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ID:45775463
大小:3.43 MB
页数:65页
时间:2019-11-17
《木地板与环境》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、地板与环境目录一、关于几个概念二、全国各地最佳含水率分布三、环境与地板变形四、关于地热五、地板保养之环境控制关于几个概念空气湿容量指在一定温度下,每立方米空气中的含水量。单位:克/立方米。空气饱和湿容量指在一定温度下,每立方米空气中的最大含水量。单位:克/立方米。空气的相对湿度空气的相对湿度=空气实际湿容量÷空气饱和湿容量×100%(同一温度下)。含水率关于几个概念平衡含水率木材放在含有水蒸汽的空气(湿空气)中,其含水率最终将会达到与之相适应的稳定状态,称为木材平衡含水率。含水率状态,决定于周围空气的相对湿度,以及温度和木材的干湿程度等,它将随着空气条件的变化而增大或减少;
2、解吸平衡含水率如果木材的含水率比这种稳定状态高,木材将会散失水分,最终达到的稳定状态称为解吸平衡含水率;吸湿平衡含水率如果木材的含水率低于这种稳定状态,木材将会吸收水分,最终达到的稳定状态称为吸湿平衡含水率。木材吸湿滞后曲线E连接关于几个概念空气饱和湿容量与温度的关系温度t(℃)湿容量r饱(克/立方米)温度t(℃)湿容量r饱(克/立方米)-151.394565.42-102.145082.94-53.2455104.2804.8460130.0956.8065161.05109.4070197.951512.8275241.652017.2980292.992523.038
3、5353.23关于几个概念空气温度、湿度与地板含水率的关系各种温度和湿度条件下地板平衡含水率表相对湿度(%)室内温度℃0510152025303540455004.584.354.123.893.663.443.212.892.752.522.2955.014.774.524.264.033.973.553.303.062.812.57105.505.244.984.724.464.203.933.673.413.152.89156.005.735.455.184.904.634.354.083.803.533.25206.516.235.995.705.415.114.8
4、24.534.243.953.66257.206.896.586.275.975.665.355.044.734.424.12307.877.557.226.906.576.255.935.605.284.954.63358.628.287.947.607.266.926.576.235.895.555.21409.439.078.728.368.017.657.296.946.586.235.874510.49.969.599.228.848.478.107.737.366.996.625011.310.910.510.29.769.388.998.618.227.847
5、.455512.512.111.711.311.310.410.09.639.238.828.426013.513.212.712.312.311.511.110.710.39.889.486514.814.414.013.613.612.812.311.911.511.110.77016.315.915.515.115.114.213.813.412.912.512.17517.717.316.916.516.515.715.314.914.414.013.68019.419.018.618.218.217.417.016.616.215.815.48521.320.92
6、0.520.120.119.318.918.518.117.717.39023.322.922.622.222.221.421.120.720.320.019.69525.525.224.824.524.523.823.523.122.822.522.110027.927.627.327.027.026.526.225.925.625.325.0关于几个概念全国各地最佳含水率分布E:连接地区1月2月3月4月5月6月7月8月9月10月11月12月平均北京10.310.710.68.59.811.114.715.612.812.010.811.411.4哈尔宾17.215.1
7、12.410.810.113.215.014.614.614.012.315.213.6齐齐哈尔16.014.611.99.89.412.513.613.113.812.913.514.512.9佳木斯16.014.813.211.010.313.215.115.014.513.013.914.913.7牡丹江15.814.212.911.110.813.914.515.114.913.714.516.013.9克山18.016.413.510.59.913.315.515.114.913.714.616.114.
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