o Given: A earth pile with L, E, and A known and constant F Y X (L-x) steel pile soil f = force/length o Find: The total deformation, A, of the pile.
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- P 3) A simply supported beam constructed by four woods nailed together as shown in the figure. If each nail can support a shcar force of V-11 kN, and the allowable shcar stress for the material is (twood)Jallow=2 MPa, Considering the only shear effect; A 3m В 3m + a) Calculate the P force that the beam can carry safely. b) Using the calculated value of Pin (a), determine the maximum distance between the nails. 12em 12 Figure-3A 20 m long concrete pile is shown in Figure P12.2. Estimate the ultimate point load Qp by a. Meyerhofs method b. Vesics method c. Coyle and Castellos method Use m = 600 in Eq. (12.28).Find the force F in the image below such that the deep pile foundation under the structure frame (under the pinned support) is not under tension. (All measurements are in the metric system) F→→ w = 10 ton/m -5.00 4.00
- The wooden pile shown in the figure has a diameter of 100 mm and is subjected to a load of P = 70 kN. Along the length of the pile and around its perimeter, soil supplies a constant frictional resistance of w = 4.99 kN/m. The length of the pile is L = 4.2 m and its elastic modulus is E = 8.7 GPa.Calculate(a) the force FB needed at the base of the pile for equilibrium.(b) the magnitude of the downward displacement at A relative to B.The wooden pile shown in the figure has a diameter of 120 mm and is subjected to a load of P = 80 kN. Along the length of the pile and around its perimeter, soil supplies a constant frictional resistance of w = 4.59 kN/m. The length of the pile is L= 4.8 m and its elastic modulus is E = 9.5 GPa. Calculate (a) the force FB needed at the base of the pile for equilibrium. (b) the magnitude of the downward displacement at A relative to B. P y A B FB LThe wooden pile shown in the figure has a diameter of 105 mm and is subjected to a load of P = 70 kN. Along the length of the pile and around its perimeter, soil supplies a constant frictional resistance of w = 3.85 kN/m. The length of the pile is L = 4.0 m and its elastic modulus is E= 12.9 GPa. Calculate (a) the force Fg needed at the base of the pile for equilibrium. (b) the magnitude of the downward displacement at A relative to B. y L Answers: (a) FB = (b) UA= i i B FB KN mm
- Answer the following questions – showing in order, complete and correct handwritten solutions. Use one bond paper per problem and follow necessary formats. 1. Refer to the pile shown in the figure. Estimate the side resistance when K = 1.3 and 8'=0.8Ø Concrete pile 356 mm x 356 mm Loose sand di = 30 y= 17.5 kN/m 12 m Dense sand d = 42" y = 18.5 kN/m 2. Consider a pipe pile havıng an outside diameter of 500mm. The embedded length of the pile in layered saturated clay Is 22m. The followng are the details of the subsoil: Cu, kPa Depth from ground surface (m) Saturated unit weight, kN/m3 0-3 16 25 3-10 17 43 10-30 18 85 Compute for the pile tıp capacıty by a) Meyerhof's and b) Vesic'sA cantilever timber beam (FIGURE A) with a span of L = 12.3 ft supports a linearly distributed load with maximum intensity of wo. The beam width is b = 15.00 in. and the beam height is h = 8.25 in. (Figure B). The allowable bending stress of the wood is 950 psi. Calculate the magnitude of the maximum load wo that may be carried by the beam. Wo A В L b FIGURE A FIGURE B Part 1 Determine the section modulus for the rectangular cross-section about the horizontal centroidal axis. S = i in.PROBLEM 4: The steel framework is used to support the 100mm reinforced lightweight concrete slab that carries a uniform live loading of 25 kN/m². Sketch the loading that acts along members BE and FD. Set b = 3m, a = 2.4m (Hint: see the Table for Dead Loads) C A B a Answer: Reaction @ B: 57.2kN Reaction @F: 95.4 kN
- Problem #1 A 20-m-long concrete pile is shown Below. Estimate the ultimate point capacity Op by: a. Meyerhof's method b. Vesic's method c. Coyle and Castello's method Use m= 600 in Eq. (9.26). Estimate the side resistance Qs by: a. Using Eqs. (9.40) through (9.42). Use K = 1.5 and 8 = 0.60 b. Coyle and Castello's method [Eq. (9.44)] l-20 m Concrete pile 460 mm X 460 mm Loose sand $₁ = 30° y = 18.6 kN/m³ 18.6x2 = 372 kr/m² Dense sand $2 = 36 y = 18.5 kN/m²A 1.6-m-long cantilever beam supports a concentrated load of P = 7.2 kN. The beam is made of a rectangular timber having a width of 120 mm and a depth of 280 mm. Calculate the shear stress due to the applied load at a point located d = 131 mm below the top surface of the beam. 280 mm A B 1.6 m 120 mm O 258 kPa O 230 kPa О 303 КРa О 320 kPa О 433 КPaDetermine the principal stresses and the maximum in- plane shearing stress. Show all results on complete sketches of differential elemeNisa тху %3D 30 МPа