plan and resource the architecture engineering effort chapter 6

... (6.4): Trang 13where Trang 14c and q are defined as in Equation (6.4) K0is the coefficient of earth pressure at rest andbe obtained fromTable 6.1(a)and (b) based on the rigidity index Irand the ... expression: (6.11) where p is the perimeter of the pile section, z is the coordinate axis along the depth direction, f is the unit skin friction at any depth z, and L is the length of the pile. 6.3.2.1 ... not to overstress the concrete asshown later in the solution The tip area of this pile=0.126m2and the pile perimeter= 1.26m.Then, the maximum working load that can be carried at the tip is computed

Ngày tải lên: 30/04/2018, 19:35

... the poor and the nonpoor The Thai studyteam was particularly interested in letting respondents them-selves explain how they perceived such effects Conse-quently, they built the main part of the ... reported by theauthorities, and households were then randomly selectedfrom the lists until the desired sample size was reached.For the urban sample, about 100 households at theBangkok site were randomly ... about 16%, and gapsbetween the rich and the poor widened Presumably, theresumption of growth has brought a renewed decline inpoverty since 2000, as measured by international standards.Nevertheless,

Ngày tải lên: 08/08/2014, 10:23

... engineering is the application of the principles of soil mechanics, rock mechanics, and structural engineering to the design of structures associatedwith earthen materials On the other hand, rock engineering ... Although the apparatus (ground glass plate and moisture cans) used for the test isshown inFigure 1.5, the reader is referred to Bowles (1986) and Das (2002) for more details On the other hand, the ... (1.4b) where z is the depth of the location from the ground surface (Figure 1.6) and dwis the depth ofthe location from the groundwater table (Figure 1.6) A detailed discussion of the unit weights

Ngày tải lên: 30/04/2018, 19:35

... spinning catheadpower take-off The number of wraps around the cathead as well as the diameter of catheadare specified as well as the condition of the rope and cathead surface (Figure 2.8) Due to theincomplete ... to the top of the lithological contacts or targets of interest are derived bydividing the time of travel of the GPR signal from the ground surface to the top of the feature by the velocity of the ... resistance and thehands on soil sample recovery make it the choice of many designers The SPT is described by the American Society for Testing and Materials (ASTM) as testnumber D-1586, entitled “Standard

Ngày tải lên: 30/04/2018, 19:35

... 3.16) by considering the mid-plane depth of clay This can be determined from Figure 3.16by mapping the footing to the scale indicated at the bottom of the figure, i.e., dc(the depth from the ... overburden stress. On the other hand, the net load increase on the ground would be the structural load only, if it is assumed that concrete counteracts the soil removed to lay the footing Then, Equation(3.1) ... where B is the footing dimension, d is the thickness of the surface layer, and Suis the undrained strength of the surface layer It must be noted that if the criteria B/d≥ 2 and B/d≥6 are not satisfied

Ngày tải lên: 30/04/2018, 19:35

... 0.014 0.014 0.014 0.0140.060 0.061 0.061 0.061 0.061 0.061 0.061 0.061 0.061 0.061 0.061 0.061 0.5 0.038 0.037 0.036 0.036 0.036 0.036 0.036 0.036 0.036 0.036 0.036 0.036 0.085 0.087 0.087 0.088 ... 0.088 0.7 0.069 0.066 0.065 0.065 0.064 0.064 0.064 0.064 0.064 0.064 0.063 0.063 0.101 0.104 0.105 0.106 0.106 0.106 0.106 0.107 0.107 0.107 0.107 0.107 0.9 0.103 0.099 0.097 0.096 0.096 0.095 0.095 ... kN/m Then, S4=368.42(x)−860−(4600)(x−4.35) M4=368.42(x2/2)−860(x−0.5)+174−(4600)(x−4.35)2/2kN m (with an inflexion point at x=4.53m). Within the end-section right of column B (4.605<x<6.08

Ngày tải lên: 30/04/2018, 19:35

... jc=2[[36×363/12]+[36×363/12]+[36×36][18–9.822]]+[(60×36)×9.822] jc=646590.5+208293.984=854884.5 in.4 The fraction of moment transferred by flexure is The fraction transferred by shear=(1−γf)=(1–0.659)=0.341 ... column The critical perimeter is a rectangle with sides of 24+36=60.00 in and a width of 18+ 36/2=36.00 in The shear, Vu, is the column load minus the force due to the soil pressure on the area ... about the y-axis, d x is the x-directional distance of the pile from the center of the pile group, and d y is the y-directional distance of the same pile from x-the center of x-the pile group The

Ngày tải lên: 30/04/2018, 19:35

... not formed Rather, the long strings of the polymer stabilize the excavation walls by clinging to the soil as they flow into the soilmatrix As such, the flow remains relatively uniform and generally ... Shafts The capacity of drilled shafts is developed from a combination of side shear and end bearing.The side shear is related to the shear strength of the soil and in sands can be thought of as the ... whenexcavating clay or rock where the ground water is likely to be present The slurry types mentioned above and the time the slurry is left in an excavation can affect the capacity of thefinished shaft (Brown,

Ngày tải lên: 30/04/2018, 19:36

... 9Page 368where n is the coefficient of restitution between the hammer and the pile (<0.5 and >0.25), Wh is the weight of the hammer, WPis the weight of the pile, s is the pile set per blow ... know the elastic modulus of the pile material, the compression wave velocity in the pile material, andthe cross-sectional area of the pile in order to plot the equivalent force record Either these ... as (9.14) On the other hand, the axial force on the pile top at a given instant in time can be obtained by the strain gage reading (ε ) as F=EAε (9.15) Since both the force and the velocity records

