CN108069642A - A kind of useless nylon yarn enhancing steady crushed stone material of recycled water - Google Patents
A kind of useless nylon yarn enhancing steady crushed stone material of recycled water Download PDFInfo
- Publication number
- CN108069642A CN108069642A CN201711178695.2A CN201711178695A CN108069642A CN 108069642 A CN108069642 A CN 108069642A CN 201711178695 A CN201711178695 A CN 201711178695A CN 108069642 A CN108069642 A CN 108069642A
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- China
- Prior art keywords
- nylon yarn
- fine aggregate
- construction refuse
- refuse regenerated
- useless
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00732—Uses not provided for elsewhere in C04B2111/00 for soil stabilisation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of useless nylon yarn enhancing steady crushed stone materials of recycled water, are made of construction refuse regenerated coarse-fine aggregate, cement, useless nylon yarn and four component of mixing water, each component content（Mass percent）For：Construction refuse regenerated coarse-fine aggregate 94%~96%；Cement 4%~6%；Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.1~0.5% of cement gross weight；Actual mixing water amount is construction refuse regenerated coarse-fine aggregate and the 5.1~7.1% of cement gross weight, and intensity is 4.0~6.0MPa；The present invention recycles waste and old building waste and discarded nylon yarn, new resources is opened up for base's building materials, available in expressway construction.
Description
Technical field
Useless nylon is utilized the invention belongs to a kind of in road engineering cement stabilized soil technical field more particularly to road engineering
Silk and construction refuse regenerated coarse-fine aggregate are made, can improve the water stability detritus material of draw problem.
Background technology
China has substantial amounts of building and structures to remove every year, and building castoff is more and more, however to building rubbish
The traditional method of rubbish is to transport countryside air storage and landfill to, and this way not only occupies substantial amounts of soil, causes peripheral ring
The pollution in border, simultaneously as the use of new material, natural sand stone material large scale mining, cause the wasting of resources, soil erosion, life
State is unbalance.The steady crushing technique of recycled water is exactly that building waste is carried out breaking, regenerating utilization, and according to the knot of structure sheaf after regeneration
Structure feature and intensity requirement are suitably added the new aggregate in part and other spikes, and are proportionally added into suitable water, prepare and build again
Pipeline material.
Water stability detritus is the preferable base material of high grade pavement, but easily generates crack.Use for reference high-tensile, Gao Mo
The successful experience that reinforcing fiber is applied to cement concrete constructions and lightweight construction is measured, glass fibers are mixed in water stability detritus material
It ties up the reinforcing fibers such as grid or is laid with geotextiles, it has also become a kind of new tool of enhancing water stability detritus pavement performance.It is but common
Reinforcing fiber and geotextiles add project cost when expensive, limit its application range.And China's nylon produces about 8 per year
Ten thousand tons, in its synthesis and process of reeling off raw silk from cocoons, 10% waste silk, short silk etc. are about generated, is abandoned everywhere, causes the wasting of resources
Waste, environmental pollution.Waste material and leftover bits and pieces of the waste and old nylon yarn for nylon in processing and manufacturing process, it is good still to possess nylon
Good physical and mechanical property and thermal stability can be used as reinforcing agent for rubber, cement products.It is waste and old compared with inorfil
Nylon yarn has many advantages, such as that density is small, cheap, recoverable.Compared with organic fiber, waste and old nylon yarn has intensity
The advantages that high, easily scattered.Therefore, waste and old nylon yarn is applied to recycling and the profit again that water stability detritus is conducive to promote waste and old nylon
With the development of promotion road Green Composites.
The content of the invention
The object of the present invention is to provide a kind of useless nylon yarn enhancing steady crushed stone materials of recycled water, to waste and old building waste and give up
It abandons nylon yarn to be recycled, new resources is opened up for base's building materials.
The object of the present invention is achieved like this：A kind of useless nylon yarn enhancing steady crushed stone material of recycled water, which is characterized in that
It is made of construction refuse regenerated coarse-fine aggregate, cement, useless nylon yarn and four component of mixing water, each component content (quality percentage
Than) be：
Construction refuse regenerated coarse-fine aggregate 94%~96%；
Cement 4%~6%；
Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.1~0.5% of cement gross weight；
Actual mixing water amount is construction refuse regenerated coarse-fine aggregate and the 5.1~7.1% of cement gross weight.
As the further restriction of the present invention, each component content (mass percent) is：
Construction refuse regenerated coarse-fine aggregate 94%；
Cement 6%；
Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.2% of cement gross weight；
Actual mixing water amount is construction refuse regenerated coarse-fine aggregate and the 7.1% of cement gross weight.
