§211 42 design and construction features

... Foundations and Supports for LPG Storage Vessels and Related Piping APPLICABLE CODES AND SPECIFICATIONS The materials, principles, methods, and details of design and construction of foundations and supports ... grade of the facility DESIGN AND CONSTRUCTION OF 4.1 Design of LPG Vessels APPLICABLE DESIGN CONSTRUCTION CODES 4.1.1 Vessels shall meet the requirements of the ASME Boiler and Pressure Vessel ... REFERENCED PUBLICATIONS TERMS AND DEFINITIONS DESIGN OF LPG VESSELS 4.1 Applicable Design Construction Codes 4.2 Design Pressure and Temperature ...

Ngày tải lên: 27/03/2014, 14:08

... Engineering and Design EARTH AND ROCK-FILL DAMS—GENERAL DESIGN AND CONSTRUCTION CONSIDERATIONS Purpose This manual presents fundamental principles underlying the design and construction of earth and ... underlying the design and construction of earth and rock-fill dams The general principles presented herein are also applicable to the design and construction of earth levees The construction of ... general design memorandum (GDM) is normally not required However, design memorandums are required to properly develop and document the engineering and design studies performed during preconstruction...

Ngày tải lên: 28/04/2014, 11:50

... TRADITIONAL DESIGN PROCEDURES Systems design of buildings requires a different approach to design and construction than that used in traditional design (Art 1.9) Because traditional design and construction ... documents, and final cost estimate; pays designers’ fees in installments as design progresses; and obtains a construction loan Then, the owner awards the general contract for construction and orders construction ... Architecture / 1.1 Systems Design and Analysis / 1.3 Traditional Design Procedures / 1.4 Traditional Construction Procedures / 1.5 Role of the Client in Design and Construction / 1.8 Building...

Ngày tải lên: 27/06/2014, 22:20

... satisfied: (12.1) 12.3.3 Design life The nominal design life of a structure is the time for which it is expected to be in service, and this should be agreed with the client British Standard BS.8118 gives ... variety of applications The design life, as used in fatigue calculations, is normally taken the same as the nominal design life However, the British Standard gives a designer the option of playing ... check, the designer has essentially two options One is to increase the section, thus reducing the level of stress This increases weight and cost, and may be highly inconvenient if the design is...

Ngày tải lên: 22/07/2014, 18:22

... First, we only require a designer to check bearing on the ply, as in USA and Canada, and ignore bearing on the fastener Secondly, our expression for pp includes both the proof and the ultimate stress ... already been covered under member design in Chapters and Here we just consider A and B 11.3.2 Basic checking procedure Looking first at the loading cases (a) and (b), the basic procedure for checking ... held at 25°C Columns and give the room temperature curing time to achieve =1 and =10 N/mm2, when tested at 23°C Columns and give typical average strengths when tested at 23°C and 80°C, after curing...

Ngày tải lên: 22/07/2014, 18:22

... side into convenient elements, and obtain expressions in terms of w for the plastic moduli Sx and Sy about Ox and Oy, as follows: q (10.3) where AE=area of an element, and xE, yE=coordinates of the ... axes OX and OY is selected, enabling expressions for Sx and Sy (in terms of w and z) to be obtained as follows: (10.6) where: AE=area of an element taken positive for compression material and negative ... lesser of the two values I/yc and I/yt, where I is the inertia about the axis considered, and yc and yt are the perpendicular distances from the extreme compressive and tensile fibres of the section...

Ngày tải lên: 22/07/2014, 18:22

... 9.5.4 Column buckling of struts containing very slender outstands For a column containing very slender outstands (Section 7.2.5), the designer must know whether it is permissible to assume an effective ... between pure flexural buckling about ss and pure torsional buckling about S Figure 9.7 Typical ‘type-R’ sections, composed of radiating outstands Figure 9.6, and leading to a reduced failure load ... important to distinguish between ‘type-R’ sections and all others A type-R section is one that consists entirely of radiating outstands, such as angles, tees and cruciforms (Figure 9.7) For such members,...

Ngày tải lên: 22/07/2014, 18:22

... simple British Standard rule (expression (8.6)) and those obtained using the more accurate treatments given in and above The figure relates to a particular form of extruded shape and shows how the ... outstand element (or outstands), as in a T-bar or a channel loaded about its weak axis, Vc may be generally found by treating the outstand as a rectangular bar (as above) However, if the outstand ... section, and the left-hand side is taken positive The inclination of the neutral axis nn (anti-clockwise from Gx) is given by: f (8.8) The same expressions are valid for skew-symmetric and asymmetric...

Ngày tải lên: 22/07/2014, 18:22

... internal (left) and outstand (right) its longitudinal edges, an outstand at only one (Figure 7.2) In some lightgauge steel codes, these have been confusingly referred to as ‘restrained’ and ‘unrestrained’ ... of e be1= (7.5) where =ß/ and P1 and Q1 are given in Table 7.2 Figure 7.6 shows curves of plotted against covering non-welded and edge-welded plates Note that this design data, if expressed in ... none at all at high ß e a D D s 7.2.4 Slender outstands We now turn to outstands, again under uniform compression For a slender non-welded outstand the stress pattern at collapse will be of the...

Ngày tải lên: 22/07/2014, 18:22

... maximum value British Standard BS.8118 recognizes two levels of thermal control, normal and strict, as follows: All fabrication should satisfy normal control and this is what a designer would usually ... material and also non-heat-treatable material there is negligible dip at A, and kz3=kz1 6.4.2 Heat-treated material Table 6.1 lists proposed kz-values for MIG-welded joints in 6xxx and 7xxx-series ... 0.2% proof stress and tensile strength of parent metal, and foo, fuo are the same in the annealed condition 6.5 EXTENT OF THE SOFTENED ZONE 6.5.1 General considerations In the design of joints,...

