Shear Rail Systems

Shear Rail Reinforcement

Shear rails are a cost-efficient solution to shear transfer at column/slab connections – eliminating conventional solutions, such as rebar stirrups, column capitals, and drop panels. Our shear rails are fabricated in accordance with applicable industry standards and delivered with our post-tensioning tendons as part of a comprehensive package of products and services for our customers.

shear rail graphic

Technical Data

Stud Shank Diameter  Head Diameter  Shank Area  Rail Width  Rail Depth 
 3/8 1.19 0.11 1.00  3/16
 1/2 1.58 0.2 1.25  1/4
 5/8 1.98 0.31 1.75  5/16
 3/4 2.37 0.44 2.00  3/8
shear rail schematic
Material Specifications
Nelson® PSR Studs (Minimum Values)
(per AWS D1.1, ASTM A108 Grades 1010-1020)
Yield Strength 51,000 psi (350 MPa)
Tensile Strength  65,000 psi (450 MPa)
Elongation  20% in 2 inches (51 mm)
Reduction of Area 50%
Rail (Minimum Values)
(per AWS D1.1, ASTM A108 Grades 1010-1020)
Yield Strength 44,000 psi (300 MPa)
Tensile Strength 65,000 psi (450 MPa)
Elongation 20% in 8 inches (203 mm)
Reduction of Area 50%
Installation of Shear Rail
  • Maintain a minimum of 2” clear cover to slab edge
  • Align end of rail with finished face of column
  • Place shear rail perpendicular to each column face
  • Equally space required number of assemblies on each column face
  • Insert shaft of chair through punched hole in shear rail
  • Nail shear rails to formwork to prevent movement during concrete placement

Post-Tensioning Engineering Support

Post-Tensioning Expertise

STRUCTURAL TECHNOLOGIES’ post-tensioning specialists are committed to bringing innovation to complex projects. Our in-house design professionals have extensive experience in structural design and are active members of technical organizations such as the Post Tensioning Institute (PTI) and the American Concrete Institute (ACI).

Post-Tensioning Team Leader

Read more about our products and applications on our post-tensioning solution builder page

john cringler headshot
Design-Assist & Engineered Product Support

• Investigation Support
• Solution Development
• Budget Development
• Specification Assistance
• Constructability Consulting
• Application Engineering
• Quality Control Programs
• Project-Specific Design-Assist


• Preliminary Designs
• Feasibility Studies
• Budget Development
• Optimization of Structural Geometry
• Specification Development


• P-T System Selection
• Customized P-T System Design
• P-T Element Design & Detailing Support
• Integrated Shop Drawings & Building Information Modeling (BIM)
• Quality Control Plan Development


• P-T System Installation Support
• Project Coordination
• Manufacturing & Material Supply
• Equipment Rental
• Safety Planning