AASHTO Designation: M 273-00 (2004)1pdf free download

Standard  Specification for

Precast  Reinforced Concrete  Box Sections

for  Culverts, Storm   Drains, and  Sewers

with   Less  Than  2 ft of Cover  Subjected to  Highway Loadings

AASHTO Designation: M 273-00 (2004)1

ASTM Designation: C 850-95a


AASHTO Designation: M 273-00 (2004)1pdf free download

1.1.This specification covers single-cell,  precast reinforced concrete box sections  with less than 2 ft of cover subjected to highway loadings and intended to be used for the construction of culverts and for the conveyance of storm water, industrial wastes, and sewage.

1.2.A complete metric companion to M 273 has been developed-M 273M;  therefore, no metric equivalents are presented in this specification.

Note 1-This  specification is primarily a manufacturing and purchasing specification.

However,  standard designs are included and the criteria used to develop these designs are given in Appendix X l.

The successful performance of this product depends upon the proper selection of the box section, bedding, backfill,  controlled manufacture in the plant, and care that the installation conforms to the construction specifications.

The owner of the precast reinforced concrete box sections specified herein is cautioned that the loading conditions  and the field requirements must be correlated with the box sections specified and that inspection at the construction site  must be provided.

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