Objective Question
In the design of a masonry retaining wall, the:
In the design of a masonry retaining wall, the:
Resultant load should fall within a distance of one-sixth of base width on either side of its midpoint.
In the design of a masonry retaining wall, the resultant of all vertical and horizontal forces must
lie within the middle-third of the base to prevent tensile stress at the base.
चिनाई की प्रतिधारक दीवार (Masonry Retaining Wall) के अभिकल्पन में सभी ऊर्ध्वाधर एवं क्षैतिज बलों का परिणामी बल
(Resultant Force) आधार के मध्य एक-तिहाई (Middle-Third) भाग के भीतर होना चाहिए, ताकि आधार पर तनन प्रतिबल
(Tensile Stress) उत्पन्न न हो।
मध्य एक-तिहाई नियम (Middle-Third Rule) के अनुसार
According to the middle-third rule:
The maximum and minimum base pressures are:
आधार पर न्यूनतम प्रतिबल शून्य या उससे अधिक रखने के लिए:
Here, W is the total vertical load per unit length of wall.
For no tensile stress to develop:
Therefore,
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