KR100620636B1 - Eco cone penetration equipment for measuring ground bearing capacity, permeability and environment - Google Patents

Abstract

The present invention relates to an eco-cone penetration device that can measure the ground bearing permeability coefficient and the ground environment, the object of which is to ultimately collect a sample in order to improve the hassle of soil properties and sampling in situ in the field It is to provide an ecocon penetration system that can measure the ground bearing permeability coefficient and the ground environment that can scientifically and economically investigate the engineering and environmental information of the ground in a short time.

The present invention for achieving the above object has a predetermined length of the eco-cone body (1) is inserted into the ground by the connection rod device 200, and the soil sample is mounted on one end of the eco-cone body (1) measuring sensor An inductive tube 7 which is introduced to be brought into contact with the electrical body, and an electric resistivity measuring sensor 2 which is built in the upper side of the eco-con body 1 and measures the electric potential generated in the site to grasp the specific resistance distribution of the contaminated area. And a frictional resistance measuring sensor (10) installed on the outer circumferential surface of the eco-cone body (1) and measuring the frictional force of the ground by the resistance of the soil, and installed at the tip of the inflow pipe (7). A pore pressure measuring sensor 11 for measuring the bearing capacity of the front end and a pore pressure measuring sensor installed on the outer circumferential surface of the inflow pipe 7 to measure the pressure change amount of the pore water flowing into the ground by measuring the electrical resistance value to measure the water pressure. 60, and the eco cone body (1) A sampling tube (4) extending to the ground so as to raise the ground sample and groundwater introduced through the inflow pipe (7) to the ground and the inlet pipe (7) mounted on the tip of the collecting tube (4) A sample and ground water extracting apparatus 6 for collecting the sample and ground water introduced through the sample tube 4 and the ground water extracting device 6 and a temperature measuring sensor 50 installed at the periphery of the collecting tube 4 to measure the temperature of the ground. ), A pH measuring sensor (3) which is located at the lower side of the electrical resistivity measuring sensor (2) and measures the pH of the ground in contact with the soil sample flowing through the inflow pipe (7), and the electrical resistivity measuring The technical gist of the present invention includes an ORP measuring sensor 5 positioned at the lower side of the sensor 2 and contacting the soil sample introduced through the inflow pipe 7 to measure the ORP of the ground.

Eco-cone penetration device, electrical resistivity measurement sensor, pH measurement sensor, ORP measurement sensor, temperature measurement sensor, inflow pipe, friction resistance measurement sensor, tip bearing measurement sensor, permeability coefficient

Description

Eco cone penetration equipment for measuring ground bearing capacity, permeability and environment}             

1 is an overall configuration diagram of an eco-cone penetration device according to the present invention,

2 is a schematic view showing an embodiment configuration of an ecocon intrusion apparatus according to the present invention;

3 is an enlarged view of an inlet pipe according to the present invention;

Figure 4 is a schematic diagram showing the connection of the water permeability coefficient measuring device to the eco-cone penetration device according to the invention,

5 is a schematic view showing that the harvesting device is connected to the eco-cone penetration device according to the present invention,

6 is a graph showing an analysis item of the eco-cone penetration device according to the present invention.

<Description of the symbols for the main parts of the drawings>

(1): Ecocon body (2): Electric resistivity measuring sensor

(2a): electric resistance measuring tip (3): pH measuring sensor

(4): sampling tube (5): ORP measuring sensor

(6): sample and groundwater extraction device (7): inlet pipe

(7a): bottom hole 7b: side hole

(8): connection connector (9): cable

(10): Friction resistivity measuring sensor (11): Tip bearing force measuring sensor

(20): Permeability coefficient measuring device (21): Standpipe

(22): support (23): fixed anchor

(24): water tank (30): collecting device

(31): gas collecting container (32): water tank

(33): pressure gauge (34): suction pump

40: valve 50: temperature measuring sensor

(60): pore water pressure measuring sensor (100): eco-cone penetration device

(200): connection rod device (300): ground survey vehicle

400: measuring equipment

The present invention relates to an eco-cone penetration device that can measure the ground bearing power permeability coefficient and the ground environment, and more specifically, to examine the bearing capacity, permeability, environmental properties of the ground and to collect groundwater and gas samples The present invention relates to an eco-cone penetration device capable of measuring the ground bearing power permeability coefficient and the ground environment in which the penetration device is equipped with various sensors and sample taking mechanisms.

