Pseudo-Dynamic Tests on Frame–Shear Wall Structure with Precast Concrete Diaphragm

Autor: Chun Han, Xinhong Dong, Qunshan Su, Chunming Duan, Guoping Tian
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Buildings, Vol 14, Iss 4, p 1050 (2024)
Druh dokumentu: article
ISSN: 2075-5309
DOI: 10.3390/buildings14041050
Popis: In order to study how to improve the spatial action of precast monolithic composite floor slabs, and examine replacing the cast-in-place surface layer for reducing the weight of structure, we used pseudo-dynamic tests on one-quarter scale models of two-span and three-story frame structures. The lateral load tests compared the stresses and displacements with a cast-in-place floor frame–shear wall structure (SJ1) and a precast monolithic floor frame–shear wall structure with X horizontal braces at the bottom of the floor (SJ2). The results show the X horizontal braces can improve the spatial action. Structural integrity (SJ2) as well as the effective transmission of the horizontal force can be ensured by additional X bracing at the bottom of the rigidity of the floor without a cast-in-place concrete topping. The results show that X horizontal braces more effectively transfer horizontal stress, which provides a beneficial reference for similar research.
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