Bridge

Typical Bridge Load test to evaluate the load carrying capacity of bridges

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 1. INTRODUCTION Evaluation test for load carrying capacity of bridge will be useful to assess the effects of defects or deterioration on the overall performance of the bridge or on the stresses in individual components. This note presents a procedure for assessing the safe load carrying capacity of single span PSC box girder Major Bridge …

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Methodology of Post tensioning or Prestressing in details

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Prestressing process / Post tensioning method is primarily divided  into the following parts Cable  layout and profiling of the sheathing pipe Fixing of Trumpet or Guide unit   Insertion & cutting of  cable  Concreting of the element Assembling of various parts of prestressing jack  Calculation for Stressing  Process of Prestressing End sealing Prestressing Jack Cable  layout …

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Strengthening of old structure by Carbon Fiber Reinforced Polymer Wrapping (CFRP)

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What is CFRP? CFRP is carbon fiber reinforced polymers which are composite materials consist of two main parts namely carbon fiber (Reinforcement) and matrix to bind it (Epoxy Resin). Uses of it? It is very light in weight comparison to its strength so that whenever it is  required to high strength to weight ratio or …

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Repairing of cracks of bridges by injection epoxy grouting and application of epoxy mortar

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 Introduction There are various bridges in world which are very old in age but still capable of carrying constant traffic load but it was possible only due to regular maintenance. But how to maintain a bridge? There are only alternate to maintain a bridge is to repair to it and its wound. In technical term …

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Replacement of damaged bridge joint with elastomeric slab seal expansion joint with special concrete

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Introduction In the world there are various bridges which are so old sometimes more than 50 years and more but still catering traffic in full swing. As we know when a human get older his or her body needs some supporting system to strengthen them like knee cap, walker or cane, medication etc. in same …

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