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Building materials

News and Updates

Making Sure that Lumber Measures Up

For some, it is a shocking revelation. But most Americans eventually come to accept the fact that a “two by four” board is actually 1.5 inches by 3.5 inches (38

Events

2021 Disaster Resilience Symposium

Tue, Jul 20 2021, 11:00am - Wed, Jul 21 2021, 3:30pm EDT
The Engineering Laboratory at NIST, Gaithersburg, will be hosting its fourth annual symposium as a virtual only event on

Projects and Programs

Assessing Pyrrhotite in Concrete

Damage to concrete structures in residential and commercial construction in central Connecticut have been attributed to the iron sulfide mineral pyrrhotite

Physical Infrastructure: Connections

Using a complementary approach of experimental measurements and detailed finite element analysis, we will develop more realistic yet computationally efficient

Publications

Software

MicroChar

(Return to Cement Hydration and Degradation Modeling Software) Accurate quantitative data on cement and clinker microstructure images can prove valuable for

4SIGHT

(Return to Cement Hydration and Degradation Modeling Software) The 4SIGHT computer program was written to facilitate concrete performance prediction under

Cement Hydration Modelling

(Return to Cement Hydration and Degradation Modeling Software) The directories to the right contain computer programs for modelling cement hydration and

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional

Line Heat-Source Guarded Hot Plate

The 1-meter guarded hot-plate apparatus measures thermal conductivity of building insulation. This facility provides for absolute measurement of thermal