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Ferrocement or ferro-cement [1] is a system of construction using reinforced mortar [2] or plaster (lime or cement, sand, and water) applied over an "armature" of metal mesh, woven, expanded metal, or metal-fibers, and closely spaced thin steel rods such as rebar. The metal commonly used is iron or some type of steel, and the mesh is made with ...
Concrete ships are built primarily with ferrocement (reinforced concrete) hulls, reinforced with steel bars. [1] This contrasts against more traditional materials, such as pure steel or wood. The advantage of ferrocement construction is that materials are cheap and readily available, while the disadvantages are that construction labor costs are ...
Steel shortages during World War I led the US to build experimental concrete ships, the largest of which was the SS Selma, today partially submerged in Galveston Bay and visible from both the Houston Ship Channel and Seawolf Park. SS Selma was built in Mobile, Alabama, and named to honor Selma, Alabama, for its successful wartime liberty loan ...
Cement powder in a bag, ready to be mixed with aggregates and water. [1] Cement block construction examples from the Multiplex Manufacturing Company of Toledo, Ohio, in 1905. A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together.
Argos acquired full ownership of Southern Star Concrete in November 2005 in a purchase agreement with the former owners, Texas Growth Fund and Austin Ventures, both based in Austin, Texas. In 2019, Southern Star sold their Arkansas assets to SRM Concrete, a privately-owned materials supply company based out of Nashville, Tennessee.
Concrete is a mixture of coarse (stone or brick chips) and fine (generally sand and/or crushed stone) aggregates with a paste of binder material (usually Portland cement) and water. When cement is mixed with a small amount of water, it hydrates to form microscopic opaque crystal lattices encapsulating and locking the aggregate into a rigid shape.
Samples of "ground granulated blast furnace slag" (left) and "granulated blast furnace slag" (right) Ground granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.
In 1976, this vessel, now known as Samuel de Champlain, was built as Musketeer Fury by Mangone Shipbuilding of Houston, Texas for Bernhard Hansen and Company of Norway. Samuel de Champlain pushing Innovation on the Maumee River. Two years later in 1978, the tug was sold and renamed Tender Panther. The tug was sold again in 1979 and renamed ...