Foundation heating device and construction method for foundation heating combined vacuum prepressing of soft soil foundation by applying such device
A technology of heating device and construction method, applied in soil protection, infrastructure engineering, construction, etc., can solve the problems of small increase in strength, can not meet the requirements of foundation use, etc., achieve effective stress increase, increase vacuum suction and Capillary action, good heating effect
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[0032] See attached figure 1 , a ground heating device, comprising a steel pipe 6.1, the bottom of which is tapered so as to be inserted into the soft soil foundation, the overall length of the steel pipe 6.1 is 6-10m, and can be spliced by multi-section steel pipes through the flange 6.2, and the steel pipe is provided with Electric heating tube 6.3 and heat conduction oil, the top of the steel pipe is provided with a sealing cover 6.4, the electric heating tube 6.3 is connected with a power supply wire 6.5, the power supply wire passes through the sealing cover 6.4, and a cable 6.6 is arranged on the sealing cover. The ring 6.7 is used to pull the steel pipe out of the foundation through the cable 6.6; when in use, the power supply wire 6.5 leads out the sealing film through the film-exiting device and connects to an external power supply.
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