as follows for the porosity measurement:
The volume for measuring pervious concrete test specimen after pervious concrete test specimen is tested is V, then by test specimen in water
Middle immersion for 24 hours, and tests the quality m of test specimen in water3, then test specimen is air-dried for 24 hours, surveys its quality m4, the density of water is ρWater,
The then porosity P of pervious concrete test specimen are as follows:
The calculation method of the coefficient of permeability is as follows: if coefficient of permeability of the test pervious concrete under sewage state,
It is then put into experiment sewage in storage cylinder of water, if only testing the coefficient of permeability of pervious concrete itself, is put into storage cylinder of water clear
Water；Before test, the water measured in storage cylinder of water is V, when test, starts timing while opening storage cylinder of water discharge outlet, until storing
Water in water drum terminates timing when being discharged into adjutage completely, the timing overboard time is t, calculates the coefficient of permeability of pervious concrete
For
The beneficial effect of a kind of pervious concrete blocking of the present invention and repair mechanism simulator and its analogy method is: will
Water-storing device and cleaning device are separately independently arranged, and are arranged by water-storing device to pervious concrete test specimen sewage effluent simulated precipitation
Dirty process is cleaned road surface process to pervious concrete test specimen high-pressure injection clear water simulated high-pressure hydraulic giant by cleaning device, is passed through
Drying box dries simulation concrete road surface solar exposure process；By during test experiments pervious concrete test specimen contain mud
The variation tendency of the parameters such as amount, whole porosity, coefficient of permeability and blocking simulated time, is subsequent pervious concrete pavement
Design and later period clean and maintenance effectively data reference is provided, and simple and convenient, data are reliable.Mentioned by the present invention
The clay content of pervious concrete test specimen represent the remaining clay content of practical pervious concrete pavement, the hole of pervious concrete test specimen
Gap rate represents the degree of porosity inside practical pervious concrete pavement, and the coefficient of permeability of pervious concrete event represents practical permeable
The water permeability of concrete road surface.
Detailed description of the invention
Fig. 1 is the structure principle chart of a kind of pervious concrete blocking of the present invention and repair mechanism simulator.
Fig. 2 is the structure principle chart of a kind of pervious concrete blocking of the present invention and the transparent cylinder of repair mechanism simulator.
Fig. 3 is the structure principle chart of a kind of pervious concrete blocking of the present invention and repair mechanism simulator water-storing device.
Fig. 4 is the structure principle chart of a kind of pervious concrete blocking of the present invention and repair mechanism simulator cleaning device.
Fig. 5 is the structure principle chart of a kind of pervious concrete blocking of the present invention and repair mechanism simulator drainage arrangement.
Appended drawing reference: 1, pervious concrete test specimen；2, transparent cylinder；3, level scale；4, storage cylinder of water；5, storage cylinder of water drains
Mouthful；6, storage cylinder of water water inlet；7, top seal nipple；8, wash bowl；9, high-pressure nozzle；10, high pressure flow pipe；11, handle is switched
Hand；12, adjutage；13, sewage effluent；14, bottom rubber seal connector；15, strainer.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
As shown in Figure 1, a kind of pervious concrete blocking and repair mechanism simulator, it is characterised in that: including transparent tube
Body (2), water-storing device, cleaning device and drainage arrangement；
The transparent cylinder 2 is made of transparent acrylic, and 2 inner bottom of transparent cylinder is provided with desirable
Pervious concrete test specimen 1 out；
The water-storing device includes storage cylinder of water 4, and 4 bottom centre position of storage cylinder of water is provided with storage cylinder of water discharge outlet
5, the top of the storage cylinder of water 4 is provided with storage cylinder of water water inlet 6, and 4 bottom surface of storage cylinder of water is provided with top seal nipple
7, the top seal nipple 7 is connect with transparent 2 top opening removable seal of cylinder；
The cleaning device includes wash bowl 8, and 8 bottom centre position of wash bowl is provided with high-pressure nozzle 9, the height
Force feed water pipe 10 passes through 8 inside of wash bowl and is connected to high-pressure nozzle 9, and 10 other end of high pressure flow pipe is connected to high-pressure water, high
Water valve is provided in force feed water pipe 10, the water valve is fixedly connected with switch handle 11, and 8 bottom surface of wash bowl is provided with
Top seal nipple 7, the top seal nipple 7 are connect with transparent 2 top opening removable seal of cylinder；
The drainage arrangement includes adjutage 12, and adjutage water inlet is provided at the top of the adjutage 12, described
12 top surface of adjutage be provided with bottom rubber seal connector 14, the bottom rubber seal connector 14 is along adjutage water inlet
Edge setting, the 12 sidewall bottom edge of adjutage are provided with sewage effluent 13, bottom rubber seal connector 14 and thoroughly
The connection of 2 bottom opening removable seal of placket body.
