Monday, December 22, 2014

Reinforced Concrete - Ideal Construction Material for Better Buildings

Reinforced Concrete for Better Buildings

Reinforced concrete is a construction material widely used across the world. Popularly known as RCC, this material has steel at its core and is surrounded by concrete. As these two materials interlock, they form an extremely and exceptionally strong material. In several places, like India, where steel structures are still not the norm, almost every building structure erected is made of reinforced concrete.                                  
The combined strengths of steel and concrete make reinforced concrete stronger than any other construction material.
Structures built with steel and lumber are at high risk of damage due to fire, however reinforced concrete is better in this quarter as well. RCC is good in tension and has high resistance to fire.
It is easy to cast RCC into a desired shape, while still maintaining the structural strength and durability.
The yield strength of RCC is apparently 100 times more than its tensile strength. This enables it to yield rigid members with minimum deflection.
Last but not the least; it is comparatively easy to maintain a reinforced concrete structure. Especially structural elements like walls, dams, piers and footings.
A building with a RCC structure includes reinforced concrete slab design, Reinforced Concrete Beam design, and design of various other elements like columns, frames, and footing and RCC walls.
Structural Design with Reinforced Concrete
After the architect designs a building based on the client requirements, a structural engineer determines what structural system will be the best suitable for erecting this structure as per the designed architecture. Once the building form and structural arrangements are decided, there can be a plethora of design problems that need to be countered and resolved using structural design capabilities.
These problems include:
Ideating a structure into the load bearing elements and frames for design and analysis
Estimate the loads that might be inflicted upon the structure when built
Determining the maximum moments, thrusts and shears for design, thus further analyzing these situations
Section design and arrangements of reinforced slabs, beams, columns and walls
Creating detailed drawings of arrangements and bar schedules.
Modeling and Detailing of Reinforced Concrete Structures:
A variety of tools are used for modeling and structural detailing of reinforced concrete. The several reinforce structural elements that are modeled involve precast concrete, cast in place concrete and other special construction elements. With these tools in hand, civil engineers and structural engineers can create models with great structural detailing and labeling.
The 3D models developed from structural detailing plans may include interactive sections, smart symbols and marking and also associative and dynamic dimension lines. Detailed information rich modeling allows engineers to check clashes across the structural discipline internally and detect interdisciplinary clashes as well.
About the Author: Gaurang Trivedi is engineering consultant at TrueCADD. Besides, donning multiple hats, as a website manager and marketing in charge, he also oversees the editorial content, coordinating and managing the website, its news sections, blogs and social media promotions as well.
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