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曲線天花、結構限制與工程智慧:從 Frank Gehry 的流動建築學到香港蝸居的設計取捨

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呢排國際設計界有兩單新聞好值得反思:一係 Frank Gehry 死後仍在興建的 Dar al Funoon Abu Dhabi 表演藝術中心,視覺上好似流動嘅布料;二係 Snøhetta 公布改造 Alvar Aalto 設計嘅 Paimio 肺癆療養院做酒店——佢哋要處理嘅唔單止係美學,仲有嚴苛嘅結構限制同歷史價值。

This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled — CLAY Interior Design
CLAY Interior Design — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled

好多客人問我:「總監,我好鍾意外國嗰啲流線型設計,但香港樓底得 8 呎,點樣做到唔覺壓迫?用假天花造彎位會唔會好低?」呢個正正係我哋 CLAY 成日要面對嘅核心問題:如何喺工程限制內,用客觀手段實現設計意念。

先拆解結構:曲線唔等於任性

Frank Gehry 嘅建築之所以震撼,係因為佢用鋼結構同特殊混凝土模具,造出看似無重力嘅曲面。但香港普通住宅地盤,通常係石屎結構加輕磚間隔,天花仲要預留冷氣喉、消防感應器同燈位。如果你直接同師傅講「我想牆身同天花一體化做弧位」,佢會反問你:「咁你啲分體機條銅管點走?」

我哋嘅做法係:先確定工程允許嘅最小半徑。一般香港住宅,天花藏燈槽後實際高度得 7 呎半左右(約 2.25 米)。要做出流線感覺,通常會用石膏板彎曲成半徑 500mm 以上嘅弧形收口,或者用 CNC 切割夾板做骨架再批灰。如果弧度太平(半徑大過 2 米),視覺效果會唔明顯;如果弧度太急(半徑細過 300mm),施工難度大增,仲可能要用特別嘅彎曲板材(例如熱彎亞加力或玻璃纖維),成本高出三倍。

三條實際考慮:幫你判斷值唔值得做

Snøhetta 嘅啟示:保留歷史,唔係扮歷史

另一邊廂,Snøhetta 改造 Paimio 療養院時,並冇將阿爾瓦·阿爾托嘅白牆灰地板全部拆走,反而係保留原有結構,再用現代物料做對比。呢個態度好值得香港借鏡:好多舊樓裝修,業主一味想「扮 trendy」,結果整咗啲不倫不類嘅假弧線同假羅馬柱,反而降低咗質感。

我哋嘅建議係:如果單位本身有特色(例如窗台、橫樑、舊鐵窗),與其用曲線去遮蓋,不如用簡單嘅直線條同物料質感去襯托。曲線設計唔係萬能藥,用錯地方只會變「虛飾」。

如果你正面對類似的設計兩難——例如諗緊要唔要整弧型電視牆、或者怕天花板壓迫——歡迎與我們聊聊你的想法,我哋會客觀話你知邊啲位值得做、邊啲位應該收手。

This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled — 靈感參考圖片 1
Image source: 設計部落格 — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled
This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled — 靈感參考圖片 2
Image source: 設計部落格 — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled
This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled — 靈感參考圖片 3
Image source: 設計部落格 — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled
This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled — 靈感參考圖片 4
Image source: 設計部落格 — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled
This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled — 靈感參考圖片 5
Image source: 設計部落格 — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled

靈感來源:設計部落格 — This week Frank Gehry's design for a Saadiyat Island arts centre was unveiled by Lizzie Crook

 
 
 

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