Trenchlesspedia

Different Ways to Prepare a Pipeline for Pipe Bursting

Pipe bursting is a versatile method for replacing aging or damaged pipelines. While this technique offers a wide range of benefits, it also requires…

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

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Trenchless Construction
Everything You Need to Know About Pipe Jacking

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Trenchless Construction
A Step-by-Step Guide to HDD

By: Denise Sullivan | Technical Writer @ Trenchlesspedia

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Trenchless Rehabilitation

Invert Level

An invert level is defined as the elevation of the inside-bottom of a pipe, trench, culvert, or tunnel. It may also be considered the "floor level" of a pipe. Invert levels are essential for assessing the flow in a piping system. For example, the invert of a municipal sewer…

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Trenchless Construction

Hydraulic Radius

Hydraulic radius, R, a measure of channel flow efficiency, is defined as the ratio of the cross-sectional area of fluid flow, A, to the length of the wetted perimeter, P. R=AP The hydraulic radius is one of the main properties that control the amount of fluid discharge of a channel and…

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Trenchless Rehabilitation

Hoop Stress

Hoop stress is the stress that occurs along the pipe’s circumference when pressure is applied. Hoop stress acts perpendicular to the axial direction. Hoop stresses are tensile and generated to resist the bursting effect that results from the application of pressure. Three principal…

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Trenchless Construction

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

Microtunneling and horizontal directional drilling (HDD) are trenchless pipeline installation methods that are used extensively for laying pipelines. When two such tried and tested methods are combined, the result is usually a hybrid that incorporates the advantages of both methods. The…

By: Tabitha Mishra

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Trenchless Construction

Everything You Need to Know About Pipe Jacking

Pipe jacking is a term that describes a specific trenchless pipeline installation technique. It's also used in conjunction with other trenchless methods, such as horizontal auger boring and microtunneling, where the jacking process is used to push in a pipe into a prepared borehole.…

By: Tabitha Mishra

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Trenchless Construction

A Step-by-Step Guide to HDD

Horizontal directional drilling (HDD) is a conventional method employed by cities and construction workers to install utilities and plumbing underground. Unlike traditional underground installation, HDD does not require open trenches to complete. Equipment Needed for HDD As horizontal…

By: Denise Sullivan

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Trenchless Methods

What are some of the new trenchless technologies being used to minimize carbon emissions?

The construction industry has been in the spotlight forever when it comes to carbon emissions. Construction accounts for almost 1/3rd of global energy consumption, and thus is responsible for the same amount of carbon dioxide emissions. To minimize the global carbon footprint left behind…

By: Bertus Vos | Co-Founder and Principal Engineer, BlueFox Engineering

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Trenchless Rehabilitation

What is the role of bypass pumping and when is it used?

Aging sewer pipelines is a growing concern in many municipalities. This issue has led to an increase in activity aimed at rebuilding or rehabilitating current sewage infrastructure. However, it is often necessary that existing sewer systems remain operational during ongoing construction…

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Trenchless Construction

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 a drilling mechanism, known as a cutting head, to remove material and advance the equipment forward. However, both these…

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Latest Articles

Trenchless Construction
Trenchless Pipe Installation: Minimizing Disruption and Controlling Costs

In the realm of underground infrastructure repair or installation, trenchless technology has revolutionized how professionals approach projects. This innovative method…

By: Chad Decker | Founding Partner, Devco Development and Engineering
Underground Utilities
5 Methods for Non-Disruptive Utility Installation

Installing utilities like water, electricity, gas, and telecommunications infrastructure often involves disruptive processes that can inconvenience communities, disrupt…

By: Trenchlesspedia Staff
Horizontal Auger Boring
What is Horizontal Auger Boring & How Does it Work?

Horizontal Auger Boring offers a streamlined approach to installing underground pipelines, conduits, and cables without the need for extensive excavation. But, like any…

By: Trenchlesspedia Staff
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Trenchless Construction
What is the Difference Between Trenchless and Cut and Cover?

There are two primary methodologies within the realm of underground construction: trenchless and cut-and-cover. Both methods have distinctive characteristics and…

By: Trenchlesspedia Staff
Trenchless Technology
How to Choose the Right Trenchless Equipment for Your Site

Trenchless methods are efficient and environmentally sustainable options for many projects, but require careful consideration of the equipment used. To select the most…

By: Trenchlesspedia Staff
Trenchless Repair
How Affordable is Trenchless Pipe Repair vs Traditional Repair?

In the fields of engineering and construction, pipe repair is essential to the upkeep and maintenance of infrastructure. My role as a managing partner at Devco…

By: Chad Decker | Founding Partner, Devco Development and Engineering
Pipe Bursting
Pipe Bursting Methods: Understanding the Key Techniques

Pipe bursting is an advanced trenchless solution designed to replace deteriorating pipes without the need for extensive excavation. By employing different techniques,…

By: Trenchlesspedia Staff
Trenchless Construction
What to Consider When Choosing a Trenchless Boring Method

When it comes to trenchless excavation, choosing the right trenchless boring method is crucial to the success of your project. Trenchless boring, also known as…

By: Trenchlesspedia Staff
Horizontal Directional Drilling
Comparing Horizontal Directional Drilling and Auger Boring

Horizontal directional drilling (HDD) and auger boring are two common methods of trenchless excavation used in construction projects. Both methods offer unique benefits…

By: Trenchlesspedia Staff
Microtunneling
The Difference Between Pipe Jacking and Microtunneling

Trenchless technology has revolutionized the construction industry in the past few decades. With the advent of trenchless techniques like pipe jacking and…

By: Trenchlesspedia Staff
Fracture Mechanics
Pressure: Why It’s the Key to Preventing Inadvertent Returns

The inadvertent return of drilling fluid is common in horizontal directional drilling (HDD) projects, and though not harmful to the environment, inadvertent returns are…

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Trenchless Methods
Environmental Inspection: The New Normal for Trenchless Projects

Requirements for horizontal directional drilling (HDD) environmental planning and construction monitoring vary greatly across North America, but regulatory obligations…

By: Trenchlesspedia Staff