Sheet-pile wall GWL El=-1,5m \\\ sand 1 = 17 kN/m³ Excavation El=-4.0m El=-5.0m sand 2 4 = 17 kN/m³ Figure 2 – Cross-section of excavation Figure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a large sewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. The friction angle of the sand 1 and sand 2 is 30° and 35°, respectively. Explain your assumptions. a. Draw the earth pressure diagrams (some of the earth pressures will be function of "d", embedment depth). b. Find the embedment depth “d" using the simplified method. Find the maximum moment on the wall and minimum section modulus required. c.

Sheet-pile wall GWL El=-1,5m \\\ sand 1 = 17 kN/m³ Excavation El=-4.0m El=-5.0m sand 2 4 = 17 kN/m³ Figure 2 – Cross-section of excavation Figure 2 shows the cross-section of a 7m-wide, 2.5m-deep excavation that will be used to build a large sewer line. The excavation is supported by sheet pile walls that extend through layers of sand layers. The friction angle of the sand 1 and sand 2 is 30° and 35°, respectively. Explain your assumptions. a. Draw the earth pressure diagrams (some of the earth pressures will be function of "d", embedment depth). b. Find the embedment depth “d" using the simplified method. Find the maximum moment on the wall and minimum section modulus required. c.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.4P

See similar textbooks

Similar questions

Determine the consolidation settlement of piles group shown below. Sand y = 105 lb/ft³ Groundwater table: 2V:1H Clay Clay (not to scale) (30 f Q = 500 Kip Δαίν Aσ(2) ∙3 ft 27 ft 21 ft (3), 40(3) 2V:1H 6 ft Clay = Ysat 48 ft e,, = 0.82 C₁ = 0.3 115 lb/ft³ 7. Rock Pile group: L = 9 ft: B₂ = 6 ft Ysat = 120 lb/ft³ -0.7 ea 12 ft C = 0.2 $6 it e Ysat = 122 lb/ft³ = 0.75 C = 0.25
3 - Using Meyerhof method for point load determine Qult FOS = 3 SAND $= 31° Y=17 kNlm3 CROUND WATER O.45mp- PRIVEN k=1,5 Ko PILE SAND $ = 330 Y=19 KN (m?
From the given earthworks data shown, determine the total cost of earthworks if unit cost of haul is P 500 per on, unit cost of borrow is P 3,500 per cubic meter, and unit cost of excavation is P 1,000 per cubic meter. Free haul dist. mated to be 400 m. Assume shrinkage of 20 %.
Find the maximum depth of excavation for clay soil that no needs to use sheet pile? p = 0 C = 60 kPa Y = 20 kN/ m³ エ

Determine the theoretical embedment depth for the given free support anchored sheet pile wall placed in sand. 7m Dredge line D Ground surface 1 m SAND =30° C = 0 Yn 18.0 kN/m³
A construction project of cantilever sheet pile penetrating saturated clay is designed to form a sheet pile wall along a riverbank as shown in Figure C. Determine: i. - ii. The theoretical and actual depth of penetration by using Dactual = 1.5D theory The maximum size of sheet pile section necessary by using all = 172.5 MN/m². Sand A y=16 kN/m³ c' = 0 2m Water table p=32 Sand Ysat 19.35 kN/m³ c' = 0 4'=32 Clay Vsat 19.35 kN/m³ c′ = 46.9 kN/m² 3m Figure C E B Riverbed
1- Depth of B.H ==> depth of borehole 2- Bearing capacity for the soil under the footing. ==> hansen equation 3- Immediate settlement for the soil under footing. ==> Si 4- Find the time required for 100% degree of consolidation
Q: The following figure shows the flownet for seepage of water around a single row of sheet piles driven into permeable layer. Calculate the factor of safety against downstream heave, given that Ysat = 19 kN/m³ and yw = 9.81 kN/m³. All the relevant information are provided in the figure. HI-10m 6m ↓ Heave zone Sheet pile Impermeable layer H₂= 2 m Y-16 kN/m
A vertical cut is made in a purely cohesive soil with a volumetric weight of ym = 1.90 cohesion of 4.0 ton/m2 and angle of internal friction of $=0°. These parameters were obtained in a consolidated rapid test. Calculate the maximum height at which it can be temporarily withoutsupport. H? EXCAVACIÓN ARCILLA Ym 1.90 ton/m³ C = 4.00 ton/m² Excavation= Excavación Clay= Arcilla = 0°
A 5 m deep excavation is required in a dry sand where g 517.5 kN/m3 and f9 5 328 (see Figure 18.11). Determinethe actual depth to which the sheet pile has to be driven andthe required section (from Table 18.1), assuming allowablestress of 190 MN/m2. Use the net pressure diagram.Dactual 5 1.3Dtheory
P 5: -5.50m- A cofferdam of two lines of sheet piles penetrated into a seabed by 6m ,the soil inside the sheet piles is excavated by 2m down the bed of k=2x10°m/s and ysat=20 kN/m', the Sheet piling Sheet piling 2.50 m average 2.00 m 0.90m Datum 5.5m water level is fixed with excavation level 6.00 m by pumping. The requirements are to find the rate of flow of water and u at point P. Answers: q =4.666 m/ day, u = 47.53 kN/m? 2.25 m O_1 2 3 4 5 10 m
Given the following end areas for cut and fill, complete the earthwork calculation using a shrinkage of 10% and free haul Distance (F.H.D.) = 200m. Then draw the mass haul diagram and the longitudinal .profile of the earthworks. Find the total cost of the earthworks borrow = 300O ID/m3, cost of Given that: Cost of overhaul = 1000 ID/m³.station , cost of waste = 5000 ID/m3 and cost of free haul = 6000 ID/m3 11+00 10+00 9+00 8+00 7+00 6+00 5+00 4+00 3+00 2+00 1+00 0+00 Station 16 12 14 16 14 12 10 cut Area(m2) --- 8. 12 14 16 10 |fill