La aplicación del Reglamento Colombiano de Construcción Sismo Resistente implica que se defina la capacidad de disipación de energía (CDE) de la estructura en función de la tipología y la amenaza sísmica del sitio. En esta investigación se determinaron los efectos de elegir una...
Autor(es): Jose Miguel Benjumea. Andrea Carolina Chaparro. Jesus Daniel Villalba. Alejandro Enrique Suarez Reyes.
This paper evaluates the mechanical properties, modulus of elasticity (E) and critical stress intensity factor (KIC), of self?compacting concrete with the addition of hook-ended steel fibers, implementing Digital Image Correlation (DIC) to obtain the horizontal and vertical dis...
Autor(es): Eduardo Zapata. David Sebastian Cotes. Valeria Quiceno.
Shake-table studies were conducted on a large-scale, two-span accelerated bridge construction (ABC) bridge model that incorporated 38 precast concrete elements and six emulative ABC connection types. The studies were aimed to assess the seismic performance of the bridge model and...
Autor(es): Jose Miguel Benjumea. M. Said Saiidi. Ahmad Itani.
The páramos biome of the northern Andes is a collection of high-mountain tropical grassland wetland ecosystems that provides important ecosystem services including hydrological buffering and water supply. Human activities in these ecosystems transform vegetation cover and soil hy...
Autor(es): Sebastian Elias Patiño. Isabel Cristina Dominguez. Edgar Ricardo Oviedo. Martha Constanza Daza Torrez. Wouter Buytaert. Boris Ochoa Tocachi.
Physical disturbances in streams have important effects on rates of gross primary production (GPP) and ecosystem respiration (ER). Underlying lithology can control sediment size, amount, and evolution in the stream, influencing substrate stability and in turn benthic organisms. W...
Autor(es): Sandra Rocio Villamizar. Samantha K. Cargill. Catalina Segura. Dana R. Warren.