CN107386250A - For reconnoitring the device and method of engineering geology - Google Patents
For reconnoitring the device and method of engineering geology Download PDFInfo
- Publication number
- CN107386250A CN107386250A CN201710518842.XA CN201710518842A CN107386250A CN 107386250 A CN107386250 A CN 107386250A CN 201710518842 A CN201710518842 A CN 201710518842A CN 107386250 A CN107386250 A CN 107386250A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- round bur
- bur bar
- change
- threaded drillpipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/007—Measuring stresses in a pipe string or casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention provides a kind of device and method for being used to reconnoitre engineering geology, the certain screw thread of spacing is distributed with threaded drillpipe, by screw thread and rig rotation control rod boring speed, stable working condition is provided for drill bit.One section of light round bur bar is set between drill bit and threaded drillpipe, and light round bur bar reduces surrounding soil and it is acted on and caused additional torque, and with stress induction device is arranged on time round bur bar, timely induction effect is in the moment of torsion on light round bur bar and caused stress.By the change for the temperature inductor temperature sensor being arranged on drill bit, so as to judge the classification of the soil body and change；On the other hand because drill bit cuts the soil body, drilling rod will be acted on by moment of torsion, because the soil body of varying strength produces different moment of torsion, by the stress induction device on light round bur bar can inverse go out the undrained shear strength of the corresponding soil body, then can combine laboratory test as needed and carry out data preparation and analysis.
Description
Technical field
The present invention relates to a kind of device and method for being used to reconnoitre engineering geology.
Background technology
The vane shear test of geotechnical engineering geologic reconnaissance can determine not arranging for soft cohesive soil under the conditions of in-situ stress
Water shearing strength, and then the sensitivity of soft clay, foundation bearing capacity are can be evaluated whether, and can determine that the consolidation state of soft cohesive soil.
Vane shear test is to apply relatively broad home position testing method, and concrete operations are first to drill, after by four-bladed vane
In the weak soil of head press-in hole bottom, rotated with uniform speed, by certain measuring system, measure torque required during its rotation,
The undrained shear strength of the soil body is calculated, data analysis is carried out then in conjunction with laboratory test.
Generally speaking, the vane shear test operating procedure being pressed into afterwards that first drills is relatively complicated, causes operating efficiency ratio
It is relatively low, and it is only applicable to soft cohesive soil.
The content of the invention
It is an object of the invention to provide a kind of device and method for being used to reconnoitre engineering geology, existing prospecting can solve the problem that
The problem of scheme efficiency of engineering geology is low, cost is high, accuracy is low.
To solve the above problems, the present invention provides a kind of device for being used to reconnoitre engineering geology, including：
Threaded drillpipe, the certain screw thread of spacing is distributed with the threaded drillpipe；
The motor being connected with the threaded drillpipe；
Drill bit, temperature inductor is provided with the drill bit；
Light round bur bar, stress induction device, one end and the screw thread of the smooth round bur bar are provided with the smooth round bur bar
Drilling rod is connected, and the other end is connected with the drill bit.
Further, in said apparatus, the diameter of the smooth round bur bar is less than the diameter of the threaded drillpipe.
Further, in said apparatus, the screw thread is distributed with by default spacing on the threaded drillpipe.
Further, in said apparatus, two temperature inductors are relatively set with the drill bit.
According to the another side of the present invention, there is provided a kind of method for reconnoitring engineering geology, including：
Crept into by motor driven threaded drillpipe, light round bur bar and drill bit, wherein, it is distributed with the threaded drillpipe
Screw thread, the motor are connected with the threaded drillpipe, and temperature inductor is provided with the drill bit, is set on the smooth round bur bar
There is stress induction device, one end of the smooth round bur bar is connected with the threaded drillpipe, and the other end is connected with the drill bit；
Stress induction device on the smooth round bur bar sense the moment of torsion that is acted in the drilling process on light round bur bar and
Caused stress；
The change of temperature inductor temperature sensor on the drill bit；
The moment of torsion that is acted in the drilling process induced according to stress induction device on light round bur bar and it is caused should
Power, inverse go out the undrained shear strength of the soil body：
The change of the temperature induced according to the temperature inductor on the drill bit, judge classification and the change of the soil body
Change.
