Abstract The possibility of the occurrence a second punching shear failure and Progressive Collapse after had occurred in one flat slab column connection is investigated two building structures, using Eberick SAP2000 softwares Yield Line Method, codes ACI318:2019, EUROCODE2:2004 NBR6118:2014. It shown that connections should be designed detailed to prevent Integrity Reinforcement always present...

Abstract The performance of textile reinforced concrete composite panels (TRCCPs) under the action pseudo-static load up to collapse was evaluated. test TRCCPs axial and transverse loading conducted, results were compared with those for steel wire mesh reinforced-concrete (SMRCCPs). Ceram-site utilized as panel matrix owing its lightweight insulation characteristics. ultimate bearing capacity, ...

[1] The fine-scale seismic structure of the central Mexico subduction zone is studied using moderate-sized (M4-6) intraslab earthquakes. Regional waveforms from the Mapping the Rivera Subduction Zone (MARS) seismic array are complicated and contain detailed information about the subduction zone structure, including evidence of lateral heterogeneity. This waveform information is used to model th...

Because of the high water solubility in wadsleyite and ringwoodite, the mantle transition zone is possibly a large water reservoir. The potentially high water content of the Earth's mantle transition zone is a key element of several global mantle dynamic models. Nevertheless, to keep the transition zone relatively wet, the tendency for convection to distribute water over the entire mantle has t...

Diaphragms are a fundamental part of the earthquake-resistant system, and in terms rigidity, it is essential to transmit dynamic loads on base structure.Also, floor openings response buildings against progressive collapse issues that have received less attention.In this study, opening surfaces their positions potential steel moment-resisting frame (SMRF) were investigated according alternate lo...

We report on spectral-domain and time-domain measurements and numerical calculations of group velocities in a photonic crystal coupled waveguide, where the unique guided mode band structure has a flat band region within the photonic band gap allowing for slow light observation. The spectral dependence of group velocity, which is measured by interference method, indicates the existence of slow l...

We measure two-dimensional profiles of collimated microwave beams transmitted through composite wire and split-ring resonator prisms. Prior experiments suggest these structures have a negative index of refraction, though these claims have been questioned. Our 2D measurements demonstrate that transmission obeys Snell's law with a negative index, confirming the refractive nature of this signal an...