Latest


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...

How These Top Geotechnical Investigation Trends Are Shaping the Future of Trenchless Technology


As technology advances, geotechnical investigation methods are becoming more advanced and more effective. Here are 5 trends in geotechnical investigation that are...

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...

The Geotechnical Investigation: Which Method Should We Use?


A geotechnical investigation is mostly done in an effort to identify the soils and ground conditions contractors will be working with. For this, soil sampling is a key...

Why a Detailed Geotechnical Report Means Success for Your Trenchless Project


A comprehensive geotechnical report is an all-important first step in the planning process to ensure that your trenchless project runs smoothly.

What Lies Beneath: The Top 3 Intrusive Site Investigation Methods


Intrusive site investigations provide a firsthand look at what's beneath the surface, and using these methods, one can gather information unobtainable with non-invasive...

The Importance of Continuing Education for Trenchless Professionals


Continuing education is a necessary part of keeping abreast of all the new technologies and procedures affecting the trenchless industry. Rapid growth and innovation...

The Dangers of Leaks in Slab-on-Grade Foundations: 5 Early Signs To Watch For


Cracks, leaks, bursts or other piping defects can often occur undetected in slab-on-grade foundations until physically manifesting on the surface of the slab. That's why...

Slurry Pump Capacity & Flow Rates Explained: Sizing Slurry Pump Capacity to Match Project Conditions


Sizing a slurry pump correctly is a critical part of the pump selection process. This ensures that it will operate within its design parameters, avoiding premature pump...

6 Signs That Your Sewer System Needs Repair


Sewer problems are issues you hope to never have to deal with. However, sewer lines are susceptible to wear and damage, which can lead to unpleasant and inconvenient...

Prevention Is Better Than Cure: How Remote Pipeline Inspections Save You Time and Money


Camera inspection methods are becoming popular with home and business owners because unlike conventional methods, camera inspections allow pipeline issues to be...

Inflow and Infiltration Effects on Sewage Systems


Failing to maintain the sewage system pipeline can cause inflow and infiltration into the system. With an increased amount of water in the lines, there is a danger of...

Understanding the 4 Stages of Site Investigation


Site investigation is an integral part of any construction project, and should be attributed as much significance as any other part of the project. It has four basic...

The Direct Pipe Method: Combining the Benefits of HDD and Microtunneling


Direct pipe is a hybrid method incorporating the benefits of HDD and microtunneling, while setting aside tedious, time-consuming processes associated with them. This...

Experts


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...

Are rheological properties important in the drilling fluid on HDD projects?


Yes, very important! The following is a basic explanation based on using what is known as The Bingham Plastic Model.Plastic Viscosity (PV), Yield Point (YP) and Gel...

How Does Ground Penetrating Radar Equipment Work?


Ground penetrating radar (GPR) is a non-destructive geophysical technique used to determine the cross-sectional profiles of subsurface geological features and objects...

Why Is the sequential excavation method (SEM) preferred where existing structures such as sewers or subways can't be relocated?


Tunneling near existing structures, such as sewers and subways, usually presents a number of challenges. As tunnel boring machines (TBM) advance through the intended...

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