different depths ( ztvt- stb 95* ) ( ztve- stb 94) degree of compaction d pr in % ≥ 103 ≥ 100 ≥ 98 ≥ 97 ≥ 100 ≥ 98 ≥ 97 ≥ 100 ≥ 97 based on benchmarks for the allocation to d pr ( ztve- stb 09) deflection modulus e v2 in mn/ m 2 ≥ ≥ 80 ≥ 70 ≥ 80 ≥ 70 ≥ 6