A rectangular foundation of plan size 5 (B) × 10 (L) m is to be designed to carry a load of 86.6 MN (0.6 Gk+ 0.4 Qk) in fully drained conditions in the following soil: Ck' = 5kPa: k' = 38°; Ydry = 20 kN/m³; Ysat = 22 kN/m³; Y conc = 25 kN/m³ a. Determine a suitable founding depth (equal to the foundation thickness), assuming the groundwater table is well below the foundation level. b. What if the groundwater level is getting rise? Determine design bearing resistances using the determined foundation depth from the above question. up to the underside of the footing (foundation level) up to the ground surface. (i) (ii)
A rectangular foundation of plan size 5 (B) × 10 (L) m is to be designed to carry a load of 86.6 MN (0.6 Gk+ 0.4 Qk) in fully drained conditions in the following soil: Ck' = 5kPa: k' = 38°; Ydry = 20 kN/m³; Ysat = 22 kN/m³; Y conc = 25 kN/m³ a. Determine a suitable founding depth (equal to the foundation thickness), assuming the groundwater table is well below the foundation level. b. What if the groundwater level is getting rise? Determine design bearing resistances using the determined foundation depth from the above question. up to the underside of the footing (foundation level) up to the ground surface. (i) (ii)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Solving using Eurocode 7, design approach 1, combination 2
Transcribed Image Text:A rectangular foundation of plan size 5 (B) × 10 (L) m is to be designed to carry a
load of 86.6 MN (0.6 Gk + 0.4 Qk) in fully drained conditions in the following soil:
Ck' = 5kPa; Ok' = 38°; Ydry 20 kN/m³;
Ysat =
22 kN/m³; Y conc= 25 kN/m³
a. Determine a suitable founding depth (equal to the foundation thickness),
assuming the groundwater table is well below the foundation level.
b. What if the groundwater level is getting rise? Determine design bearing
resistances using the determined foundation depth from the above question.
(i) up to the underside of the footing (foundation level)
(ii)
up to the ground surface.
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