标准名称：	镜质体反射率的煤化程度分级
发布部门：	国家安全生产监督管理总局
发布日期：	2011-11-16
实施日期：	2012-05-01
首发日期：
作废日期：
出版社：	煤炭工业出版社
出版日期：	2012-05-01
书号：	0

本标准适用于抗震设防区建筑物的抗震鉴定、加固项目。

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1 总则 2 基本规定 3 建筑抗震鉴定 4 建筑抗震加固设计 5 建筑抗震加固施工 6 建筑抗震加固工程计价

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Product Code:SAE J2180
Title:A Tilt Table Procedure for Measuring the Static Rollover Threshold for Heavy Trucks
Issuing Committee:Truck And Bus Total Vehicle Steering Committee
Scope:The test procedure applies to roll coupled units such as straight trucks, tractor semitrailers, full trailers, B-trains, etc. The test is aimed at evaluating the level of lateral acceleration required to rollover a vehicle or a roll-coupled unit of a vehicle in a steady turning situation. Transient, vibratory, or dynamic rollover situations are not simulated by this test. Furthermore, the accuracy of the test decreases as the tilt angle increases, although this is a small effect at the levels of tilt angle used in testing heavy trucks. The test accuracy is accepted for vehicles that will rollover at lateral acceleration levels below 0.5 g corresponding to a tilt table angle of less than approximately 27 degrees. Even so, the results for heavy trucks with rollover thresholds greater than 0.5 g could be used for comparing their relative static roll stability.The purpose of this SAE Recommended Practice is to provide an interim test procedure for using tilt tables to measure a static rollover threshold for heavy trucks.