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Evaluation of concrete with steel fibers and polypropylene fibers and colloidal nanosilica against weight loss and its safety in structures | ||
| مهندسی عمران و فناوریهای نوین | ||
| Article 1, Volume 5, Issue 5, April 2025 | ||
| Document Type: Original Article | ||
| Authors | ||
| ahmad Khazaiepoul1; Amirmohammad Hassanzadeh2; mohammad reza ehbagljou2 | ||
| 1Assistant Professor, Department of Civil Engineering, Imam Hossein University | ||
| 2Master's degree in civil engineering department of Imam Hossein Jame University | ||
| Receive Date: 15 January 2025, Revise Date: 06 April 2025, Accept Date: 08 February 2025 | ||
| Abstract | ||
| With the spread of terrorist attacks and the existence of life and financial risks, increasing the resistance of structures such as nuclear power plants, transportation terminals, strategic bridges, chemical factories, fuel plants, military equipment and warehouses, important government buildings and crowded centers seems necessary. Fiber concretes have unique properties. Therefore, this material can be used to build structures resistant to impact loads. In recent years, experts have come to the conclusion that it is possible to improve mechanical strength, fatigue resistance and impact resistance by adding different fibers to concrete. The use of fibers causes safety and prevents the growth of cracks and increases the plasticity of concrete. In concrete, the demand for this material is still growing. One of the suitable ways to improve the plasticity and increase the resistance and safety of concrete structures against dynamic loads such as impact, earthquake and fatigue is to add fibers such as steel fibers and propylene fibers in concrete. | ||
| Keywords | ||
| Steel fibers and polypropylene fibers; colloidal nano silica; weight loss | ||
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