Rockingham Precast has developed a connection for the F-shaped Concrete Median Barrier (CMB). The connection is similar to the New York design in that it consists of a T-shape connector that slides … [Read more...] about NCHRP Report 350 Compliance Tests on Rockingham Precast Concrete Barriers
Temporary Concrete Barriers
Work Zone Traffic Management Synthesis: Tiedown Methods for Precast Concrete Safety Shaped Barriers
This report is a synthesis of research findings and current practices regarding the design and application of systems for anchoring (tieing down) portable concrete safety shaped barriers (CSSBs) to … [Read more...] about Work Zone Traffic Management Synthesis: Tiedown Methods for Precast Concrete Safety Shaped Barriers
Work Zone Traffic Management Synthesis: Barrier Delineation Treatments Used in Work Zones
This report is a synthesis of research findings on current practices in the delineation of portable concrete safety-shaped barriers (CSSBs) in work zones. The information is based on a review of … [Read more...] about Work Zone Traffic Management Synthesis: Barrier Delineation Treatments Used in Work Zones
Two-Dimensional Modeling of Collision Dynamics of Deflecting Concrete Barriers
Freestanding concrete highway barriers were originally implemented for work-zone applications. These barriers are becoming more widespread in their use and have been implemented in some innovative … [Read more...] about Two-Dimensional Modeling of Collision Dynamics of Deflecting Concrete Barriers
Deflection Limits for Temporary Concrete Barriers
Whenever a traffic control plan is developed that utilizes temporary barriers, it is important to define acceptable barrier deflection criteria. However, the acceptable deflection criteria can be … [Read more...] about Deflection Limits for Temporary Concrete Barriers
Delineation of Temporary Barriers in Work Zones, Volume II
The objective of the present study was to evaluate the effectiveness of various delineation systems for use on construction sites. It was determined that vertical panels and reflective cylinders were … [Read more...] about Delineation of Temporary Barriers in Work Zones, Volume II