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STATE OF THE ART OF MASONRY AND ADOBE BUILDINGS IN PERU

UNIVERSIDAD NACIONAL DE INGENIERIA LIMA-PERU Facultad de Ingeniería Civil. STATE OF THE ART OF MASONRY AND ADOBE BUILDINGS IN PERU. Patricia GIBU & Carlos ZAVALA. CENTRO PERUANO JAPONES DE INVESTIGACIONES SISMICAS Y MITIGACION DE DESASTRES - CISMID. Topics. 1. Use of adobe and masonry.

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STATE OF THE ART OF MASONRY AND ADOBE BUILDINGS IN PERU

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  1. UNIVERSIDAD NACIONAL DE INGENIERIA LIMA-PERU Facultad de Ingeniería Civil STATE OF THE ART OF MASONRY AND ADOBE BUILDINGS IN PERU Patricia GIBU & Carlos ZAVALA CENTRO PERUANO JAPONES DE INVESTIGACIONESSISMICAS Y MITIGACION DE DESASTRES - CISMID

  2. Topics 1. Use of adobe and masonry 2. Standards vs. Design & construction 3. Experimental, analytical and diffussion work at CISMID Adobe Masonry Other related 4. Structural Laboratory at CISMID PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  3. 1. USE OF ADOBE & MASONRY MASONRY • Extensively use for houses & small buildings (up 5 stories) in urban areas • Confining elements (RC beam, colums) PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  4. 1. use of adobe & masonry ADOBE • Commonly used for houses (up 5 stories) in countryside: small towns & rural areas • Built by the users themselves PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  5. 2. STANDARDS VS. DESIGN& CONSTRUCTION Both materials included in National Standard for Construction (RNC) as a specific codes for each material MASONRY (NTE-E070-1982) • Elastic Design under service conditions • Provide allowable stresses values • New proposal: ultimate capacity approach – planning, wall density, design details for RC elements D&C:Local goverment offices: project examination vs. actual construction up to workers or foreman as contractor. Among elder&young engineers: missunderstanding of system (RC) PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  6. 2. Standards vs. Design & Construction ADOBE (NTE-E080-1999) • Simple reinforcing elements are required: cane rods, wood, wire mesh or RC elements • Allowable stresses based on unit compression strength D&C: design or check are rarely made. Owners construct by themselves difficult to promote use of reinforcing element if means higher cost PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  7. 3. EXPERIMENTAL, ANALYTICAL & DIFUSSION WORK AT CISMID a) Adobe walls retroffiting (Zavala&Igarashi) at the corners of walls of existing houses using polietilene textile (bags) carrizo mat (estera) PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  8. 3. Experimental.... Work at CISMID b) Brochure on Tapial construction (Planning Dpt: Alarcon&Rios) Diffusion promoted jointly with private mining company PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  9. 3. Experimental.... Work at CISMID c) Optimization of masonry structures – Phase 1 : Materials(Chariarse&Pique&Scaletti 1990) JOINTLY RESEARCH SUPPORTED BY JICA PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  10. 3. Experimental.... Work at CISMID d) Confined Masonry walls – Lateral cyclic loading(Gibu&Serida&Pique 1993) Undergraduate Civ. Eng.Thesis supported by Buckley&Konno Engs. Different kinds of reinforcement and parameters studied (axial load, connection wall-confining column) PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  11. 3. Experimental.... Work at CISMID e) An Analytical Study of Behavior of Confined Masonry under Lateral cyclic loading (Rojas, V. 1994) Adopting a micro-model proposed by Noguchi (1984), numerical analysis was performed using previous experimental data of tested walls. Comparison of failure pattern PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  12. 3. Experimental.... Work at CISMID f) Full Scale on Line Test on Two Story Masonry Building Using Handmade Bricks (Zavala, Honma, Gibu &Gallardo, 2002) Under support of Japanese side: BRI, Yokohama Ntl. Univ., Center for Better Living & IDI) Monitoring Construction Material & walls testing Full scale model testing Masonry Construction Guide PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  13. 3. Experimental.... Work at CISMID f) ...Full Scale on Line Test on Two Story Masonry Building Test specimen setting & Guide for construction PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  14. 以上- MUCHAS GRACIAS PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  15. 4. STRUCTURAL LABORATORY AT CISMIDSteel structures behavior a) Structural components (braces, beams, columns, joints) PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  16. b) Full scale structures PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  17. Traditional structures (adobe & masonry) PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  18. Others works & services a) Thin wall systems PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  19. b) Special structures PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  20. c) Urban Vulnerabilty models PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  21. Energy disipation devices PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

  22. Services PERÚ-JAPAN CENTER FOR EARTHQUAKE ENGINEERING RESEARCH AND DISASTER MITIGATION

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