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Organization of Designing. Methods of Analyzing Metal Members 22 Loads Materials Used in Metal Members 32 Principal Mechanical Properties of Steel.
Behaviour of Steel under Tension. Principal Mechanical Properties of Aluminium Alloys 51 Behaviour of Material in Compression. Problem of Sta- bility. Behaviour of Material in Bending and Torsion.
Behaviour of Material in Eccentric Tension and Compres- sion. Design Strengths and Allowable Stresses Principal Sections and Their Applications 84 Various Sections Employed in Structures 88 Aluminium Alloy Sections Welding Processes. J1 P1x? Sh nnkage. General Lateral Frames. Special Features of Lateral Frame Analysis. Design of Sky lights and Wall Frame work Heavy Trusses of Large-Span Roofs. Towers and Masts General Characteristics. Beam Grillages Rolled Steel Beams Built-up Steel Beams Crane Girders Aluminium Alloy B'eams'.
Prestressed Beams Gas Holders. Tanks for Liquids Roof Trusses Appendix II. Data for Checking Stability of Beams.
Analysis of Trusses. Data for Analysis of Eccentrically Loaded Elements DeSIgn of Trusses. Details of Joints. Standard Rolled Steel Shapes. Types of Columns All dimensions on drawings are in millimetres, unless other- wise specil1ed.
Fundamentals of design. The first two chapters Metal structural members are mainly designed for taking the loads are. Chapters describe various structural shapes and meth- structure. The best constructional shape of a structure and its elem- ods of joining together strulftural elements the actual behaviour ents is selected in the process of ,lesigning, which is a creative process of the joints and their investigation, as well as certain industrial wherein many solutions may be obtained The duty of the designer requirements which the design of structures must meet.
In Chapters is to find in each case the most appropriate and rational solution for 68 the reader will find a detailed consideration of the principal ele- his designing problems that will conform to the modern level of ments of metal structures such as beams, girders, trusses, and columns, development of science and engineering.
The exposition of th. IS matenal IS based on examples of industrial buildings and some Steel structural members have found the widest use in the follow- special large-span and high structures. The last chapter sets forth ing types of structures, which can be divided into two groups.
Framework or skeleton systems having as theil' main elements steel shells. Erection of multistorey building in Moscow ,. Erection of shops of iron arid steel works: a-open-hearth shop; b-pipe electric welding shop' FiC' In the thirties of last century, after the appearance of the steam en- The principal merits of steel members are: The trusses for them were made from wrought iron with riveted 1 the ability to resist high loads with a comparatively light joints Owing to the high strength of the erection of some large and very complicated bridges.
In engineer D. Zhuravsky of steel; worked out the theory of designing some types of open-web tl'Usses 3 a long service life, determined by the high and homogeneous and was the first to point out the existence of shear stresses in bendillg.
Proskuryakov R , Academi- structure. Paton , Prof. Prokofyev , Prof. Streletsky, and others. They created wonderful bridges of original ceptIbilIty to COI'l'OSlOn, which necessitates their painting or the use of designs, developed the theory of bridge designing and founded a othel' methods for their protection. Russian school of bridge construction. The short? Shukhov Benardos and N. Slavyanov in the The structure must be well-proportioned and have a good appearance.
WIth frame-type skeletons. The elements should have a simple shape and consist of the mini- The fmthel' development of steel stmctures mum possible number of parts, with a minimum of welds or rivets. For fhis reason designs of metal structural members IUUSt comply three stages, viz. The supporting connections of the elements are endowed complIcated structures are feasIble from the technical and economical here with certain theoretical properties hinged, elastically restrained stand points.
After having determined the stresses in The detailed project report is a document. The approved detailed project report serves for necessary to take into account the development of plastic deforma- drawIng up the working project. The mathematical com plicacy of these methods, however, often The working project of metal structural members consists of two makes it necessary to use in formulas a number of coefficients and stages.
In the first stage the final design of the structure is determined, factors whose values are given in various tables. At present a more blIes are prepared, and all the members are co-ordinated with the perfect method of analysis has been introduced, viz. Stre- archltectural, bmldmg and other parts of the project.
A speci fication letsky. The working lations" published in the USSR, Part II of which is devoted to the dt aWIngs In the second stage, whlch show all the details of the mem- designing of structural members and foundations. They are tures, blast furnaces. At present certain kinds of steel members are still in- well as erectIOn draWIngs wIth the corresponding marking. The limiting state of a member denotes such a state wherein stIpulated. Next the design is selected that it does not any longer meet the service requirements, i.
The main purpose of this theory is to determine the internal excessi ve deformations deflections and displacements. ThiS state stresses that are induced in members under the action of applied is used for checking members in which the magnitude of the de- loads. The arbitrary yield point, also known as the offset stress a yo. The desIgn loads P used in the analysis of members for corresponding to the stress producing a unit permanent elongation of' the condition of non-destruction are taken somewhat greater than the 0.
Basic Prescriptions for Designing". This'manual is in general use in the USSH. The ,:alues of the service condition factor for structural members and theIr elements are given in Appendix I, Table 2. The val. These stresses do not affect the equilibrium of the system or all of the safety factors mdicated above that are essential for as a whole, and in members of plastic materials are not generally ensuring r:eli able service of the structure.
The ba. They must be Several categories of stresses are distinguished, viz. They are taken into account in analysis. Temporary or live loads acting for a long- period, known as mov-. I've loads are given in various building standards aIld able.
Live loads acting for a short time, called moving loads- for WIt ynamlC.
Design of Metal Structures
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Design Of Metal Structures
Design of Metal Structures. This book sets forth methods of designing and analyzing metal engineering structures of steel and aluminum. The first two chapters are devoted to the fundamentals of designing and the theory of analyzing metal structures and structural members with account of the material working not only in the elastic, but also in the elastoplastic stage. Chapters describe various structural shapes and methods of joining together structural elements, the actual behavior of the joints and their investigation, as well as certain industrial requirements which the design of structures must meet. In chapters the reader will find a detailed consideration of the principal elements of metal structures such as beams, girders, trusses, and columns, as well as information on crane girders and eccentrically loaded columns. The design of metal structures consisting of separate structural elements is the subject matter of Chapters 9 and The exposition of this material is based on examples of industrial buildings and some special large-span ad high structures.