全国基本风压基本雪压标准值

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1、雪荷载的基准压力,一般按当地空旷平坦地面上积雪自重的观测数据，经概率统计得出50年一遇最大值确定。　　屋面水平投影面上的雪荷载标准值，应按下式计算：　　Sk=μrxSo　　式中sk—雪荷载标准值(kN/㎡)；　　μr—屋面积雪分布系数；　　S0—基本雪压(kN/m2)。　　全国各城市的雪压和风压值　　全国各城市的50年一遇雪压和风压附表D.4　　省市名城市名海拔高度　　(m)风压(kN/m2)雪压(kN/m2)雪荷载准　　永久值系　　数分区　　n=10n=50n=100n=10n=50n=100　　北京54.00.300.450.500.250.400.45Ⅱ　　天津天津市3.30.300.5

2、00.600.250.400.45Ⅱ　　塘沽3.20.400.550.600.200.350.40Ⅱ　　上海2.80.400.550.600.100.200.25Ⅲ　　重庆259.10.250.400.45河北石家庄市80.50.250.350.400.200.300.35Ⅱ　　蔚县909.50.200.300.350.200.300.35Ⅱ　　邢台市76.80.200.300.350.250.350.40Ⅱ　　丰宁659.70.300.400.450.150.250.30Ⅱ　　围场842.80.350.450.500.200.300.35Ⅱ　　张家口市724.20.350.550.600.1

3、50.250.30Ⅱ　　怀来536.80.250.350.400.150.200.25Ⅱ　　承德市377.20.300.400.450.200.300.35Ⅱ　　遵化54.90.300.400.450.250.400.50Ⅱ　　青龙227.20.250.300.350.250.400.45Ⅱ　　秦皇岛市2.10.350.450.500.150.250.30Ⅱ　　霸县9.00.250.400.450.200.300.35Ⅱ　　唐山市27.80.300.400.450.200.350.40Ⅱ　　乐亭10.50.300.400.450.250.400.45Ⅱ　　保定市17.20.300.400.45

4、0.200.350.40Ⅱ　　饶阳18.90.300.350.400.200.300.35Ⅱ　　沧州市9.60.300.400.450.200.300.35Ⅱ　　黄骅6.60.300.400.450.200.300.35Ⅱ　　南宫市27.40.250.350.400.150.250.30Ⅱ　　山　　西太原市778.30.300.400.450.250.350.40Ⅱ　　右玉1345.80.200.300.35Ⅱ　　大同市1067.20.350.550.650.150.250.30Ⅱ　　河曲861.50.300.500.600.200.300.35Ⅱ　　五寨1401.00.300.400.450

5、.200.250.30Ⅱ　　兴县1012.60.250.450.550.200.250.30Ⅱ　　原平828.20.300.500.600.200.300.35Ⅱ　　离石950.80.300.450.500.200.300.35Ⅱ　　阳泉市741.90.300.400.450.200.350.40Ⅱ　　榆社1041.40.200.300.350.200.300.35Ⅱ　　隰县1052.70.250.350.400.200.300.35Ⅱ　　介休743.90.250.400.450.200.300.35Ⅱ　　临汾市449.50.250.400.450.150.250.30Ⅱ　　长冶县991.80

6、.300.500.60　　运城市376.00.300.400.450.150.250.30Ⅱ　　阳城659.50.300.450.150.250.300.35Ⅱ　　内　　蒙　　古呼和浩特1063.00.350.550.600.250.400.45Ⅱ　　额右旗拉布达林581.40.350.500.600.350.450.50Ⅰ　　牙克石市图里河732.60.300.400.450.400.600.70Ⅰ　　满洲里市661.70.500.650.700.200.300.35Ⅰ　　海拉尔市610.20.450.650.750.350.450.50Ⅰ　　鄂伦春小二沟286.10.300.400.450

7、.350.500.55Ⅰ　　新巴尔虎右旗554.20.450.600.650.250.400.45Ⅰ　　新巴尔虎左旗阿木古郎642.00.400.550.600.250.350.40Ⅰ　　牙克石市博克图739.70.400.550.600.350.550.65Ⅰ　　扎兰屯市306.50.300.400.450.350.550.65Ⅰ　　科右翼前旗阿尔山1027.40.350.500.550.450