structure gauge

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• Structure gauge — The structure gauge, also called the minimum clearance outline, is the minimum height and width of tunnels and bridges as well as the minimum height and width of the doors that allow a rail siding access into a warehouse. In addition the term may …   Wikipedia

• Gauge — may refer to:In measurements:* American wire gauge, a measurement of diameter of a wire * Gauge (bore diameter), the diameter of a shotgun barrel * Stubs Iron Wire Gauge, which corresponds to the diameter of a hypodermic needle **See also * Sheet …   Wikipedia

• Structure formation — refers to a fundamental problem in physical cosmology. The universe, as is now known from observations of the cosmic microwave background radiation, began in a hot, dense, nearly uniform state approximately 13.7 Gyr ago. [cite journal |author=D.… …   Wikipedia

• Narrow gauge railway — Track gauge by size Broad gauge St …   Wikipedia

• Gauge theory — For a generally accessible and less technical introduction to the topic, see Introduction to gauge theory. In physics, a gauge theory is a type of field theory in which the Lagrangian is invariant under a continuous group of local transformations …   Wikipedia

• gauge theory — ▪ physics       class of quantum field theory, a mathematical theory involving both quantum mechanics and Einstein s special theory of relativity that is commonly used to describe subatomic particles and their associated wave fields. In a gauge… …   Universalium

• Loading gauge — The clearance between train and tunnel is often small. London Underground train at Hendon. A loading gauge defines the maximum height and width for railway vehicles and their loads to ensure safe passage through bridges, tunnels and other… …   Wikipedia

• Narrow gauge railways in Saxony — The narrow gauge railways in Saxony was once the largest single operator narrow gauge railway network in Germany. At its peak shortly after World War I the network had more than 500 km (311 mi) of tracks. At first, it was primarily… …   Wikipedia

• Ideal gauge — What constitutes an Ideal gauge depends on the purpose.Engineers have shown that a narrow gauge is less than ideal: despite usually offering cheaper construction, a smaller gauge restricts speeds due to a reduced load stability. Broader gauges… …   Wikipedia

• Dual gauge — Track gauge by size Broad gauge Sta …   Wikipedia

• Modeling 2' gauge railroads — is part of the hobby of rail transport modeling. Specifically it relates to the modeling of narrow gauge prototypes of approximately RailGauge|24 gauge. Prototype Examples Two foot gauge railways originated in Great Britain. The Ffestiniog… …   Wikipedia