Concrete International Magazine (CI)

October 2016

Precast/Prestressed & Post-Tensioned A Tribute to Dan Falconer

Feature Articles

Novel Application of Post-Tensioning Solves High-Rise Design Challenges
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Solution provides long spans and efficient transfer of horizontal and vertical forces

Designers use hyperstatic forces to ensure that reactions from a New York City high-rise can be resisted by the columns of an existing structure.

Inspection of Unbonded Post-Tensioning Tendons for Building Structures

Benefits include minimized construction problems and reduced life-cycle costs

A review of failure mechanisms and tendon placement issues that inspection can eliminate or, at least, minimize.

Tips for Post-Tensioning

A reprint of an article by Daniel W. Falconer, first published in the February 1988 issue of CI

Tips for Post-Tensioning—Part II

Recommendations and advice for designing and detailing of post-tensioned two-way slabs in buildings

Prestressed Concrete—The Innovator’s Industry

An homage to some of the pioneers and early projects, and a look forward to innovations

Specifications for Unbonded Post-Tensioning Tendons

The success of a project requires that designers and field personnel implement key industry standards

The success of a project requires that designers and field personnel implement key industry standards

Shear Nonsense…

A discussion of anomalies in the ACI 318-14 shear design procedure for post-tensioned concrete beams

Evolution of ACI 562 Code—Part 8

Implications of a key provision in ACI 562-16, the basis of design report for concrete repair projects