a reinforced concrete column is a structural member designed to carry compressive loads, composed of concrete with an embedded steel frame to provide reinforcement. for design purposes, the columns are separated into two categories: short columns and slender columns.
deep cement mixing dcm is a civil engineering deep foundation technique where a binder material, typically cement, is injected into the ground for ground stabilization and land reclamation.in ground stabilization applications it is typically used to obtain a better load bearing capability of the existing soil, e.g. in order to bear buildings and other structures.
reinforced concrete rc also called reinforced cement concrete or rcc is a composite material in which concrete 's relatively low tensile strength and ductility are counteracted by the inclusion of reinforcement having higher tensile strength or ductility. the reinforcement is usually, though not necessarily,.
concrete cracks due to tensile stress induced by shrinkage or stresses occurring during setting or use. various means are used to overcome this. fiber reinforced concrete uses fine fibers distributed throughout the mix or larger metal or other reinforcement elements to limit the size and extent of cracks. in many large structures joints or .
by the 1960s, prestressed concrete largely superseded reinforced concrete bridges in the uk, with box girders being the dominant form. in short-span bridges of around 10 to 40 metres 30 to 130 ft , prestressing is commonly employed in the form of precast pre-tensioned girders or planks.
it is one of nigeria's leading cement manufacturer and was second in terms of volume produced in 2017. in 2010, the firm formally launched a ready-mix division. in 2016, the firm's capacity was 14.1 million tonnes of cement, 5 million metric tonnes of aggregates and 3.5 million tonnes of ready-mix concrete.
reinforced concrete rc is concrete in which reinforcement bars 'rebars' , reinforcement grids, plates or fibers are embedded to create bond and thus to strengthen the concrete in tension.the composite material was invented by french gardener joseph monier in 1849 and patented in 1867.
a cementicle is a small, spherical or ovoid calcified mass embedded within or attached to the cementum layer on the root surface of a tooth, or lying free within the periodontal ligament. they tend to occur in elderly individuals. there are 3 types: free cementicle – not attached to cementum; attached sessile cementicle – attached to the cementum surface also termed exocementosis
glass fiber reinforced concrete or gfrc is a type of fiber-reinforced concrete. the product is also known as glassfibre reinforced concrete or grc in british english. glass fiber concretes are mainly used in exterior building façade panels and as architectural precast concrete. somewhat similar materials are fiber cement siding and cement boards.