Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 2, Problem 2.10P
The soil profile at a site consists of 10 m of gravelly sand underlain by a soft clay layer. The water table lies 1 m below the ground level. The moist and saturated unit weights of the gravelly sand are 17.0 kN/m3 and 20.0 kN/m3, respectively. Due to some ongoing construction work, it is proposed to lower the water table to 3 m below the ground level. What will be the change in the effective stress on top of the soft clay layer?
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- The tension in cable BA is 10 kN. The questions will lead you toward determining the moment of the force acting from B to A about the x-axis. Hints: Pay attention to the orientation of the XYZ coordinate axes. 1000 mm A (400, 300, 0) mm 600 mm xarrow_forwardThe beam shown in the figure below is typical for a floor system in an existing building.It needs to carry a uniform live load of 260 lb/ft and a uniform dead weight of 400 lb/ft,including its own weight. The owner wants to add a partition weighing 7 kip (live load) asshown. Assuming the added partition as live load, is the beam section adequate to safelycarry the extra live load?PartitionStirrups15 ft 3 in.14 in.a. Determine the d e s i g n m o m e n t c a p a c i t y .b. D e t e r m i n e t h e f a c t o r e d a p p l i e d b e n d i n g m o m e n t .c. Is the beam safe and adequate for bending? Please explain your response.arrow_forward4. Use the influence function method to draw the influence line for the shear just to the right of A. Assume C is fixed, A is a roller, and B is a pin. 8 ft A 16 ft B 10 ft-arrow_forward
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- The cantilever beam shown below supports a uniform service (unfactored) dead load of 1.5 kip/ft plus its own self weight, plus two unknown concentrated service (unfactored) live loads, as shown. The concrete has f’c = 6,000 psi and the steel yield strength is 60 ksi. a. Determine the design moment capacity. b. Set up the applied bending moment capacity. c. Calculate maximum safe concentrated live load that the beam may carry.arrow_forwardThe circular slab of radius r supported by four columns, as shown in figure, is to be isotropically reinforced. Find the ultimate resisting moment (m) per linear meter required just to sustain a concentrated factored load of P kN applied at the center of the slab. Solve by using equilibrium m m Columnarrow_forwardBy using the yield line theory, determine the ultimate resisting moment per linear meter (m) for an isotropic reinforced concrete two-way simply supported polygon slab shown in figure under a uniform load (q). Solve by using equilibrium method m marrow_forward
- By using the yield line theory, determine the ultimate resisting moment per linear meter (m) for an isotropic reinforced concrete two-way simply supported polygon slab shown in figure under a concentrated factored load of P. Solve by Using equilibrium method m m 8/arrow_forwardH.W: Evaluate the integral 1. 30 √ · √(x²y – 2xy)dydx 0-2 3 1 3. (2x-4y)dydx 1-1 2π π 5. (sinx + cosy)dxdy π 0 0 1 ƒ ƒ (x + 2. +y+1)dxdy 4. -1-1 41 ][ 20 x²ydxdyarrow_forwardExample 5 By using the yield line theory, determine the moment (m) for an isotropic reinforced concrete two-way slab (supports on two S.S sides shown in figure under the load (P) (all dimensions are in mm). Solve by using equilibrium method Please solve by using equilibrium method m m 3000 2000 2000arrow_forward
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