Moretrench

Articles

Ground Stabilization for Urban Tunneling


TBM: Tunnel Business Magazine, August 2010
This feature article explores the geotechnical methods available to facilitate soft ground, mixed face and shallow-cover rock tunneling,  and associated work such as deep access shaft construction, under dense urban conditions.

Download TBM_2010-Urban_tunneling.pdf


Overcoming the Challenges of New England’s Water & Soil Conditions


Construction Outlook – A publication of the Utility Contractor’s Association of New England, September 2009
Profiling the work of Moretrench and its subsidiary Ground/Water Treatment & Technology in the New England Region

Download Connstruction_Outlook.pdf


Soil Nails and Poly-Fiber Shotcrete Support Robert Wood Johnson University Hospital Proton Therapy Building Excavation


Foundation Drilling, The magazine of The International Association of Foundation Drilling, December/January 2010
This cover feature article describes installation of permanent soil nail earth support in tight, limited-access conditions for construction of an underground addition to one of the nations’ leading academic medical centers.

Download Foundation_Drilling_01_10_001.pdf


Brightwater’s Ballinger Way Portal Presents Deep Shaft Ground Freezing Challenges


Tunneling & Underground Construction, June 2009
A detailed case study of how ground freezing met the challenge of  shaft sinking to 216 feet below grade through a complex and challenging soil profile characterized by multiple groundwater tables.

Download Brightwater-TUC.pdf


Grouting for Ground Improvement & Water Control


Trenchless Technology, May 2009
From straightforward void filling to the complex and challenging protection of historic or sensitive structures during subsurface work, grouting plays an important role in many below-grade construction projects. Read about grouting techniques and their applications to specific subsurface conditions.
Via mail only

Innovative Micropile Retrofit of an Existing Structure


Deep Foundations - The Magazine of the Deep Foundations Institute, Summer2008
A detailed technical case study of emergency-response micropile retrofit to correct severe settlement of an underground structure that occurred as a result of basal failure.
Via mail only

Got Water? – Treatment Methods for Contaminated Water Cleanup


Tunnel Business magazine, February 2008
Whether naturally occurring or generated by mining operations, water in the excavation represents a problem on virtually all tunneling projects worldwide. Read about treatment system integrated design and operation and the successful resolution of several challenging projects.
Via mail only

There’s More to Moretrench


New Jersey Constructor, Summer 2007
A variety of projects undertaken in New Jersey by Moretrench’s Geotechnical Division are presented, together with an overview of the company.

Download Theres_more_to_moretrench.pdf


Ground Freezing a Proven Technology in Mine Shaft Sinking


Tunneling & Underground Construction, June 2007
This informative article traces the 150-year history of ground freezing, discusses principles and quality control measures, and presents several noteworthy case studies.

Download Ground_Freezing_a_proven.pdf


Ground Freezing and Bracing Keep Tall Manhattan Hotel-Condo on Track


New York Construction, 2007
Most engineers and construction teams working in Lower Manhattan are forced to find ways to work around the area’s high water table and the foundation excavation problems it can cause. Read about how an unusual application of ground freezing aided excavation for a deep elevator shaft pit on a tight site.
Via mail only

Geotechnical Solutions - An Alternative Approach to Soft Ground Tunneling


Tunnel Business Magazine, April, 2006
Soft ground tunneling arguably remains the most challenging of underground construction operations. The wide range of geotechnical methods available to aid soft ground tunneling operations are discussed, together with project examples.

Download Geotechnical_Solutions.pdf


Is Tunnel Vision Doing Dewatering a Disservice?


Tunnel Business Magazine, December, 2005
Dewatering can have an enormous impact on the success or failure of an underground construction project. Learn more about the misunderstandings associated with dewatering, the value of a properly designed and implemented groundwater control system, design approaches, and a success story in Seattle.

Download Is_tunnel_vision.pdf


Ground Freezing Aids Water Tunnel Construction


Tunnel Business Magazine, December, 2005
Construction of New York City Water Tunnel Number 3 represents the largest capital construction project in the city’s history. Read how ground freezing aided the construction of several large-diameter shafts that connect to the tunnel deep within the underlying rock formation.

Download Ground_Freezing_Aids.pdf