Further, in the above-mentioned methods, the change of the temperature induced according to the temperature inductor on the drill bit, sentences
The classification of the disconnected soil body and change, including：
The change of the temperature induced according to the temperature inductor on the drill bit, judge the classification and not of various soil mass
With the change of soil layer.
Further, in the above-mentioned methods, the diameter of the smooth round bur bar is less than the diameter of the threaded drillpipe.
Further, in the above-mentioned methods, the screw thread is distributed with by default spacing on the threaded drillpipe.
Further, in the above-mentioned methods, two temperature inductors are relatively set with the drill bit.
Compared with prior art, the present invention passes through screw thread and rig rotation control by the way that screw thread is distributed with threaded drillpipe
Rod boring speed, stable working condition is provided for drill bit.Light round bur bar, light round bur bar are set between drill bit and threaded drillpipe
Reduce surrounding soil to act on and caused additional torque it, with stress induction device is arranged on time round bur bar, sensing in time is made
Moment of torsion on light round bur bar and caused stress.By the change for the temperature inductor temperature sensor being arranged on drill bit,
So as to judge the classification of the soil body and change；On the other hand because drill bit cuts the soil body, drilling rod will be acted on by moment of torsion, due to different strong
The soil body of degree produces different moments of torsion, by the stress induction device on light round bur bar can inverse go out the not draining shearing resistance of the corresponding soil body
Intensity, then laboratory test can be combined as needed and carry out data preparation and analysis.
Brief description of the drawings
Fig. 1 is the structure chart for being used to reconnoitre the device of engineering geology of one embodiment of the invention；
Fig. 2 is the flow chart for being used to reconnoitre engineering geology of one embodiment of the invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in figure 1, the present invention provides a kind of device for being used to reconnoitre engineering geology, including：
Threaded drillpipe 1, the certain screw thread of spacing is distributed with the threaded drillpipe 1；
The motor being connected with the threaded drillpipe 1；
Drill bit 2, temperature inductor 3 is provided with the drill bit 2；
Light round bur bar 4, is provided with stress induction device 5 on the smooth round bur bar 4, one end of the smooth round bur bar 4 with it is described
Threaded drillpipe 1 is connected, and the other end is connected with the drill bit 2.
The present invention's is used to reconnoitre in the embodiment of device one of engineering geology, and the diameter of the smooth round bur bar is less than the spiral shell
The diameter of line drilling rod.
The present invention's is used to reconnoitre in the embodiment of device one of engineering geology, is distributed on the threaded drillpipe by default spacing
There is the screw thread.
The present invention's is used to reconnoitre in the embodiment of device one of engineering geology, and two temperature are relatively set with the drill bit
Inductor.
Here, the certain screw thread of spacing is distributed with threaded drillpipe, pass through screw thread and rig rotation control rod boring speed
Degree, stable working condition is provided for drill bit.The light round bur bar of one section of minor diameter, light round bur are set between drill bit and threaded drillpipe
Bar reduces surrounding soil and it is acted on and caused additional torque, with stress induction device is arranged on time round bur bar, senses in time
The moment of torsion that acts on light round bur bar and caused stress.Drill bit is at the uniform velocity crept under homeostasis thrust, on the one hand in homeostasis
Acted under soil pressure effect by frictional force, the change of frictional force depends on the change of coefficient of friction, and different soil body particles has
Different coefficient of friction, and frictional force acts on drill bit will produce temperature, passes through the temperature inductor being arranged on drill bit and senses
The change of temperature, so as to judge the classification of the soil body and change；On the other hand because drill bit cuts the soil body, drilling rod will be made by moment of torsion
With, because the soil body of varying strength produces different moment of torsion, by the stress induction device on light round bur bar can inverse go out corresponding soil
The undrained shear strength of body, then laboratory test can be combined as needed and carry out data preparation and analysis.
The present invention can improve the efficiency of geological mapping work, reduce the cost of engineering investigation；When judging soil strength,
The disturbance of the soil body is reduced, improves the accuracy of data.
