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ASTM C857/C857M-26
Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures
Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures
C0857_C0857M-26
ASTM|C0857_C0857M-26|en-US
Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures
Standard
C857/C857M Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures>
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BOS Vol. 04.05 Committee C27
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ASTM International
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.
Scope
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/C478M are excluded from this practice.
Note 1: For additional information see AASHTO Standard Specification for Highway Bridges, Seventeenth Edition.
Note 2: The 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 either inch pound or SI units are to be regarded separately as standard. The SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the systems may result in nonconformance with the 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.