Engineer's Report: Seismic Performance Evaluation and Tire Construction AnalysisThis engineering analysis is a compilation of studies and calculations conducted between 1990 and 1993 by Thomas E. Griepentrog, P.E. of Buckhorn Geotech, Consulting Engineers and Geologists of Montrose, Colorado and Kenneth D. DeLapp of DeLapp Engineering in Santa Fe, New Mexico. This report is a thorough analysis of all structural aspects of the Earthrammed Tire Walls of the Earthship design by Architect Michael Reynolds. This book also includes relevant parts (specific to Earthships) of a F.E.M.A. (Federal Emergency Management Agency) evaluation that researches many types of alternative building. |
Common terms and phrases
1200 Component type 15-inch tires 1st fir int 28 base shear 2nd fir adobe walls area 1200 Component Assumed seismic Rw Assumed wall seismic base shear demand bearing capacity berm bond beam BUCKHORNGEOTECH built coefficients of friction collar beams Colorado Component type width concrete footing Construction Industries Division Dennis Weaver earth cliff earth-filled tire earthship construction earthship house feet fir exterior walls Footprint area 1200 foundation interior Kenneth D La Plata County Max Clark Mexico Michael Reynolds Mike Reynolds Ouray County psf x 30 rammed earth seismic Rw value seismic shear stress shear stress capacity similar to adobe soil bearing soil pressures soils engineer solar Structural Engineer Taos tests tire wall tire-to-tire Total floor area Transverse demand/capacity ratio Transverse wall capacity Transverse wind type width length vertical cut wall seismic shear Weaver house Weaver residence weight/floor area weight/footprint area width length factor ZIC/Rw Zone 28 base Zone 2B