ISO/IEC 17025:2017 (NABL) Certification for Building Materials � Reinforced Concrete Structures
Building Materials & Reinforced Concrete Structures
Building material is material used for construction of various structures and buildings. There are many naturally occurring substances such as clay, rocks, sand, wood and even twigs and leaves have been used to construct buildings. A part from naturally occurring materials many man-made products are in use some more and some less synthetic. The manufacturing of building material is an established industry. Various building materials are soils, steel, concrete, timber, etc. Concrete is the most widely used building material in the world. It is known as the king of building materials. It constitutes the base of a lot of constructions like buildings, roads, bridges, tunnels, water pipes dams, etc.
Concrete is a type of artificial stone, a mixture of four elements: cement, water, sand, and aggregates that is succeeded by the process of hydration. Reinforced concrete is concrete in which steel is embedded in such a manner that the two materials act together in resisting forces. The reinforcing steel-rods, bars, or mesh absorbs the tensile, shear, and sometimes the compressive stresses in concrete structures. The invention of reinforced concrete revolutionized the construction industry and concrete become one of the world’s most common building materials.
Applications of Reinforced concrete
Reinforced concrete is being used for the construction of foundations to the rooftop of buildings, in the construction of buildings, bridges, roads, foundations, etc.
Buildings: Reinforced is the best construction material in the construction of floor, roof slabs, columns, and beam in residential and commercial structures. It proves to be cost-effective, durable, fireproof, and reliable construction material.
Bridges: Nowadays reinforced concrete is used in the construction of small, medium, and long spans resulting in superior and economic structures in comparison with steel bridges. Due to concrete strength and durability, it can be used in any type of construction.
Roads: It is also used in the construction of roads that are designed to carry heavy traffics. Some examples of roads made by reinforced concrete are airplane runway and flying boat slipway.
Foundations: It is used in the construction of almost all types of foundations such as piles and rafts. Reinforced piles have been used for foundations of structures of different types like bridges and buildings.
Reinforced concrete is a highly used construction material but the damage caused by aging and wear on concrete structures cannot be completely avoided. With the help of proper testing and assessment, one can avoid safety defects. Testing should be done for the determination of compressive strength, flexural strength, and water impermeability. The testing also helps to inspect the concrete condition, concrete corrosion, reinforcement corrosion, joint condition, and joint sealants. Testing of aggregates, cement, mortars, and screeds should also be done Proper evaluation of concrete test helps in avoiding potential problems. Material testing and engineering ensure that the structural materials used during construction meet all necessary quality benchmarks.
Building material testing is mandatory because it is critical for the viability and safety of a construction project. It is also a regulatory requirement for most large scale projects. Without testing, engineers and builders may not know if the quality of construction meets the requirements. The testing of all building materials should be done in a lab that is equipped with all the procedures and equipment that are required for accurate testing of these materials. In that case, the labs must be certified for ISO 17025:2017 and accredited by NABL so that it is ensured that all the procedures are followed and accurate testing data is obtained for the best quality assurance of building materials.
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