A soil compactor, comprising: at least two vibrating compacting rollers rotatable about a respective roller axis of rotation, a vibration excitation arrangement assigned to each vibrating compacting roller for generating a vibrating movement of the vibrating compacting rollers, a vibration detection arrangement assigned to each vibrating compacting roller for providing a vibration variable representing the vibrating movement of each vibrating compacting roller, a control unit for controlling at least one vibration excitation arrangement, based on the vibration variables provided with respect to the vibrating compacting rollers in such a way that the vibrating movements of the vibrating compacting rollers have a predefined phase offset to one another.

A processing apparatus is used for surface treatment of undried concrete. The processing apparatus comprises a main body portion placed on the undried concrete; a first roller provided on a bottom portion of the main body portion; a second roller provided on a back side of the first roller on the bottom portion and arranged in parallel to the first roller; a driving portion mounted on the main body portion and configured to give a rotational driving force to the first roller and the second roller; and a handle portion protruded forward from the main body portion to be held by an operator who stands in front of the main body portion. The first roller and the second roller are configured to idle in such a state that the first roller and the second roller come into contact with a surface of the undried concrete by the rotational driving force of the driving portion, when the operator holds the handle portion to move the main body portion forward.

Soil compactor including a compaction drum rotatably supported by a compaction roller frame, wherein the compaction drum frame comprises two longitudinal members arranged in a direction longitudinal to the compactor on both sides of the compaction roller and supporting said compaction roller, and, connecting the two longitudinal members together, two cross members arranged in a direction perpendicular to the compactor and along both sides of the compaction roller, wherein the compaction roller frame is connected to a compactor main frame via one of the two cross members, and wherein at least one sight opening is provided within the other of the two cross members.

A screed assembly for a paving machine is disclosed. The screed assembly includes a screed plate having a front edge, a first plate positioned in front of the front edge of the screed plate. The first plate defining having a first thickness. A temperature sensor is coupled to the first plate. The temperature sensor is configured to determine a temperature of a paving material, whereby the temperature of the paving material is measured before the paving material comes into contact with the screed plate.

Systems and methods to provide pressed aggregate-filled cavities for improving ground stiffness and uniformity are disclosed. According to an aspect, a method includes using a mechanism to press into a ground surface in a substantially downward direction to create a concavity. The method also includes substantially or completely filling the concavity with unstabilized or chemically stabilized aggregate, soil, or sand. Further, the method includes using the mechanism to press the aggregate within the concavity to achieve a desired ground stiffness.

A soil preparation roller system for a soil preparation machine includes a roller body rotatable around a roller rotational axis having a carrier structure for the rotatable mounting of the roller body and having a carrier jacket supported on the radial outside on the carrier structure, a group of working jackets to be positioned abutting a carrier jacket outer side and providing a working outer side of a soil preparation roller. Each working jacket includes a plurality of working jacket segments to be arranged successively in the circumferential direction completely enclosing the roller body annularly, and the group of working jackets includes at least two working jackets having essentially equal mass to one another.

A soil working roller for a soil processing machine comprises a roller body (22), rotatable about a roller axis of rotation (W), with a support structure (28) for rotatable mounting of the roller body (22) and with a support sheath (34) supported radially outward on the support structure (22), further comprising a working sheath (38), which contacts a support sheath outer side (36) and provides a working exterior (46) of the soil working roller (20) and comprises a plurality of working sheath segments (40), following one another in the circumferential direction, wherein each working sheath segment (40) has a segment shell (42) and a plurality of radially inwardly projecting fastening means (76) are fixedly arranged on each segment shell (42) facing the support sheath outer side (36) of the support sheath (34) and/or on the segment shell inner side supporting the support sheath outer side (36), and wherein a fastening means through opening (78) is provided in the support sheath (34) in association with each fastening means (76), and each fastening means (76) engaging through a fastening means through opening (78) projects on a support sheath inner side of the support sheath (34) for fastening to or with respect to the roller body (22).

A method includes causing, with a controller, operation of a first compaction machine at a worksite based at least in part on a worksite plan. The method also includes determining, with the controller, a return path extending from a current location of the first machine to a charging zone located at the worksite, and determining, with the controller, a return power required for the first machine to traverse the return path. The method further includes causing, with the controller, the first machine to traverse the return path, from the current location to the charging zone, based on at least one of the return power and an amount of available power stored in an energy storage device of the first machine.

The present invention relates to a ground compaction apparatus for compacting a subsoil cover layer, with at least one compaction roller, a cover edge processing apparatus comprising an edge processing roller and having a cut material deflector, the cut material deflector being mounted on the cover edge processing apparatus with the aid of a mounting device, the mounting device being configured such that the relative position of the at least one material guide surface of the cut material deflector can be changed automatically with respect to the adjustable roller holding device of the cover edge processing apparatus. The present invention also relates to an asphalt roller having such a ground compaction apparatus and a method for operating such a ground compaction apparatus.

A curb former (10) is disclosed, and includes a rotatable drive shaft (20), a gutter drum (80), and a curb profiling drum (100). The gutter drum (80) is secured to the drive shaft (20) such that the drive shaft (20) and gutter drum (80) rotate together. The curb profiling drum (100) is detachably secured relative to both the drive shaft (20) and the gutter drum (80). This configuration allows one curb profiling drum (100) to be replaced with another curb profiling drum (100) to change the profile of a curb resulting from a curbing operation using the curb former (10).