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Chapter 08 Set the maximum number of iterations
Companion program to Geotechnical Engineering: Principles and Practiced, Second Edition Coduto, Yeung, & Kitch (2011) The top matrix on the tab is the flow problem and the value in the cells represents the potental or total head The lower matrix […]
Chapter 08 To do this click on the office button in the upper
Companion program to Geotechnical Engineering: Principles and Practiced, Second Edition Coduto, Yeung, & Kitch (2011) Copyright 2010 by William A. Kitch. Program may be freely distributed for educational purposes. Finite difference solution for Problem 11, Chapter 8 Soultion to example […]
Chapter 1 Input Results Units of Measurement English
BEARING CAPACITY OF SHALLOW FOUNDATIONS Unit conversion 1000 Units Terzaghi’s Method SI © Donald P. Coduto & William A Kitch 2010 gw=62.4 English f (radians) 0.54105 Date March 9, 2023 Identification Terzaghi Computations Shape a theta = 3.50152 Square Input […]
Chapter 1 Settlement Solutions This Spreadsheet Contains Solutions For
Settlement Solutions This spreadsheet contains solutions for settlement of areal fills on clay and finite sized locations on clay and sand. Each tab contains a solution for a different case. The settlment on clay are based on classical consolidation theory. […]
Chapter 1 Stress Distribution Solutions This Spreadsheet Contains Solutions
Stress Distribution Solutions This spreadsheet contains solutions for stresses within an infinte elastic half-space when subject to various surface loadings. All solutions use the Boussinesq solution. Two sources are used for the solutions: Poulos & Davis (1974) Elastic Solutions for […]
Chapter 10 Layer Compressibility And Settlement Chap Ft
10-20 Compressibility and Settlement Chap. 10 Layer H (ft) zf At midpoint of layer Cc/(1+e0)C r /(1+e0) δc,ult (ft) σ‘z0 (psf) Δσz (psf) σ ‘c (psf) σ ‘zf (psf) 1 7.0 3.5 423.0 2380 – 2803.0 0.011 – 0.06 10.20 […]
Chapter 10 The fill was placed near a river that has since
CHAPTER 10 Compressibility and Settlement QUESTIONS AND PRACTICE PROBLEMS Section 10.2 Changes in Vertical Effective Stress 10.1 The current σz′ at a certain point in a saturated clay is 181 kPa. This soil is to be covered with a 2.5 […]
Chapter 11 Do not apply any correction for the construction
11-18 Rate of Consolidation Chap. 11 (a) Using the laboratory test results shown in this figure, develop a time-settlement plot. Do not apply any correction for the construction period. The medium clay is normally consolidated. (b) A piezometer has been […]
Chapter 11 the average degree of consolidation for the entire
CHAPTER 11 Rate of Consolidation QUESTIONS AND PRACTICE PROBLEMS Section 11.1 Terzaghi’s Theory of Consolidation 11.1 A 12.0-m thick clay stratum with double drainage is to be subjected to a Δσz of 75 kPa. The coefficient of consolidation in this […]
Chapter 11 Values significantly larger than the mean
Solution to Terzaghi’s 1-D consoliation Theory at a Point Equation 11.17 Coduto, Yeung & Kitch (2011) © William A Kitch 2010 Date: Identification: Hdr 25 cv0.17 t2190 Tv 0.59568 Dsz0 2400 zdr 12 345678910 11 12 13 14 15 16 […]
Chapter 12 Plot the total stress and effective stress Mohr circles
12-12 Soil Strength Chap. 12 12.31 An unconfined compression test has been performed on a 30 mm diameter, 75 mm long specimen of clay. The axial load and axial strain at failure were 120 N and 8.1%, respectively. Compute the […]
Chapter 12 Undisturbed Soil Samples Have Been Obtained From
12-1 CHAPTER 12 Soil Strength QUESTIONS AND PRACTICE PROBLEMS Section 12.1 Strength Analyses in Geotechnical Engineering 12.1 Explain why the shear strength, not the tensile or compressive strength, is used in failure analyses of soils. Solution Empirical observations show that […]
Chapter 13 A geotechnical investigation indicates the failure surface
13-12 Stability of Earth Slopes Chap. 13 (W/b) sin α = denominator in Equation 13.30 Slice W/b α c′ φ ‘ (Deg) u m (W/b) sinα Try F = 2.10 (kN/m) (Deg) (kPa) (kPa) (m) ψ 1 293 -12 […]
Chapter 13 What mode of failure do you think would be most common
13-1 CHAPTER 13 Stability of Earth Slopes QUESTIONS AND PRACTICE PROBLEMS Section 13.1 Terminology 13.1 Define, with the help of a sketch if appropriate, the following terms as related to slope stability: (a) Natural slope (b) Cut slope (c) Fill […]
Chapter 15 The design can be made acceptable by increasing
