Single crystals of the new metal-organic framework (MOF) In-adc (HHUD-4) were obtained through the reaction of the linear acetylenedicarboxylic acid (H2adc) with In(NO3)3·x H2O as a racemic conglomerate in the...

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<p>It is one of the primary tasks of the General Directorate of Highways to repair and maintain the historical bridges which are of great importance in view of our cultural history in accordance with the projects to be developed or caused to be developed, apart from the recently constructed roads and bridges. In this paper, the restoration works carried out on the stone bridges with arches which are proven to be durable against the factors such as earthquakes, dams, variable water flows and heavy traffic over the centuries as a consequence of the analysis made specifically for the original construction techniques and the interaction between soil, foundation and river, shall be discussed.</p>

<p>In addition to making new roads and bridges maintenance and repair of historical bridges is one of the main duties of General Directorate of Highways, Restoration Implementation Project was prepared for 538 historical bridges and Restoration Implementation studies on 196 historical bridges between 2003 and 2016. In this paper, among the 70 historical bridges, the restoration projects were prepared; The contribution to the restoration projects and implementations of the structural analysis studies of the four different historical bridges constructed using the structural system, construction material and practice will be explained through examples, the different features of all historic bridges that were the subject of the examination required the preparation of separate technical specifications for each, all project and implementation studies were carried out in this direction.</p>