ANALISIS KERUSAKAN STRUKTUR BANGUNAN GEDUNG BAPPEDA WONOGIRI

Abstract

The BAPPEDA office building of Wonogiri regency is an office owned by The Government of Wonogiri Regency that has a function as a Development Planning Board and Research Office of the Regional Development in Wonogiri regency. The building was built in 1997 with the main structure of reinforced concrete. The idea of using this reinforced concrete based on the easiness in constructing, improving and maintaining the infrastructures. Counted less than 5 (five) years of age of the building, several parts of the building structures indicates several damages on it’s structure element, such ini front terrace, first floor and in the column of ground floor, those indications were accumulated in a porousity. This research was intended to know the main cause of porousity and to decide the repairment method. This research was carried out visually on the structure element, according to the research result, it was found that there were porousities on the concrete and cracks on the metal sheet of the terrace, first floor and ground floor. From the technical research, found that during the concrete processing and the supervision did not follow the proper arrangement of concrete. The cracks found in this research could be differentiated into small and moderate cracks. The cracks repairment were set up according to its level damages, such light repairment was done by removing the cement floor, the moderate repairment by doing epoxy grouting, while heavy repairment was done the metal sheet and floor beam by prepacked concrete process and on the floor column by adding steel frames.