CN102190459B - Storable emulsified asphalt cold-patch mixture and preparation method and application thereof - Google Patents
Storable emulsified asphalt cold-patch mixture and preparation method and application thereof Download PDFInfo
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- CN102190459B CN102190459B CN 201010122059 CN201010122059A CN102190459B CN 102190459 B CN102190459 B CN 102190459B CN 201010122059 CN201010122059 CN 201010122059 CN 201010122059 A CN201010122059 A CN 201010122059A CN 102190459 B CN102190459 B CN 102190459B
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Abstract
The invention relates to a storable emulsified asphalt cold-patch mixture and a preparation method and application thereof. The storable emulsified asphalt cold-patch mixture consists of the following components in percentage by weight: 7 to 8 percent of emulsified asphalt, 5 to 6 percent of water, 1 to 2 percent of reinforcing agent, 1 to 3 percent of thixotropic agent and the balance of stone, wherein the emulsified asphalt consists of the following components in percentage by weight: 1.0 to 1.5 percent of emulsifying agent, 1 to 3 percent of thickening agent, 26.5 to 36.5 percent of water and the balance of No.70 asphalt. The storable emulsified asphalt cold-patch mixture has the advantages of convenience of manufacture, long storage time, no environmental pollution, convenience of construction, capacity of opening the traffic after construction and the like, and is suitable for repairing pot holes of asphalt pavements.
Description
Technical field
The present invention relates to a kind of mulseal cold-repairing material and its preparation method and application that stores, belong to the cold-repairing material of mulseal class.
Background technology
According to cementitious matter kind difference, to mainly contain with the polymer performed polymer be the compound of main additive and with the compound two big classes of lightweight oil content (mostly being diesel oil greatly) cut back bitumen as cementitious matter to cold repairing asphalt mixture on the present stage market.For example mention a kind of regenerated type road cold-repairing material among the CN 101008172A, adopt express highway pavement to wash to dig material, a small amount of new building stones, cold repairing additive, diesel oil and macromolecule to activate property-modifying additive and heat according to a certain ratio to mix and stir and form.Asphalt cold repairing additive among the CN 1810885A comprises styrene butadiene styrene block copolymer (SBS), resin, and solvent, mineral oil, styrene, diesel oil, pitch is formed.CN 1667045A mentions a kind of cold-patch liquid by the solvent composition of pitch, adhesion resin and solvent pitch and adhesion resin, is equipped with building stones and forms cold-repairing material.
With the polymer performed polymer be main additive compound and all mostly as the compound of cementitious matter with cut back bitumen be to contain lightweight oil content (mostly being diesel oil greatly), though this cold-repairing material has good construction workability, water stability, and the storage time is also long, but owing to contain more lightweight oil content in the compound, it is very slow to volatilize, and can bring adverse effect to intensity and the durability of compound.Mulseal class cold-repairing material can overcome this shortcoming.
Traditional Emulsified Asphalt Mixture is at the scene with mulseal, and mineral aggregate, powder etc. are mixed and made into Emulsified Asphalt Mixture by a certain percentage, after having constructed, must wait for emulsion breaking after, could open to traffic, and require disposable using.
Summary of the invention
The purpose of this invention is to provide a kind of mulseal cold-repairing material and its preparation method and application that stores, the existing good construction workability of this cold-repairing material, anti-water damage ability, and also the storage time is longer, gets final product open to traffic behind the compaction moulding.
A kind of mulseal cold-repairing material that stores of the present invention adopts mulseal as cementitious matter, is made of following component by weight percentage:
Mulseal 7～10%
Water 5～6%
Reinforcing agent 1～2%
Thixotropic agent 1～3%
The building stones surplus;
Described mulseal is made up of following compositions in weight percentage:
No. 70 pitch surpluses
Emulsifier 1.0～1.5%
Thickener 1～3%
Water 26.5～36.5%
Described emulsifier is for splitting the type anion emulsifier slowly.
Described thickener can obviously increase the viscosity of mulseal, guarantees the stability of mulseal.
Described thickener is one or more of sodium cellulosate, Sodium Polyacrylate, polyacrylamide, sodium alginate.
Described reinforcing agent is lignin fibre, polyester fiber, one or more of polyacrylonitrile fibre.
