Structural Analysis: Skills for Practice encourages engineering students to develop their intuition and the habit of evaluating the reasonableness of structural analysis results. The author presents examples and homework problems that incorporate a consistent thought process structure―guess, calculate, and evaluate their results―helping students develop the metacognitive skill of thinking about their own thought process. The text presents content not seen in other structural analysis books that students need to know to pass their licensure exam and frames ideas in the context of how they will apply it on the job. Drawing upon the evaluation skills gathered from a six year project with experienced structural engineers, Hanson’s Structural Analysis helps students learn skills to transition from novice to expert faster and become more competent in their careers.
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The endurance time method (ETM) is a seismic analysis procedure in which intensifying dynamic excitations are used as the loading function, and it provides many unique benefits in the design of structures. It can largely reduce the computational effort needed for the response history analysis of structures. This aids in the practical application of response history-based analysis in problems involving very large models and/or requiring numerous analyses to achieve optimal design goals. A single response history analysis through ETM provides an estimate of the system response at the entire range of seismic intensities of interest, thus making it ideal for applications such as seismic risk assessment, life-cycle cost analysis, and value-based seismic design. Conceptual simplicity also makes ETM a useful tool for preliminary response history analysis of structural systems.
Features:
Presents full coverage of the subject from basic concepts to advanced applied topics.
Provides a coherent text on endurance time excitation functions that are essential in endurance time analysis.
Seismic Analysis and Design using the Endurance Time Method serves as a comprehensive resource for students, researchers, and practicing structural engineers who want to familiarize themselves with the concepts and applications of the endurance time method (ETM) as a useful tool for dynamic structural analysis.
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Structural Design for Physical Security State of the Practice (MOP 142)
Author(s)/Editor(s): American Society of Civil Engineers, Peggy Van Eepoel, Sharon M. Gallant | Size: 12.8 MB| Format:PDF| Quality:Original preprint| Publisher: American Society of Civil Engineers| Year: 2021| pages: 471 | ISBN: ISBN-10:0784415498 ISBN-13:978-0784415498
Prepared by the Task Committee on Structural Design for Physical Security of the Blast, Shock, and Impact Committee of the Dynamic Effects Technical Administration Committee of the Structural Engineering Institute of ASCE
Structural Design for Physical Security, MOP 142, provides an overview of the typical design considerations encountered in new construction and renovation of facilities for physical security. The constant change in threat tactics and types has led to the need for physical security designs that account for these new considerations and anticipate the environment of the future, with flexibility and adaptability being priorities. This Manual of Practice serves as a replacement for the 1999 technical report Structural Design for Physical Security: State of the Practice and is intended to provide a roadmap for designers and engineers involved in physical security. It contains references to other books, standards, and research.
Topics include:
Threat determination and available assessment and criteria documents,
Methods by which structural loadings are derived for the determined threats,
Function and selection of structural systems,
Design of structural components,
Function and selection of window and façade components,
Specific considerations for retrofitting structures,
Testing methodologies, and
Bridge security.
This book will be a valuable resource to structural engineers and design professionals involved with projects that have physical security concerns related to explosive, ballistic, forced entry, and hostile vehicle threats.
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Kutools for Excel is a handy Excel add-in with more than 300 advanced features to simplify various kinds of complicated tasks into a few clicks in Excel. For example, Excel users can easily combine worksheets with several clicks, merge cells without losing data, paste to only visible cells, and so on. Undoubtedly, this powerful and user-friendly add-in will save Excel users a mass of working time and greatly improve working efficiency.
110,000+ Excel users' choice.
Combine multiple worksheet or workbooks into one workbook.
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Split cell contents into multiple rows/columns by space/comma/delimiter.
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Design and Control of Concrete Mixtures,17th Edition
Author(s): Michelle L. Wilson and Paul D. Tennis Edition: 17th Publish Date: 2021 ISBN: 0893122807 Published By: PCA Related Links:
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Author(s)/Editor(s): Tony Allen| Format:PDF| Quality:Original preprint| Publisher: Materials Laboratory, Engineering and Regional Operations| Year: June 1, 2021| pages: 972
The Geotechnical Design Manual focuses on geotechnical design, construction, and maintenance to ensure that the soil or rock beneath the ground surface can support the loads and conditions placed on it by transportation facilities.
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Author(s)/Editor(s): Bernhard Wietek | Size: 11.8 MB| Format:PDF| Quality:Original preprint| Publisher: Springer| Year: September 3, 2021 | ISBN: 9783658344818
This new edition of the book helps the user to correctly use fiber-reinforced concrete as a building material in accordance with its properties in order to create a long-lasting building to create a long-lasting building for the client at low cost. The chapters on chapters on the properties, design and processing of fiber-reinforced concrete.Fiber-reinforced concrete as an extension of concrete offers considerable advantages for building practice, which, based on the material properties, allow a very long service life.
Fiber-reinforced concrete is particularly suitable for an aggressive environment such as salt exposure, since corrosion can be completely avoided.Particular attention is also paid to the shrinkage cracks that occur in the concrete and how they can be and how these can be avoided when using fibers.
Fiber-reinforced concrete, with its material properties, acts over the entire cross section cross-section in the non-cracked state and thus also offers protection against internal protection against internal destruction. It is a building material that achieves its full static effect in the non-cracked state similar to most other building materials such as wood, steel, glass, etc.
