Two-Way Radio User Manual

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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 th e
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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 ABAQ US Analysis User ’s Manual
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CONCRETE
• *
FAILURE RAT IOS
Optional parameter:
DEPENDENCIES
Set this parameter eq ual to the number of field variable dependencies included in the definition
of shear retention behavior, in addition to temperature. If this parameter is omitted, 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 ABAQUS Analysis User’s
Manual, for more information.
Data lines to define the shear retention behavior:
First line:
1. . The default is 1.0.
2.
. The default is a very large numbe r (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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