Intelligent Geo-Construction Drilling Equipment: Delivering More Than Meets the Eye
The complexity, risk, and demands of engineered geo-structural projects have increased, seemingly exponentially, through the years. Physical and capital resources to deliver such projects, however, have...
Skinny 'Scrapers
Incredibly slender towers are rising around the globe into the skylines of major cities, especially New York City. Often targeted at the wealthy who are able to pay astronomical price for spectacular views,...
Guidelines for Construction Vibrations: How Much Rattle is Too Much?
The study of construction/blast-related ground vibrations on structures, people, and objects is a surprisingly diverse field. Vibration sources vary from blasting, all types of construction equipment,...
Military Geotechnics in the Ancient World: Geo-Innovating the Hard Way
The technical expertise that is now part of geotechnical engineering was of paramount importance in the ancient worlds. This is because before, but also after, the invention of siege equipment, nearly...
The Evolution of Launched Soil Nails: A 30-Year Retrospective
Launched soil nails are a unique remedial technology in the geotechnical construction toolbox. These 20-ft-long, 1.5-in.-diameter nails are installed in a single shot using a compressed air "cannon" at...
A History of Deep Vibratory Methods for Ground Improvement: A Cost-Effective Foundation Solution for 80+ Years
Deep vibratory ground improvement methods, collectively referred to as vibro systems, have been utilized by the construction community in one form or another for the past 80 years. Development of the equipment,...
Machine Performance
Annular Thickness, Annulus, and Annular Space; Overcut; Slurry or Auger System; Cutter Wheel Design and Select; Slurry Separation Plant; Buried Objects and Obstruction; Steering....
Shafts/Temporary Structures
Shafts should be of a size to accommodate the equipment and pipe selected and to allow for safe working practices. If the shaft must accommodate the permanent works, it is the contractor's...
Instrumentation and Monitoring
A detailed plan for monitoring possible ground surface movements caused by the microtunneling operations should be prepared. The plan is typically prepared by the engineer in consultation...
Microtunneling Equipment
A discussion of microtunneling equipment in the context of the design aspects of a microtunneling project is applicable only to the extent that the engineer must set forth in the contract...
The Future of Underground Construction Monitoring
In the past 15 years, the tools and techniques used to monitor the performance of existing ground and surrounding structures during construction have improved significantly. Practice is...
Improving Construction Quality by Seeing What's Hidden Underground
One of the challenges of deep foundation projects is the inability to see what's being built at depth. Construction is hidden below ground, in soil or rock conditions that...
Dynamic Analysis of Equipment Structure Systems
Equipment
This chapter examines the types and sizes of equipment required to drill grout holes, proportion and mix grout materials, and deliver and inject grout into the holes in an underground...
Recent Advances in Foundation Equipment
Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants
Biological Nutrient Removal (BNR) Operation Wastewater Treatment Plants instructs readers in the theory, equipment, and practical techniques needed to optimize BNR in varied environments,...
The Road from Kabul to Kandahār
To have any hope of successfully rebuilding its ware-ravaged economy, Afghanistan will need a reliable transportation infrastructure. Reconstruction this heavily mined highway under a...
Assembly and Erection
This chapter is intended to provide recommendations on transporting, handling, assembling, and erecting fiber-reinforced polymer (FRP) poles. An important consideration is that FRP poles...
Lifting Collars and Lifting Equipment
The terms lifting collars and shear heads are used interchangeably in the industry. In this book the term lifting collar is used since it is a unique term applicable to lift-slab construction...
Support Equipment
This chapter provides an overview of water and wastewater support equipment. Checklists are included....
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