burdock piling; stone wall technique with small faces outward
A traditional Japanese stone wall construction method where stones are placed with their smallest surfaces facing outward, resembling the way burdock roots are bundled. Primarily used in castle walls and historical masonry.
The stone walls of this castle are built using the burdock piling technique.
Burdock piling is a construction method where stones are stacked with their smallest faces outward.
野面積み is another traditional stone wall technique using uncut natural stones, whereas 牛蒡積み arranges stones with small faces outward for a distinctive appearance.
Standard kanji spelling for this traditional stone wall technique.
Partial kana spelling sometimes used for readability.
The term combines 牛蒡 (burdock) and 積み (piling), referring to the resemblance between the way stones are stacked with small ends outward and the way burdock roots are traditionally bundled.