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Q: What is a curved structure used to span an opening?
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What is a curve in bridges or over doorways?

The curve that is used in bridges and over doorways is an arch. An arch is the curved part that is over an opening and it helps support the weight above the opening.


What is a barrel roof?

A barrel roof is a roof with a curved, semi-circular cross section, used to span large distances, such as found in railway stations and churches.


What is the meaning of wind span and weight span?

When looking at the transmission line profile view, the wind span is defined as half of the sum of adjacent spans. The weight span is defined as the distance from low point sag of one span to the low point sag of the next span. To clarify, these values have to do with loading of a supporting structure (transmission line pole structure). with 3 structures in a row, there are 2 cable spans. One half of the sum of the 2 spans will give the wind span. This will be used to calculate the force applied to the structure due to a horizontal wind blowing on the conductors. Because the cable takes the form of a catenary curve when hung between 2 fixed points, there will be a low point between each of the structures. The distance between these low points will be the weight span for the middle structure. This value will be used to calculate the weight of the cable that the structure must support.


What is barrel vaulting?

A barrel vault is a simple roof with a curved, semi-circular cross section, used to span large distances, such as found in railway stations and churches.


What is a barrel vault?

A barrel vault is a simple roof with a curved, semi-circular cross section, used to span large distances, such as found in railway stations and churches.


Which is the strongest bridge structure - truss cantilever suspension or arch?

The arch is the strongest structure. The reason the others are sometimes used is the span is so long the arch isn't practicle.


Can hacksaws be used to cu curved edges?

No, it can't, for curved edges you use a piercing saw!


What is a jigsaw used for?

A jigsaw is used for cutting curved or round holes. With a straight guide it can cut straight lines.


Can spic and span be used as a drug?

No, Spic 'n Span is a cleaning product. It cannot be used as a drug. It can be used to wash floors.


What is used to finish curved surfaces?

a hammer


How much span in metric?

There is 228,600 span in metric. This is used in math class.


What is another name for a curved sword?

The most common name for a curved sword is the scimar which was developed by the persians. The saber is also a curved sword - usually used by cavalry troops.