A system for performing a standard penetration test, including a hammer assembly with a hammer and a hammer lifting device, an elevator assembly for raising and lowering the hammer assembly, a hammer sensor for sensing a position of the hammer within the hammer assembly, and an elevator sensor for sensing a position of the hammer assembly relative to the elevator assembly. A method for performing a standard penetration test, including positioning a hammer assembly at a hammer assembly ready position, sensing with an elevator sensor a reference position of a hammer assembly relative to the elevator assembly, sensing with a hammer sensor a zero position of a hammer, lifting the hammer with a hammer lifting device from the zero position to a drop position of the hammer, sensing with the hammer sensor the drop position, and dropping the hammer onto an anvil.

The expandable jacket and flexible ring comprises of the segmented circular arch shaped plates and bands or rings around the segmented plates. The test preparation consists of a membrane surrounding a specimen with or without a filter, segmented plates surrounding the membrane, and bands or rings around the segmented plates to permit uniform radial expansion of the specimen through its height when increments of vertical load are applied during the test, thereby providing accurate values of area of cross-section, deviator stress, volume change, modulus of elasticity, Poisson's ratio and shear strength. Using the flexible ring, three-dimensional consolidation tests are performed to determine three-dimensional coefficient of consolidation and coefficients of consolidation in horizontal and vertical directions. Removable attachments are used for assembling the expandable jacket and flexible ring during the test. A calibration device is used to determine the modulus of elasticity of the membrane and expandable jacket and flexible ring.

A sampling apparatus for collecting geological samples from the subsurface is fixable to a drill, such as to a mining drill rig. The drill apparatus includes a chassis, and a drill comprising a boring pipe and a drill bit. The sampling apparatus is fixable to the chassis of the drill apparatus and includes a sampling pipe arrangement to be fitted to the end of it, as well as a collecting apparatus to be connected to the sampling pipe apparatus, in which the collecting apparatus samples can be collected. The nozzle is a suction nozzle, in which suction is arranged. The sampling pipe arrangement comprises an attitude adjustment apparatus, with which the nozzle can be arranged into the proximity of the boring pipe in such a way that the nozzle is near the borehole and the mouth of it is directed towards the borehole such that it is able to take samples directly from the mantle rock flying out from the borehole.

A sampling apparatus for collecting geological samples from the subsurface is fixable to a drill, such as to a mining drill rig. The drill apparatus includes a chassis, and a drill comprising a boring pipe and a drill bit. The sampling apparatus is fixable to the chassis of the drill apparatus and includes a sampling pipe arrangement to be fitted to the end of it, as well as a collecting apparatus to be connected to the sampling pipe apparatus, in which the collecting apparatus samples can be collected. The nozzle is a suction nozzle, in which suction is arranged. The sampling pipe arrangement comprises an attitude adjustment apparatus, with which the nozzle can be arranged into the proximity of the boring pipe in such a way that the nozzle is near the borehole and the mouth of it is directed towards the borehole such that it is able to take samples directly from the mantle rock flying out from the borehole.

The invention relates to a method of, and system for, obtaining an indication of the soil strength of soil over which a compactor roller travels. The method includes determining the depth to which a drum of the compactor roller penetrates into and depresses the soil when the compactor roller travels over a soil surface. The system includes a compactor roller, a measuring arrangement and a processor which is operatively connected to the measuring arrangement and which is configured to process data received from the measuring arrangement. The measuring arrangement includes an inertial measurement unit which is operatively connected to the compactor roller, wherein the arrangement is configured to obtain an indication of the soil strength of soil over which the compactor roller travels during operation, by determining the depth to which the drum penetrates into and depresses the soil over which it travels.

The invention relates to a method of, and system for, obtaining an indication of the soil strength of soil over which a compactor roller travels. The method includes determining the depth to which a drum of the compactor roller penetrates into and depresses the soil when the compactor roller travels over a soil surface. The system includes a compactor roller, a measuring arrangement and a processor which is operatively connected to the measuring arrangement and which is configured to process data received from the measuring arrangement. The measuring arrangement includes an inertial measurement unit which is operatively connected to the compactor roller, wherein the arrangement is configured to obtain an indication of the soil strength of soil over which the compactor roller travels during operation, by determining the depth to which the drum penetrates into and depresses the soil over which it travels.

A work machine is moved along a route over worksite terrain. Route data indicative of the route is recorded and an operating parameter data indicative of at least one operating parameter of the work machine is determined as the machine moves along the route. The operating parameter data is used to generate rolling resistance data indicative of the resistance of the terrain to the movement of the work machine as it moves along the route. Then the rolling resistance data is processed to generate compaction data indicative of the compaction of the terrain along the route.

The expandable jacket and flexible ring comprises of the segmented circular arch shaped plates and bands or rings around the segmented plates. The test preparation consists of a membrane surrounding a specimen with or without a filter, segmented plates surrounding the membrane, and bands or rings around the segmented plates to permit uniform radial expansion of the specimen through its height when increments of vertical load are applied during the test, thereby providing accurate values of area of cross-section, deviator stress, volume change, modulus of elasticity, Poisson's ratio and shear strength. Using the flexible ring, three-dimensional consolidation tests are performed to determine three-dimensional coefficient of consolidation and coefficients of consolidation in horizontal and vertical directions. Removable attachments are used for assembling the expandable jacket and flexible ring during the test. A calibration device is used to determine the modulus of elasticity of the membrane and expandable jacket and flexible ring.

A system for monitoring sliding soil mass includes a plurality of sensor assemblies, with each sensor assembly including at least one sensor subassembly and a node subassembly in electronic communication with the at least one sensor subassembly, with the node subassembly including a power source, data storage, and a communication device, and with each sensor subassembly including a sensor configured to detect soil movement when the sensor subassembly is positioned within a soil mass, and a supernode in electronic communication with at least one of the plurality of sensor assemblies. The supernode is configured to transmit data from the plurality of sensor assemblies to a local and/or remote device.

A penetrometer arranged for detecting a transition zone from water to sediment of a seabed, comprising a cone with a cone sleeve and a cone tip and a force sensitive element or elements, wherein the force sensitive element or elements comprise a piezo-electric sensor which is provided in contact with the cone tip so as to respond to a force or forces applied to the cone tip. The piezo-electric sensor is supported by a rim inside the cone sleeve.