Indoor testing method for roadbed soil deformation modulus
A technology of deformation modulus and test method, which is used in the test of basic structure, the use of repetitive force/pulse force to test the strength of materials, and basic structure engineering, etc. It can solve the problems of harsh test conditions, time-consuming and labor-intensive, and high cost.
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[0036] Attached figure 1 It is a schematic diagram of the indoor testing method of subgrade soil deformation modulus according to the present invention. In the figure, 1 is a compaction cylinder, 2 is a subgrade soil, 3 is a force transfer rod, 4 is a bearing plate, 5 is a dial gauge, and 6 is The press presses the column. It can be seen from the figure that the indoor test method for subgrade soil deformation modulus of the present invention adopts compacted soil samples and the entire compaction cylinder as the test specimens of the indoor test method for subgrade soil deformation modulus. The load value and corresponding deformation of each loading or unloading detected by sub-loading and unloading, and the "load-settlement" curve is drawn according to the load value and corresponding deformation of each loading and unloading, and according to the following formulas (2) and (3) , (4) Find the curve Coefficient of , and ,
[0037] (2)
[0038] ...
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