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Because the actual bond stress varies along the length of a bar anchored in a zone of tension, most international codes of specifications [2] [3] [4] use the concept of development length rather than bond stress. The same concept applies to lap splice length mentioned in the codes where splices (overlapping) provided between two adjacent bars ...
Fiber reinforcement is most often used to supplement or partially replace primary rebar, and in some cases it can be designed to fully replace rebar. [ 43 ] Steel is the strongest commonly available fiber, [ citation needed ] and comes in different lengths (30 to 80 mm in Europe) and shapes (end-hooks).
Mechanical rebar connections, also known as mechanical splices or mechanical coupler, are used to join lengths of rebar together to transfer forces from one steel rebar to another. [ 1 ] [ 2 ] Rebar coupler
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.
A splice joint is a method of joining two members end to end in woodworking. [1] The splice joint is used when the material being joined is not available in the length required. It is an alternative to other joints such as the butt joint and the scarf joint. Splice joints are stronger than unreinenforced butt joints and have the potential to be ...
Their behavior throughout the loading range is controlled by competing mechanisms of resistance such as flexure, shear, buckling of longitudinal bars when they are subjected to compressive loads and, in the case of lap splices, the lap splice mechanism of the development of reinforcing bars.
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.
Reducing length of pile segments to under ~65 feet long also means the trailers that haul them to job sites can stay within state length limits. [2] With splices cast into the end of each segment of concrete pile, the pile driving crew just 1) lines up the segments; 2) connects the splice and 3) drives in the locking pins.