Micro-surfacing mixture

A technology of micro-surfacing mixtures and mixtures, applied in the field of micro-surfacing mixtures and preparations, can solve problems such as poor low-temperature crack resistance and unsatisfactory anti-rutting ability, and achieve the effect of improving high-temperature stability
CN103073232AInactive Publication Date: 2013-05-01重庆市智翔铺道技术工程有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
重庆市智翔铺道技术工程有限公司
Publication Date
2013-05-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

A micro-surfacing mixture is formed by mixing high-elastic modified emulsified asphalt, external additive, mixture and water, wherein the high-elastic modified emulsified asphalt is prepared by mainly taking SK No. 70 matrix asphalt, cation asphalt emulsifier, a modifier and water as raw materials, and the modifier is composed of SBR rubber latex, SBS rubber latex, and high-elastic No. 1 modifier. The external additive is coagulant or retarder. The mixture comprises aggregate and padding, and MS-3 or MS-2 mixture is selected. When the micro-surfacing mixture provided by the invention is paved on an asphalt road to repair the road, the problems that the existing micro-surfacing mixture has poorer stability at high temperature and poorer anti-cracking performance at low temperature, and poor anti-track performance when in use are overcome. According to the invention, the stability at high temperature and the anti-cracking performance at low temperature of the micro-surfacing mixture are effectively improved, so that the micro-surfacing mixture can better adapt to repair of steel deck bituminous concrete preventive maintenance top facing with large deformation and track.
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Claims

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