Top Slab Vehicular Live Loads (HS 20 AASHTO Truck) Include live loads if hf 0% Increased linear live load Weight of earth fill Linear weight of fill on the slab Imposed dead loads Linear imposed dead loads on the slab Selfweight Linear selft weight of the slab Side Walls Soil pressure kah = (1 - sinf ) / (1 + sinf ) Surcharge on side walls due to top soil 0.333 36.0KPa LOADS ON THE CULVERT For the design purposes a one-meter length of the culvert is considered. MPA MPA kN/cum kN/cum mm mm mm mm mm mm KPa KPa Deg. OF REINFORCEMENT LAYERS MAIN REINFORCEMENT SPACING TEMPERATURE REINFOR. INPUT DATA CONCRETE COMPRESSIVE STRENGTH, f'c REBAR YIELD STRENGTH, fy CONCRETE UNIT WEIGHT, gc SATURATED SOIL UNIT WEIGHT, gs HEIGHT OFCULVERT, H WIDTH OF CULVERT, B THICKNESS OF SIDE WALLS, tw THICKNESS OF TOP SLAB, tts THICKNESS OF BOTTOM SLAB, tbs DEPTH OF FILL, hf IMPOSED SERVICE DEAD LOADS, wd ALLOWABLE SOIL PRESSURE, Qa SOIL ANGLE OF FRCITION, f PREFERRED REBAR SIZE CONCRETE COVER TO REBAR CENTER NO. STRUCTURAL DESIGN OF SINGLE CELL BOX CULVERTBased on AASHTO LRFD Bridge Design 2007 SIClient: Job Name/Station: GeoData Survey Company Culvert Structural Design Designed By: Verified By: Ali Akbar Shaikhzadeh Date: Revision:Version 1.0
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