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Explore the ETCULVERT design process for culverts, covering project data input, design mode selection, geometry, materials, loading considerations, and review and optimization steps.
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ETCULVERT Design Process • Project Data • Design Mode • Geometry & Matls • Loading • Design Parameters • Review / Optimize • Switch to Analysis • Update Reinforcing • Optimize • Print / Review
STEP 1 – PROJECT DATA SCREEN 3-3
STEP 1 – PROJECT DATA SCREEN 3-4
STEP 2 – DESIGN MODE SCREEN 3-5
STEP 2 – DESIGN MODE SCREEN 3-5
STEP 2 – DESIGN MODE SCREEN 3-5
STEP 2 – DESIGN MODE SCREEN 3-5
STEP 2 – DESIGN MODE SCREEN 3-5
STEP 3 – GEOMETRY & MATLS SCREEN 3-6
STEP 3 – GEOMETRY & MATLS SCREEN 3-6
STEP 3 – GEOMETRY & MATLS SCREEN 3-6
AASHTO DOES NOT DEFINE THE SKEW ANGLE, AASHTO ONLY CONSIDERS PARALLEL AND PERPENDICULAR APPLIED LIVE LOADS. SKEW ANGLE IN ETCULVERT ONLY IMPACTS THE SKEWED PORTION OF A CULVERT WHERE THE EFFECTIVE SPAN LENGTH CHANGES 30 < CHECK BOTH < 60 PERP (>60) PARALLEL (<30)
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 3 – GEOMETRY & MATLS SCREEN 3-7
STEP 4 – LOADING SCREEN 3-8
SCREEN 3-9 Only Matters if Lane Load is Included
STEP 4 – LOADING SCREEN 3-8
STEP 4 – LOADING SCREEN 3-8
STEP 4 – LOADING SCREEN 3-8
STEP 4 – LOADING SCREEN 3-8
STEP 4 – LOADING SCREEN 3-8
STEP 4 – LOADING SCREEN 3-8
STEP 4 – LOADING SCREEN 3-8 TYPICAL
STEP 5 – DESIGN PARAMETERS SCREEN 3-12
STEP 5 – DESIGN PARAMETERS SCREEN 3-12
STEP 5 – DESIGN PARAMETERS SCREEN 3-12
STEP 5 – DESIGN PARAMETERS SCREEN 3-12
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14 For permit analysis – check to use the Strength II/IB factors
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14
STEP 5 – DESIGN PARAMETERS SCREEN 3-14 When checked – will also calculate shear capacity per Appendix B5 and use the larger of the two.
STEP 5 – DESIGN PARAMETERS SCREEN 3-15
STEP 5 – DESIGN PARAMETERS SCREEN 3-17 Design Mode does not investigate shear reinforcement – concrete is assumed to provide only means of shear resistance. Shear reinforcement is only reviewed in Analysis Mode.