Peter Roberts's Public Library

Majority of damaged or collapsed structures
were 4-8 story reinforced concrete buildings

The following can be cited as the technical causes of the observed
building damages or collapses:

• Poor concrete quality
• Poor detailing of the reinforcement ( lack of concrete confinement in
  the columns and at the beam-column joints, inadequate splice length)
• Weak/soft story (Open space at the first floors)
• Structural alterations (added floor)
• Long cantilevers with heavy load
• Improper construction site

jority of damaged or collapsed structures
were 4-8 story reinforced concrete buildings

The following can be cited as the technical causes of the observed
building damages or collapses:

• Poor concrete quality
• Poor detailing of the reinforcement ( lack of concrete confinement in
  the columns and at the beam-column joints, inadequate splice length)
• Weak/soft story (Open space at the first floors)
• Structural alterations (added floor)
• Long cantilevers with heavy load