TDConcreteMC10NL ^^^^^^^^^^^^^^^^ This command is used to construct a uniaxial time-dependent concrete material object with non-linear behavior in compression (REF: Concrete02), nonlinear behavior in tension (REF: Tamai et al., 1988) and creep and shrinkage according to fib Model Code 2010. .. function:: uniaxialMaterial TDConcreteMC10NL $matTag $fc $fcu $epscu $fct $Ec $Ecm $beta $tD $epsba $epsbb $epsda $epsdb $phiba $phibb $phida $phidb $tcast $cem .. csv-table:: :header: "Argument", "Type", "Description" :widths: 6, 4, 40 "``$matTag``", integer, "integer tag identifying material" "``$fc``", float, "concrete compressive strength (compression is negative)" "``$fcu``", float, "concrete crushing strength (compression is negative)" "``$epscu``", float, "concrete strain at crushing strength (input as negative)" "``$fct``", float, "concrete tensile strength (tension is positive)" "``$Ec``", float, "concrete modulus of elasticity at loading age" "``$Ecm``", float, "concrete modulus of elasticity at 28 days" "``$beta``", float, "tension softening parameter (tension softening exponent)" "``$tD``", float, "analysis time at initiation of drying (in days)" "``$epsba``", float, "ultimate basic shrinkage strain (input as negative) as per fib Model Code 2010" "``$epsbb``", float, "fitting parameter of the basic shrinkage time evolution function as per fib Model Code 2010" "``$epsda``", float, "product of ultimate drying shrinkage strain and relative humidity function as per fib Model Code 2010" "``$epsdb``", float, "fitting parameter of the basic shrinkage time evolution function as per fib Model Code 2010" "``$phiba``", float, "parameter for the effect of compressive strength on basic creep as per fib Model Code 2010" "``$phibb``", float, "fitting parameter of the basic creep time evolution function as per fib Model Code 2010" "``$phida``", float, "product of the effect of compressive strength and relative humidity on drying creep as per fib Model Code 2010" "``$phidb``", float, "fitting parameter of the drying creep time evolution function as per fib Model Code 2010" "``$tcast``", float, "analysis time corresponding to concrete casting (in days; minimum value 2.0)" "``$cem``", float, "coefficient dependent on the type of cement as per fib Model Code 2010" .. note:: #. Compressive concrete parameters should be input as negative values (if input as positive, they will be converted to negative internally). #. Shrinkage concrete parameters should be input as negative values (if input as positive, they will be converted to negative internally). .. seealso:: `Detailed descriptions of the model and its implementation can be found in the following:` `(1) Knaack, A.M., Kurama, Y.C. 2018. Modeling Time-Dependent Deformations: Application for Reinforced Concrete Beams with Recycled Concrete Aggregates. ACI Structural J. 115, 175-190. doi:10.14359/51701153` `(2) Knaack, A.M., 2013. Sustainable concrete structures using recycled concrete aggregate: short-term and long-term behavior considering material variability. PhD Dissertation, Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, Indiana, USA, 680 pp` `A manual describing the use of the model and sample files can be found at:` ``_