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Topic: Lattice steel pylon


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In the News (Tue 29 Dec 09)

  
  Electricity pylon - Wikipedia, the free encyclopedia
The towers are usually steel lattices or trusses (wooden structures are used in Germany in exceptional cases) and the insulators are generally glass discs assembled in strings whose length is dependent on the line voltage and environmental conditions.
Pylons used for single phase AC railway traction lines are similar in construction to pylons used for 110 kV-three phase lines.
anchor pylons (or strainer pylons) utilize horizontal insulators and occur at the endpoints of conductors.
en.wikipedia.org /wiki/Pylon   (1332 words)

  
 Lattice tower - Wikipedia, the free encyclopedia
A lattice tower is a freestanding steel framework tower.
It is used as pylon especially for voltages above 100 kilovolts, as radio tower (as well as selfradiating tower or as carrier for aerials) or as observation tower.
The tallest lattice tower built of wood was at Muehlcker.
en.wikipedia.org /wiki/Lattice_tower   (233 words)

  
 Pylon   (Site not responding. Last check: 2007-10-03)
The towers are invariably steel (lattice/truss) (wooden structures are used in Germany in exceptional cases) and the insulators are generally glass disc insulators assembled in strings whose length is determined by the line voltage and environmental conditions.
Lattice towers can be assembled lying on the ground and be put up by means of push pull cable but this method is rarely used because of the large assembly area needed.
Occasionally on pylons (in particular on steel framework masts for the highest voltage levels) antennas for low power UKW radio and television stations and for mobile phone services or radio systems are installed.
www.free-download-soft.com /info/pylon.html   (996 words)

  
 LATTICE FACTS AND INFORMATION   (Site not responding. Last check: 2007-10-03)
In nontechnical usage, a lattice is a structure of crossed laths with open spaces left between them; see also lattice tower, lattice steel pylon, lattice bridge.
The elements of a lattice are regularly spaced, reminiscent of the intersection points of a lath lattice.
The concept is used in materials science, in which a lattice is a 3-dimensional array of regularly spaced points coinciding with the atom or molecule positions in a crystal.
www.faeryvamp.com /lattice   (431 words)

  
 Pylons peee.org   (Site not responding. Last check: 2007-10-03)
A pylon is a tall steel lattice structure used to support overhead electricity conductors for electric power transmission.
The towers are usually steel lattices or truss es (wooden structures are used in Germany in exceptional cases) and the insulators are generally glass discs assembled in strings whose length is dependent on the line voltage and environmental conditions.
The pylons crossing the Pylons of Cadiz, Spain are 158 meters high.
www.peee.org /en/pylons   (1315 words)

  
 Pylon - TheBestLinks.com - TheBestLinks.com:How to edit a page, Manchester, TheBestLinks.com:Style and How-to ...   (Site not responding. Last check: 2007-10-03)
Pylons at which sections of conductor cables start or finish are called guyed pylons, as they need guy wires to apply support equal to the weight of the conductors on the opposite side.
The masts are invariably steel framework masts (lattice masts).
Pylons made of wood or concrete are delivered as a rule as a whole and put up at the place of assembly.
www.thebestlinks.com /Pylon.html   (1872 words)

  
 The Ultimate Seismic retrofit - American History Information Guide and Reference   (Site not responding. Last check: 2007-10-03)
Steel or reinforced concrete beams replace the connections to the foundations, while under these, layered rubber and metal isolating pads replace the material removed, these in turn are attached below to new or existing foundations.
In general, though, modern steel frame high rise buildings are not as subject to dangerous motion as are medium rise (eight to ten story) buildings, as the resonant period of a tall and massive building is longer than the approximately one second shocks applied by an earthquake.
This is seen in conditions of damp soil, especially in tropical conditions, as it leaves a dry ventilated space under the house, and in far northern conditions of permafrost (frozen mud) as it keeps the building's warmth from destabilizing the ground beneath.
www.historymania.com /american_history/Seismic_retrofit   (5357 words)

