KR100409048B1 - Drilling system for discontinuty orientation measurements - Google Patents

Abstract

The present invention relates to a drilling device for measuring the direction of the discontinuous surface, it is to be carried out conveniently when measuring the direction of the discontinuous surface and to minimize the cost.

The present invention is connected to the water drilling device used in the drilling (1) used for drilling and tunnels and slopes, such as a water pipe and a rod and a sampling pipe, as well as a double pipe system separated into the inner cylinder (10) and the outer cylinder (30) In the drilling device of the, the rod 11 of the inner cylinder 10 is fixed to the bracket 12 so that the rotation is stopped, and by rotating the outer cylinder 30 with the actuator to be excavated in a direct downward direction, the By installing a bit 31 at the lower end of the outer cylinder 30, excavation and sampling are possible, and the line protrusion 15 is placed on the lower lifter case 14 of the sampling inner tube 13, which is the inner cylinder 10. A straight line (reference line) is formed on the core (rock sample) 16 to be formed and collected, and an anti-rotation piece on the lifter case 14 to be coupled to a predetermined position of the sampling inner tube 13. 17) to make it connect only in a certain direction .

Description

Drilling device for directional measurement of discontinuities {DRILLING SYSTEM FOR DISCONTINUTY ORIENTATION MEASUREMENTS}

The present invention relates to a drilling device for measuring the direction of the discontinuous surface, and more particularly, to a sample collection pipe (DOM) system.

As is generally known, the measurement of directionality of discontinuities is related to rock drilling surveys made during the design of structures at construction sites and civil engineering sites.In recent years, drilling surveys such as tunnels, slopes and foundations have an absolute effect on the stability of civil structures. It was a big task to understand the direction of discontinuities (slicing, convenience, stratification, foliation, and faults) distributed in underground rocks, but the reality is that they rely only on surface geological surveys on outcrops exposed to the surface.

As mentioned above, it was not possible to grasp the direction of the discontinuous surface distributed in the underground rock until recently, but some investigations are being made with the recent import of BIPS (BOREHOLE IMAGE PROCESSING SYSTEM) and ATV (ACOUSTIC TELEVIEWER).

However, the above-mentioned equipment is a cause of waste of foreign currency due to the high price, and is also used only in some special boreholes as the survey cost increases when identifying the discontinuous surface using the equipment.

SUMMARY OF THE INVENTION An object of the present invention is to provide a drilling device for measuring the direction of a discontinuous surface, which can be conveniently carried out when measuring the directionality of the discontinuous surface and to minimize the cost.

In order to achieve the above object, the present invention in the double pipe type drilling apparatus coupled to the water shovel and the rod and the sampling tube in the state coupled to the drilling machine and separated into the inner cylinder and the outer cylinder, while only the outer cylinder is rotated directly A bit is installed at the lower end of the outer cylinder to be able to be excavated in a direction, and a line protrusion is formed at the lower lifter case of the inner tube sampling inner tube, and the anti-rotation piece is placed on the lifter case to be coupled to a predetermined position of the sampling inner tube. To form.

1 is an exploded view of a first embodiment of the present invention;

2 is a cross-sectional view of the coupling state of the first embodiment of the present invention;

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B of FIG.

5 is a cross-sectional view taken along the line C-C of FIG.

6 is a cross-sectional view taken along the line D-D of FIG.

7 is a cross-sectional view taken along the line E-E of FIG.

8 is a cross-sectional view taken along the line F-F of FIG.

9 is a schematic diagram showing the main parts of a first embodiment of the present invention;

10 is a view illustrating a use state of the first embodiment of the present invention;

11 is an exemplary state of use of the second embodiment of the present invention;

12 is an exploded view of a second embodiment of the present invention;

13 is an exemplary view of a use state of a third embodiment of the present invention;

14 is an exploded view of a third embodiment of the present invention;

15 is a sample analysis diagram of an embodiment of the present invention.

