A retaining wall with a smooth vertical back retains sand backfill for a depth of 6m. Thehorizontal backfill has the following properties. d' = 0, y = 16KN/m³; Vsat = 20k N/m³.Calculate the magnitude of total thrust against the wall for given conditions: (a) backfillfully drained but the top of wall is restrained against yielding: (b) backfill fully drainedand the wall is free to yield, and (c) wall free to yield, water table at 3m depth withoutdrainage. Determine the point of application for the resultant thrust case(c).

data given c' = 0 γ=16 kN/m3γsat =20 kN/m3h = 6m

a smooth vertical back retains sand back s the following properties. c' = 0, y = 1 ide of total thrust against the wall for gi top of wall is restrained against yielding yield, and (c) wall free to yield, water

a smooth vertical back retains sand back s the following properties. c' = 0, y = 1 ide of total thrust against the wall for gi top of wall is restrained against yielding yield, and (c) wall free to yield, water

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter16: Lateral Earth Pressure

Section: Chapter Questions

Problem 16.19P

See similar textbooks

Related questions

Q: The height of the fluid inside the tube after immersion is 1⁄8 the height of the cylinder glass tubi...

Q: pressure in a given tank reads 188 mm of Hg Determine the equivalent height of column of nectar (sp....

A: Given: Pressure in tank = 188 mm of Hg, specific gravity nectar = 2.94 Calculate the equivalent hei...

Q: Question - Desig" Coibicod Serreo of KCC beamof ones)) Size 350Xフら0mm subietal to ve lod of 3UKN /m ...

A: given-width b=350 mmdepth, D=750 mmeffective depth d=700 mmFe415 M-20

Q: 4.0 The 800.0 kNcrate shown is in contact with a 45.0 ° incline plane. The coefficient of static fri...

Q: A grade descending at the rate of -4% intersects another grade ascending at the rate of +8% at stati...

A: We have to determine the value of necessary length of the curve as per the given data in the questio...

Q: The rigid beam ABCD is supported by hinge at point c and pinconnected rods at B and D as shown below...

A: Given Data -

Q: A. DRAW THE FREE BODY DIAGRAM B. DETERMINE SUPPORT REACTIONS C. DETERMINE THE SHEAR AND MOMENT AT ...

Q: (Problem 5.6 from the text book) For the beam and loading shown, (a) draw the shear and bending-mome...

A: Length of beam =LThe left support is hinge and right support is roller.The uniform loading length is...

Q: 26. A soil element is shown in Fig 25. Determine the following: a. Maximum and minimum principal str...

A: step 1-

Q: A roof truss has a span of 12 m and a rise of 2.4 m which is placed at 3.5 m c/c. Calculate the live...

Q: The value of stress produced due to 30 N is 44 N/mm2. Determine the cross sectional area of rod

A: We know that,stress is force per unit area. stress(N/mm2) = force(N) / area(mm2) Therefore, area = f...

Q: 1. The position vector, P, of a particle moving in a three dimensional space is P=(Rcos(cat ) i+(Rsi...

A: "v" denotes velocity "a" denotes acceleration

Q: Given data: Weight of dry soil=40 KN Volume of soil=2.36 m3 Find dry unit weight

A: The given question is related with geotechnical engineering . The given question contain value of dr...

Q: Find the field capacity of a soil for the following data: = 2 m ) Depth of root zone ) Existing wate...

Q: A rectangular open channel, with a constant discharge of 32m3/s, has a smooth expansion from (1) to ...

A: Given that, Constant discharge (Q)=32 m3/sec. Consider B1=3.6 m, y1=2.4 m Using the continuity equat...

Q: A copper bar (d = 20 mm, E= 120 GPa) is loaded by a compressive load of 15 kN. The maximum shear str...

Q: Determine the stresses for each segment when the temperature of the rigid bar is -45 degrees celsius...

A: solution as the temperatures decreases the material try to contract so inorder tensile stresses are ...

Q: Which of the following is/are TRUE about the Specific Gravity (Gs)? It is one of the most important ...

A: Which of the following is/are TRUE about the Specific Gravity (Gs)? The first 3 statements are true ...

Q: 1 3 2 Figure Q1

A: Supercritical Flow:- Depths of flow less than critical depths resulting from relatively steep slopes...

Q: 1. Calculate the maximum shear force for square beam of side is 320 mm. If the shear force is 94kN. ...

A: The given question is related with solid mechanics . In this question we are provided with value of ...

Q: Distance between the two points Pand Q was required to be determined from tacheometer fitted with an...

Q: Determine the deflection at point B given the cross-section of the beam and assuming E = 200 GPa. 20...

A: Given Data: Flange width B = 200 mm Flange thickness tf = 20 mm Depth of Section D =200 mm Web thic...

Q: f the plate load test shows settlement of plate as 15 mm, for a 400 mm wide plate hen how much more ...

Q: Given data : Water content%3D0.02 Weight of water340 g Find weight of dry soil

A: The given question is related with geotechnical engineering . In this question we are provided with ...

