A25298____中文：焊接钢和无缝钢管桩的标准规范

Designation: A 252 – 98 (Reapproved 2002)Standard Specification forWelded and Seamless Steel Pipe Piles1This standard is issued under the fixed designation A 252; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e ) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers nominal (average) wall steelpipe piles of cylindrical shape and applies to pipe piles inwhich the steel cylinder acts as a permanent load-carryingmember, or as a shell to form cast-in-place concrete piles.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions of the values in inch-pound units to values in SIunits.1.3 The text of this specification contains notes and foot-notes that provide explanatory material. Such notes and foot-notes, excluding those in tables and figures, do not contain anymandatory requirements.1.4 The following precautionary caveat pertains only to thetest method portion, Section 16 of this specification. Thisstandard does not purport to address all of the safety problems,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:A 370 Test Methods and Definitions for Mechanical Testingof Steel Products2A 751 Test Methods, Practices, and Terminology forChemical Analysis of Steel Products2A 941 Terminology Relating to Steel, Stainless Steel...