In general, for the construction of various construction structures, the structure is constructed after examining the bearing capacity of the ground, the structure of the ground, the permeability coefficient, and the pollution degree of the ground.

In order to investigate the characteristics of the ground and the ground environment, conventionally, a cone irradiating device for ground irradiation was inserted into the ground to measure the structure and strength of the ground, and the ground structure and strength were measured. In order to investigate the soil environment such as soil pollution level and groundwater, samples were taken and transported to a laboratory and measured by a separate test.

In the conventional cone penetration device as described above, only the bearing capacity of the ground can be measured, so other characteristics of the ground cannot be measured. Therefore, in order to finish the investigation of the ground characteristics and the ground environment, the work must be divided into several times. There is a problem that a lot of construction cost occurs.

In addition, the sampling method is not only cumbersome to conduct a separate test after collecting the sample and transport it to the laboratory, but also economically expensive because measuring the contamination level in the laboratory, and a large amount of contamination information The problem arises that there is a limit to gaining.

The present invention is created to solve the conventional problems as described above, in order to improve the cumbersomeness of the soil properties and sampling in situ in the field, ultimately to collect the engineering and environmental information of the ground without sampling It is an object of the present invention to provide an eco-cone penetration device that can measure the ground bearing permeability coefficient and the ground environment that can be scientifically and economically investigated in a short time.

The present invention for achieving the above object has a predetermined length and the eco-con body which is connected to the ground by the connection rod device, and the inlet pipe is installed on one end of the eco-con body to allow the soil sample to come into contact with the measuring sensor and And an electrical resistivity measuring sensor built in the upper side of the ecocon body to measure the electrical potential generated in the site to determine the specific resistance distribution of the contaminated area, and installed on the outer circumferential surface of the ecocon body by soil resistance. Friction resistance measuring sensor to measure the frictional force of the inlet, the end bearing force measuring sensor is installed at the tip of the inlet pipe to measure the bearing force of the ground when intruding into the ground, and the gap water flows into the ground installed on the outer circumferential surface of the inlet pipe Pore pressure sensor to measure the water pressure by measuring the amount of pressure change in the electrical resistance value, and is installed in the eco-con body Extraction tube and groundwater extraction installed on the ground so as to raise the incoming ground samples and groundwater to the ground, and the sample and groundwater extracted through the inlet pipe to the sample tube and groundwater to be introduced into the collecting tube A temperature measuring sensor installed at the periphery of the collecting tube and measuring the temperature of the ground, and located at the lower side of the electrical resistivity measuring sensor and in contact with the soil sample introduced through the inlet pipe to measure the pH of the ground. It is characterized in that it comprises a pH measuring sensor, and an ORP measuring sensor which is located on the lower side of the electrical resistivity measuring sensor and in contact with the soil sample flowing through the inlet pipe to measure the ORP of the ground.

The present invention is a device that can scientifically and economically investigate the bearing capacity, permeability, and contamination information of the ground in a short time without taking a sample in the field, and the various permeability and environmental characteristics of the ground to the penetration device, which is a ground investigation equipment It is a combined Eco Cone System (ECS) with a detection sensor for measurement.

Hereinafter, the configuration and operation of the embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The eco-cone penetration device that can measure the ground bearing permeability coefficient and the ground environment according to the present invention is to implement the eco-cone directly into the ground without the excavation of the ground to measure the pollution sensitivity of each layer by depth, The eco-cone penetration apparatus according to the present invention is connected to the connection rod device 200 for inserting the eco-cone as shown in Figure 1, the information obtained from the eco-cone penetration device 100 is ground survey vehicle 300 It is expressed through the measuring device mounted on the.

The eco-cone penetration device 100 connected to the ground survey vehicle 300 has an predetermined length as shown in FIG. 2 and has an predetermined length. Body 1 and the inlet pipe 7 is mounted on one end of the eco-cone body 1 to introduce the sample in contact with the measuring sensor.

On the upper side of the eco-cone body 1, an electrical resistivity measuring sensor 2 for measuring the electric potential generated in the site and grasping the specific resistance distribution in the ground is built-in, and when the ground is inserted into the outer circumferential surface of the eco-cone body 1; The frictional resistance measuring sensor 10 for measuring the frictional force of the ground by the resistance of the soil is installed.

