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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Zhutňování vyklizovacích linek vlivem kolových těžebně dopravních systémů =: Strip road compaction caused by wheeled logging machinery /
 Kleibl, Miroslav
The aim of the study is an assessment of forest soil compaction caused by wheeled logging technology and the soil ability to regenerate into the original conditions. The method is based on assumption that multiple passage significantly affects the rate of compaction and that the compaction occurs not only on striproads, but reaches deeper into the stand. After the operation the soil has an ability to return into the original condition thanks to natural processes. The return level assessment is done using a range of laboratory tests and a number of devices, respectively. Each of the device works on different principle which sets the limitation of usage and the study ambition is also an evaluation, which kind of device is applicable for soil compaction assessment. The results of the study displays that the soil compaction reaches more than 1 m deep into the stand side of the striproad. The regeneration ability of the soil into the original condition is visible after 5 years after the operation and on sandy soils can reach about 50%. For assessment of the soil compaction and soil recovery could be used in limited applicability deflectometer, penetrometer, laboratory tests of Kopecky metal rings and CO2 gauge, respectively. Since the limitation of each method or device, the assumption of the study is different devices combination during evaluation process.
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Geodetical detection of soil horizont subsidence in tile drainet areas.
 PICHLÍKOVÁ, Jana
The goal of my work is to verify the effectiveness of various methods of collecting geodetic data in order to locate the decline of soil horizont in the dewatered areas.
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