Spin, Spin, Spin
A scalable, vertical axis windmill tower with dynamic shutters that decrease wind loading on the structure has won an energy efficiency design contest....
Calibration of Jackup Leg Foundation Model Using Full-Scale Structural Measurements
The fitness of jack-up rigs to operate in varying water depths and weather conditions is determined by "site-specific" structural assessments. These assessments are conducted by a wide range of companies...
Heave Compensated Landing System - A Novel Tool for Subsea Intervention
This paper presents a new intervention system that allows the use of a low cost workboat to deploy and recover delicate payloads in subsea installations. Vessel motions are decoupled from the subsea package...
GEER Response to the Oso Landslide: Documenting Perishable Details Helps Turn Disaster into Knowledge
Two months after the disastrous March 22, 2014 landslide near Oso, Washington, GEER representatives visited the affected area to gather data. This article is based on the report generated...
Pipe Characteristics
Microtunneling pipe should meet the following general requirements: Circular shape with a flush outside surface (including at the joints); Strength sufficient to withstand both the installation...
Pile-Driving Formulas for Friction Piles in Sand
Dynamic pile-driving formulas are widely used in predicting the load-carrying capacity of friction piles and in writing pile-driving specifications. Further, when load tests are available,...
Design and Installation of Auger Steel Catenary Risers
The Auger export pipelines are connected to the TLP by steel catenary risers (SCRs). This is believed to be the first time steel pipe has been used for catenary risers. SCRs offer advantages...
Geo-Shanghai 2014
Proceedings of the Geo-Shanghai 2014 International Conference, held in Shanghai, China, May 26-28, 2014. Sponsored by the Geo-Institute of ASCE. These...
Adapt to Dynamic Conditions and Practice
This chapter discusses the fourth guiding principle for critical infrastructure: adapt critical infrastructure in response to dynamic conditions and practice....
Evaluation of a Bias Aware Ensemble Kalman Filter Using a Scaled Aquifer Transport Experiment
In this study, a bias-aware Ensemble Kalman Filter (EnKF) is applied to a scaled aquifer transport experiment (1-cm of the model equals 1-m at field scale and 1-day of model transport...
Guidelines for the Testing of Seismic Isolation and Energy Dissipating Devices
This report outlines the HITEC Technical Evaluation Plan for seismic isolation and energy dissipating systems. The plan is designed to characterize the fundamental properties and performance...
Geo-Frontiers 2005
These Proceedings showcase recent advancements in all facets of the geo-industry. Geo-Frontiers was conceived to present the frontier of civil, geotechnical, and geoenvironmental engineering....
Analysis of Dynamic Laterally Loaded Pile in Clay
Deflections of laterally loaded pile groups are strongly affected by the degree of pile head fixity. If the cap provides perfect restraint against rotation, deflections are only about...
Power Shift
Engineers designing a Manhattan skyscraper with offices in the lower floors and residences in the upper found that they had to employ several unusual methods to accommodate client needs....
Lesssons Learned from Experience Dealing with Risks of Extreme Events: Part II
For every known IS vulnerability, there is a matching countermeasure. However, we do not know all IS vulnerabilities. The following tasks are geared towards identifying IS vulnerabilities,...
Guidelines for Testing Large Seismic Isolator and Energy Dissipation Devices
This report outlines the HITEC Technical Evaluation Plan for large seismic isolator and energy dissipation devices. The plan is designed to characterize the fundamental properties and...
Breakwaters '99
First International Symposium on Monitoring of Breakwaters
The papers present state-of-art methods and technologies that are used in the structural and environmental monitoring of rubble mound breakwaters. Structural monitoring concerns the structural...
A Grand New Bridge
Approximately 65 km south of Seoul, rising above the Asan Bay, the Seohae Grand Bridge now stands as the longest bridge in South Korea. The 9.4 km long cable-stayed bridge, which runs...
New Parameters to Model Ground Motions
The paper presents three new parameters to characterize earthquake-induced ground motions. All three parameters evolve from the concept of response spectra, and are termed 3D response...
Dynamic Response of Lattice Towers and Guyed Masts
Prepared by the Task Committee on the Dynamic Response of Lattice Towers of the Technical Committee on Special Structures and the Technical Administrative Committee on Metals of the Structural...
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