000011652 001__ 11652
000011652 005__ 20141205155932.0
000011652 04107 $$aeng
000011652 046__ $$k2008-10-12
000011652 100__ $$aShinohara, Y.
000011652 24500 $$aEffect of Transverse Prestressing on Shear Behaviors of High-Strength Concrete Columns

000011652 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011652 260__ $$b
000011652 506__ $$arestricted
000011652 520__ $$2eng$$aExperiments and 3-D FEM analyses were performed on high-strength concrete columns laterally prestressed by high-strength shear reinforcement in order to study the influence of active confinement on the shear strength and crack behaviors. Lateral prestress was introduced in proportion to the concrete strength, and the width of every crack near the transverse reinforcement was measured by a digital microscope. By increasing the lateral prestress as mentioned above, the shear crack strength and ultimate shear strength increased, but the effectiveness of active confinement was weakened as the axial force ratio decreased. FEM analyses can be used to evaluate the shear crack strength and the ultimate shear strength, and to explain the effect of active confinement on shear behaviors because FEM analyses evaluates the intensity of confinement in a tri-axial state of stress with minor principal stress as well as the degree of damage for compressive failures.

000011652 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011652 653__ $$aHigh-strength concrete, Lateral prestress, Active confinement, Shear behavior

000011652 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011652 720__ $$aShinohara, Y.
000011652 8560_ $$ffischerc@itam.cas.cz
000011652 8564_ $$s883502$$uhttps://invenio.itam.cas.cz/record/11652/files/05-03-0031.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-03-0031.
000011652 962__ $$r9324
000011652 980__ $$aPAPER