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火温对波特兰水泥与硫铝酸钙混合复合材料的影响。

Fire-Temperature Influence on Portland and Calcium Sulfoaluminate Blend Composites.

作者信息

Sodol Konrad A, Kaczmarek Łukasz, Szer Jacek

机构信息

Institute of Materials Science and Engineering, Lodz University of Technology, 90-924 Łódź, Poland.

Department of Building Physics and Building Materials, Lodz University of Technology, 90-924 Łódź, Poland.

出版信息

Materials (Basel). 2020 Nov 19;13(22):5230. doi: 10.3390/ma13225230.

DOI:10.3390/ma13225230
PMID:33228047
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7699428/
Abstract

This paper presents the research data of the fire-temperature influence on Portland CEM I (OPC) and calcium sulfoaluminate (CSA) types of cement blend composites as cooling materials dedicated for infill and covers in fire systems. The data present the material responses for four types at high-temperature elevation times (0, 15, 30, 60 min), such as core heat curves, differences in specimens color, flexural and compressive strength parameters. Materials were tested using the DSC method to collect information about enthalpies. The differences between cement blend composites were compared with commonly used cooling materials such as gypsum blends. It is shown that modifications to Portland cement composites by calcium sulfoaluminate cement have a significant influence on the cooling performance during high-temperature, even for 60 min of exposure. The temperature increase rates in the material core were slower in composites with regards to additionally containing calcium sulfoaluminate in 100-150 °C range. After 60 min of high-temperature elevation, the highest flexural and compressive strength was 75% OPC/25% CSA cement composition. The influence on cooling properties was not related to strength properties. The presented solution may have a significant influence as a passive extinguisher solution of future fire resistance systems in civil engineering.

摘要

本文介绍了火灾温度对波特兰CEM I（OPC）和硫铝酸钙（CSA）型水泥混合复合材料的影响的研究数据，这些复合材料用作消防系统填充材料和覆盖层的冷却材料。数据展示了四种类型材料在高温升高时间段（0、15、30、60分钟）的材料响应，如芯部热曲线、试件颜色差异、抗折和抗压强度参数。使用DSC方法对材料进行测试以收集有关焓的信息。将水泥混合复合材料与常用冷却材料（如石膏混合物）进行了比较。结果表明，用硫铝酸钙水泥对波特兰水泥复合材料进行改性，即使在高温下暴露60分钟，也会对冷却性能产生显著影响。在100-150°C范围内，额外含有硫铝酸钙的复合材料中材料芯部的升温速率较慢。高温升高60分钟后，抗折和抗压强度最高的是75%OPC/25%CSA水泥组合物。对冷却性能的影响与强度性能无关。所提出的解决方案作为土木工程中未来防火系统的被动灭火解决方案可能会产生重大影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/66e79ac2c305/materials-13-05230-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/f0b88233a471/materials-13-05230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/8557f27e8c77/materials-13-05230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/6664eebd5b6f/materials-13-05230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/73f098c65ba8/materials-13-05230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/ab2d92c357db/materials-13-05230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/6193c2c0720d/materials-13-05230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/15e08f74de12/materials-13-05230-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/e7def7699bb8/materials-13-05230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/3861f1fc2ef3/materials-13-05230-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/66e79ac2c305/materials-13-05230-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/f0b88233a471/materials-13-05230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/8557f27e8c77/materials-13-05230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/6664eebd5b6f/materials-13-05230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/73f098c65ba8/materials-13-05230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/ab2d92c357db/materials-13-05230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/6193c2c0720d/materials-13-05230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/15e08f74de12/materials-13-05230-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/e7def7699bb8/materials-13-05230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/3861f1fc2ef3/materials-13-05230-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0a1/7699428/66e79ac2c305/materials-13-05230-g010.jpg

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本文引用的文献

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