GeoHarbour Middle East

Diaphragm Wall shoring

 A diaphragm wall shoring system is a heavy-duty shoring system applicable for the protection of the most sensitive structures with very low tolerance for lateral movement. These structures, therefore, are highly strain controlled bearing heavy stresses and loads from the lateral earth movement. This is only possible with the wall as a reinforced concrete wall for restraint against the lateral pressures. The design of this reinforced wall is based on the tolerance for the lateral movement, the depth of the lateral restraint required and the ground conditions. These structures are getting much visibility these days due to the massive underground ongoing constructions in the region, particularly the Middle East.

Process

The construction of diaphragm walls involves involvement of heavy machinery for the excavation for the wall construction. This excavation is undertaken by the specialized ground cutters extracting cutting with the mud flow. After the excavation has been completed to the design depth and lateral limits, a heavy steel cage is lowered into the ground. Following lowering of the steel cage, concreting is carried out. After achieving of the required concrete strength, excavations are undertaken for the underground constructions.

Common Uses:

  • Protection of existing structures
  • Lateral support system for earth as well as ground water.
  • Construction of basements, metro stations
  • Ground water cut-off
  • Deep shafts

Advantages

  • Deep excavations
  • Construction in hard strata
  • Protection of sensitive surrounding buildings
  • Low lateral movement
  • Stops of inflow of ground water into the excavation zones

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