JGJ475-2019······1

1 總則······9

2 術(shù)語(yǔ)······10

3 氣候子區(qū)與室內(nèi)節(jié)能設(shè)計(jì)計(jì)算指標(biāo)······12

4 建筑和建筑熱工節(jié)能設(shè)計(jì)······13

4.1 一般規(guī)定······13

4.2 圍護(hù)結(jié)構(gòu)熱工設(shè)計(jì)······14

4.3 自然通風(fēng)設(shè)計(jì)······16

4.4 遮陽(yáng)設(shè)計(jì)······16

4.5 被動(dòng)式太陽(yáng)能利用······17

5 圍護(hù)結(jié)構(gòu)熱工性能的權(quán)衡判斷······19

6 供暖空調(diào)節(jié)能設(shè)計(jì)······21

附錄A 溫和地區(qū)典型城鎮(zhèn)的太陽(yáng)輻射數(shù)據(jù)······23

附錄B 平均傳熱系數(shù)的計(jì)算······25

附錄C 外遮陽(yáng)系數(shù)的簡(jiǎn)化計(jì)算······26

本標(biāo)準(zhǔn)用詞說(shuō)明······30

引用標(biāo)準(zhǔn)名錄······31

附:條文說(shuō)明······33

1 總則······35

3 氣候子區(qū)與室內(nèi)節(jié)能設(shè)計(jì)計(jì)算指標(biāo)······38

4 建筑和建筑熱工節(jié)能設(shè)計(jì)······40

4.1 一般規(guī)定······40

4.2 圍護(hù)結(jié)構(gòu)熱工設(shè)計(jì)······42

4.3 自然通風(fēng)設(shè)計(jì)······45

4.4 遮陽(yáng)設(shè)計(jì)······48

4.5 被動(dòng)式太陽(yáng)能利用······49

5 圍護(hù)結(jié)構(gòu)熱工性能的權(quán)衡判斷······52

6 供暖空調(diào)節(jié)能設(shè)計(jì)······55

附錄B 平均傳熱系數(shù)的計(jì)算······59