As the further restriction of the present invention, the construction refuse regenerated coarse-fine aggregate includes construction refuse regenerated coarse aggregate
With construction refuse regenerated fine aggregate, the technical indicator of construction refuse regenerated coarse aggregate is：Water absorption rate≤4.0%, apparent density >=
2500kg/m3, crush index≤15%, clay content ＜ 1.5%, flat-elongated particles content ＜ 5%, it is described construction refuse regenerated thin
The technical indicator of aggregate is plasticity index≤17.
As the further restriction of the present invention, the construction refuse regenerated coarse-fine aggregate includes construction refuse regenerated coarse aggregate
With construction refuse regenerated fine aggregate, the technical indicator of the construction refuse regenerated coarse aggregate is：It is water absorption rate=3.91%, apparent close
Degree=2641kg/m3, crush index=11%, clay content=0.6%, flat-elongated particles content=2.93%.The building rubbish
The technical indicator of rubbish recycled fine aggregate is plasticity index=12.
As the further restriction of the present invention, grain diameter≤19mm of the construction refuse regenerated coarse-fine aggregate, grading
Scope is：
As the further restriction of the present invention, the grain composition scope of the construction refuse regenerated coarse-fine aggregate is：
As the present invention further restriction, the useless nylon yarn length be 10-30mm, tensile strength >=900MPa.
As the present invention further restriction, the useless nylon yarn length be 20mm, tensile strength=986.0MPa.
Compared with prior art, the beneficial effects of the present invention are the present invention substitutes day using construction refuse regenerated aggregate
Right aggregate is constructed for soil cement base, is opened up new resources for base material, is opened on a large scale with solving natural sand stone material
Caused by adopting the problems such as the wasting of resources, soil erosion, disruption of ecological balance；Consider that useless nylon yarn is viscous in cement-based material simultaneously
Attached, shear lag, bridging and the retarding effect to water stability detritus draw extension, adding discarded nylon yarn improves water stability detritus crack resistance
Can, and open up new approach for useless nylon yarn recycling；The present invention can help to solve current natural sand stone material mining belt
The environmental pollution that comes, it is of high cost the problems such as, be effectively improved water stability detritus drying shrinkage and warm contracting problem.
Description of the drawings
Fig. 1 is the illustraton of model of water stability detritus material structure of the present invention.
Fig. 2 is the water stability detritus optimum moisture content schematic diagram of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention will be further described.
It is prepared by the following embodiment and its performance is detected, preparation method is as follows：
1st, sample prepares
Sample prepares to include the drying of recycled aggregate, sieving, weighs and infiltrate spare by match ratio；Due to recycled aggregate
Performance measurement understands that recycled aggregate water absorption rate is bigger, therefore the purpose infiltrated is in order to which recycled aggregate is made fully to absorb water, so as to protect
Demonstrate,prove the accurate of optimum moisture content；For the performance of recycled aggregate, the mainly water absorption rate to construction refuse regenerated aggregate, table of the invention
Density, crush index, clay content and flat-elongated particles content is seen to be detected.
2nd, match ratio is definite：
(1) grain composition of aggregate：It is provided to determine cement stabilized soil through trial and error procedure according to specification (JTG/T F20-2015)
Gradation composition scope.
(2) give up nylon yarn size and volume：
1. useless nylon yarn size：Considering that useless nylon yarn Size Distribution matches with the distribution of aggregate spacing enhances water stability detritus material
The characteristics of expecting structure and performance chooses the useless nylon yarn of 10-30mm according to aggregate size；
2. useless nylon yarn volume：Multiple and different volumes are designed, prepare corresponding test block, detect 7d unconfined compressive strengths, and
Draw situation is observed, determines that water stability detritus material shows to give up when intensity and nonshrink fragility energy the volume of nylon yarn, mainly
It is useless to form space net structure between nylon yarn, aggregate and cement mortar when reason is that useless nylon yarn volume is moderate, when outer masterpiece
Used time, useless nylon yarn effectively prevent relative displacement and the crack propagation between aggregate.
(3) optimum moisture content：Optimum moisture content and maximum dry density are determined by hit-solid experiment：First look for related data
Then prediction to optimum moisture content scope carries out hit-solid experiment respectively to different water cut with same soil sample.By compaction cylinder
Volume and cylinder in hit the gross weight of real soil, according to formula：Calculate wet density ρ, further according to measure moisture content ω,
The dry density of every group of different moisture content can be calculatedA tamping curve, the pole of tamping curve can be drawn
It is worth for maximum dry density ρdmax, corresponding water content is optimum moisture content ω0。
(4) cement dose：According to the cement dose value range of specification suggestion, different cement doses are determined, by 7d without side
Limit compression strength experiment finally determines the cement dose for meeting design strength requirement.
