Bissoy.com
Doctors Medicines MCQs Q&A

Based on punching shear consideration, the overall depth of a combined footing under a column A, is

Based on punching shear consideration, the overall depth of a combined footing under a column A, is Correct Answer $$\frac{{{\text{Perimeter of column A}} \times {\text{Safe punching stress}}}}{{{\text{Load on column A}} + {\text{Upward pressure}} \times {\text{Area of column}}}}$$

Related Questions

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
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?
Match the following in Column X with Column Y: Column X Column Y  P. In a triaxial compression test, with increase of axial strain in loose sand under drained shear condition, the volumetric strain  I. decreases  Q. In a triaxial compression test, with increase of axial strain in loose sand under undrained shear condition, the excess pore water pressure  II. Increase  R. In a triaxial compression test, the pore pressure parameter “B” for a saturated soil  III. remains same  S. For shallow strip footing in pure saturated clay, Terzaghi’s bearing capacity factor (Nq) due to surcharge  IV. is always 0.0.      V. is always 1.0.      VI. is always 0.5. Which one of the following combinations is correct?
The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is
The depth of footing for an isolated column is governed by
i) maximum bending moment
ii) shear force
iii) punching shear
The correct answer is
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
Consider the following Column A and Column B in which the names of microorganisms are given in Column A and the groups to which they belong are given in Column B: Column A Column B (a) Aspergillus (i) Algae (b) Lactobacillus (ii) Bacteria (c) Paramecium (iii) Fungi (d) Spirogyra (iv) Protozoa   (v) Virus The correct match of the items of Column A with that of Column B is
Consider the following statements for Euler’s equation to find the critical load of a column : 1. Critical load of a column is proportional to the flexural rigidity. 2. Critical load of a column depends upon yield stress. 3. Critical load of a column is inversely proportional to the length of the column. 4. Critical load of a column is inversely proportional to the square of the length of the column. Which of the above statements are correct?
In the following question, two columns are given containing three phrases each. In the first column, phrases are A, B, and C and in the second column, the phrases are D, E and F. A phrase from the first column may or may not connect with a phrase from the second column to make a grammatically and contextually correct sentence. There are five options, four of which display the sequence(s) in which the phrases can be joined to form a grammatically and contextually correct sentence. If, none of the options given forms a correct sentence after combination, select 'None of these' as your answer. Column(1) Column(2) (A) Digital photographs are typically created solely by  (D) a certain type of behavioural restraint that has resulted in the establishment of regional peace or economic. (B)Throughout history leaders have used diplomacy to establish  (E) stimulate the economy. (C) Several academics have favoured more public spending on social welfare and infrastructure to  (F) computer-based photoelectric and mechanical techniques, without wet bath chemical processing.
In the following question, two columns are given containing three phrases each. In the first column, phrases are A, B, and C and in the second column, the phrases are D, E and F. A phrase from the first column may or may not connect with a phrase from the second column to make a grammatically and contextually correct sentence. There are five options, four of which display the sequence(s) in which the phrases can be joined to form a grammatically and contextually correct sentence. If, none of the options given forms a correct sentence after combination, select 'None of these' as your answer. Column (1) Column (2) (A) An important point that the Survey makes is that of the Indian economy (D) based on naturally occurring biological processes. (B) Tree Plantation drives combat many environmental issues like deforestation, erosion of soil, desertification in semi-arid areas, global warming and hence (E)recovering during the second half of this year. (C) Organic farming methods combine scientific knowledge of ecology and some modern technology with traditional farming practices (F) enhancing the balance of the environment.