also: しじくい
bearing pile
Technical term in architecture and civil engineering for a pile that transfers structural load to a firm stratum.
この建物の基礎には支持杭が使われている。
Bearing piles are used in the foundation of this building.
Standard kanji spelling for this architectural term.
Alternate reading; しじぐい is more common.
Compound of 支持 (support) and 杭 (pile, stake).