CN212060077U - Rock mass drilling sound wave test block model - Google Patents
Rock mass drilling sound wave test block model Download PDFInfo
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- CN212060077U CN212060077U CN202020062266.XU CN202020062266U CN212060077U CN 212060077 U CN212060077 U CN 212060077U CN 202020062266 U CN202020062266 U CN 202020062266U CN 212060077 U CN212060077 U CN 212060077U
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Abstract
The utility model discloses a rock mass drilling sound wave test block model, which comprises a surrounding rock test block group, an interlayer test block group and a crack test block group; the surrounding rock test block group consists of surrounding rock test blocks with different specifications and sizes, and the surrounding rock test block is formed by taking a small-diameter rock core out of a cylindrical rock body test block by using a drilling tool and then hollowing the rock core; the interlayer test block group consists of interlayer test blocks with different specifications and sizes, and the interlayer test blocks are thin circular ring structures made of clay, clay doped sand, cement and cement gum; the crack test block group is composed of crack test blocks with different specifications and sizes, and the crack test blocks are of annular structures made of aluminum alloy. The utility model discloses a combination model that needs carries out rock mass drilling sound wave indoor experiment, for the complete rock mass of drilling sound wave experiment, the complete rock mass of drilling sound wave and intermediate layer experiment, the complete rock mass of drilling sound wave and crack experiment provide the experimental model group that can trace to the source.
Description
Technical Field
The utility model relates to a rock mass drilling sound wave test block model belongs to the geophysical exploration field.
Background
In the oil gas, mining industry, engineering and other reconnaissance, a lot of projects are used for testing by using the drilling sound wave, and the requirement on the testing precision is higher and higher. At the present stage, the rock mass drilling acoustic experiment is not consistent with the site, and the acoustic experiment test block model group and related experiments of the rock mass, the interlayer and the fracture of the drilling surrounding rock can be reproduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rock mass drilling sound wave test piece model in rock mass drilling sound wave experiment, can reappear the sound wave experimental model of combination such as drilling country rock, country rock and intermediate layer, country rock and crack, handles, calculates, the inversion provides basis and experimental object for sound wave test intermediate parameter.
The technical scheme of the utility model as follows:
a rock mass drilling acoustic test block model comprises a surrounding rock test block group, an interlayer test block group and a crack test block group; the surrounding rock test block group consists of surrounding rock test blocks with different specifications and sizes, and the surrounding rock test block is formed by taking a small-diameter rock core out of a cylindrical rock body test block by using a drilling tool and then hollowing the rock core; the interlayer test block group consists of interlayer test blocks with different specifications and sizes, and the interlayer test blocks are thin circular ring structures made of clay, clay doped sand, cement and cement gum; the crack test block group is composed of crack test blocks with different specifications and sizes, and the crack test blocks are of annular structures made of aluminum alloy.
Wherein the rock mass test block is a cylindrical structure which is taken out of the rock mass with the diameter of 150 mm-250 mm. The interlayer test block comprises a thick-layer interlayer test block and a thin-layer interlayer test block; the thick-layer interlayer test block is made of clay, clay doped sand and cement, the inner diameter and the outer diameter of the thick-layer interlayer test block are the same as those of the surrounding rock test block, and the sound wave speed is between the clay and the concrete; the thin-layer interlayer test block is made of daub, and the inner diameter and the outer diameter of the thin-layer interlayer test block are the same as those of the surrounding rock test block. The crack test block is an annular structure which is made of aluminum or alloy, the outer diameter of the annular structure is the same as that of the surrounding rock test block, and the inner diameter of the annular structure is smaller than the outer diameter of the annular structure by 5-10 mm.
The method for manufacturing the rock mass drilling acoustic test block model comprises the following steps: taking out a cylindrical rock mass test block from a rock mass with the diameter of 150 mm-250 mm, taking out a small-diameter core by a drilling tool according to the central line of the rock mass test block with a certain diameter, making the core hollow, transversely cutting the core with the lengths of 20 mm, 50mm, 100 mm, 200 mm, 500 mm and 1000mm to form a surrounding rock test block, and polishing a smooth transverse section; adopting clay and clay doped sand and cement to manufacture a series of test pieces with the inner diameter and the outer diameter the same as those of the surrounding rock test block and the sound wave speed between the clay and the concrete, carrying out cross cutting manufacture or model manufacture at the lengths of 5mm, 10mm, 20 mm and 50mm to form a thick-layer interlayer test block, and polishing the upper surface and the lower surface of the thick-layer interlayer test block smoothly; manufacturing thin interlayer test blocks with the inner diameter and the outer diameter the same as those of the surrounding rock test blocks and the thicknesses of 0.1, 0.2, 0.5, 1.0 and 2.0mm by using clay, and polishing the upper surface and the lower surface of the test blocks smoothly; the aluminum or alloy is used for manufacturing an annular structure which has the same outer diameter as the surrounding rock test block, the inner diameter of the annular structure is 5 mm-10 mm smaller than the outer diameter, and the thickness of the annular structure is 0.03, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0 and 10mm, and the annular structure is used as a crack test block.
Compared with the prior art, the utility model discloses an actual application will reach under the known condition of drilling sound wave country rock, intermediate layer, crack geophysical parameter and geometric parameters, the combination model that adopts needs carries out rock mass drilling sound wave indoor experiment, for the complete rock mass experiment of drilling sound wave, the complete rock mass of drilling sound wave and intermediate layer experiment, the complete rock mass of drilling sound wave and crack experiment provide the experimental model group of traceable source.
Drawings
FIG. 1 is a schematic view of a test block of surrounding rock;
FIG. 2 is a schematic view of a sandwich test block;
FIG. 3 is a schematic view of a fracture test block
FIG. 4 is a schematic view of a sandwich test block model set;
FIG. 5 is a schematic view of a fracture test block model set;
FIG. 6 is a schematic view of a sandwich fracture test block model set.
Description of reference numerals: 1-surrounding rock test block, 2-interlayer test block and 3-crack test block.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-3, the present invention is embodied as follows: taking out a rock mass test block from the rock mass with the diameter of 150 mm-250 mm, taking out a small-diameter core with the diameter of 60 mm-76 mm on the central line of the rock mass test block by using a drilling tool, and then making the core hollow. The test block 1 of the surrounding rock is manufactured by transversely cutting with the length of 20, 50, 100, 200, 500 and 1000mm, and the smooth transverse section is polished.
The interlayer test block 2 with the same inner diameter and outer diameter as the surrounding rock test block 1 is manufactured by adopting clay, clay doped sand and cement or daub. The thick-layer interlayer test block is made of clay, clay doped sand and cement, and series of test pieces with sound wave speed between the clay and the concrete are manufactured by cross cutting or modeling at the length of 5mm, 10mm, 20 mm and 50mm, and the upper surface and the lower surface of the test piece are polished smoothly. The thin-layer interlayer test block is made of daub, the thickness of the thin-layer interlayer test block is 0.1 mm, 0.2 mm, 0.5 mm, 1.0 mm and 2.0mm, and the upper surface and the lower surface of the thin-layer interlayer test block are parallel and smooth.
The aluminum or alloy is adopted to manufacture the annular crack test block 3 with the same outer diameter as the surrounding rock test block 1, the inner diameter of which is less than 5mm to 10mm of the outer diameter and the thickness of which is 0.03, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0 and 10mm, and the upper surface and the lower surface are parallel and smooth.
The utility model discloses provide the indoor experimental model series of rock mass drilling sound wave that can trace to the source during implementation.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (5)
1. The utility model provides a rock mass drilling sound wave test block model, includes intermediate layer test block model group, crack test block model group, intermediate layer + crack test block model group, its characterized in that: the test block comprises a series of surrounding rock test blocks (1), a series of interlayer test blocks (2) and a series of crack test blocks (3) which are made of different substances, wherein the interlayer test blocks (2) and the surrounding rock test blocks (1) form an interlayer test block model group, the crack test blocks (3) and the surrounding rock test blocks (1) form a crack test block model group, and the interlayer test blocks (2), the crack test blocks (3) and the surrounding rock test blocks (1) form an interlayer and crack test block model group.
2. The rock mass borehole acoustic test block model of claim 1, characterized in that: comprises a series of surrounding rock test blocks (1), a series of interlayer test blocks (2) and a series of crack test blocks (3); the series of the surrounding rock test blocks (1) are composed of surrounding rock test blocks (1) with different specifications and sizes, and the surrounding rock test blocks (1) are formed by taking out a small-diameter rock core from a cylindrical rock mass test block by using a drilling tool and then emptying the rock core; the series of interlayer test blocks (2) consist of interlayer test blocks (2) with different specifications and sizes, and the interlayer test blocks (2) are thin circular ring structures made of clay, clay doped with sand, cement and cement gum; the series of crack test blocks (3) are composed of crack test blocks (3) with different specifications and sizes, and the crack test blocks (3) are of annular structures made of aluminum alloy.
3. The rock mass borehole acoustic test block model of claim 2, characterized in that: the surrounding rock test block (1) is in a cylindrical structure which is taken out of a rock body with the diameter of 150 mm-250 mm.
4. The rock mass borehole acoustic test block model of claim 2, characterized in that: the interlayer test block (2) comprises a thick-layer interlayer test block (2) and a thin-layer interlayer test block (2); wherein the thick-layer interlayer test block (2) is made of clay, clay doped sand and cement, the inner diameter and the outer diameter of the thick-layer interlayer test block are the same as those of the surrounding rock test block (1), and the sound wave speed is between the clay and the concrete; the thin-layer interlayer test block (2) is made of daub, and the inner diameter and the outer diameter of the thin-layer interlayer test block are the same as those of the surrounding rock test block (1).
5. The rock mass borehole acoustic test block model of claim 2, characterized in that: the crack test block (3) is made of aluminum or alloy and has an annular structure with the outer diameter the same as that of the surrounding rock test block (1) and the inner diameter smaller than the outer diameter by 5-10 mm.
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| CN202020062266.XU CN212060077U (en) | 2020-01-13 | 2020-01-13 | Rock mass drilling sound wave test block model |
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| CN202020062266.XU CN212060077U (en) | 2020-01-13 | 2020-01-13 | Rock mass drilling sound wave test block model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189929A (en) * | 2020-01-13 | 2020-05-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Rock mass drilling sound wave test block model and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189929A (en) * | 2020-01-13 | 2020-05-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Rock mass drilling sound wave test block model and manufacturing method thereof |
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