Described thixotropic agent can strengthen the denseness of mulseal cold-repairing material in storage process, prevent precipitated and separated, can make the mulseal cold-repairing material have flowability under external force again, guarantees construction workability.
Described thixotropic agent is the emulsion method polyoxyethylene, aerosil, diatomaceous one or more, preferred emulsion method polyoxyethylene and aerosil.
Described building stones are one or more in basalt, limestone, diabase, the granite etc.
Technological process preparation and use:
1) production procedure
With reinforcing agent, thixotropic agent, building stones mixed and stirred 1～2 minute, added water, and stirred 0.5～1 minute, and building stones are fully wetting, added mulseal then by prescription, stirred to seal after 1 minute to pack namely to get the mulseal cold-repairing material.
2) use
Rubble around reaching in the hole groove to be repaired, waste residue, ponding, dust etc. are cleaned out, evenly sprayed one deck sticking layer oil then.Take out an amount of mulseal cold-repairing material, pour in the groove of hole, the cold-repairing material outline is above ground level.After laying evenly, according to repairing environment on the spot, repairing area size and the degree of depth, select suitable compactor and method compacting for use, get final product open to traffic.
The performance test of cold-repairing material of the present invention:
(1) cohesiveness test
Get the part cold-repairing material, make marshal piece according to JTJ 052-2000 " highway asphalt and bituminous mixture experiment rules ", being placed on diameter then is 200 millimeters, and the aperture is to erect on 25 millimeters the sieve to roll 20 times, observes its intact situation.Cold-repairing material of the present invention can reach more than 80% intact.
(2) immersion Marshall stability
Make marshal piece according to JTJ 052-2000 " highway asphalt and bituminous mixture experiment rules ", the demoulding after room temperature is placed 24h then places test specimen 15 ℃ of water temperature insulations 30 minutes again, measures Marshall stability.Immersion stability of the present invention can reach more than the 3KN.
(3) Marshall residual stability
Make marshal piece according to JTJ 052-2000 " highway asphalt and bituminous mixture experiment rules ", the demoulding after room temperature is placed 24h then, after the demoulding test specimen is divided into two groups, one group of test specimen is placed 15 ℃ of water temperature insulations 30 minutes, measure Marshall stability 1; Another group test specimen places 15 ℃ of water temperature insulations 48 hours, measures Marshall stability 2.Residual stability is: stability 2/ stability 1 * 100%.Residual stability of the present invention can reach more than 75%.
The invention has the beneficial effects as follows on the existing achievement of present stage cold-repairing material, overcome the existence of lightweight oil content and caused forming intensity shortcoming slowly.Simultaneously, reduce the waste of material, improved maintenance of surface efficient widely.
Mulseal cold-repairing material among the present invention is different from traditional Emulsified Asphalt Mixture, but be one pack system storage type mulseal cold-repairing material, pass through mulseal, water, reinforcing agent, the accurate measurement control of thixotropic agent, under the state of sealing, can guarantee that Emulsified Asphalt Mixture is in metastable condition in the regular hour scope, destroy this metastable condition by the effect of external force and the volatilization of moisture during use, reach fast emulsion breaking, form the purpose of intensity.
The specific embodiment
Embodiment 1
The preparation method of the mulseal cold-repairing material in the present embodiment is as follows.Get 1% polyester fiber, 1% emulsion method polyoxyethylene and surplus building stones mixed in mixing machine 1～2 minute, add 6% water again, stirred 0.5～1 minute, building stones are fully wetting, add 7% part of mulseal then, stir after 1 minute the sealing pack and namely get the mulseal cold-repairing material.Wherein each component composition weight ratio of mulseal is: No. 70 pitch surpluses, GYM-02 emulsifier 1% (Henan Province Wei Sende pavement material Co., Ltd), sodium cellulosate 1%, 26.5 parts in water.During use cold-repairing material is taken out, pour in the groove of hole, after the compacting, get final product open to traffic.Performance indications see Table 1.
