Framing & StructuralCâu 338 / 700
Engineered rim board is often chosen over solid sawn lumber at the perimeter of an I-joist floor mainly because it:
a.Is always cheaper
b.Needs no fasteners
c.Is fire-rated by itself
d.Matches the depth of the I-joists and provides consistent, rated vertical load transfer around the floor
Giải thích
Engineered rim board is manufactured to match I-joist depths and to carry the rated vertical and lateral loads uniformly around the floor perimeter, avoiding the shrinkage and depth-mismatch problems of solid lumber. Cost, fastener-free installation, and inherent fire rating are not the governing reasons.
Trích dẫn luật: 2025 CA Residential Code §R507.5Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- At the ends of I-joists that rest on a wall, a continuous member closing the joist ends and transferring vertical/lateral load is called what?
- Where a concentrated load (such as a post from above) bears down over an I-joist at a support, what is often installed to carry that load past the joist without crushing it?
- CALCULATION: An engineered LVL header is specified as a 3-1/2 inch wide member built up from plies that are each 1-3/4 inch thick. How many plies are laminated together?
- Compared with solid-sawn joists, why are field notches and unauthorized holes especially damaging to engineered wood products such as I-joists and LVL?
- On braced/shear walls, code requires a plate washer at each anchor bolt between the sill plate and nut. A common minimum size is:
- For a bolted sill plate, the code requires a minimum number of anchor bolts per plate piece and a limit on bolt distance from plate ends. Which statement is correct?
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