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Crane Bridge Design. Rose-Hulman Institute of Technology. Matt Albert AJ Chandler Noah Fehrenbacher Jake Gennicks Jake Wilhoit. STJ Engineering. Project Description Design Requirements Preliminary Design Decision Matrix Final Design Summary. Presentation Overview.
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Crane Bridge Design Rose-Hulman Institute of Technology Matt Albert AJ Chandler Noah Fehrenbacher Jake Gennicks Jake Wilhoit STJ Engineering
Project Description Design Requirements Preliminary Design Decision Matrix Final Design Summary Presentation Overview
Naval Surface Warfare Center Crane Division • Located in Martin County, Indiana • Constructed during WWII • Purpose of base: • Weapons development • Ammunition storage • Ammunition distribution
Design Requirements • Environmental permitting • Traffic control plan • Topographic map • Geotechnical subsurface investigation • Hydraulic analysis • Complete bridge design
Environmental Permitting • United States Army Corps of Engineers • Letter of Permission • Indiana Department of Environmental Management • Regional General Permit • Demolition Notification • Indiana Department of Natural Resources, Division of Water • No permit required
Codes and Regulations • Indiana Department of Transportation Codes • American Association of State Highway Transportation Officials (AASHTO) Load and Resistance Factor Design • Manual of Uniform Traffic Control Devices • Environmental Permits
Bridge 1926 Current Condition • Constructed in 1941 • Deck rehabilitated in 1956 • Timber foundation and superstructure • Four spans totaling 80 feet • Two lane highway
Traffic Control Bridge
Hydrology Study Drainage Area = 1.1 mi2 85% Point Q100 = 932 cfs 10% Point Slope = 54.2 ft/mi Bridge Q100 = 181*DA0.799*Sl0.466*(I-2.5)0.831
Hydraulic Analysis Existing road surface @ 95.5’ Bottom existing beams @ 93.3’ 100 year peak flood level @ 85.5’ Creek bed @ 82’
Decision Matrix Design Options
Decision Matrix Design Criteria
Structural Design Deck Design Beam Design 8 in Thickness Wind Load Live Load Dead Load 387 lbs 387 lbs 16 kips 16 kips 3 kips 100 lbs/ft 640 lbs/ft 33 ft
Beam Design Dead Load Live Load 1183 lbs/ft 640 lbs/ft 8 kips 32 kips 32 kips
Beam Design Foundation Design Design 80 ft 45 in
Foundation Design 75 k 75 k 75 k 75 k 75 k Load from Beams H-Piles Design 33 ft 36 in 20 ft Bedrock
Cost Estimate for Construction GRAND TOTAL $128,700
Cost Estimate for Construction GRAND TOTAL $128,700
Cost Estimate for Construction GRAND TOTAL $128,700
Cost Estimate for Construction GRAND TOTAL $128,700
Bridge 3175 Current Condition • Located on south perimeter • Steel superstructure with concrete deck • Limestone block abutments • Single lane security road • Single span of 24 feet
Topographic Map Soil Borings
Hydrology Study Q100 = 2530 cfs Bridge Q100 = 181*DA0.799*Sl0.466*(I-2.5)0.831
Hydraulic Analysis 100 year peak flood level @ 103.75’ Existing road surface @ 103.5’ Bottom existing beams @ 101.5’ Creek bed @ 91’
Decision Matrix Design Options
Decision Matrix Design Criteria
Culvert Design Backfill Design Foundation Design 8 ft x 2 24 ft 10 ft 10 ft 2 ft 8 ft x 2 8 ft 675 Cubic Yards
Cost Estimate for Construction GRAND TOTAL $62,500
Cost Estimate for Construction GRAND TOTAL $62,500
Cost Estimate for Construction GRAND TOTAL $62,500
Cost Estimate for Construction GRAND TOTAL $62,500
Summary • Project Description • Design Requirements • Preliminary Design • Decision Matrix • Final Design Process • Cost Estimate