15-1 CHAPTER 15 Spread Footing Design QUESTIONS AND PRACTICE PROBLEMS Section 15.1 Bearing Stress 15.1 A 5 ft square, 3 ft deep footing supports a column load of 110 k. The groundwater table is at a depth greater than 3 […]
Chapter 17 How far must this wall move to attain the active
CHAPTER 17 Lateral Earth Pressures QUESTIONS AND PRACTICE PROBLEMS Section 17.1 Lateral Earth Pressures and Wall Movement 17.1 A massive gravity wall is to be built on a hard bedrock, then backfilled with a very loose uncompacted cohesionless soil. Which […]
Chapter 2 Till Provides Excellent Support For Heavy
CHAPTER 2 Engineering Geology QUESTIONS AND PRACTICE PROBLEMS Section 2.1 The Geologic Cycle 2.1 Describe the inter-relationships in the geologic cycle among magma, different types of rocks, and soil. Solution Refer to Figure 2.1. Igneous rocks are formed by the […]
Chapter 3 List in chronological order the steps involved
CHAPTER 3 Site Exploration and Characterization QUESTIONS AND PRACTICE PROBLEMS Introduction 3.1 Define site exploration and site characterization. Solution Site exploration is the exploration of the subsurface using borings and other techniques to identify the materials in the subsurface. Site […]
Chapter 4 Assuming a reasonable value of the specific gravity
CHAPTER 4 Soil Composition QUESTIONS AND PRACTICE PROBLEMS Section 4.3 Weight-Volume Relationships 4.1 A cube of moist soil weighs 330 lb and has a volume of 3.00 ft3. Its moisture content is 27.0% and the specific gravity of solids is […]
Chapter 4 Discuss the significance of these two numbers
Chap. 4 Soil Composition 4-15 The weathered tuff is the most well-graded soil because it has the flattest particle size distribution curve and thus encompasses the widest range of particle sizes. Note: The lagoon clay has a higher Cu, so […]
Chapter 5 The group index is numerical index property
CHAPTER 5 Soil Classification SOLUTIONS TO QUESTIONS AND PRACTICE PROBLEMS 5.1 What kinds of soils are contained in loam as the term is used in the USDA classification system? Solution According to Figure 5.1, loam is a soil with about […]
Chapter 6 A sand cone test has been performed in a recently
Chap. 6 Excavation, Grading, and Compacted Fill 6-13 b. 6.23 A series of modified Proctor tests have been performed on a soil that has a Gs of 2.70. The test results obtained are as follows: Point No. Mass of Compacted […]
Chapter 6 The transport and placement of fill to the desired
CHAPTER 6 Excavation, Grading, and Compacted Fill QUESTIONS AND PRACTICE PROBLEMS Section 6.1 Earthwork Construction Objectives 6.1 Describe the common objectives of earthwork in a civil engineering project. Solution The most fundamental objective of earthwork construction is to change the […]
Chapter 7 A failure to recognize these layers would result
7-12 Groundwater – Fundamentals and One-Dimensional Flow Chap. 7 ∑ == ix HiLkkiAQ Equation 7.26: Let Δ hi = the head loss through one of the layer: Ak QH h kA Q ikiAQ i i i=Δ→=→= Noting that Q and […]
Chapter 7 Rate or direction at any point is changing over time.
7-1 CHAPTER 7 Groundwater – Fundamentals and One-Dimensional Flow SOLUTIONS TO QUESTIONS AND PRACTICE PROBLEMS Section 7.1 Hydrology 7.1 How does groundwater get into the ground? Solution Groundwater gets into the ground via infiltration of surface water. The surface water […]
Chapter 8 A concrete cutoff wall will be built as shown
Chapter 8 Groundwater—Multidimensional Flow and Applications SOLUTIONS TO QUESTIONS AND PRACTICE PROBLEMS Section 8.2 Flow Net Solutions for Two-Dimensional Flow 8.1 One of the factors in Equation 8.27 is NF, yet when drawing a flow net we assume a value […]
Chapter 8 This bioremediation process is expected to take
8-14 Groundwater—Multidimensional Flow and Applications Chap. 8 Section 8.5 Groundwater Control 8.16 A construction site needs to be predrained in order to allow for the excavation shown in Figure 8.44. This will require dropping the groundwater table 5 m below […]
Chapter 9 Then compute the normal and shear stresses acting
9-1 CHAPTER 9 Stress QUESTIONS AND PRACTICE PROBLEMS Section 9.1 Mechanics of Materials 9.1 A 0.500 ft × 0.500 ft × 0.500 ft cube of soil is subjected to a vertical compressive force of 500 lb. This force is being […]
Chapter 9 Water is flowing vertically upward in a sand
Chap. 9 Stress 8-21 9.23 According to an in-situ soil suction measurement, the pore water pressure at Point C in Figure 9.11 is −5.0 kPa. Compute the vertical effective stress at this point. Solution 9.24 Use the “overall stresses” data […]