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Typical applications in humanitarian shelter projects

  • As non-loadbearing infill between reinforced concrete columns and beams (frames). Often in humanitarian projects in the Philippines, CHBs are installed between reinforced concrete columns up to the window sill level, then lightweight walling materials such as timber framing cladded with amakan, plywood or bamboo are installed above (Figure 1).
  • As loadbearing infill between reinforced concrete columns and beams in confined masonry buildings. The CHBs are reinforced with vertical and horizontal steel bars connected to the reinforced concrete columns and beams, increasing their resistance to lateral loads.
  • As load bearing reinforced CHB in reinforced masonry buildings. The CHBs are reinforced with vertical and horizontal steel bars increasing their resistance to lateral loads.

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Figure 1: Concrete blocks have been installed between the reinforced concrete columns, up to the level of the window sill of this core shelter in Tabontabon, Leyte. Credit: Philippines Red Cross Haiyan Shelter Programme (Photo W. Eastwood)