5 articles in this issue
Eric Moreno,Romel Solis,Luis Apostela y Pardo
The use of pozzolana to improve the characteristics of concrete has been one of the main innovations in concrete technology. This art was known 2000 years ago during the Romans Era, but it was lost during de Middle Age, and it was not rediscovered u... see more
Ramón Ross,Velko Zuvic
This paper describes the development of the project designared as Line 4 of the Santiago's subway, which includes the construction of a new railway fine with 32.4 kilometers of longitvde, consisting of underground, surface and elevared tracks in the ... see more
Guillermo Thenoux,Álvaro González,Marcelo González
The paper presents a description of the technology of concrete pavement rehabilitation and demolition applying the rubblizing construction technique. Thistechnique basically consists of fracturing concrete pavement in angular and interlocked pieces using ... see more
Alejandro Ruiz Sibaja,Jorge López Ríos,José Martínez Jiménez
A mathematical model to identify the dynamic matrices of rigidity and flexibility of reticular structures starting from data of forced vibration measurementis presented. In the proposition it is considered that the behavior of the structural system is lin... see more
María Carmen Rubio,Antonio Menéndez,Germán Martínez,Juan Carlos Rubio
The construction industry is one of the most important economic activities in most of the countries. Nowadays, society demands civil engineering works tobe carried out under quality criteria, with respect for the environment and assuring the safety and he... see more