From the looks of the average driveway or sidewalk, it may seem as though concrete is just destined to crack. But if concrete is so prone to cracking, how are we able to use it in so many high-stress ...
New self-stressed concrete designed by Swiss scientists uses anchorless carbon instead of steel. Concrete is the most used construction material in the world—by a lot. Using less vulnerable carbon ...
This graphic illustrates a new design for the framework of columns and beams that support bridges, called "bents," to improve performance for better resistance to earthquakes, less damage and faster ...
The design examples in Appendix C follow the AASHTO LRFD Bridge Design Specifications (BDS), 9th Edition, 2020, with proposed modifications based on the results from NCHRP Project 12-118. Further ...
Post tensioning is used widely in bridges, elevated slabs (parking structures and residential or commercial buildings), residential foundations, walls, and columns. The system has a number of benefits ...
In response to expressed industry need for building code requirements that address the unique aspects of post-tensioned concrete design, the American Concrete Institute (ACI) and the Post-Tensioning ...
In a partnership with the American Concrete Industry (ACI), the Post-Tensioning Institute (PTI) have released the digital edition of ACI/PTI Code-320-25: Post-Tensioned Structural Concrete—Code ...
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