CN106841579A - The performance test of pervious concrete mixture, characterizing method and detection means - Google Patents
The performance test of pervious concrete mixture, characterizing method and detection means Download PDFInfo
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- CN106841579A CN106841579A CN201710250439.3A CN201710250439A CN106841579A CN 106841579 A CN106841579 A CN 106841579A CN 201710250439 A CN201710250439 A CN 201710250439A CN 106841579 A CN106841579 A CN 106841579A
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- staving
- pervious concrete
- concrete mixture
- bung
- diameter
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- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 239000011380 pervious concrete Substances 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000011056 performance test Methods 0.000 title claims description 13
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 238000011156 evaluation Methods 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 8
- 239000002932 luster Substances 0.000 claims description 5
- 235000019994 cava Nutrition 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000036314 physical performance Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of pervious concrete mix physical performance and test characterizing method, three~tetra- layers are uniformly charged in a detection bucket pervious concrete mixture point by it, plugged and pounded 25~30 times along helix ecto-entad using concrete formation tamper after loading pervious concrete mixture every time, top layer is plugged and pounded after finishing, unnecessary concrete is scraped off, makes the upper surface of pervious concrete mixture concordant with the upper surface of staving；Bung is then covered, is placed on a levelling bench after detection bucket is spun upside down, and lentamente vertically lift staving, staving is separated with pervious concrete mixture and bung, grading evaluation is carried out to it finally by observation pervious concrete mixture mode of appearance.
Description
Technical field
The present invention relates to concrete NDT technical field, more particularly to a kind of performance test of pervious concrete mixture, table
Levy method and detection means.
Background technology
In recent years, with the continuous propulsion of Process of Urbanization Construction, urban waterlogging, city noise, city that urban construction brings
The problems such as atmosphere pollution, exhausted urban groundwater, tropical island effect, increasingly manifests.2013, the Party Central Committee proposed that building nature accumulates,
Naturally osmotic, the sponge city concept of self-purification, national sponge urban construction raise the curtain.
Pervious concrete is because with permeable, ventilative, sqouynd absorption lowering noise, reducing airborne dust, purifying water body, improvement urban surface soil
The function such as ecological environment, alleviation rainwash and urban heat land effect, in pavement, shopping mall, lightweight road, park cell
Interior road, large-scale square, various new sports places, parking lot, construct the places such as dykes and dams, shore protection and freeway road shoulder bank protection
It is used widely in construction, is the main flow permeable pavement material of sponge urban construction.Pervious concrete mixture was paving
There is a problem of that mixture cohesiveness is poor, it is smooth to be difficult in journey sometimes, when polishing treatment is carried out to its surface using sanding machine
There is rubble to be dispersed to surrounding, bring larger difficulty of construction and potential safety hazard.But at present only for pervious concrete paving in industry
If the after-hardening performance after maintenance specify that the detection method and index request of correlation, but harden it for pervious concrete
Whether preceding service behaviour, particularly characterizes the uniform package aggregate particle of its slurry and is easy to construction paving and leveling again, forms porous
The performance evaluation of structure there is no feasible and simple and easy to do method so far, traditional normal concrete slump test equipment also without
Method characterizes the coherency of pervious concrete, and this undoubtedly judges that pervious concrete premixing degree and pervious concrete are pushed away to detection
Wide use causes very big puzzlement.
The content of the invention
An object of the present invention is to provide a kind of performance test of pervious concrete mixture and characterizing method.
