E01C11/00

Maintenance of playing surfaces

A playing surface monitoring system, comprising a playing surface; an image capture unit arranged for capturing images of at least part of the playing surface and persons or objects thereon; processing means for detecting said persons or objects and their relative location on the playing surface; means for discriminating between persons using the pitch and objects used for maintenance of the playing surface, and means for using the determined information for determining density of use and/or maintenance of the playing surface or one more parts thereof over a period of time.

Actuating resurfacing system and method

A system for re-surfacing a pavement surface includes a mobile vehicle having a first longitudinal axis and a material delivery mechanism having a second longitudinal axis. The system also includes an actuation system coupled to the mobile vehicle and to the material delivery mechanism. The actuation system is configured to actuate the material delivery mechanism with respect to the mobile vehicle such that the first longitudinal axis is oriented obliquely with respect to the second longitudinal axis.

Coating System For Asphalt And Related Methods

A coating system and related methods for an airfield surface or a roadway is described. The coating system may include a stable cationic emulsion for application to the airfield surface or the roadway. The stable cationic emulsion may include a) an asphalt blend comprising gilsonite, wherein the gilsonite is modified to possess a positive charge, b) one or more polymers, and c) one or more surfactants not including a cationic surfactant. The coating system may also include a fine aggregate material for application to the stable cationic emulsion applied to the airfield surface or the roadway.

INTELLIGENT ROAD POTHOLE DETECTION

A system includes a conductive material configured along a segment of a road, a signal generator electrically coupled to the conductive material, where the signal generator is configured to generate an electrical signal for transmission across the conductive material, and an electronic control unit communicatively coupled to the signal generator and the conductive material. The electronic control unit is configured to determine whether the electrical signal from the signal generator is propagating through the conductive material, and in response to determining that the electrical signal does not propagate through the conductive material, determine that a pothole is present at a location along the segment of the road comprising the conductive material.

DYNAMIC PAVER DEVICE WITH VIBRATION FEEDBACK
20210025117 · 2021-01-28 ·

A dynamic paver device with vibration feedback is provided. In some embodiments, a paver device comprises: a paver having a top surface and a bottom surface; a paver frame that creates an interior cavity upon being connected with the paver; at least one pressure sensor connected to the paver, wherein the at least one pressure sensor detects a change in an amount of pressure applied to the top surface of the paver; a vibration system connected to the bottom surface of the paver, wherein the vibration system is configured to provide a vibrational force to the bottom surface of the paver; and a controller connected to the at least one pressure sensor and the vibration system, wherein the controller is configured to: receive, from the at least one pressure sensor, a presence indication of an object on the top surface of the paver based on the detected change in the amount of pressure being applied to the top surface of the paver at a first time; and, in response to receiving the presence indication from the at least one pressure sensor, transmit a first signal to the vibration system that causes the vibration system to provide the vibrational force to the bottom surface of the paver.

DYNAMIC PAVER DEVICE WITH VIBRATION FEEDBACK
20210025117 · 2021-01-28 ·

A dynamic paver device with vibration feedback is provided. In some embodiments, a paver device comprises: a paver having a top surface and a bottom surface; a paver frame that creates an interior cavity upon being connected with the paver; at least one pressure sensor connected to the paver, wherein the at least one pressure sensor detects a change in an amount of pressure applied to the top surface of the paver; a vibration system connected to the bottom surface of the paver, wherein the vibration system is configured to provide a vibrational force to the bottom surface of the paver; and a controller connected to the at least one pressure sensor and the vibration system, wherein the controller is configured to: receive, from the at least one pressure sensor, a presence indication of an object on the top surface of the paver based on the detected change in the amount of pressure being applied to the top surface of the paver at a first time; and, in response to receiving the presence indication from the at least one pressure sensor, transmit a first signal to the vibration system that causes the vibration system to provide the vibrational force to the bottom surface of the paver.

Spray paving coating and method
10889941 · 2021-01-12 ·

A paving mixture for application to a surface and a method for the same. The mixture comprises a binding material layer applied to the surface to form a base layer on the surface, and an aggregate material layer applied on top of the binding material layer, wherein the binding material layer comprises at least 15% of the bitumen in the paving mixture by weight, the aggregate material layer contains an asphalt mixture that provides a road surface, and the aggregate material layer and the binding material layer are combined on the surface within 30 seconds of application of the binding material layer.

REJUVENATING COMPOSITIONS FOR ASPHALT APPLICATIONS & METHODS OF MANUFACTURING THE SAME

Disclosed herein are rejuvenating compositions for asphalt applications. In one aspect, the rejuvenating composition comprises a polymerized oil having a polymeric distribution ranging from about 2 to about 80 wt % oligomer content and Hildebrand solubility ranging from about 6 to about 12. In another aspect, the rejuvenating composition comprises an oil having a Hildebrand solubility ranging from about 6 to about 12 and a flash point ranging from about 100 C. to about 400 C. In yet another aspect, the rejuvenating composition comprises a modified oil having a Hildebrand solubility ranging from about 6 to about 12 and a flash point ranging from about 100 C. to about 400 C.

POLYMERIZED OILS & METHODS OF MANUFACTURING THE SAME

Described herein is a polymerized biorenewable, previously modified, or functionalized oil, comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.30 to about 2.20, and sulfur content ranging from 0.001 wt % to about 8 wt %. Methods of manufacturing the polymerized oil as well as its incorporation into asphalt paving, roofing, and coating applications are also described.

POLYMERIZED OILS & METHODS OF MANUFACTURING THE SAME

Described herein is a polymerized biorenewable, previously modified, or functionalized oil, comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.30 to about 2.20, and sulfur content ranging from 0.001 wt % to about 8 wt %. Methods of manufacturing the polymerized oil as well as its incorporation into asphalt paving, roofing, and coating applications are also described.