Permafrost region thermal pipe subgrade parameter designing method based on energy balance theory
A technology of energy balance and parameter design, applied to roads, roads, buildings, etc., can solve the problems of lack of summary and limited promotion and application
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[0036] Such as figure 1 The shown method for designing parameters of hot rod subgrade in permafrost regions based on the principle of energy balance includes the following steps:
[0037] Step 1. Hot rod heat dissipation judgment threshold setting: Set the heat rod heat dissipation judgment threshold c of the subgrade in the permafrost area under construction; where c=0.05~0.5;
[0038] Step 2: Calculation of the latent heat of soil melting: According to the structural parameters of the subgrade in the permafrost area under construction and the climatic conditions of the area, the latent heat of melting of the subgrade in the permafrost area under construction is Q L 'Calculate, Q L The unit of 'is J; where the latent heat of melting of the soil is the amount of cold consumption required to ensure the stability of the subgrade in the permafrost area under construction within one year;
[0039] Step 3. Determine the range of heat dissipation parameters of the hot rod: Determine the th...
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