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Differences Between Open Caissons and Pneumatic Caissons

Posted on 20th April 202014th September 2023 By Malay Sautya

Differences Between Open Caissons and Pneumatic Caissons

Differences between well or open caissons and pneumatic caissons are as follows:

1. Structure

➤ Open caissons are box-type structures having their top and bottom open.

➤ Pneumatic caisson consists of an enclosure open at the bottom and closed at the top.

2. Cost

➤ Open caissons are relatively cheaper than pneumatic caissons.

➤ Pneumatic caissons are relatively costlier due to the use of compressed air in the working chamber.

3. Inspection

➤ Inspection and cleaning process at the bottom of the caisson can not be carried out in case of open caissons.

➤ But in the case of pneumatic caissons cleaning and testing process can be easily carried out, as the working chamber is dry.

4. If boulders are faced during construction

➤ The construction process will be slow and difficult if the boulder met during construction.

➤ No problem arises in the case of Pneumatic Caissons.

Read More:

Box Caissons

Use of Cofferdams

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Contents

  • 1 Differences Between Open Caissons and Pneumatic Caissons
    • 1.1 1. Structure
    • 1.2 2. Cost
    • 1.3 3. Inspection
    • 1.4 4. If boulders are faced during construction
    • 1.5 Share this:
    • 1.6 Related
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