Following three embodiments are obtained according to above-mentioned implementation.
Embodiment 1
A kind of useless nylon yarn enhancing steady crushed stone material of recycled water, by construction refuse regenerated coarse-fine aggregate, cement, useless nylon yarn
And four component of mixing water composition, each component content (mass percent) are：Construction refuse regenerated coarse-fine aggregate 94%；Cement
6%；Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.2% of cement gross weight；Actual mixing water amount is building
Garbage regeneration coarse-fine aggregate and the 7.1% of cement gross weight, the technical indicator of the construction refuse regenerated coarse aggregate are：Water absorption rate=
3.91%th, apparent density=2641kg/m3, crush index=11%, clay content=0.6%, flat-elongated particles content=
2.93%, the technical indicator of the construction refuse regenerated fine aggregate is plasticity index=12, the construction refuse regenerated thickness bone
Grain diameter≤19mm of material, grading limit are：
, the useless nylon yarn length be 10mm, tensile strength=986MPa.
Embodiment 2
A kind of useless nylon yarn enhancing steady crushed stone material of recycled water, by construction refuse regenerated coarse-fine aggregate, cement, useless nylon yarn
And four component of mixing water composition, each component content (mass percent) are：Construction refuse regenerated coarse-fine aggregate 95%；Cement
5%；Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.1% of cement gross weight；Actual mixing water amount is building
Garbage regeneration coarse-fine aggregate and the 6.2% of cement gross weight, the technical indicator of the construction refuse regenerated coarse aggregate are：Water absorption rate=
3.91%th, apparent density=2641kg/m3, crush index=11%, clay content=0.6%, flat-elongated particles content=
2.93%, the technical indicator of the construction refuse regenerated fine aggregate is plasticity index=12, the construction refuse regenerated thickness bone
Grain diameter≤19mm of material, grading limit are：
, the useless nylon yarn length be 10-30mm, tensile strength=986MPa.
Embodiment 3
A kind of useless nylon yarn enhancing steady crushed stone material of recycled water, by construction refuse regenerated coarse-fine aggregate, cement, useless nylon yarn
And four component of mixing water composition, each component content (mass percent) are：Construction refuse regenerated coarse-fine aggregate 96%；Cement
4%；Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.5% of cement gross weight；Actual mixing water amount is building
Garbage regeneration coarse-fine aggregate and the 5.1% of cement gross weight, the technical indicator of the construction refuse regenerated coarse aggregate are：Water absorption rate=
3.91%th, apparent density=2641kg/m3, crush index=11%, clay content=0.6%, flat-elongated particles content=
2.93%, the technical indicator of the construction refuse regenerated fine aggregate is plasticity index=12, the construction refuse regenerated thickness bone
Grain diameter≤19mm of material, grading limit are：
, the useless nylon yarn length be 30mm, tensile strength=986MPa.
Detection method is as follows：
The optimum moisture content and maximum dry density determined according to hit-solid experiment determines the Forming Quality of the single test specimen of each group；
For grain soil in the stabilized with inorganic binder of aggregate size≤19mm, every group needs the test specimen quantity of equal state processed (i.e. parallel
The quantity of experiment) at least nine.With reaction frame and hydraulic jack product；It, should be immediately after test specimen is deviate from and weighed out of die trial
It is put into sealing wet box and thermostatic chamber and carries out heat and moisture preserving health.The 7th day of preserving period is last day, it should by test specimen
It impregnates in water, the depth of water should make the water surface about 2.5cm on test specimen top.Test specimen is put into the liter of pavement material intensity tester
(an oblate spheroid seat is first put on platform) on drop platform, carry out compression test.During experiment, the deformation constant speed of test specimen should be made increase, and protected
It is about lmm/min to hold rate；Record the maximum pressure P (N) when test specimen destroys；The testing record sheet of three embodiments is respectively table
1st, table 2, table 3.
Table 1
Table 2
Table 3
With current specifications《Highway road surface construction technology detailed rules and regulations》On Cement treated material in JTG/T F20-2015
7d age unconfined compressive strength standards compare, the present invention using construction refuse regenerated aggregate prepare Cement treated material (reality
Apply a 1-3), the requirement of highway and Class I highway heavy traffic base material can be met, while pass through non-nylon yarn
Addition, effectively improves nonshrink fragility energy.
The 7d age unconfined compressive strength standards R of Cement treated materiald(MPa)
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
Art personnel are not required performing creative labour that can make one to some of which technical characteristic according to disclosed technology contents
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (8)
1. a kind of useless nylon yarn enhancing steady crushed stone material of recycled water, which is characterized in that by construction refuse regenerated coarse-fine aggregate, water
Mud, useless nylon yarn and four component of mixing water composition, each component content (mass percent) are：
Construction refuse regenerated coarse-fine aggregate 94%~96%；
Cement 4%~6%；
Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.1~0.5% of cement gross weight；
Actual mixing water amount is construction refuse regenerated coarse-fine aggregate and the 5.1~7.1% of cement gross weight.