In the present embodiment, level scale 3 is provided on the outer wall of transparent cylinder 2, level scale 3 is used in transparent cylinder 2
When inside there is ponding, the water accumulating volume of bucket internal water accumulation is read.
In the present embodiment, strainer 15 is removably fixedly installed in adjutage water inlet.Strainer 15 is for recycling sewage
In residue, by clay content test and sewage in soil content data compare, pervious concrete test specimen 1 can be confirmed and contained
The validity of mud amount.
In the present embodiment, transparent 2 cross section of inboard wall of cylinder is square, and the level of the pervious concrete test specimen 1 is cut
Face is square, and the horizontal cross-section side length of the pervious concrete test specimen 1 is less than transparent 2 cross section of inboard wall side length of cylinder, institute
Butter is filled between 2 inner wall of 1 side wall of pervious concrete test specimen stated and transparent cylinder.
The further transparent cylinder 2 uses transparent acrylic to surround cross sectional dimensions as 101mm*101mm's
Cylinder.
Further, the specification of pervious concrete test specimen 1 be 100mm*100mm*100mm, the level scale 3 by away from
It rises and upwardly extends from transparent 2 bottom edge 100mm of cylinder.
In the present embodiment, top seal nipple 7 and bottom rubber seal connector 14 are all made of elastic rubber material and are made, institute
The top seal nipple 7 and 14 cross section of inboard wall of bottom rubber seal connector stated are square.
When transparent 2 end of cylinder is embedded in top seal nipple 7 and bottom rubber seal connector 14, due to elastic rubber
The elasticity of material, top seal nipple 7 and bottom rubber seal connector 14 tightly compress transparent 2 end of cylinder, realize watertight.
Further, 5 bore of storage cylinder of water discharge outlet of 4 bottom of storage cylinder of water setting is larger, for quickly will be in storage cylinder of water 4
Sewage is discharged into transparent cylinder 2, and the switch state of storage cylinder of water discharge outlet 5 is controlled using the relay mould group of wireless control,
High pressure flow pipe 10 passes through 8 inside of wash bowl and is connected to high-pressure nozzle 9, since the hydraulic pressure of high-pressure nozzle can be set in advance, therefore
Quantitative water spray is realized by the duration of control high-pressure nozzle cleaning.
In the present embodiment, butter is industrial butter, and due to its thick feature, butter is applied to pervious concrete examination
Between 2 inner wall of 1 side wall of part and transparent cylinder, the leakage of experiment sewage can be prevented.
The analogy method of a kind of blocking of pervious concrete and repair mechanism, it is characterised in that: pass through simulation pervious concrete
Process test specimen 1 blocking and repaired, further obtains the silt storage limit and optimal clean work of pervious concrete test specimen 1
Condition, the specific steps are as follows:
Step 1, according to the wastewater parameters data of target, soil and clear water are mixed to concentration needed for being formed in proportion
Test sewage sample；
Step 2, the sample for obtaining pervious concrete test specimen 1 carries out porosity measurement to pervious concrete test specimen 1, obtains
The whole porosity of the test specimen 1, and measure the quality m of the original state of pervious concrete test specimen 11；
Step 3, one layer of butter is uniformly smeared into the side of pervious concrete test specimen 1, and pervious concrete test specimen 1 is placed in
Transparent 2 bottom of cylinder, the butter can be filled up completely the gap between 2 inner wall of 1 side wall of concrete sample and transparent cylinder；
Step 4, from top to bottom the assembling of water-storing device, transparent cylinder 2 and drainage arrangement is finished, closes storage cylinder of water discharge outlet
And experiment sewage sample is passed through into the injection storage cylinder of water 4 of storage cylinder of water water inlet 6；
Step 5, start timing while opening storage cylinder of water discharge outlet, until the experiment sewage row of being discharged into completely in storage cylinder of water
Terminate timing when in water drum, timing time is to block simulated time for the first time, while calculating the coefficient of permeability of blocking simulation for the first time；
Step 6, it when the experiment sewage in storage cylinder of water 4 is discharged into adjutage 12 completely through pervious concrete test specimen 1, takes
Pervious concrete test specimen 1 in transparent cylinder 2 out, wipes the butter on 1 side of pervious concrete test specimen；
Step 7, the pervious concrete test specimen 1 for having cleaned butter is put into high temperature drying box and continuous high temperature is dried, dried
Dry duration is not less than for 24 hours, and measures the clay content of the test specimen 1；.
