Active Standard ASTM C857 | Developed by Subcommittee: C27.10
Book of Standards Volume: 04.05
Historical (view previous versions of standard)
Significance and Use
5.1 This practice is intended to standardize the minimum structural design loading for underground precast concrete utility structures.
5.2 The user shall verify the anticipated field conditions and requirements with design loads greater than those specified in this standard.
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.
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.
ICS Number Code 91.100.30 (Concrete and concrete products)
UNSPSC Code 95121800(Utility buildings and structures)