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2. Jack arch - Wikipedia

   en.wikipedia.org/wiki/Jack_arch

   A jack arch is a structural element in masonry construction that provides support at openings in the masonry. Alternate names are lintel arch, [1] flat arch and straight arch. Unlike regular arches, jack arches are not curved in form. Instead, they are flat in profile and are used under the same circumstances as lintels.

3. Beam and block - Wikipedia

   en.wikipedia.org/wiki/Beam_and_block

   Beam and block is a construction method to support flooring, especially for ground floors as well as multi story buildings. [1] It is made of cast concrete, one piece of which is a prestressed concrete beam, which can be an inverted T-shaped beam, or lintel, the other piece being a simple rectangular block. [1]

4. Stonemasonry - Wikipedia

   en.wikipedia.org/wiki/Stonemasonry

   Ashlar masonry. Stone masonry using dressed (cut) stones is known as ashlar masonry. [4] Trabeated systems. One of the oldest forms of stone construction uses a lintel (beam) laid across stone posts or columns. This method predates Stonehenge, and refined versions were used by the Egyptians, Persians, Greeks, and Romans. [4] Arch masonry.

5. Category:Stonemasonry tools - Wikipedia

   en.wikipedia.org/wiki/Category:Stonemasonry_tools

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

6. Post and lintel - Wikipedia

   en.wikipedia.org/wiki/Post_and_lintel

   Post and lintel construction of the Airavatesvara Temple, India, a World Heritage Monument site Leinster House in Dublin retains column-shaped pilasters under a pediment for aesthetic reasons. Post and lintel (also called prop and lintel, a trabeated system, or a trilithic system) is a building system where strong horizontal elements are held ...

7. Drafter - Wikipedia

   en.wikipedia.org/wiki/Drafter

   Traditional drafter at work A drafter in Portugal in the 1970s, using a drafting machine. A drafter (also draughtsman / draughtswoman in British and Commonwealth English, draftsman / draftswoman, drafting technician, or CAD technician in American and Canadian English) is an engineering technician who makes detailed technical drawings or CAD designs for machinery, buildings, electronics ...

8. Formwork - Wikipedia

   en.wikipedia.org/wiki/Formwork

   The low embodied energy of concrete by volume is offset by its rate of consumption which make the manufacture of cement accountable for some 5% of global CO 2 emissions. [5] Concrete is a fluid that offers the opportunity to economically create structures of almost any geometry - concrete can be poured into a mould of almost any shape.

9. Keystone (architecture) - Wikipedia

   en.wikipedia.org/wiki/Keystone_(architecture)

   A keystone (or capstone) is the wedge-shaped stone at the apex of a masonry arch or typically round-shaped one at the apex of a vault. In both cases it is the final piece placed during construction and locks all the stones into position, allowing the arch or vault to bear weight.