Q: Four 28 bars are to be placed on a single layer in a beam having a width of 350 mm with shear reinfo...

A: Clear cover It is the distance between the outer face of any RCC member (column, beam, slab, and f...

Q: An equal tangent sag equal tangent verticle curve (with a negative initial and a positive final grad...

A: Given -

Q: 1. What is the max deflection & in the beam figure shown below with length L and a concentrated forc...

Q: The velocity through the throat of a venturi meter is four times that of the velocity through a pipe...

Q: From the following figures, find the following materials required for its construction.

A: The given drawing is insufficient for determining the Quantity estimation of materials. We require ...

Q: 2. In an effort to control the destructive power of water during extreme conditions, a planned flood...

Q: A building has to be supported over a raft foundation of dimensions 15 m x 25 m. The soil is clay ha...

Q: open to average bed shear stress is 1 N/m2, then the Chezy's coefficient C is nearly.

A: Given : Average bed shear stress = 1 N/m2 Velocity of flow = 1.23 m/s

Q: Que 102. Determine the maximum discharge for a broad crested weir of length 60m, and height of water...

A: Given data- Length L=60 mHeight of water H=60 cmcoefficient of discharge Cd=0.62To find-Maximum disc...

Q: A certain fund pays 6% interest per quarter. What is the effective rate of interest? 26.25% 7.14% 25...

A: Quarter based interest rate is given and it has been asked to determine effective interest rate. Ple...

Q: A soil sample taken from a field contains a volume of 110 cm3 , weighs 220 grams when taken, and 165...

Q: A framed of 6 m span is carrying a central load of 10 kN as shown in Fig. 13.17. 10 kN 3 m 3 m 6 m F...

Q: The following criteria are needed to reach the "steady state" EXCEPT.. i. The water level in the tes...

A: The following criteria are needed to reach the "steady state" EXCEPT.. iv. The water level in all w...

Q: 25. For the truss shown in figure A, what is the reaction RBy at node B? A. 1,000 lb B. 1,500 lb C. ...

A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since ...

Q: A soil sample taken from a field contains a volume of 110 cm3 , weighs 220 grams when taken, and 165...

A: Given Data -

Q: Water flows over a spillway of a dam from a depth of 8 m upstream the spillway to a depth of 1.5 m d...

Q: i) The total stress at the depth of 30 meters from the ground surface is: j) The neutral stress dire...

Q: We need to determine the kinetic energy of a car travelling with a velocity of v = 12.5 m/s if a car...

A: The given question is related with mechanics . In this question we are provided with value of mass o...

Q: Derive equations for shear force and bending moment for the simply supported beam with two overhangs...

Q: From the following figures, find the following materials required for its constructions. a. 15 x 20 ...

A: Calculating the sand, cement for plastering total area=2A Considering all the dimensions of the stru...

Q: A 200 meter parabolic curve has a grade of -4% and +6%. The two grades intersect at 5+600 with eleva...

A: We have to determine the value of elevation of the top of the culvert pipe if backfill depth is 0.60...

Q: 4. Determine the total discharge from the stream data provided. Velocity (m/s) Point Depth (m) 0.2d ...

A: Given data: Assuming width between the points as 1m.

Q: in the jump. (32 ate the discharge over the spillway when the head on the spillway (h) is 10.0 m

Q: Draw the shear and moment diagrams using METHOD OF SECTIONS 3 kN/m A 150 mm |C -2.4 m -1.2 m-

Q: The weir below is to be built such that the estimated average flow over its crest will be Q = 3000 m...

Q: Determine the reaction at points A and C. Member BC is pin-connected at both ends. (Partial ans. Ax ...

A: Given '

Question

A retaining wall with a smooth vertical back retains sand backfill for a depth of 6m. The
horizontal backfill has the following properties. d' = 0, y = 16KN/m³; Vsat = 20k N/m³.
Calculate the magnitude of total thrust against the wall for given conditions: (a) backfill
fully drained but the top of wall is restrained against yielding: (b) backfill fully drained
and the wall is free to yield, and (c) wall free to yield, water table at 3m depth without
drainage. Determine the point of application for the resultant thrust case(c).

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

Step 2

Step 3

Step 4

Step 5

Step by step

Solved in 5 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Lateral earth pressure distribution against retaining walls

