Search results
Results From The WOW.Com Content Network
The direct stress is transferred from the concrete to the bar interface so as to change the tensile stress in the reinforcing bar along its length. This load transfer is achieved by means of bond (anchorage) and is idealized as a continuous stress field that develops in the vicinity of the steel-concrete interface.
Or a splayed anchor does not have the same tensile/axial capacity with the equivalent anchor length (effective embedment is ... Tilt-up concrete construction (AS3850 ...
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel-reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving (see below). [1] [2]
In US use, the grade designation is equal to the minimum yield strength of the bar in ksi (1000 psi); for example, grade 60 rebar has a minimum yield strength of 60 ksi. Rebar is most commonly manufactured in grades 40, 60, and 75 with higher strength readily available in grades 80, 100, 120 and 150. Grade 60 (420 MPa) is the most widely used ...
The discharge opening must be kept well immersed in the placed concrete, allowing flow from within the placement. 1.5 metres (5 ft) of embedment should be maintained as a minimum if possible. This can be measured by finding the level of the concrete surface below the top of the pipe with a weighted tape and subtracting from the known length of ...
Logo of Eurocode 2 An example of a concrete structure. In the Eurocode series of European standards (EN) related to construction, Eurocode 2: Design of concrete structures (abbreviated EN 1992 or, informally, EC 2) specifies technical rules for the design of concrete, reinforced concrete and prestressed concrete structures, using the limit state design philosophy.
The first reinforced concrete building in Southern California was the Laughlin Annex in downtown Los Angeles, constructed in 1905. [18] [19] In 1906, 16 building permits were reportedly issued for reinforced concrete buildings in the City of Los Angeles, including the Temple Auditorium and 8-story Hayward Hotel. [20] [21]
A sufficient thickness of concrete cover is thus required in order to slow down the carbonatation process towards the rebar. The minimum concrete cover will depend on the environmental conditions encountered and must be thicker when the concrete is also exposed to moisture and chloride (proximity to the sea, use of de-icing salt for bridges or ...