In addition, a collection tube 4 is installed at the inner center of the eco-cone body 1 so as to raise materials such as ground samples and groundwater flowing into the inflow pipe 7 to the ground, and the collection tube 4 is It is installed extending to the ground, the sample tube and ground water flowing through the inlet pipe (7) to the front end of the collecting tube (4) to be introduced into the collecting tube (4), after collecting the sample and ground water collecting tube Sample and groundwater extracting device 6 for cleaning the inner surface of (4) is installed.

Here, the temperature measuring sensor 50 for measuring the temperature of the ground is installed at the periphery of the collecting tube 4, and one side of the collecting tube 4 in contact with the sample introduced through the inlet pipe (7) PH measurement sensor (3) for measuring the pH of the ground is located, ORP (Oxidation Reduction Potential) ORP measuring sensor (5) for measuring the redox capacity of the soil on the other side of the collecting tube (4) do.

As shown in FIG. 3, the inflow pipe 7 includes a plurality of bottom holes 7a partitioned at the bottom thereof by a divider, and side holes 7b formed to communicate with the bottom holes 7a. The pH measuring sensor 3, the ORP measuring sensor 5, and the temperature measuring sensor 50 are positioned on the side hole 7b so that the soil sample flowing through the bottom hole 7a contacts each sensor. After the side hole (7b) to be discharged. In addition, a tip bearing force measuring sensor 11 for measuring the bearing capacity of the ground is installed at the tip of the inlet pipe 7, and a pore water pressure measuring sensor 60 for measuring the pore water pressure is installed on the outer circumferential surface of the inlet pipe. .

On the other hand, the electrical resistivity measuring sensor (2) is provided with an electrical resistance measuring tip (2a) on the inner surface of the eco-con body (1) is a structure that can measure the electrical resistivity, the electrical resistance measuring tip (2a) is corroded It is made of titanium material with low electric conductivity.

Meanwhile, the information measured by the electrical resistivity measuring sensor 2, the pH measuring sensor 3, the ORP measuring sensor 5, the temperature measuring sensor 50, the frictional resistance measuring sensor 10, and the tip bearing measuring sensor 11 Is transmitted to the external measuring device 400 through the connecting means.

The connecting means includes a connection connector 8 for connecting the pH measuring sensor 3, ORP measuring sensor 5, temperature measuring sensor 50, frictional resistance measuring sensor 10, and tip bearing measuring sensor 11. In addition, the connection connector (8) and the electrical resistivity measuring sensor 2 and the cable (9) connecting between the measurement equipment 400 is configured to transmit to the ground measuring equipment.

When explaining the operation state of these sensors, when measuring the tip bearing force, when the eco-cone penetration device 100 is penetrated into the ground, the change of the electrical resistance value of the measurement sensor is detected by the resistance of the tip of the eco-cone penetration device 100. The tip bearing force is measured, and the frictional resistance is the resistance of the soil to the friction measuring sleeve when the eco-cone penetration device 100 is penetrated into the ground. The change is measured by calculating the cross section of the friction sleeve. In addition, the measurement of the pore water pressure reads the amount of change in the electrical resistance value of the pressure change transmitted from the bottom hole to the pore water pressure measurement sensor 60, and measures the pH measurement sensor (3) and the ORP measurement sensor (5) as pollution detection sensors. The pollutant is in direct contact with the measuring sensor to measure the change in each pH and ORP.

On the other hand, in the ground as shown in Figure 4 is installed in the permeability coefficient measuring device 20 to allow the variable and water level permeability test on the collecting tube (4) extending to the ground.

The permeability coefficient measuring device 20 is installed on the collecting tube 4, the stand pipe 21 for receiving groundwater contaminated water gas and the like, and is attached to the side surface of the stand pipe 21 to ground the stand pipe 21 The support 22 to secure the support 22 and the fixed anchor 23 for fixing the support 22 to the ground, and is installed on the top of the stand pipe 21 is pitched by receiving groundwater through the stent pipe 21 It consists of a water tank 24 for measuring the coefficient. In addition, a valve 40 is installed between the water tank 24 and the stand pipe 21, the stand pipe 21, and the collecting tube 4 to control the movement of groundwater, polluted water gas, and the like.

In addition, as shown in Figure 5 is installed in the collecting tube 30 so as to measure the ground environment, the sampling and the like to extend the above-ground collecting tube (4).

