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The tradition also served a functional purpose: a pine tree was used, and after the needles had fallen off the tree, the builders knew the wood frame below had cured/dried out so they could enclose the building. [4] Long an important component of timber frame building, [5] it migrated initially to England and Northern Europe, thence to the ...
A house raised and held on box cribs during foundation work. House raising (also called house lifting, house jacking, barn jacking, building jacking) is the process of separating a building from its foundation and temporarily raising it with hydraulic screw jacks.
The slater's hammer is forged in one single piece, from crucible-cast steel, and has a 12-inch (30 cm) leather handle. It consists of a claw for drawing nails, a sheer edge for cutting slate, and a head with a sharp point at one end for punching holes in slate and with a hammer head at the other. [3] [4]
The central "web" of the steel I-beam is often wider than a column web to resist the higher bending moments that occur in beams. Wide sheets of steel deck can be used to cover the top of the steel frame as a "form" or corrugated mold, below a thick layer of concrete and steel reinforcing bars. Another popular alternative is a floor of precast ...
Headframe of the #1 Shaft at Oyuu Tolgoi. A steel headframe is less expensive than a concrete headframe; the tallest steel headframe measures 87 m. [4] Steel headframes are more adaptable to modifications (making any construction errors easier to remedy), and are considerably lighter, requiring less substantial foundations.
There are several reasons why a structure may be moved. For example, a redevelopment, such as urban regeneration, could cause a relocation.The buyer of a building may wish to move it to a new location, or the owner might sell the land that the building is on while keeping the building.
Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the work to be completed at ground level, negating the ...
The Atholl steel house can refer to a steel-framed house or a steel-clad house built in the United Kingdom as a non-traditional house in the Homes fit for heroes period in the 1920s or to replace housing stock after the Second World War in the late 1940s. Atholl Steel Houses was formed by Sir William Beardmore and the Duke of Atholl in 1924.