What is rehabilitation in the structure?

Rehabilitation is the process of restoring the structure to the service level, once it has been lost and has now been lost, strengthening consists of providing the structure with a higher level of service than initially planned by modifying the structure not necessarily damaged structure. The deterioration of reinforced concrete structures is recognized as a major problem worldwide.

What is rehabilitation in the structure?

Rehabilitation is the process of restoring the structure to the service level, once it has been lost and has now been lost, strengthening consists of providing the structure with a higher level of service than initially planned by modifying the structure not necessarily damaged structure. The deterioration of reinforced concrete structures is recognized as a major problem worldwide. In addition to requiring regular maintenance, many structures require extensive repairs and rehabilitation. For a while, as these structures age, we find some degradation or deterioration in them with the consequent deformation that manifests itself in the form of cracking, splitting, delamination, corrosion, etc.

As a result, the need for repair and rehabilitation has increased considerably in recent years. With the increase in construction activities over the past two decades, mainly in the construction sector, it has been observed that many of the structures are already showing signs of distress. In some cases, repair measures are necessary even within a period of 5 to 10 years after the completion of the structure. This can happen due to a number of factors such as poor quality concreting materials, poor workmanship, lack of maintenance, atmospheric effects, abuse, accidents or natural calamities.

Therefore, the adaptation of a concrete structure becomes necessary to extend its service life and ensure the durability of the structure. The rehabilitation provides for the restoration of the structural system as close as possible to the original position. The worn structure must be brought into line, leveled and with the required strength so that it can be put into service without jeopardizing its safety and usefulness. In order to collect the data for the design of the structural rehabilitation of the Shroud Chapel, an extensive on-site research campaign was carried out.

As already evidenced in the previous text, at present and at European level, no well-established design and detail calculation methods have been developed that cover all techniques for the on-site use of composite rehabilitation systems in wood and concrete structures. SRPL is also expanding consulting services to find intellectual solutions for repairs and rehabilitation of CCR structures by performing appropriate NDESTRUCTIVE TESTING using the latest state-of-the-art non-destructive testing equipment. All fiber types are available in various fiber forms and architectures, corresponding to the manufacturing processes, but also according to the requirements of FRP composites for structural rehabilitation. As FRPs are non-corrosive and have high specific strength and modulus values compared to their density, their light weight, custom design, acceptable deformability and excellent formability allow the manufacture of new elements and the structural rehabilitation of existing parts made of traditional materials.

During repair and rehabilitation, special attention should be paid to areas of foundations, basements, bathrooms, balconies and roofs, all of which are very prone to water damage and also to symptoms of distress that endanger structural stability. Taking this evidence into account, the structural rehabilitation design also considered the reconstruction of the structurally most important parts of the building with new marble elements, produced in the same way as the originals. Before finalizing any plan for the repair and rehabilitation of a worn concrete structure, the expert in question must be fully aware of the causes of the danger, the extent of damage to the structure and the current state of the concrete in the structure. For any repair %26 rehabilitation work, it is always better to trust the manufacturer in the various aspects of the material% 26% its suitability for that particular type of work.

Therefore, for most applications, designers of wooden structures, composite rehabilitation work will have to rely primarily on their individual skills and experience to properly design and detail the rehabilitation intervention. Other methods of repair and rehabilitation of structures are prepackaged concrete, epoxy injection bonding under pressure, routing %26, sealing, grouting, etc. Below, the infographic presents some of the chimney repair and rehabilitation projects they have carried out. The repair process for internal strengthening does not require the excavation of a trench, therefore, the FRP composite lining becomes a trenchless structural rehabilitation.

Carbon fiber and epoxy resin coatings have been used for complete structural repair, strengthening and rehabilitation of onshore steel pipes. The results of this durability study indicate strong potential for the CFRP coating system to work well as a long-term solution for pipeline rehabilitation. However, the development of appropriate design guidance standards is much more advanced in the case of the rehabilitation of concrete structures than for wooden structures. .

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Riley Ryan
Riley Ryan

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