3. From the figure shown below, the hydrostatic uplift varies linearly from one-half the hydrostatic head at the upstream edge of the dam to zero at the downstream edge. Determine the following: a. Vertical reaction of the dam b. Is the dam safe against overturning c. Is the dam safe against sliding. Use coefficient of friction=0.57 d. Maximum and minimum soil pressure

3. From the figure shown below, the hydrostatic uplift varies linearly from one-half the hydrostatic head at the upstream edge of the dam to zero at the downstream edge. Determine the following: a. Vertical reaction of the dam b. Is the dam safe against overturning c. Is the dam safe against sliding. Use coefficient of friction=0.57 d. Maximum and minimum soil pressure

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The channel section shown is subjected to a vertical shear force of V = 20 kN. Calculate the horizontal shear stress TA at point A, and the vertical shear stress Tg at point B. Assume a = 40 mm, b = 250 mm, tw= 16 mm, t;= 12 mm, d = 82 mm. B Answers: TA = MPa MPa TB =
For a linear stress variation over the base of the dam and neglecting hydrostatic uplift. 70m note: sg concrete=2.5 40m 60m 10 6. Locate where the resultant crosses the base a. 5.59 m b. 6.28 m c. 8.42 m d. 10.51 m 7. Compute the maximum compressive stress at the base a. 1390 kPa b. 1186 kPa с. 463 kPa d. 508 kPa
Statics of the Rigid bodies
An embankment load on a silty clay soil layer as shown below. Determine the stress increase under the embankment at points A and B that are loaded at a depth of 6 m below the ground surface, please use figure (10.20). 5 m 1Н:2V, 1H:2V 1H:1V 8 m y=18 kN/m y=18 kN/m" 6 m : B Figure 10.19 Embankment loading 0.50- 3.0 20 16 0.45- 14 1.2 LO 0.40 - 0.9 0.8 0.7 0.35 - 0.6 030- 05 04 * 025 - 03 0.20 - 0.2 0.15 - 0.10 - 0.1 0.05- Figure 10.20 Osterberg's chart for determination of vertical stress 0.00 TI TT - due to embank- 01 0.1 10 ment loading 100 327
2. Refer to the figure. Assume unit weight of concrete to be 23.5 kN/m. Hydrostatic uplift varies from % of the hydrostatic pressure at the heel and zero at the toe. Calculate the following. a. Calculate the vertical component of the soil reaction on the dam. b. What is the factor of safety against overturning? c. What is the factor of safety against sliding? d. What is the maximum foundation pressure? 1m 2m 9m 6m
A masonry dam with one end face vertical, has a base 3.3 m and 7.2 m high. The vertical face is subjected to water pressure, the (s 2.4) triangular in cross section, water standing 4.5 Neglect hydrostatic uplift. Compute the following: above the base of the dam. a. The vertical reaction of the foundation. b. Distance of the vertical reaction from the heel. c. Factor of safety against overturning.
Solve this.
A concrete dam retaining water is shown. Assuming that there is a hydrostatic uplift that varies uniformly with 80% of the hydrostatic head from the heel to zero at the toe, compute for: a. Hydrostatic uplift force, U b. Factor of safety against overturning c. Minimum pressure at the base of the dam Specific weight of concrete = 23.5 kN/m^3 Coefficient of static friction = 0.5 Coefficient of kinetic friction = 0.4 2m 7m Water
For the dam cross-section shown below, determine the minimum value of b such that the resultant force crosses the base within the middle thirds near the toe. The coefficient of static friction between the base of the dam and the foundation is 0.60. After computing the minimum value of b compute the corresponding the factors of safety against sliding and overturning. What is the maximum soil pressure in KPa? Consider two cases: (a) neglecting hydrostatic uplift. (b) considering hydrostatic uplift that varies from 80% of full static head at the heel to zero at the toe. Vw.s. 6 m 18 m (s-2.20) 6 m
Figure 3 shows the schematic of an embankment. The unit weight of the embankment material y is 18.0 kN/m³. The embankment has a crest width of 15 m, a height of 30 m, and a 1:1.5 (V:H) slope. Find the vertical stress increases at Points A, B and C due to the embankment. 7.5m 7.5m 1 m H 5 m C 15 m 30 m A B 1.5