Civil Engineering The cohesion (c), angle of internal friction (0) and unit weight (y) of a soil are 15 kPa, 20° and 17.5 kN/m³, respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is

Civil Engineering The cohesion (c), angle of internal friction (0) and unit weight (y) of a soil are 15 kPa, 20° and 17.5 kN/m³, respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter13: Slope Stability

Section: Chapter Questions

Problem 13.13P

See similar textbooks

Related questions

Q: A concrete dam is triangular in cross section and 30 m high from the horizontal base. If water…

Q: A segment of building plumbing system consists of a 20-mm diameter cast-iron pipe tubing as shown in…

A: Given.

Q: Please show the complete solution. 235 lb a AB= AC = 10.4' The free-body diagram of joint A is drawn…

A: To Determine Forces in memeber AB & AC

Q: 1. (a) The velocity vector in an incompressive flow is given by V = (6xt + y2²)i + (3t+ xy2)j + (xy…

A: Given- velocity vector-V=6xt+yz2i+3t+xy2j+xy-2xyz-6tzkIt is needed to verify continuit equation…

Q: Find the distance from the vertex of the right-circular cone to the centroid of its volume. Answer:…

Q: 1. Determine the magnitude of the vector sum V = V₁ + V₂ and the angle x which V makes with the…

A: Given Data: The data is given as: a=3b=5V1=11 unitsV2=15 unitsθ=50° To Determine: The magnitude of…

Q: m. Water can be drawn from EL. 76.50 m to EL. 75.50 m in 42 minutes. Find the length of spillway,…

Q: A glass capillary tube, 2 mm in diameter, is placed on top of a mercury layer. Calculate the height…

Q: A cohesive soil has a total stress at failure of 800 kPa, angle of friction of 36* and a deviator…

Q: The 450-kg mine car is hoisted up the incline using the cable and motor M. For a short time, the…

A: Given :

Q: Let a=4 ft, b=7 ft, c-2 ft and w-6.5 kips/ft. Construct the shear-force and bending-moment diagrams…

Q: What is the deflection angle from P.C. to point A on the curve? Also Evaluate the length of curve…

A: Answer We are given R = 650 m Angle of Intersection ∆ = 60o We know that Deflection angle is given…

Q: A rod 150 cm long and of diameter 2.0 cm is subjected to an axial pull of 20 kN. If the modulus of…

Q: -15 ft M

Q: QUESTION: 5 Water is flowing in an upward direction through a stratum of sand, 4 m thick, under a…

A: Given data- thickness of sand=4 mtotal head difference=2 mSG=2.65void ratio e=0.065To Find-The FOS

Q: Several torques are applied to the stepped shaft (G= 80 GPa) shown in Fig. 1. Neglect any Stress…

Q: The top of the tower signal at B which is 2km away from A was sighted through a transit with…

Q: how did they get grid 1-4 under beams ?

A: Solution: For beam the X and Y are the cordinates where the moment are to be calculated: Grid X…

Q: The joist AB used in housing construction is to be made from 8-in. by 1.5-in. Southern-pine boards.…

A: Given ;

Q: The free-body diagram of joint A is drawn with the members assumed to be in tension. 440 lb Answers:…

Q: 3 A long concrete retaining wall with 2.4 × 10³ kg/m³ density is used to support a soil embankment.…

A: Given :

Q: Find the distance from the vertex of the right-circular cone to the centroid of its volume. C…

Q: What do we mean by curing concrete? What will happen if concrete is notcured?

