Densitometer (geotechnical engineering)
A densitometer is a device that can be used to determine the density of a soil. It is used in soil mechanics as one of several possibilities.
use
The use is regulated in geotechnical engineering in DIN 18125-2 , this method is also called balloon method.
After the sward has been removed , a metal circular disc is placed on the ground. The loose rock is excavated through the hole in the metal ring by 1 to 1.5 times the inner diameter of the ring. A rubber bladder filled with water is then pressed into the hole using a densitometer. A scale is attached to the densitometer, which can be read (indirectly, after conversion) which volume of water was pressed into the rubber bladder in order to determine the volume of the hole. This volume is related to the mass of the wet sample - the wet density is obtained. The water content of the soil sample is then determined by drying in order to ultimately be able to calculate the dry density of the soil.
Other procedures
In addition to the densitometer method, the sand replacement method and the cylinder extraction method are also used to determine the density of soils according to DIN 18125-2.
Web links
- Environmental project (brochure) (PDF; 6.8 MB)
Individual evidence
- ↑ [1] ( Page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
- ↑ Archive link ( Memento of the original dated February 22, 2014 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
