Basic of foundation design

... rights reserved Page of 87 Design Pattern Framework™ 2.0 The Gang of Four patterns Below is a list of the 23 Gang of Four patterns presented in this document: Creational Patterns Abstract Factory ... Page of 87 Design Pattern Framework™ 2.0 Introduction Design patterns are recurring solutions to software design problems you find again and again in real-wo...

Ngày tải lên: 12/09/2012, 14:38

... understanding of design management and of the skills that effective design managers should possess The currently poor understanding of the role of design managers within different contexts (e.g design office, ... Design management problems: the role of design management Company B considers effective design management essential in controlling the front-end of...

Ngày tải lên: 15/11/2012, 10:27

... that you design 41.7.2 Three Positions of a Plane When three positions of a plane are specified by the location of line CD, as shown in Fig 41.9, it is possible to construct the center of a circle ... number of links (fixed link included) j = number of joints ft = /of /th joint K = integer = for plane, spherical, or particular spatial linkages = for most spatial linkages Since...

Ngày tải lên: 17/10/2013, 12:15

... that depends on the nature of joints Some representative values of C’s are tabulated in Table below Table Values of C for various types of joints Type of joint Value of C Metal to metal joint ... adequate load of variable magnitude Design of two important mechanical joints is discussed below, namely, bolted and welded joints Bolted joints with variable loading: Consider des...

Ngày tải lên: 18/10/2013, 09:15

... intelligently followed the cycle-profile procedure, a complete graphic portrayal of what should happen at any point in the cycle of operation of the machine is the result The designer should be able to ... of the many types of flow control valves in combination with one of the basic methods of flow control described previously Another approach takes advantage of the throttli...

Ngày tải lên: 19/10/2013, 20:15

... analysis in designing open-loop circuits and dynamic load analysis in designing closed-loop systems The cycle profile1 is the recommended technique for displaying the results of machine- cycle-load ... first step is to analyze the machine cycle This analysis turns out to be a timeand-motion study of the operation of the machine If an actual study is not available to the designer, s...

Ngày tải lên: 19/10/2013, 20:15

... Much of the design work done is in a small part of one of the feedback or feedforward portions of the chart and thus is evolutionary Rarely will an individual designer start at the beginning of ... characteristic of the pro- TABLE 1.11 Elements of a Decision-Making Model Alternative courses of action States of nature: The environment of operation of the decision model...

Ngày tải lên: 19/10/2013, 20:15

... incorporated in the design of machinery either by treating the sources of machine noise or by altering the structureborne and/or airborne paths of this noise This section contains a discussion of these ... fields in the vicinity of a noise source frequency of the sound, the dimensions of the source, and the phase relations of the various radiating parts of the source As...

Ngày tải lên: 23/10/2013, 18:15

... shallow tacked at rate of 10 mpy; commerdepths of Pacific off Panama Canal cial grade often corrodes at 100 Single phase brasses, silicon and times this rate, largely because of phosphor bronzes ... attack rate of the more active metal and decreases that of the less active metal An adverse area ratio is characterized by having a larger surface area of less active metal than that...

Ngày tải lên: 23/10/2013, 18:15

... Validity of mathematical models used to represent reality Intensity of stress concentrations Influence of time on strength and geometry Effect of corrosion • Effect of wear • Length of any list of ... magnitude, but in the pattern of variation Evidence gathered by measurement in pursuit of uniqueness of magnitude was really a mix of systematic and random effects It is th...

Ngày tải lên: 23/10/2013, 18:15

... affecting machines and their designers is most often filed under negligence or strict liability theories, both of which may allege the presence of a defect Thus a major concern of designers would ... representations of performance and operation (implied warranty); conduct of designers, manufacturers, sellers, and users (negligence); and the characteristics of the product exclusive...

Ngày tải lên: 23/10/2013, 18:15