by PMET | Jan 30, 2024 | Field Inspection, Laboratory, Resources
Alkali-carbonate mitigation testing is a process used to assess the potential for alkali-carbonate reactions (ACR) in concrete or cementitious materials. ACR is a chemical reaction that can occur between certain types of aggregates used in concrete and the alkali...
by PMET | Dec 19, 2023 | Field Inspection, Industries, Resources
Hydrogen embrittlement is a phenomenon that can occur when metals are exposed to hydrogen gas or certain hydrogen-containing compounds under certain conditions. When hydrogen atoms diffuse into the metal, they can weaken the metal’s atomic bonds and cause it to...
by PMET | Dec 19, 2023 | Field Inspection, Industries, Resources
Brittle fracture in metals occurs when a material suddenly and catastrophically fails under a relatively low level of stress without any significant deformation or warning signs. This type of fracture is characterized by rapid propagation of a crack through the...
by PMET | Nov 17, 2023 | Field Inspection, Industries, Resources
Yield and unit weight testing are essential procedures used to determine the properties of concrete. These tests provide valuable information about the concrete mixture’s consistency, workability, and density. Let’s explore each of these tests in more...
by PMET | Nov 17, 2023 | Field Inspection, Industries, Resources
Pozzolanic activity testing is a procedure used to determine the reactivity and suitability of a material to be used as a pozzolan in concrete. Pozzolans are finely divided materials that can react with calcium hydroxide (lime) in the presence of moisture to form...
by PMET | Oct 24, 2023 | Field Inspection, Industries, Resources
Several factors contribute to pipe damage in pipeline systems, including corrosion, erosion, welding defects, material defects, vibration stress, and mechanical damage. In addition, damage occurring in the weld area is often related to weld quality in the...