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In the last three years the research program was conducted in the Czech Republic, which was aimed on the in-situ penetration tests results interpretation. Geotechnical engineers and statisticians from academic environment and engineering geologists from private companies dealing with geological survey were incorporated into the research team. The main objective of the research was to improve methodology of interpretation the dynamic penetration test (DPT) and cone penetration test (CPT) records. This was achieved ...

Grouted ground anchor is a structural component used to transmit tension force from the structure to the subgrade. Determination of the ground anchors ultimate carrying capacity is mostly conducted using various empirical and semi-empirical methods. These procedures are usually successful, but highly simplified. Hence, each system ground anchor has to be tested during its prestressing to prove design assumptions. The aim of the test is to prove accomplishment of acceptance criteria, which has been defined to demon...

Construction and demolition materials are generated when existing buildings are demolished. The concrete / masonry recycled aggregates can be used within trench reinstatement works. The aim of conducted experiment is to find a methodology for evaluating the effect of backfill compaction works via dynamic penetration tests (DPT). The first part of paper describes construction of testing pit located in research center AdMaS (Czech Republic). The paper continues then with the description of compaction and testing pro...