Building materials

News

Steel-Reinforced Concrete Building with Severe Corrosion Damage

Move Over, Superman! NIST 'Spectral Fingerprinting' Sees Through Concrete to Detect Early Corrosion

April 26, 2017

When you suffer a fall, an on-the-field collision or some other traumatic blow, the first thing the doctor will do is...

Making Sure that Lumber Measures Up

March 01, 2017

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

Fort Collins, Colorado, Making Community Resilience a Reality Using NIST Guide

July 28, 2016

Guided in part by strategies and procedures developed by the National Institute of Standards and Technology (NIST) for...

Colorado County Adopts NIST Community Resilience Guidelines

June 29, 2016

The Boulder County Collaborative, a partnership of Boulder County, Colorado, communities formed in response to the...

Events

Service Life Prediction of Polymeric Materials: Reaching New Heights

March 18, 2018 to March 24, 2018

This conference will establish the current state of service life prediction methodologies and produce the roadmap for future technical, standards, and...

Publications

Modeling Heat and Moisture Transport in Steam-Cured Mortar: Application to AASHTO Type VI Beams

June 22, 2017

Author(s):

Emilio Hernandez-Bautista, Sadoth Sandoval-Torres, Prisciiano Cano Barrita, Dale P. Bentz

During steam curing of concrete, temperature and moisture gradients are developed, which are difficult to measure experimentally and can adversely affect the...

Influence of Aggregate Characteristics on Concrete Performance

May 16, 2017

Author(s):

Dale P. Bentz, Scott Z. Jones, Paul E. Stutzman, Joshua Arnold, Michael Boisclair, Paul Rothfeld, Jussara Tanesi, Haejin Kim, Jose Munoz, Mengesha Beyene

While the influence of paste properties on concrete performance has been extensively studied and in many cases reduced to quantitative relationships, that...

Assessing Ash Quality and Performance

May 03, 2017

Author(s):

Larry Sutter, Dale P. Bentz

This chapter reviews ash quality and performance issues, with special emphasis on air entrainment and early-age performance. Recent developments in testing...

Low Temperature Curing Strength Enhancement in Cement-Based Materials Containing Limestone Powder

May 01, 2017

Author(s):

Dale P. Bentz, Paul E. Stutzman, Franco Zunino

The incorporation of limestone powder in cementitious binders for concrete in the U.S. has become a subject of renewed interest, in part due to the ongoing...

Projects & Programs

Quantification of Material, Loading, and Modeling Uncertainties of Reinforced Concrete Columns and Steel Beam-Columns under Seismic and Gravity Loads for Use in PBSE

Performance-Based Earthquake Engineering (PBEE) has provided a probabilistic framework to predict the response of the structural systems by incorporating the...

Seismic Performance of Wind Load-Controlled Steel Buildings in the Central and Eastern United States

This project will investigate the consequences of wind-controlled design on the seismic performance of steel buildings in the central and eastern United States...

Measurement Science to Assure the Performance of Innovative Concretes

The concrete industry has developed strategies for making innovative concrete, which is defined as a sustainable concrete that uses less resources for...

Advanced Sensing Systems for Building Energy Monitoring

Advances in sensing technologies through miniaturization of sensors, wireless communications, and the integration of sensors with microprocessing capabilities...

Software

Prediction of a Chloride Ion Penetration Profile for a Concrete

Prediction is based on a one-dimensional finite difference solution of Fick's second law of diffusion, with a variable external chloride concentration and a...

MicroChar

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

Chloride-Exposed Steel-Reinforced Concrete Service Life Prediction Program

(Return to Cement Hydration and Degradation Modeling Software) In the last decade or so, numerous advances have occurred in the field of information technology...

HCSSMODEL Software

(Return to Cement Hydration and Degradation Modeling Software) A package of computer programs for simulating the microstructure of a three-dimensional cubic...

Tools & Instruments

Integrating Sphere-based Weathering Device

In the artificial ultraviolet (UV) weathering of materials, a need exists for weathering devices that can uniformly illuminate test specimens with a high level...

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...