This document specifies the principles for the implementation of a system of cathodic protection
against corrosive attacks on buried metal tanks and associated piping.
This document specifies conditions and parameters to be met in order to achieve cathodic protection,
as well as rules and procedures for the design, installation, commissioning and maintenance for the
protection of buried metal tanks and associated piping.
This document is applicable to the external surfaces of buried metallic tanks and associated buried
piping.
NOTE The protection of internal surfaces is covered by EN 12499.
This document is applicable to buried tanks and associated piping, even if they are earthed by their
own local earthing device, which are electrically separated from any general earthing systems and
other buried structures.
Therefore tanks which are covered by the present document include:
industrial storage tanks, irrespective of their dimensions and the nature of the stored medium
(liquid or gas, flammable or not, toxic or non-toxic, polluting or not);
tanks used at petrol stations and on domestic or commercial premises, which contain flammable
liquids or gases or polluting substances.
This document is not applicable to:
above-ground storage tank floors in contact with the ground;
reinforced concrete containers;
buried storage tanks that are electrically connected to the whole or a part of an industrial
complex;
buried storage tanks electrically connected to any general earthing systems.
NOTE Cathodic protection of the last two types of tanks is covered by prEN 14505.
Measurement techniques are described in detail in EN 13509.
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ISO 15835-1:2009 Steels for the reinforcement of concrete — Reinforcement couplers for mechanical splices of bars - Part 1: Requirements
This part of ISO 15835 specifies requirements for reinforcement couplers, hereafter called couplers, to be used for splicing of steel reinforcing bars.
This part of ISO 15835 specifies requirements for couplers to be used for mechanical splices in reinforced concrete structures under predominantly static loads and additional requirements for couplers to be used in structures subject to high cycle elastic fatigue loading and/or to low cycle elastic-plastic reverse loading.
This part of ISO 15835 is intended to be applicable in relation to the various reinforced concrete design standards as well as in relation to the various standards for steel reinforcing bars.
This part of ISO 15835 also provides directions for the evaluation of conformity of couplers.
Compression-only couplers such as end-bearing sleeves are not covered by this part of ISO 15835
ISO 15835-2:2009 Steels for the reinforcement of concrete — Reinforcement couplers for mechanical splices of bars - Part 2: Test methods
This part of ISO 15835 specifies test methods applicable to couplers for mechanical splices of steel reinforcing
bars.
This part of ISO 15835 is intended to be applicable in relation to the various standards for steel reinforcing
bars as well as in relation to the various reinforced concrete design standards.
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Proceedings of the International Workshop on Rock Mass Classification in Underground Mining
Author: Edited by Christopher Mark, Ph.D., P.E., Rimas Pakalnis, P.Eng., and Robert J. Tuchman | Size: 10.67 MB | Format:PDF | Publisher: DEPARTMENT OF HEALTH AND HUMAN SERVICES, Centers for Disease Control and Prevention National Institute for Occupational Safety and Health Pittsburgh Research Laboratory Pittsburgh, PA | Year: 2007 | pages: 168 | ISBN: DHHS (NIOSH) Publication No. 2007–128
Rock mass classification is widely used throughout the underground mining industry—in both coal and hardrock mines. It is used in all stages of the mining process, from site characterization to production operations. The goal of the International Workshop on Rock Mass Classification in Underground Mining was to provide a forum for leading practitioners of rock mass classification to come together and share their methods and experiences with the technique. The workshop was held in Vancouver, British Columbia, Canada, on May 31, 2007. It was co-chaired by Christopher Mark, Ph.D., P.E., National Institute for Occupational Safety and Health, Pittsburgh, PA, and Rimas Pakalnis, P.Eng., University of British Columbia, Vancouver, Canada.
The proceedings of the workshop contain 16 invited papers from 9 countries, reflecting the international depth and breadth of current practice. Applications in both hard-rock and coal mining are well represented. Some of the topics that were addressed at the workshop include:
• Major rock mass classification systems used in mining and their variants
• Collection of input data through observation, rock testing, and geophysics
• Design of mine layouts and rock support systems using classification
• Estimation of rock mass strength and other input parameters for numerical models from classification
• Applications in weak rock, raise boring, cavability assessment, and other special topics
• Risk assessment using rock mass classification
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please can any one upload all the manual series of asphalt institute or can any one upload the software of aasshtowares darwin 3.1 please i will be much greatfull....
