国家/地区 美国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B014/02（2）
发明人
公开年 2021（2）
申请年
专利权人

Thermal energy-transfer system such as grade beam, comprises thermally conductive concrete comprising carbon, metals and/or conductive polymers, aggregate and cement and having preset compressive strength, and pipes, tubes and capillaries.

GUARRERO B P

Sealing propagating cracks in sensor-laden cement sheath involves monitoring electrical resistivity of sensor-laden cement sheath to produce measured value, where sheath comprises conductive sensor, on-demand expanding agent, and cement.

MUSSO S, SANTRA A