Author: Ivan S. Sokolnikoff | Size: 16.9 MB | Format:PDF | Publisher: McGraw Hill | Year: 1941 | pages: 537
A book on mathematics beyond the calculus, written from the point of view of the student of applied science. The chief purpose of the book is to help to bridge the gap which separates many engineers from mathematics by giving them a bird's-eye view of those mathematical topics which are indispensable in the study of the physical sciences.
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Autodesk Quantity Takeoff: Building material cost estimate software. Cost Estimating & Quantity Surveying Software. Autodesk® Quantity Takeoff building cost estimating software helps make material costing faster, easier, and more accurate. Cost estimators can create synchronized, comprehensive project views that combine important information from building information modeling (BIM) tools such as Revit® Architecture, Revit® Structure, and Revit® MEP software together with geometry, images, and data from other tools. Automatically or manually measure areas and count building components, export to Microsoft® Excel®, and publish to DWF™ format.
Features:
* Takeoff in minutes automatically—Perform a takeoff on an entire building information model (BIM) in just minutes through integration of 2D and 3D design data.
* Greater flexibility than typical databases or spreadsheets—Perform interactive examination of 3D models for material cost estimating purposes.
* Dynamic counting—Count and quantify design data quickly and easily.
* More efficient manual takeoff—Supports the takeoff of JPG, TIF, PDF, and other “nonintelligent” image formats.
* Share, query, and clarify—Generate quantities linked to specific objects. Mark up and “round-trip” your comments.
* Faster and more insightful quantity reports—Create summaries and detailed quantity surveying reports quickly and easily.
Installed in Windows 7 64 bit. This is a 32 bit applications and need the use of X-Force KG 32 bit. You cannot install if your Regional Settings (Format and Location in W7) are not one of included in EULA (received an error). I used Canada and English (Canada).
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IMPORTANT NOTICE: You may use this software for evaluation purposes only.
If you like it, it is strongly suggested you buy it to support the developers.
By any means you may not use this software to make money or use it for commercial purpose.
Author: C. F. Kollbrunner , K. Basler | Size: 7.5 MB | Format:PDF | Year: 1969 | pages: 280 | ISBN: 0387045821
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Author: Vasiliĭ Zakharovich Vlasov | Size: 16.9 MB | Format:PDF | Publisher: National Technical Information Service | Year: 1963 | pages: 493
The main results of Vlasov' s investigations are contained in his books "Tonkostennye uprugie sterzhni" (Thin-walled Elastic Beams) (First· Edition, 1940). "Stroitel' naya mekhanika tonkostennykh prostranstvennykh sistem'' (The Structural Mechanics of Thin-walled Spatial Systems) (1949) and "Obshchaya teoriya obolochek i ee prilozheniya v tekhnike" (The General Theory of Shells and its Application in Engineering) (1949), . The first of these books was awarded a Stalin Prize, First Class, in 1941 and the two others a Stalin Prize, Second Class, in 1950, The earlier monographs "Novyi metod rascheta tonkostennykh rizmaticheskikh skladchatykh pokrytii i obolochek" (A New Method of Designing Thin-walled Prismatical Hipped Roofs and Shells) (1933) and "Stroitel'naya mekhanika obolochek" (The Structural Mechanics of Shells) (1936) were essentially absorbed in the last two books,
The most important results were obtained by V. Z. Vlasov in the theory of cylindrical shells of intermediate length whose contour is either curved or of the form of a broken line (hipped systems). Vlasov introduces an exceptionally simple design model in which the shell is replaced by a spatial system of an infinite number of curved arcs, connected by ties which transmit the forces but not bending or torsional moments. In other words, the shell is inomentless [in a "membrane state"] in the longitudinal direction and may deflect transversely. This is the key to the behavior of a cylindrical shell of intermediate length, as Vasilii Zakharovich so elegantly demonstrated. Subsequent checking of his hypotheses has verified their complete validity. V. Z. Vlasov reduces the design of a cylindrical shell to that of a aiscrete-continuous system, and the partial differential equations of the shell to a system of ordinary equations. Vlasov' s variational method for the reduction of partial to ordinary differential equations is important in itself. Vlasov assigns the shell a finite number of degrees of freedom in transverse displacement and an infinite number in longitudinal displacement.
