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gunite shotcrete difference between gunite and shotcrete


Shotcrete is a mix of cement and sand blown through an airstream. He designed a technique where he could spray the plaster into the structure, creating the gunite method.

guide to boring directional boring


Directional boring is a trenchless way to put drains and pipe into the ground that uses a directional bore between two access pits (one at the beginning and one at the...

guided boring machine maintenance  trenchless construction


Guided boring machine maintenance requires keeping all fluid levels on the equipment full. Inspecting and washing drilling mud and other debris from the inside and...

soil layers soil types trenchless construction soil


Variations in soil and rock affect choices in design path, bit and bottom hole assembly, and machinery and mud selection. Soil is also described by six general and...

natural gas natural gas pipeline natural gas line natural gas installation


A quarter of the energy needs of the United States are met by natural gas. Through trenchless technology, it is now possible to lay natural gas pipelines without...

clogged pipes grease blocked pipe grease


Bathroom drain clogs occur when skin flakes, body oil, hair, dirt and soap build up on the walls of the drain pipe. In the kitchen, they are often caused by pouring oil...

moldy wall black mold on wall water line repair waterline damage


The most common signs of impending water line repair are leaky faucets, loss of water pressure, discolored water, and dampness or mold on walls and floors.

HDD origin Horizontal directional drilling in oil industry 1960s


Horizontal directional drilling (HDD) began in the oil and gas industry and is new in the construction industry. It was first introduced into the construction industry...

sewer outlet sewer sewer installation


Building and installing a sewer requires planning, and now, there are several trenchless constructions methods that allow the installation of a to be sewer less invasive...

trenchless construction and the environment wetlands


No-dig construction's environmental impact is staggering. The reduction of a carbon footprint, lessening the detrimental effects on wildlife in the area and reduced...

dirty water from sink corrosion rust in water


Corrosion happens to be the primary cause for maintenance related issues wherever metal is used. Cathodic protection can be applied to pipelines to protect against...

traffic construction and trenchless construction traffic diversion


Construction traffic diversions are often needed during conventional trenching, however, during trenchless projects, traffic may or may not be disrupted.

galvanized steel pipe replacing galvanized steel pipes


Galvanized steel pipes are made by dipping steel pipes into molten zinc. This coating helps prevent the pipe from corroding, however; decades of use does cause erosion...

auger drill drilling deviations technical hole deviations


Deviation is essentially departing from the intended course and ending up somewhere entirely different. Collectively, these types of deviations are called technical hole...

how to defrost frozen pipes


Depending on location and material, how to defrost frozen pipes is different for each circumstance. There are several methods used to defrost frozen pipes including pipe...

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