Phase 3 ELLI Data
Description
A full-scale three-story mass-timber test building structure was subject to quasi-static cyclic loading following a modified CUREE loading protocol for two experimental events each occurring over two days. Three (3) load cell (LC) sensors measured applied forces and were attached to actuators that maintained a triangular loading distribution using displacement control at the roof and force control at the other stories. Displacements were measured using 47 linear variable differential transformer (LVDT) sensors, three (3) internal actuator LVDT sensors, and nine (9) string potentiometer (SP) sensors attached to components in the test structure. Strains were measured in 32 locations of various steel components in the test building structure. Each sensor was connected to one of three data acquisition (DAQ) units, which were connected to a computer that recorded the measured data. These data were then transferred to a cloud server for access and backup of the data. The measured data were analyzed and post-processed using various tools.
Files
Steps to reproduce
The dataset includes a description and drawings of the experimental setup, the instrumentation plan, and raw and processed measurements recorded using 94 sensors attached to the test building structure over the course of two multi-day experimental events and one post-tensioning event at the A.A. “Red” Emmerson Advanced Wood Products Laboratory at Oregon State University, Corvallis, Oregon, USA. During the first experimental event, which occurred 04/27/23–04/28/23, the test building structure did not include a dedicated lateral force-resisting system (LFRS), consisting of a gravity system only. Following the first experimental event, a dedicated LFRS known as a self-centering rocking wall (SCRW) was constructed and connected to the gravity system A SCRW is designed to return to a vertical resting position after external lateral loading has ceased, which is called “self-centering.” During the post-tensioning event, which occurred over 05/27/23–05/30/23, vertical unbonded steel threaded rods in the SCRW were post-tensioned to enable self-centering. During the second experimental event, which occurred over 06/01/23–06/02/23, the test building structure included the SCRW as a dedicated LFRS. Construction drawings and instrumentation plans of the test building structure were produced using computer-aided design (CAD) software. The construction drawings were used as a reference during the fabrication of components and the construction of the test building structure. The instrumentation plans reflect the locations and orientations of the individual sensors attached to the test building structure that were used to record test measurements. Recorded measurements include displacements and strains in the components that make up the test building structure, used to derive slip, stiffness, uplift, story drift, and stress.
Institutions
- Oregon State University