showstack / glossary / truss
Truss 桁架
The aluminium lattice beam that carries lighting, audio and video over a stage. Sold by cross-section and chord count, and rated by a span-and-load table from the manufacturer rather than by a single number.
中文
承載燈光、音響與影像設備的鋁製格構樑。以斷面尺寸與主管數量分類，其載重由製造商提供的跨距對載重表決定，而非單一數字。
Regional usage
| Where | Term | Note |
|---|---|---|
| UK / US | Truss | |
| HK | 桁架 / Truss | |
| TW | 桁架 |
Easy to get wrong
Truss brands are not interchangeable even when the section looks identical. Mixing manufacturers in one span voids the load table, and connector hardware often differs.
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Sources
- Theatrecrafts glossary of technical theatre terms — Theatrecrafts / ABTT heritage primary
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