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Consider the following statements: 1. Uniform surcharge increases active earth pressure even as it decreases passive resistance. 2. For analysing the conditions at a masonry gravity wall, application of Coulomb's theory of earth Pressure is preferred. 3. Culmann’s method is applicable to a stratified backfill; whereas Poncelet's method is not. Which of the above statements are correct?

Consider the following statements: 1. Uniform surcharge increases active earth pressure even as it decreases passive resistance. 2. For analysing the conditions at a masonry gravity wall, application of Coulomb's theory of earth Pressure is preferred. 3. Culmann’s method is applicable to a stratified backfill; whereas Poncelet's method is not. Which of the above statements are correct? Correct Answer 2 and 3

Statement I – False

Uniform surcharge increases both active and passive pressure

Statement II – True

The Coulomb’s theory is used for walls with inclined backs and irregular backfill. The masonry gravity all generally has inclined back, so it is more preferred.

Statement III – true

Culmann’s method is applicable to a stratified backfill; whereas Poncelet's method is not.

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