| 真空吸收法测定粉刷石膏保水率 |
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| 引用本文： | 王波,王静静,张丽华. 真空吸收法测定粉刷石膏保水率[J]. 烟台大学学报(自然科学与工程版), 2006, 19(2): 152-156 |
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| 作者姓名： | 王波 王静静 张丽华 |
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| 作者单位： | 烟台大学,环境与材料工程学院,山东,烟台,264005 |
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| 摘 要： | 设计了真空吸收法实验装置，利用该装置测定的保水率与传统滤纸法进行了对比．分析了影响粉刷石膏保水率的相关因素和测试条件．实验表明，在负压下测定保水率，与实际墙基体条件相吻合，具有真实可靠的特点．在压力一定条件下，测定的保水率才具有可比性．
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| 关 键 词： | 粉刷石膏 保水率 真空吸收法实验装置 |
| 文章编号： | 1004-8820（2006）02-0152-05 |
| 收稿时间： | 2005-10-28 |
| 修稿时间： | 2005-10-28 |
Determination of Water-retention Rate of Stucco Gypsum with Vacuum Absorptive Method |
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| WANG Bo,WANG Jing-jing,ZHANG Li-hua. Determination of Water-retention Rate of Stucco Gypsum with Vacuum Absorptive Method[J]. Journal of Yantai University(Natural Science and Engineering edirion), 2006, 19(2): 152-156 |
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| Authors: | WANG Bo WANG Jing-jing ZHANG Li-hua |
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| Affiliation: | School of Environmental and Materials Engineering, Yantai University, Yantai 264005, China |
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| Abstract: | Water-retention rate is one of important properties for stucco gypsum. In order to put into effect new criterion of stucco gypsum JC/T 517-2004, vacuum absorptive device has been designed. Water-retention rate determined by the device can be compared with the values by conventional filter-paper method. The influencing factors of water-retention rate are analyzed and testing parameters are determined. The results show that the water-retention rate under subatomospheric pressure is according with that of realistic wall-matrix. The vacuum absorptive device has characteristic of good reliability, and the determined water-retention rate has comparable measure. |
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| Keywords: | stucco gypsum water-retention rate vacuum absorptive device |
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