Ngày tải lên: 30/04/2018, 19:36

... for the sand and the sandy gravel layers, and passive earth pressure forthe clay layer: We then calculate the vertical and horizontal stresses at points A through F Within each soillayer, the ... from the back end of the Rankine wedge The factor of safety Trang 35(10.22)Trang 36where w is the width of the reinforcement element and φiis the interface friction anglebetween the soil and the ... selected, and the weight of the wedge, W, is calculated knowing the unit weight of the soil The directions of the soil resistance, R, and the wall reaction, PA, are determined based on the soil’s

Ngày tải lên: 30/04/2018, 19:36

... also shows the forces that ensure the equilibrium of the assumed failure wedge These are the weight, W, the design cohesion, Cd, and the resultant of the normal and frictional forces, P The force ... conditions to be the most critical and both porepressure and the surcharge water can be incorporated together in the analysis by consideringthe submerged weights of the slices (Table 11.6) Using Equation ... strength is mobilized along theentire failure surface As discussed inChapter 1, and employed in Equation (11.1), the shear Trang 4foundation engineering.On the other hand, the destabilizing force

Ngày tải lên: 30/04/2018, 19:36

... thebottom of the PVD holds it in place in the soil as the mandrel is extracted The PVD is thencut off slightly above the ground surface and another anchor is attached The mandrel ismoved to the ... places stone around the vibroflot at the ground surface and the stone falls to the tip of the vibroflot through the flushing water around the exterior of the vibroflot Thevibrator is then raised a ... by the soils permeability and the square of thedistance the water has to travel to get to a permeable layer The PVDs accelerate the drainage by shortening the drainage distance The spacing of the

Ngày tải lên: 30/04/2018, 19:36

... equally to each of them The only link between the representation and the theorem is the term ^ (t) The theorem states that the expected number of instances of any schema at the next time-step ... problemspecific and representation-specific operators, hybridisation with other search techniques, the handling of constraints, the interpretation of the schema theorem, the meaning of genes and the efficacy ... that the edges rather than the vertices of the graph are central to the TSP While there might be some argument as to whether or not the edges should be taken to be directed, the symmetry of the...

Ngày tải lên: 13/02/2014, 10:20

... looper and a handler) Throughout this chapter you’ll see several examples of the creating of messages and the dispatching of these messages both by the object that created them and by other objects ... example the BWindow object is both the looper and handler The menu item– generated message is placed in the window’s message loop, and the window object sends the message to itself and invokes the ... going to reply to the message (more typically the target handler simply handles the message and doesn’t return any type of reply) While the poster of the message and the target of the message don’t...

Ngày tải lên: 17/10/2013, 19:15

... as root and type the command: xf86config Figure 5.1 shows the beginning of the xf86config dialog As you can see, xf86config is a text-mode program; it does not support use of the mouse and it ... damage the monitor Older fixed-frequency monitors are particularly susceptible to such damage The author and publisher have taken pains to make this chapter clear and accurate, but their efforts ... server 3, the XF 86_ SVGA server; unless your video card or monitor are quite old, they're likely to support 256color SVGA Figure 5.15: Specifying the server Next, as shown in Figure 5. 16, xf86config...

Ngày tải lên: 07/11/2013, 10:15

... used to calculate the switch variable on the assumption that it represents the equilibrium rate of interest Each of these variables are then used, together with the other explanatory variables ... while in the formal sector the transmission is less than full The required reserve ratio and the holding of excess reserves constitute another leakage in the flow of funds between savers and investors ... among the components of the leakage such that the available informal credit remains intact The Real Interest Rate and the Determinants of Saving and Investment in Africa As outlined in the conceptual...

Ngày tải lên: 17/12/2013, 05:15

... accurately, the system firmware The firmware is called BIOS (Basic Input/Output System) on the i3 86 architecture, SRM on the Alpha architecture, and Open Firmware on a number of other architectures ... you press the ‘‘any other key’’ (by tradition the space bar) and enter commands to the loader Loader commands There are two ways to communicate with the loader: • A number of files in the directory ... line, all the messages come from named They may come in the middle of the first line, rather than waiting for the end of the line Next, /etc/rc enables quotas if asked, and then runs the third...

Ngày tải lên: 21/12/2013, 11:15

... (the monitor that displays the Deskbar) Additionally, the width of the screen can be determined by subtracting the left coordinate from the right, and the height by subtracting the top from the ... project, the BView-derived classes you define may be very different from one another 120 Chapter 4: Windows, Views, and Messages With the exception of the class name and the name of the constructor, ... at the window’s origin The frame rectangle that was initially used to define the placement and size of the window can now be used to define the placement and size of the view that is to fill the...

Ngày tải lên: 26/01/2014, 07:20

... button to a window, the height of the button may automatically be adjusted to accommodate the height of the text of the button’s label and the border of the button If the values of the frame rectangle ... class, the details of enhancing your picture buttons will be a quick read in the BPictureButton section of the Interface Kit chapter of the Be Book 1 96 Chapter 6: Controls and Messages Preparing the ... 198 Chapter 6: Controls and Messages the picture button, the on picture will be serving as the picture button) Then a rectangle is outlined to serve as the off button The on picture erases the...

Ngày tải lên: 26/01/2014, 07:20

... according to the guidelines provided by the statement of task.1 Chapter assesses the format of the public workshop and evaluates the response of the plan to both the workshop summaries and the public ... become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the public, and the scientific and engineering ... OF THE OVERALL PLAN The draft plan succeeds in five important ways The critical link between the ocean and society is clear and well articulated The overarching opportunities defined in the plan...

Ngày tải lên: 17/02/2014, 06:20