更上半層樓：卑南遺址出土石梯之研究

Take a Step Up: Research on the Stone Ladders of the Peinan Site

有些人對於考古遺址出土的「石梯」真正功能仍存在疑慮，本文除了整理相關學者的討論內容外，透過對「石梯」上的使用痕進行觀察與分析，進一步佐以數位處理方式分析其作為梯子使用時的情形，再藉由統計分析針對其行為模式進行說明。卑南遺址出土「石梯」的使用角度主要在40°-60°間，往上爬升約100-130cm，大約是半層樓的高度。藉由與臺灣原住民傳統住屋型式進行討論，卑南遺址史前建築結構可能部份與豎穴式建築的概念相似，後續或許可以結合出土石柱、砌石圈等結構現象進一步瞭解史前卑南遺址的聚落型態。

There is still some question as to how exactly stone ladders unearthed from archaeological sites were used. This paper begins with an overview of this issue. The processing marks on the stone ladders is then discussed and combined with digital management to analyze how the stone ladders were used. Statistical analysis is further applied to extrapolate behavior patterns of the people who used the ladders. The usage angle of stone ladders at the Peinan Site is mainly between 40 to 60 degrees; and the vertical height is about 100 to 130 centimeters, which is approximately the height of a half-story house. Comparing this with the traditional residential building structure types of Taiwanese indigenous people, it is highly possible that some of the prehistoric building structures of the Peinan Site were similar to pit houses. By further combination with stone pillars, masonry circles and other features unearthed, we might get to know more about the settlement pattern of the Peinan Site.