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  1. Contraction joints
  2. Construction joints
  3. Expansion joints
  4. Vertical cut
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1 Answers

Option 3 : Expansion joints

Types of joints

Contraction joint: Contraction joints are provided along the transverse direction to take care of the contraction of concrete slab due to its natural shrinkage.

Construction joint: Construction joints are provided whenever the construction work stops temporarily. The joint direction could be either along the transverse or longitudinal direction.

Expansion joint: Expansion joints are provided along the transverse direction to allow movement (expansion/ contraction) of the concrete slab due to temperature and subgrade moisture variation. They are provided when there is abrupt change in dimensions, shape etc. occurs.

Warping joint: Warping joints are provided along the longitudinal direction to prevent warping of the concrete slab due to temperature and subgrade moisture variation.
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Related Questions

In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the suggested course of action logically follow (s) for pursuing. Statement: The Centre on Wednesday approved construction of nearly 6.28 lakh more affordable houses for urban poor in eleven states under the Pradhan Mantri Awas Yojna, with Uttar Pradesh getting the largest share of over 2.34 lakh housing units. In a statement, the Housing and Urban Affairs Ministry said that considering the extraordinary situation due to the recent heavy floods in Kerala, it has decided to release Rs 486.87 crore for first and second instalments together to the state by relaxing norm in the sanctioned projects under PMAY(U). Courses of action: I. The government is targeting one crore houses to be constructed in urban areas across the country under under PMAY (U) over a period of seven years from 2015 to 2022.  II. Last month, the committee also sanctioned construction of 1.12 lakh affordable houses for the poor in eight states.  III. With the sanction for the construction of 6,28,488 housing units, the total number of houses being funded under the PMAY (Urban) stands at 60,28,628 across the country so far.?
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