Repairing Scheme for Structures

    For any rehabilitation program the first step is to assess the degree of distress, the history of the structure, the environment in which the structure is standing. It is also necessary to know whether there was any change for which the structure was built for some specific function.

    The assessment can be done by - visual, chemical analysis, physical properties of NDT.

    Once the assessment is over, a scheme for rehabilitation is to be made with the use of various construction chemicals. Understanding the physical parameters along with compatibility tests of the chemical with the substrate is essential.

    To understand the physical parameters of construction chemicals / building material the various durability factors of cement / lime based materials is also important.

    As rehabilitation is an art and at the same time highly scientific and technological innovation the use of special tools and application of material plays an equal important role. Therefore, rehabilitation of structure encompasses various field of activities and failure of any activity at any step may jeopardize the rehabilitation work. However taking into consideration, the nature of distressin coastal environment with the following specification can be referred.

    Detailed technical specification for the repair and corrosion protection of concrete surface

    NBM&CW February 2009

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