<Description of the code used in the main part of the drawing>

1: drilling 10: inner barrel

13: Sampling inner tube 14: Lifter case

15: Line projection 16: Sample

17: Anti-rotation piece 19: Guide

30: outer 32: water shibel

33: circular protractor 36: sampling appearance

60: holder 61: wire

In the first embodiment of the present invention, as shown in Figures 1 to 10, the water shovel and the rod and the sampling tube is connected in the state coupled to the drill (1) used for drilling investigation such as tunnel and slope In addition, in the double tube type drilling apparatus separated into the inner cylinder 10 and the outer cylinder 30, by fixing the rod 11 of the inner cylinder 10 with the bracket 12 so that the rotation is stopped and the outer cylinder to the working body Rotating (30) to be excavated in a straight down direction, by installing a bit 31 at the lower end of the outer cylinder 30 to enable excavation and sampling, the inner tube (10) sampling inner tube 13 A straight line (reference line) is formed on the core (rock sample) 16 which is collected by forming a line protrusion 15 on the lower lifter case 14 of the c), and the sampling inner tube 13 The anti-rotation piece 17 is formed on the lifter case 14 so as to be engaged at a predetermined position of the And it is to be connected only in a specific direction.

The upper side of the rod 11, which is the inner cylinder 10, is formed to protrude upward from the water shovel 32, and the reference line 18 is formed in the rod 11 in the downward direction, thereby injecting and extracting the reference line 18. The direction of) can always be measured from the outside.

In addition, the guide 19 is formed on both sides of the opposing point 15 of the line protrusion 15 so that the reference line through the line protrusion 15 is smoothly formed, and the line protrusion 15 is a reference line. Each guide 19 is to be rotated while supporting the rock sample 16 when forming the. The line projections 15 form a straight line with the reference line 18 and the rotation preventing piece 17 of the rod 11 so that the reference line 18 and the reference line point in the same direction. Measure the direction and inclination of the line protrusion 15 and the anti-rotation piece 17 immediately after the completion of excavation of one run (drilling field to excavate at once) and immediately before the sample (rock sample) 16 is collected. If you can see the azimuth and excavation angle of the reference line.

A circular protractor 33 is installed on the rod 11 above the water shivel 32 to determine the rotation angle of the rod 11 fixed to the bracket 12 (to grasp the azimuth angle of the magnetic north N and the reference line). As such, the circular protractor 33 is a guide device for fixing the direction of the reference line to be drawn in only one direction, and may be easily attached to the spindle or the drilling tower 34 of the drill 1, and the circular The protractor 33 always draws a reference line in a constant direction from the beginning to the end of the drilling to ensure consistency in the directional analysis of the sample 16.

And by installing the blade-shaped space in four directions with the bearing 20 at each point of the inner cylinder 10 so that the inner cylinder 10 is always located in the center of the outer cylinder 30 and the outer cylinder 30 is free to rotate It is to facilitate the drilling water (Drilling Water) between the space. In addition, the inner cylinder 10 is to be able to freely reciprocate about 5-10 cm up and down in the outer cylinder 30 to facilitate the connection and dismantling of the rod (11).

In addition, by connecting the rod inner tube 21, which is the inner cylinder 10, to the rod coupling 22, each rod inner tube 21 is connected without being rotated. The rod coupling 22 has a triangular cross section, It can be formed into a square, snowman, trapezoidal shape, keyway shape, and the like.

Reference numeral 35 is a reference line holder, 36 is a sampling appearance, 37 is a sampling head, 38 is a rod appearance, 39 is a water discharge hole, and 40 is a central regulator.

The first embodiment of the present invention as described above is to facilitate the convenience and to minimize the cost when measuring the directionality of the discontinuous surface, and to allow the outer cylinder 30 outside the inner cylinder 10 to be rotated as well as the inner cylinder. Line projections 15 and guides 19 are formed on the lifter case 14 in the section 10, and the anti-rotation pieces 17 are formed at the ends of the lifter case 14 at symmetrical or equidistant intervals for sampling. The rod 11 is connected to the inner tube 13 in a predetermined direction, and is formed by protruding the rod 11 on which the reference line 18 is formed. The anti-rotation piece 17 is formed on both sides in the same or different sizes.

The inner cylinder 10 and the outer cylinder 30 are to be coupled through a bearing 20, etc., the inner cylinder 10 is formed by connecting the lifter case 14 and the sampling inner tube 13 and the rod inner tube 21 The outer cylinder 30 is formed by connecting the bit 31 and the sampling appearance 36 and the rod appearance 38 and the water shovel 32.

