Vol. 19 No. 3 (2004)

Original Research

• Characterization of the Popocatepetl volcano´s ash and its application as cementing material in its natural condition

  Eric Moreno, Romel Solis, Luis Apostela y Pardo

• The viaduct of Line 4 of Santiago's subway: its conception and design

  Velko Zuvic, Ramón Ross

  137-146

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• Study, analysis and economic evaluation of concrete pavement Rubblizing using resonant vibration technology

  Álvaro González, Guillermo Thenoux, Marcelo González

  149-156

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• methodology for characterizing reticular structures using data from forced vibration measurement

  Alejandro Ruiz Sibaja, Jorge López Ríos, José Martínez Jiménez

  159-168

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• Managing occupational health and safety in the civil engineering constructions

  Mª Carmen Rubio, Antonio Menéndez, Germán Martínez, Juan Carlos Rubio

  171- 175

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