A static penetrating test indoor simulation test method
A technology of simulation testing and static penetration, which is used in soil material testing, using stable tension/pressure to test material strength, force/torque/work measuring instruments, etc., which can solve problems such as the inability to simulate soil consolidation characteristics.
Active Publication Date: 2021-10-22
OCEAN UNIV OF CHINA
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Problems solved by technology
[0005] The purpose of the present invention is to provide a static penetrating test indoor simulation test method to solve the technical problem of being unable to simulate the consolidation characteristics of soil under the condition of initial anisotropy in the prior art
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[0037] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0038] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two compo...
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The invention discloses an indoor simulation test method for static penetration, which belongs to the technical field of static penetration, comprising: placing a flexible water-proof membrane in a casing, and forming water between the flexible water-proof membrane and the casing cavity; operate the baffle plate located in the water cavity, so that the baffle plate moves along the radial direction of the casing to enclose a cylindrical cavity, and place a sample into the flexible water-proof membrane; to the flexible water-proof membrane Water is injected into the membrane, and at the same time, water is injected into the water cavity and pressurized, so that the water pressure in the water cavity is greater than that in the flexible water-proof membrane; Set the pressure value, operate the baffle plate to move away from the sample along the radial direction of the casing; operate the tray at the lower end of the flexible water barrier film to move vertically upwards, so as to consolidate the sample in the flexible water barrier film ; Operate the touch probe assembly arranged above the casing, so that the probe of the touch probe assembly penetrates into the sample in the vertical direction.
Description
technical field [0001] The invention relates to the technical field of static penetration testing, in particular to a static penetration testing indoor simulation test method. Background technique [0002] Static penetration technology is a relatively reliable and commonly used field testing method in geotechnical engineering. The penetration resistance can determine some basic physical and mechanical properties of the soil, such as the deformation modulus of the soil, the allowable bearing capacity of the soil, etc. Regression analysis is carried out on the penetration resistance obtained by static penetration testing and the relevant indicators in load tests and geotechnical tests, and an empirical formula suitable for a certain area or certain soil properties can be obtained. [0003] In static penetration penetration technology, the test data needs to be based on the qualitative relationship and statistical correlation between the penetration resistance and the engineer...
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IPC IPC(8): G01N33/24G01N3/12G01N3/02G01L5/00
CPCG01L5/00G01N3/02G01N3/12G01N33/24G01N2203/0019G01N2203/0048G01N2203/0246G01N2203/0298
Inventor 张民生申志聪田琳孔壮壮魏冠立
Owner OCEAN UNIV OF CHINA