A: Curing:- Curing is the method of providing concrete with the right amount of moisture, heat, and…

Q: Determine the required volumes of ingredients to make a 0.5@m3 batch of air-entrained concrete mix…

A: Given:- 0.5m3 of batch of air entrained concrete maximum gravel size=19mm To find:- required…

Q: Three pipes of different lengths and diameters are connected in series as shown. All pipes have f =…

Q: 4- List and explain factors that affecting the setting of Portland cement. un

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: QUESTION 1: Determine the force acting on member GC. A 5 kN 3 m 2 kN 5 kN -2 m- B -2 m- C 2 m- 5 kN…

A: Given data

Q: Part 1 Use the graphical method to construct the shear-force and bending-moment diagrams for the…

Q: 4.10 Given: The truss shown is made up of links DE, CE, CD and BC. All four links have the same…

A: Given :

Q: Q3). Explain the followings: 2 Pedofhydration Loss on ignition, Gel pores, Elongated aggregate,…

A: Above given are some of the terms associated with concrete and various tests related to it.…

Q: Find the distance from the vertex of the right-circular cone to the centroid of its volume. h

Q: Problem 6.108 The wood used for the T-beam has an allowable tensile and compressive stress of…

A: Given :

Q: A +2.50% grade sets a -1.75% grade at station 44+25 and elevation 386.96 ft, 400ft curve, stakeout…

A: Solution: Computation of grades and distances in stations perpendicular…

Q: Problem 1.6. The ultimate stress, for a hollow steel column which carries an axial load of 1.9 MN is…

Q: The centre line of a road has a positive (+) grade of 2.93 % from chainage 00 to chainage 103 and a…

A: Answer We are given Ascending grade G1 = 2.93% Descending Grade G2 = -4.803% Chainage Station at PC…

Q: Problem 1.5. The safe stress, for a hollow steel column which carries an axial load of 2.1 x 10³ kN…

Q: STRUCTURAL MEMBERS SLAB B (m) 8 8 5.3 4.5 4 Slab 1 Slab 2 Slab 3 Slab 4 Slab 5 BEAMS Grid A Grid B…

Q: Determine the forces in members BE and CE of the loaded truss. The forces are positive if in…

A: Given data Load acting at node B = 6 KN Load acting at node C = 3.1 KN Angle between AB and AE is…

Q: 100-ft steel tape of cross-sectional area 0.0025 square inches, weight 2.3 lb, and standardized at…

Q: Determine the bending moment M in the beam at the point located 0.60 m to the left of point D. The…

Q: Problem 13.21 The 450-kg mine car is hoisted up the incline using the cable and motor M. For a short…

Q: By direct integration, determine the moments of inertia of the triangular area about the x- and…

Q: Determine the forces in members CD, CJ, and DJ. M 10' L B 6 panels at 4' K C D I E H F G L LL LL L

Q: -3 ft- 100 lb 3 ft- B 200 lb-f 2 ft 13 12. B 15 Determine the reactions on the bent rod which is…

Q: The cross section of a bearing block is shown in the figure by the shaded area. Calculate the moment…

Q: Determine the moments at the supports. A is a fixed, C is a roller, and B is a pin supports. D is a…

A: ###Calculation of End Moments at Supports by Using MOMENT DISTRIBUTION METHOD###

Q: Determine the force in each member of the truss and state if the member are in tension or…

A: Given :

Q: Test 3. Draw the shear, moment, elastic curve, and axial diagram.

Q: 6.6 The in situ moist unit weight of a soil is 17.3 kN/m³ and the moisture content is 16%. The…

Q: Please answer completely. Box the final answers. Use the graphical method to construct the…

Concept explainers

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.

Question

Civil Engineering
The cohesion (c), angle of internal friction ()
and unit weight (y) of a soil are 15 kPa, 20° and
17.5 kN/m³, respectively. The maximum depth of
unsupported excavation in the soil (in m, round off
to two decimal places) is

