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1. This Specification is intended to apply, primarily, to simple-span highway bridges of 300 feet or less, including thos carrying street cars or freight cars with locomotives in addition to the regular highway traffic. It may be used, however, in designing simple-span bridges of greater length than 300 feet, as well as other types, including cantilever bridges, continuous bridges, arch…

ISO 21267-1:2003 lays down requirements for the preparation, administration and reproduction of technical drawings for railway applications. It complies with the requirements of EN, ISO or IEC Standards for technical drawings. It applies to technical drawings for railways, irrespective of technology i.e. mechanical, pneumatic, hydraulic, electronic etc. ISO 21267-1:2003 applies throughout the…

ISO 21267-2:2003 gives requirements for the preparation and reproduction of design parts lists for railway applications. It specifies the design parts list and describes the basic principles, their structure and the minimum requirements of a design parts list. ISO 21267-2:2003 applies throughout the total life span of the parts list. It applies to all the railway organizations and partners…

ISO 21267-3:2003 applies throughout the total life span of the documents. It applies to all the railway organizations and partners concerned with technical documents and to suppliers preparing documents on behalf of railway companies or railway network users. ISO 21267-3:2003 describes the basis of revising technical design documents for railway applications, without considering additional…

This document specifies the characteristic values for selected tilting-pad journal bearings with four or five centrally or eccentrically supported tilting pads and with angular spans of pad sliding surfaces of Ω = 80°, 60° and 45°. The functions plotted and listed in table form below are required for the operationally safe design of hydrodynamic tilting-pad journal bearings according to ISO/TS…