Step 8, the pervious concrete test specimen 1 that butter has been cleaned after drying is taken out, repeats step 2 to step 7, recycles N
Secondary, coefficient of permeability is simulated in the whole porosity of the test specimen 1, blocking simulated time and blocking to record each time；
Step 9, one layer of butter is uniformly smeared in the side of the pervious concrete test specimen 1 after n-th being dried, and will be permeable mixed
Solidifying soil test specimen 1 is placed in transparent 2 bottom of cylinder, and the butter can be filled up completely in 1 side wall of concrete sample and transparent cylinder 2
Gap between wall；
Step 10, from top to bottom the assembling of cleaning device, transparent cylinder 2 and drainage arrangement is finished, and by cleaning device
High pressure flow pipe 10 is connected to high-pressure water；
Step 11, handle 11 is turned on the switch, by high-pressure nozzle 9 to 1 high pressure of pervious concrete test specimen for having cleaned butter
Injection clear water n seconds；
Step 12, the pervious concrete test specimen 1 in transparent cylinder 2 is taken out, the Huang on 1 side of pervious concrete test specimen is wiped
Pervious concrete test specimen 1 is put into high temperature drying box and continuous high temperature is dried by oil, and drying time period is not less than for 24 hours, and measuring should
The clay content of test specimen 1；.
Step 13, the pervious concrete test specimen 1 after drying is taken out, pervious concrete test specimen 1 after record high-pressure wash
Simulate coefficient of permeability.
Specific step is as follows for the silt test:
Step 1, after the sample for obtaining pervious concrete test specimen 1, pervious concrete test specimen 1 is dried, at the beginning of measuring it
Beginning state quality is m1, the time that the pervious concrete test specimen 1 is dried was not less than 2 hours；
Step 2, the pervious concrete test specimen 1 after experiment drying is placed on electronic scale and is weighed, measured permeable mixed
Solidifying soil test specimen 1 and the total m of internal Sediment quality2；
Step 3,1 clay content of pervious concrete test specimen after experiment is m2-m1。
Specific step is as follows for the porosity measurement:
The volume for measuring pervious concrete test specimen 1 after pervious concrete test specimen 1 is tested is V, and then test specimen exists
It is impregnated for 24 hours in water, and tests the quality m of test specimen in water3, then test specimen is air-dried for 24 hours, surveys its quality m4, the density of water is
ρWater, then the porosity P of pervious concrete test specimen 1 are as follows:
The calculation method of the coefficient of permeability is as follows: if coefficient of permeability of the test pervious concrete under sewage state,
It is then put into experiment sewage in storage cylinder of water, if only testing the coefficient of permeability of pervious concrete itself, is put into storage cylinder of water clear
Water；Before test, the water measured in storage cylinder of water is V, when test, starts timing while opening storage cylinder of water discharge outlet, until storing
Water in water drum terminates timing when being discharged into adjutage completely, the timing overboard time is t, calculates the coefficient of permeability of pervious concrete
For
In the present embodiment, by water-storing device to pervious concrete test specimen sewage effluent simulated precipitation blowdown process, pass through
Cleaning device cleans road surface process to pervious concrete test specimen high-pressure injection clear water simulated high-pressure hydraulic giant, dries mould by drying box
Quasi- concrete road surface solar exposure process；The clay content of pervious concrete test specimen mentioned by the present invention represents practical permeable coagulation
The remaining clay content in soil surface, the porosity of pervious concrete test specimen represent the hole journey inside practical pervious concrete pavement
Degree, the coefficient of permeability of pervious concrete event represent the water permeability of practical pervious concrete pavement.Pass through test experiments process
The variation tendency of the parameters such as clay content, blocking simulated time, coefficient of permeability and the porosity of middle pervious concrete test specimen, after being
The design and later period clean and maintenance of continuous pervious concrete pavement provide effectively data reference, and simple and convenient, number
According to reliable.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (10)
1. a kind of pervious concrete blocking and repair mechanism simulator, it is characterised in that: filled including transparent cylinder (2), water storage
It sets, cleaning device and drainage arrangement；
The transparent cylinder (2) is made of transparent acrylic, and described transparent cylinder (2) inner bottom is provided with desirable
Pervious concrete test specimen (1) out；
The water-storing device includes storage cylinder of water (4), and the storage cylinder of water (4) bottom centre position is provided with storage cylinder of water discharge outlet
