What is Concrete Topping ? Concrete topping is the process of overlaying (resurfacing) the hard, non-abrasive, structurally tough layer of concrete over any existing surface. The old surface may be worn out or structurally not suitable for the special purpose; such as installing pieces of machinery and big equipment causing impacts and vibration at workshop, …
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What is Box girder bridges? Girders are the large section beams above which the slab(deck) rests. They are generally adopted for the bridges. The Box Girder are hollow channel-shaped beams containing two (or more) side webs and two flanges. The box shape can be either trapezoidal or rectangular. In such girder, one of the flanges …
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Elasticity, stress and strain When the external force is applied to the material body, it processes for change in shape and size. If the force is not too sufficiently large then the material body returns to its original state when force is removed. T his property of the material body due to which it returns …
Read moreConcrete Stress strain Curve and their Relationship
What is a Spillway? Definition Dams are generally constructed to store water of the channel so that it can be used for future work like irrigation, electricity, and mostly for flood control. In some case, dam get overflow of water which may damage the whole design and structure if we do not discharge excess water …
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Introduction Retaining walls are built in order to retain the soil masses located at suddenly abruptly changing elevation and provide lateral confinement. The retain mass on another side of the wall exerts lateral force and overturning moment to the constructed wall, and thus the wall is needed to design to encounter such forces and moment …
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The word masonry is derived from the word “Mason”. Masonry walls are the upright construction having much length and height than breadth; build by joining and stacking of masonry units which can be easily held on hand, with the binding material. Depending upon masonry units whether they are stone, bricks, tiles, blocks, or concrete blocks …
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A retaining wall is a rigid structure build to retain the soil or the masses of debris at one end having different levels so that the soil masses don’t slip from it. Thus, retaining walls are specially designed for lateral earth pressure and forces. The retaining wall further protects the direct vertical exposure of soil …
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What is post tension slab? Concrete has high strength in compression but is weak in tension. Since it is brittle in nature it may crack suddenly after failure. So, to make the concrete strong in tension and prevent the sudden collapse of the structure we have to provide tension-bearing materials like steel rods in the …
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The stair is a component of the building which allow us to move from one floor to another floor. The place or area occupied by the stair is known as a staircase. Here I will show you how to calculate the Bar bending schedule of dog-legged staircase. Bar bending of stair means simply to calculate …
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The beam which is supported at one end but free at the other end is known as a cantilever beam. Bar bending schedule of cantilever beam means simply to calculate the total quantity of steel rods or reinforcement required in the beam for safe load-bearing. In the cantilever beam, tension force acted at the top …
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