Tensile deformation can be defined as the tendency of a material to change shape or deform when a tensile force is applied. Deformation takes place when due to tensile strain on elastic material, internal intermolecular forces oppose the applied force. If the intermolecular forces can overcome the… View Full Term
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Trenchless construction requires a wide variety of tools and equipment, and here’s where you can learn all about them. From entire drilling rigs, down to the thread compound for drill rods, this is your source for equipment info.
The field of hydrogeology is made up of two components: hydrology, the study of the movement, distribution, and management of water on Earth; and geology, the study of…
By: Krystal Nanan | Civil Engineer
Down-the-hole (DTH) drilling has made it easier for contractors to drill wells faster and more efficiently, and to transition from dirt boring to rock boring just by…
By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Frac-out is defined as an unintentional or inadvertent loss of drilling fluids during a drilling operation from the borehole to the ground surface from points other than…
Drilling fluid performance is a key contributor to the success of a drilling operation. The purpose of this fluid is to keep the drill bit cool, carry the cuttings out…
By: Phil Kendon | Technical Writer @ Trenchlesspedia
Horizontal auger boring (HAB) uses a combination of jacking to push pipe casings into the soil and an auger to remove the spoil from the inside of the casings as they…
In its basic components drilling mud (drilling fluid) is bentonite clay and water mixed with some polymer additives to give it the required gel strength, viscosity and…
Directional drilling has been around for some decades but it was only in the 1990s that directional drilling started being used for underground construction. Drilling…
Controlling solids in the horizontal directional drilling is an integral part of equipment maintenance. Project managers knew that disposal of the drilling fluid is both…
By: Denise Sullivan | Technical Writer @ Trenchlesspedia
Work at a construction site always begins with a geological survey of the area. It is essential that workers understand the ground conditions before performing any…
Every trenchless project needs a method to remove excavated soil from the bore. Some methods use augers, while others could even be hand excavated. But, many trenchless…
Fracture mechanics is the study of crack propagation in solid materials. On a drilling station, fracture mechanics are used to helping determine borehole stability and…
Horizontal directional drilling (HDD) has been successfully used in drilling oil and gas wells, and more recently in installing water and sewer lines beneath busy city…
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