| Table of contents Cienc. Ing. Neogranad. vol.31 no.2 Bogotá July/Dec. 2021 Editorial | | | | · Editorial
| | | Articles | | | | · Optimizing the Design of Structures Formed by Moment-Resisting Steel Frames Resistant and Tuned Mass Dampers (TMD) Ramírez Ospina, Ana Milena; González Muñoz, José Alex; Cundumi Sánchez, Orlando; Villalba Morales, Jesús Daniel
| | | | · High-strength Concrete with Natural Aggregates, Silica Fume, and Polypropylene Macrofibers Torres-Ortega, Ramón; Quiñonez-Bolaños, Edgar; Tejada-Tovar, Candelaria; García-Díaz, Yineth; Cabarcas-Torres, Ibeth
| | | | · Clustering Approach to Generate Pedestrian Traffic Pattern Groups: An Exploratory Analysis Matamoros-Jiménez, Carolina; Hernández-Vega, Henry
| | | | · Dielectric Properties of Asphalt: Review Rondón Quintana, Hugo Alexander; Castro López, William Andrés; Castillo Chamorro, José Humberto
| | | | · Applied Metaheuristic Optimization in Asphalt Pavement Management Vásquez-Varela, Luis R.; García-Orozco, Francisco J.
| | | | · Structural Typology of Buildings in Urban Expansion Processes Rojas Gamba, Néstor Iván; Medina Sierra, Wilson Alfredo; Fonseca Salamanca, Liby Angélica; Lobaton Piñeros, Giovanna Mayelle
| | | | · Performance Assessment of a Radiant System. Case Study: eNodeB for 3G Paz Penagos, Hernán
| | | | · Advanced Treatments for Wastewater Purification Ortega Ramírez, Angie Tatiana; Sánchez Rodríguez, Natalia
| | | | · Hydrolysis of Red Beet Bagasse and Modeling of Hydrolysates for Bioethanol Production Jiménez-Islas, Donaji; Rivera-Ríos, Juan Manuel; Venegas Sánchez, Josué Addiel; Gracida Rodríguez, Jorge Noel
| | | | · Quantifying the Effect of LiDAR Data Density on DEM Quality Garzón Barrero, Julián; Cubides Burbano, Carlos Eduardo; Jiménez-Cleves, Gonzalo
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