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 retaining wall 6 m high with a vertical back face retains a homogeneous saturated soft clay. The saturated unit weight of the clay is 19.8 kN/m^3. Laboratory tests showed that the undrained shear strength, cu, of the clay is 14.7 kN/m^2. a. Do the necessary calculations and draw the variation of Rankine’s active pressure on the wall with depth. b. Find the depth up to which a tensile crack can occur. c. Determine the total active force per unit length of the wall before the tensile crack occurs. d. Determine the total active force per unit length of the wall after the tensile crack occurs. Also find the location of the resultant.
A retaining wall with a smooth vertical back retains silt backfill for a depth of 6 m. The backfill has a horizontal surface having following properties c'= 10 kPa, = 20° and y = 17 kN/m³. Calculate the percentage decrement in the magnitude of thrust on the wall when the wall is restrained against yielding to when the wall is free to yield (assume development of tension crack when wall yields). A 32.8% B 45.7% C 50.3% D 61.4%
An 8 m tall retaining wall holds cohesionless sand with a density and angle of internal friction of 1.85 Mg/m3 and 33°, respectively. If the surface of the backfill slopes upwards at 86° to the vertical, Use Rankine’s conditions to find the force per unit length of the wall and its location for (a) Active State (b) Passive State Please draw the pressure diagram neatly for both cases
12.6 Refer to Figure 12.10. For the retaining wall, H = 8 m, ' = 36°, a = 10⁰, y = 17 kN/m³, and c' = 0. a. Determine the intensity of the Rankine active force at z = 2 m, 4 m, and 6 m. b. Determine the Rankine active force per meter length of the wall and also the location and direction of the resultant.
Given: → 4.5-m high retaining wall . Retaining homogeneous satorated soft clay. O'sat= 19.6 kNĪm³ Cu = 19.3 kN/m² ( undrained shear strergth) -> Diagram: Sopt Clay sat - 19.6 kN/m? Cu- 19.3 kN/m³ 4.5-m Make the necessary calu lation and draw the varialion of Rankine's active pressure on the wall with depth. nclude #te pressure from a waker-filled crack in - Find the depth up to which a tensile crack can occur. Delermink the total active force per unit lengh of the wall bepore the tensile crack gccurs. Assome tension stresses exist ard do not include the force from waler - filled Crack. - Delermine the tolal active force force per wall after the tensile crack occurs. 'Also, find Hhe locathon of the resultant. Neglect tersion shresses and include the force from the wafer-pilled crack. Find: your drawings unit lergth op the
A retaining wall 6m high retains sand with φ = 30° and unit weight24kN/m3 upto the depth of 3 m from top. From 3 m to 6 m the material is cohesive soil with c = 20kN/m2 and φ = 20°. Unit weight of cohesivesoil is 18 kN/m3 A uniform surcharge of 100 kN/m2 acts on top of thesoil determine the total lateral pressure acting on the wall and its pointsof application.
Given the height of the retaining wall, H is 6.4 m; the backfill is a saturated clay with f 5 08, c 5 30.2 kN/m2 , gsat 5 17.76 kN/m3 , a. Determine the Rankine active pressure distribution diagram behind the wall. b. Determine the depth of the tensile crack, zc. c. Estimate the Rankine active force per foot length of the wall before and after the occurrence of the tensile crack.
A retaining wall of 10 m height retains sandy soil. The backfill void ratio and angle of internal friction are as follows: a) In loose state e = 0.7, ø= 300 b) In dense state e = 0.4, $= 40 If the specific gravity of the backfill sand = 2.7, compute the active and passive pressure in the case of loose and dense state.
Considering that the horizontal thrust from the back of a 5.5 m wide brick wall to the 1 m deep part of the wall is H = 55 kN a) Find the greatest stress in the base when b = 2 m.b) Find the width b so that there is a shrinkage zone at the base.(Note: unit weight of brick wall ỿ = 24 kN / m3 ) Answer: ϭmax=0,30 Mpa, b=2,23 m
A retaining wall supports a horizontal backfill that is composed of two types of soil. First layer: 4.84 meters high, Unit weight of 17.36 kN/m3, coefficient of active pressure of 0.285 Second layer: 5.68 meters high, Unit weight of 18.9 kN/m3, coefficient of active pressure of 0.307 Determine the distance of the total active force measured from the bottom of the wall. Round off t
A retaining wall with a smooth vertical back retains a purely cohesive fill. Height of wall is 12 m. Unit weight of fill is 20 kN/m3, cohesion is 1.5 N/cm2. Assume tension cracks are developed. Mark the correct statement(s) about earth pressure. A Active thrust acting on wall is 1102.50 kN/m. Correct Option Depth of active thrust acting on wall is 6 m. C Active thrust acting on wall is 112.39 tonne/m. Correct Option Depth of active thrust acting on wall is 3.5 m from base. Correct Option B
The following figure shows a section of an anchored retaining wall embedded into a saturated stiff clay layer. The sand has a unit weight of = 18 kN/m³, c' = 0 kPa and o' = 34º. The clay has a unit weight of = 20 kN/m³, c₁ = 80 kPa and = 0°. A uniform pressure of 40 kPa is applied on the soil surface. The short term stability of the wall is considered in an undrained analysis. Use the Rankin's theory of lateral earth pressure to determine the active and passive horizontal stresses. You should apply the requirements of AS 4678 and the partial factors of safety method in estimation of soil pressures. Assume the soil is in-situ and use a structural classification factor of ₁ = 1. 3m 1m Water table 1.5m 40 kPa Not to Scale Sand Clay Ta