广西居建建筑节能规定性指标计算报告.doc

广西居住建筑节能设计计 算 报 告 书工程名称：xxx设计编号：建设单位：xxx设计单位：计 算 人：校 对 人：审 核 人：计算日期：2023年9月17日广西居住建筑节能设计规定性指标计算报告一、 建筑概况地理位置广西-贺州工程名称xxx所属气候区夏热冬暖北区建筑（节能计算）面积地上914，地下0建筑（节能计算）高度地上12.0 m，地下0.0 m建筑（节能计算）层数地上3层，地下0层北向角度90度所属结构体系砖混结构二、 计算依据1. 广西壮族自治区居住建筑节能设计标准(DB45/221-2023)2. 民用建筑热工设计规范(GB50176-93)3. 建筑外门窗气密，水密，抗风压性能分级及检测方法（GB/T 7106-2023）4. 其他相关国家及地方规定三、 有关说明1、 本建筑节能计算方法依据广西居住建筑节能设计标准(DB45/221-2023) 和民用建筑热工设计规范（GB50176-93）；2、 本建筑节能设计取值依据广西居住建筑节能设计标准(DB45/221-2023)；3、 当节能设计中规定性指标有一项或若干项不达标时，依据广西居住建筑节能设计标准(DB45/221-2023) 的规定进行建筑围护结构热工性能的综合判断。4、 通过本次节能设计，使本建筑达成或超过广西居住建筑节能设计标准(DB45/221-2023) 规定的节能设计水平。四、 建筑大样1层平面2层平面3层平面4层平面五、 模型观测六、 工程材料材料名称编号导热系数蓄热系数S密度比热容Cp备注W/(m.K)W/(.K)Kg/m3J/(Kg.K)水泥砂浆10.93011.3701800.01050.0来源：民用建筑热工设计规范（GB50176-93）混合砂浆180.87010.7501700.01050.0钢筋混凝土41.74017.2002500.0920.0来源：民用建筑热工设计规范（GB50176-93）挤塑型聚苯乙烯保温板220.0300.32028.51647.0加气混凝土碎料找坡层260.2203.590700.01050.0来源：民用建筑热工设计规范（GB50176-93）卷材防水层280.1703.302600.01470.0坡屋面瓦290.93010.5831800.0920.0砖渣混凝土空心砌块（二排孔填满聚苯板）330.4106.2301300.01001.3七、 体型系数外表面积1178.82建筑体积3227.58体型系数0.37八、 窗墙比1、窗墙比朝向窗面积()墙面积()窗墙比限值结论东向13.05139.900.090.30满足西向7.20139.900.050.30满足南向22.50153.710.150.50满足北向89.10310.880.290.45满足平均131.85744.390.180.45满足标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.3.1标准规定各朝向窗墙比和平均窗墙比不超过限值结论满足2、外窗表朝向编号尺寸楼层数量单个面积合计面积东向13.05C09150.901.501331.354.05C12151.201.501351.809.00西向7.20C12151.201.501341.807.20南向22.50C15151.501.5013102.2522.50北向89.10C09150.901.5013241.3532.40C12151.201.50311.801.80C1215a1.201.5013231.8041.40C1515a1.501.501362.2513.50九、 天窗（一）天窗屋顶比无天窗（二）天窗类型无天窗十、 屋顶构造1.坡屋面序号材料名称（由外到内）厚度导热系数蓄热系数S修正系数热阻R热惰性指标(mm)W/(m.K)W/(.K)(K)/WD=R*S1坡屋面瓦100.93010.5831.000.0110.1142水泥砂浆200.93011.3701.000.0220.2453挤塑型聚苯乙烯保温板350.0300.3201.200.9720.3734卷材防水层30.1703.3021.000.0180.0585水泥砂浆200.93011.3701.000.0220.2456加气混凝土碎料找坡层200.2203.5901.500.0610.3267钢筋混凝土1201.74017.2001.000.0691.1868混合砂浆150.87010.7501.000.0170.185各层之和2431.1902.732外表面太阳辐射吸取系数0.75默认传热系数K=1/(0.16+R)0.74标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.2.1条标准规定K1.0,D2.5 或 K0.5结论满足十一、 外墙构造（一）外墙相关构造1.外墙：外墙序号材料名称（由外到内）厚度导热系数蓄热系数S修正系数热阻R热惰性指标(mm)W/(m.K)W/(.K)(K)/WD=R*S1水泥砂浆200.93011.3701.000.0220.2452砖渣混凝土空心砌块（二排孔填满聚苯板）1900.4106.2301.100.4212.8873混合砂浆200.87010.7501.000.0230.247各层之和2300.4663.379外表面太阳辐射吸取系数0.50默认传热系数K=1/(0.16+R)1.602.梁柱：钢筋混凝土柱序号材料名称（由外到内）厚度导热系数蓄热系数S修正系数热阻R热惰性指标(mm)W/(m.K)W/(.K)(K)/WD=R*S1水泥砂浆200.93011.3701.000.0220.2452钢筋混凝土1901.74017.2001.000.1091.8783混合砂浆200.87010.7501.000.0230.247各层之和2300.1542.370外表面太阳辐射吸取系数0.50默认传热系数K=1/(0.16+R)3.19（二）外墙平均热工特性1.东向构造名称构件类型面积(m2)面积所占比例传热系数KW / (K)热惰性指标D太阳辐射吸取系数钢筋混凝土柱热桥柱4.540.0363.192.370.50外墙主墙体122.310.9641.603.380.50合计126.851.0001.653.340.50标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.2.1条和第6.1.3.6条标准规定K2.0,D3.0 或 K1.5,D3.0 或 K1.0,D2.5 或 K0.7结论满足2.