The infrared-transmitting (IRT) mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.

The choice of plan with the foundation of equipment in complex soil, The count & control with the crevice for temperature of bib concrete are also discussed.

During the construction process, keeping abreast of the safety status of the frozen soil curtain by temperature field monitoring and analyzing is one of the important measures for risk control.