This book is a translation of the original German 3rd edition Faserbeton by Bernhard Wietek, published by Springer Fachmedien Wiesbaden GmbH, part of Springer Nature in 2020. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation. Springer Nature works continuously to further the development of tools for the production of books and on the related technologies to support the authors.
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Author(s)/Editor(s): (NFPA) National Fire Protection Association | Size: 270 MB| Format:PDF| Quality:Original preprint| Publisher: Delmar Cengage Learning| Year: September 18, 2019 | ISBN: 1455922978
Prepare for the electrical challenges of tomorrow, today, with NFPA 70, National Electrical Code (NEC), 2020 edition.
The world never stops changing, so it's crucial to keep learning how to keep it safe. Incorporated by reference in all 50 states and used across the globe, NFPA 70®, National Electrical Code® (NEC®), is the benchmark standard for electrical safety in residential, commercial, and industrial settings.
NFPA 70, NEC, was first published in 1897 and is continually put through a rigorous review process to keep it up to date with the most current industry practices, emerging trends, and the development and introduction of new technologies. The new NEC provides the latest requirements for safer and more effective electrical design, installation, and inspection, including provisions for wiring, overcurrent protection, grounding, and equipment.
Get up-to-code and prepared for the safety challenges of new sources of electrical power with the NEC, 2020 edition.
The revised and expanded NFPA 70, National Electrical Code, features state-of-the-art information for safe electrical practices for public and private buildings, homes and structures, outdoor yards and lots, utility equipment, installations that connect to the power grid, and consumer-owned power generation systems and equipment.
Content has been added, edited, and reorganized to address safety for workers, energy systems and electric vehicles, limited energy, and communication systems.
Impactful changes include:
New requirements for exterior emergency disconnects of one- and two-family dwellings for improved electrical safety for emergency responders
Revisions to service disconnect rules to help protect electrical workers from arc flash hazards
Adapted and adjusted requirements for installation practices of new technologies to meet the evolving demand of power over Ethernet
Updates to modernize tables currently in use for calculations to reflect improvements in energy efficiency and align with evolving codes
Revised requirements for ground-fault protection within marinas and boatyards
Introduction of guidelines for the safe use of electric vehicles (electric vehicle power export equipment) as a backup or emergency power source for a building or a home
Reorganization of Article 310, including new user-friendly numbering for important ampacity tables, and new definition for cable bundle in Article 725
Relocation of surge protection device requirements to new Article 242
Revisions to alternative energy systems and electric vehicle requirements to clarify what portions of the PV system are covered by the requirements of Article 690 and the line side and load side connections of interconnected power supply sources, and to clearly distinguish energy storage systems from storage battery systems
Reorganization of Article 800 to provide a general set of requirements to apply throughout the Chapter 8 articles
Revisions to requirements for communications cables that are also carrying power to communication devices and revisions to the current limit for cables carrying power and data
The NEC, 2020 edition, introduces significant new requirements for:
The residential installation of receptacle outlets serving island and peninsular countertops and for surge protection of services supplying dwelling units
Working space for “housekeeping pads” for electrical equipment, the installation of wiring methods in exit enclosures, sizing supply and load conductors used with adjustable-speed drive systems, and AFCI protection of branch circuits in patient sleeping areas in care facilities
Calculating the load of electric vehicle supply equipment with variable current settings
Worker safety in identifying the source of power for disconnecting means and for egress from spaces containing large electrical equipment
Grounding of disconnecting means installed on the supply-side of service disconnecting means
Cables installed exposed on ceiling surfaces and sidewalls
Special occupancies, special equipment, and special conditions, including installation of splash pads, the use of “Type P” cables in hazardous classified locations, and the reinspection of swimming pools and other bodies of water
Help protect life and property with the most relevant electrical requirements.
Get the cutting edge information you need to identify and overcome the latest hazards and complexities in electrical work. Order your copy of NFPA 70®, National Electrical Code, 2020 edition, today.
Interested in other editions of the NEC? Use the drop down menu above to select the edition year you need.
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Author(s)/Editor(s): Jeffrey Evans, Daniel Ruffing , David Elton | Size: 112 MB| Format:PDF| Quality:Original preprint| Publisher: CRC Press| Year: September 17, 2021| pages: 431 | ISBN: 0415695120
Ground improvement has been one of the most dynamic and rapidly evolving areas of geotechnical engineering and construction over the past 40 years. The need to develop sites with marginal soils has made ground improvement an increasingly important core component of geotechnical engineering curricula. Fundamentals of Ground Improvement Engineering addresses the most effective and latest cutting-edge techniques for ground improvement.
Key ground improvement methods are introduced that provide readers with a thorough understanding of the theory, design principles, and construction approaches that underpin each method. Major topics are compaction, permeation grouting, vibratory methods, soil mixing, stabilization and solidification, cutoff walls, dewatering, consolidation, geosynthetics, jet grouting, ground freezing, compaction grouting, and earth retention.
The book is ideal for undergraduate and graduate-level university students, as well as practitioners seeking fundamental background in these techniques. The numerous problems, with worked examples, photographs, schematics, charts and graphs make it an excellent reference and teaching tool.
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EC 61400-1: 2014: Wind turbines – Part 1: Design requirements
Author(s)/Editor(s): International Electrotechnical Commission | Size: 1.3 MB| Format:PDF| Quality:Original preprint| Publisher: Multiple. Distributed through American National Standards Institute (ANSI)| Year: 2014| pages: 194
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