As shown in Fig. 2 according to the another side of the present invention, another method for being used to reconnoitre engineering geology is also provided, including：
Step S1, crept into by motor driven threaded drillpipe, light round bur bar and drill bit, wherein, the threaded drillpipe
On screw thread is distributed with, the motor is connected with the threaded drillpipe, and temperature inductor, the smooth round bur are provided with the drill bit
Stress induction device is provided with bar, one end of the smooth round bur bar is connected with the threaded drillpipe, and the other end connects with the drill bit
Connect；
Step S2, the stress induction device on the smooth round bur bar senses to be acted on light round bur bar in the drilling process
Moment of torsion and caused stress；
Step S3, the change of the temperature inductor temperature sensor on the drill bit；
Step S4, act on the moment of torsion on light round bur bar and produce in the drilling process induced according to stress induction device
Raw stress, inverse go out the undrained shear strength of the soil body：
Step S5, the change of the temperature induced according to the temperature inductor on the drill bit, judge the class of the soil body
Not and change.
The present invention's is used to reconnoitre in the embodiment of method one of engineering geology, according to the temperature inductor sense on the drill bit
The change for the temperature that should go out, judge classification and the change of the soil body, including：
The change of the temperature induced according to the temperature inductor on the drill bit, judge the classification and not of various soil mass
With the change of soil layer.
The present invention's is used to reconnoitre in the embodiment of method one of engineering geology, and the diameter of the smooth round bur bar is less than the spiral shell
The diameter of line drilling rod.
The present invention's is used to reconnoitre in the embodiment of method one of engineering geology, is distributed on the threaded drillpipe by default spacing
There is the screw thread.
The present invention's is used to reconnoitre in the embodiment of method one of engineering geology, and two temperature are relatively set with the drill bit
Inductor.
Here, it is different according to the coefficient of friction of soil body different-grain diameter, measured by the temperature inductor being installed on drill bit
The temperature change of drill bit, so as to judge the change of the classification of various soil mass and different soil；According to the soil body pair of varying strength
Drill bit amount of force is different, and the not draining shearing resistance that the soil body is calculated by the stress induction device analysis being installed on drilling rod is strong
Degree.
The present invention can by once drill judge soil body classification change, measure the soil body undrained shear strength, improve
Operating efficiency, reduces engineering cost；Meanwhile when determining intensity, the disturbance to the soil body is largely reduced, is improved
The accuracy of intensity data.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Obviously, those skilled in the art can carry out the spirit of various changes and modification without departing from the present invention to invention
And scope.So, if these modifications and variations of the present invention belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including these changes and modification.
Claims (9)
- A kind of 1. device for being used to reconnoitre engineering geology, it is characterised in that including：Threaded drillpipe, the certain screw thread of spacing is distributed with the threaded drillpipe；The motor being connected with the threaded drillpipe；Drill bit, temperature inductor is provided with the drill bit；Light round bur bar, stress induction device, one end and the threaded drillpipe of the smooth round bur bar are provided with the smooth round bur bar Connection, the other end are connected with the drill bit.
- 2. the device as claimed in claim 1 for being used to reconnoitre engineering geology, it is characterised in that the diameter of the smooth round bur bar is small In the diameter of the threaded drillpipe.
- 3. the device as claimed in claim 1 or 2 for being used to reconnoitre engineering geology, it is characterised in that pressed on the threaded drillpipe The screw thread is distributed with default spacing.
- 4. the device as claimed in claim 1 or 2 for being used to reconnoitre engineering geology, it is characterised in that relative on the drill bit to set It is equipped with temperature inductor.
- A kind of 5. method for reconnoitring engineering geology, it is characterised in that including：Crept into by motor driven threaded drillpipe, light round bur bar and drill bit, wherein, spiral shell is distributed with the threaded drillpipe Line, the motor are connected with the threaded drillpipe, and temperature inductor is provided with the drill bit, is provided with the smooth round bur bar Stress induction device, one end of the smooth round bur bar are connected with the threaded drillpipe, and the other end is connected with the drill bit；Act on the moment of torsion on the smooth round bur bar in stress induction device sensing drilling process on the smooth round bur bar and produce Stress；The change of temperature inductor temperature sensor on the drill bit；The moment of torsion that is acted in the drilling process induced according to stress induction device on light round bur bar and caused stress, instead Calculate the undrained shear strength of the soil body：The change of the temperature induced according to the temperature inductor on the drill bit, judge classification and the change of the soil body.
