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  • properties
  • The focus of this study was to investigate the properties affecting the compressive strength of these building products. (bath.ac.uk)
  • Because of that, special techniques have been developed in which attempts were made to measure some concrete properties other than strength, and then relate them to strength, durability, or any other property. (hindawi.com)
  • Historical records including more than 1900 girder pours from four girder producers over a six-year period were analyzed for patterns in project requirements, fresh concrete properties, measured concrete compressive strengths, and producer practices. (auburn.edu)
  • This gel has been found to be responsible for the cementitious properties of the final material (Criado et al 2008), and the quantity affects the mechanical strength of the final product (Zhang et al 2013). (scielo.org.za)
  • increases
  • It was confirmed that the grading parameters were improved and there were significant increases in the compressive strength of the blocks and cube samples. (mdpi.com)
  • Pozzolona increases the later age strength of concrete as it reacts with calcium hydroxide and turns it into calcium-silicate-hydrates (C-S-H). However Portland pozzolona cements have higher activation energy and therefore, their rate of hydration is lower as compared to ordinary Portland cement (OPC). (wikipedia.org)
  • extrusion
  • Low density foams from polyethylene blends having substantially closed cell structure and improved compressive strength are prepared using gel-forming extrusion technology. (google.es)
  • temperature
  • The temperature and the duration of elevated temperature curing were found to be critical factors affecting the compressive strength at early age, but their effect decreased significantly in the long term. (scielo.org.za)
  • The optimum temperature has been found to be between 65 and 70 °C, beyond which the losses in later age strength have been found to be considerably higher. (wikipedia.org)
  • stress-strai
  • A stress-strain curve is plotted by the instrument and would look similar to the following: The compressive strength of the material would correspond to the stress at the red point shown on the curve. (wikipedia.org)
  • The ultimate strength refers to the point on the engineering stress-strain curve corresponding to the stress that produces fracture. (wikipedia.org)
  • thus
  • The paste activated with 9% Na 2 O had the highest strength at 28 days and a low standard deviation, and 9% Na 2 O was thus considered as the best value in the present study. (scielo.org.za)
  • Blocks
  • This is particularly important for developing countries in sub-Saharan Africa, and even Latin America where most sandcrete blocks exhibit compressive strengths far below standard requirements. (mdpi.com)
  • resistance
  • In particular, the AZ (Aluminium-Zinc) series of magnesium alloys are characterized by (a) low cost, (b) ease of handling, (c) good strength and ductility, and (d) resistance to atmospheric corrosion [ 5 ]. (hindawi.com)
  • This study investigated compressive strength, chloride penetration, and freeze-thaw resistance of multiwalled carbon nanotube (MWNT) concrete. (hindawi.com)
  • Materials
  • Cevdet Emin Ekinci and Omer Kelesoglu, "A Study on Occupancy and Compressive Strength of Concrete with Produced Injection Method," Advances in Materials Science and Engineering , vol. 2014, Article ID 241613, 8 pages, 2014. (hindawi.com)
  • Weinert (1980) suggests that soils containing more than 10% of mica, especially muscovite, should be avoided for use in pavement layers, whereas Mitchell et al (1975) recommend that, where materials are adjudged to be very micaceous, the acceptable plasticity limits should be lowered by 33% besides meeting the strength specifications. (scielo.org.za)
  • This truss arrangement combines strength with economy of materials and can therefore be relatively light. (wikipedia.org)
  • Strength of materials, also called mechanics of materials, is a subject which deals with the behavior of solid objects subject to stresses and strains. (wikipedia.org)
  • The study of strength of materials often refers to various methods of calculating the stresses and strains in structural members, such as beams, columns, and shafts. (wikipedia.org)
  • The field of strength of materials deals with forces and deformations that result from their acting on a material. (wikipedia.org)