Ngày tải lên: 22/07/2014, 18:22

... any critical component and ensuring that: FR FA (5.1) In order to obtain FR and FA it is necessary to specify values for the partial factors f and m These are for the designer to decide, probably ... have and m equal to 1.3 and 1.2 respectively, giving a minimum LFC of 1.56 This implies that the member could just withstand a static overload of 56% before collapsing The aim of limit state design ... the joint type and the standard of workmanship Table 5.1 includes suggested values The lower value 1.3 given for welded joints should only be used if it can be ensured that the standard of fabrication...

Ngày tải lên: 22/07/2014, 18:22

... Sometimes the standard fails to give specified values and one has to make with ‘typical’ ones, which are not binding on the manufacturer The compressive proof stress is never recorded, and a designer ... product, temper and thickness It is essential for a designer to refer to an appropriate standard to find precise strength values for the materials he/she is planning to use Relevant standards, covering ... D) of the alloy and the severity of the environment [9] The data on ratings A, B and C are taken from BS.8118 In welded construction, it is possible for the weld filler material, and hence the...

Ngày tải lên: 22/07/2014, 18:22

... Preferably, the surfaces should be grit-blasted British Standard BS.8118 recommends a standard treatment, and when this is used a stated design value may be taken for the slipfactor (Section 11.2.6) ... electrode, and as with MIG it delivers a flow of argon The filler wire is held in the other hand and fed in separately TIG requires more skill than MIG, both to control the arc length and to feed ... time and properly represent the technique and conditions in the production joint British Standard BS.8118 provides comprehensive tables stating which inspection methods are needed when, and also...

Ngày tải lên: 22/07/2014, 18:22

... generated by a tipped mandrel carried on the inner ram and passing through a hole in the billet The method is slow to set up and more costly Also there is a tendency for the long mandrel to deflect ... shown in Figure 2.9, and many such sections are held by stockists When designing a new section it is sensible to combine functional features with structural strength, thus designing out some of ... effect, the die designer retards the flow of metal in the thick regions by increasing the depth of ‘land’ (dimension x) Even so, a section never comes off the press completely straight and subsequent...

Ngày tải lên: 22/07/2014, 18:22

... Aluminium design and construction/ J.B.Dwight p cm Includes bibliographical references and index ISBN 0-419-15710-7 (Print Edition) Aluminum construction Aluminum Aluminum, Structural Structural design Standards—Europe ... Aluminium Design and Construction John Dwight MSc, FI Struct E Former Reader in Structural Engineering, University of Cambridge; and Fellow of Magdalene College, Cambridge ... War During the 1920s and 1930s aircraft construction had progressed from the old ‘string and ceiling wax’ concept to the allmetal stressed-skin airframe By 1939 sophisticated designs had been perfected,...

Ngày tải lên: 22/07/2014, 18:22

... 3-33 Cut and Cover Tunnel Bottom-Up Construction; Top-down Construction 5-1 Cut -and- Cover Tunnel Bottom-Up and Top-down Construction Sequence .5-2 Cut and Cover Construction using ... analysis, design and construction issues for SEM tunneling Chapter 10 discusses permanent lining structural design and detailing for mined and bored tunnels based on LRFD methodology, and presents ... lining and shotcrete lining A design example is presented in Appendix G Chapter 11 discusses immersed tunnel design and construction It identifies various immersed tunnel types and their construction...

Ngày tải lên: 30/08/2014, 22:32

... J M Heselden Department of the Environment, Housing and Construction Electricity Supply Industry in England and Wales Fire Insurers Research and Testing Organization Fire Offices’ Committee Fire ... way to a final exit and safety in the open air It is smoke and toxic gases, rather than flame, that will in the first instance inhibit this movement and the exclusion of smoke and gases from the ... application to protected escape routes in flats and maisonettes, and in offices and shops The principles stated in the code may be used for other occupancies and purpose groups where the fundamental...

Ngày tải lên: 28/09/2014, 23:27

... J M Heselden Department of the Environment, Housing and Construction Electricity Supply Industry in England and Wales Fire Insurers Research and Testing Organization Fire Offices’ Committee Fire ... way to a final exit and safety in the open air It is smoke and toxic gases, rather than flame, that will in the first instance inhibit this movement and the exclusion of smoke and gases from the ... application to protected escape routes in flats and maisonettes, and in offices and shops The principles stated in the code may be used for other occupancies and purpose groups where the fundamental...

Ngày tải lên: 28/09/2014, 23:27

... regulations in this code England and Wales: The Building Regulations; Scotland: The Building Standards (Scotland) Regulations; Northern Ireland: The Building Regulations (Northern Ireland) It should be ... of lifts and of casualties arising from their ill-considered use, and also of existing and earlier technical standards As far as possible this code makes references to BS 5655 for the construction ... to appreciate the relationships between this code and the various statutory provisions relevant to the design and construction of new buildings and to the fire precautions to be provided in existing...

Ngày tải lên: 28/09/2014, 23:28

... the Committee between 1988 and 1995 and the 1995 standard introduced modified procedures to reflect more recent information and thinking Precast chimney design and construction techniques were ... Concrete Institute 307-69 Specification for the Design and Construction of Reinforced Concrete Chimneys 307-88 Standard Practice for the Design and Construction of Cast-in-Place Reinforced Concrete ... Division of ASCE took up the recommendation and appointed a task committee that developed and published in 1975 a design guide entitled, Design and Construction of Steel Chimney Liners.” ASTM...

Ngày tải lên: 24/10/2014, 15:45