DESIGNWORKS Vol.07

18/36

2303205502,8502003502003,600750▽FL空調空気 Air conditioned air断熱障子Heat insulating screen熱損失の低減Reduction of heat losses拡散光Dispersed light夏季の直射光Direct light in summerLow-eペアガラスLow-e double glazing冬季の直射光Direct light in winter庇(日射抑制)Overhang (to reduce daylight)外部Outside事務室Office熱と光を仕切る障子Sliding door to cut out heat and light開口部Low-eペアガラスとし、室内側には 空気層を持ったアルミフレームの大型障子=断熱障子を設置した。これにより断熱性能の向上による夜間熱損失の低減と太陽光の拡散による人工照明使用率の低減を実現した。(熱貫流率1.29W/㎡K)和紙を通したやわらかな光は内外観のデザイン上のポイントとなっている。ヒート&クールチューブによる外気熱負荷の低減、地中採熱ヒートポンプによる省エネルギー、雨水利用による上水の使用率低減を図り、建築全体での環境負荷低減を 実現した。(渋谷 幸男)The openings used low-e double glazing, with large screens made from aluminum frames with an air layer on the indoor side provided as heat insulation screens. By improving the heat insulation performance in this way, the heat losses at night time are reduced, and a reduction in the usage of artificial lighting through the use of dispersed solar light was achieved. (Heat transfer coefficient 1.29W/m2K) Soft light passing through Japanese paper was a design point for both the internal and external appearance. The environmental load of the building as a whole was reduced by reducing the external air heat load using heat and cool tube, by conserving energy using geothermal heat, and by reducing the usage of mains water by using rainwater. (Yukio Shibuya)外観(障子開) 08外観(障子閉) 09DETAIL SECTION S=1:50ペリメータ部 1016Works