西向构造名称构件类型面积(m2)面积所占比例传热系数KW / (K)热惰性指标D太阳辐射吸取系数钢筋混凝土柱热桥柱4.870.0373.192.370.50外墙主墙体127.830.9631.603.380.50合计132.701.0001.663.340.50标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.2.1条和第6.1.3.6条标准规定K2.0,D3.0 或 K1.5,D3.0 或 K1.0,D2.5 或 K0.7结论满足3.南向构造名称构件类型面积(m2)面积所占比例传热系数KW / (K)热惰性指标D太阳辐射吸取系数钢筋混凝土柱热桥柱5.470.0423.192.370.50外墙主墙体125.750.9581.603.380.50合计131.211.0001.663.340.504.北向构造名称构件类型面积(m2)面积所占比例传热系数KW / (K)热惰性指标D太阳辐射吸取系数钢筋混凝土柱热桥柱17.560.0793.192.370.50外墙主墙体204.220.9211.603.380.50合计221.781.0001.723.300.505.总体构造名称构件类型面积(m2)面积所占比例传热系数KW / (K)热惰性指标D太阳辐射吸取系数外墙主墙体580.100.9471.603.380.50钢筋混凝土柱热桥柱32.440.0533.192.370.50合计612.541.0001.683.330.50标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.2.1条标准规定K2.0,D3.0 或 K1.5,D3.0 或 K1.0,D2.5 或 K0.7结论满足十二、 挑空楼板构造本工程无此项内容十三、 外窗热工（一）外窗构造序号构造名称构造编号传热系数自遮阳系数可见光透射比备注1普通铝合金窗+无色透明玻璃（6mm）186.400.800.800（二）外遮阳类型1. 平板遮阳 无平板遮阳（三）平均遮阳系数=0.800朝向面积权重系数b遮阳系数东向13.0501.000.800西向7.2001.000.800南向22.5001.000.800北向89.1001.000.800整个建筑平均遮阳系数0.800（四）平均传热系数1. 东向：序号门窗编号楼层数量单个面积总面积（m2）构造编号传热系数1C09151331.3504.050186.4002C12151351.8009.000186.400朝向总面积(m2)13.050朝向平均传热系数6.4002. 西向：序号门窗编号楼层数量单个面积总面积（m2）构造编号传热系数1C12151341.8007.200186.400朝向总面积(m2)7.200朝向平均传热系数6.4003. 南向：序号门窗编号楼层数量单个面积总面积（m2）构造编号传热系数1C151513102.25022.500186.400朝向总面积(m2)22.500朝向平均传热系数6.4004. 北向：序号门窗编号楼层数量单个面积总面积（m2）构造编号传热系数1C091513241.35032.400186.4002C1215311.8001.800186.4003C1215a13231.80041.400186.4004C1515a1362.25013.500186.400朝向总面积(m2)89.100朝向平均传热系数6.400（五）总体热工性能朝向面积传热系数遮阳系数窗墙比东向13.056.400.800.09西向7.206.400.800.05南向22.506.400.800.15北向89.106.400.800.29综合平均131.856.400.800.18标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.7条标准规定根据外墙K,D,查表4.1.7-1(Kn2.50)结论不满足十四、 可启动面积楼层房间编号房间面积()门窗编号门窗面积()启动比例门窗类型透光面积/房间面积启动面积/房间面积门窗启动比幕墙启动比结论110253.24C12151.800.50外窗0.560.280.50满足10243.05C09151.350.50外窗0.440.220.50满足10233.05C12151.800.50外窗0.590.290.50满足10223.05C09151.350.50外窗0.440.220.50满足10213.05C09151.350.50外窗0.440.220.50满足10203.05C09151.350.50外窗0.440.220.50满足10193.05C09151.350.50外窗0.440.220.50满足10183.05C09151.350.50外窗0.440.220.50满足10173.05C09151.350.50外窗0.440.220.50满足10163.05C09151.350.50外窗0.440.220.50满足10153.05C09151.350.50外窗0.440.220.50满足10143.24C12151.800.50外窗0.560.280.50满足101312.25C1515a2.250.50外窗0.180.090.50满足101212.25C1515a2.250.50外窗0.180.090.50满足101112.91C15152.250.50外窗0.170.090.50满足101012.91C1215a1.800.50外窗0.140.070.50满足100912.91C1215a1.800.50外窗0.140.070.50满足100812.91C1215a1.800.50外窗0.140.070.50满足100712.91C15152.250.50外窗0.170.090.50满足100612.91C1215a1.800.50外窗0.140.070.50满足100512.91C1215a1.800.50外窗0.140.070.50满足100412.91C1215a1.800.50外窗0.140.070.50满足100312.91C1215