Vibration damping wall structure and a method of connecting vibration damping devices
View Patent ↗A robust vibration damping device not suffering from destruction even when an earthquake force is increased. A vibration damping wall structure includes a structural frame comprising a foundation, a beam, and vertical members. One set of vibration damping devices are attached to a first vertical member, and another set of vibration damping devices are attached at positions respectively opposing the one set of vibration damping devices to a second vertical member. Each of the vibration damping devices is connected with the vertical member by way of a brace. The vibration damping devices in the one set and opposing vibration damping devices in another set are connected each other in a lateral direction by lateral connection members between each of the sets. Further, the vibration damping devices of each of the sets are connected each other in a vertical direction by the vertical connection members respectively in each of the sets.
1. A vibration damping wall structure including:
a plurality of first vibration damping devices attached to a first vertical member that constitutes a structural frame of a building,
a plurality of second vibration damping devices attached to a second vertical member that constitutes the structural frame so as to oppose the first vibration damping devices,
a plurality of first brace members for connecting the first vertical member and the second vibration damping devices,
a plurality of second brace members for connecting the second vertical member and the first vibration damping devices,
lateral connection members for connecting the first vibration damping devices and the second vibration damping devices opposing the first vibration damping devices,
a first vertical connection member for connecting the plurality of the first vibration damping devices to each other and
a second vertical connection member for connecting the plurality of the second vibration damping devices to each other.
2. The vibration damping wall structure according to claim 1 , wherein
the first vibration damping device or the second vibration damping device has a vibration damping element constituted with a steel strip that deforms plastically when an exerting force exceeds a limit of elasticity, and
the vibration damping element comprises
a first attaching plane and a second attaching plane for attachment to the first vertical member or the second vertical member,
a first rising portion that rises from the inner end of the first attaching plane,
a second rising portion that rises from the inner end of the second attaching surface, and
an upper plane for connecting the first rising portion and the second rising portion and receiving an earthquake shaking transmitted from the structural frame by way of a brace member attaching plate.
3. The vibration damping wall structure according to claim 2 , wherein
the first vibration damping device or the second vibration damping device has a vibration damping element support member for supporting the vibration damping element,
the vibration damping element support member comprises
a first arcuate lateral side and a second arcuate lateral side, and
is disposed in a space surrounded by the upper plane, the first rising portion and the second rising portion of the vibration damping element,
the first lateral side is disposed near the inside of the first bend portion formed of the first rising portion and the upper plane, and
the second lateral side is disposed near the inside of the second bending portion formed of the second rising portion and the upper plane.
4. The vibration damping wall structure according to claim 2 , wherein
both end portions of the upper plane protrude to the outside of the first rising portion and the second rising portion.
5. The vibration damping wall structure according to claim 4 , wherein
the both end portions of the upper plane are bent in the direction of the first attaching plane and the second attaching plane respectively.
6. A method of connecting a plurality of first vibration damping devices attached to a first vertical member that constitutes a structural frame of a building, and
a plurality of second vibration damping devices attached to a second vertical member that constitutes the structural frame so as to oppose the first vibration damping device, the method including:
connecting the first vertical member and the second vibration damping devices by a plurality of first brace members,
connecting the second vertical member and the first vibration damping devices by a plurality of second brace members,
connecting the first vibration damping devices and the second vibration damping devices opposing the first vibration damping devices by lateral connection members respectively,
connecting the plurality of the first vibration damping devices to each other by a first vertical connection member, and
connecting the plurality of the second vibration damping devices to each other by a second vertical connection member.
7. A vibration damping wall structure including:
a plurality of first vibration damping devices attached to a first vertical member that constitutes a structural frame of a building,
a plurality of second vibration damping devices attached to a second vertical member that constitutes the structural frame so as to oppose the first vibration damping devices,
a plurality of first brace members for connecting the first vertical member and the second vibration damping devices,
a plurality of second brace members for connecting the second vertical member and the first vibration damping devices, and
a connection plate member for connecting the plurality of the first vibration damping devices and the plurality of the second vibration damping devices.
8. A method of connecting a plurality of first vibration damping devices attached to a first vertical member that constitutes a structural frame of a building, and
a plurality of second vibration damping devices attached to a second vertical member that constitutes the structural frame so as to oppose the first vibration damping device, the method including:
connecting the first vertical member and the second vibration damping devices by a plurality of first brace members,
connecting the second vertical member and the first vibration damping devices by a plurality of second brace members, and connecting the plurality of the first vibration damping devices, and the plurality of the second vibration damping devices by a connection plate member.