box culverts product guide - Shaw Precast Solutions

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BOX CULVERTSA box culvert unit may be either three or four sided. A threesided box culvert unit is a rigid portal frame with two verticallegs and a horizontal deck. Three sided units allow for brookand stream crossings maintaining the natural streambed.Typically the legs of a three-sided culvert are supported onconcrete footings. A four-sided box culvert unit consists ofa top deck slab, two vertical walls and a base slab that formsa rigid frame. The bottom slab allows for a smooth precastconcrete invert in place of a streambed. Baffles, as specifiedby the Department of Fisheries, can be provided in thebottom of a four-sided box culvert to facilitate fish migration.Headwalls, sloped end sections and cut-off walls are availablein standard or project designs.A four sided box culvert unit is often used as a permanentservice tunnel or carrier tunnel for underground piping.Precast box culverts are high quality, low maintenanceconcrete structures that have a large number of applicationsincluding storm sewers, service tunnels, or small bridges forstream crossings.A box culvert may be either three or four sided. Three sidedculverts allow for brook and stream crossings maintaining thenatural streambed. Typically the legs of a three-sided culvertare supported on concrete footings.A four-sided box culvert has a base slab that allows fora smooth precast concrete invert in place of the naturalstreambed. Fish baffles can be provided in the bottom of afour sided box culvert. Headwalls, sloped end sections andcut-off walls are available for project specific designs. Foursided box culvert units are often used as permanent servicetunnels for underground services and piping.SPIGOTRISESPANSPIGOTRISESPANFOUR SIDED BOX CULVERTTHREE SIDED BOX CULVERTPRECASTCONCRETEFOOTINGS TOSUITTwo or more lines of box culverts may be placed side by side to create a twin barrel or multi barrel installation. A multi-barrelinstallation provides additional flow capacity, which may be required for larger streamsREVISED December 26, 2012The structural design for box culverts is carried out byexperienced Professional Engineers at Shaw Precast Solutions.Stamped shop drawings and technical specifications canbe produced upon request for each project. Shaw PrecastSolutions offers one on one consultation for layout anddesign of box culvert projects. We will assist on the projectfrom the conceptual stage, through to final design and on siteinstallation.Shaw Precast Solutions provides the joint materials andlifting devices required for on site installation. The contractorprovides all other rigging and equipment.Shaw Precast Solutions produces precast box culverts over abroad range of standard sizes. Non-standard box culvert sizescan be produced upon request.2 SHAw precast solutions | BOX CULVERTS
shawprecastsolutions.comAVAILABLE BOX CULVERT SIZES:RISE2ft 3ft 4ft 5ft 6ft 7ft 8ft 9ft 10ft 11ft 12ft 13ft 14ft 15ft 16ft4877mm4572mm4267mm3962mm3658mm3353mm3048mm2743mm2438mm2134mm1829mm1524mm1219mm914mm610mmSPAN2ft 3ft 4ft 5ft 6ft 7ft 8ft 9ft 10ft 11ft 12ft 13ft 14ft 15ft 16ft610mm914mm1219mm1524mm1829mmHAUNCHWALLTHICKNESS2134mmSPAN2438mm2743mm3048mmRISE3353mm3658mm3962mm4267mm4572mm4877mmIMPORTANT NOTES:Available Haunch Sizes are: 6 inch (152mm), 8 inch (203mm) and12 inch (305mm)Span and Rise are available in increments of 4 inches (102mm)For example, 6 ft 8 inch x 8 ft 4 inch (2032mm x 2540mm)Haunch Size Min. Rise Min. Span6 inch 2 ft 3 ft8 inch 3 ft 3 ft12 inch 4 ft 4 ftWall thicknesses are available in 2 inch (51mm) incrementsFor example, 2 inch, 4 inch, 6 inch, etc…SHAw precast solutions | BOX CULVERTS 3
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box culverts product guide - Shaw Precast Solutions

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