tailieunhanh - Standard Specification for Welded and Seamless Steel Pipe Piles

"Standard Specification for Welded and Seamless Steel Pipe Piles" nominal (average) wall steel pipe piles of cylindrical shape and applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in-place concrete piles. | Designation A252 10 Standard Specification for Welded and Seamless Steel Pipe Piles1 This standard is issued under the fixed designation A252 the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval. 1. Scope Definitions of terms used in this specification shall be This specification covers nominal average wall steel in accordance with Terminology A941. pipe piles of cylindrical shape and applies to pipe piles in defect an imperfection of sufficient size or magnitude which the steel cylinder acts as a permanent load-carrying to be cause for rejection. member or as a shell to form cast-in-place concrete piles. imperfection any discontinuity or irregularity found in the pipe. The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical 4. Ordering Information conversions to SI units that are provided for information only Orders for material under this specification shall contain and are not considered standard. information concerning as many of the following items as are The text of this specification contains notes and foot- required to describe the desired material adequately notes that provide explanatory material. Such notes and Quantity feet or number of lengths footnotes excluding those in tables and figures do not contain Name of material steel pipe piles any mandatory requirements. Method of manufacture seamless or welded The following precautionary caveat pertains only to the Grade Tables 1 and 2 test method portion Section 16 of this specification. This Size outside diameter and nominal wall thickness standard does not purport to address all of the safety problems Lengths single random double random .