Procedure and plant for the production of tempered bituminous mixtures with reclaimed asphalt pavement (RAP) comprises: a) Provision of RAP having a granulometry comprised between 0 and a maximum diameter; b) Processing said RAP to obtain at least two RAP fractions (one fine, another coarse); c) Subjection of predetermined quantities of said RAP fractions to a process of mixing and heating by hot gas flow such that the heating times of each fraction are adapted to the granulometry thereof, the temperature of the mixture at the end of the step being comprised between 90 C. and 120 C.; d) Blending the mixture with a predetermined quantity of bituminous emulsion supplied at a temperature comprised between 60 C. and 80 C. The temperature of the final mixture will be between 90 and 110 C.

A controller may obtain one or more ground surface work records from one or more databases, the one or more ground surface work records identifying information relating to at least one of base layer preparation, paving, or compacting of a ground surface performed at a worksite by a plurality of work machines. The controller may determine, based on the one or more ground surface work records, configuration information for a ground surface work operation to be performed by a work machine of the plurality of work machines. The controller may generate a signal, based on the configuration information, to cause the work machine to perform the ground surface work operation or to cause presentation of the configuration information on a display of the work machine.

Provided is an indirect paddle heater and method for heating asphalt. In one example, the paddle heater may include a control system, a pump to pump heating fluid, a trough that may include an inlet to receive a feed of asphalt mixture and an outlet for exiting the asphalt mixture after heating, and one or more rotational agitators disposed in the trough and comprising paddles attached to shafts that rotate to move the asphalt mixture from the inlet to the outlet, wherein at least one of the trough and the one or more rotational agitators may include hollow channels, and the control system is configured to control the pump to pump heating fluid into the hollow channels when the asphalt mixture is included within the trough.

A method of making hot mix asphalt using recycled asphalt in which tertiary air is mixed with products of combustion at an exit of a refractory-lined chamber to produce hot controlled temperature process air, the temperature of the tertiary air being increased while the temperature of the products of combustion is decreased to adjust a temperature of the hot controlled temperature process air. Particles of the recycled asphalt are heated by exposing the particles to the hot controlled temperature process air in the rotary counter-flow dryer and mixer and moisture is removed from the recycled asphalt with the hot controlled temperature process air.

A system and method for monitoring and adjusting a constant flow asphalt manufacturing process includes monitoring the ratios of recycled material to virgin material to minimize costs and adjusting the mixture in real time. Pulverized asphalt shingle (PAS) material may be used as a source of recycled asphalt oil and fed to a mixing drum with real-time monitoring while making real-time adjustments to supplement the asphalt with new asphalt oil to the mixer. The systems and methods may also be used for monitoring, metering, and supplementing recycled aggregate from recycled asphalt pavement (RAP) with new aggregate. The systems and methods may use one or more processors or programmable logic controllers (PLC) to meter the addition of new materials.

A paving system includes a plant, a plurality of supply machines, and a paving machine. A first controller determines the position of the plurality of supply machines. A second controller determines a rate at which the paving material is being applied to a work surface. A temperature sensor is associated with one of the plurality of supply machines and the paving machine to determine a temperature of paving material delivered to the paving machine by one of the supply machines. The plant is configured to produce a batch of paving material and a third controller determines a batch temperature, receives signals indicative of the position of each supply machine, receives signals indicative of the temperature of paving material delivered to the paving machine, and generates command signals to adjust the batch temperature based upon the position of each supply machine and the temperature of paving material.

A system for controlling the production of an asphalt mix. The preferred system comprises an asphaltic material source, an asphaltic material sensor, a liquid asphalt cement source, a liquid asphalt cement meter, and a controller. The asphaltic material sensor communicates the amount of asphaltic material liquid asphalt cement and the amount of asphaltic material moisture contained in the amount of asphaltic material to the controller, the liquid asphalt cement meter communicates the amount of liquid asphalt cement provided by the liquid asphalt cement source to the controller, and the controller controls the amount of asphaltic material provided by the asphaltic material source and the amount of the liquid asphalt cement provided by the liquid asphalt cement source. A method comprising controlling the amount of asphaltic material and the amount of liquid asphalt cement provided to the asphalt mix substantially continuously and substantially in real time.

A mobile apparatus for the repair of potholes in an asphalt paved surface comprises first storage bin for the containment of recycled shingle particles or recycled asphalt or combinations thereof. A first conveyor is provided for conveying the particles from the first storage bin to an inlet of a radiant heated transport mixing conveyor. A second storage bin is provided for the containment of stone aggregate. A second conveyor conveys and pre-heats the stone aggregate to the inlet of the transport mixing conveyor. An oil reservoir has a pump at an outlet thereof for feeding a predetermined quantity of asphaltic oil at the inlet of the mixing conveyor. The mixing conveyor has vanes for displacing, mixing and heating the stone aggregate, the recycled asphalt particles or recycled asphalt and the asphaltic oil to produce an asphalt patch material and feeding same to a dispensing outlet.

A paving system includes a plant, a plurality of supply machines, and a paving machine. A first controller determines the position of the plurality of supply machines. A second controller determines a rate at which the paving material is being applied to a work surface. A temperature sensor is associated with one of the plurality of supply machines and the paving machine to determine a temperature of paving material delivered to the paving machine by one of the supply machines. The plant is configured to produce a batch of paving material and a third controller determines a batch temperature, receives signals indicative of the position of each supply machine, receives signals indicative of the temperature of paving material delivered to the paving machine, and generates command signals to adjust the batch temperature based upon the position of each supply machine and the temperature of paving material.

An asphalt mixing plant (700) includes a first drying drum (11) for drying and heating a first aggregate to a first aggregate temperature. The first drying drum (11) includes a first burner (31) and a first controller (41) configured to control by a first control loop (51) the first aggregate temperature of the first aggregate. The asphalt mixing plant (700) further includes a second controller (42) configured to control by a second control loop (52) a first raw gas temperature of a first raw gas of the first drying drum (11). The first controller (41) and the second controller (42) are configured to operate independently from each other. Further aspects relate to a corresponding method and a corresponding computer program product.