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https://www.nist.gov/el/virtual-concrete-dilatometer

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# Virtual Concrete Dilatometer

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The purpose of this form is to estimate the autogenous      deformation of a concrete based on measurements performed on its component      mortar and the application of the equations of Pickett[1].  The user simply      fills in the table below and provides the other necessary inputs such as      volume fraction of coarse aggregate and elastic properties of the concrete      and the coarse aggregate, and the table will be updated with the estimates      for the autogenous deformation of the concrete.

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#### Mixture Proportions and Properties

      Coarse Aggregate Elastic Modulus:  GPa

      Coarse Aggregate Poissons Ratio: 

| Time (h) | Concrete 
modulus (GPa) | Poisson ratio | Mortar 
deformation (uE) | Estimated 
concrete 

deformation (uE) | Computed exponent (Pickett) |
|----------|-------------------------|---------------|--------------------------|----------------------------------------|-----------------------------|
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |
|          |                         |               |                          |                                        |                             |

----

#### Equations of Pickett

----

----

      Questions or comments:

      E-mail: dale.bentz@nist.gov

Buildings and ConstructionBuilding materialsMaterialsConcrete / cement

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