Senior Collaborator
CurrentI provide post-tensioning installation, stressing and grouting assistance to contractors. I collaborate with their key people on planning, equipment and crew training. I also provide custom machine design and manufacturing. Recent Projects:• Work plan development, troubleshooting and crew training for bonded PT projects on precast segmental and cast in place structures. • Supply of tendon installation equipment to improve safety and production. Including, pushers, power units, manual and remote controls, push cans, endo cans and electronic length and tendon batch counters• Design and supply of automated tendon pre-fabrication lines for segmental bridge projects and strand tendon tie-back suppliers.• Assistance with tendon installation in undersized or damaged ducts• In-place friction testing for multistrand tendon elongation calculations• Assistance with removing partially grouted tendons• Multistrand tendon anchor AASHTO testing with in-house #1300 ton hydraulic press • Stressing equipment calibration• Assistance with preparation and evaluation of field stressing data sheets• Vacuum grouting equipment supply and field assistance. • Consultation with design and contractor engineers to improve quality and constructability• Unbonded tendon repair, replacement and retrofit.