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Failure of a Section of a Building

In a given section the program determines the following variables:

  • maximum tensile strain
  • maximum gradient
  • maximum relative deflection
  • relative gradient between input points of a building

Evaluation of the analyzed section is left to the user - the following tables list the recommended ultimate values of relative rotation and deflection.

Type of structure

Type of damage

Ultimate relative gradient

Skempton

Meyerhof

Polshin a Tokar

Bjerrum

ÈSN          73 1001

Frame structures and reinforced bearing walls

Structural

1/150

1/250

1/200

1/150

Cracks in walls

1/300

1/500

1/500

1/500

1/500

Type of structure

Type of damage

Ultimate relative deflection Δ/l

Burland and Wroth

Meyerhof

Polshin a Tokar

ÈSN          73 1001

Unreinforced bearing walls

Cracks in walls

For L/H = 1 - 0.0004

For L/H = 5 - 0.0008

0.0004

0.0004

0.0015

Cracks in bearing structures.

For L/H = 1 - 0.0002

For L/H = 5 - 0.0004

-

-

-