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Measurement of soil moisture using gypsum blocks

By B. Friis Dela

Abstract

I de sidste 50 år har gipsblokke været brugt til at bestemme fugtindhold i jord. Denne rapport beskriver en kalibreringsprocedure for gipsblokke der anvendes til måling af fugtindhold i jord. Fugtforholdene inden i en bygning påvirkes stærkt af fugtforholdene i jorden omkring bygningen. Derfor er det yderst vigtigt at foretage fugtmålinger af den omliggende jord for at bestemme en bygnings fugtkilde. Indtil nu har det været nødvendigt at udføre individuelle kalibreringer for de forskellige slags gipsblokke, der findes på markedet, og gøre rede for individuelle temperaturafhængigheder. Med denne rapport er den information nu tilgængelig.For the past 50 years, gypsum blocks have been used to determine soil moisture content. This report describes a method for calibrating gypsum blocks for soil moisture measurements. Moisture conditions inside a building are strongly influenced by the moisture conditions in the soil surrounding the building. Consequently, measuring the moisture of the surrounding soil is of great importance for detecting the source of moisture in a building. Up till now, information has been needed to carry out individual calibrations for the different types of gypsum blocks available on the market and to account for individual temperature dependencies. But with this report, the information is now available

Topics: byggematerialer, fugt, jord, gipsblokke, kalibrering, building materials, moisture, soil
Publisher: SBI forlag
Year: 2001
OAI identifier: oai:pure.atira.dk:publications/0e4c98b0-165e-11dc-a5a4-000ea68e967b
Provided by: VBN
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