Abstract: An electronic curing assembly is for relining a pipe with a first end and second end opposite the first end. The electronic curing assembly includes a bladder tube to be positioned within the pipe and extending from the first end to the second end, an electronic curing device within the bladder tube, and first and second ropes coupled respectively to opposite ends of the electronic curing device, the first rope extending through the bladder tube and to the first end of the pipe. The electronic curing assembly also includes a plug device adjacent to the second end of the pipe and having a housing defining a longitudinal passageway therein, and a retention device carried by the housing and configured to be coupled to a distal end of the bladder tube. The second rope extends through the longitudinal passageway and to the second end of the pipe.

Abstract: An underground pipe repair system is for a branch pipe connecting with a service pipe. The underground pipe repair system includes a robot device with an inflation tool, a processor, and a housing carrying the inflation tool and the processor. The underground pipe repair system also includes a liner assembly having an inverted liner including a proximal end coupled to the inflation tool, and a distal end opposite the proximal end, and an electronic curing device coupled to the distal end and within the inverted liner. The processor is configured to cause the robot device to move through the service pipe, determine a position of the branch pipe, operate the inflation tool to invert and cause the inverted liner to inflate within the branch pipe and position the electronic curing device within the inflated liner, and activate the electronic curing device to cure the inflated liner within the branch pipe.

Abstract: A roadway subsurface sensor system includes roadway housings arranged to define a surface to carry vehicles. Each roadway housing has a sensor assembly having a housing, and sensor layers received by the housing. Each roadway housing also has a drainage layer under the sensor assembly. An uppermost sensor layer from the sensor layers is to provide the surface to carry vehicles. The roadway subsurface sensor system further includes a management controller coupled to the sensor layers. The management controller is configured to process sensed data from the sensor layers.

Abstract: A subsurface energy storage system includes roadway housings arranged to define a surface to carry vehicles. Each roadway housing has an energy storage assembly having a housing defining cavities, and energy storage units respectively carried within the cavities and being electrically coupled together. Each roadway housing also includes a layer adjacent to the energy storage assembly and to provide the surface to carry vehicles. The subsurface energy storage system also includes an energy storage management controller coupled to the energy storage units in the roadway housings.

Abstract: A subsurface energy storage system includes roadway housings arranged to define a surface to carry vehicles. Each roadway housing has an energy storage assembly having a housing defining cavities, and energy storage units respectively carried within the cavities and being electrically coupled together. Each roadway housing also includes a layer adjacent to the energy storage assembly and to provide the surface to carry vehicles. The subsurface energy storage system also includes an energy storage management controller coupled to the energy storage units in the roadway housings.

Abstract: An underground pipe repair device is for a joint between a service pipe and a branch pipe. The underground pipe repair device may include a T-shaped joint liner having a base portion extending laterally in the service pipe, and an arm portion extending vertically into the branch pipe, the base portion including a first base surface facing the service pipe, and a second base surface opposite the first base surface. The underground pipe repair device may include an annular body aligned with an opening for the branch pipe and coupled to the second base surface of the T-shaped joint liner. The annular body may have a physical characteristic to be detected by a robot device within the service pipe.

Abstract: An underground pipe repair device is for a joint between a service pipe and a branch pipe. The underground pipe repair device may include a T-shaped joint liner having a base portion extending laterally in the service pipe, and an arm portion extending vertically into the branch pipe, the base portion including a first base surface facing the service pipe, and a second base surface opposite the first base surface. The underground pipe repair device may include an annular body aligned with an opening for the branch pipe and coupled to the second base surface of the T-shaped joint liner. The annular body may have a physical characteristic to be detected by a robot device within the service pipe.

Abstract: An underground pipe repair device is for a joint between a service pipe and a branch pipe. The underground pipe repair device may include a first T-shaped joint liner having a base portion extending laterally in the service pipe, and an arm portion extending vertically into the branch pipe, and a second ring-shaped liner under the first T-shaped joint liner and aligned with an opening in the branch pipe. The underground pipe repair device may include an annular spacer aligned with the opening in the branch pipe and being between the first T-shaped joint liner and the second ring-shaped liner. The annular spacer may include a radial step, and the second ring-shaped liner may be coupled to the base portion of the first T-shaped joint liner to retain the annular spacer.