2. a kind of useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 1, which is characterized in that by building rubbish
Rubbish regeneration coarse-fine aggregate, cement, useless nylon yarn and four component of mixing water composition, each component content (mass percent) are：
Construction refuse regenerated coarse-fine aggregate 94%；
Cement 6%；
Useless nylon yarn volume is construction refuse regenerated coarse-fine aggregate and the 0.2% of cement gross weight；
Actual mixing water amount is construction refuse regenerated coarse-fine aggregate and the 7.1% of cement gross weight.
3. a kind of useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 1 or 2, which is characterized in that described
Construction refuse regenerated coarse-fine aggregate includes construction refuse regenerated coarse aggregate and construction refuse regenerated fine aggregate, construction refuse regenerated thick
The technical indicator of aggregate is：Water absorption rate≤4.0%, apparent density >=2500kg/m3, crush index≤15%, clay content ＜
1.5%th, flat-elongated particles content ＜ 5%, the technical indicator of the construction refuse regenerated fine aggregate is plasticity index≤17.
A kind of 4. useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 3, which is characterized in that the building
Garbage regeneration coarse-fine aggregate includes construction refuse regenerated coarse aggregate and construction refuse regenerated fine aggregate, described construction refuse regenerated thick
The technical indicator of aggregate is：Water absorption rate=3.91%, apparent density=2641kg/m3, crush index=11%, clay content=
0.6%th, flat-elongated particles content=2.93%.The technical indicator of the construction refuse regenerated fine aggregate is plasticity index=12.
5. a kind of useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 1 or 2, which is characterized in that described
Grain diameter≤19mm of construction refuse regenerated coarse-fine aggregate, grading limit are：
A kind of 6. useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 5, which is characterized in that the building
The grain composition scope of garbage regeneration coarse-fine aggregate is：
7. a kind of useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 1 or 2, which is characterized in that described
Nylon yarn length give up as 10-30mm, tensile strength >=900MPa.
A kind of 8. useless nylon yarn enhancing steady crushed stone material of recycled water according to claim 7, which is characterized in that the useless Buddhist nun
Nylon yarn length be 20mm, tensile strength=986.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711178695.2A CN108069642A (en) | 2017-11-23 | 2017-11-23 | A kind of useless nylon yarn enhancing steady crushed stone material of recycled water |
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| CN201711178695.2A CN108069642A (en) | 2017-11-23 | 2017-11-23 | A kind of useless nylon yarn enhancing steady crushed stone material of recycled water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110705A (en) * | 2020-08-25 | 2020-12-22 | 上海市政工程设计研究总院（集团）有限公司 | Self-repairing semi-rigid base material for recycling construction waste |
| CN112299779A (en) * | 2020-10-14 | 2021-02-02 | 首钢环境产业有限公司 | Inorganic mixture and preparation method thereof |
| CN113430881A (en) * | 2021-01-14 | 2021-09-24 | 绍兴文理学院 | Regenerated roadbed laying method based on solid waste full utilization |
| CN117923846A (en) * | 2024-03-25 | 2024-04-26 | 中铁二十三局集团有限公司 | Waste slag water stable material proportion externally doped with basalt fibers and evaluation method thereof |
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| CN106812040A (en) * | 2017-02-06 | 2017-06-09 | 西南石油大学 | A kind of light traffic Highway Pavement Structures using building waste as base material |
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| JPH03275548A (en) * | 1990-03-14 | 1991-12-06 | Asaoka Kk | Cement-based composite material containing organic polymer made of waste fiber reinforced plastic powder as aggregate and hardened body thereof |
| CN103936362A (en) * | 2014-03-24 | 2014-07-23 | 王欣 | Cement stabilizing soil based on regenerated concrete aggregates in different quality grades |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110705A (en) * | 2020-08-25 | 2020-12-22 | 上海市政工程设计研究总院（集团）有限公司 | Self-repairing semi-rigid base material for recycling construction waste |
| CN112299779A (en) * | 2020-10-14 | 2021-02-02 | 首钢环境产业有限公司 | Inorganic mixture and preparation method thereof |
| CN113430881A (en) * | 2021-01-14 | 2021-09-24 | 绍兴文理学院 | Regenerated roadbed laying method based on solid waste full utilization |
| CN117923846A (en) * | 2024-03-25 | 2024-04-26 | 中铁二十三局集团有限公司 | Waste slag water stable material proportion externally doped with basalt fibers and evaluation method thereof |
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