Evaluation of 300 ksi Prestressing Strands for Prestressed Concrete Girders
View DetailKey Areas of Investigation
- Material Properties of 300 ksi Prestressing Strands
- Anchorage and Bond Performance
- Shear Performance
- End-Region Cracking
Highlights
- 17 full-scale girders across all TxDOT standard girder sections
- Extensive instrumentation including embedded fiber optic sensors
- As high as 54 – 0.6-in. 300 ksi strands in a single girder section
Shear test of a Tx62 girder
Design of a Reinforced Concrete T-Girder Bridge over Rapti River
- Funded by Local Road Bridge Support Unit (LRBSU), Nepal
- Performed topographical, hydrological, and geotechnical surveys
- Performed hydrological design and preliminary design of superstructure
- Detailed design of 2-span superstructure, substructure, and bearings
- Prepared detailed drawings
Plan & Elevation of the Bridge
Pier Reinforcement Detail
Design of a Post-tensioned Prestressed Concrete Bridge over Rapti River
- Alternative superstructure design for the Rapti River, single span 40 meters
- Performed hydrological design and preliminary design of superstructure
- Detailed design of superstructure including prestress losses and tendon profile as per IRC 112
Elevation of PSC Superstructure
Cable Profile of PSC Girder
Earthquake Resistant Design of a 10-story Office Building in Seattle
- Structural design of a 10-story reinforced concrete building in Seattle per ACI 318 and ASCE 7
- Detailed design and drawings of beams, columns, and shear walls
Building in Seattle
ETABS Model of the Building