As Nzs 1170.2

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Vdcs, may be expressed as a function of height z, for some applications, e. For the purposes of this Standard. Other documents in this suite of Standards. Actions resulting from snow and ice on bridges.

If you continue browsing the site, you agree to the use of cookies on this website. The Joint Committee has considered exhaustive research and testing information from Australian, New Zealand and overseas sources in the preparation of this Standard. For intermediate values or s, use linear interpolation.

Methods for other types of enclosed buildings, exposed members, lattice towers, free walls, free roofs and other structures are given in the appropriate Appendices, C to F. You just clipped your first slide! This revision incorporates recent research and experiences from recent severe wind events in Australia and New Zealand. Statements expressed in mandatory terms in notes to tables and figures are deemed to be an integral part of this Standard.

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No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. For intermediate values of height and terrain category, use linear interpolation. Show related SlideShares at end. The Joint Committee is currently considering possible amendments following recent severe wind events, including tropical cyclone Yasi in Australia. Vulnerability of a site to avalanche, avalanche blast and landslide.

For intermediate values or roof slopes and hid ralios, linear interpolation shall be used. SlideShare Explore Search You. For intermediate values or A, linear interpolation shall be used. Selection of terrain category shall be made with due regard to the permanence of the obstructions that constitute the surface roughness. Successfully reported this slideshow.

That is, equals the maximum value of site wind speed U'sil. Visibility Others can see my Clipboard. We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Load per llnit aroa acts parallel to both tho surfaces of the wall. Load unil arca acls parallel to both the surfaces of fOuf.

This document may make references to other documents. Net pressures act normal to a surface in the direction specified. This Standard incorporates Amendment No. Potential openings include doors, windows and vents. Keeping Standards up-to-date Standards are living documents which reflect progress in science, hello kitty games for girls technology and systems.

Earthquake action and for a transition period afterwards. It may be used, in general, for all structures but other information may be necessary. All combinations of external pressure coefficients on U, T and D shall be checked. Load per uniL ureu adB parallel to Lho surface.

The permeability of a surface shall be calculated by adding areas of opening to leakage on that surface ofthe building e. References This document may make references to other documents.

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Dominant openings need not be large. Shielding from trees or vegetation is not permitted in this Standard. Values of shall be used in determining the pressures applied to each surface.

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The value of dimension a is the minimum of O. Click Buy for Online Library subscription. All Dynamic response factor Factor to account for the effects of iluctuating forces and resonant response on wind- sensitive structures.

Section 1 General

The changes required by the Amendment are indicated in the text by a marginal bar and amendment number against the clause, note, table, figure or part thereof affected. For New Zealand, introduction of alpine and sub-alpine regions.

Between editions, amendments may be issued. The annual probability of exceedance P defines the snow or ice event in which pressures and forces occur.

Clipping is a handy way to collect important slides you want to go back to later. Calculation of crosswind response is not required for porOllS lattice towers. The terms normative and informative have been used in this Standard to define the application of the appendix to which they apply. Informative documents referred to in this Standard are listed in Appendix A.

All referenced documents are displayed below. Special studies such as wind-tunnel testing ShOll Id be undertaken. As Glass in Buildings - Selection and Installation. The reference height h shall be taken as the average height of the roof. Be the first to like this.

It is important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Users should seek other sources for advice on possible values of damping as a function of height of building and amplitude of vibration. Reissued incorporating Amendment No. PosHive vulue of Cfig indicales pressur!

Increase in load due to heavy rain falling on snow. This structural assessment shall include elements such as supports, frames, jambs, roller door guides, windlocks and fixings where the resistance of roller doors relies on those. Now customize the name of a clipboard to store your clips. Such systems affect a large area and, in the southern hemisphere, winds spiral clockwise into the centre. Pressures are taken as positive, indicating pressures above ambient and negative, indicating pressures below ambient.

AS/NZS 1170.2 2011 (Reconfirmed 2016)

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