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See: hiatus, rend, rift, split
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In contrast, the steeper sloped region represented a brittle failure mode resulting from a SCG that occurred at lower stresses with longer failure times [26-28],
Ductility denotes to the capacity of a material to absorb energy prior to failure, while brittle failures are concomitant with little or no plastic deformation, plus low energy absorption before breakage.
Brittle Failure. After the stages of compaction, elastic deformation, and short plastic deformation (i.e., no obvious plastic deformation was observed), the stress dropped suddenly and the sample was damaged suddenly by bursting fractures.
Takemura, "A micromechanical model for brittle failure of rock and its relation to crack growth observed in triaxial compression tests of granite," Mechanics of Materials, vol.
At the initial phase of brittle failure, the cohesion and bonding forces between mineral grains decrease as the loading stress increases, causing the initiation of cracks in samples.
Therefore, the provided stirrup spacing in Beam B2 is clearly not compliant with these requirements and the design would have to incorporate minimum shear reinforcement as otherwise brittle failure may result.
The relationship of damage evolution is bilinear and divided by three stages: firstly, [[epsilon].sub.max] < [[epsilon].sub.0] and the damage variable d is equal to zero; secondly, [[epsilon].sub.0] < [[epsilon].sub.max] < [[epsilon].sub.r] is the first damage stage, and the brittle failure behavior of rock material occurred; [[epsilon].sub.r] < [[epsilon].sub.max] < [[epsilon].sub.u] is the second damage stage; a residual strength and deformation of rock occurred; if [[epsilon].sub.max] > [[epsilon].sub.u], the damage variable d is equal to one, and the rock material is fully failure.
The lengthy structural geology chapter digs into rock stress, brittle failure, fracture formation and propagation, fracture types, the brittle-ductile transition, and the interaction between in situ stress and fractures.
At low pressure and low temperature, brittle failure is most common.
Janach, "The role of bulking in brittle failure of rocks under rapid compression," International Journal of Rock Mechanics & Mining Sciences and, vol.
As well as the failure mode of masonry beams is concerned, it was due to de- bonding of the CFRP-wrap as shown in Fig.6 which resulted in brittle failure of masonry beams as a whole in contrast to RCC beam where it is always ductile type of failure as shown in Fig.7.
Brittle failure, an unusual type of implant failure, is caused by defect in design or metallurgy.