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地盤限制下的香港小學設計:如何在有限樓底中創造階梯式戶外空間

  • 5小时前
  • 讀畢需時 2 分鐘

最近看到法國SAM Architecture設計的Yvonne Kerzrého學校綜合體,利用階梯式佈局(stepped volumes)將戶外空間帶到每一層。概念很美,但回到香港,面對標準住宅項目常見的8尺樓底(約2.4米),要複製這種「村落縮影」幾乎不可能。作為專注本地項目的設計總監,我想客觀拆解這個設計過程中的結構限制與工程手段。

SAM Architecture designs stepped school in Nanterre as "village at the child's scale" — CLAY Interior Design
CLAY Interior Design — SAM Architecture designs stepped school in Nanterre as "village at the child's scale"

為什麼階梯式對香港是挑戰?

香港學校或兒童中心的地盤通常狹長、橫跨多層,而且受《建築物條例》嚴格的樓底高度限制。法國方案層層遞退(cascading)的屋頂平台,在香港會即時撞上兩個問題:結構荷載與樓層高度。每退一層,上層樓板就需要更厚的結構層,犧牲淨高;而香港標準層高扣除結構及機電後,淨高常常只有2.2米左右,根本不足以再放一個完整的教室+戶外露台。

物料現實:木結構的取捨

法國方案大量用木(wood),但香港潮濕天氣加上白蟻風險,實木結構在外牆及屋頂的維修成本驚人。我們在類似項目中,寧可採用仿木鋁合金翼板(timber-look aluminium louvers)配合局部實木裝飾,既能保留溫暖感,又滿足學校的防火及耐用要求。戶外地台則用高壓混凝土板(HPL decking)取代木地板,防滑且零保養。

總結:不完美,但可行

每個設計都有取捨。香港的標準樓底雖然束縛創意,但只要從結構、機電、物料三方面逐一妥協,仍能創造出類似「村落兒童尺度」的體驗——只是露台變窄、平台變細、用料變得更實際。如果你正面對類似的設計兩難,歡迎與我們聊聊你的想法,我們可以客觀地分析地盤條件與成本效益。

SAM Architecture designs stepped school in Nanterre as "village at the child's scale" — 靈感參考圖片 1
Image source: 設計部落格 — SAM Architecture designs stepped school in Nanterre as "village at the child's scale"
SAM Architecture designs stepped school in Nanterre as "village at the child's scale" — 靈感參考圖片 2
Image source: 設計部落格 — SAM Architecture designs stepped school in Nanterre as "village at the child's scale"
SAM Architecture designs stepped school in Nanterre as "village at the child's scale" — 靈感參考圖片 3
Image source: 設計部落格 — SAM Architecture designs stepped school in Nanterre as "village at the child's scale"
SAM Architecture designs stepped school in Nanterre as "village at the child's scale" — 靈感參考圖片 4
Image source: 設計部落格 — SAM Architecture designs stepped school in Nanterre as "village at the child's scale"
SAM Architecture designs stepped school in Nanterre as "village at the child's scale" — 靈感參考圖片 5
Image source: 設計部落格 — SAM Architecture designs stepped school in Nanterre as "village at the child's scale"

靈感來源:設計部落格 — SAM Architecture designs stepped school in Nanterre as "village at the child's scale" by Amina Amber

 
 
 

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