The calculation of the transverse displacements is then elementary and for the longitudinal displacements we obtain differential equations of a type familiar from the theory of structures.
Such methods were worked out by Vasilii Zakharovich Vlasov for the design of shells and hipped systems of open and closed section, and the design for stiffness of cylindrical shells with one or several ribs.
The theory of thin-walled beams may be obtained from the abovementioned theory. The basic features of the design of thin-walled structures were known before V. Z. Vlasov. It had been established that the Euler-Bernoulli technical theory of the bending of beams was not applicable to thin-walled beams because of the distortion (warping) of the section which has to do with the way of applying the statically equivalent loads to the end faces etc. The statement of the problem and its solution are very
fully described in Vlasov' s treatise on thin-walled beams. Design models for beams are lucidly described. In the expression for the normal stress there appears, besides the three usual terms, a term determined by the law of sectorial areas.
The theory permitted a complete solution of the problem of flexuraltorsional instability and of the vibrations of thin-walled elastic beams, and also the development of methods for the design of beams with elastic and rigid connections and of beams under transverse loads.
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About the author M. S. TROITSKY, PhD, has had extensive practical experience as a bridge engineer, designer, and consultant. After earning his doctorate in structural engineering from the University of Belgrade in 1943, he worked for twelve years as chief bridge engineer for the Foundation Company of Canada. There, he was responsible for the design and construction monitoring of nine major steel bridges, including arch, plate girder, suspension, truss, and cable-stayed bridges. He has also done consulting to private firms on structural problems, worked on the design of one cable-stayed bridge, and served as a primary designer on a two-span truss bridge reinforced by cables. Currently, Dr. Troitsky is Professor Emeritus of Civil Engineering at Concordia University in Montreal. He has also taught at the University of Montreal and McGill University, and at the University of California, Los Angeles.
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Author: A. Naaman, J. Breen | Size: 16.5 MB | Format:PDF | Publisher: American Concrete Institute | Year: 1990 | pages: 458
External prestressing--that is, the use of unbonded prestressing tendons outside the concrete section of a structural concrete member--offers substantial economic savings and a dramatic increase in construction speed, making it an extremely attractive option for the construction of new concrete structures, particularly bridges. It is also a logical choice for the rehabilitation and strengthening of many existing structures. ACI's symposium volume, External prestressing in Bridges, provides the last word on this important technological development Based on experience in both the U.S. and Europe, the book addresses:
*The state of the art,
*Technologies for construction,
*Applications in new construction and rehabilitation,
*Testing and experimental observations,
*Analysis and design considerations.
Covering practical construction information as well as analysis and design, this is required reading for anyone involved in building bridges.
Contents:
* External Prestressing: From Construction History to Modern Technique and Technology, by M.P. Virlogeux
* External Prestressing--A State of the Art, by A.S.G. Bruggeling
* Development of External Prestressing in Bridges--Evolution of the Technique, by P. Jartoux and R. Lacroix
* Properties of Polyaramid Ropes and Implications for Their Use as External Prestressing Tendons, by C.J. Burgoyne
* The Application of External Prestressing of Bridges in Germany, by H.S. Svensson
* External Prestressing in Bridges--The Example of the Sylans and Glacieres Viaducts (France), by P.X. Thao
* Texas SDHPT Experience with External Tendons on Segmental Bridges, by A. Matejowsky
* Re Island Bridge External Prestressing, by G. Causse * External Prestressing in Two-Chord Large Span Structural Systems, by M.Ivkovic and Z. Perisic
* Strengthening of Existing Bridges (Simple and Continuous Span) by Post- Tensioning, by F.W. Klaiber, K.F. Dunker, and W.W. Sanders, Jr.
