Page 451 - Advanced Design Examples of Seismic Retrofit of Structures

Examples of Nonengineered Buildings Chapter 6 397

FIG. 6.5 Various types of mesh. (A) Steel woven mesh. (B) Steel welded mesh. (C) Steel bar grids
with large cells. (D) Polymer mesh with diamond-shape cells. (E) Chicken wire. (F) Plastic meh with
hexagon-shape cells.

example, ASCE 41, seismic retrofit of adobe buildings relies greatly on engi-
neering judgment, experience, and authentic experimental data. In the follow-
ing, several years of research and experience from around the world in the area
of seismic retrofit of adobe buildings are presented.

6.4.1 US Experiences

6.4.1.1 Introduction
Many of the early structures that date back to the Spanish colonial period in the
southwestern United States were built of mud brick, or adobe. Approximately
900 adobes were originally constructed in the San Francisco Bay Area alone;
the number had dropped to about 65 by the 1940s. Today, fewer than 350