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Home > Forums > Geotechnical Engineers > Activities > Soil mechanics engineering Forum

ASTM C-76 vs C-478

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Couplandboy (Civil/Environmental)

5 Apr 12 23:49

In a nutshell.......what's the difference?

I initially thought the C-76 was thicker but found that was not the case. It is my understanding that C-76 is more robust due to more rebar but having a hard time verifying. I may need to break down and buy the ASTM standards but wouldn't have much need for them beyond this question.

Any help would be appreciated. Thanks.

cvg (Civil/Environmental)

6 Apr 12 12:19

one is for storm drain pipe the other is for manholes

Designation: C76 – 11 Standard Specification for Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe

Designation: C478 – 11 Standard Specification for Precast Reinforced Concrete Manhole Sections

Couplandboy (Civil/Environmental)

6 Apr 12 14:58

Appreciate that. That's the typical use but what about material differences?

dicksewerrat (Civil/Environmental)

8 Apr 12 11:10

Joiun ASTM and get the vol. need free.

Richard A. Cornelius, P.E.
WWW.amlinereast.com

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