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GB 50174-1993 电子计算机机房设计规范

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基本信息
标准名称:电子计算机机房设计规范
英文名称:Desing Code for Electronic Computer Room
中标分类: 工程建设 >> 工业与民用建筑工程 >> 工业建筑工程
替代情况:被GB 50174-2008代替
发布部门:国家技术监督局 中华人民共和国建设部
发布日期:1993-02-17
实施日期:1993-09-01
首发日期:1900-01-01
作废日期:2009-06-01
提出单位:中华人民共和国建设部
归口单位:中华人民共和国电子工业部
起草单位:电子工业部第十设计研究院
出版社:中国计划出版社
出版日期:2006-04-01
页数:32页
书号:T80058.233
适用范围

为了使电子计算机机房设计确保电子计算机系统稳定可靠运行及保障机房工作人员有良好的工作环境,做到技术先进、经济合理、安全适用、确保质量,制订本规范。本规范适用于陆地上新建、改建和扩建的主机房建筑面积大于或等于140平方米的电子计算机机房的设计。本规范不适用于工业控制用计算机机房和微型计算机机房。

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所属分类: 工程建设 工业与民用建筑工程 工业建筑工程
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Product Code:SAE J1469
Title:Air Brake Actuator Test Procedure, Truck-Tractor, Bus, and Trailers
Issuing Committee:Truck And Bus Brake Actuator Committee
Scope:This SAE Recommended Practice provides procedures and methods for testing service, spring applied parking, and combination brake actuators with respect to durability, function, and environmental performance. A minimum of five test units designated A, B, C, D, and E are to be used to perform all tests per 1.1 and 1.2.Test ProceduresLeak rate-parking and service chambers (Section 4)Chamber volume-parking and service chambers (Section 5)Maximum release and hold-off pressure-parking chamber (Section 6)Force output and stroke-parking chamber (Section 7)Force output and stroke-service chamber (Section 8)Low temperature leakage-parking and service chambers (Section 9)Low temperature maximum release and hold-off pressure (Section 10)Low temperature force output-parking chamber (Section 11)Low temperature operational test-service chamber (Section 12)Corrosion resistance-parking and service chamber (Section 13)Mechanical back-off release mechanism (Section 14)Proof pressure test-parking and service chambers (Section 15)Cycle test-parking chamber (Section 16)Cycle test-service chamber (Section 17)Elevated temperature cycle test-parking and service chambers (Section 18)Vibration test (Section 19.1)Test Sequence ChartThe test sequence as charted in the òTest Sequence Chartó shall be mandatory (see Figure 1).PurposeThis document provides uniform procedures and methods for laboratory testing of brake actuators used in air brake systems.?TEST SEQUENCE CHARTProduct Code:SAE AMS4291
Title:Aluminum Alloy, Die Castings 8.5si - 3.5cu as Cast
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of die castings.