Framing & StructuralCâu 322 / 700
Collar ties used to resist wind uplift should be spaced no farther apart than what, measured along the ridge?
a.12 inches on center
b.24 inches on center
c.48 inches on center
d.96 inches on center
Giải thích
Conventional framing provisions limit collar ties (minimum 1x4) to a maximum spacing of 4 feet (48 inches) on center along the ridge. Closer spacings of 12 or 24 inches exceed what is required, and 96 inches is well beyond the permitted maximum.
Trích dẫn luật: 2025 CA Residential Code §R802.4.5Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What is the practical difference between a collar tie and a rafter tie in a gable roof?
- When rafters frame to a non-structural ridge board (not a ridge beam), what is the minimum requirement for that ridge board's depth?
- Why does a structural RIDGE BEAM allow a roof to be built without rafter ties, whereas a simple ridge BOARD does not?
- CALCULATION: A common rafter runs horizontally 12 feet from the wall to the ridge and rises 9 feet. Ignoring overhang and cuts, what is the approximate rafter line length?
- CALCULATION: A gable roof has a 5:12 slope. If the horizontal run from the wall to the ridge is 24 feet, what is the rafter line length (rounded to the nearest foot, ignoring overhang)?
- CALCULATION: A building is 28 feet wide with a central ridge. Ignoring ridge-board thickness, what horizontal run does each common rafter span from the exterior wall to the ridge?
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