The underground engineering and construction industries rely heavily on past experience and new technologies. It is our philosophy that we can best serve our clients by contributing to this experience base through active participation in professional organizations and by publishing technical and management papers in various industry forums. We are pleased to offer a selection of our published papers, and welcome your feedback and exchange of ideas.
| Assessment and Implementation of Rock Slope Support Measures Beneath the Golden Gate… |
2011 |
| Chemistry and Physics Behind Microtunnnel Slurries |
2011 |
| Challenges and Success of the Cutter Soil Mixing Method for Tunneling Shafts |
2011 |
| MTBM Rescue Using Pipe Ram Assist |
2011 |
| Single-Shell Synthetic Fiber Shotcrete Lining for SLAC Tunnels |
2011 |
| Slurry Management for Microtunneling Projects |
2011 |
The Use of Glass-Fibre Reinforced Plastic on the Northern Sewerage Project Stage… |
2011 |
| The Use of Glass-Fibre Reinforced Plastic on the Northern Sewerage Project Stage… |
2011 |
| The Use of Glass-Fibre Reinforced Plastic on the Northern Sewerage Project Stage… |
2011 |
| Water Tunnel Condition Assessment: A Comprehensive Approach to Evaluating Reliability… |
2011 |
| Culvert Replacement Using Pipe Ramming Tunneling, or Pipe Jacking |
2010 |
| DCWASA’s Project Delivery Approach for the Washington DC CSO Program |
2010 |
| Deep Tunnels in Poor Rock Conditions and High Water Head; How Much Can We Ask of… |
2010 |
| Geotechnical and Design Challenges for TBM Selection on the ICE Tunnel |
2010 |
| Geotechnical Investigations and Ground Characterization―The New Irvington Tunnel… |
2010 |
| Geotechnical Investigations for the Anacostia River Projects |
2010 |
| Grade Control for Microtunnels in Very Loose and Very Soft Soils |
2010 |
| Linear Schedules for Tunnel Projects |
2010 |
| Microtunnel Jacking and Receiving Shafts Constructed Using Cutter Soil Mixing (CSM)… |
2010 |
| The Sunnydale CSO Tunnel—Dealing with Urban Infrastructure |
2010 |
| Bay Tunnel—Design Challenges |
2009 |
| Contingency Planning for Microtunneling: An Essential Activity |
2009 |
| Design Considerations and Evaluation Process for a New Tunnel and Ocean Outfall Project… |
2009 |
| Feasible Tunnel Construction Options for The Systems Conveyance & Operations Program… |
2009 |
| Geotechnical Baseline Reports—A Review |
2009 |
| NATM Strategies in the U.S.—Lessons Learned from the Initial Support Design for… |
2009 |
| Peanuts and Tunnel Stuffing—The Brightwater Conveyance System East Contract |
2009 |
| Pipe Ramming a 60-In. Casing Under BART |
2009 |
| Pipe Ramming Under Three Active Railroad Lines in Difficult Soil Conditions |
2009 |
| Selection, Design, and Procurement of North America’s Largest Mixshield TBM for… |
2009 |
| Design Analyses for a Large-Span Tunnel in Weak Rock Subject to Strong Seismic Shaking… |
2008 |
| Design of NATM Initial Support on the Caldecott 4th Bore |
2008 |
| Design of the University Link Tunnels and Stations |
2008 |
| Effect of Weathering on Strength and Modulus of Basalt and Siltstone |
2008 |
| Geotechnical Conditions and TBM Selection for the Bay Tunnel |
2008 |
| NATM/SEM Analyses for San Francisco’s Transbay Extension Tunnel |
2008 |
| Northern Sewerage Project—Liner Selection in a Corrosive Environment |
2008 |
| Precast Concrete A Unique Application |
2008 |
| Raw Water Tunnel Condition Assessment |
2008 |
| Seismic Analyses of the Bay Tunnel |
2008 |
| The Great Salt Lake Causeway—Its Recent History and Current Maintenance Program… |
2008 |
| Seismic Design Evaluation of the Bay Tunnel |
2008 |
| Tunnel Design and Construction in a Franciscan Melange |
2008 |
| Utilization of Strain Measurements on Shielded Tunnel Boring Machines |
2008 |