Embodiment 2
The preparation method of the mulseal cold-repairing material in the present embodiment is as follows.Get 2% lignin fibre, 3% aerosil and surplus building stones mixed in mixing machine 1～2 minute, add 5% water again, stirred 0.5～1 minute, building stones are fully wetting, add 10% mulseal then, stir after 1 minute the sealing pack and namely get the mulseal cold-repairing material.Wherein each component composition weight ratio of mulseal is: No. 70 pitch surpluses, UCAN-58 emulsifier 1.26% (phenolic ether sulphate class, the loyal Fine Chemical Co., Ltd in Shanghai), Sodium Polyacrylate 1.08%, water 29.16%.During use cold-repairing material is taken out, pour in the groove of hole, after the compacting, get final product open to traffic.Performance indications see Table 1.
Embodiment 3
The preparation method of the mulseal cold-repairing material in the present embodiment is as follows.Get 1% lignin fibre, 2% aerosil and surplus building stones mixed in mixing machine 1～2 minute, add 5.5% water again, stirred 0.5～1 minute, building stones are fully wetting, add 8% part of mulseal then, stir after 1 minute the sealing pack and namely get the mulseal cold-repairing material.Wherein each component composition weight ratio of mulseal is: No. 70 pitch surpluses, UCAN-58 emulsifier 1.5% (phenolic ether sulphate class, the loyal Fine Chemical Co., Ltd in Shanghai), sodium cellulosate 2%, water 30.32%.During use cold-repairing material is taken out, pour in the groove of hole, after the compacting, get final product open to traffic.Performance indications see Table 1.
Table 1 mulseal cold-repairing material performance indications
Mulseal cold-repairing material cohesiveness test of the present invention can reach more than 80%, and the immersion stability can reach more than the 3KN, and residual stability can reach more than 75%.Compare with traditional cold-repairing material, various aspects of performance can meet and exceed the traditional cold feed supplement.
Claims (1)
1. application that can store the mulseal cold-repairing material is characterized in that: be used for the asphalt pavement pit cold repair and mend, this can store the mulseal cold-repairing material and be made up of by weight following composition:
Described mulseal is made up of following composition by weight percentage:
No. 70 pitch surpluses
Emulsifier 1.0～1.5%
Thickener 1～3%
Water 26.5～36.5%;
Wherein said emulsifier is for splitting the type anion emulsifier slowly;
Described reinforcing agent is lignin fibre, polyester fiber, one or more of polyacrylonitrile fibre;
Described thixotropic agent is the emulsion method polyoxyethylene, aerosil, diatomaceous one or more;
This preparation method that can store the mulseal cold-repairing material is:
With reinforcing agent, thixotropic agent, building stones mixed and stirred 1～2 minute, added water, and stirred 0.5～1 minute, and building stones are fully wetting, added mulseal then, stirred to pack after 1 minute to seal namely to get the mulseal cold-repairing material.
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| CN102190459B true CN102190459B (en) | 2013-07-03 |
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| CN102532658B (en) * | 2011-12-16 | 2014-03-05 | 陈达溪 | Asphalt modifier suitable for rainy region and preparation method and application process thereof |
| CN102826792B (en) * | 2012-09-13 | 2014-04-02 | 安徽路达泰克沥青新材料有限公司 | Preparation method of LB cold patch material |
| CN103979896B (en) * | 2014-05-15 | 2016-10-05 | 中国石油大学(华东) | A kind of high Rut resistance Emulsified Asphalt Mixture for asphalt pavement rut punishment and preparation method thereof |
| CN106477974A (en) * | 2016-09-29 | 2017-03-08 | 长安大学 | A kind of glass fibre and water-base epoxy emulsified asphalt material for road repair |
| CN106633952A (en) * | 2016-10-19 | 2017-05-10 | 天津佰思特新材料科技有限公司 | Novel asphalt road pavement cracking repair material and preparation method thereof |
| CN108467700A (en) * | 2018-03-29 | 2018-08-31 | 宁夏睿泰天成新材料科技有限公司 | A kind of SMC pitches cold-patch agent and preparation method thereof |
| CN110804317A (en) * | 2019-12-06 | 2020-02-18 | 长安大学 | Storable composite modified emulsified asphalt pavement pit cold patching material and preparation method thereof |
| CN114230236A (en) * | 2021-09-23 | 2022-03-25 | 临沂市公路事业发展中心费县中心 | Cold repairing agent and application thereof in pavement construction |
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