GB/T 28784.2-2014: Mechanical vibration -- Measurement of vibration on ships -- Part 2: Measurement of structural vibration

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Scope

This Part of GB/T 28784 gives guidelines, and specifies requirements and
procedures for the measurement, diagnostic evaluation and reporting of
structural vibration of ships, excited by the propulsion plant. Structural vibration
can be of global or of local nature. Here, primarily global vibration is dealt with.
Local vibration of deck structures from a habitability point of view is dealt with
in GB/T 7452. Occurrence of local vibration leading to fatigue damage is rare
and strongly related to the individual configuration. Therefore, no general
guideline for the measurement of such type of vibration is provided within the
scope of this Standard (all parts). For reference, some basic information
regarding the design of structures with respect to local structural vibration is
provided in Annex D.
This Part does not consider transient ship vibration phenomena, e.g., as excited
by slamming.
Even though torsional shaft or crankshaft vibration can in some cases cause
relevant structural vibration, they are not considered here. In this connection,
reference can be made to the relevant classification rules and Part 4 of this
Standard.

Basic Data

Standard ID	GB/T 28784.2-2014 (GB/T28784.2-2014)
Description (Translated English)	Mechanical vibration -- Measurement of vibration on ships -- Part 2: Measurement of structural vibration
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Classification of International Standard	17.160
Word Count Estimation	19,129
Date of Issue	6/24/2014
Date of Implementation	3/1/2015
Older Standard (superseded by this standard)	GB/T 7453-1996; GB/T 14697-1993; GB/T 14696-1993
Quoted Standard	ISO 2041
Adopted Standard	ISO 20283-2-2008, IDT
Regulation (derived from)	National Standards Bulletin No. 14 of 2014
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the structure of the vibration caused by the ship propulsion device measurement, diagnostic evaluation and reporting guidelines, the provisions of the relevant requirements and methods. Structural vibration can be manifested as hav