Engineering Research Equipment Grant: Soil Resonant Column Apparatus for Hybrid Strength Testing

获得了一种能够使圆柱形土样受到纵向和扭转激励的土工响应柱单元。谐振柱单元将与传统的三轴加载系统结合使用，以提供能够承受静态加载(围压、轴向压缩和扭转)以及动态纵向和扭转加载的混合测试设备。这种混合系统将允许在大范围的应力幅值和应力诱导的各向异性条件下研究土壤的动态特性。

A geotechnnical ressonant column cell capable of subjeccting cylindrical soil specimens to longitudinal and torsional exictation is procured. The resonant eolumn cell will be uused in conjunction with a conventional triaxial loading system to provide a hybrid testing apparatus capable of static immposed loads (confining pressure, axial compression and torsion), and dynamic longitudinal and torsional loads. This hybrid system will permit studies of dynamic soil properties under a wide range of stress amplitudes and under conditions of stress induced anisotropy.