In addition, by forming the rod coupling 22 in various forms and connecting each rod inner tube 21 is coupled only in a predetermined direction.

In addition, the circular protractor 33 is attached to the rod 11 on the upper side of the water shovel 32 to grasp the azimuth angles of the magnetic north N and the reference line. It is done.

When the bit 31 is rotated by rotating the outer cylinder 30 in the above state, the excavation is made in a straight downward direction due to the excavation of the bit 31, and the excavation is performed, so that the sample inner tube 13 is inside. The sample (rock sample) 16 is gradually introduced. The rock sample 16 introduced into the sampling inner tube 13 forms a reference line by the line protrusion 15, and the reference line is coincident with the reference line 18 of the rod 11. When the rock sample 16 of the appropriate length is filled with the sampling inner tube 13, the rock sample 16 is lifted.

The lifting is made by cutting the rock sample 16 by the protrusion (not shown) of the lifter case 14, and after separating the lifted rock sample 16 from the sampling inner tube 13, the direction of the discontinuous surface In order to calculate the discontinuities, the distance between the highest point and the lowest point of each discontinuity plane is calculated, and the azimuth difference between the reference line and the highest point or the lowest point is found.

The determination of the directionality, etc. is solved by FIG. 15, and is understood through the developmental form (a) and the sine curve (b) of the joint, and in a, Azimuth is the direction indicating the highest point of the joint surface developed in the rock sample 16. In view of the central axis of the rock sample 16, the opposite direction of Azimuth becomes the inclined direction of the joint. The direction of Azimuth for each joint surface developed in the rock sample 16 can be obtained using a reference line. At this time, the inclination direction of the joint becomes [Azimuth + 180 ° or Azimuth-180 °], and the strike from this becomes [Slope direction-90 °]. The inclination of the joint can be obtained using [difference between the highest and lowest points of joint (H)] and [diameter of cylindrical rock sample (D)] developed in the rock sample (16).

Dip Direction: [Azimuth + 180 °] or [Azimuth-180 °]

Dip: [Tan ^-1 (H / D)]

Here, strike is [inclined direction-90 °].

In the second embodiment of the present invention, as shown in Figure 11 and 12, the water shovel and the rod and the sampling tube is connected in the state coupled to the drilling device 1 used for drilling investigation such as tunnel and slope In addition, in the double tube type drilling apparatus separated into the inner cylinder 10 and the outer cylinder 30, by fixing the rod 11 of the inner cylinder 10 with the bracket 12 to stop the rotation and the outer cylinder to the working body Rotating (30) to be excavated in a straight down direction, by installing a bit 31 at the lower end of the outer cylinder 30 to enable excavation and sampling, the inner tube (10) sampling inner tube 13 A straight line (reference line) is formed on the core (rock sample) 16 which is collected by forming a line protrusion 15 on the lower lifter case 14 of the c), and the sampling inner tube 13 The anti-rotation piece 17 is formed on the lifter case 14 so as to be engaged at a predetermined position of the And it is to be connected only in a specific direction.

Connect the magnetic field prevention rod 50 which can be protected from the magnetic field on the upper side of the sampling appearance 36 which is the outer cylinder 30, and automatically measure the direction to the inner cylinder 10 inside the magnetic field prevention rod 50 The EZ-SHOT 51 and the magnetic field preventing inner tube 52 are sequentially connected to each other, and the sampling head 37 and the sampling inner tube 13 are disposed below the magnetic field preventing inner tube 52. To connect. The easy shot 51 is to determine the correct direction at the longest depth, and to install the magnetic field prevention rod 50 and the magnetic field prevention inner tube 52, etc. so that the function of the easy shot 51 can be made normally. In addition, the easy shot 51 is covered with the protective case 53 and is connected to the magnetic field prevention inner tube 52 by the coupling 54.

As described above, the second embodiment of the present invention is conveniently performed when the directionality of the discontinuous surface is measured at the longest depth, and only a part different from the above-described first embodiment will be described.

