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A diaphragm wall is a reinforced concrete wall, constructed using a narrow trench excavated on the ground and supported by an engineered fluid until the mud is replaced by the permanent material.


  • Construction of the guide wall

  • Excavation to form the diaphragm wall trench

  • Supporting the trench cutting using bentonite slurry

  • Inert reinforcement and placing of concrete to form the wall panel.


  • Can be used as permanent structural wall

  • It is water retaining

  • Can be installed to deeper depth and for low bearing element

  • Less temporary propping needed

  • Can be applied for top-down construction method.

  • It forms a rigid structure so that ground movement induced by basement excavation is less than other flexible retaining wall

  • Vibration and noise generated from installation of diaphragm wall is less





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