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

A rectangular channel 5.8 m wide by 1.4 m deep was laid to have a hydraulic slope of 0.001. Using n = 0.013. (a) What is its yield in cubic meter per second? (b) What savings in earth excavation could be realized by using most economical proportion? (c) What savings in lining per meter length could be realized by using most economical proportion?
A rectangular channel 5.2 m wide by 1.4 m deep was laid to have a hydraulic slope of 0.001. Using n = 0.013. 1. What is its yield in m³/s? a. 16.63 b. 12.47 c. 19.12 d. 14.14 2. What savings in earth excavation could be realized by using most economical proportion? a. 0.85 cum b. 0.96 cum c. 1.05 cum d. 0.92 cum 3. What savings in lining per meter length could be realized by using most economical proportion? a. 0.8 m b. 0.944 m c. 1.13 m d. 1.04 m
5. Saturated silty clay encountered in a deep excavation is found to have a water content of 28%. Determine unit weight of the clay in kN/m3. Assume Gs=2.7
Explain the factors deciding the depth of soil exploration ?
An excavation for a square footing is 3.5m deep. The bottom of the excavation is 4 square meters. If the sides have a 0.5:1 slope, use the frustum formula to calculate the volume of excavation in cubic meters.
A site consists of a 12 m thick saturated clay deposit underlain by bedrock. The clay has ?=20.0?N/?3and ??=40?N/?2 . If an excavation is to be made at a slope angle ?=25° to a depth of 10.0 m, what would be the factor of safety FSs? What type of failure circle would you expect? (Please open the image in a new tab if need be, Thank you)
The figure below shows a proposed site where an excavation will be made. The 12 ft layer of sand will be removed, so that the top of the 30 ft normally consolidated clay layer will be exposed (Assume that changes in GWT do not affect γt of clay). a. Assume that the water-table location remains the same during excavation. Compute the σ, σ′v, and u values at the middle of the clay layer before and after the excavation b. Assuming 1-D conditions, compute how much the clay layer will deform due to this excavation, in inches. Specify whether this is settlement or heave
A 4 m high embankment with a top width of 5 m and side slopes of 1:1, has to be constructed by compacting soil from a nearby borrow pit. The unit weight and natural moisture content of the soil are 1.8 tons/m3 and 8% respectively. Determine the volume of earth in m3 to be excavated from the borrow for every kilometer of finished embankment, if the required dry density and moisture content of the embankment soil be 1.82 g/cm3 and 18% . Given G= 2.70. a.6,552 b.2,248 c.30,504 d.39,304
A rectangular channel 4.8 m wide and 1.4 m deep was laid to have a hydraulic slope of 0.0017. Using n = 0.011. What is the capacity of the channel in m^3/sec? a. 27.758 b. 24.478 c. 20.359 d. 23.204 what is the savings in earth excavation could be realized by using the most economical section? a. 0.117 b. 0.104 c. 0.134 d. 0.109 what is the savings in lining per meter length could be realized by using the most economical proportion? a. 0.24 b. 0.28 c. 0.33 d. 0.34
A large sized excavation is made in a stiff clay whose saturated unit weight is 17.27 kN/m3. When the depth of excavation reaches 7.5m, cracks appear and water begins to flow upward to bring up sand to the surface. Subsequent borings indicate that the clay is underlain by sand at a depth of 11m below the original ground surface. What is the depth to the water table outside the excavation below the original ground level?
Plz, answer all the parts have been asked in this question Geotechnical Engineering-2 Question-1: a. A fill load is applied on ground surface. WT being on the ground surface, describe the variation of porewater pressure and effective vertical stress with time for an element of soil at depth z and locate excess pore water pressure on the curve. b. Explain in-situ correction to e-logo' curve for Overconsolidated clay, with the help of diagram only c. Discuss the theorectical curve of U Vs log(Tv) with experimental curve of dial readings Vs log(t) from Oedometer Test.
A 4 m high embankment with a top width of 5 m and side slopes of 1:1, has to be constructed by compacting soil from a nearby borrow pit. The unit weight and natural moisture content of the soil are 1.8 tons/m3 and 8% respectively. Determine the volume of earth in m3 to be excavated from the borrow for every kilometer of finished embankment, if the required dry density and moisture content of the embankment soil be 1.82 g/cm3 and 18%. Given G= 2.70 O a. 2,248 O b. 6,552 O c. 39,304 O d. 30,504