(5), it is provided with storage cylinder of water water inlet (6) at the top of the storage cylinder of water (4), the storage cylinder of water (4) bottom surface is provided with top
Seal nipple (7), the top seal nipple (7) are connect with transparent cylinder (2) top opening removable seal；
The cleaning device includes wash bowl (8), and wash bowl (8) bottom centre position is provided with high-pressure nozzle (9), described
High pressure flow pipe (10), which passes through, to be connected to inside wash bowl (8) with high-pressure nozzle (9), high pressure flow pipe (10) other end and high pressure water
Source connection, high pressure flow pipe (10) is interior to be provided with water valve, and the water valve is fixedly connected with switch handle (11), the cleaning
Cylinder (8) bottom surface is provided with top seal nipple (7), and the top seal nipple (7) and transparent cylinder (2) top opening are removable
Unload sealed connection；
The drainage arrangement includes adjutage (12), is provided with adjutage water inlet at the top of the adjutage (12), described
Adjutage (12) top surface be provided with bottom rubber seal connector (14), the bottom rubber seal connector (14) is along adjutage
The setting of water inlet edge, the adjutage (12) sidewall bottom edge is provided with sewage effluent (13), bottom rubber seal
Connector (14) is connect with transparent cylinder (2) bottom opening removable seal.
2. a kind of pervious concrete blocking as described in claim 1 and repair mechanism simulator, it is characterised in that: described
Level scale (3) are provided on the outer wall of transparent cylinder (2).
3. a kind of pervious concrete blocking as described in claim 1 and repair mechanism simulator, it is characterised in that: described
Strainer (15) are removably fixedly installed in adjutage water inlet.
4. a kind of pervious concrete blocking as described in claim 1 and repair mechanism simulator, it is characterised in that: described
Transparent cylinder (2) cross section of inboard wall is square, and the horizontal cross-section of the pervious concrete test specimen (1) is square, described
Pervious concrete test specimen (1) horizontal cross-section side length be less than transparent cylinder (2) cross section of inboard wall side length, the permeable coagulation
Butter is filled between native test specimen (1) side wall and transparent cylinder (2) inner wall.
5. a kind of pervious concrete blocking as claimed in claim 4 and repair mechanism simulator, it is characterised in that: described
Top seal nipple (7) and bottom rubber seal connector (14) are all made of elastic rubber material and are made, and the top sealing connects
Head (7) and bottom rubber seal connector (14) cross section of inboard wall is square.
6. a kind of pervious concrete blocking as claimed in claim 4 and repair mechanism simulator, it is characterised in that: described
Butter is industrial butter.
7. the analogy method of a kind of pervious concrete blocking and repair mechanism, it is characterised in that: pass through simulation pervious concrete examination
Process part (1) blocking and repaired, further obtains the silt storage limit and optimal clean of pervious concrete test specimen (1)
Operating condition, the specific steps are as follows:
Step 1, according to the wastewater parameters data of target, soil and clear water are mixed to the experiment of concentration needed for being formed in proportion
Sewage sample；
Step 2, the sample for obtaining pervious concrete test specimen (1) carries out porosity measurement to pervious concrete test specimen (1), thus
The whole porosity of the test specimen (1) is obtained, and measures the quality m of the original state of pervious concrete test specimen (1)1；
Step 3, one layer of butter is uniformly smeared into the side of pervious concrete test specimen (1), and pervious concrete test specimen (1) is placed in
Transparent cylinder (2) bottom, the butter can be filled up completely between concrete sample (1) side wall and transparent cylinder (2) inner wall
Gap；
Step 4, from top to bottom the assembling of water-storing device, transparent cylinder (2) and drainage arrangement is finished, closes storage cylinder of water discharge outlet
(5) and by experiment sewage sample pass through storage cylinder of water water inlet (6) injection storage cylinder of water (4)；
Step 5, start timing while opening storage cylinder of water discharge outlet (5), until the experiment sewage in storage cylinder of water (4) is discharged into completely
Adjutage (12) terminates timing when interior, timing time is to block simulated time for the first time, while it is saturating to calculate blocking simulation for the first time
Water coefficient；
Step 6, when the experiment sewage in storage cylinder of water (4) completely through pervious concrete test specimen (1) be discharged into adjutage (12) it is interior when,
The pervious concrete test specimen (1) in transparent cylinder (2) is taken out, the butter on pervious concrete test specimen (1) side is wiped；
Step 7, the pervious concrete test specimen (1) for having cleaned butter is put into high temperature drying box and continuous high temperature is dried, drying
Duration is not less than for 24 hours, and measures the clay content of the test specimen (1)；.
