(Artikel nur auf englisch, französisch und italienisch verfügbar)
The fast growing number of reported hazards due to drought, increased the need to study the relationship of precipitation frequency and cracking phenomena.
The rainfall data and hazards number of a limited geographical area have been studied to determine the most suitable index for prediction of future problematic periods. Also the effects of drought on foundation ground have been monitored to work out a method to solve or prevent problems on construction related with swelling and shrinking of clayey soils. The comparison of the effects on soil of drought and of high expansion pressure resin injections showed that they are quite similar in terms of stiffness increase, but the higher density of soil compressed by resin injections, prevents strong future volume variations.
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