Connect the magnetic field prevention inner tube 52 to which the easy shot 51 is connected to the sampling head 37 and the magnetic field preventing rod 50 on the outside of the easy shot 51 to the sampling exterior 36. As a connection, the magnetic field preventing inner tube 52 and the magnetic field preventing rod 50 is formed of aluminum or stainless so as not to be affected by the magnetic field.

When the bit 31 is rotated by rotating the outer cylinder 30 in the above state, the excavation is made in a straight downward direction due to the excavation of the bit 31, and the excavation is performed, so that the sample inner tube 13 is inside. The sample (rock sample) 16 is gradually introduced. The rock sample 16 introduced into the sampling inner tube 13 forms a reference line by the line protrusion 15, and the reference line coincides with the reference line 18 of the rod 11. When the rock sample 16 of the appropriate length is filled with the sampling inner tube 13, the rock sample 16 is lifted to determine the orientation.

A third embodiment of the present invention is referred to in FIG. 12 and as shown in FIGS. 13 and 14, in which water shevels, rods and specimens are coupled to a drill 1 used for drilling investigations such as tunnels and slopes. In the double tube type drilling apparatus, which is connected to the collection pipe and connected to the inner cylinder 10 and the outer cylinder 30, the rod 11 of the inner cylinder 10 is fixed to the bracket 12 so that the rotation is stopped. In addition, by rotating the outer cylinder 30 to the working body to be excavated in a direct downward direction, by installing a bit 31 at the lower end of the outer cylinder 30 to enable excavation and sampling, the inner cylinder 10 A straight line (reference line) is formed on the core (rock sample) 16 collected by forming a line protrusion 15 on the lower lifter case 14 of the sampling inner tube 13, and the sample To the lifter case 14 to be coupled to a predetermined position of the sampling inner tube 13. To form a front jipyeon 17 to be connected only in a specific direction.

Connect the magnetic field prevention rod 50 which can be protected from the magnetic field on the upper side of the sampling appearance 36 which is the outer cylinder 30, and automatically measure the direction to the inner cylinder 10 inside the magnetic field prevention rod 50 The EZ-SHOT 51 and the magnetic field prevention inner tube 52 are sequentially connected to each other, and the sampling inner tube 13 is connected to the lower side of the magnetic field prevention inner tube 52. The easy shot 51 is to determine the correct direction at the longest depth, and to install the magnetic field prevention rod 50 and the magnetic field prevention inner tube 52, etc. so that the function of the easy shot 51 can be made normally. In addition, the easy shot 51 is covered with the protective case 53 and is connected to the magnetic field prevention inner tube 52 by the coupling 54.

In addition, the sampling head 37 is connected to an end of the protective case 53 on the upper side of the easy shot 51, which is the inner cylinder 10, and one end of the wire 61 is fixed to the upper side of the sampling head 37. The holder 60 is connected and fixed, and the other end of the wire 61 is connected to the winding roller 62 of the drilling machine 1. The winding roller 62 is to pull or release the wire 61 by the operating interruption of the drilling machine 1, and when the wire 61 is pulled, the lifting of the sample 16 is made, and the wire 61 is lifted. When placed, the sample 16 is filled.

As described above, the third embodiment of the present invention is conveniently performed when the directionality of the discontinuous surface is measured at the longest depth, and only portions that differ from the above-described first and second embodiments will be described.

Connect the magnetic field prevention inner tube 52 to which the easy shot 51 is connected to the upper side of the sampling exterior 36, and connect the sampling head 37 to the upper side of the protective case 53 covered with the easy shot 51. , The holder 60 is connected to the sampling head 37. Position the magnetic field prevention rod 50 on the outside of the easy shot 51 to connect to the sampling appearance 36, the holder 60 is connected to the winding roller 62 through the wire 61. .

When the bit 31 is rotated by rotating the outer cylinder 30 in the above state, the excavation is made in a straight downward direction due to the excavation of the bit 31, and the excavation is performed, so that the sample inner tube 13 is inside. The sample (rock sample) 16 is gradually introduced. The rock sample 16 introduced into the sampling inner tube 13 forms a reference line by the line protrusion 15, and the reference line coincides with the reference line 18 of the rod 11. When the rock sample 16 of the appropriate length is filled with the sampling inner tube 13, the winding roller 62 is operated to pull the wire 61.