* Post-Tensioned Repair and Field Testing of a Prestressed Concrete Box Beam Bridge, by A.E.N. Osborn and H.K. Preston
* Deviator Behavior and Design for Externally Post-Tensioned Bridges, by R.J. Beaupre, L.C. Powell, J.E. Breen, and M.E. Kreger
* Externally Prestressed Concrete Slab Bridges: Model Test Results, by C. Menn and P. Gauvreau
* Behavior of 1/5 Scale Segmental Concrete Girders with External and Internal Tendons, by B.G. Rabbat and K. Sowlat
* Strength and Ductility of a Three-Span Externally Post-Tensioned Segmental Box Girder Bridge Model, by R.J.G. MacGregor, M.E. Kreger, and J.E. Breen
* A New Methodology for the Analysis of Beams Prestressed with External or Unbonded Tendons, by A.E. Naaman
* Ultimate Behavior of Precast Segmental Box Girders with External Tendons, by J. Muller and Y. Gauthier
* Externally Prestressed Bridges, by J. Eibl
* Finite Element Analysis of Externally Post-Tensioned Segmental Box Girder Construction, by M.E. Kreger, G.L. Fenves, and K.C. El-Habr
* Computer Evaluation of the Effect of Prestressing on a Shell structure, by J.M. Nagele, S.C. Das, and R.M. Bakeer
* External Versus Internal Bonded Prestressing, by E. Woelfel
* Reliability Analysis of Externally Prestressed Concrete Bridge Girders, by A.S. Nowak, A.E. Naaman, and S.-C. Ting
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Author: Ben C. Gerwick Jr. | Size: 34.5 MB | Format:PDF | Publisher: Wiley-Interscience; 2 editio | Year: 1997 | pages: 616 | ISBN: 9780471181132
Product Description
Methods and practices for constructing sophisticated prestressed concrete structures.
Construction of Prestressed Concrete Structures, Second Edition, provides the engineer or construction contractor with a complete guide to the design and construction of modern, high-quality concrete structures. This highly practicable new edition of Ben C. Gerwick's classic guide is expanded and almost entirely rewritten to reflect the dramatic developments in materials and techniques that have occurred over the past two decades.
The first of the book's two sections deals with materials and techniques for prestressed concrete, including the latest recipes for high-strength and durable concrete mixes, new reinforcing materials and their placement patterns, modern prestressing systems, and special techniques such as lightweight concrete and composite construction. The second section covers application to buildings; bridges; pilings; and marine structures, including offshore platforms, floating structures, tanks, and containments. Special subjects such as cracking and corrosion, repair and strengthening of existing structures, and construction in remote areas are presented in the final chapters.
For engineers and construction contractors involved in any type of prestressed concrete construction, this book enables the effective implementation of advanced structural concepts and their economical and reliable translation into practice.
From the Publisher
Focusing on construction, this revision discusses the fundamental techniques, materials, systems, and technology involved in prestressing. Covers specific applications in erecting bridges, buildings, offshore structures, pipes, poles, piles, machinery, roads, airfields, railroads, tanks, and much more. New to this edition are numerous advances in design and construction such as cracking and corrosion, repair and strengthening of existing structures, and construction in remote areas are present in the final chapters. Includes 184 photographs of actual field applications.
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Review
A textbook combining theory and associated computer programs for students in structural dynamics and practicing engineers. SciTech Book News, March 2003 Book News, Inc..
Product Description
This book presents a series of integrated computer programs in Fortran-90 for the dynamic analysis of structures, using the finite element method. Two dimensional continuum structures such as walls are covered along with skeletal structures such as rigid jointed frames and plane grids. Response to general dynamic loading of single degree freedom systems is calculated, and the author also examines multi degree of freedom systems (including earthquake analysis). Each chapter covers a different aspect of analytic theory and the corresponding program segments.
It will be an essential tool for practising structural and civil engineers, whilst also being of interest to academics and postgraduate students
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Product Description
The support you need to build high-quality temporary structures. All the technical, business, and legal know-how you need to build and maintain 17 different temporary support and access structures has been gathered in one convenient problem-solver. In the completely revised Second Edition of the Handbook of Temporary Structures in Construction, Robert Ratay and a team of experts provide you with full coverage of the latest construction materials and methods--different contracting techniques--new codes and standards--new dispute resolution procedures--tested cost controls--using temporary structures in repair and rehab work--OSHA updates on construction site safety--and much more.
Ingram
The one and only handbook of its kind, the new edition of this definitive reference provides civil and structural engineers, architects, and contractors with all the technical and businees information required to successfully design and construct temporary support structures. Readers will find detailed guidelines for the safe, cost-efficient design and construction of 17 different temporary structure systems, as well as all-new chapters on such timely topics as the use of temporary structure in repair and rehabiliation work and OSHA's influence on construction site safety. 430 illustration.
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