a1.800.50外窗0.140.070.50满足100212.91C1215a1.800.50外窗0.140.070.50满足100129.28C15152.250.50外窗0.220.110.50满足C15152.250.50外窗C12151.800.50外窗210243.05C09151.350.50外窗0.440.220.50满足10233.05C09151.350.50外窗0.440.220.50满足10223.05C09151.350.50外窗0.440.220.50满足10213.05C09151.350.50外窗0.440.220.50满足10203.05C09151.350.50外窗0.440.220.50满足10193.05C09151.350.50外窗0.440.220.50满足10183.05C09151.350.50外窗0.440.220.50满足10173.05C09151.350.50外窗0.440.220.50满足10163.05C09151.350.50外窗0.440.220.50满足10153.24C12151.800.50外窗0.560.280.50满足10143.24C12151.800.50外窗0.560.280.50满足101312.25C1515a2.250.50外窗0.180.090.50满足101212.25C1515a2.250.50外窗0.180.090.50满足101112.91C1215a1.800.50外窗0.140.070.50满足101012.91C1215a1.800.50外窗0.140.070.50满足100912.91C1215a1.800.50外窗0.140.070.50满足100812.91C1215a1.800.50外窗0.140.070.50满足100712.91C1215a1.800.50外窗0.140.070.50满足100612.91C15152.250.50外窗0.170.090.50满足100512.91C1215a1.800.50外窗0.140.070.50满足100412.91C1215a1.800.50外窗0.140.070.50满足100312.91C1215a1.800.50外窗0.140.070.50满足100216.32C15152.250.50外窗0.140.070.50满足100129.28C12151.800.50外窗0.220.110.50满足C15152.250.50外窗C15152.250.50外窗3300160.78C12151.800.50外窗0.030.010.50满足10223.05C09151.350.50外窗0.440.220.50满足10213.05C09151.350.50外窗0.440.220.50满足10203.05C09151.350.50外窗0.440.220.50满足10193.05C09151.350.50外窗0.440.220.50满足10183.05C09151.350.50外窗0.440.220.50满足10173.05C09151.350.50外窗0.440.220.50满足10163.05C09151.350.50外窗0.440.220.50满足10153.05C09151.350.50外窗0.440.220.50满足10143.05C09151.350.50外窗0.440.220.50满足10133.24C12151.800.50外窗0.560.280.50满足101212.25C1515a2.250.50外窗0.180.090.50满足101112.25C1515a2.250.50外窗0.180.090.50满足101012.91C1215a1.800.50外窗0.140.070.50满足100912.91C1215a1.800.50外窗0.140.070.50满足100812.91C1215a1.800.50外窗0.140.070.50满足100712.91C15152.250.50外窗0.170.090.50满足100612.91C1215a1.800.50外窗0.140.070.50满足100512.91C1215a1.800.50外窗0.140.070.50满足100412.91C1215a1.800.50外窗0.140.070.50满足100312.91C1215a1.800.50外窗0.140.070.50满足100212.91C12151.800.50外窗0.140.070.50满足100116.32C15152.250.50外窗0.140.070.50满足标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.3.4条标准规定居住建筑外窗(涉及阳台门)可启动面积不小于房间地面积8%或外窗面积的45%结论满足十五、 隔热检查 本工程无此项内容十六、 外窗气密性最不利气密性等级6级 C0915外窗气密性措施标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.3.5条，建筑外门窗气密，水密，抗风压性能分级及检测方法（GB/T 7106-2023）标准规定外窗气密性不应低于建筑外门窗气密，水密，抗风压性能分级及检测方法（GB/T 7106-2023）的6级；是否符合标准规定满足十七、 规定性指标检查结论序号检查项结论可否性能权衡1窗墙比满足2天窗类型无天窗3屋顶构造满足4外墙构造满足5外窗热工不满足可6可启动面积满足7外窗气密性满足结论不满足可说明：本工程规定性指标设计不满足规定，须依据广西居住建筑节能设计标准(DB45/221-2023)第6章的规定进行建筑围护结构热工性能的综合判断。十八、 综合权衡设计建筑参照建筑采暖空调耗电指数56.2957.14空调耗电指数26.1926.48采暖耗电指数30.1130.66标准依据广西居住建筑节能设计标准(DB45/221-2023)第6.1.3.6条标准规定设计建筑的能耗不得超过参照建筑的能耗结论满足十九、 综合权衡判断结论序号检查项结论1屋顶构造满足2外墙构造满足3外窗气密性满足4综合权衡满足结论满足说明：设计建筑的采暖、空调耗电量之和不超过参照建筑的采暖、空调耗电量之和，综合判断满足广西居住建筑节能设计标准(DB45/221-2023)的规定。