The author concurs with standards committee s response.
Concrete barrier wall design.
Procast products concrete barriers are built with safety and reliability in mind.
A bumper wall design example was published in the 1970s in the handbook of concrete engineering editor.
Dimensions unless otherwise specified the minimum length of each barrier section will be 10 feet.
Barrier walls are commonly termed bumper walls.
Concrete barrier noise wall trench footing 5215.
Economical solutions to the marketplace by means of innovative processes and design while.
High quality and uniform our type k temporary railings or k rail concrete barriers as they are commonly referred serve as a cost effective and safe solution to traffic control needs.
Wsdot design manual m 22 01 18 page 1610 1 december 2019 chapter 1610 traffic barriers 1610 01 introduction 1610 02 barrier impacts 1610 03 general barrier design considerations 1610 04 beam guardrail 1610 05 high tension cable barrier 1610 06 concrete barrier 1610 07 bridge traffic barriers 1610 08 other barriers 1610 09 references.
A jersey barrier or jersey wall is a modular concrete or plastic barrier employed to separate lanes of traffic it is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head on collision jersey barriers are also used to reroute traffic and protect pedestrians and workers during highway construction as well as.
Design concrete design strength 4 000 psi in 28 days air entrainment unless otherwise specified all concrete will have an air content of 5 1 as measured by astm test method c 173 or c 231.
See standard drawing a this drawing shows the transition sections for 36 concrete barrier wall to be able to attach to thrie beam guardrail section.
Concrete barrier noise wall t shaped spread footing 5213.
This paper provides a historical perspective of the reinforced concrete barrier wall design and provides design guidelines.
Concrete barrier noise wall l shaped spread footing 5214.
The barrier will require steel bar reinforcing or welded wire fabric as shown in std.
Hex head bolt locations hex head bolt locations elevation view elevation view.
Concrete barrier noise wall 8 0 junction slab 5212.