Realizing the technical scheme of the object of the invention one is, a kind of performance test of pervious concrete mixture and characterizing method,
It is comprised the following steps：
1）By pervious concrete mixture point, three~tetra- layers are uniformly charged in detection bucket, and pervious concrete mix is loaded every time
Plugged and pounded 25~30 times along helix ecto-entad using concrete formation tamper after thing, top layer is plugged and pounded after finishing, it is unnecessary to scrape off
Concrete, it is and floating with spatula, make the upper surface of pervious concrete mixture concordant with the upper surface of staving；Wherein, it is described
Detection bucket includes to be kept when the staving of a cylindrical type and an inversion bung of level, the upper surface a diameter of 36 of the staving
~360mm, a diameter of 34~345mm of the bottom of staving, staving are highly 31~310mm, upper surface diameter, the diameter of bottom
And staving height number increases and decreases in the same direction, the diameter of the upper surface diameter slightly larger than the bottom of staving of the staving, the staving
Bottom offer passage；
2）Bung is covered, is placed on a levelling bench after detection bucket is spun upside down, and lentamente vertically lift staving, make staving
Separated with pervious concrete mixture and bung；
3）Grading evaluation：Observation lifts pervious concrete mixture mode of appearance after staving, according to the mode of appearance to permeable mixed
The service behaviour of solidifying soil mixture is characterized：
Pervious concrete mixture all caves in immediately, aggregate pine, mattness are A grades, partly cave in immediately, aggregate slightly
Loosely, surface is B grades without obvious gloss, and A grades shows that the mixture ratio of mud is too small with B grades；
What pervious concrete mixture holding container shape, aggregate surface had metallic luster is C grades, and C grades shows the permeable coagulation
Native mixture service behaviour is good；
Blow slowly avalanche, aggregate surface of pervious concrete mixture has metallic luster for D grade, and whole is caved in, has slurry to trickle immediately
Be E grades, D grades shows that the mixture ratio of mud is excessive with E grades.
Further, the shape of the bung matches with loop-shaped in the upper surface of staving, when covering bung, uses rubber
Hammer gently taps bung from top to bottom, makes bung surface concordant with the upper surface of staving.
Further, a diameter of 160~190mm in the upper surface of the staving, the bottom of staving a diameter of 155~
185mm, staving is highly 150~170mm, and the number range inner drum is of moderate size, and characterizes degree of accuracy highest.
The pervious concrete mixture performance test sign method that one of the object of the invention is realized realizes permeable to characterizing
Concrete mix slurry uniform package aggregate particle is easy to construct paving and leveling, the performance that can form stabilization loose structure again
Evaluate, prevent that the problems such as mixture cohesiveness is poor, be difficult smooth, slurry sinks occurs in paving process.The method is simple and practical,
Judge reliable, it is ensured that construction quality simultaneously improves the security of construction.
The two of the object of the invention are to provide a kind of for foregoing pervious concrete mixture performance test sign method
The bung of level can be kept when detection means, its staving for including a cylindrical type and an inversion, the upper surface of the staving is straight
Slightly larger than the diameter of the bottom of staving, the bottom of the staving offers several equally distributed passages in footpath.
Further, the shape of the bung matches with loop-shaped in the upper surface of staving, and bung is separated with staving
Structure is easy to the demoulding.
The detection means that the object of the invention two is realized can be used for preforming to pervious concrete mixture slurry, be carried after inversion
Staving is played, by observing pervious concrete mixture mode of appearance, performance is characterized to it carries out grading evaluation, with structure letter
Single, advantage easy to process.
Brief description of the drawings
Fig. 1 is the perspective structure assembling schematic diagram of detection means described in the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention in detection means spin upside down rear pervious concrete mixture structural representation.
Specific embodiment
Present pre-ferred embodiments are described further below in conjunction with accompanying drawing.
Embodiment 1
As shown in figure 1, a kind of detection means that method is characterized for the performance test of pervious concrete mixture, it includes a cylinder
The staving 1 and one of type can keep the bung 2 of level when being inverted, the diameter H of the upper surface 11 of the staving is 179 ± 2mm, bucket
The diameter K of the bottom 12 of body is 173 ± 2mm, and staving highly is 154 ± 2mm, the bottom 12 of the staving offer it is several uniformly
The passage 121 of distribution, the shape of the bung 2 matches with loop-shaped in the upper surface 11 of staving.
Embodiment 2-5
The barrel-shaped shape of detection of embodiment 2-5 is same as Example 1, and difference is different size.Concrete numerical value is as shown in table 1
Table 1：
Present invention also offers a kind of performance test of pervious concrete mixture and characterizing method, it is comprised the following steps：
1）By pervious concrete mixture point, three~tetra- layers are uniformly charged in staving 1, and pervious concrete mixture is loaded every time
Plugged and pounded 25~30 times along helix ecto-entad using concrete formation tamper afterwards, top layer is plugged and pounded after finishing, it is unnecessary to scrape off
Concrete, and it is floating with spatula, make the upper surface of pervious concrete mixture concordant with the upper surface 11 of staving；
2）Bung 2 is covered, bung 2 is gently tapped from top to bottom with rubber hammer, make the surface of bung 2 flat with the upper surface 11 of staving
Together, then will detection bucket spin upside down after be placed on a levelling bench, and lentamente vertically lift staving, make staving 1 with it is permeable
Concrete mix and bung 2 are separated；
3）Grading evaluation：Observation lifts pervious concrete mixture mode of appearance after staving, and pervious concrete mixture is complete immediately
Portion caves in, aggregate pine, mattness are A grade, partly cave in immediately, aggregate slightly loosely, surface without obvious gloss be B
Level, A grades shows that the mixture ratio of mud is too small with B grades；Pervious concrete mixture holding container shape, aggregate surface have metal
Gloss is C grades, shows that the pervious concrete mixture service behaviour is good；Pervious concrete mixture blows slowly avalanche, aggregate
There is metallic luster on surface for D grade, all cave in immediately, have that slurry trickles be E grades, D grades and E grades and show the mixture ratio of mud
It is excessive.
The method use detection means size as described in Example 1, as shown in Fig. 2 lifting staving in the embodiment
Without caving in, without slurry trickling, pervious concrete mixture holding container shape, aggregate surface have gold to pervious concrete mixture afterwards
Category gloss, is assessed as C grades.Carry out common process to the pervious concrete to pave construction, smoothly, service behaviour is good for paving process
It is good, after after concrete hardening, not finding the pervious concrete construction common quality problems, outward appearance such as surface " falling stone ", bottom be hardened
Well.Drilling core examination its compression strength is carried out to it, intensity reaches 28.8MPa, meets design requirement.
A diameter of 36~the 360mm in upper surface of heretofore described staving, a diameter of 34~345mm of the bottom of staving,
Staving is highly 31~310mm, characterizes the degree of accuracy up to more than 90%, as a diameter of 160~190mm in the upper surface of the staving,
A diameter of 155~185mm of the bottom of staving, staving is highly the detection means size of manufacture in 150~170mm number ranges
It is moderate, the degree of accuracy is characterized up to more than 95%.
The area of bung of the present invention is not limited to shown in embodiment, it is also possible to more than the upper surface area of staving, but bung
Shape matches with loop-shaped in the upper surface of staving, then bung can be embedded in staving, during cylinder spins upside down just
Do not relatively moved with bung in operation, and cylinder, and be easy to the demoulding；Bung is concordant with staving upper surface in test process can
To ensure to load the highly consistent of mixture in detection cylinder every time；The surface texture of bung can be planar structure, it is also possible to set
Lines is put, as long as level can be kept when being inverted；The upper surface diameter of the staving is protected slightly larger than the diameter of the bottom of staving
Card staving is separated with pervious concrete mixture；The structure of bung is not limited to the smooth flat structure of diagram, it is also possible to smooth
The centrally disposed handle of plane, as long as level can be kept when ensureing that bung is inverted；The upper surface diameter of the staving, staving
The diameter of bottom and the height of staving be not limited to shown in embodiment, but the size save test equipment material while,
Ensure the degree of accuracy of test result；Ventilation effect is played in the setting of passage in operation, prevents pervious concrete mix
Thing cannot be separated with staving.
During operation, pervious concrete mixture points three~tetra- layers is loaded and the setting purpose of number of times to plugging and pounding is
The detection sample in charging apparatus is reached a uniformly densely optimum state, hierarchy number or plug and pound number of times and cross that I haven't seen you for ages causes dress
Put interior sample and be unable to reach uniform closely knit, hierarchy number or plug and pound number of times and crossing excessively closely knit, influence detection effect of can at most cause sample
Really.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
The equivalent flow conversion that bright description is made, or other related technical fields are directly or indirectly used in, similarly wrap
Include in scope of patent protection of the invention.
