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An Introduction to Trenchless Technology (Hardcover, 1992 ed.)
Loot Price: R2,923
Discovery Miles 29 230
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An Introduction to Trenchless Technology (Hardcover, 1992 ed.)
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In the past decade, the field of trenchless technology has expanded
rapidly in products, equipment, and utilization. This expansion
would not have occurred without a strong increase ineconomic
incentives to the user. Because theoperating environment has
changed, trenchless technology is often the preferred alternative
to traditional methods of digging holes and installing conduits.
The infrastructure in which we live has become more congested and
has to beshared by several users. In addition, the cost of
restoring a road or landscaped area after construction may be
higher than the cost of installing the conduit. These factors add
to the need for trenchless technology-the ability to dig holes
without disturbing the surface. In some ways, trenchless technology
is a futuristic concept. Ruth Krauss in a
children'sbookofdefinitions wrote,"AHole...Is to Dig." But
thisstatement is not necessarily true. Today, a hole could be to
bore. Trenchless technology is not new. But it certainly has become
the buzzword of the construction industry and it appears that it
will have a growing impact in the way contractors, utilities, and
others install new facilities. Methods to bore horizontal holes
were practiced as early as the 18005, but this technology has
greatly changed. Today's tools include sophisticated drilling
methods, state-of the-art power systems, and electronic guidance
techniques. These tools can bore faster, safer, and more
accurately, and in many instances more economically, than open-cllt
methods. Technology has played an important role in these advances,
but economics has become the driving force in making these systems
popular."
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