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Handbook of Steel Drainage Highway Construction PRODUCTS American Iron and Steel Institute 1101 17th Street N W Suite 1300 Washington DC USA 20036 4700 Copyright 1984 American Iron and Steel Institute Published by Corrugated Steel Pipe Institute 652 Bishop Street North Unit 2A Cambridge Ontario Canada N3H 4V6 All rights reserved including the right of translation and publication in foreign countries First Canadian Edition First Printing April 1984 Second Printing March 1991 Third Printing May 1995 Second Canadian Edition First Printing June 2002 Second Printing November 2007 The material presented in this book has been prepared for the general information of the reader It should not be used without first securing competent professional advice with respect to its suitability for any given application While the material is believed to be technically correct neither the American Iron and Steel Institute nor the Corrugated Steel Pipe Institute nor the companies represented by these associations warrant its suitability for any general or Continue to download »
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A bolt having one end in the form of a hook hydraulic gradient A line which represents the relative force available due to the potential energy available This is a combination of energy due to the height of the water and internal pressure In an open channel the line corresponds to the water surface In a closed conduit if several openings are placed along the top of the pipe and open end tubes inserted a line connecting the water levels in the tubes represents the hydraulic grade line hydraulic jump Transition of flow from the rapid to the tranquil state A varied flow phenomenon that produces a rise in elevation of backwater flow surface A sudden transition from supercritical flow to subcritical flow conserving momentum and dissipating energy hydraulic radius The cross sectional area of a stream of water divided by the length of that part of its periphery in contact with its containing conduit the ratio of area to wetted perimeter horizontal ellipse A long span corrugated steel structure with the major diameter horizontal hydraulics That branch of science or 
Comparison between torque wrench and hydraulic bolt tightening Tightening of an existing bolted assembly Design of a new bolted assembly 19 26 26 34 Simultaneous hydraulic bolt tightening Simultaneous tightening of 100 of the bolts Simultaneous tightening of 50 of the bolts Simultaneous tightening of 25 of the bolts 37 37 38 39 Conclusion 43 Guide du serrage GB 11 04 01 15 16 Page 4 Introduction Without a doubt bolted assemblies are the most commonly used joints in mechanics These types of assemblies employ two basic elements on the one hand some kind of threaded component screws and nuts studs with nuts on one end studs with nuts on both ends These components are sometimes used with different kinds of washers Fig 1a below on the other hand some means for tightening These types of tightening means are the subject of this Handbook In this document the word bolt will be used in a generic sense to cover all three of the types of screwing components mentioned above Although bolted 
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