Step 8, the pervious concrete test specimen (1) that butter will have been cleaned after drying takes out, and repeats step 2 to step 7, recycles n times,
Coefficient of permeability is simulated in the whole porosity of the test specimen (1), blocking simulated time and blocking to record each time；
Step 9, one layer of butter is uniformly smeared in the side of the pervious concrete test specimen (1) after n-th being dried, and by permeable coagulation
Native test specimen (1) is placed in transparent cylinder (2) bottom, and the butter can be filled up completely concrete sample (1) side wall and transparent tube
Gap between body (2) inner wall；
Step 10, from top to bottom the assembling of cleaning device, transparent cylinder (2) and drainage arrangement is finished, and by the height of cleaning device
Force feed water pipe (10) is connected to high-pressure water；
Step 11, handle (11) are turned on the switch, it is high to the pervious concrete test specimen (1) for having cleaned butter by high-pressure nozzle (9)
Pressure injection clear water n seconds；
Step 12, the pervious concrete test specimen (1) in transparent cylinder (2) is taken out, is wiped on pervious concrete test specimen (1) side
Pervious concrete test specimen (1) is put into high temperature drying box and continuous high temperature is dried by butter, and drying time period is not less than for 24 hours, and surveys
The clay content of the fixed test specimen (1)；.
Step 13, the pervious concrete test specimen (1) after drying is taken out, pervious concrete test specimen (1) after record high-pressure wash
Simulate coefficient of permeability.
8. the analogy method of a kind of pervious concrete blocking as claimed in claim 7 and repair mechanism, it is characterised in that: described
Silt test specific step is as follows:
Step 1, after the sample for obtaining pervious concrete test specimen (1), pervious concrete test specimen (1) is dried, at the beginning of measuring it
Beginning state quality is m1, the time that the pervious concrete test specimen (1) is dried was not less than 2 hours；
Step 2, the pervious concrete test specimen (1) after experiment drying is placed on electronic scale and is weighed, measure permeable coagulation
Native test specimen (1) and the total m of internal Sediment quality2；
Step 3, pervious concrete test specimen (1) clay content after experiment is m2-m1。
9. the analogy method of a kind of pervious concrete blocking as claimed in claim 7 and repair mechanism, it is characterised in that: described
Porosity measurement specific step is as follows:
The volume for measuring pervious concrete test specimen (1) after pervious concrete test specimen (1) is tested is V, and then test specimen exists
It is impregnated for 24 hours in water, and tests the quality m of test specimen in water3, then test specimen is air-dried for 24 hours, surveys its quality m4, the density of water is
ρWater, then the porosity P of pervious concrete test specimen (1) are as follows:
10. the analogy method of a kind of pervious concrete blocking as claimed in claim 7 and repair mechanism, it is characterised in that: institute
The calculation method for the coefficient of permeability stated is as follows: if coefficient of permeability of the test pervious concrete under sewage state, in storage cylinder of water
In be put into experiment sewage, if only test pervious concrete itself coefficient of permeability, clear water is put into storage cylinder of water；Before test,
The water measured in storage cylinder of water is V, when test, starts timing while opening storage cylinder of water discharge outlet (5), until storage cylinder of water (4)
Interior water be discharged into completely adjutage (12) it is interior when terminate timing, the timing overboard time is t, calculates the coefficient of permeability of pervious concrete
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