At the same time as the wire 61 is pulled, the holder 60, the sampling head 37, the easy shot 51, the sampling inner tube 13, and the like are lifted, and when the sampling inner tube 13 is lifted up, the rock By lifting the sample 16 as well, the orientation of the rock sample 16 can be easily determined.

As described above, the present invention can accurately express the reference line in the rock sample by forming a line protrusion on the lifter case, and by forming a guide at an opposite point of the line protrusion, the reference line of the line protrusion is formed to be straight. The anti-rotation piece is formed at the end of the lifter case so that the reference line does not deviate as the anti-rotation piece is fixed to the sampling inner tube, and the rod protrudes upward from the water shovel. By forming a reference line on the outside, the direction of excavation can be conveniently understood.

In addition, it provides accurate and economical design and construction data for tunnels and slopes by accurately understanding the developmental state (direction) of discontinuities in underground rocks.In addition, it is the cause of tunnel collapse during investigation by advanced drilling. It is possible to grasp the direction of the discontinuous surface, and can perform pre-supporting before excavation, and provide data to identify the movement route of the pollutant when examining the movement of contaminated groundwater, and in ATV or BIPS It is also possible to recognize fine discontinuities that are not recognized as a resolution problem of the equipment.

In addition, it is possible to reduce damage and reconstruction costs due to the collapse of the slope by applying it to the slope collapse site that is causing a lot of problems in Korea. This can reduce the damage caused by the collapse of the tunnel and reduce the additional construction cost.

In addition, it is possible to obtain necessary data without adding a specific research fee to determine the direction of the discontinuities in the rock, and it is economical, and it is possible to reduce the introduction of equipment for identifying the direction of the discontinuities in the rock, thereby preventing the waste of foreign currency.

Claims (8)

In the double pipe type drilling apparatus coupled to the water shevel and the rod and the sampling tube in the state coupled to the drilling (1) and separated into the inner cylinder 10 and the outer cylinder 30, while only the outer cylinder 30 is rotated A bit 31 is installed at the lower end of the outer cylinder 30 so as to be able to be excavated in a straight direction, and a line protrusion 15 is formed at the lower lifter case 14 of the sampling inner tube 13 which is the inner cylinder 10. And a rotation preventing piece (17) formed on the lifter case (14) to be coupled to a predetermined position of the sample collection inner tube (13). The method of claim 1, Drilling apparatus for directional measurement of the discontinuity surface, characterized in that the inner cylinder (10) is formed to protrude to the upper side of the water shovel (32) and the reference line (18) on the rod (11). The method of claim 1, Drilling apparatus for directional measurement of the discontinuous surface, characterized in that the guide (19) is formed on both sides of the opposite point of the line projection (15). The method of claim 1, Drilling device for directional measurement of the discontinuous surface, characterized in that the circular protractor (33) is installed on the rod (11) above the water shovel (32). The method of claim 1, The magnetic field preventing rod 50 is connected to an upper side of the sample outer appearance 36 which is the outer cylinder 30, and the easy shot 51 and the magnetic field preventing inner tube 52 are connected to the inner cylinder 10 inside the magnetic field preventing rod 50. Drilling device for measuring the discontinuity of the discontinuity surface, characterized in that connecting the sampling inner tube (13) to the lower side of the magnetic field preventing inner tube (52). The method of claim 5, The easy shot (51) is covered with a protective case (53) and coupled to the magnetic field prevention inner tube by a coupling 54, the apparatus for directional measurement of the discontinuous surface. The method according to claim 1 or 5, The sampling head 37 is connected to the upper side of the easy shot 51, which is the inner cylinder 10, and the holder 60 having the wire 61 fixed thereto is connected to the sampling head 37. Drilling apparatus for directional measurement of discontinuous surface, characterized in that the end of the (61) is connected to the take-up roller 62 of the drilling machine (1). The method of claim 1, Drilling apparatus for directional measurement of the discontinuous surface, characterized in that the rod inner pipe (21) connection of the inner cylinder (10) as a rod coupling (22).