Supergravity temperature control variable water head seepage test device and method

The invention discloses a hypergravity temperature control variable head seepage test device and method. The top cover and the base are connected through a supporting structure, the acrylic heat preservation cover and the soil sample barrel are both installed between the top cover and the base, a water bath chamber is formed in the space between the acrylic heat preservation cover and the soil sample barrel, pore pressure collecting holes are formed in the outer wall of the soil sample barrel, the soil sample area is arranged at the bottom of the soil sample barrel, and a soil sample barrel water inlet, a soil sample barrel exhaust hole and a water bath water outlet are formed in the top cover. The top cover is provided with a temperature sensor, the base is provided with a flowmeter interface, a water bath water inlet and a pore pressure sensor interface, and the flowmeter interface and the pore pressure sensor interface are respectively provided with a flowmeter and a pore pressure sensor; the method compri