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The Metrology of Additive Construction by Extrusion (MACE) consortium will meet to discuss progress toward advancing the measurement science of concrete additive manufacturing.

Goal: Review ongoing research related to the measurement science of concrete additive manufacturing and set the agenda and vision for the consortium for the following year.

Who should attend?  Industry, academia, and government representatives with an interest in discussing the challenges in bringing concrete additive manufacturing to commercialization.

Agenda (PDF)

9:00 am to 4:00 pm

9:00 am Welcome
9:15 am Consortium Status Update Scott Jones
9:45 am 

  • Overview of NIST’s Research 
  • Scott Jones - Additive Construction by Extrusion 
  • Nick Martys - Concrete Flow Simulations

10:45 am

  • Research Updates
  • Abhay Goyal - Georgetown University
  • Alexsandra Radlinska and Nate Watson- Pennsylvania State University

11:45 am Lunch
1:00 pm Tour of Additive Construction by Extrusion Laboratory
2:30 pm Open Discussion of Consortium organization
4:00 pm Closing

Contact Scott Jones (scott.jones [at] (scott[dot]jones[at]nist[dot]gov)) with questions.


Doubletree  Hilton-Gaithersburg

Sept. 19-21, 2019

The hotel will provide a complimentary shuttle to and from NIST. 

Book Now>> from $119/night.

If you are not registered, you will not be allowed on site.  Registered attendees will receive security and campus instructions prior to the workshop.

NON U.S. CITIZENS PLEASE NOTE:  All foreign national visitors who do not have permanent resident status and who wish to register for the above meeting must supply additional information. Failure to provide this information prior to arrival will results, at a minimum, in significant delays in entering the facility. Authority to gather this information is derived from United States Department of Commerce Department Administrative Order (DAO) number 207-12.

* New Visitor Access Requirement: Effective July 21, 2014, under the REAL ID Act of 2005, agencies, including NIST, can only accept a state-issued driver’s license or identification card from states that are REAL ID compliant or have an extension.  See the Department of Homeland Security (DHS) site for the current compliance list.

NIST currently accepts other forms of federally issued identification in lieu of a state-issued driver’s license, such as a valid passport, passport card, DOD’s Common Access Card (CAC), Veterans ID, Federal Agency HSPD-12 IDs, Military Dependents ID, Transportation Workers Identification Credential (TWIC), and TSA Trusted Traveler ID.

Created August 16, 2019, Updated September 16, 2019