Subject : Geotechnical Engineering A retaining wall with a vertical back of height 8 m, supports soil of density 1.75 Mg/m³, andangle of internal friction o'en 30°. The surface of the soil is horizontal. Find the magnitudeof the minimum horizontal thrust per linear metre of wall.(Ans. 183 kN/m )

active earth pressure coefficient ka=1-sinϕ1+sinϕ

A retaining wall with a vertical back of height 8 m, supports soil of density 1.75 Mg/m', and angle of internal friction oen 30°. The surface of the soil is horizontal. Find the magnitude of the minimum horizontal thrust per linear metre of wall. (Ans. 183 kN/m)

A retaining wall with a vertical back of height 8 m, supports soil of density 1.75 Mg/m', and angle of internal friction oen 30°. The surface of the soil is horizontal. Find the magnitude of the minimum horizontal thrust per linear metre of wall. (Ans. 183 kN/m)

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter14: Lateral Earth Pressure: Curved Failure Surface

Section: Chapter Questions

Problem 14.11P

See similar textbooks

Related questions

Q: A 3 m high vertical earth retaining wall retains a dry granular backfill with angle of internal…

Q: Q2/ A smooth retaining wall with 2m of embedment in the clayey sand retains a óm high sandy backfill…

A: Sand layer: Clayey sand:

Q: Determine the passive thrust pressure for the backfill soil having an internal friction angle of 35°…

A: Given: Internal friction angle = 35° Unit weight = 110 lb/ft3 Height = 18 ft

Q: A wall of 8 m height retains sand having a density of 1.936 Mg/m3and angle of internal friction of…

A: Height H=8mDensity ρ=1.936×106×10-3=1936kg/m3.Surcharge Slope α=15 DegressInternal Frictiobn θ=34…

Q: The backfill behind a retaining wall, located above the water table, consists of a sand of unit…

Q: A 5 m high vertical wall retains an overconsolidated soil where OCR = 1.5, c' = 0, 6' = 33°, and y =…

A: Given Data: Height of vertical wall (H) = 5m Over consolidated soil OCR=1.5 Cohesion (C')=0 (means…

Q: A retaining wall has 8 m high is to support a clay deposit having saturated unit weight of 20 kN/m3…

Q: A frictionless retaining wall is 7 m high and supports a horizontal backfill with the following…

A: A retaining wall 7 meter high is given in the question which is retaining soil mass having angle of…

Q: Q3. For the frictionless wall shown in Figure, determine the following: (a) The active lateral earth…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: 9.8 The total active thrust on a vertical wall 3 m high retaining a horizontal sand backfill (unit…

Q: Determine the total active thrust, in kN/m, for a retaining wall (height 4.77 m.) with horizontal…

Q: 16.1 A 5 m high vertical wall retains an overconsolidated soil where OCR = 1.5, c' = 0, 6' = 33°,…

A: As the soil is at rest, hence the at-rest earth pressure coefficient is, Ko=1-sin∅' For the given…

Q: 12. A backfill of a retaining wall consists of y=19 kN/m³ which is 6 m high. Find the total earth…

A: Given data: A backfill of a retaining wall consist, Y = 19 kN/m3 Height, H = 6 m Coefficient of…

Q: A wall 6m high retains sand having a dry density of 15.40 KN/m3. Angle of internal friction of 32'…

Q: Calculate the total active thrust on a smooth vertical wall 5 m high retaining a sand of unit weight…

A: The Acfine thrust on asmooth wallheight of wall =5m.Sand anit weight = 17 KAABAngle of internal…

Q: Determine the total active thrust, in kN/m, for a retaining wall (height 4.54 m.) with horizontal…

Q: Determine the total active thrust, in kN/m, for a retaining wall (height 5.60 m.) with horizontal…

A: height = 5.60 m Unit weight = 17.42 kN/m3 C = 11.76 kpa q = 9.32 kpa

Q: A wall 7m high retains dry sand having a density of 1570 kg/m3 and an angle of shearing resisitance…

Q: A retaining vertical wall 5 m high is retaining a sand of unit weight 17 kN/m3 for which o = 35°,…

Q: 19. Determine the total active thrust, in kN/m, for a retaining wall (height 5.55 m.) with…

A: solution Given angle of internal friction φ=31°coefficient of active earth pressure…

Q: The total active thrust on a vertical wall 3 m high retaining a horizontal sand backfill (unit…

