Constant-temperature sunstone and preparation method thereof
A sun stone, constant temperature technology, applied in the field of road building materials, can solve the problems of road stress cracking, difficult maintenance, and large volume, and achieve the effects of improved anti-slip and anti-friction performance, easy popularization and application, and simple preparation method.
Active Publication Date: 2015-02-18
杨林江
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Problems solved by technology
[0002] At present, most domestic airport runways use ordinary asphalt concrete. Due to the high friction when the plane takes off, the road surface is required to have good anti-skid and friction resistance performance. Stress cracking greatly affects the service life of the pavement, and in the season with heavy rainfall, the ground water affects the pilot's vision and is not conducive to the safe landing of the aircraft; in addition, granite is often used in the pavement of highway bridges, which has a large volume and capacity. The dead load ratio of the bridge is as high as 70%-90%, resulting in a short service life of the bridge, high maintenance costs, and difficult maintenance, which is easy to cause traffic jams during the maintenance process
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[0016] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples, which are only used to explain the present invention, and do not constitute a limitation to the protection scope of the present invention.
[0017] Construction waste is selected as solid waste generated when buildings are demolished, and its fineness is less than 10% of the standard sieve of 0.15; the fly ash is the first-grade fly ash; the fineness of high-alumina tailings is 0.08 standard sieve The remainder is less than 12%; the fineness of the potassium feldspar powder is 0.08 standard sieve and the remainder is less than 12%; the phase change material is an inorganic salt / ceramic matrix composite energy storage material.
[0018] The percentage by weight is: construction waste 30%, fly ash 28%, high-alumina tailings 30%, potassium feldspar powder 5%, phase change material 7% and other raw materials that are water are mea...
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The invention discloses a constant-temperature sunstone and a preparation method thereof. The constant-temperature sunstone comprises the following raw material components by weight: 25-35% of building rubbish, 20-35% of fly ash, 20-40% of high-aluminium tailings, 5-10% of high temperature blenders, 5-10% of phase-change materials, and the balance of water. The preparation method comprises: metering the above raw materials according to the weight percents, uniformly stirring the raw materials, delivering the mixture into a rotary kiln, and roasting at a temperature of 980-1080 DEG C for 10-20 min to obtain the constant-temperature sunstone. The constant-temperature sunstone of the invention has the properties of light weight, high strength, sliding resistance, and wear resistance, and is a novel stone with certain thermal insulation effect. The preparation method is simple and easy to operat.
Description
Technical field: [0001] The invention relates to the technical field of road building materials, in particular to a constant temperature sunstone and a preparation method thereof. Background technique: [0002] At present, most domestic airport runways use ordinary asphalt concrete. Due to the high friction when the plane takes off, the road surface is required to have good anti-skid and friction resistance performance. Stress cracking greatly affects the service life of the pavement, and in the season with heavy rainfall, the ground water affects the pilot's vision and is not conducive to the safe landing of the aircraft; in addition, granite is often used in the pavement of highway bridges, which has a large volume and capacity. The dead load ratio of bridges is as high as 70%-90%, resulting in short service life of bridges, high maintenance costs, and difficult maintenance, which is easy to cause traffic jams in the maintenance process. Replacing the granite in the aspha...
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IPC IPC(8): C04B30/00
Inventor 杨林江
Owner 杨林江