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A circular footing of diameter 3m is founded on at a depth of 2m on drained soil and the groundwater table is 1m below the footing consider Terzaghis bearing capacity factor in Nq = 33 and NY = 34. The properties of soil are c' = 0 Neglecting the effect of shape factor the net safe load in kN that can be carried by footing will be ___ (rounded to the nearest integer). Consider factor of safety = 3 , Yd =16 kN/m3 Ysat = 20 kN/m3 ,g = 10 m/s2
  • a)
    3702
  • b)
    3706
Correct answer is between '3702,3706'. Can you explain this answer?
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To calculate the net safe load that a circular footing can carry, we need to consider the bearing capacity factors and the properties of the soil.

Given data:
- Diameter of the footing (D) = 3m
- Depth of the footing (H) = 2m
- Depth of groundwater table (GW) = 1m
- Bearing capacity factor Nq = 33
- Bearing capacity factor Ny = 34
- Cohesion of the soil (c') = 0
- Unit weight of dry soil (Yd) = 16 kN/m³
- Unit weight of saturated soil (Ysat) = 20 kN/m³
- Acceleration due to gravity (g) = 10 m/s²
- Factor of safety (FS) = 3

1. Ultimate Bearing Capacity (qult):
The ultimate bearing capacity (qult) can be calculated using the formula:
qult = Nq * c' + 0.5 * Yd * D * Nc + Yd * H * Nq

Here, Nc is the bearing capacity factor related to cohesion, which is not given in the question. Since the cohesion (c') is given as 0, we can consider Nc as 5.7.

Substituting the values, we get:
qult = 33 * 0 + 0.5 * 16 * 3 * 5.7 + 16 * 2 * 33
qult = 24.84 + 1056
qult = 1080.84 kN/m²

2. Net Safe Load (qnet):
The net safe load (qnet) is the ultimate bearing capacity divided by the factor of safety (FS).
qnet = qult / FS

Substituting the values, we get:
qnet = 1080.84 / 3
qnet ≈ 360.28 kN/m²

3. Total Safe Load (Qnet):
The total safe load (Qnet) that the footing can carry is given by:
Qnet = qnet * D²

Substituting the values, we get:
Qnet = 360.28 * 3²
Qnet ≈ 3252.52 kN (rounded to the nearest integer)

Therefore, the net safe load that can be carried by the circular footing is approximately 3253 kN.
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A circular footing of diameter 3m is founded on at a depth of 2m on drained soil and the groundwater table is 1m below the footing consider Terzaghis bearing capacity factor in Nq = 33 and NY = 34. The properties of soil are c' = 0 Neglecting the effect of shape factor the net safe load in kN that can be carried by footing will be ___ (rounded to the nearest integer). Consider factor of safety = 3 , Yd =16 kN/m3 Ysat = 20 kN/m3 ,g = 10 m/s2a)3702b)3706Correct answer is between '3702,3706'. Can you explain this answer?
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A circular footing of diameter 3m is founded on at a depth of 2m on drained soil and the groundwater table is 1m below the footing consider Terzaghis bearing capacity factor in Nq = 33 and NY = 34. The properties of soil are c' = 0 Neglecting the effect of shape factor the net safe load in kN that can be carried by footing will be ___ (rounded to the nearest integer). Consider factor of safety = 3 , Yd =16 kN/m3 Ysat = 20 kN/m3 ,g = 10 m/s2a)3702b)3706Correct answer is between '3702,3706'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A circular footing of diameter 3m is founded on at a depth of 2m on drained soil and the groundwater table is 1m below the footing consider Terzaghis bearing capacity factor in Nq = 33 and NY = 34. The properties of soil are c' = 0 Neglecting the effect of shape factor the net safe load in kN that can be carried by footing will be ___ (rounded to the nearest integer). Consider factor of safety = 3 , Yd =16 kN/m3 Ysat = 20 kN/m3 ,g = 10 m/s2a)3702b)3706Correct answer is between '3702,3706'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A circular footing of diameter 3m is founded on at a depth of 2m on drained soil and the groundwater table is 1m below the footing consider Terzaghis bearing capacity factor in Nq = 33 and NY = 34. The properties of soil are c' = 0 Neglecting the effect of shape factor the net safe load in kN that can be carried by footing will be ___ (rounded to the nearest integer). Consider factor of safety = 3 , Yd =16 kN/m3 Ysat = 20 kN/m3 ,g = 10 m/s2a)3702b)3706Correct answer is between '3702,3706'. Can you explain this answer?.
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