| Drop Shafts for Narragansett Bay Commission CSO Abatement Program, Providence, RI… |
2007 |
| Evaluation of Large Tunnels in Poor Ground—Alternative Tunnel Concepts for the… |
2007 |
| Excavation and Support of a Water Tunnel through the Hayward Fault Zone |
2007 |
| Joint Water Pollution Control Plant Tunnel and Ocean Outfall Project |
2007 |
| Microtunnelling to Help Clean up Portland’s Willamette River |
2007 |
| New Test Methodology for Estimating the Abrasiveness of Soils for TBM Tunnelling |
2007 |
| Planning and Design of the Bay Tunnel |
2007 |
| Preliminary Design of the Caldecott Fourth Bore |
2007 |
| Transbay’s Downtown Rail Extension |
2007 |
| Global and Structural Stability Assessments of Fort Mason Tunnel for Seismic Rehabilitation… |
2006 |
| Role of Engineering Geology on Rehabilitation of Likelike Highway Wilson Tunnel |
2006 |
| Design Evaluations for the San Vicente Pipeline Tunnel |
2005 |
| Design of the Brightwater Conveyance Tunnels |
2005 |
| Pre-Excavation Grouting Design Guidelines for Hard Rock Excavations |
2005 |
| Problems Encountered on the Upper Reach of the Northeast Interceptor Sewer Project… |
2005 |
| Seismic Design Measures for the Retrofit of the Claremont Tunnel |
2005 |
| Trapezoidal Tapered Ring—Key Position Selection in Curved Tunnels |
2005 |
| Fast-Track Design and Installation of a 30-inch Casing Pipe Crossing of the Ventura… |
2004 |
| Multiple Tunnels in Soil with Shotcrete Linings on Tren Urbano, San Juan, Puerto… |
2004 |
| New Methods for Building Protection from Settlement Due to Underground Transit Transit… |
2003 |
| Predicted and Observed Groundwater Into Two Rock Tunnels |
2003 |
| Riverside Badlands Tunnel, Inland Feeder Project: The Challenges Between Concept… |
2003 |
| Behavior of a Single Gasket System for a Precast Concrete Segmental Liner Subject… |
2002 |
| Design and Construction of a Deep Excavation for the Lake Mathews Outlet Facilities… |
2002 |
| NATM in Soft-Ground: A Contradiction of Terms? |
2002 |
| Structural Design and Testing of a Bolted and Gasketed Pre-Cast Concrete Segmental… |
2002 |
| An Approach to the Classification of Weak Rock for Tunnel Projects |
2001 |
| Design and Construction of a Large Diameter Wine Cave in Weak Rock |
2001 |
| Design and Construction Performance of a Large Diameter Tunnel—Soft-Ground—The… |
2001 |
| Engineering Geology and Ground Improvement of the Islais Creek Tunnels, San Francisco… |
2001 |
| Hong Kong Strategic Sewage Disposal Scheme Stage I Deep Tunnels |
2001 |
| M5 East Tunnels: A Flat Roofed, Bolt and Shotcrete-Lined Highway |
2001 |
| New Developments in Microtunneling |
2001 |
| Overcoming Difficult Ground Conditions in San Francisco—The Richmond Transport… |
2001 |
| Seismic Upgrades of the Claremont Tunnel |
2001 |
| Tunneling Through Cobbles In Sacramento, California |
2001 |
| City of Los Angeles Large-Diameter Interceptor Sewer Tunnels |
1999 |
| Design Methodology Used for the Lake Mathews Outlet Facilities Project |
1999 |
| Freezing to Tanking: Challenges of the City Link Driven Tunnels |
1999 |
| Tunneling on the Tren Urbano Project, San Juan, Puerto Rico |
1999 |
| Design and Construction of the New Tunnel at Genting Sempah, Malaysia |
1997 |
| Design of the Metrowest Pressure Tunnel |
1997 |
| Primary Support Design for Large Span Tunnels in Weak Rock: The Melbourne City Link… |
1997 |
| Design Challenges of the San Bernardino Mountains Tunnels along the Inland Feeder… |
1996 |
| San Francisco CSO |
1995 |
| Precast Concrete Segmental Linings—Practical Considerations |
1987 |
| The Jacobs Sliding Floor: Current Competitive Applications |
1987 |
| Tunnel Construction by TBM Sand Bar Hydroelectric Project |
1987 |
| An Innovation in Machine Tunneling |
1974 |
| Ground Support Prediction Model RSR Concept |
1974 |
| Tunnel and Shaft Systems: Today and Tomorrow |
1968 |
