Located in Boulder, Colorado, we use concrete petrography and other analytical methods to investigate concrete and other cement-based construction materials, natural rock products, and geological resources. With straightforward thinking, meticulous detail and impeccable customer service, we provide our clients the information they need to understand the performance of construction materials.
We know we are part of a team that needs to solve complex problems quickly, reliably, and efficiently. DRP routinely works with engineering firms, general contractors, materials suppliers, concrete and specialty contractors, facility owners and professionals in legal and insurance services. Our expertise in materials allows our clients to focus on what they do best.
Corrosion of steel is a critical durability issue in reinforced concrete. At DRP, A Twining Company, apart from microscopy to diagnosis corrosion related damage, we can also measure the chloride content and formation factor of the concrete, which provides reliable and affordable service life...
DRP is proud to announce the well-deserved promotion of Chunyu (Joe) Qiao, Ph.D. to the position of Chief Scientist. Over the last few years Joe has worked tirelessly to hone his skills as a first rate petrographer and microscopist and to develop new capabilities and service offerings that separate...
Concrete quality is critical for every party during construction and maintenance. DRP, A Twining Company uses fluorescence microscopy as a powerful tool to quantitatively evaluate the water to cement ratio in concrete. We measure bulk electrical resistivity per ASTM C1876 as a fast and reliable test...
Join DRP for a free webinar on using petrography for quality assurance of concrete mixtures. Such information is pi… https://t.co/uDK4HhzbNy
We are fully certified by the US Army Corps of Engineers to evaluate concrete aggregates, including petrographic ex… https://t.co/csUIygqPKp
"There is nothing nobler than risking your life for your country." - Nick Lampson https://t.co/IJomNfSiFk
WHY DRP? Our engineers and scientists deliver expertise, data, and analysis to ensure the condition of critical inf… https://t.co/Oub011ZmE0
To understand the durability of a material, we look at the components that are going into its creation - we go to t… https://t.co/sVxaAjsvSQ
Pollock or Petrography. No, this isnt a painting by the Jackson Pollock, its an Energy Dispersive Spectroscopy (E… https://t.co/kZG9AFJteM
A message from our President: DRP Services and the COVID-19 Pandemic. https://t.co/7ghcSfBMyt
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