FIELD: construction, particularly improving and preserving soil or rock by rolling with rollers usable only for or specially adapted for soil compaction, for instance trench rollers.
SUBSTANCE: device segments have cross-sections shaped as rectangular trapezes with rounded corners. Space between segments secured to connecting-rods is minimal. Centers of segment curvatures are located in extensions of connecting-rod axes and spaced a distance r2 from hinge, which connects ground compaction segment with connecting-rod, wherein r2=r1/[1-cos(arctg r1/r2)], here r1 is connecting-rod length, b is length of block linkage mechanism post.
EFFECT: provision of continuous trench bottom and wall compaction without additional device usage and lengthwise movement mechanisms, as well as improved trench bottom flatness.
4 dwg
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