The Adalaj Stepwell (Adalaj ni Vav) is famous for its unique structural and functional planning, which ensures that 1. The temperature inside the well is about 6 degrees cooler than the outside. 2. It features an octagonal opening at the top to allow for light and ventilation. 3. The structure is built with a deep foundation of well-caissons. Which of the statements given above is/are correct?
- A1 only
- B1 and 2 onlyCorrect
- C2 and 3 only
- D1, 2 and 3
Solution
Concept
Adalaj Stepwell Architecture and Design
Formula
N/A
Step-by-step solution
1. Review the given statements regarding the Adalaj Stepwell's features. 2. Identify that statements 1 and 2 are correct while statement 3 is incorrect as traditional stone construction was used instead of well-caissons. 3. Select Option (b) as the correct choice.
Explanation
Option (b) is correct because:1. Statement 1 is correct: The subterranean design acts as a natural air cooler, keeping the temperature inside about 5 to 6 degrees cooler than outside. 2. Statement 2 is correct: The vertical octagonal shaft allows light and air to reach all five levels while sheltering the interior from direct heat. 3. Statement 3 is incorrect: The stepwell was built using traditional trabeate (post-and-beam) sandstone construction rather than modern well-caissons.
Shortcut
To remember key facts about Adalaj Stepwell, use the memory rule "6-Octagon-Stone": - 6 Degrees Cooler: Natural subterranean air cooling keeps it 5-6°C cooler than outside. - Octagonal Shaft: Top opening is octagonal to allow light and air to circulate across levels. - Stone Masonry (NOT Caissons): Constructed using traditional trabeate sandstone masonry, not modern well-caissons.
Common mistake
A common mistake is selecting Option D by assuming that because stepwells extend deep underground, modern hydraulic foundation techniques like well-caissons were used. In reality, the Adalaj Stepwell was constructed using traditional trabeate (post-and-beam) sandstone masonry. Another common mistake is selecting Option A by assuming the octagonal plan is purely aesthetic rather than a functional design feature for light and air circulation.
Correct answer: B) 1 and 2 only