Randwick, N.S.W. (PRWEB) August 10, 2013
In the service of good construction and the motivation of making structures that will save human lives comes W.H. Cogill’s Constructed Layered Systems, a definitive work on measuring and analysis of ferroconcrete surfaces used in runway systems. It is a topnotch textbook for teachers, professionals and students and thorough, enlightening technical reading on a type of civil structure that is becoming more and more vital for commerce, transport and other needs. Aircraft make life easier, faster and safer–constant monitoring and testing of runways ensure that this autonomous part of air transport systems retains quality and worth through time.
Readers will find Cogill’s Constructed Layered Systems an important tool in understanding how airport runway construction in particular progressed to include modern construction measures. Here is a master schematics for technical testing of ferroconcrete layers that contains all the valuable and current data needed in this type of construction environment. Safety measures hewing as close as possible to what is currently known about human safety, environment, geography and usage are given due space. Focus is given on description of faults, dangerous situations in runway systems that need to be identified and tested.
The study of constructed layered systems is based on the results of the measurements of the velocity of waves on the free surface of a system. The velocity varies with the frequency. The manner of the variation can be interpreted mathematically to estimate the depths of the interfaces and the elastic properties of the component media of the system. The waves can be generated by the generated continuous oscillation of a point, usually at the free surface of the system. Alternatively, impact loads can be applied. Horizontally-polarized shear waves (SH waves) yield the most precise interpreted measurement of the depths of the interfaces. However waves of the Rayleigh type are easier to generate, needing only an impact load on the free surface of the system.
Airport runways may contain weaknesses which can lead to catastrophic failure. The testing measurements and analysis contained in Cogill’s work can assure close to perfect safety gradients and textures in runways. With data obtained from Cogill’s system, construction can put up granulation and compactness needed for all impact contingencies. All in all, Constructed Layered Systems will be a perfectly valuable volume for all applications in the airline industry and many types of general construction.
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About the Author
W.H. Cogill was born in Durban, South Africa, on 17th April 1927. After schooling in South Africa and England, he attended Capetown and Cambridge universities. He studied civil engineering at Capetown and obtained degrees from Capetown, Cambridge and University of New South Wales, Sydney, Australia. His research work includes studies of the viscosity of emulsions, strain hysteresis loops in metals, and measurements of surface waves on earthen layered systems.
Constructed Layered Systems * by W. H. Cogill
Measurements and Analysis
Publication Date: June 15, 2012
Trade Paperback; $29.99; 185 pages; 978-1-4771-1282-3
Trade Hardback; $49.99; 185 pages; 978-1-4771-1283-0
eBook; $3.99; 978-1-4771-1284-7
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