This paper examines in detail the mechanics of lateral spreading observed a full-scale test sloping saturated fine sand deposit, representative liquefiable, young alluvial and hydraulic fill sands field. The was conducted using 6-m tall inclined laminar box shaken at base. At end shaking, nearly whole deposit liquefied, ground surface displacement had reached 32 cm. presented analysis utilizes unique set results, DH, from three independent techniques. One these techniques—motion tracking...

The first-generation time-series synthetic aperture radar interferometry (TSInSAR) technique persistent-scatterer (PS) InSAR has been proven effective in ground deformation measurement over areas with high reflectivity by taking advantage of coregistered temporally coherent pointwise scatterers. In order to increase the spatial density points and quality displacement time series moderate scenes, a second-generation TSInSAR called SqueeSAR was developed extract information from both PSs...

This paper reports the results of model-based simulations 1-g shake table tests level and sloping saturated granular soils subject to seismic excitations. The utilize a transient fully coupled continuum-fluid discrete-particle model water-saturated soils. fluid (water) phase is idealized at mesoscale using an averaged form Navier-Stokes equations. solid particles are modeled microscale as assemblage discrete spheres element method (DEM). interphase momentum transfer accounted for established...

Increasingly, graduate teaching assistants serve as the primary instructors in undergraduate courses, yet research has shown that training and development for these is often lacking programs throughout United States Canada. Providing mentoring skill opportunities vital, many will become next generation of faculty. This paper discusses literature on effective programs, which underscores importance consistent feedback from mentors, intrinsic motivation, practical applications. Afterwards, we...

Game-based learning has long been heralded as a promise to transform education into more engaging and experiential paradigm. Its implementation in engineering thus far shown that promise, yet evidence is needed for widespread adoption. Our work focuses on issues of equity, inclusivity, diversity, surfacing the question whether game-based benefits each every student. To date, these have not received much attention educational research landscape, despite its poignancy, given today's global...

The use of Micro-Electro-Mechanical Systems (MEMS) accelerometers in geotechnical instrumentation is relatively new but on the rise. This paper describes a MEMS-based system for situ deformation and vibration monitoring. has been developed an effort to combine recent advances miniaturization sensors electronics with established wireless infrastructure on-line concept based triaxial MEMS accelerometer measurements static acceleration (angles relative gravity) dynamic accelerations....

Real-time monitoring of civil infrastructure provides valuable information to assess the health and condition associated systems. This paper presents recently developed shape acceleration array (SAA) local system identification (SI) technique, which constitute a major step toward long-term effective analysis soil soil-structure The SAA is based on triaxial micro-electro-mechanical (MEMS) sensors measure in situ deformation (angles relative gravity) dynamic accelerations up depth one hundred...

The evaluation, health monitoring and response prediction of soil soil-structure systems during construction due to extreme hazard conditions are on the verge a significant paradigm shift. New less expensive sensing technologies have enabled development innovative instrumentation advanced interactive modeling tools. These tools, combined with recent advances in information technology including wireless sensor networking, data mining, visualization system identification, promise improvements...

Geotechnical instrumentation using Micro-Electro-Mechanical Systems (MEMS) are relative newcomers to this field and, as such, require extensive validation testing. This paper presents the use of a Shape-Acceleration Array (SAA) instrument full-scale laminar container tests at University Buffalo. The SAA is sensor array based on MEMS accelerometer measurements angles gravity. sensors contained in 30 cm long rigid segments which connected by composite joints that prevent torsion but allow...

Measuring player experience (PX) is key in most game user research. Recently, the Player Experience Inventory (PXI) was presented, a validated 30-item survey instrument using 7-point Likert scale. The issue with this that 30 items it too long for research studies which PX one of measures. We present work-in-progress paper mPXI or mini Inventory, 10-item instrument. evaluated an educational used engineering education (n = 169). While further evaluation needed, current results show promise...

Abstract Multi-Institutional Physical Modeling Learning Environment for Geotechnical Engineering EducationThis paper discusses the preparation and pre-evaluation development implementationof an educational module that integrates remote major research facilities into undergraduateclasses. This effort is funded by NSF TUES (Transforming Undergraduate Education inScience, Technology, Mathematics) program. The developed educationalmodule state-of-the-art experimental tools (geotechnical...

Abstract The objectives of this study are: (1) to compare data recorded with a recently developed in-place inclinometer–accelerometer system measured other established instrumentation through full-scale laminar box tests and field test sites, (2) evaluate possible causes for discrepancies between the theoretical soil settlement at bridge replacement site on soft clay. performance three-dimensional (3D) micro-electro-mechanical systems (MEMS)-based array is evaluated monitoring lateral...

This paper presents the newly developed Wireless Shape-Acceleration Array (WSAA) sensor that measures 2D acceleration and deformation profiles. system constitutes a major step toward autonomous monitoring technology for soil soil-structure systems. The employs micro-machined electromechanical sensors (MEMS), which have enabled gravity-based shape calculation along sensorized substrate. method is an extension of technologies use fiber optic orientation sensing to calculate 3D polylines...

The integrity and reliability of levees, earthen dams flood-control infrastructure are essential components homeland safety. development a potentially affordable satellite-based interferometric synthetic aperture radar (InSAR) technique for use in new health assessment framework to monitor, manage ensure the safety levees other systems is presented this paper. To estimate yearly rate deformation both concrete grass-covered levee structures with sub-wavelength accuracy, InSAR referred as...

As the impacts of failing geotechnical infrastructure become more apparent, Structural Health Monitoring (SHM) is now commonly being applied to assets: levees, earth dams, landslides, and foundation soils. In particular, real-time monitoring programs are becoming considered essential for performance, or identifying impending failure, high-risk geosystems. This paper presents several case studies embankments slopes on Minnesota Department Transportation (Mn/DOT) projects using MEMS-based...

The work presented in this paper constitutes a major step toward the establishment of cost-effective autonomous monitoring technology for soil and soil-structure systems. Shape-Acceleration Array (SAA) takes advantage developments Micro-Electro-Mechanical Systems (MEMS) technologies. This sensor array is capable simultaneously measuring 3D ground deformations vibrations up to depth one hundred meters. significance its wireless data transmission accuracy deformation measurement. SAA situ...

The GeoExplorer project is an ongoing effort aimed at addressing educational gaps related to field testing and practical experience in geotechnical engineering education. A computer game-based module was developed supplement traditional lecture techniques take advantage of technology familiar today's students. To date, three different versions the have been implemented four higher education institutions United States 480 students total. final consisted a teach cone penetration (CPT)...

This paper presents an overview of a framework to assess the structural integrity and health earthen levees. The is being developed through project supported by NIST (National Institute Standards Technology) relies on remote sensing field monitoring data levees during environmental loading conditions natural processes degradation. consists levee displacements obtained using satellite-based interferometric synthetic aperture radar (InSAR), Global Position System (GPS) receivers,...

The Sacramento Delta levee network plays a vital role in supporting the United States' largest agricultural production and municipal water supply for millions of people. Beyond potential earthquake-induced failure, performance monitoring system on level assessment distress levels are needed maintenance rehabilitation this system. In case, critical deformation needs to be assessed especially view levees age, sea rise, ongoing subsidence due decomposition peat foundation layer. work presented...

The evaluation, health monitoring and response prediction of soil soil-structure systems during construction due to extreme hazard conditions are on the verge a significant paradigm shift. New less expensive sensing technologies have enabled development innovative instrumentation advanced interactive modeling tools. These tools, combined with recent advances in information technology including wireless sensor networking, data mining, visualization system identification, promise improvements...