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SHEAR RETENTION
18.12
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SHEAR RETENTION: Define the reduction of the shear modulus associated with
crack surfaces in a
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CONCRETE model as a function of the tensile strain across the
crack.
This option is used to give a multiplying factor, , that defines the modulus for shearing of cracks as a
fraction of the elastic shear m odulus of the uncracked concrete. If this option is used, it should follow
the
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CONCRETE option. The
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SHEAR RETENTION option can also be used in conjunction with the
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FAILURE RATIOS option.
Product: ABAQUS/Standard
Type: Model data
Level: Model
References:
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“Concrete smeared cracking,” Section 18.5.1 of the ABAQUS Analysis User’s Manual
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CONCRETE
• *
FAILURE RATIOS
Optional parameter:
DEPENDENCIES
Set this parameter equal to the number of field variable d ependencies included in the definition
of shear retention behavior, in addition to temperature. If this parameter is om itted, it is assumed
that the shear retention behavior depends only on temperature. See “Specifying field variable
dependence” in “Material data definition,” Section 16.1.2 of the A BAQ US Analysis User ’s
Manual, for more information.
Data lines to define th e shear retent ion behavior:
First line:
1. . The default is 1.0.
2.
. The default is a very large number (full shear retention).
3. Not used.
4. Not used.
5. Temperature.
6. First field variable.
18.12–1
ABAQUS Version 6.1 Module:
ID:
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