A4-ft-wide long footing is located at the top of a slope whose inclination is 30°. The soil of the hill is sand with an assumed angle of internal friction of 30°. If the D/B ratio is 1 and the b/B ratio is also 1, what loading can be imposed on the footing per foot of length? Use a factor of safety of 3.

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Q: carry using factor of sa

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Q: 17 - A 4 m wide strip footing is founded in sand at a depth of 1.5 m below the ground surface Using…

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Load and resistance factor design

Load and resistance factors design (LRFD), also known as Limit state design (LSD), refers to the design method used in building engineering. A boundary condition is a condition of a structure where it can no longer meet the relevant design requirements. The condition may refer to the load level or other actions on the structure, while the terms refer to the integrity of the structure, suitability for use, durability, or other design requirements. A structure designed for LRFD is limited to keeping track of all possible actions during its design time and is always ready for use, with the appropriate level of reliability in each boundary condition. LRFD-based construction codes clearly define the appropriate levels of reliability in their instructions.