Journal
APPLIED SCIENCES-BASEL
Volume 12, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/app122211708
Keywords
eastern Croatia; rammed earth; shear strength; fiber additives; lime
Categories
Funding
- Croatian Science Foundation [UIP-2020-02-7363]
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This study provides support for the conservation and preservation of traditional rammed earth houses in Croatia by analyzing and testing the materials and characteristics of these buildings.
Earthen architecture largely supports the concept of sustainable building. In the seismically active area of eastern Croatia, there is a large number of rammed earth houses, many of which are over 100 years old. All these houses were built using empirical knowledge, i.e., without applying national design standards. In order to support the preservation of ethnic villages and traditional rammed earth houses, a field survey was conducted. Parts of the walls of traditional rammed earth houses were collected, and the material was thoroughly analyzed. Samples of rammed earth were reproduced, and tests were carried out with the aim of determining the shear strength to subsequently determine the seismic behavior of Croatian traditional earthen architecture. This paper presents the results of shear strength tests on samples with different particle size distributions, lime content, the straw of different cereals but also hemp fibers. An increase in shear strength was observed with the addition of natural fibers to the samples.
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