The collecting device 30 is installed in the collecting tube (4) is connected to any part of the gas collecting cylinder 31 for collecting gas and the connection portion of the collecting tube (4) and the gas collecting cylinder 31 and the ground water and It consists of a water tank (32) for collecting contaminated water, and a suction pump (34) connected to the water tank (32) and equipped with a pressure gauge (33).

Meanwhile, gas, contaminated water, and ground water are disposed between the collecting tube 4 and the gas collecting container 31, and between the collecting tube 4 and the water tank 32 between the water tank 32 and the suction pump 34. The valve 40 for controlling the movement of the is installed.

Referring to the working state of the present invention configured as described above are as follows.

First, the eco-cone penetration device 100 of the present invention is mounted on the connection rod device 200 connected to the ground irradiation vehicle 300 to be inserted into the ground. In this case, the electrical resistivity measuring sensor 2 measures the change in the electrical resistivity value by measuring the potential generated differently according to the depths of the ground in the ground, and measures the frictional resistance measuring sensor 10 and the tip bearing measuring sensor 11. Through this, it is possible to grasp the frictional force and supporting force of the ground, and to interpret it, and to understand the ground environment, geological structure, etc.

In addition, the soil sample is introduced through the bottom hole 7a of the inflow pipe 7 installed at the distal end of the ecocon body 1 into the ground, and the soil sample is introduced through the bottom hole 7a. Is in contact with the pH measurement sensor (3) and ORP measurement sensor (5) temperature measurement sensor 50, the ground water is to transmit pressure to the pore water pressure measurement sensor (60).

At this time, each of the sensors (3) (5) (50) (60) reacts with soil samples and ground water to measure the pH, ORP and temperature change of the ground, pore water pressure.

In addition, some soil samples collected through the bottom hole (7a) is sucked through the vacuum pump (not shown) of the sample and ground water extraction device 6 is introduced into the collecting tube (4) and raised on the ground surface and the permeability coefficient The permeability coefficient and the ground environment are irradiated through the measuring device 20 or the collecting device 30, and the remaining soil sample is discharged through the side holes 7b. The pH measuring sensor 3, ORP measuring sensor 5 and the temperature measuring sensor 50 are transmitted to the measuring device 400 through a connection connector 8 and a cable (9). In addition, after the extraction of the sample and ground water is completed, it is possible to clean the inner surface of the collecting tube (4) through a compression pump installed in the sample and ground water extraction device 6 using water or a separate chemical.

After injecting the eco-cone body 1 as described above into the ground, the electrical resistivity measured by the electrical resistivity measuring sensor 2 can continuously transmit contamination information to the measurement equipment for each depth of the ground, and also the frictional resistance The frictional resistance of the ground and the tip bearing force are measured through the measurement sensor 10 and the tip bearing measurement sensor 11, and the pH measuring sensor 3, ORP measuring sensor 5, temperature measuring sensor 50 and PH, ORP, temperature, pore water can be measured through the pore water pressure sensor 60, and the sample is collected through the sample and ground water extracting device 6 to facilitate the analysis of components such as contaminants through the collecting device 30. In addition to the permeability coefficient measuring device 20, the permeability coefficient can be measured through the permeation test of the variable water level and the water level in the groundwater.

6 is a graph showing the analysis items of the eco-cone penetration device 100 according to the present invention, by inserting the eco-cone body 1 of the present invention at the measurement point, the electric resistance measurement of the pore water pressure sensor 60 Sensor (2), pH measuring sensor (3), ORP measuring sensor (5) Temperature measuring sensor (50), frictional resistance measuring sensor (10), tip bearing measuring sensor (11), permeability coefficient measuring device (20), sampling Through the device 30, the soil sensitivity, resistance, bearing power permeability coefficient, etc. are observed by depth to analyze the results for each sensor. Based on the measurement results, the correlation between each measurement value is analyzed to determine soil contamination range, concentration, thickness, geological structure, permeability coefficient, bearing capacity, and resistance.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

The effect of the present invention can be expected by the configuration and action as described above, by attaching the detection sensor and the equipment for collecting the sample to measure the various engineering and environmental characteristics of the ground to the penetration tester which is the ground survey equipment By conducting the survey, it is possible to economically investigate and analyze the continuous measurement by depth in a short time by inserting the eco-con body into the ground, including bearing capacity, permeability, and pollution information of the ground at the site. There is no direct contact of contaminants, and it is a very useful invention that can accurately grasp pollutant characteristics and provide them to measuring equipment regardless of the type of pollutant.

