00000ctm a22000004i 4500 UP-99796217612975218 Buklod 20230215105418.0 m |o d | ta 190313s xx d r |||| u| (iLib)UPD-00397770777 DENGII rda eng DMLUC LG 995 2019 E63 C35 Calugay, Alfredo P. III author. Effects of exterior precast walls on the static lateral behavior of reinforced concrete residential buildings in the Philippines thesis by Alfredo P. Calugay III ; Eric Augustus J. Tingatinga, thesis adviser. Quezon City College of Engineering, University of the Philippines Diliman 2019. xiii, 209 leaves illustrations (some color) 28 cm text rdacontent unmediated rdamedia volume rdacarrier Thesis (Master of Science in Civil Engineering)--University of the Philippines Diliman January 2019. Available to the general public. In the Philippines, the design of reinforced concrete (RC) frames and precast walls are usually carried out independently by structural consultants and the specialty contractor, respectively.Because of this current practice, the effects of precast walls on the structural performance of RC frames have not been fully investigated in the design stage that generally may result to a non-optimal design of the building. In this study, the effects of exterior architectural precast walls on the static lateral behavior of reinforced concrete frames in the Philippines are presented. Numerical models of building frames with precast walls are used to investigate the behavior of the frame when subjected to a combination of dead loads, live loads, and lateral loads. Industry practices on design, analysis, and construction of RC buildings with the precast walls as well as standard material and geometric properties and limitations were determined using a survey and taken into account. Static analyses of three building models, 2-, 6-, 9- story buildings, were done using STAAD.Pro V8i SS6. For each building model, three different wall models - concrete hollow blocks, fixed RC walls, and hanging precast walls - we used to investigate the effects of precast the wall on the frame of the buildings subjected to lateral loads. In modelling the precast walls, shell elements that are fixed at the top and free at the other edges are used to simulate the pendulum-type movement of the walls. Results showed buildings with precast walls subjected to a load combination experience larger member forces when compared with buildings with hollow blocks or fixed walls. The increase in shear and bending moment in beams are not significant to cause changes in design, i.e., shear forces in beams nearest the support are less than the shear capacity. The increase in axial forces in columns of some buildings, however, resulted to sections being inadequate and therefore the combined effects of axial and bending on columns must be investigated further. It was concluded that the use of precast walls has no significant negative effect on frames but has most considerable advantages in terms of speed of construction and cost effectiveness. Precast concrete. Concrete walls. Hollow bricks. STAAD.Pro. Numerical modelling. Tingatinga, Eric Augustus J. adviser. Thesis FI UP UPD DENG-II LG 995 2019 E63 C35 Thesis