如何计算Deck Joist
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Deck Joist Spacing Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
公式
Max Span = f(Joist Size, Species, Load) from span table
分步指南
- 1Look up joist span table for species and size, check against deck span
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
例题解析
输入
2×8 Doug Fir joists, 40 psf load
结果
Max span at 16 OC = 13 ft-1 inch
常见错误注意事项
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
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