Results 21 to 30 of about 115,649 (297)

South-American plate advance and forced Andean trench retreat as drivers for transient flat subduction episodes

open access: yesNature Communications, 2017
How flat slabs at subduction zones are created remains unclear. Here, the authors show that the Nazca slab has retreated at ∼2 cm per year since 50 Ma but no rollback has occurred in the last ∼12 Myr in the flat slab, implying that an overpressured sub ...
Gerben Schepers   +5 more
doaj   +1 more source

Load-defl ection behaviour of hybrid concrete flat slab

open access: yesPrzegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2019
Due to the important role of high strength concrete in the structural systems, present work focuses on the use of this material as a strengthening technique incorporating with the normal strength concrete in flat slab system.
Ragheed F. Makki   +2 more
doaj   +1 more source

Light Collimation and Focussing by a Thin Flat Metallic Slab [PDF]

open access: yes, 2005
We present experimental and theoretical work showing that a flat metallic slab can collimate and focus light impinging on the slab from a punctual source. The effect is optimised when the radiation is around the bulk, not at the surface, plasma frequency.
A. Pons   +16 more
core   +2 more sources

Shear wave velocities in the Pampean flat-slab region from Rayleigh wave tomography: Implications for slab and upper mantle hydration [PDF]

open access: yes, 2012
The Pampean flat-slab region, located in central Argentina and Chile between 29° and 34°S, is considered a modern analog for Laramide flat-slab subduction within western North America.
Alvarado, Patricia   +7 more
core   +2 more sources

Finite element implementation of punching shear behaviors in shear-reinforced flat slabs

open access: yesAin Shams Engineering Journal, 2015
Punching shear reinforcement systems such as studs and stirrups are used to improve the punching shear strength of flat slabs. A three dimensional finite element model (FEM) is developed through Ansys 10 computer software, to carry out the nonlinear ...
Ashraf Mohamed Mahmoud
doaj   +1 more source

Comparison of punching shear requirements in BS 8110, EC2 and MC2010 [PDF]

open access: yes, 2015
This paper compares design provisions for punching shear at internal columns in the superseded British Standard BS 8110, Eurocode 2 (EC2) and fib Model Code 2010 (MC2010).
Soares, LFS, Vollum, RL
core   +1 more source

Proposed structural system for mixed hollow flat slab

open access: yesWater Science, 2022
The economic design of the slabs is the most influential on the construction cost and choosing the appropriate system is the key to the slabs optimal design, and there are many systems that have been developed recently to reach the most economical design.
Ahmed Hashad, Emad Helal
doaj   +1 more source

Geometry and seismic properties of the subducting Cocos plate in central Mexico [PDF]

open access: yes, 2010
The geometry and properties of the interface of the Cocos plate beneath central Mexico are determined from the receiver functions (RFs) utilizing data from the Meso America Subduction Experiment (MASE).
Clayton, R. W., Jackson, J. M., Kim, Y.
core   +1 more source

S‐Wave Receiver Function Analysis of the Pampean Flat‐Slab Region: Evidence for a Torn Slab

open access: yesGeochemistry, Geophysics, Geosystems, 2018
Flat‐slab subduction is an atypical form of subduction where the downgoing plate assumes a low‐angle or subhorizontal geometry as it descends beneath the overriding plate.
A. Haddon, R. Porter
doaj   +1 more source

Shear and Flexural Behavior of Flat Slabs Casted with Polyolefin Fiber-Reinforced Concrete

open access: yesFibers, 2022
This paper presents the influence of polyolefin fiber on the flexural and shear attitude on the flat slabs. Three slab sets (80 cm × 80 cm) were tested, each with a thickness of 10 cm.
Abdulnasser M. Abbas   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy