Gunite or Shotcrete refers to concrete produced by the projection of wet sand and cement mixture onto an area, by means of pressure applied through a continuously feeding pressure vessel.
Using guniting, concrete can be applied on irregular, vertical and overhead surfaces. This application is used commonly to protect slopes from erosion, as well as structures of large areas or uneven surfaces.
GUNITING OF A DIAPHRAGM WALL AT BASEMENT CARPARK
| Pouring of mixed guniting material (weight ratio dependent on client’s requirements) into the guniting pump. |
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Spraying of guniting material onto the wall at a pressure of 3 bar. |
| Our shotcrete team utilises an internal drainage system by installing Delta-MS onto the wall, followed by the installation of BRC mesh onto its surface. Guniting works is then done on the Delta-MS. |
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Source: http://www.unifor.com.sg