Hysteretic behavior of precast segmental bridge piers with superelastic shape memory alloy bars

Seismic response of a continuous bridge with bearing protection devices

“…2). In the case of SMA restrainer devices [28][29][30][31][32][33], Nitinol shape memory alloy is the most commonly used material. Shape memory alloys display several remarkable characteristics like thermo-mechanical phase change, shape memory effect, superelastic effect and high damping.…”

Experimental study of a self-centering prestressed concrete frame subassembly

“…Shake table tests [13] on a 0.4-scale one-story, two-by-two bay post-tensioned concretefilled tube (CFT) frame subassembly further confirmed the large deformation and self-centering ability of the PT frame systems. Along with the above developments in precast concrete (PC) MRFs, unbonded post-tensioning (PT) technology has also been applied to bridge piers [14,15], walls [16], bracing members [17] and beamcolumn connections of steel frames [18] Recently, a new concrete PT connection, i.e. the self-centering prestressed concrete (SCPC) beam-column connection, has been proposed by Song et al [19].…”

Seismic behavior improvement of reinforced concrete shear wall buildings using multiple rocking systems

“…The efficiency of using multiple rocking sections on shear wall buildings was also investigated on the four height levels of buildings (i.e. 8,12,16, and 20 stories) and three alternatives of rocking sections (i.e. base, base and mid height, and multiple rocking sections on every second story).…”

“…A considerable number of experimental and analytical studies have been conducted for evaluating the seismic behavior of rocking systems in terms of energy dissipation devices, self-centering tools, impact at base, and values and distribution of the considered design criteria over the height of structures [1,[4][5][6][7][8]. The majority of reported researches have been concentrated on the behavior of precast piers of bridges [9][10][11][12][13][14][15][16][17][18][19], while few studies have works on the seismic behavior of precast shear wall [20][21][22][23][24][25] or steel braced frame with rocking at base [26,27].…”