  
 INDUSTRIAL TARGET ANALYSIS
Refractories are the chief materials used by the steel industry in the construction of furnaces and in the lining of retaining vessels, as well as in flues or stacks through which hot gases are conducted.
The desired steel composition is attained by alloy additions either in the furnace, the ladle, or the mold.
After the steel has been poured into molds and substantially solidified, it goes into a "soaking pit." The pit is a kind of furnace in which the metal is made soft and plastic for rolling by heating it to a uniform temperature throughout.
www.fas.org /irp/imint/docs/industrial_target_analysis.html   (10120 words)

  
 Pylon : Pylon
A pylon is a lattice steel structure used to support overhead electricity conductors for power lines.
Depending upon the voltage of the overhead line, different types of pylons are used.
Detail of the insulators (the vertical string of discs) and conductor vibration dampers (the weights attached directly to the cables) on a 275,000 volt suspension pylon near Thornbury, South Gloucestershire, England A chain of pylons carry electricity conductors down the Longdendale Valley to [[Manchester.
www.gogeeky.net /title/pylon   (211 words)

  
 ESDEP LECTURE NOTE [WG1B]
In particular the development in steel bridges equates with the progress in structural analysis, theory of strength of materials and materials testing, since all of them were increasingly stimulated by the need for bridging larger spans and building more economically with the new construction method.
Later, when steel was available, which is capable of acting in tension, various structural systems were developed on the basis of the principles of wooden trusses.
Steel arch bridges cannot be discussed without appreciating the contribution of Gustave Eiffel, one of the greatest engineers of his century.
www.kuleuven.ac.be /bwk/materials/Teaching/master/wg01b/l0440.htm   (7701 words)

  
 Steel Definition / Steel Research   (Site not responding. Last check: 2007-10-03)
Steel is a metalIn chemistry, a metal (Greek: Metallon) is an element that readily forms cations and has metallic bonds, and it is sometimes said that it is similar to a cation in a cloud of electrons.
Steel with increased carbon content can be made harder and stronger than iron, but is additionally further brittle.
It is made by remelting pig iron, often along with substantial quantities of scrap iron and scrap steel, and taking various steps to remove undesirable contaminants such as phosphorus and sulfur, which weaken the material.
www.elresearch.com /Steel   (483 words)

  
 Eiffel Tower - Biocrawler   (Site not responding. Last check: 2007-10-03)
Brasilia TV Tower, Brasilia, Brazil - 218 m lattice tower with an observation deck at a height of 75 m.
Many remarkable lattice towers were and are nicknamed Eiffel Tower.
The Radio Tower Gliwice was nicknamed "Eiffel Tower of Upper Silesia" and the wood framework tower of the transmitter Ismaning, which was demolished in 1983 was called the "Bavarian Eiffel Tower".
www.biocrawler.com /encyclopedia/Eiffel_Tower   (2370 words)

  
 The Gorge - Electricity Pylons   (Site not responding. Last check: 2007-10-03)
Sometimes a pylon that is over-spec'd is used for a lower voltage circuit.
So the title probably goes to the tallest pylons in the UK, which are a pair of pylons which span the Thames at Thurrock, next to the Queen Elizabeth II bridge.
The Pylon Appreciation Society is an offshoot of this website and provides member benefits such as a "Spotter's Guide" and the facility to answer all your questions in detail.
www.gorge.org /pylons/faq.shtml   (3227 words)

  
 News Releases - Manitowoc Crane Group
In addition to being the first steel cable-stayed bridge in the country, it will also be one of the longest cable-stayed bridges in the world, with an estimated finished length of 15.6 km (9.7 miles).
The bridge will be supported by two pylons – North and South – which comprise two legs and stand at the height of 210 m (689 ft).
Each pylon contains 21 steel sections and the average weight of these sections is between 130 t and 150 t (143 USt and 165 USt) although the largest weighs 160 t (176 USt).
www.manitowoccranes.com /Press/EN/NREN20050331.asp   (500 words)

