ISO 2361-1 PDF

EN- ISO Mechanical Vibration and shock – Evaluation of human exposure to whole body vibration, part 1 General requirements. EN . tional Standards is carried out through ISO technical committees. International Standard ISO was developed by Technical Committee ISO/TC The standard ISO () provides a guidance, which can be used to measure, evaluate and assess effects of whole-body vibration to discomfort.

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The evaluation of the level of exposure to vibrations is based on the computation of the daily exposure, expressed over a period of eight hours. Based on the indications from SR ISO the evaluation of the vibrations for health, comfort, and perception are presented as experimental results. In this context, the necessity of compliance with the minimum health and safety requirements imposed by the current legislation are highlighted. Mechanical vibration and shock — Evaluation of human exposure to whole-body vibration — Part 1: Bratu, Physical instability and functional uncertainties of the dynamic systems in resonance, Applied Mechanics and Materials,pp.

Bratu, Corrective analysis of the parametric values from dynamic testing on stand of the antiseismic elastomeric isso in correlation with the real structural supporting layout, Applied Mechanics and Materials,pp. Bratu, Evaluation of the dissipated energy in viscoelastic or hysteretic seismic isolators, Romanian Journal of Acoustics and Vibration, 9 1pp.

Bratu, The variation of the natural frequencies of road vibrator-rollers, as a function of the Parameters of Neoprene Vibration Isolation Elements, Materiale Plastice, 48 2pp. Ciuncanu, Test performance evaluation for elastomeric anti-seismic devices on specialized stands with controlled generation excitation functions, 22th International Congress on Sound and Vibration, Florance, Italy, Ciuncanu, The influence of the excitation signal form on the evaluation of the damping characterics of the elestomeric antiseismic isolators, Bucuresti, SISOM mai Alexandru, Influence of position angle of elastic anti-vibration elements on the transmissibility, Romanian Journal of Acoustics iwo Vibration, 11 1pp.

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Alexandru, Analysis of the dynamic behavior of the antiseismic elastomeric isolators based on the evaluation of the 23661-1 dissipated energy, Applied Mechanics and Materials,pp.

Analysis of the Human Health and Safety Requirements to Vibration Generated Risks

Gillich, Some models of elastomeric isi isolation devices, Applied Mechanics and Materials,pp. Praisach, Modal identification and damage detection in beam-like structures using the power spectrum and time-frequency analysis, Signal Processing, 96 Part App.

Bratu, Elastic bearing systems for machines and equipment, pages, Technical Publishing House, Murzea, Analysis of the behavior of large-span structures in the case of ambient vibrations considering the variety of motion possibilities, Romanian Journal of Acoustics and Vibration, 10 1pp.

Applied Mechanics and Materials Volume Nicolae Herisanu and Vasile Marinca.

This paper describes the model of heavy metal-Cu contaminated soil remediation standard value based on risk assessment. In the Cu contamination risk assessment model, the main exposure methods are oral ingestion and inhalation through breathing, which not only simplifies the calculation but also make people get a clearer understanding of the way of Cu contamination. We get the simplified formula, calculate and discuss Cu contaminated soil remediation target value in specific parameters to provide reference and basis for the remediation of Cu contaminated soil.

Vibration at work

Based on the process of health risk assessment for Cd contaminated sites, study the relationship between exposure duration and recommended target of soil remediation. This paper 261-1 the changes from 7.

The results point out that both EDa and EDc have effects on recommended target of soil remediation, and in general, exposure duration and recommended target of soil remediation vary inversely.

Noise, Vibration and Harshness NVH is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. NVH parameters which consist of noise unwanted soundvibration mechanical oscillation and harshness severity or discomfort of noise or vibration need to be evaluated in order to improve comfort and safety levels for vehicle occupants.

The project aim was to identify the preferable solution that can improve the NVH parameters of the vehicles in accordance to the standard and test protocols. A 4×4 Troop Transporter vehicle which carried 8 persons at the rear cabin was used in the NVH testing. The vibration parameters studied are hand arm vibration HAVfocussing on vibration on the steering wheels of the vehicle, and whole body vibration WBVfocussing on vibration on the seats.

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For noise, it was measured at the driver cabin and rear cabin of the vehicles.

Vibration at work – vibrations on the workplace – measurement and survey

From the uso, the HAV value for driver during idle speed was found to be higher than the others velocity. In the assessment of health risks of environmental pollutants, both conventional methods and probabilistic methods based on the use of cumulative probability isl have been used.

Probabilistic risk assessment has the advantage that the statistical distributions of both the exposure data set and the adverse effect data set are taken into account in risk characterization. In addition, the method of overall risk probability ORP has been used to quantify the overall risk probability of adverse effects for the population samples. The disadvantage is that many more data points are needed to obtain the cumulative probability plots and the calculation of 2361- ORP from the probability plots is more complicated.

In this 236-1, a simplified computational method for the estimation of the ORP was developed. In this method, an overall risk factor ORFas an estimated value of the ORP value, was obtained from the mid-point of an exposure exceedence curve. The ORF can also be obtained from an inversed cumulative probability plot of the exposure curve, thus eliminating the needs for the use of the exposure exceedence curve and the numerical integration of the exceedence curve in ORP computation.