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A portal frame steel building under construction. Portal frame is a construction technique where vertical supports are connected to horizontal beams or trusses via fixed joints with designed-in moment-resisting capacity. [1] The result is wide spans and open floors. Portal frame structures can be constructed using a variety of materials and ...
The lintel is a structural element that is usually rested on stone pillars or stacked stone columns, over a portal or entranceway. A lintel may support the chimney above a fireplace, or span the distance of a path or road, forming a stone lintel bridge.
Composition is widely accepted to have been developed by Thomas Jackson in London around the late 18th century. His son, George Jackson, continued the business. His company, George Jackson, still trades today and supplies composition ornament made to the original methods and recipe. [4]
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A portal is an opening in a wall of a building, gate or fortification, especially a grand entrance to an important structure. [ 1 ] [ page needed ] Doors, metal gates , or portcullis in the opening can be used to control entry or exit.
Moment-resisting frame is a rectilinear assemblage of beams and columns, with the beams rigidly connected to the columns. Resistance to lateral forces is provided primarily by rigid frame action – that is, by the development of bending moment and shear force in the frame members and joints. By virtue of the rigid beam–column connections, a ...
Opus reticulatum (also known as reticulate work) is a facing used for concrete walls in Roman architecture from about the first century BCE to the early first century CE. [1]: 136–9 [notes 1] They were built using small pyramid shaped tuff, a volcanic stone embedded into a concrete core.
The Cake of Light is the eucharistic host found within Thelema, the religion founded by English occult writer Aleister Crowley in 1904. A cake of light contains flour, honey, Abramelin oil, olive oil, beeswing, and bodily fluids such as semen, menstrual blood, vaginal fluids, or a mix thereof.