Design of steel and composite structure of commercial building

Cilj diplomskog rada je dimenzioniranje čelične i spregnute konstrukcije poslovne građevine. Građevina je tlocrtno nepravilnog oblika maksimalnih osnih dimenzija 39,6 x 22,4 m, te visine 8,10 m mjereno od kote terena do sljemena. Predviđena lokacija građevine je u gradu Puli na 17 metara nadmorske visine. Statička i dinamička analiza se provodi u programu Autodeskt Robot Structural Analysis, prema europskim normama za čelične konstrukcije HRN EN 1993 i spregnute konstrukcije HRN EN 1994. Ulazni podaci su prethodno analizirana djelovanja na konstrukciju, što čini vlastita težina konstrukcijskih i nekonstrukcijskih elemenata, uporabno opterećenje, djelovanje snijega, vjetra te potresno djelovanje, sve prema nizu normi HRN EN 1991, te Nacionalnim dodacima u RH. Svi dimenzionirani elementi zadovoljavaju zahtjeve graničnog stanja nosivosti i uporabljivosti na najekonomičniji način. Pojedine grupe elemenata zbog strane sigurnosti ne prelaze iskoristivost od 91%, A) spoj stupa sa AB temeljem B) spoj glavne grede nosivog okvira na stup. Spojna sredstva su vijci i varovi, a njihova iskoristivost je 91% za spoj A, te 85% za spoj B.The main goal of this Master thesis is design of steel and composite structure of commercial building. The building has an irregular shape with maximum axial dimensions 39,6 x 22,4 m, and height of 8,10 m measured from ground level to the ridge. Planned location of the building is in Pula at 17 m above sea level. Static and dynamic analysis was performed with Autodesk Robot Structural Analysis according to European standards for steel structures HRN EN 1993 and composite structures HRN EN 1994. Input data are previously analyzed actions on the construction, which include self-weight of structural and nonstructural elements, imposed loads, snow load, wind load and seismic load, all according to a series of norms HRN EN 1991 and National annex in Republic of Croatia. Every designed element satisfy ultimate and serviceability limit states requirements in the most economic way. Single groups of elements, because of safety, do not exceed limit state ratio over 91%, while average limit state ratio of the whole structure is 70%. Characteristic connections are designed: A) column and RC foundation connection B) column and beam connection of the main frame Screws and welds are used for connections and their limit state ratio is 91% for connection A and 85% for connection B