![[ 4sight Logo ]](logo.gif){kind=logo}
Overview
- The 4SIGHT computer program has been designed to facilitate performance assessment of underground concrete structures.
- 4SIGHT uses a continuum scale transport/reaction model to prediction the dissolution and/or precipitaton of minerals and salts.
- This web application is a graphical front-end to the original command line program. A description of the assumptions, the algorithms, the validation, and the meaning of input variables are discussed in a report published by NIST. Click on NIST-IR 6747 to download the 750 kB PDF document.
- If you agree to the terms of use, you can begin using the 4SIGHT computer program by clicking the button near the bottom of this page.
NIST Privacy Policy:
Users who wish to receive results electronically will be asked to provide a valid email address. This address is stored until the calculation is complete, and is then discarded. Otherwise, 4SIGHT does not save any private information on this or any other server.You may review the NIST Privacy Policy and then use the "BACK" button on the browser to return to this page.
If for some reason you believe that the 4SIGHT program has not adhered to these principles, please notify the NIST Public and Business Affairs Office/Information Coordinator, Privacy Dispute Resolution via the following email address:
webmaster@nist.gov
Disclaimer:
The National Institute of Standards and Technology shall not be liable for any damage that may result from using the 4SIGHT computer program. NIST has made its best efforts to assure that the information provided by 4SIGHT is correct and accurate. However, NIST makes no warranties to this effect.