A: To find the total active thrust on the vertical wall

Q: 2. Determine the maximum pressure and the Rankine active force per meter length of the wall and…

Q: Question-5: A retaining wall with a smooth vertical back retains sand backfill for a depth of 6 m.…

A: Geotechnical engineering : Geotechnical engineering is the study of soil behavior under the…

Q: Which of the following most nearly gives the total active thrust on the wall? a. 114.8 kN b. 162.4…

Q: A retaining vertical wall 5 m high, retaining a sand of unit weight 17 kN/m3 for which e = 35°, the…

Q: A frictionless retaining wall is 7 m high and supports a horizontal backfill with the following…

A: Water table also cause Active earth pressure on the retaining wall . Area of the pressure diagram…

Q: SOLVE FOR THE LOCATION AND MAGNITUDE OF THE PASSIVE AND ACTIVE THRUST OF THE RETAINING WALL. Along…

A: For passive pressure Kp=1+sinϕ1-sinϕ=1+sin30°1-sin30°,=3as it is a cohesive soilthus,…

Q: A 10m high gravity retaining wall is required to support a hard clay backfill having a level surface…

A: Retaining walls are the structures which are used to hold the soil mass thereby helping in holding…

Q: H.W.1 The backfill retained by a gravity retaining wall shown in Figure consists of two sand layers,…

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

Q: A 6 m high retaining wall with a vertical back has a backfill of silty sand with a slope of 10° for…

A: Night of embankment, slope of backfill and horizontal and vertical direction load have been given…

Q: Q.1. Refer to the infinite slope shown in Figure 1. Given: β = 19 ͦ, ɣ = 20 kN/m3 , Ø = 33 ͦ, and c’…

A: Solution Given Data β = 19 ͦ, ɣ = 20 kN/m3 Ø = 33 ͦ c’ = 47 kN/m2 Fs = 3.1

Q: 16N, 6 = 7. For a vertical retaining wall 5 m high with level backfill and the properties y = 32°, &…

A: Note : Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A 5 m high retaining wall having a smooth vertical back face retain a layered horizontal backfill.…

A: Use formula of passive pressure.

Q: The total active thrust on a vertical wall 3 m high retaining a horizontal sand backfill (unit…

A: To find total active thrust on vertical wall,??

Q: • A smooth backed vertical wall is 2.8 m high and retains a soil with a bulk unit weight of 19 KN/m³…

Q: H.W.3 For a smooth vertical wall supporting a granular backfill with o' = 34°, determine K, using…

A: 3.

Q: A vertical retaining wall of 5m height has to support soil having unit weight of 18KN/m, effective…

Q: Hence, the lateral active thrust on the wall per meter length is 21.72 kN/m. A 5 m high vertical…

Q: Determine the active thrust pressure for the backfill soil having an internal friction angle of 35°…

A: Given: Internal friction angle = 35° Unit weight = 110 lb/ft3 Height = 18 ft

Q: A smooth vertical wall 4 m retains cohesive soil backfill with c= 10 kN/m?. $ = 0 and y = 18 kN/m2.…

Q: 3. A retaining wall 3 m high retains a cohesionless soil backfill, with unit weight of 16.51 kN/m³…

A: Given Data: Height of Retaining Wall =3 m Cohesionless soil Backfill Unit weight = 16.51 KN/m3 Angle…

Q: A vertical retaining wall with smooth surface is 12 m high and retains granular soils. The surface…

Q: A 4-m-high smooth vertical wall retains a granular backfill with y = 18.0 kN/m and o' 33°, Using…

A: To determine the active force per unit length of vertical retaining wall using Rankine's…

Q: A frictionless retaining wall is 7 m high and supports a horizontal backfill with the following…

A: Two strengths do the retaining wall have to withstand. The retaining walls will be prevented from…

Q: A 3 m high vertical earth retaining wall retains a dry granular backfill with angle of internal…

Q: A smooth vertical wall of height 6 m retains a granular backfill with unit weight of 22 kN/m³ and a…

Q: نقطة واحدة A retaining wall has 8 m high is to support a dry cohesionless sand with an angle of…

Q: 5. Determine the magnitude and the location of the active thrust on the smooth vertical wall shown…

Question

Subject : Geotechnical Engineering

A retaining wall with a vertical back of height 8 m, supports soil of density 1.75 Mg/m³, and
angle of internal friction o'en 30°. The surface of the soil is horizontal. Find the magnitude
of the minimum horizontal thrust per linear metre of wall.
(Ans. 183 kN/m )

Study of soil under various loading conditions for different structures. The stability of slopes, foundation planning and designing, shear and bearing capacity of soil are common areas of geotechnical engineering.

