基于微纳米级水泥基多孔材料的相变骨料砂浆性能研究

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发布时间：2020-01-06 00:00:00

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基于微纳米级水泥基多孔材料的相变骨料砂浆性能研究

Research on the Properties of Phase Change Aggregate Mortar Based on Micro-size/Nano-size Scale Cement-based Porous Materials

2022年第8期

微纳米级水泥基多孔材料；相变骨料；水泥砂浆；抗压强度

Micro-size/nano-size scale cement-based porous material; Phase change aggregate; Cement mortar; Compressive strength

2022年第8期

10.19761/j.1000-4637.2022.08.012.05

四川省自然科学基金项目（2022NSFSC1135）；环境友好能源材料国家重点实验室开放基金项目（19kfhg16）；西南科技大学博士基金项目（21zx7102）。

蒋俊1，金超2，雷洛1，刘诗雨1，徐田圆1，刘铁2，管小军2，吴艳萍2，李军1，卢忠远1

1.西南科技大学环境友好能源材料国家重点实验室，四川绵阳 621010；2.宁波建工工程集团有限公司，浙江宁波 315040

蒋俊1，金超2，雷洛1，刘诗雨1，徐田圆1，刘铁2，管小军2，吴艳萍2，李军1，卢忠远1

蒋俊,金超,雷洛,等.基于微纳米级水泥基多孔材料的相变骨料砂浆性能研究[J].混凝土与水泥制品,2022(8):12-15,21.

JIANG Jun, JIN Chao, LEI Luo,et al.Research on the Properties of Phase Change Aggregate Mortar Based on Micro-size/Nano-size Scale Cement-based Porous Materials[J].China Concrete and Cement Products,2022(8):12-15,21.

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摘要：以微纳米级水泥基多孔材料为载体，石蜡为相变材料，采用真空浸渍工艺，制备了相变骨料和相变骨料水泥砂浆，并研究了相变水泥砂浆的性能。研究结果表明：石蜡的最大负载率为65%；相变骨料泄漏率随真空度增加与浸渍时间延长而降低；随着相变骨料取代率的增加，砂浆的抗压强度降低，导热系数下降，且强化了延迟、降低温峰效应。 Abstract: Using micro-size/nano-size scale cement-based porous materials as carrier and paraffin as phase change material, phase change aggregate and phase change cement mortar were prepared by vacuum impregnation process, and then the performance of phase change cement mortar was studied. The results indicate that the maximum carrying rate of paraffin is 65%. The leakage rate of phase change aggregate decreases with the increase of vacuum degree and the prolongation of immersion time. The substitution rate of phase change aggregate increases, the compressive strength of the mortar is reduced, the thermal conductivity is reduced, and the delay and temperature peak reduction effects are strengthened.

英文名 : Research on the Properties of Phase Change Aggregate Mortar Based on Micro-size/Nano-size Scale Cement-based Porous Materials

刊期 : 2022年第8期

关键词 : 微纳米级水泥基多孔材料；相变骨料；水泥砂浆；抗压强度

Key words : Micro-size/nano-size scale cement-based porous material; Phase change aggregate; Cement mortar; Compressive strength

刊期 : 2022年第8期

DOI : 10.19761/j.1000-4637.2022.08.012.05

文章编号 :

基金项目 : 四川省自然科学基金项目（2022NSFSC1135）；环境友好能源材料国家重点实验室开放基金项目（19kfhg16）；西南科技大学博士基金项目（21zx7102）。

作者 : 蒋俊1，金超2，雷洛1，刘诗雨1，徐田圆1，刘铁2，管小军2，吴艳萍2，李军1，卢忠远1

单位 : 1.西南科技大学环境友好能源材料国家重点实验室，四川绵阳 621010；2.宁波建工工程集团有限公司，浙江宁波 315040

蒋俊1，金超2，雷洛1，刘诗雨1，徐田圆1，刘铁2，管小军2，吴艳萍2，李军1，卢忠远1

蒋俊,金超,雷洛,等.基于微纳米级水泥基多孔材料的相变骨料砂浆性能研究[J].混凝土与水泥制品,2022(8):12-15,21.

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参考文献

引用本文

Abstract: Using micro-size/nano-size scale cement-based porous materials as carrier and paraffin as phase change material, phase change aggregate and phase change cement mortar were prepared by vacuum impregnation process, and then the performance of phase change cement mortar was studied. The results indicate that the maximum carrying rate of paraffin is 65%. The leakage rate of phase change aggregate decreases with the increase of vacuum degree and the prolongation of immersion time. The substitution rate of phase change aggregate increases, the compressive strength of the mortar is reduced, the thermal conductivity is reduced, and the delay and temperature peak reduction effects are strengthened.

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基于微纳米级水泥基多孔材料的相变骨料砂浆性能研究

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