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Consider the following statements: 1. According to Terzaghi’s, a foundation is shallow if its depth is equal to or less than its width. 2. Spread footing, strap footing and raft footing are types of shallow foundations. 3. Combined footing may be trapezoidal if the two columns carry unequal loads; and rectangular if both columns carry equal loads. 4. For water tanks, providing raft foundations will avoid unequal settlements. Which of the above statements are correct?
The gross bearing capacity of a footing is 450 kN/m2. If the footing is 1.5 in wide and is at a depth of 1 m in a clayey soil which has a unit weight of 20 kN/m3, then the net bearing capacity is
Consider the following two statements regarding Bearing stiffeners provided at the location of a concentrated load: 1. Bearing stiffeners have to resist bearing and buckling loads. 2. Bearing area and the area resisting buckling load are the same. Which of the above statements is/are correct ?
Match the conditions under which the given type of footing is used:  a. Combined footing  I. For two or more columns  b. Mat foundation  II. For isolated or group of  columns  c. Pile foundation  III. For individual column  d. Isolated footing  IV. For supporting all  columns of structure
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is
The plan view at just below window-sill level, but not showing door openings - is shown - of an outpost building of, say, the Forest Department. Section AA extending just a little above ground level GL and fully below ground level is shown. The wall and first footing are of random-rubble masonry in cement mortar, and the lowest part of the foundation is of mass rubble in cement mortar. The total volume of the 40 cm deep footing for the whole building is, nearly
In stone composite masonry, ashlar masonry is used in backing of the wall while rubble masonry is used in the facing.
If the wall or column under construction is near some other property, it will not be possible to spread the footing to both the sides of War or column. In search case which footing is used?
Consider the following statement: 1. Initial load tests and routine load tests are carried out on test piles and working Piles, respectively. 2. In a pile load test, the allowable load can be taken equal to half the ultimate load at which the total settlement amounts to one-tenth of the pile diameter. 3. In a pile load test, the allowable load can be taken equal to two-thirds of the total toad which causes a plastic settlement of 6 mm. Which of the above statements are correct?
__________ masonry occupies an intermediate position between rubble masonry and ashlar masonry.