Steel-Polymer Friction Tests

This dataset contains the data obtained from a two-phase experimental program to characterize the frictional behavior of different types of polymers sliding on hot-dip galvanized steel for use in seismic isolation. All tests were performed at the John A. Blume Earthquake Engineering Center at Stanford University. Details about the testing program have been published and can be found in the following publications:

Phase 1:
Messina, A; Miranda, E (2022), “Frictional behavior of low-cost steel-polymer interfaces for seismic isolation,” Journal of Structural Engineering, 148 (1), doi: 10.1061/(ASCE)ST.1943-541X.0003218

Phase 2:
Messina, A; Miranda, E (2022), “Characterization of the frictional behavior of steel-polymer interfaces with pronounced stick-slip effect for use in seismic isolation,” Bulletin of Earthquake Engineering, 20, 6307–6326, doi: 10.1007/s10518-022-01428-6

Overview:
Messina, A; Miranda, E (2020), “Experimental characterization of low-cost steel-polymer interfaces for sliding seismic isolation bearings,” 17th World Conference on Earthquake Engineering, Sendai, Japan

Each file contains the following data columns:
t (s): measured time
d_actuator (mm): measured displacement at the actuator
d_interface (mm): measured displacement at the sliding interfaces
F_normal (kN): measured normal force
F_actuator (kN): measured force at the actuator
F_friction (kN): friction force at each interface, computed as F_actuator/(2 x 6.9)
Pressure (MPa): pressure, computed as F_normal/(area of specimen)
F_friction/F_normal: normalized friction force

本数据集收录了从一项双阶段实验计划中获取的数据，旨在表征不同类型聚合物在热镀锌钢表面滑动时的摩擦行为，以供地震隔离应用。所有测试均于斯坦福大学约翰·A·布鲁姆地震工程中心进行。关于测试计划的详细内容已发表在以下文献中：

第一阶段：
Messina, A; Miranda, E (2022), “低成本钢材-聚合物界面在地震隔离中的摩擦行为，”《结构工程杂志》，148 (1)，doi: 10.1061/(ASCE)ST.1943-541X.0003218

第二阶段：
Messina, A; Miranda, E (2022), “在地震隔离中应用的具有显著粘滑效应的钢材-聚合物界面摩擦行为的表征，”《地震工程通报》，20，6307–6326，doi: 10.1007/s10518-022-01428-6

概述：
Messina, A; Miranda, E (2020), “低成本钢材-聚合物界面在滑动地震隔离轴承中的实验表征，”第17届世界地震工程大会，日本仙台。

每个文件包含以下数据列：
t (s)：测量的时间
d_actuator (mm)：测量在执行器处的位移
d_interface (mm)：测量在滑动界面处的位移
F_normal (kN)：测量的法向力
F_actuator (kN)：测量在执行器处的力
F_friction (kN)：每个界面的摩擦力，计算公式为 F_actuator/(2 x 6.9)
压力 (MPa)：压力，计算公式为 F_normal/(试样面积)
F_friction/F_normal：归一化摩擦力