Sand Soil Immersion Test Method for Collapsible Deformation of Loess
A test method and technology for collapsible loess, applied in the field of geotechnical testing in loess area, can solve the problems of disturbance, limited test points, high cost of immersion test pit test, etc., achieve low site requirements, simple and clear principle, and test results. Accurate and reliable results
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[0021] Such as figure 1 Shown, the sand soaking test method of loess collapsibility deformation of the present invention, carries out according to the following steps:
[0022] Step 1. Excavate an exploratory well 1 with a circular cross-section vertically downward on the surface of the stratum. It is required that the exploratory well 1 is vertical and regular circular during excavation, so as to facilitate the lowering of the bearing plate 4 . The collapsible loess 11 below the exploratory well 1 is the soil to be tested.
[0023] Such as Figure 2 to Figure 4 As shown, the settling rod 3 and the bearing plate 4 constitute the detection device used in the method of the present invention. Select the bearing plate 4 with a diameter smaller than that of the exploration well 1. The bearing plate 4 is a circular rigid plate and has a plurality of vertical permeable holes 5 evenly opened on the plate body. The vertical permeable holes 5 can ensure that the water in the explorati...
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