The load from a continuous footing of width 2m, which may be considered to be strip load of considerable length, is 200kN. Determine the maximum principal stress at 1.5m depth below the footing, if the point lies (i) directly below the centre of the footing (ii) directly below the edge of the footing and (iii) 0.8m away from the edge of the foo

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Q: A 24 in square concrete column carries a factored compressive load of 900 k and a factoredshear load…

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Q: Define the Contact Pressure in Spread Footings with Eccentric Loading

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Q: A foundation carries uniform loads as shown. Determine the value of w (in kN/m). 70 kNm 4m

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Q: 1. A square footing 1.6m x 1.6m having a thickness of 500 mm supports an interior 400 mmx400 mm…

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Q: Q2: For the following spread footing, calculated the width of the footing if the footing length is…

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Q: What is the ratio of the Demand Shear Force and the Capacity in Two Way Shear? (Vu/phiVn)

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Q: What is the effective wall load on the strip footings in kN/m? You may assume that the the loads on…

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Q: Investigate the maximum live load that can be carried by the footing with a footing dimension of…

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Q: Imagine the eccentricity is more than the allowable eccentricity (e₁>) in a rectangular footing with…

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Q: Jf g is the punching shear resistance per unit area a, is the side of a square footing for a column…

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Q: • Determine the bearing stress (in ksi) between the steel base plate and the concrete footing. Do…

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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.