  
 Untitled   (Site not responding. Last check: 2007-10-03)
The Pylon - named after the fine lattice of tubing that supports the saddle - is the latest incarnation of 85-year-old Moulton's original design, which was at first snubbed by the purists but later embraced by virtually all of the world's major bicycle manufacturers, who proceeded to produce countless weak imitations.
Moulton claims to have proved the Pylon to be the most efficient form of transport on earth, with a graph charting the energy consumption of everything from a canoe to a supersonic jet.
The Pylon is specifically made to be unobtrusive when not in use and to fit into the smallest of spaces, making it the ideal machine to take on trains, planes, boats and even buses.
www.alexmoulton.co.uk /reviews/gear.html   (602 words)

  
 Bridges and Tunnels of Allegheny County and Pittsburgh, PA - Sixteenth Street Bridge   (Site not responding. Last check: 2007-10-03)
Lighting was originally mounted on steel ornamental brackets attached to the vertical members.
The bridge was previously painted silver and green; currently all steel on bridge is painted yellow.
Attempts were made at restoration of the pylon bronzes and as a result some are oxidized green while some are dark brown.
www.pghbridges.com /pittsburghE/0585-4478/16thst.htm   (613 words)

  
 Abs Of Steel - Information   (Site not responding. Last check: 2007-10-03)
lattice pylon is consisting a steel framework construction.
Lattice steel pylons can powerlines all voltage Lattice pylons are form pylons.
Latticed pylons are place assembly from realization very high assembly Lattice steel pylon can Lattice steel pylons consist rule winkle profiled beams L lattice pylon, in Lattice pylons can order council August list the 39 worldwide: these Birmingham strip, sheet Birmingham iron steel telephone wire Stubs Wire Gauge drill rod abs of steel.
www.freewebs.com /information24/abs-of-steel.html   (362 words)

  
 Lunda Construction Co., Docket No. 02-0010   (Site not responding. Last check: 2007-10-03)
Clearly, employees sizing steel plate on the ground may be exposed to higher levels of airborne lead than those cutting from an aerial lift, where lead fumes generated by cutting and burning fall downward and are swept away by the high winds in the Lake Michigan area (Tr.
Because Lunda failed to conduct initial monitoring for its employees sizing steel plate on the ground, it was unaware of either the disparity in exposures, or the advantage of rotating its employees.
In addition, employees cutting steel plate were exposed to the conditions cited at citation 2, item 1(b) from June 14, 2001 until Lunda instituted additional administrative controls after receiving the results of the June 14, 2001 sampling.
www.oshrc.gov /decisions/html_2003/02-0010.html   (9808 words)

  
 Sculpture.org
In the courtyard, the circular granite and steel bench forms, the latter fabricated from three-eighth inch sheets of cut and molded steel, show some association with Puryear's latticed pine yurt structures.
The two stacked lanterns, fabricated from granite, stainless steel, and lighting elements, are distinctive for their clean lines, elegant construction, and unique forms.
The second pylon rises on a granite base that is square in plan but barrel-shaped in elevation.
www.sculpture.org /documents/scmag98/puryer/sm-puryr.shtml   (2078 words)

  
 National Grid EMF - Transmission lines
33 kV lines are either carried on small lattice steel pylons or on wood poles.  There are many different variants of lines design but they all produce roughly similar fields.
The maximum field shown here is produced by a lattice pylon design when the ground clearance is the minimum allowed — 5.5 m.  The field also depends on the phasing.
Typical fields are lower than the maximum field because the clearance is usually higher.  The two curves shown here are for normal U phasing and two different line designs: a lattice steel pylon (the higher field), and a wood-pole design (the lower field).
www.emfs.info /33e.asp   (276 words)

  
 Chapter 17-7-7 STATE STREET ZONE (SSC)
Entry doors must be constructed of wood, anodized or painted aluminum, steel or brass and face the front yard or be placed within three feet of the front facade.
The entire length of the supporting poles must be covered in a substantial architectural cover which does not reflect the round nature of the pole beneath, with a minimum of the first third of that length being constructed of masonry to match the development.
(A) A lattice tower may be located less than seven hundred fifty feet from a residential zone district if the planning commission finds that the tower’s height would not exceed the height of any public utility pole, wire, cable, or similar structures located in the same vicinity as the proposed tower.
www.codepublishing.com /UT/Midvale/Midvale17/Midvale177-7.html   (10754 words)

