Historical Standard: ASTM C857-11 Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures
SUPERSEDED (see Active link, below)
1.1 This practice describes the minimum live loads and dead loads to be applied when designing monolithic or sectional precast concrete utility structures. Concrete pipe, box culverts, and material covered in Specification C478 are excluded from this practice.
Note 1For additional information see AASHTO Standard Specification for Highway Bridges, Seventeenth Edition.
Note 2The purchaser is cautioned that he must properly correlate the anticipated loading conditions and the field requirements with the design loads used.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C478 Specification for Precast Reinforced Concrete Manhole Sections
AASHTO StandardSpecificationforHigh Seventeenth Edition Available from American Association of State Highway and Transportation Officials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington, DC 20001, http://www.transportation.org.
minimum structural design criteria; precast concrete; underground utility enclosures;
ICS Number Code 91.100.30 (Concrete and concrete products)