This handbook contains information on materials, equipment, and procedures for repairing asphalt cement concrete (ACC) pavements. Problem areas are also presented for the types of maintenance and repair of ACC pavements. Additional information can be found in the references listed in the following paragraph. AF Records Disposition. Ensure that all records created by this handbook are maintained and disposed of IAW AFMAN 37-139, “Records Disposition Schedule.”
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Numerical Solution of Partial Differential Equations in Science and Engineering
Author: Leon Lapidus, George F. Pinder | Size: 11.9 MB | Format:PDF | Publisher: Wiley | Year: 1999 | pages: 677 | ISBN: 9780471359449
Incorporates the essential elements of all the numerical methods currently used in the solution of partial differential equations encountered in science and engineering. Considers partial differential equations by their type (parabolic, elliptic, or hyperbolic), and applies all relevant numerical schemes to each type. All material included is presented free of specialized notation and terminology.
From the reviews of Numerical Solution of Partial Differential Equations in Science and Engineering:
* "The book by Lapidus and Pinder is a very comprehensive, even exhaustive, survey of the subject . . . [It] is unique in that it covers equally finite difference and finite element methods."-Burrelle's.
* "The authors have selected an elementary (but not simplistic) mode of presentation. Many different computational schemes are described in great detail . . . Numerous practical examples and applications are described from beginning to the end, often with calculated results given."-Mathematics of Computing.
* "This volume . . . devotes its considerable number of pages to lucid developments of the methods [for solving partial differential equations] . . . the writing is very polished and I found it a pleasure to read!"-Mathematics of Computation
Contents:
Fundamental Concepts.
Basic Concepts in the Finite Difference and Finite Element Methods.
Finite Elements on Irregular Subspaces.
Parabolic Partial Differential Equations.
Elliptic Partial Differential Equations.
Hyperbolic Partial Differential Equations.
Index.
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Description
The objective of this book is to provide engineers with the necessary tools and techniques for formulating plans, designs, cost estimates and specifications for pipeline construction and field maintenance and modernization programs. Packed with easy to read and understand tables, pipeline schematics, bullet lists and "what to do next" checklists. This easy to use book covers the design, construction, and operation of onshore pipeline systems. The incorporate construction methods, commissioning, pressure testing, and start up into the design of a pipeline system. The focus is on pipeline routing, mechanical design, construction methods, hydraulics, installation, and operations of onshore pipeline systems. With this book readers will acquire and/or consolidate the essential knowledge and skills to design, construct, and operate pipelines. Design and simulation problems are an integral part of this book. With this book in hand, engineers will be able to:
Routine auditing of technical work output relative to technical input and established criteria and expectations.
Assessment and estimation of work scope including pipeline design integrity and resourcing requirements from enquiry through to project completion.
To carry out conceptual designs in support of concept selection studies.
Audience:
Piping Engineers, Designers, Civil Engineers, Mechanical Engineers, Petroleum Engineers, Chemical Engineers, Project Production Engineers and Project Reservoir Engineers
Contents:
1. Design Basis
2. Route Selection
3. Alignment Sheets
4. Wall Thickness Definition
5. Pipeline Analyses
6. Pipeline End Expansion Analysis
7. Tie-In Spool Expansion Spool and Riser Design
8. Corrosion Protection
9. Specification Writing, Data Sheet Production, Requisition Development & Bid Analysis of Associated Materials and Valves
10. Installation Studies
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Full title: Buckling Experiments: Experimental Methods in Buckling of Thin-Walled Structures: Shells, Built-Up Structures, Composites and Additional Topics, Volume 2
Author: Alexander M. Khludnev, V. A. Kovtunenko | Size: 1.94 MB | Format:DjVu | Publisher: Computational Mechanics, Inc. | Year: 2000 | pages: 386 | ISBN: 185312625X
Analysis of Cracks in Solids: Advances in Fracture Mechanics
The need for progress in modelling and analysis of crack problems in solids has resulted in renewed attempts at using modern approaches to boundary value problems. By taking a different viewpoint on the traditional treatment of many problems, such as crack theory, the range that can be resolved through mathematical tools is enlarged. This book provides a fresh outlook on crack problems, displaying new methods of studying these and proposing new models for cracks in elastic and nonelastic bodies satisfying physically suitable nonpenetration conditions between crack faces. Two- and three-dimensional bodies, plates and shells with cracks are considered. Properties of solutions such as existence of solutions, regularity up to the crack faces, and convergence of solutions as parameters of a system are varying are established, while different constitutive laws such as elastic, thermoelastic and elastoplastic are also analysed. The new approach presented by the authors is intriguing because it fails to lead to violation of physical properties. In addition, the boundary conditions analysed are given in the form of inequalities, and are properly nonpenetration conditions of crack faces. This implies that similar problems may be considered from the contact mechanics standpoint. The contents are divided under the following headings: Introduction; Cracks in Plates and Shells; Cracks in Complicated Plates; Variation of Cracks in Solids; and Cracks in Elastoplastic Bodies.
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This part of this European Standard specifies the requirements for cold formed non alloy steel sheet piling produced from hot rolled strip or sheet with a thickness equal to or greater than 2mm in respect of its chemical composition, mechanical and technological properties and delivery conditions. The products specified are for general, structural and civil engineering works. Requirements concerning the tolerances on shape and dimensions are specified in Part 2 of this European Standard.
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This part of this European Standard specifies the tolerances on dimensions, squareness of ends, straightness and mass of cold formed non alloy steel sheet piles which are defined in EN 10249-1.
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This Part of this European Standard specifies the requirements for hot rolled non alloy steel sheet piling in respect of its chemical composition, mechanical properties and conditions of delivery. The products specified are for general, structural and civil engineering works. Requirements in respect of tolerances on shape and dimensions are specified in Part 2 of this European Standard.
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This Part of this European Standard specifies the tolerances on dimensions, squareness of ends, straightness and mass of hot rolled non alloy steel sheet piles which are defined in EN 10248-1.
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In 1971 the Institution of Structural Engineers published a report on the Stability of modern buildings as a result of its conference on industrialized buildings, the collapse of prefabricated buildings under erection at Aldershot and the aftermath of the tragic accident at Ronan Point. That report was largely concerned with high-rise construction, and it was in 1984 that the Institution formed a Committee to prepare a successor to deal
with stability of all types of building whether high or low rise.
The new report was to describe the disturbing forces, to advise on stability for most forms of construction, and to consider stability during construction.
One ofthe difficulties facing the Committee was to arrive at a definition of stability for buildings and how to separate considerations of stability from those of strength. Expressions such as 'sensitivity', 'structural integrity', 'robustness' and 'lack of obviousor hidden wobbliness' were put before the Committee but rejected in favour of 'stability' with a definition in the text.
The report sets out the many aspects of design and construction that have to be taken into account so that structures remain in a stable state at all times. It is hoped that it will make a positive contribution to good practice in the office and on site.
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Guidance on planning and conducting investigations including a description of test methods and interpretation of results. Ilustrates the relationship between strength of standard test specimens and that in a structure.
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