15 September 2020
September Webinar: Early Age Cracking
Join DRP, a Twining Company, for a free webinar on recognizing and understanding early age cracking mechanisms. Early age cracking occurs at the intersection between... Read More
15 July 2020
July Webinar: Alkali-Silica Reaction -Diagnosis and Prognosis
Join DRP for a free webinar on using petrography for diagnosis and prognosis of structures affected by alkali-silica reaction (ASR). ASR is a serious concrete... Read More
24 January 2020
We look back at 2019 – a year in review
As DRP closes out the first month of the new year, we’ve looked back at 2019 to take stock of notable achievements, pat ourselves on... Read More
18 September 2019
DRP On the Move!
DRP has a new home. As of October 25, our move into a new office at at 2800 Wilderness Place, Suites A & B, Boulder,... Read More
16 September 2019
Fluorescence Microscopy: A Song of Ice and Light
DRP emerges from a polar vortex with fluorescence microscopy techniques firmly in hand In the Spring of 2018, DRP added fluorescence microscopy to our quiver of... Read More
27 August 2019
DRP is now a USACE certified laboratory
DRP, a Twining Company, received notice this week from the U.S. Army Corps of Engineers’ (USACE) Materials Testing Center (MTC) and Engineer Research and Development... Read More
10 June 2019
Managing Structures Affected by Delayed Ettringite Formation and Alkali-Silica Reaction
Delayed Ettringite Formation (DEF) and Alkali-Silica Reaction (ASR) are significant durability issues that can lead to cracking that reduces the service life of concrete structures.... Read More
15 February 2017
DRP, a Twining Company
We are excited to announce that DRP Consulting, Inc. was acquired by Twining, Inc. The new company is TI DRP, LLC, doing business as DRP,... Read More
10 January 2017
Concrete Petrography Talks in 2017
With the passage of 2016 we look forward to another great year in 2017. In the coming weeks we will put up some posts discussing... Read More
20 June 2016
Concrete Petrography Spans the Globe!
We were thrilled when the preeminent Russian Journal Cement invited David to publish a paper on concrete petrography. Troubleshooting Concrete Construction with Petrography and... Read More