ICS1 8053 . 0 2 0. 20场黔中 华 人 民 共 和 国 国 家 标 准GB 5 144- 2006代替 GB 5144- 1994塔式起重机安全规程Safety code for tower cranes2006-06-02 发布2007- 10-0 1 实施中华人民共和国国家质量监督检验检疫总局中 国 国 家 标 准 化 管 理 委 员 会发 布G B 5 14 4-2 0 06目次前言 ··································，··············································，································⋯⋯ m1范围 ·····，·· ·······，··········· ···········，······················，······················ ························⋯⋯ 12规范性引用文件 ·································· ·············· ·············································，·，·⋯ 13整机 ············································································· ······，·············，············⋯⋯ 14结构 ···························，，，·····················，，，· ············ ··，····· “。··，，，·· “········· ········⋯⋯24. 1材 料· ··· ·· ··· ··· ··· ··· ··· ··· ··· ··· ··· ··· ··· ··· ·· ··· ··· ··· ·· ···· ··· ··· ·· ··· ··· ·· ··· ···· ··· ·· ··· ··· ··· ··· ··· ··· ··· ⋯ ⋯ 24. 2连接 ················ ····················· ···········，······················，·· ···························，···⋯⋯ 24. 3梯子、扶手和护圈···········································，·················································⋯⋯ 24.4平台、走道、踢脚板和栏杆· ········ ······，······························································⋯⋯ 44.5起重臂走道 ·. ⋯⋯ 54. 6司机室 ，···········，·············。·······，，·······，··，，·····················，，，·································⋯⋯ 84. 7 结构件的报废及工作年限 ·················································································⋯⋯84.8自升式塔机结构件标志 ·，，· 。。···，· ，· ·····，，，· ····，，，，·· ·4，，，，，····，，，，········，，······ ·，，⋯⋯ 94.9 自升式塔机后续补充结构件要求 ·························································一 “··⋯⋯’·“”95机构.
