Steel lattice
The animate filigree is the a lot of boundless anatomy of construction. It provides abundant strength, low weight and wind resistance, and abridgement in the use of materials. Lattices of triangular array are a lot of common, and aboveboard lattices are aswell broadly used.
When congenital as a backward mast, usually the accomplished mast is parallel-sided. One barring is the Blaw-Knox type.
When congenital as a tower, the anatomy may be parallel-sided or abate over allotment or all of its height. If complete of several sections which abate exponentially with height, in the address of the Eiffel Tower, the belfry is said to be an Eiffelized one. The Crystal Palace belfry in London is an example.
Russian TV tower, Penza
edit Tubular steel
Guyed masts are sometimes aswell complete out of animate tubes. This architecture blazon has the advantage that cables and added apparatus can be adequate from acclimate central the tube and the anatomy may attending added clean. These masts are mainly acclimated for FM-/TV-broadcasting, but sometimes aswell as mast radiator. The big mast of Mühlacker transmitting base is a acceptable archetype of this. A disadvantage of this mast blazon is that it is abundant added afflicted by apprehension than masts with accessible bodies. Several tubular guyed masts accept collapsed. In the UK, the Emley Moor and Waltham TV stations masts burst in the 1960s. In Germany the Bielstein transmitter burst in 1985. Tubular masts were not congenital in all countries. In Germany, France, UK, Czech, Slovakia and the above Soviet Union, abounding tubular guyed masts were built, while there are about none in Poland or North America.
In several cities in Russia and Ukraine several tubular guyed masts with crossbars active from the mast anatomy to the guys were congenital in the 1960's. All these masts are alone acclimated for FM and TV manual and, except for the mast in Vinnytsia, are amid 150 and 200 metres tall. The crossbars of these masts are able with a gangway that holds abate antennas, admitting their capital purpose is cadence damping.
TV Belfry in Stuttgart, Germany
edit Able concrete
Reinforced accurate building are almost big-ticket to body but accommodate a top amount of automated acerbity in able winds. This can be important if antennas with attenuated beamwidths are used, such as those acclimated for bake point-to-point links, and if the anatomy is to be active by people.
In the 1950s, AT&T congenital abundant accurate towers, added akin silos than towers, for its aboriginal transcontinental bake route. Abounding are still in use today.
In Germany and the Netherlands a lot of building complete for point-to-point bake links are congenital of able concrete, while in the UK a lot of are filigree towers.
Concrete building can anatomy celebrated landmarks, such as the CN Belfry in Toronto. As able-bodied as all-around abstruse staff, these barrio may accept accessible areas such as ascertainment decks or restaurants.
The Stuttgart TV belfry was the aboriginal belfry in the apple to be congenital in able concrete. It was advised in 1956 by the bounded civilian architect Fritz Leonhardt.
Tokyo Tower
edit Fibreglass
Fibreglass poles are occasionally acclimated for low-power non-directional beacons or medium-wave advertisement transmitters.
edit Wood
There are beneath board building now than in the past. Abounding were congenital in the UK during Apple War II because of a curtailment of steel. In Germany afore Apple War II board building were acclimated at about all medium-wave manual sites, but all of these building accept back been demolished, except for the Gliwice Radio Tower.
Ferryside Broadcast is an archetype of a TV broadcast transmitter application a board pole.
The animate filigree is the a lot of boundless anatomy of construction. It provides abundant strength, low weight and wind resistance, and abridgement in the use of materials. Lattices of triangular array are a lot of common, and aboveboard lattices are aswell broadly used.
When congenital as a backward mast, usually the accomplished mast is parallel-sided. One barring is the Blaw-Knox type.
When congenital as a tower, the anatomy may be parallel-sided or abate over allotment or all of its height. If complete of several sections which abate exponentially with height, in the address of the Eiffel Tower, the belfry is said to be an Eiffelized one. The Crystal Palace belfry in London is an example.
Russian TV tower, Penza
edit Tubular steel
Guyed masts are sometimes aswell complete out of animate tubes. This architecture blazon has the advantage that cables and added apparatus can be adequate from acclimate central the tube and the anatomy may attending added clean. These masts are mainly acclimated for FM-/TV-broadcasting, but sometimes aswell as mast radiator. The big mast of Mühlacker transmitting base is a acceptable archetype of this. A disadvantage of this mast blazon is that it is abundant added afflicted by apprehension than masts with accessible bodies. Several tubular guyed masts accept collapsed. In the UK, the Emley Moor and Waltham TV stations masts burst in the 1960s. In Germany the Bielstein transmitter burst in 1985. Tubular masts were not congenital in all countries. In Germany, France, UK, Czech, Slovakia and the above Soviet Union, abounding tubular guyed masts were built, while there are about none in Poland or North America.
In several cities in Russia and Ukraine several tubular guyed masts with crossbars active from the mast anatomy to the guys were congenital in the 1960's. All these masts are alone acclimated for FM and TV manual and, except for the mast in Vinnytsia, are amid 150 and 200 metres tall. The crossbars of these masts are able with a gangway that holds abate antennas, admitting their capital purpose is cadence damping.
TV Belfry in Stuttgart, Germany
edit Able concrete
Reinforced accurate building are almost big-ticket to body but accommodate a top amount of automated acerbity in able winds. This can be important if antennas with attenuated beamwidths are used, such as those acclimated for bake point-to-point links, and if the anatomy is to be active by people.
In the 1950s, AT&T congenital abundant accurate towers, added akin silos than towers, for its aboriginal transcontinental bake route. Abounding are still in use today.
In Germany and the Netherlands a lot of building complete for point-to-point bake links are congenital of able concrete, while in the UK a lot of are filigree towers.
Concrete building can anatomy celebrated landmarks, such as the CN Belfry in Toronto. As able-bodied as all-around abstruse staff, these barrio may accept accessible areas such as ascertainment decks or restaurants.
The Stuttgart TV belfry was the aboriginal belfry in the apple to be congenital in able concrete. It was advised in 1956 by the bounded civilian architect Fritz Leonhardt.
Tokyo Tower
edit Fibreglass
Fibreglass poles are occasionally acclimated for low-power non-directional beacons or medium-wave advertisement transmitters.
edit Wood
There are beneath board building now than in the past. Abounding were congenital in the UK during Apple War II because of a curtailment of steel. In Germany afore Apple War II board building were acclimated at about all medium-wave manual sites, but all of these building accept back been demolished, except for the Gliwice Radio Tower.
Ferryside Broadcast is an archetype of a TV broadcast transmitter application a board pole.
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