Designation: E 1049 – 85 (Reapproved 2005) 名称：E1049 至 85 年（己重新审核批准 2005 年） Standard Practices for Cycle Counting in Fatigue Analysis1 在疲劳分析中循环计数的标准规程 This standard is issued under the fixed designation E 1049; 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 (e) indicates an editorial change since the last revision or reapproval. 该标准发行时命名为 E 1049；紧随其后的数字表示最初采用或者修订年份，括号内的数字表示最近一次重新审批的年份。上标表明自上次修订或重新审批后又做了一次编辑修改。 1. Scope 适用范围 1.1 These practices are a compilation of acceptable procedures for cycle-counting methods employed in fatigue analysis. This standard does not intend to recommend a particular method. 本规定针对疲劳分析中循环计数方法只给出了可汇编的程序步骤。本标准不会指定一个特定的方法。 1.2 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. 本标准不旨在解决所有的安全问题，如果有的话，也仅限于与其使用有关的。本标准的责任是在满足确定规章限制的前提下，优先使用其建立适当的安全和健康措施。 2. Referenced Documents 2.1 ASTM Standards:2 ASTM 标准： E 912 Definitions of Terms Relating to Fatigue Loading E912 中与疲劳载荷有关的条款的定义 3. Terminology 术语 3.1 Definitions: 定义 3.1.1 constant amplitude loading—in fatigue loading, a loading in which all of the peak loads 1 These practices are under the jurisdiction of ASTM Committee E0-8 on Fatigu...
