The present disclosure relates to automated dynamic compaction systems. A system for dynamic compaction includes a compaction crane having a boom and compaction weight, at least one positional sensor, at least one boom deflection sensor, a rotational encoder, and a compaction control system. The compaction control system may be programmed to identify a first drop location having a first target parameter, determine whether the compaction crane is positioned over the first drop location, determine an initial elevation of the compaction weight, lift the compaction weight to a drop height, detect that the compaction weight has been released, re-hoist the compaction weight to the drop height, measure the payout length of a winch cable after each drop, determine a current elevation of the compaction weight after each drop, and determine whether the first target parameter has been satisfied.

The invention relates to a work machine, comprising a mast having a mast head, a support cable which is guided along the mast, over the mast head, a cable winch comprising a rotatably mounted winding drum to which the support cable is attached for winding up and unwinding, a work element which is arranged on the support cable for vertical movement, and a control unit, by means of which the cable winch can be operated in an unwinding mode, for unwinding the support cable from the winding drum, in which mode the work element is lowered, on the support cable, as far as a base surface. According to the invention, a cable contact pressure means comprising at least one contact pressure element is provided, which element can be adjusted into a contact pressure position by the control unit, by means of an actuating member, in order to counteract a cable oscillation of the support cable when the base surface is struck, in which contact pressure position the contact pressure element rests on the support cable at a contact pressure force.

The invention relates to a work machine, comprising a mast having a mast head, a support cable which is guided along the mast, over the mast head, a cable winch comprising a rotatably mounted winding drum to which the support cable is attached for winding up and unwinding, a work element which is arranged on the support cable for vertical movement, and a control unit, by means of which the cable winch can be operated in an unwinding mode, for unwinding the support cable from the winding drum, in which mode the work element is lowered, on the support cable, as far as a base surface. According to the invention, a cable contact pressure means comprising at least one contact pressure element is provided, which element can be adjusted into a contact pressure position by the control unit, by means of an actuating member, in order to counteract a cable oscillation of the support cable when the base surface is struck, in which contact pressure position the contact pressure element rests on the support cable at a contact pressure force.

In one aspect of the disclosure, a cylinder-driven lifting mechanism of a compaction machine includes a cylinder having a first end and a second end, a fixed pulley set, a movable pulley set, a rope having a head end, and a tail end configured to connect a compaction hammer. The first end of the cylinder is connected to a vehicle body of the compaction machine and the second end of the cylinder is connected to the movable pulley set. The rope is wound on the fixed pulley set and the movable pulley set and is then connected to the compaction hammer. When the cylinder performs extension and refraction movement, the movable pulley set moves with the cylinder, the distance between the movable pulley set and the fixed pulley set increases or decreases, and the compaction hammer connected to the tail end of the rope is lifted up or dropped respectively.

In one aspect of the disclosure, a cylinder-driven lifting mechanism of a compaction machine includes a cylinder having a first end and a second end, a fixed pulley set, a movable pulley set, a rope having a head end, and a tail end configured to connect a compaction hammer. The first end of the cylinder is connected to a vehicle body of the compaction machine and the second end of the cylinder is connected to the movable pulley set. The rope is wound on the fixed pulley set and the movable pulley set and is then connected to the compaction hammer. When the cylinder performs extension and refraction movement, the movable pulley set moves with the cylinder, the distance between the movable pulley set and the fixed pulley set increases or decreases, and the compaction hammer connected to the tail end of the rope is lifted up or dropped respectively.

The present invention relates to a method for operating an attachable compactor, an attachable compactor as well as an excavator with an attachable compactor. For a corresponding efficient operation in accordance with the present invention, a display indicates the end of a time interval (required compaction time) that depends on a measured contact force or a parameter corresponding to the contact force.

The present invention relates to a method for operating an attachable compactor, an attachable compactor as well as an excavator with an attachable compactor. For a corresponding efficient operation in accordance with the present invention, a display indicates the end of a time interval (required compaction time) that depends on a measured contact force or a parameter corresponding to the contact force.

A method includes receiving first information indicative of a location of a perimeter of a worksite surface, and receiving second information indicative of compaction requirements specific to the worksite surface. The method also includes generating a compaction plan based at least partly on the first and second information. Such a compaction plan includes a travel path for a compaction machine. In such a method, the travel path is substantially within the perimeter of the worksite surface. The method also includes causing at least part of the travel path to be displayed via a control interface of the compaction machine. The method further includes receiving an input indicative of approval of the travel path, and controlling operation of the compaction machine on the worksite surface, in accordance with the compaction plan, based at least partly on receiving the input.

A method includes receiving first information indicative of a location of a perimeter of a worksite surface, and receiving second information indicative of compaction requirements specific to the worksite surface. The method also includes generating a compaction plan based at least partly on the first and second information. Such a compaction plan includes a travel path for a compaction machine. In such a method, the travel path is substantially within the perimeter of the worksite surface. The method also includes causing at least part of the travel path to be displayed via a control interface of the compaction machine. The method further includes receiving an input indicative of approval of the travel path, and controlling operation of the compaction machine on the worksite surface, in accordance with the compaction plan, based at least partly on receiving the input.

A structure that includes strut tubes that receive and hold within them a granular material—soil, sand, gravel, regolith, or plastic pellets—to which compression is applied after loading. By this means the struts are stiffened to facilitate its use as a durable shelter. The structure is erected by inflating the strut tubes with a fluid which is then displaced with the granular material before compression is applied.