2011 BRAE 433 HW13-15

2011 BRAE 433 HW13-15 - 2 nd place = add 28 points to total...

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BRAE 433 HW 13-15 - Economics Component Homework Assignment Design the least expensive RC beam for the given geometry, loading and support conditions. The beam is exposed to earth and/or weather. Loads: Beam is subjected to its own weight plus a concentrated loads. The concentrated load represents a live load of 28,000 lbs. Neglect shear stirrup considerations. Note: The ratio of b/d must be within limits recommended by code. Use 2-in for clearance. Submissions: Required information: Names of design team members (use 2 person designation) Summary of design Hard copy of design drawings (including beam dimensions drawn to scale, material properties and reinforcement details) Drawings may be attached as PDF, MS Word, MS Excel or PowerPoint files. Submissions will be accepted electronically by 11:59pm Monday 24 October 2011. A hardcopy needs to be provided by Wednesday. Scoring: Lowest-cost, code-satisfactory design = add 30 points to total homework points
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Unformatted text preview: 2 nd place = add 28 points to total homework points 3 rd place = add 26 points to total homework points n th place = add 32 2n points to total homework points Submitted design violates known ACI 318 code = no points Necessary information not included = no points Teams with tie scores will split allotted points Questions/Correspondence: All questions must be e-mailed to me by 7:00 p.m. Friday 21 October 2011. Submitted questions and corresponding responses will be e-mailed to all competitors the next day. Unit Costs: Concrete Steel Formwork 3000 psi $122/cy Grade 40 $0.51/lb Form contact surface $2.40/sf 4000 psi $155/cy Grade 60 $0.77/lb 5000 psi $177/cy 40 feet P - Live Load Summary: You must include a sample of your formulas, calculations and number of beams designed. Your final report must be submitted electronically with the following summary table for your final design....
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2011 BRAE 433 HW13-15 - 2 nd place = add 28 points to total...

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