Sistema Regional de Información
en línea para Revistas Científicas de América Latina,
el Caribe, España y Portugal

On Saturday, April 16, 2016, around 19h00, the earthquake started in front of the Ecuador coasts. The next day was different for Esmeraldas, Manabí and the whole country. Talking about public procurement, takes too long to rebuild the devastated areas. A year later, was analyzed how to proceeded in the emergency; the actions of the public administration and its officials in a state of emergency and verify the integral reparation.

El estudio científico de las así llamadas garantías jurisdiccionales que permiten la tutela de los derechos constitucionales es uno de los temas más importantes del derecho constitucional contemporáneo, y, sin embargo, no resulta una cuestión sobre la cual puedan encontrarse análisis que abarquen aspectos cuantitativos y cualitativos, como sí resulta el que es objeto de la presente reseña publicado bajo el nombre de La acción de protección en Ecuador. Realidad jurídica y social. Claudia Storini y Marco Navas Alvear, La acción de protección en Ecuador. Realidad jurídica y social (Quito: Corte Constitucional del Ecuador, 2013).

Este libro es producto de una investigación desarrollada entre el año 2012 y 2014 en el marco del Proyecto UBACyT de la Universidad de Buenos Aires; su importancia radica en el deseo de los autores por profundizar en el análisis de las consecuencias jurídicas de los desastres naturales para plantear soluciones en el contexto del derecho internacional.

El género puede ser empleado como un prisma de análisis contextual de las relaciones asimétricas de poder de los sujetos, y constituye una herramienta necesaria para construir un camino emancipador y democrático que materialice los proyectos de vida dignos y diversos.

The present research resulted in a standardized laboratory test for the evaluation of physical and mechanical properties in a simulated exposure environment by immersion in 3% NaCl solution. The physical and mechanical evaluation was performed on reinforced cylindrical specimens of 30 cm high and 15 cm in diameter, made of concrete with partial replacement of the cement by dose silica in 10% and 15% water cement ratio of 0,45 and 0,65 and design strength of 250 Kgf/cm². Settlement tests, porosity, capillary absorption and mechanical resistance were performed In a period of 5 months, the influence of the substitutions of silica dust in the concrete mixtures with respect to the standard mixtures was analyzed, obtaining an increase in the mechanical resistance with respect to the design, in the ratio a/c 0,45, for the a/c ratio 0,65 reached acceptable values for the substituted mixtures with respect to the mechanical strength compared with the design, as for the porosity and capillary absorption tests were not satisfactory for any relation to a/c probably due to lack of curing prior to exposure

Steel connections are a fundamental part in the design and construction process of metal structures. Making this connections design becomes an extensive mathematical procedure, which would generate delays manually due to the number of iterations necessary to obtain an adequate result. There are commercial programs that perform these procedures in an automated way, but their licenses tend to be very expensive, and emphasizing the above, this work has the purpose of creating a free and easy to use software for the design of BFP and RBS connections according to the guidelines established by the ANSI / AISC standard 358-2016. In addition, at the same time incorporate an additional tool for the teaching of matters related to connections in steel structures. The software is accompanied by a user manual that describes step by step some common examples of calculation, which can be used to teach the use of software. The results obtained by the program were compared with exercises developed by other authors, reflecting quite low percentages of difference and with them the acceptance of the results obtained with the program

In the present work of investigation the numerical behavior of structural profiles of steel of thin wall is studied, of Venezuelan national production Conduven ECO, of square cross section, constructed in the form of beam type cantilever, under the effects of Fatigue of Ultra-Low Cycling. Experimental tests were carried out where histories of cyclic displacements were applied, with very low speed and acting in a range that goes from the yielding effort to the last effort of the element, obtaining a degradation of the resistant capacity of the profiles, these experimental results were compared with the numerical simulations made through a commercial program of finite elements, obtaining satisfactory results.

The objective proposed in this work was to find out if there is a relationship between the beginning of summer time in Mexico and the number of road accidents, since the entrance of such schedule causes fatigue, which is reported as a cause of accidents. The permutations test was used and there was no evidence of an increase in accidents associated with the entry of summer time. The limitations of the study are, on the one hand, the lack of accident records prior to the implementation of summer time and, on the other, not having controlled the time of occurrence of the accidents analyzed; in future cases it is recommended to control this last variable. Summer time in Mexico was implemented since 1996 and its effects on road traffic accidents had not yet been studied; the originality of the present study lies in studying such effects. The findings suggest that vehicular driving with natural light provides greater safety even when the driver is fatigued

The Construction Camera of the Lara State in Venezuela has been encouraging courses through the agreement established with the School of Civil Engineering of the Centroccidental University Lisandro Alvarado, with the purpose of updating and maintaining a system of continuous training of its members in the construction area. It has specialized chairs taught at higher levels within the civil engineering career itself, as is the subject "Construction Management" to specific courses in the structural area. Likewise, the Internship Unit is supported by locating students who need to complete professional internships in companies affiliated with the Camera; including consultancies in degree works from the civil engineering area

The journal Gaceta Técnica in this new issue of the year 2018 opens on the Open Journal Systems platform, as part of an institutional project led by the Institutional Commission of Scientific Journal Directors of the Centroccidental Lisandro Alvarado University. The objective, in the first instance, is to place the journals attached to the institution in a free management platform, for free access to the contents published therein, favoring editorial management, visibility and harvesting of articles by of the various indices. The journal Gaceta Técnica in this way acquires a new look, in the search to maintain the knowledge that is projected through it.