近年來對於環境議題的重視及永續意識提升，使綠色材料的使用、構造輕量化成為結構設計之趨勢。本研究以木薄板為主要構材，透過開槽薄版曲面系統製作曲面構件，利用形抗原理使斷面強度與剛度提升、材料用量更為經濟合理，達成構造輕量化之目標，並以可重複拆裝、不使用大型機具即能搭建為前提，設計構築一座成人可進入使用之輕量結構空間，探討此系統於建築尺度之適用性。

　　本研究根據前人研究推導之槽寬比與曲率關係設計單元，再透過縮尺模型發展各種空間結構設計方案，探討合適之組構方式與結構型態，最終根據空間尺寸、材料及加工限制等因素，選定可行之設計方案進行實尺寸構築。為考量材料尺寸效應，進行實構前先製作大比例模型確認系統穩定度，實作階段則透過預組裝之經驗修正接合細部，同時進行多次組構及拆卸，驗證重複組裝之可行性，再置於戶外基地進行長期載重與耐候測試，觀察結構體變形狀況與破壞模式。

　　本文嘗試以結構分析軟體考慮大變形之分析模式，模擬開槽單元之彎曲變形，同時與實際構件比對，確認分析準確性，並設定各種變因下之分析案例，探討影響構件曲率之因素，量化並修正曲率評估公式。由於此系統採用輕薄斷面，單元及整體結構容易因變形過大導致幾何非線性問題，一般結構分析方式不見得能完整反映其受力行為，因此本文再建置整體結構分析模型，比較分析結果、前人研究及本研究實構模型實際變形狀況，建議可適用於此系統之分析方式，以供後續研究及設計之參考。

This study utilized plywood through slit curved surface to create a lightweight structure system that can be applied in architecture. The strength and stiffness of the material is enhanced through form resistant structure, thus creating a more efficient and economical use.

The process starts by creating various small-scaled models, each candidate is evaluated by its spatial size, material properties and manufacturing restrictions. The selected models then goes through another serial of testing before full scale construction. Testing includes a large-scaled (1:5) model to determine the stability of the system, several cycles of dismantling and re-assembling for durability evaluation, weather resistance as well as long-term loads behavior observations through a 4 months of outdoor exposure test.

Software analysis regarding large-displacement effects were made to simulate each unit’s deformation. The computed results are compared with physical testing for validation. Different control variables are set to test the factors regarding curvature, the gathered data are then used to adjust the curvature equation accordingly. Since the slit curved units are relatively thin, excessive deformation occurs even with only a small bending moment, thus resulting in geometric nonlinearity. Making rudimentary structural analysis methods un-applicable in these circumstances. In this thesis, a suitable method for this system is presented as a reference for future designers regarding this matter.

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