Author: Robert de Levie | Size: 31,5 MB | Format:PDF | Publisher: Oxford University Press, USA | Year: January 15, 2004 | pages: 638 | ISBN: 0195152751
Excel is the leading spreadsheet both in its widespread distribution and in its computational features. In scientific research, spreadsheets are often used to organize and plot experimental results for reports and papers. Spreadsheets are also much-used tools in teaching some of the more quantitative aspects of science. This guidebook is different from the majority of existing Excel books in that it emphasizes the design of solutions to unique problems rather than simply the mechanics of spreadsheet use. Its focus is on the use of Excel to analyze numerical experimental data usually encountered in the physical sciences. The core of the book discusses the two primary approaches to scientific data analysis, least squares and Fourier transformation. Other cases in which experiments must be compared with the results of numerical simulations are also briefly discussed. Macros are presented as examples that readers can modify for their own purposes. The text is illustrated throughout with practical examples.
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Now it's easier than ever for woodworkers to get a perfect finish on every project! This book dispels the myths about wood finishing and explains exactly how and why every finish behaves the way it does.
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The art of finishing is best learned with complete, visual step-by-step instructions - and that is exactly what Taunton's Complete Illustrated Guide to Finishing offers you. Detailed process photography demystifies the process of finishing -- and you'll get the finish you want for all your projects.
Jeff Jewitt, a world-renowned wood finisher, provides an in-depth coverage of tools and materials and covers all of the key processes. You'll learn about everything from surface preparation to color matching. Especially valuable is the coverage of advanced and special techniques, not usually covered in general finishing books, including detailed information on adjusting color, disguising defects, toning, glazing, spray finishing and rubbing out a finish. This comprehensive finishing reference is the most complete and detailed book on the subject - and you will find it incredibly valuable no matter what your skill level.
Covers all the modern and traditional techniques for coloring and finishing wood.
Organized for quick access, makes it easy to find each technique.
Features over 850 photos and drawings illustrate the methods
Covers sanding and surface preparation, staining and applying topcoats, and final polishing.
Introduction
How to Use This Book
PART ONE: TOOLS
SECTION 1. The Finishing Environment
A Space to Finish
Temperature and Humidity
Lighting
Heating and Ventilation
Spraying Finishes
Spray Booths
Storing and Dispensing Finishing Products
Holding and Moving Work
Fire and Disposal Safety
SECTION 2. Tools for Surface Preparation
Sharpening
SECTION 13. Choosing a Finish
Evaluating a Finish
Brushing Basics
Spraying
Special Situations
SECTION 14. Reactive Finishes
Oils and Varnish
Conversion Finishes
Paint
SECTION 15. Evaporative Finishes
Shellac
Lacquer
SECTION 16. Water-Based Finishes
Hand Application
Spray Applicatioin
SECTION 17. Rubbing Out Finishes
Rubbing Out by Hand
Rubbing with Power
Resources
Index
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Fiber-reinforced polymers (FRPs) have been proposed for use instead of steel prestressing tendons in concrete structures. The promise of FRP materials lies in their high-strength, lightweight, noncorrosive, nonconducting, and nonmagnetic properties. This document offers general information on the history and use of FRP for prestressing applications and a description of the material properties of FRP. The document focuses on the current state of design, development, and research needed to characterize and ensure the performance of FRP as prestressing reinforcement in concrete structures. The proposed guidelines are based on the knowledge gained from worldwide experimental research, analytical work, and field applications of FRPs used as prestressed reinforcement. The current development includes a basic understanding of flexure and axial prestressed members, FRP shear reinforcement, bond of FRP tendons, and unbonded or external FRP tendons for prestressing applications. The document concludes with a description of research needs.
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Fiber-reinforced polymer (FRP) materials have emerged as a practical material for producing reinforcing bars and laminates for concrete structures. FRP reinforcing bars and laminates offer advantages over steel reinforcement in that FRP is noncorrosive and nonconductive. FRP reinforcing bars, grids, and tendons are being used for nonprestressed and prestressed concrete structures. FRP laminates are being used as external reinforcement for strengthening of existing concrete and masonry structures. Due to differences in the physical and mechanical behavior of FRP materials compared to steel, unique test methods for FRP bars and laminates are required. This document provides model test methods for the short-term and longterm mechanical, thermo- mechanical, and durability testing of FRP bars and laminates. It is anticipated that these model test methods may be considered, modified, and adopted, either in whole or in part, by a U.S. national standards-writing agency such as ASTM International or AASHTO. The publication of these test methods by ACI Committee 440 is an effort to aid in this adoption. The recommended test methods are based on the knowledge gained from research results and literature worldwide. Many of the proposed test methods for reinforcing rods are based on those found in "Recommendation for Design and Construction of Concrete Structures using Continuous Fiber Reinforcing Materials" published in 1997 by the Japan Society for Civil Engineers (JSCE). The JSCE test methods have been modified extensively to add details and to adapt the test methods to U.S. practice.
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