Evaluation Of The Dynamic Characteristics
Of Typical Inca Heritage Structures
In Machupicchu
Author(s)
C. Cuadra, Y. Sato, J. Tokeshi, H. Kanno, J. Ogawa, M. B. Karkee
& J. Rojas
Abstract
As an initial step to evaluating the seismic vulnerability of Inca constructions at
the Machupicchu citadel, dynamic characterization of typical buildings units has
been undertaken. This forms a part of the outcome from the field study program,
which included microtremor measurement of free field and typical constructions,
planned and undertaken by the authors. In this paper, the results of the
microtremor measurements are discussed in relation to the analytical procedure
to be adopted to estimate the dynamic characteristics of the Inca stone structures.
The analytical results are compared with the measurements to calibrate the
analytical model. Since microtremor measurements involve very small
displacements, it is assumed that at this level the behavior of the stone structures
is elastic and the corresponding parameters are applicable to small strain
conditions. Using these results, an approach has been proposed to evaluate the
seismic behavior and hence the seismic vulnerability of these structures. The
procedure also permits identification of the probable mode of failure of the
structures concerned.
Keywords: Machupicchu citadel, microtremor measurements, stone structures.
1 Introduction
Machupicchu citadel is the most well-known of Inca’s archeological sites. It was
built before the arrival of the Spanish conquistadors and abandoned after the Inca
Empire collapsed by the year 1540 A.D. During almost four centuries, this
Keywords
Machupicchu citadel, microtremor measurements, stone structures.
Related Book
Other papers in this volume
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