WebWhat is ASR? Analyte Specific Reagents (ASR) are antibodies, both polyclonal and monoclonal, specific receptor proteins, ligands, nucleic acid sequences, and similar … WebFeb 9, 2024 · Impact Echo Testing (ASTM C1383 ): Impact echo testing can be used to evaluate the depth of flaws (e.g., voids or delaminations) in a concrete structure. It can also be used to determine the thickness of a concrete member, such as a slab or foundation wall. Impact echo testing can delineate areas of delamination and is applicable in many cases ...
What You Should Know About Alkali-Silica Reactivity in Concrete
WebNov 28, 2024 · The study analyzed the possibility of using the acoustic emission method to analyse the reaction of alkali with aggregate in the presence of lithium nitrate. Lithium nitrate is a chemical admixture used to reduce adverse effects of corrosion. The tests were carried out using mortars with reactive opal aggregate, stored under the conditions defined by … WebThe most common technique used for the identifying ASR is the examination of thin sections of concrete using a petrographic microscope. Scanning electron microscopy (SEM) is an alternative technique; it is used to examine polished sections of concrete. custom storage sheds san antonio
Forensic and Automatic Speaker Recognition …
WebOct 1, 2024 · Forensic and Automatic Speaker Recognition System Authors: Satya Nand Fiji National University Abstract Current Automatic Speaker Recognition (ASR) System has emerged as an important … WebJan 8, 2014 · Following a comprehensive forensic investigation on concrete pavements from six different airports, the results of forensic study show that the airfield pavements do have some evidence of ASR, however other materials-related distresses were also observed, including alkali-carbonate reaction, D-cracking, shrinkage cracking, and a … WebAug 5, 2024 · Alkali-silica reaction (ASR) is a concrete deterioration mechanism which can result in expansion cracking. Evaluation of ASR deterioration is commonly conducted by … custom storage containers for sale