Claims (5)

delete delete The eco-con body (1) having a predetermined length and connected to the ground by the connection rod device 200, and the inlet pipe that is mounted to one end of the eco-con body (1) so that the soil sample is in contact with the measuring sensor ( 7) and an electrical resistivity measuring sensor (2) embedded in the upper side of the eco-cone body (1) for measuring the electrical potential generated in the site to determine the specific resistance distribution of the contaminated area, and the eco-cone body (1). A frictional resistance measuring sensor (10) is installed on the outer circumferential surface of the ground) to measure the frictional force of the ground by the resistance of the soil, and is installed at the tip of the inflow pipe (7) to measure the bearing capacity of the ground when the ground is inserted into the ground. Sensor 11 and the pore water pressure sensor 60 is installed on the outer circumferential surface of the inlet pipe 7 to measure the water pressure by measuring the amount of pressure change of the pore water flowing into the ground as an electric resistance value, and the echo cone Mounted in the body (1) Sampling tube (4) installed to extend to the ground to raise the ground samples and ground water to the ground, and the sample and ground water collected through the inlet pipe (7) mounted on the tip of the collecting tube (4) Sample and ground water extracting device (6) to be introduced into the tube (4), a temperature measuring sensor (50) installed at the periphery of the collecting tube (4) for measuring the temperature of the ground, and the electrical resistivity measuring sensor (2) Located on the lower side of the pH measuring sensor (3) for measuring the pH of the ground in contact with the soil sample introduced through the inlet pipe (7), and is located on the lower side of the electrical resistivity measuring sensor (2) In the eco-cone penetration device consisting of an ORP measuring sensor (5) for measuring the ORP of the ground in contact with the soil sample introduced through the inlet pipe (7); A stand pipe 21 connected to the collecting tube 4 to receive ground water, a support 22 attached to the side of the stand pipe 21 to fix the stand pipe 21 to the ground, and the stand Permeability coefficient measuring device 20 is installed on the top of the pipe 21 is composed of a water tank 24 receives ground water through the stand pipe 21 to measure the permeability coefficient; Eco-conduction device that can measure the ground bearing power permeability coefficient and the ground environment, characterized in that it comprises a. delete The eco-con body (1) having a predetermined length and connected to the ground by the connection rod device 200, and the inlet pipe that is mounted to one end of the eco-con body (1) so that the soil sample is in contact with the measuring sensor ( 7) and an electrical resistivity measuring sensor (2) embedded in the upper side of the eco-cone body (1) for measuring the electrical potential generated in the site to determine the specific resistance distribution of the contaminated area, and the eco-cone body (1). A frictional resistance measuring sensor (10) is installed on the outer circumferential surface of the ground) to measure the frictional force of the ground by the resistance of the soil, and is installed at the tip of the inflow pipe (7) to measure the bearing capacity of the ground when the ground is inserted into the ground. Sensor 11 and the pore water pressure sensor 60 is installed on the outer circumferential surface of the inlet pipe 7 to measure the water pressure by measuring the amount of pressure change of the pore water flowing into the ground as an electric resistance value, and the echo cone Mounted in the body (1) Sampling tube (4) installed to extend to the ground to raise the ground samples and ground water to the ground, and the sample and ground water collected through the inlet pipe (7) mounted on the tip of the collecting tube (4) Sample and ground water extracting device (6) to be introduced into the tube (4), a temperature measuring sensor (50) installed at the periphery of the collecting tube (4) for measuring the temperature of the ground, and the electrical resistivity measuring sensor (2) Located on the lower side of the pH measuring sensor (3) for measuring the pH of the ground in contact with the soil sample introduced through the inlet pipe (7), and is located on the lower side of the electrical resistivity measuring sensor (2) In the eco-cone penetration device consisting of an ORP measuring sensor (5) for measuring the ORP of the ground in contact with the soil sample introduced through the inlet pipe (7); Connected to the collecting tube 4 to collect gas, and connected to any one of the connection portions of the collecting tube 4 and the gas collecting tube 31 to collect ground water and contaminated water; Collecting device 30 composed of a water tank (32) and a suction pump (34) connected to the water tank (32); Eco-conduction device that can measure the ground bearing power permeability coefficient and the ground environment, characterized in that configured to include.

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