Pipe Ramming: 5 Methods Used in Horizontal Directional Drilling
Pipe ramming techniques for use during horizontal directional drilling include pullback assist and bore salvage, ending the need for...
Latest
Why Proper Disposal of Used Drilling Fluid Should Be a Crucial Trenchless Planning Step
Every contractor should consider the environmental regulations regarding waste disposal prior to bidding, because today drilling waste management has become a major part...
An In-Depth Look at the Role of Drilling Fluid Systems in Trenchless Construction
Drilling fluid selection and management should start even before bidding on a job, as the quality of drilling mud can be the difference between the life and death of a...
NASTT Executive Director Michael Willmets On the Success of NASTT's Annual No-Dig Show
The annual NASTT No-Dig Show is highly regarded as one of the best events for trenchless technology, and trenchless professionals look forward to it each year.
Understanding Drilling Fluids Solids Control with Horizontal Directional Drilling Rigs
Horizontal directional drilling fluid poses environmental problems if not disposed of properly. However, through the use of solids control mechanisms, the overall life...
Corrosion Mechanisms of Buried Pipes
Metal pipes are subject to corrosion irrespective of their environment, unless they are protected. Corrosion primarily weakens a pipeline by attacking its structure,...
Mixing the Mud: The Science of Drilling Fluid in HDD
Drilling fluid is the life fluid of a trenchless project; it can literally make or break a borehole. Therefore, managing and selecting the right drilling fluid is...
The Hydraulic Fracturing Technique: Things You Should Know
Hydraulic fracturing technique uses hydraulic fluid with additives. This fluid affects the fracture orientation and length, which workers need to understand before...
Understanding the Differences Between Pigging and Robotic Pipe Inspection Methods
Pigging and robotic inspection have become important parts of trenchless operations, but before deciding, you need to make cost estimates in order to determine the most...
3 Essential Tips for Pressure Testing Your Ground Heat Exchanger System
A successful ground heat exchanger pressure test uses water not air to pressurize the line.
Testing In-Situ Stress: What You Need to Know and Why It Matters
Understanding the magnitude and nature of in-situ stresses is essential to help determine soil behavior and characteristics at the site location.
Carrying Out In-Situ Stress Measurements: Hydraulic Fracturing Vs. Overcoring Methods
Carrying out in-situ stress measurements can be accomplished by using either hydraulic fracturing or overcoring methods. Both offer a unique way to obtain vital data for...
Utility Tunneling Vs. Pipe Jacking Trenchless Construction Methods
Take a look at the utility tunneling and pipe jacking trenchless construction methods, and discover how their key differences play a crucial role in your decision.
Trenchless Industry Experts Share What Innovations They See on the Horizon in 2019
We went to NASTT’s No-Dig Show 2019 to seek out trenchless engineers and underground infrastructure professionals to find out what new trenchless technology innovations...
Understanding Construction Emissions: What’s Causing Greenhouse Gases & How We Can Improve
Greenhouse gas emissions are a real concern for those in the construction industry. Understanding the cause can help planners choose the right method to reduce their...
Understanding Key Laboratory Testing Methods for Site Investigation
Soil investigation, both intrusive and laboratory testing, can be a life-saver in terms of cost and time. These tests help the contractor to select the best tool to get...
Experts
What equipment has improved wastewater management?
Wastewater management involves the oversight of the processes and procedures used during the treatment of wastewater. This field ensures that contaminants are removed...
Why Is a steel casing pipe recommended for pipe ramming in the horizontal boring method?
Pipe ramming is a trenchless construction technique used to install underground utilities, pipes, ducts, conduits, and culverts. It involves using a pneumatic or...
What are the most common causes of residential water or sewer disruption?
Water and wastewater plumbing are some of the most crucial elements in any residential or commercial building. However, since these components are typically buried and...
What are the differences between a TBM and a MTBM?
Tunnel boring machines (TBMs) and microtunnel boring machines (MTBMs) are used to construct underground tunnels and passages with circular cross-sections. They both use...
How does a tunnel boring machine (TBM) control the subsidence of the ground above the trenchless installation?
Soil subsidence, also known as settlement, is defined as a downward vertical movement of the ground, generally caused by changes in stresses within the soil. Subsidence...
