Dynamic and static real/normal triaxial shear rheology THMC multi-field coupling test method for rock
A technology of triaxial shearing and testing methods, applied in the direction of testing material strength by applying stable shear force, testing material strength by applying repetitive force/pulsation force, testing material strength by applying stable tension/pressure, etc. Solve problems such as lack of test equipment and methods
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Embodiment 1
[0144] Example 1: Conventional Triaxial Compression Test
[0145] In this embodiment, a conventional triaxial compression test is carried out on a rock sample, and the specific test operation steps are as follows:
[0146] Step 1: Lift the confining pressure chamber 5, put the circular rock sample 34 on the sample base block 29, put the sample heat-shrinkable sleeve 39 on the outside of the sample, and place the sample upper end block 31 on the upper part , install the fastening ring 40 at the upper end of the sample and the fastening ring 41 at the lower end of the sample at the upper and lower ends of the heat-shrinkable sleeve 39 of the sample, and place them on the base 28 of the confining pressure chamber as a whole;
[0147] Step 2: install the left displacement sensor 43, the right displacement sensor 44 and the axial displacement sensor 45 to form a displacement measurement system;
[0148] Step 3: Put the confining pressure chamber 5 on the outside of the confining p...
Embodiment 2
[0152] Example 2: True Triaxial Compression Test
[0153] In this embodiment, a true triaxial compression test is carried out on a rock sample, and the specific test operation steps are as follows:
[0154] Step 1: Lift the confining pressure chamber 5, place the square rock sample 34 on the pad 29 of the sample base, place the pad 30 on the left side of the sample and the right side of the sample on the left and right sides of the square rock sample 34 respectively Block 33, place the left steel block 4 of the confining chamber on the left side of the block 30 on the left side of the sample, and place the left spring 26 at the bottom at the same time, place the lower end spring 25 under the block 33 on the right side of the sample. Place the steel pad 32 on the right side of the confining pressure chamber on the right side of the pad 33;
[0155] Step 2: install the left displacement sensor 43, the right displacement sensor 44 and the axial displacement sensor 45 to form a d...
Embodiment 3
[0162] Embodiment 3: True and constant three-axis dynamic impact test test
[0163] In this embodiment, a true / normal triaxial dynamic impact test is performed on a rock sample, and the specific test operation steps are as follows:
[0164] Step 1: Refer to steps 1 to 3 in Example 1 for the installation steps of the conventional triaxial dynamic impact test sample;
[0165] Step 2: Apply the axial dynamic loading device 9 to the axial loading rod 8 through the axial dynamic loading pressure sensor 10, the dynamic loading force is 0-500kN, the frequency is 0-10Hz, and the amplitude is 0.5mm, realizing the conventional three-axis Dynamic shock test;
[0166] Step 3: Refer to steps 1-5 in Example 2 for the installation steps of the true triaxial dynamic impact test sample;
[0167] Step 4: Apply the axial dynamic loading device 9 to the axial loading rod 8 through the axial dynamic loading pressure sensor 10, the dynamic loading force is 0-500kN, the frequency is 0-10Hz, and th...
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