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However, it was not until the full scale destructive load tests by Ockleston [2] [3] on the Old Dental Hospital in Johannesburg that the extent of strength enhancement caused by arching action was really appreciated. In these tests, collapse loads of between 3 and 4 times those predicted by yield-line theory [4] were obtained.
Marcus's method is a structural analysis used in the design of reinforced concrete slabs. The method was developed by Henri Marcus and described in 1938 in Die Theorie elastischer Gewebe und ihre Anwendung auf die Berechnung biegsamer Platten . [ 1 ]
The Wood–Armer method is a structural analysis method based on finite element analysis used to design the reinforcement for concrete slabs. [1] This method provides simple equations to design a concrete slab based on the output from a finite element analysis software.
This can yield time savings of up to 40% compared with traditional solid slabs. [1] However, this is heavily dependent on the particular system, and systems relying on onsite placement of void formers requires much more labor than solid slabs. [2] Compared to one-way hollow-core slabs, biaxial slabs are more resistant to seismic disturbance.
Normally consolidated soil goes to critical state along the stress path on Roscoe surface. Critical state soil mechanics is the area of soil mechanics that encompasses the conceptual models representing the mechanical behavior of saturated remoulded soils based on the critical state concept.
The first English language description of the method was by Macaulay. [1] The actual approach appears to have been developed by Clebsch in 1862. [ 2 ] Macaulay's method has been generalized for Euler-Bernoulli beams with axial compression, [ 3 ] to Timoshenko beams , [ 4 ] to elastic foundations , [ 5 ] and to problems in which the bending and ...
Calculation of the capacity of the footing in general bearing is based on the size of the footing and the soil properties. The basic method was developed by Terzaghi, with modifications and additional factors by Meyerhof and Vesić. . The general shear failure case is the one normally analyzed.
Within the branch of materials science known as material failure theory, the Goodman relation (also called a Goodman diagram, a Goodman-Haigh diagram, a Haigh diagram or a Haigh-Soderberg diagram) is an equation used to quantify the interaction of mean and alternating stresses on the fatigue life of a material. [1]