Claims (5)
1. a kind of performance test of pervious concrete mixture and characterizing method, it is characterised in that：It is comprised the following steps：
1）By pervious concrete mixture point, three~tetra- layers are uniformly charged in detection bucket, and pervious concrete mix is loaded every time
Plugged and pounded 25~30 times along helix ecto-entad using concrete formation tamper after thing, top layer is plugged and pounded after finishing, it is unnecessary to scrape off
Concrete, it is and floating with spatula, make the upper surface of pervious concrete mixture concordant with the upper surface of staving；Wherein, it is described
Detection bucket includes to be kept when the staving of a cylindrical type and an inversion bung of level, the upper surface a diameter of 36 of the staving
~360mm, a diameter of 34~345mm of the bottom of staving, staving are highly 31~310mm, upper surface diameter, the diameter of bottom
And staving height number increases and decreases in the same direction, the diameter of the upper surface diameter slightly larger than the bottom of staving of the staving, the staving
Bottom offer passage；
2）Bung is covered, is placed on a levelling bench after detection bucket is spun upside down, and lentamente vertically lift staving, make staving
Separated with pervious concrete mixture and bung；
3）Grading evaluation：Observation lifts pervious concrete mixture mode of appearance after staving, according to the mode of appearance to permeable mixed
The service behaviour of solidifying soil mixture is characterized：
Pervious concrete mixture all caves in immediately, aggregate pine, mattness are A grades, partly cave in immediately, aggregate slightly
Loosely, surface is B grades without obvious gloss, and A grades shows that the mixture ratio of mud is too small with B grades；Pervious concrete mixture
What holding container shape, aggregate surface had metallic luster is C grades, and C grades shows that the pervious concrete mixture service behaviour is good；
Blow slowly avalanche, aggregate surface of pervious concrete mixture has metallic luster for D grade, all caves in immediately, that have slurry trickling is E
Level, D grades shows that the mixture ratio of mud is excessive with E grades.
2. a kind of pervious concrete mixture performance test characterizes method, it is characterised in that：The shape of the bung and staving
Loop-shaped matches in upper surface, when covering bung, bung is gently tapped from top to bottom with rubber hammer, makes bung surface and staving
Upper surface it is concordant.
3. a kind of performance test of pervious concrete mixture and characterizing method, it is characterised in that：The upper surface diameter of the staving
It is 160~190mm, a diameter of 155~185mm of the bottom of staving, staving is highly 150~170mm.
4. it is a kind of for described in claim 1 performance test of pervious concrete mixture characterize method detection means, its feature
It is：The upper surface diameter of the bung of level, the staving can be kept to omit when its staving for including a cylindrical type and an inversion
More than the diameter of the bottom of staving, the bottom of the staving offers several equally distributed passages.
5. detection means according to claim 4, it is characterised in that：The shape of the bung and the upper surface inner ring of staving
Shape matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250439.3A CN106841579A (en) | 2017-04-17 | 2017-04-17 | The performance test of pervious concrete mixture, characterizing method and detection means |
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| CN201710250439.3A CN106841579A (en) | 2017-04-17 | 2017-04-17 | The performance test of pervious concrete mixture, characterizing method and detection means |
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| CN106841579A true CN106841579A (en) | 2017-06-13 |
Family
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| CN201710250439.3A Pending CN106841579A (en) | 2017-04-17 | 2017-04-17 | The performance test of pervious concrete mixture, characterizing method and detection means |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132152A (en) * | 2017-07-11 | 2017-09-05 | 华南理工大学 | A kind of servicing unit and method for being used to determine mortar apparent density |
| CN107290246A (en) * | 2017-07-11 | 2017-10-24 | 华南理工大学 | A kind of servicing unit and method for being used to determine concrete mix apparent density |
| CN107576781A (en) * | 2017-09-15 | 2018-01-12 | 中国葛洲坝集团勘测设计有限公司 | A kind of device and method for determining pervious concrete service behaviour |
| CN108414389A (en) * | 2018-02-02 | 2018-08-17 | 扬州大学 | Ecological permeable concrete detergent power analysis method |
| CN109387454A (en) * | 2018-12-18 | 2019-02-26 | 天能集团江苏特种电源有限公司 | Battery lead plaster device for detecting density, sampler and its detection method |
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Cited By (5)
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| CN109387454A (en) * | 2018-12-18 | 2019-02-26 | 天能集团江苏特种电源有限公司 | Battery lead plaster device for detecting density, sampler and its detection method |
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