RESULTS FOR POST-TENSION IN CONCRETE

Definition: method of prestressing reinforced concrete in which tendons are tensioned after the concrete has attained a specified minimum strength or a specified minimum age.- ACI Concrete Terminology

Post-tensioning is a method of reinforcing (strengthening) concrete or other materials with high-strength steel strands or bars, typically referred to as tendons. The materials used to post-tension concrete members are ultra-high-strength steel strands and bars. Horizontal applications (such as beams, slabs, bridges, and foundations) typically employ strands. Walls, columns, and other vertical applications usually use bars. The steel reinforcing strands are installed in a way that protects them from bonding with the concrete. Slabs and girder sections are the most common post-tensioned member found in buildings and parking structures.

Informational Resources News, Events & Engagements ACI Web Pages

STANDARDS, PRACTICES and MANUALS ON POST-TENSION IN CONCRETE

CODE-320-25: Post-Tensioned Structural Concrete—Code Requirements and Commentary - ACI/PTI

CODE-319-25: Structural Precast Concrete—Code Requirements and Commentary - ACI/PCI

ACI SPEC-301-20: Specifications for Concrete Construction

MNL-17(21) - ACI Reinforced Concrete Design Handbook

320 PLUS Online Subscription

MNL-3(16) Guide to the Code for Assessment, Repair, and Rehabilitation of Existing Concrete Buildings

SP-004: (8TH) Formwork for Concrete

ACI PRC-357-24: Design and Construction of Fixed Offshore Concrete Structures - Guide

ACI PRC-360-10 Guide to Design of Slabs-on-Ground

ACI CODE-530/530.1-13: Building Code Requirements and Specification for Masonry Structures and Companion Commentaries

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JOURNAL Articles ON POST-TENSION IN CONCRETE

Long-Term Field Monitoring and Analysis of Post-Tensioned Flat Slab System

Publication: Structural Journal
Date: 5/1/2026

Friction Losses in Full-Scale Post-Tension Girders: Experimental Study (Prepublished)

Publication: Structural Journal
Date: 4/23/2026

Post-tensioned Jointed Structures to Resist Lateral Loads: A Review

Publication: IJCSM
Date: 3/31/2026

Field Validation of Automated Monitoring System for Prestressing Force and Elongation in Post-Tensioned Concrete Construction (Prepublished)

Publication: Structural Journal
Date: 3/10/2026

Development of Test Method to Detect Soft Grout Formation in Prepackaged Post-Tensioning Grouts

Publication: Materials Journal
Date: 9/1/2025

Progressive Collapse Performance of Unbonded Prestressed Reinforced Concrete Beam-Column Subassemblages under Column Removal Scenarios

Publication: Structural Journal
Date: 9/1/2025

Novel Post-Tensioning Anchorage Solution with Ultra-High-Performance Concrete for Seismic Retrofit of Nonductile Reinforced Concrete Walls

Publication: Structural Journal
Date: 9/1/2025

Corrosion Resistance of Unbonded Post-Tensioning Tendons with Construction Defects

Publication: Structural Journal
Date: 9/1/2025

Anchorage Pour-Backs Durability

Publication: CRC
Date: 8/5/2025

Numerical Analysis of Tendon Temperature Considering Thermal Contact Conductance

Publication: Structural Journal
Date: 7/1/2025

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Practice oriented papers and articles ON POST-TENSION IN CONCRETE

Concrete Q&A: Expansion Joint Preconstruction Conference for Post-Tensioned Concrete Parking Structures

Publication: Concrete International
Date: 6/1/2026

Calculation of Shear Force in Beam-Column Joints

Publication: Concrete International
Date: 4/1/2026

2025 PTI Project Awards

Publication: Concrete International
Date: 2/1/2026

Anchorage Pour-Backs Durability

Publication: CRC
Date: 8/5/2025

Understanding the Mysterious Overstrength of Post-Tensioned Flexural Members

Publication: Concrete International
Date: 7/1/2025

Thoughts Concerning Post-Tensioning Elongation Records

Publication: Concrete International
Date: 6/1/2025

Designing for Construction Productivity and Safety—In Practice

Publication: Concrete International
Date: 7/1/2024

Why is Concrete Scanning Important?

Publication: Concrete International
Date: 4/1/2024

Minimizing the Risk for Portland-Limestone Cement Concrete Slabs

Publication: Concrete International
Date: 1/1/2024

Active Confinement of RC Columns with External Post-tensioned Clamps

Publication: Special Publication
Date: 10/1/2023

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Certification Resources on POST-TENSION IN CONCRETE

There are no Certification Resources on post-tension in concrete

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Education Publications on POST-TENSION IN CONCRETE

E-2(00) Reinforcement for Concrete

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Online Learning - ACI University on POST-TENSION IN CONCRETE

Certificate Program: Concrete Constructability

On-Demand Course: An Overview of the New ACI-PTI 320-25 Code

On-Demand Course: Constructability Series: Post-Tensioned Concrete Design and Construction

On-Demand Course: The New ACI 563-25 Specifications for Repair of Concrete in Buildings (Part 2)

On-Demand Course: Evaluation of Segmental Bridges, Part 1 of 2

On-Demand Course: Evaluation of Segmental Bridges, Part 2 of 2

On-Demand Course: Design of Concrete Slabs-on-Ground

On-Demand Course: ACI 318-19 Changes to the Concrete Design Standard

On-Demand Course: Evaluation of Concrete Structures

On-Demand Course: ACI 301-16 Specifications for Structural Concrete (Part 3)

View all ACI Online Learning Courses on post-tension in concrete »

FREE ONLINE EDUCATION PRESENTATIONS ON POST-TENSION IN CONCRETE (VIDEOS)

Active Strengthening with Post-Tensioned CFRP Tendons

by Erblina Vokshi

Analysis, Design and Construction of Los Angeles County Museum of Art

by Jacqueline Li

Assessing Pour-Back Durability: Beyond Pull Off Testing

by Brenkus

Behavior of a Unbonded Post-Tensioned, Precast Concrete T-Wall under Lateral Loading

by Sharma

Breaking Ground on the Roof

by Hutton

Condition Evaluation and Monitoring for Management of Post-tensioned Segmental Concrete Bridges

by Michael Brown

GCRTA Special Bridge Inspection: Instrumentation, 3D FEM Calibration, and Analysis of an In-Service LRT Bridge

by Kent Dickens, Nick Amico

High-Performance Flat Plate Voided Slabs

by Mike Mota

High-Performance Flat-Plate Post-Tension Design with Innovative Multi-Story Construction Methodologies

by Eric S. Peterson and David Shook

Innovations in Concrete Towers and Foundations for Onshore Wind Turbines

by Sihang Wei

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FREQUENTLY ASKED QUESTIONS ON POST-TENSION IN CONCRETE

Question: Estimating in-place concrete strength

Question: Slabs-on-ground

Question: Minimum concrete cover for balconies with PT cables

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ACI Web Pages on post-tension in concrete

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RESULTS FOR POST-TENSION IN CONCRETE

STANDARDS, PRACTICES and MANUALS ON POST-TENSION IN CONCRETE

JOURNAL Articles ON POST-TENSION IN CONCRETE

Practice oriented papers and articles ON POST-TENSION IN CONCRETE

Certification Resources on POST-TENSION IN CONCRETE

Education Publications on POST-TENSION IN CONCRETE

Online Learning - ACI University on POST-TENSION IN CONCRETE

FREE ONLINE EDUCATION PRESENTATIONS ON POST-TENSION IN CONCRETE (VIDEOS)

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ACI Web Pages on post-tension in concrete