Energy pile - soil load, temperature transfer mechanism model test device and test method
A technology of mechanism model and test device, applied in the field of model test, can solve the problems of high cost and small generalizability
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Embodiment 1
[0069] Example 1: (The transparent solid material is a perfluorocyclic polymer)
[0070] by figure 1 , figure 2 It can be seen that an energy pile-soil load and temperature transfer mechanism model test device includes a transparent model groove 1, which is equipped with transparent energy embedded in the transparent soil that simulates the pile surrounding soil 2 and the pile end soil 3. Pile 9, the transparent energy pile 9 is hollow, the bottom of the pile is closed, the transparent energy pile 9 is arranged with a heat transfer tube 10, and the heat transfer tube 10 is connected with the cooling and heating cycle mechanism; the transparent energy pile 9 is embedded with a measurement The optical fiber grating 14 of the transparent energy pile 9 pile body axial force deformation and temperature change, the pile bottom is embedded with an earth pressure box 15 for measuring the bottom stress of the transparent energy pile 9, and the transparent model groove 1 is equipped with ...
Embodiment 2
[0098] Example 2: (The transparent solid material is a perfluorocyclic polymer)
[0099] In process ⑵, select perfluorocyclic polymer particles with 0.25mm≤particle size<0.5mm as 10%, 0.5mm≤particle size<1.0mm as 30%, 1.0mm≤particle size<1.5mm as 30% ﹪, 1.5㎜≤particle size≤2.0㎜ is 30%, and the total is 100% by weight. Mix it evenly; the pore liquid is sodium chloride solution with a concentration of 5%;
[0100] When mixing, first install the prepared pore liquid in the transparent mold tank 1, and pour the perfluorocyclic polymer particles into the transparent mold tank 1 slowly, uniformly and dispersedly. During the pouring process, the bubbles are continuously stirred and discharged. And keep the perfluorocyclic polymer particles always below the pore liquid level;
[0101] The physical properties of the transparent soil prepared in this example are: density 1.65g / ㎝ 3 , Heavy 17kN / m 3 , The density is 40%; the mechanical properties are: the internal friction angle is 31°, the elas...
Embodiment 3
[0103] Example 3: (The transparent solid material is a perfluorocyclic polymer)
[0104] In process ⑵, choose perfluorocyclic polymer particles with 0.25mm≤particle size<0.5mm as 10%, 0.5mm≤particle size<1.0mm as 40%, 1.0mm≤particle size<1.5mm as 35 ﹪, 1.5㎜≤particle size≤2.0㎜ is 15﹪, and the total is 100﹪ by weight, and mix it evenly; the pore liquid is an alcohol solution with a concentration of 15﹪;
[0105] When mixing, the density of the control sample is 40%.
[0106] The physical properties of the transparent soil prepared in this example are: density 1.83g / ㎝ 3 , Heavy 17.5kN / m 3 , The density is 40%; the mechanical properties are: the internal friction angle is 31°, the elastic modulus is 15MPa, and the Poisson's ratio is 0.32.
[0107] The same as in Example 1.
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