Road construction often requires that work zones be created and shielded by portable concrete barriers (PCBs) to protect workers and equipment from errant vehicles as well as to prevent motorists from … [Read more...] about Development of a Test Level 3 Transition Between Guardrail and Portable Concrete Barriers
Temporary Concrete Barriers
Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Three full-scale vehicle crash tests were conducted according to the Manual for Assessing Safety Hardware (MASH) Test Level 3 (TL- 3) safety performance criteria on a transition between the Midwest … [Read more...] about Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier
Portable concrete barrier (PCB) systems are often used to redirect errant vehicles through a combination of inertial resistance, lateral friction loads, and tensile loads developed from the mass and … [Read more...] about Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier
Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Often, road construction causes the need to create a work zone. In these scenarios, portable concrete barriers (PCBs) are typically installed to shield workers and equipment from errant vehicles as … [Read more...] about Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
This guideline highlights use of a low-profile concrete barrier (LPB) in low to moderate speed work zones. The low profile barrier enhances line of sight for drivers, especially where work zones and … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
September 2015 Introduction Transportation agencies consider or specify the use of positive protection devices on a variety of project types. Some of the most common needs for protection … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones