CN115655822A - Rock-like material test piece mold capable of adjusting fracture angle and method thereof - Google Patents

Abstract

The invention discloses a rock-like material test piece mold capable of adjusting a fracture angle and a method thereof. The box body is composed of two parts and is formed by splicing bolts. And the front surface of the box body is provided with a circular device capable of adjusting the crack angle, the circle center of the device is provided with a gap, the crack sheet can be embedded into the gap, and the rotatable device is used for adjusting the prefabricated crack angle. The bottom plate is arranged at the bottom of the box body and can be detached. The angle of the prefabricated crack can be adjusted conveniently and quickly by the die, pouring is convenient, and the die is easy to disassemble.

Description

Rock-like material test piece mold capable of adjusting fracture angle and method thereof

Technical Field

The invention relates to the field of geotechnical engineering, in particular to a rock-like material test piece mold capable of adjusting a fracture angle and a method thereof.

Background

Rock masses involved in engineering construction are formed under lengthy and complex geological conditions, often with different characteristics, different distribution patterns. In recent years, in order to meet the living needs of people, the development of underground space is more important, which brings new challenges and difficulties to the field of rock mechanics, and in the continuous exploration of rock mass, the rock mechanics test is the most effective and direct way to research the rock mechanics characteristics.

In the research and exploration of the rock, a large number of samples are needed to ensure the reasonability of the test conclusion, but the sampling of the rock is very difficult, so the rock-like material with the similar performance to the rock to be researched becomes the most effective sample for carrying out the rock mechanical test at present. In actual engineering construction, most of encountered rocks contain cracks, so that a method for simply and effectively manufacturing a rock-like test piece containing cracks is needed at present.

Disclosure of Invention

The invention aims to provide a rock-like material test piece mold capable of adjusting a fracture angle and a method thereof, so as to solve the problems in the background.

The purpose of the invention is realized by adopting the following technical scheme: a rock-like material test piece mold capable of adjusting fracture angles comprises a box body with an open top and a bottom plate. The box body consists of two parts which are spliced by bolts, the front surface of the box body is provided with a circular device capable of adjusting the fracture angle, the circle center of the device is provided with a gap, a fracture sheet can be embedded into the gap, and the rotatable device is used for adjusting the prefabricated fracture angle; the bottom plate is arranged at the bottom of the box body and can be detached.

Preferably, the mold box body is a square body, the bottom plate is a square plate, and the bottom plate is placed on the bottom surface of the box body; the square plate is internally provided with a groove, the length of the groove is equal to that of the box body, and the width of the groove is equal to the thickness of the box body;

preferably, the two parts of the box body are formed by connecting four bolts;

preferably, the bottom plate is a square plate with a groove, and the surface with the groove is butted with the lower surface of the box body;

preferably, the front surface of the box body is provided with a circular rotating device, the circle center of the device is provided with a gap, and the gap sheet is embedded into the gap;

preferably, the crack sheet penetrates through the gaps on the two sides;

preferably, the box body, the bottom plate and the circular rotating device are made of non-metal materials, but the bolts are made of metal materials;

a use method of a rock-like material test piece mold capable of adjusting a fracture angle comprises the following steps:

simulating the space form and distribution of fractures in actual rocks, and determining used fracture pieces;

step two, splicing the die, embedding the crack pieces into gaps of the circular rotating devices on the two sides of the box body, and adjusting the angles of the crack pieces;

and step three, injecting rock-like materials which are proportioned according to a certain proportion into a spliced mould, compacting by vibration, curing and molding, and then obtaining the prepared sample by using a traditional demoulding method.

The invention has the following beneficial effects:

(1) According to the test piece die, the crack sheet is embedded into the rotatable circular device on the side surface of the box body, and the rotating device can freely adjust the angle of the crack;

(2) The test piece mold provided by the invention is easy to disassemble and clean, and the manufactured crack angle can be designed according to the experimental requirements.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic structural diagram of a rock-like material test piece mold capable of adjusting a fracture angle according to an embodiment of the invention;

FIG. 2 is a schematic view of a bolt for connecting the box according to an embodiment of the present invention;

FIG. 3 is a side view of the outer case and a view of the circular rotating device according to the embodiment of the present invention;

FIG. 4 is a side view of the inner box and a view of the circular rotating device according to the embodiment of the present invention.

In the figure, 1, a box body, 2, a circular rotating device, 3, a bottom plate, 4, bolt holes, 5 and bolts.

Detailed Description

It is noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example (b):

referring to fig. 1 to 4, an embodiment of the invention provides a structural schematic diagram of a rock-like material test piece mold capable of adjusting a fracture angle, the mold mainly includes a box body 1, a box body 2, a circular rotating device 3, a bottom plate 4, bolt holes 5 and bolts.

The box body 1 and the bottom plate 3 form a square box body with an open top, two halves of the box body 1 are connected through bolt holes 4 and bolts 5, and the box body and the bottom plate 3 are connected through a groove in the bottom plate to form a square space for containing rock-like materials.

The bottom plate 3 is placed at the bottom of the box body, as shown in fig. 1, the bottom plate is a square plate, a groove is carved on the plate, the length of the groove is equal to the length of the box body, and the width of the groove is equal to the thickness of the box body. Thus, the bottom plate can be tightly combined with the box body.

The box body 1 in this embodiment is provided with a circular rotating device, and as shown in fig. 3, the two are spliced through a groove in the box body.

Furthermore, as shown in fig. 4, a gap is provided at the center of the circular rotating device, and the cleft plate can be inserted into the box body through the gap and pass through the gap in the circular rotating device at the other side.

Furthermore, the circular rotating device can be rotated after the crack sheet is inserted, so that the crack angle can be changed.

Finally, it should be noted that in this embodiment, the box body, the bottom plate, and the circular rotating device are made of high-strength non-metallic materials, and the bolts are made of metallic materials.

A use method of a rock-like material test piece mold capable of adjusting a fracture angle comprises the following steps:

simulating the space form and distribution of fractures in actual rocks, and determining used fracture pieces;

step two, splicing the die, embedding the crack pieces into gaps of the circular rotating devices on the two sides of the box body, and adjusting the angles of the crack pieces;

and step three, injecting rock-like materials which are proportioned according to a certain proportion into a spliced mould, compacting by vibration, curing and molding, and then obtaining the prepared sample by using a traditional demoulding method.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (1)

1. The utility model provides a class rock material test piece mould of adjustable crack angle, is open box 1 and bottom plate 3, its characterized in that including the top:

the box body 1 is composed of two parts and formed by connecting bolts 5, a circular device 2 capable of adjusting the crack angle is arranged on the front face of the box body, a gap is formed in the circle center of the device, a crack sheet can be embedded into the gap, the rotatable device 2 is used for adjusting the angle of a prefabricated crack, the bottom plate 3 is arranged at the bottom of the box body, and the bottom plate can be detached.

The rock-like material test piece mold capable of adjusting the fracture angle as claimed in claim 1, wherein the mold box body 1 is a square body, the bottom plate is a 3-square plate, the bottom plate 3 is placed on the bottom surface of the box body 1, a groove is formed in the square plate, the groove is surrounded into another small square shape, the length of the small square shape is equal to the length of the box body, and the width of the groove is equal to the thickness of the box body.

The rock-like material test piece mold capable of adjusting the fracture angle as claimed in claim 2, wherein the two parts of the box body 1 are connected by four bolts 5.

The rock-like material test piece mold capable of adjusting the fracture angle as claimed in claim 2, wherein the bottom plate 3 is a square plate with grooves, and the surface with the grooves is butted with the lower surface of the box body.

The rock-like material test piece mold capable of adjusting the fracture angle as claimed in claim 1, wherein the front surface of the box body 1 is provided with a circular rotating device 2, the center of the circle of the device is provided with a gap, and the fracture piece is embedded in the gap.

The fracture angle adjustable rock-like material specimen mold as claimed in claim 5, wherein the fracture plate penetrates through the gaps on both sides.

The rock-like material test piece mold capable of adjusting the fracture angle as claimed in claim 1, wherein the box body 1, the bottom plate 3 and the circular rotating device 2 are made of non-metal materials, and the bolt 5 is made of metal materials.

A use method of a rock-like material test piece mold capable of adjusting a fracture angle comprises the following steps:

simulating the space form and distribution of fractures in actual rocks, and determining used fracture pieces;

step two, splicing the die, embedding the crack pieces into gaps of the circular rotating devices on the two sides of the box body, and adjusting the angles of the crack pieces;

and step three, injecting rock-like materials which are proportioned according to a certain proportion into a spliced mould, compacting by vibration, curing and molding, and then obtaining the prepared sample by using a traditional demoulding method.

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