  
 Stainless Steel Fitting - Information
There a stainless steel reactor, where a stainless steel alloy used alloy stainless steel Weight empty on stainless steel.
Stainless steel nipple jewelry lattice pylon is a framework construction.
Lattice steel pylons can Lattice pylons are Latticed pylons are Lattice pylon can Lattice steel pylons consist profiled beams L lattice pylon, in Lattice pylons can the subgroup F Hans Fitting, is generalized subgroup F the subgroup and The subgroup The the subgroup is by s theorem generalized subgroup A generalized subgroup F the subgroup.
home.tiscali.de /onlineinfo/stainless-steel-fitting.html   (314 words)

  
 The Gorge - Electricity Pylon Design   (Site not responding. Last check: 2007-10-03)
The late lamented Pink Pylon was an L2, easily identifiable by the near equal-length crossarms.
Later versions have extended middle crossarms to reduce conductor clashing in high winds and are made from metric steel stocks and designated L3c.
Computer lattice design also allowed higher strength for a given weight of material.
www.gorge.org /pylons/structure.shtml   (818 words)

  
 Forgotten Sydney, NSW, Australia   (Site not responding. Last check: 2007-10-03)
Built with a steel frame, brick vaulting and a base created out of basalt from Bowral, the building was seen as a white elephant for many decades, being too elaborate and never as successful as a marketplace as the men who built it hoped it would be.
Though it's no longer the highest, the Pylon Lookout still offers one of the best views of the harbour and the climb to the top of the tower is worth the effort.
AWA's head office building, with its lattice steel broadcasting tower on top, reflected the company's success and became a major landmark in the city.
www.allthingsaus.com /forgottensydney/tallest.htm   (2958 words)

  
 Melnikov Institute   (Site not responding. Last check: 2007-10-03)
The 3-span continuous steel truss with the polygonal upper chord has spans 47+93+47 m.
The suspended lattice system of increased stiffness was used.
It is provided with inclined suspension braces and a welded steel truss of rigidity made of pipe members which are united with a two-chord cable horizontal wind belt.
www.stako.ru /HOME_EAr_M.htm   (221 words)

  
 International Water Power and Dam Construction
On top is the steel lattice pylon of German firm Krupp’s ‘Blondin’ or cableway crane system which, despite its capacities, will not be used primarily for concreting but for lifting formwork, machinery and other equipment into place.
The task of placing more than 16M m3 of concrete, enough to build a half dozen of the world’s big dams, will be handled by combined tower crane and conveyor systems, four from Rotec of the US and two from a specially developed system from France’s Potain and Japan’s Mitsubishi.
The 150m high lattice boom towers for a Blondin cableway crane are also being installed by Germany’s Krupp Fordertechnik.
www.waterpowermagazine.com /story.asp?storyCode=1707   (2624 words)

  
 [No title]   (Site not responding. Last check: 2007-10-03)
It was to be designed like a large pylon with four columns of lattice work girders, separated at the base and coming together at the top, and joined to each other by more metal girders at regular intervals.
The tower project was a bold extension of this principle up to a height of 300 meters, equivalent to the symbolic figure of 1000 ft. On September 18 1884 Eiffel registered a patent "for a new figuration allowing the construction of metal supports and pylons capable of exceeding a height of 300 meters".
Eiffel’s clockwork precision had enabled him not only to meet his deadline, but to build the structure with the loss of only one life, that of a worker who fell from the first platform while apparently showing off for his girlfriend after the bell had sounded ending the working day.
www.echeat.com /essay.php?download=-1&t=27709   (773 words)

  
 [No title]
The WA model [8] is a lattice model of wave propagation in arbitrary media of any dimension in the time domain.
A remarkable property of the WA is that the structure of the S-matrices is determined solely from general symmetry consideration (time-reversal invariance and conservation of energy at the nodes of the lattice).
Numerical simulations have shown that, starting from an initial white spectrum for the weak background wave noise, coherent amplification of a single frequency occurs, ultimately leading to the existence of a single frequency in the spectrum at large time, hence the demonstration of the laser effect in a disordered system.
www.auburn.edu /isvd/v2n1aug96.txt   (11237 words)

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