- 6. the method as claimed in claim 5 for being used to reconnoitre engineering geology, it is characterised in that according to the temperature on the drill bit The change for the temperature that inductor induces, judge classification and the change of the soil body, including：The change of the temperature induced according to the temperature inductor on the drill bit, judge the classification of various soil mass and different soil The change of layer.
- 7. the method as claimed in claim 5 for being used to reconnoitre engineering geology, it is characterised in that the diameter of the smooth round bur bar is small In the diameter of the threaded drillpipe.
- 8. the method for reconnoitring engineering geology as described in any one of claim 5~7, it is characterised in that the threaded bore The screw thread is distributed with by default spacing on bar.
- 9. the method for reconnoitring engineering geology as described in any one of claim 5~7, it is characterised in that on the drill bit It is relatively set with two temperature inductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518842.XA CN107386250B (en) | 2017-06-30 | 2017-06-30 | Device and method for surveying engineering geology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710518842.XA CN107386250B (en) | 2017-06-30 | 2017-06-30 | Device and method for surveying engineering geology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386250A true CN107386250A (en) | 2017-11-24 |
| CN107386250B CN107386250B (en) | 2023-04-07 |
Family
ID=60334592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710518842.XA Active CN107386250B (en) | 2017-06-30 | 2017-06-30 | Device and method for surveying engineering geology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107386250B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142114A (en) * | 1986-12-05 | 1988-06-14 | Doboku Kenkyu Center | Measurement of strength of ground |
| CN1955380A (en) * | 2006-06-12 | 2007-05-02 | 铁道第三勘察设计院 | Testing method of rock-soil engineering in-situ rotation touch investigating and its special equipment |
| CN202090332U (en) * | 2011-05-20 | 2011-12-28 | 天津市富楷程地质机械制造有限公司 | Vane-shear apparatus for reconnaissance survey |
| CN202989897U (en) * | 2012-12-07 | 2013-06-12 | 中国水电顾问集团华东勘测设计研究院 | Cross nose for measuring isotropic shearing strength of soil |
| CN103321567A (en) * | 2013-06-26 | 2013-09-25 | 吉林大学 | Drill tool and method for measuring thicknesses of sea ice and river ice while drilling |
| CN104089832A (en) * | 2014-07-24 | 2014-10-08 | 中国计量学院 | Cross plate-based in-situ real-time remote measurement system for shear strength of soil body |
| CN203925296U (en) * | 2014-07-11 | 2014-11-05 | 重庆市勘测院 | A kind of small-bore manpower fluted drill with monitoring torque-on-bit |
| CN106593297A (en) * | 2016-12-15 | 2017-04-26 | 中国矿业大学 | Straight hole drilling method for drilling machine |
-
2017
- 2017-06-30 CN CN201710518842.XA patent/CN107386250B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142114A (en) * | 1986-12-05 | 1988-06-14 | Doboku Kenkyu Center | Measurement of strength of ground |
| CN1955380A (en) * | 2006-06-12 | 2007-05-02 | 铁道第三勘察设计院 | Testing method of rock-soil engineering in-situ rotation touch investigating and its special equipment |
| CN202090332U (en) * | 2011-05-20 | 2011-12-28 | 天津市富楷程地质机械制造有限公司 | Vane-shear apparatus for reconnaissance survey |
| CN202989897U (en) * | 2012-12-07 | 2013-06-12 | 中国水电顾问集团华东勘测设计研究院 | Cross nose for measuring isotropic shearing strength of soil |
| CN103321567A (en) * | 2013-06-26 | 2013-09-25 | 吉林大学 | Drill tool and method for measuring thicknesses of sea ice and river ice while drilling |
| CN203925296U (en) * | 2014-07-11 | 2014-11-05 | 重庆市勘测院 | A kind of small-bore manpower fluted drill with monitoring torque-on-bit |
| CN104089832A (en) * | 2014-07-24 | 2014-10-08 | 中国计量学院 | Cross plate-based in-situ real-time remote measurement system for shear strength of soil body |
| CN106593297A (en) * | 2016-12-15 | 2017-04-26 | 中国矿业大学 | Straight hole drilling method for drilling machine |
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| Publication number | Publication date |
|---|---|
| CN107386250B (en) | 2023-04-07 |
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