1. 1) ASTM, (2018). “Standard test method for polyurethane raw materials: Determination of primary hydroxyl content of polyether polyols (ASTM D4273).” West Conshohocken, Pennsylvania, USA: ASTM International.
2. 2) Banthia, N. and Gupta, R., (2006). “Influence of polypropylene fiber geometry on plastic shrinkage cracking in concrete.” Cement and Concrete Research, 36(7), 1263-1267.
3. 3) Bilek, V., Kalina, L. and Novotny, R., (2018). “Polyethylene glycol molecular weight as an important parameter affecting drying shrinkage and hydration of alkali-activated slag mortars and pastes.” Construction and Building Materials, 166(30), 564-571.
4. 4) BSI, (2009a). “Testing hardened concrete - Part 5: Flexural strength of test specimens (BS EN 12390-5).” London: The British Standards Institution, BSI Group.
5. 5) BSI, (2009b). “Testing hardened concrete - Part 3: Compressive strength of test specimens (BS EN 12390-3).” London: The British Standards Institution, BSI Group.