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  2. Height restriction laws - Wikipedia

    en.wikipedia.org/wiki/Height_restriction_laws

    Height restriction laws are laws that restrict the maximum height of structures. There are a variety of reasons for these measures. There are a variety of reasons for these measures. Some restrictions serve aesthetic values, such as blending in with other housing and not obscuring important landmarks.

  3. Engineering tolerance - Wikipedia

    en.wikipedia.org/wiki/Engineering_tolerance

    For example, if a shaft with a nominal diameter of 10 mm is to have a sliding fit within a hole, the shaft might be specified with a tolerance range from 9.964 to 10 mm (i.e., a zero fundamental deviation, but a lower deviation of 0.036 mm) and the hole might be specified with a tolerance range from 10.04 mm to 10.076 mm (0.04 mm fundamental ...

  4. Shaft (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Shaft_(civil_engineering)

    In civil engineering a shaft is an underground vertical or inclined passageway. Shafts are often entered through a manhole and closed by a manhole cover. They are constructed for a number of reasons including: For the construction of a tunnel; For ventilation of a tunnel or underground structure, aka ventilation shaft

  5. Skyscraper design and construction - Wikipedia

    en.wikipedia.org/wiki/Skyscraper_design_and...

    A shear wall, in its simplest definition, is a wall where the entire material of the wall is employed in the resistance of both horizontal and vertical loads. A typical example is a brick or cinderblock wall. Since the wall material is used to hold the weight, as the wall expands in size, it must hold considerably more weight.

  6. Star shaft - Wikipedia

    en.wikipedia.org/wiki/Star_shaft

    In the north and south walls of the King's Chamber are two narrow shafts, commonly known as "air shafts". They face each other and are located approximately 0.91 m (3.0 ft) above the floor, 2.5 m (8.2 ft) from the eastern wall, with a width of 18 and 21 cm (7 and 8.5 in) and a height of 14 cm (5.5 in).

  7. Why is Fort Worth limiting the heights of buildings on the ...

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  8. Pier (bridge structure) - Wikipedia

    en.wikipedia.org/wiki/Pier_(bridge_structure)

    The slenderness, the ratio of the maximum diameter of the shaft to the height of the pile, is generally less than or equal to 1/10°. The compression exerted at the base of the pile is accentuated both by the weight of the pile itself and by the weight of the supported deck, as tall height generally combines, for architectural reasons, with ...

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