Vibration isolating rubber mortar
A rubber and mortar technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems affecting train comfort, structural cracking, etc., and achieve good application prospects, reduce settlement, and reduce pollution.
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Embodiment 1
[0019] Changsha Yuefeng Rubber & Plastic Technology Co., Ltd. provided 50 parts of 20-mesh waste tire rubber (styrene-butadiene rubber) particles, 20 parts of 42.5-grade ordinary Portland cement, and 20 parts of river sand.
[0020] The raw material components are sampled according to the above mass ratio, placed in a mixer and stirred for 120 seconds, poured into a plastic volume and sealed.
[0021] Mix the above raw materials, add 20 parts of water, stir evenly, pour it into a 70.7mm×70.7mm×70.7mm mold, and after 28 days of curing at room temperature, do a vibration test, measure and draw the stress-strain curve, it is found that the rubber mortar is more than ordinary Mortar (mass ratio: 60 parts of sand, 30 parts of cement, and 20 parts of water) covers an area covered by the hysteresis curve by 40%, that is, its vibration isolation performance is increased by 40%.
Embodiment 2
[0023] Shaoyang Heibao Chemical Co., Ltd. produced 45 parts of 20-mesh waste tire rubber (butadiene rubber) particles, 25 parts of 42.5-grade ordinary Portland cement, and 25 parts of river sand.
[0024] The raw material components are sampled according to the above mass ratio, placed in a mixer and stirred for 120 seconds, poured into a plastic volume and sealed.
[0025] Mix the above raw materials, add 20 parts of water, stir evenly, pour it into a 70.7mm×70.7mm×70.7mm mold, and after curing at room temperature for 28 days, do a vibration test, measure and draw the stress-strain curve, it is found that the rubber mortar is more than ordinary Mortar (mass ratio: 50 parts of sand, 40 parts of cement, and 20 parts of water) covers an area of 36% larger in the hysteresis curve, that is, its vibration isolation performance is increased by 36%.
Embodiment 3
[0027] 50 parts of 30-mesh waste tire rubber (isoprene rubber) particles produced by Sinochem International Rubber Company, 15 parts of 42.5-grade ordinary Portland cement, and 15 parts of river sand.
[0028] The raw material components are sampled according to the above mass ratio, placed in a mixer and stirred for 120 seconds, poured into a plastic volume and sealed.
[0029] Mix the above raw materials, add 20 parts of water, stir evenly, pour it into a 70.7mm×70.7mm×70.7mm mold, and after curing at room temperature for 28 days, do a vibration test, measure and draw the stress-strain curve, it is found that the rubber mortar is more than ordinary Mortar (mass ratio: 50 parts of sand, 30 parts of cement, and 20 parts of water) covers an area covered by the hysteresis curve by 30%, that is, its vibration isolation performance is increased by 30%.
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