As per a request by M/s. Saoud Al Mohanna. The project study has been conducted to demonstrates the investigation and testing of the Naif Palace with regards to the structural integrity and its depreciation using Finite Element Analysis and evaluation of current bearing conditions of the structure. The study performed on the structure involves a series of steps, to understand the current state of the Palace and validate the measures needed to apply preventive measures to the structure in order to preserve the historical building. These steps involve on-site inspection, physical testing, structural modeling which is followed by FEM analysis testing of the model through applied boundary conditions and loading in a specialized testing platform to simulate the effects and study the deterioration of the model over time. A field investigation was carried out by SEMATCO as per the instructions of M/s. Sauod Al Mohanna to perform the material testing and provide the current results and for each of the samples extracted to study the current strength of the model.

Qasr Naif is one of the historical landmarks of Kuwait Located in Kuwait City. (Location provided in Appendix). The building has existed since 1919. The structure has been constructed using mud. Renovation was carried out over the building in 1950 to preserve and maintain the structure using cement and bricks. The building was initially used by the Public Security Directorate after renovations and now has been incorporated as the main headquarters of the Central Agency.

Based on the physical surveying and dimensions acquired the following arch design was  generated for each of the building blocks within the landmark. Separate models were used in order to provide accurate results through concise boundary and loading conditions on each portion. As mentioned the 3D modeling of the existing cracked and deformed structures were replicated for the analysis in Solidworks and have been designed from the existing model from highlighted Areas shown below that have been selected as critical Areas for the study.

Too many Critical areas as higlighetd above have been designed and studies to check the safety for each,  the Leywan Area ( Area D ) was the first area that has been designed & studied taking into consideration all existing penetrations, cracks and settlements as well as the material properties of for Concrete250 and the masonry cement bricks as per the tested samples that have been analyzed in corporation with SEMATCO.

 

The figure below shows the deformation of the Leewan area due to excess loading where it can be seen that the maximum deformation is experienced by the lower ends of the columns with a pressure of 3.67MPa trying to sustain the structural integrity of the model while considerable deformation can be seen on the top roof with a stress of 0.43MPa causing visible high levels of cracking of the roof at the lower left corner. It is to be considered that the case represents excessive loading of the structure to the point of crushing.

The figure below demonstrates the recommendations of preventive maintenance applied to the existing structure where the center three columns have been replaced with new concrete columns providing support to the roof and restoring the strength of the structure, so in order to validate the recommended maintaince,  the model has been designed & tested to assure its safety and reliability prior to on-ground implementation.

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