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 calculation of Ka

VIEW

Step 2 calculation of unit weight of soil

VIEW

Step 3 calculation of active earth pressure at different depth

VIEW

Step 4 calculation of thrust

VIEW

Step by step

Solved in 4 steps with 7 images

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 braced wall is shown in Figure 14.20. Given: H = 7 m, naH = 2.8 m, =30, =20, = 18 kN/m3, and c = 0. Determine the active thrust, Pa, on the wall using the general wedge theory. Figure 14.20
The backfill behind a retaining wall, located above the water table, consists of a sand of unit weight 17 kN/m3. The height of the wall is 6 m and the surface of the backfill is horizontal. Determine the total active thrust on the wall according to Rankine’s theory if f’ = 37o. If the wall is prevented from yielding, what is the approximate value of the thrust on the wall?
A wall 6m high retains sand having a dry density of 15.40 KN/m3. Angle of internal friction of 32' and void ratio of 0.68. Use rankine theory. a. Determine the active thrust in kN per unit length of wall if there's ground water table located 2.5m below the ground. b. Determine the location of resultant thrust from the ground surface considering the ground water table located 2.5m below the ground.
Determine the total active thrust, in kN/m, for a retaining wall (height 5.60 m) with horizontal backfill given the following properties: Unit weight = 17.42 kN/m3, angle of internal friction = 32 degrees, Cohesion = 11.76 kPa, Surcharge = 9.32 kPa.
A smooth gravity wall retains a 12 m-high backfill as shown in the figurebelow. The top 8 m is sand, which is underlain by some clay. The soilproperties are as follows:Sand: γm = 18.9 kN/m 3, γsat = 19.8 kN/m 3; φ' = 32°Clay: γm = 20.1 kN/m 3; φ' = 18°, c' = 20 kPaAssuming that the entire soil is in the active state, find the location andmagnitude of the total thrust on the wall.
Calculate the total active thrust on a smooth vertical wall 5 m high retaining a sand of unit weight 17 kN/m3 for which φ′ = 35° and c′ = 0; the surface of the sand is horizontal and the water table is below the bottom of the wall.
Determine the active thrust pressure for the backfill soil having an internal friction angle of 35° and unit weight of 110 lb/ft3. The height of the retaining wall is 18 ft.
Q.9 A smooth retaining wall is 4 m high and supports a cohesive backfill with a unit weight of 17 kN/m3. The shear strength parameters of the soil are cohesion =10 kPa and Ø = 10°. Calculate the total active thrust acting against the wall and the depth to the point of zero lateral pressure
Q.5 A retaining wall has a vertical back and is 7.32 m high. The soil is sandy loam of unit weight 17.3kN/m3. It has a cohesion of 12 kN/m2 and Ø = 20°. Neglecting wall friction, determine the active thrust on the wall. The upper surface of the fill is horizontal.
Q.8 The depths of soil behind and in front of a rigid retaining wall are 25 ft and 10 ft. respectively, both the soil surfaces being horizontal (Fig. 3). The shear strength parameters for the soil are c = 600 lb/ft2, and Ø = 22°, and the unit weight is 110 lb/ft3. Using Rankine theory, determine the total active thrust behind the wall and the total passive resistance in front of the wall. Assume the water table is at a great depth
Determine the total active thrust, in kN/m, for a retaining wall (height 4.54 m.) with horizontal backfill given the following properties: Unit weight = 17.74 kN/m3, Angle of internal friction = 34°, Cohesion = 11.33 kPa, and Surcharge = 8.57 kPa. Round off to two decimal places.
A retaining wall 7 m high supports a cohesionless soil having a dry density of 1600 kg/m3, the angle of shearing resistance is 33° and void ratio of 0.68. The surface of the soil is horizontal and level with the top of the wall. Neglect wall friction and use Rankine’s formula for active pressure of a cohesionless soil. Determine the nearest value of the total earth thrust on the wall in kN per lineal meter if the soil is dry. Determine the nearest value to the thrust on the wall in kN per lineal meter if owing to inadequate drainage, it is water logged to a level 3 m below the surface. Determine the nearest value to the height above the base of the wall where the thrust acts during the waterlogged condition.