Consider Figure FTR 1 (Taken from Geotechnical Engineer- ing Design, Ming Xiao, strictly for educational purposes) shown. If the specific gravity of the soils are respectively from top to bottom 2.6, 2.7 and 2.73, estimate the effec- tive stresses at the mid thickness of each layer.
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- Consider Figure FTR I (Taken from Geotechnical Engineer- ing Design, King Xiao, stric tly for educationa/ purposes} shown. If the specific gravity of the soils are respectively from top to bottom 2.6, 2.7 and 2.73, estimate the effec- tive stresses at the mid thickness of each layer.Discuss Drilling Techniques in Competent SoilsWhat is unconsolidated-un drained test? Explain the practical applications of CD analysis of Clay. Both answers should be in your own words
- Describe why effective stress is important when evaluating soil behavior. Please provide at least one example.Consider Figure FTR 1 (Taken from Geotechnical Engineering Design, Ming Xiao, strictly for educational purposes) shown. If the specific gravity of the soils is respectively from top to bottom 2.6, 2.7, and 2.73, estimate the effective stresses at the mid thickness of each layer.What is the total primary consolidation settlement? What is the settlement at 10 years? How much time is needed for 0.5 inches of settlement? q = 5.5 ksf Sand: y = 115 Ib/ft³, E= 600 ksf, v= 0.3 3 ft Ground water level Clay:Ysat = 125 lb/ft³, Cc=0.18, Cw=0.03, Cv=1.25x10-7in²/sec, o̟'= 2.5 ksf, e,=0.8 4 ft Impermeable bottom
- What is composition of ‘fines’ in slit categories of soil?2nds X CUC UEF. High High High High High High High ar Users/HC/AppData/Local/Temp/2nd Sessional Soil.pdf .*. O a Search 立业 回 + Automatic Zoom the compacter is being used? Q. No. 03 (10 Marks) The soil profile shown below is typical of Miami-Dade County. Estimate the equivalent permeabilities Kvleq) and Kh(eq) in cm/sec, and the ratio of Khfeg)/Kv(eq)? I m Fine Sand k= Ix10" cm/sec Pamlico Formation 5 m Porous Limestone k-2x10 cm/sec Miami Formation 3 m Fine Sand -1x10 cm/sec Fon Thompson Formation 12 m Upper sandy Limestone k- 2x10 cm/sec Fort Thompson Formation Evate Wi Settince TOSHIBA BACK GPACE T Y PI ENTER C. G Y K 4. 0 O SHIFT S ALT CTRL GR1. Consider Figure FTR 1 (Taken from Geotechnical Engineer- ing Design, Ming Xiao, strictly for educational purposes) shown. If the specific gravity of the soils are respectively from top to bottom 2.6, 2.7 and 2.73, estimate the effec- tive stresses at the mid thickness of each layer. 2. Still considering Figure FTR 1, estimate the additional stress- es induced by the footing on the mid thickness of each layer using both 2-1 approximation and graphical method as proposed by Boussinesq. 3. A soil layer consists of 4 meters of sand underlying 5 meters of clay. The water table is naturally located at the rock bed under the soil strata but rose by 6 meters due to a recent storm. Further, capillary action is expected to de- velop due to the nature of the soil in question. Compute the effective stresses at the end of expected capillary ac- Q = 900 kN Ground surface D; = 1 m Ground water table LxB = 3m x 2m eo = 0.5, c. = 0.35, c, = 0.06, oʻ. = 75 kN/m² H = 1m H=9 m H2 = 2m eo = 0.48, c̟ =…
- 1. Consider Figure FTR 1 (Taken from Geotechnical Engineer- ing Design, Ming Xiao, strictly for educational purposes) shown. If the specific gravity of the soils are respectively from top to bottom 2.6, 2.7 and 2.73, estimate the effec- tive stresses at the mid thickness of each layer. 2. Still considering Figure FTR 1, estimate the additional stress- es induced by the footing on the mid thickness of each layer using both 2-1 approximation and graphical method as proposed by Boussinesq. 3. A soil layer consists of 4 meters of sand underlying 5 meters of clay. The water table is naturally located at the rock bed under the soil strata but rose by 6 meters due to a recent storm. Further, capillary action is expected to de- velop due to the nature of the soil in question. Compute the effective stresses at the end of expected capillary ac- tion, at the end of the water table, at the interface of the Q = 900 kN Ground surface D; = 1 m Ground water table L×B = 3m x 2m eo= 0.5, cc = 0.35, c, =…3. Three boreholes (BH) along a proposed road intersection are shown in Figure la and b. The soils in each borehole were classified using ASTM-CS. Sketch a soil profile along the center line. BH ВН 2 BH 3 100 m 100 m (a) Plan El: 100.2 El: 99.5 E1: 102.7 SP ML CH 10 SP-SM 15 - GP-GM ВН 2 ВН З 20 ВН 1 (b) Borehole soil Figure 1 Depth (m)Describe in detail Primary Compression Settlement for Clays.