Bridges are important constructions that help people cross real obstacles like rivers, roads, and valleys. A bridge’s primary function is to allow traffic to cross over a barrier, hence it must be strong enough to withstand both static and dynamic pressures. What are the best materials to use while creating bridges? The best building materials depend on the type of bridge being constructed. Concrete, steel, stone, and composite materials are the most often used materials.
Concrete is one of the most important building materials used in bridge construction. Bridges made of concrete are quite flexible and versatile, which makes them ideal for distributing and absorbing weight. Engineers and arcʜɪᴛects may create a broad variety of practical structural structures using concrete. Concrete has a modest tensile strength despite being ideal for large construction projects. To overcome these challenges, civil engineers have opted to create bridges using reinforced concrete. RCC increases the concrete’s ductility, enabling it to withstand heavy loads without bending or yielding to other tensile pressures.
It’s challenging to talk about bridge construction without mentioning steel. Due to its strength, ductility, and adaptability, steel is the perfect material for bridge construction. Steel is used to build railway bridges, long span bridges, and even short and medium span bridges. Normal construction steel has a compressive and tensile strength of 370 N/sq mm, which is substantially higher than the compressive and tensile strength of concrete. The ductility of steel is one of its most impressive qualities. Steel’s ductility enables it to flex significantly before breaking under stress that exceeds the structural capacity.
It is advantageous to employ composite material for both new bridge building and bridge repair. Fiber-reinforced plastic is frequently strengthened using materials like carbon or glass fibers, for instance. Usually, a durable, lightweight, strong, and ductile material is the ultimate result. Thin columns in long-span bridges are increasingly being built with reactive powder concrete (RPC). Additionally, composite material can be used to rebuild or repair bridge columns and other supporting components. Fiberglass impregnated with epoxy can also be used to coat non-ductile columns to increase their resistance to external forces.
In the video below, you will see Amazing Modern Fastest Bridge Construction Technology – Incredible Biggest Heavy Equipment Machines:
Source: Machinery Magazine
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