SOIL MECHANICS - CHAPTER 8 ppt

... solution (8. 9) with respect to z. This givesqz= −kHπxx2+ z2. (8. 10)Arnold Verruijt, Soil Mechanics : 8. GROUNDWATER FLOW 52where γsis the volumetric weight of the saturated soil (about ... stressreaches zero, anywhere in the soil. Such a situation should be avoided, even if it seem s to be costly.Arnold Verruijt, Soil Mechanics : 8. GROUNDWATER FLOW 54 8. 3 Flow under a wall ... Equation (8. 2)expresses that the situation shown in Figure 8. 1, in which both the flow in x-directionand the flow in z-direction increase in the direction of flow, is impossible. If the flow inx-direction...

SOIL MECHANICS - CHAPTER 2 pptx

... the case of Figure 2.1 this is about 8. 5. This indicates that the soil is not uniform. This is sometimes denoted as a well graded soil. In apoorly graded soil the particles all have about the ... Verruijt, Soil Mechanics : 2. CLASSIFICATION 162.4 Consistency limitsFor very ﬁne soils, such as silt and clay, the consistency is an important property. It determines whether the soil can easily ... classiﬁcation systemThe large variability of soil types, even in small countries such as the Netherlands, leads to large variations in soil properties in soils that mayresemble each other very much...

SOIL MECHANICS - CHAPTER 4 ppt

... wall. The container atArnold Verruijt, Soil Mechanics : 4. STRESSES IN SOILS 29Calculating the effective stresses in soils is one of the main problems of soil mechanics. The effective stresses are ... stress.Arnold Verruijt, Soil Mechanics : 4. STRESSES IN SOILS 27the extreme right in Figure 4.3 resembles a soil body, with its pore space. It can be concluded that the water in a soil satisfies the ... complicated cases, such as non-saturated soils, orflowing groundwater, is relatively simple. For a non-saturated soil the total stresses will be smaller, becausethe soil is lighter. The pore pressure...

Soil mechanics - Chapter 17 ppt

... Verruijt, Soil Mechanics : 17. NUMERICAL SOLUTION 106x t = 0 t = ∆t t = 2∆t t = 3∆t t = 4∆t1.0 0.000 0.000 0.000 0.000 0.0000.9 1.000 0.750 0.625 0.547 0.4920 .8 1.000 1.000 0.937 0 .87 5 0 .82 00.7 ... "Time step ";DT 180 A=C*DT/(DZ*DZ):FOR I=0 TO N:P(I)=1:NEXT I:P(N)=0190 U=1:T=T+DT:FOR I=1 TO N-1:PA(I)=P(I)+A*(P(I+1 )-2 *P(I)+P(I-1))200 NEXT I:PA(0)=P(0)+A*(P(1 )-2 *P(0)+P(1))210 CLS:FOR ... p/p0after the ﬁrst 4 time steps, for the case that α = 0.25.Arnold Verruijt, Soil Mechanics : 17. NUMERICAL SOLUTION 1 08 This means that0 < α <12. (17.12)Of course, all distributions...

SOIL MECHANICS - CHAPTER 28 ppt

... y2+ z2. ( 28. 6)The solution for the displacements isur=P (1 + ν)2πER[r2zR3− (1 − 2ν)(1 −zR)], ( 28. 7)uθ= 0, ( 28. 8)uz=P (1 + ν)2πER[2(1 − ν) +z2R2]. ( 28. 9)160Arnold ... 2ν)1R(R + z)], ( 28. 2)σθθ=P2π1 − 2νR2(RR + z−zR), ( 28. 3)σrz=3P2πrz2R5. ( 28. 4)In these equations r is the cylindrical coordinate,r =x2+ y2, ( 28. 5)and R is the ... Chapter 28 BOUSSINESQIn 188 5 the French scientist Boussinesq obtained a solution for the stresses and strains...

SOIL MECHANICS - CHAPTER 30 pptx

... (30.7) and (30 .8) can also be written asx = 0 : σzz=2pπ[arctan(az) +aza2+ z2], (30.10)x = 0 : σxx=2pπ[arctan(az) −aza2+ z2]. (30.11) Chapter 30FLAMANTIn 189 2 Flamant ... θ1cos θ1+ sin θ2cos θ2], (30.5)σxz=pπ[cos2θ2− cos2θ1]. (30.6)1 68 Arnold Verruijt, Soil Mechanics : 30. FLAMANT 170 ........................ .............................................. ... number of point loads, uniformly distributedalong the y-axis. A derivation is given in Appendix B.In this case the stresses in the x, z-plane areσzz=2Fπz3r4=2Fπrcos3θ, (30.1)σxx=2Fπx2zr4=2Fπrsin2θ...

Tài liệu Project Management Professional-Chapter 8 ppt

... paper and making copies for one another. 96 18$ $ $CH8 0 9-0 6-0 2 15:00: 08 PS2 08 Preparing for the Project Management Professional Certiﬁcation ExamFigure 8- 8 . Network communications circle: Free and ... chain of command. The strict chain of command is required be- 96 18$ $ $CH8 0 9-0 6-0 2 14:59: 58 PS197Communications ManagementFigure 8- 2 . Communications model.LoopofunderstandingFeedbackChannelReceiverSenderChannelMessagePerceiving,decoding,and ... getting all of the important points in the message. 96 18$ $ $CH8 0 9-0 6-0 2 14:59:57 PS203Communications ManagementFigure 8- 3 . The manager’s time.• 80 % of time is spent in communicating• Half of communicating...

Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-THE ADVENTURES OF HUCKLEBERRY FINN CHAPTER 8 ppt

... 'long de sho' som'ers 'bove de town, but dey wuz people a-stirring yit, so I hid in de ole tumble-down cooper-shop on de bank to wait for everybody to go 'way. Well, I wuz dah ... en he pay me thirty-five at de en' er de year. "So I done it. Den I reck'n'd I'd inves' de thirty-five dollars right off en keep things a-movin'. Dey wuz ... off'n him en told him to take de thirty-five dollars when de en' er de year come; but somebody stole de wood-flat dat night, en nex day de one-laigged nigger say de bank's busted....

Tài liệu Javascript bible_ Chapter 8 pptx

... whatever text you pass as aparameter (see Figure 8- 2 ). A single OK button (which cannot be changed) lets theuser dismiss the alert.Figure 8- 2 : A JavaScript alert dialog boxThe appearance ... window.If you need to access one of its properties or methods, you must use that reference 89 Chapter 8 ✦ Window and Document Objects</FORM></BODY></HTML>Window Properties ... onClick="reWrite()"></FORM></BODY></HTML>In Listing 8- 3 , the situation is a bit more complex because the script generates asubwindow, to which is written an entirely script-generated document. To keep thereference...

A Practical Guide to Particle Counting for Drinking Water Treatment - Chapter 8 ppt

... L1306/frame/pt02 Page 88 Friday, June 23, 2000 1:54 PM© 2001 by CRC Press LLC PARTICLE COUNTER ELECTRONICS 911591317212529333741454953576165697377 81 85 89 9397101105109113117121125129133137Counts1000900 80 07006005004003002001000Pulse ... Figure 8. 1 Comparator counting method. Particle pulses counted and sorted by amplitude.Picture represents sequential pulses in time15 micron5 micron2 micron0 volts 2-5 0 5-1 5 2-5 >15 ... form of analog-to-digital conversion. The “resolution” of the counter depends upon where the sizethresholds are set. In most cases, only a few size ranges are provided when com-parator inputs...

Xem thêm