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Syntax
EARTHQUAKE arg1 arg2 arg3
Description
The response spectrum is generally a functional relationship, which can be mapped as a table in Allplan Bridge. Any spectra can be defined with such an input. In addition, Allplan Bridge allows the use of some special spectra defined by a few inputs. The resulting spectrum is then created automatically.
Arguments
Minimum quantity: 3(1)
arg1
Value |
Dimension |
Meaning |
name |
TEXT |
Name of the earthquake event |
END |
KEYWORD |
Scope will be closed. |
arg2 (arg1 != END)
Value |
Dimension |
Meaning |
GENERAL |
KEYWORD |
General earthquake event with user defined spectrum |
ECHORIZ |
KEYWORD |
Horizontal behavior of an earthquake event according to Euronorm |
ECVERT |
KEYWORD |
Vertical behavior of an earthquake event according to Euronorm |
arg3 (arg1 = END)
Value |
Dimension |
Meaning |
BEGIN |
KEYWORD |
Scope will be opened (arg2 != BEGIN) |
Scopes
DYNAMICS
Examples
EARTHQUAKE "Earthquake1" GENERAL BEGIN
TEXT "My earthquake event"
SPECTRUM TABLE "spectrum"
SPECTRUM ABSCISSA OMEGA
SPECTRUM ORDINATE DIS
DURATION 20.00
GROUNDACC 1.00
DAMPING CONSTANT 5.00
SUPRULE CQC
EARTHQUAKE END
General earthquake event is defined and other calculation parameters are set. The spectrum is defined in the form of a displacement-omega table.
EARTHQUAKE "EQ-EC horizontal" ECHORIZ BEGIN
SPECTRUM TABLE "Spectrum_1"
PARAM TYPE 1
PARAM GROUNDTYPE C
PARAM S 1.15
PARAM TB 0.20
PARAM TC 0.60
PARAM TD 2.00
PARAM Q 1.50
PARAM BETA 0.20
DURATION 60.00
GROUNDACC 2.50
DAMPING CONSTANT 5.00
SUPRULE SRSS
EARTHQUAKE END
Horizontal behavior of an earthquake event according to Euronorm is defined and further calculation parameters are set.
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