CN102071925B - Method for tracking, positioning, quantifying and rectifying coordinate of reversed pendulum hole - Google Patents
Method for tracking, positioning, quantifying and rectifying coordinate of reversed pendulum hole Download PDFInfo
- Publication number
- CN102071925B CN102071925B CN2010105889911A CN201010588991A CN102071925B CN 102071925 B CN102071925 B CN 102071925B CN 2010105889911 A CN2010105889911 A CN 2010105889911A CN 201010588991 A CN201010588991 A CN 201010588991A CN 102071925 B CN102071925 B CN 102071925B
- Authority
- CN
- China
- Prior art keywords
- rectifying
- correction
- deviation rectifier
- vertical hole
- positioning
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention discloses a method for tracking, positioning, quantifying and rectifying the coordinate of a reversed pendulum hole, comprising the following steps: according to the coordinate axis of the simulated rectifying hole section, calculating to process or select a rectifying ring; installing two rectifying rings in a rectifier; feeding the rectifier and a connecting duct; debugging the rectifying ring to the simulated rectifying direction interval; feeding a rectifying drilling jig the inner diameter of which is adaptive to the inner diameter of the rectifying ring; drilling by the rectifying drilling jig; taking out the rectifying drilling jig; measuring the axis direction amount returned by the rectified hole section; taking out the rectifier and the connecting duct; chambering by a piloting drilling jig; calibrating the rectifying effect, and recording; and continuously drilling with a common method. The method has the advantages of wide applicability, no limiting condition, low labor capacity, low cost, high rectifying success rate and good rectifying effect, is simple in operation and easy to master and is controllable and quantifiable.
Description
Technical field
The present invention relates to the correction in the Construction of Upside Down Vertical Hole process of water conservancy and hydropower multi-purpose project, particularly relate to the quantitative method for correcting error of a kind of inverted vertical hole coordinate tracing and positioning.
Background technology
In the water conservancy and hydropower multi-purpose project is built, need to adopt and hole in hydraulic structure different parts design arrangement, the fixing plumb line in bottom is installed in boring, claim inverted plumb line, by the method that the boring inverted plumb line is carried out the change in displacement accurate measurement, as one of conventional means of water conservancy and hydropower hinge hydraulic structure transformation safe monitoring, this must possess very that the boring of high accuracy verticality is called inverted vertical hole.When the boring bore is determined, the inverted vertical hole that the degree of depth is darker, to becoming the hole perpendicularity required precision higher, then pore-creating difficulty is larger.In inverted vertical hole pore-creating drilling process, because the each side factors such as the variation of formation lithology and drilling operation, appointed condition, often be difficult to control and keep not off-design axis of the actual axis of boring, determine to exceed or bias when having exceeded the borehole perpendicularity design accuracy and requiring when the development trend of the actual axis runout of boring, then need effective deviation correcting technology measure is taked in boring.In the dark Construction of Upside Down Vertical Hole of high accuracy, because the limitation of outside objective condition, be difficult to accomplish that one-step pore-creating just satisfies the designing requirement to boring high accuracy verticality, if there is not reliable and effective method for correcting error, be difficult to guarantee carrying out smoothly of inverted vertical hole pore-creating process.When the hole section that in the Construction of Upside Down Vertical Hole deflection has been occured actual axis was rectified a deviation, the method for correcting error that usually adopts had: in-plane displancement, bury guider, shortening underground or lengthen drilling tool, sealing of hole, reaming, reducing correction etc.Though these methods can play a role hole scattering under certain condition, obtain certain rectifying effect, but owing to have limitation or restrictive condition, its effect often embodies randomness with uncertain, and these methods all have the shortcoming of uncontrollability and non-quantitation, so implement the time that both spent, energy and larger cost, the effect that still can't guarantee to obtain high correction success rate or reach each location and quantitatively rectify a deviation.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of above-mentioned background technology, provide a kind of simple to operate, be easy to grasp, applicability is wide, unrestricted condition, can control, can be quantitatively, the amount of labour is lower, cost is lower, the success rate of rectifying a deviation is higher, rectifying effect the is good quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning.
The quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning provided by the invention may further comprise the steps: the reference axis state that (1) intends correction hole section according to boring is determined the correction amount, calculating processing or selection correction ring; (2) 2 described correction rings are installed in Deviation rectifier, are lowered to Deviation rectifier and connecting duct, survey transfers correction ring to plan to entangle between azimuthal bin; (3) be lowered to and the described correction ring internal diameter drilling tool of level that adapts, and creep into the correction drilling tool, propose the drilling tool of rectifying a deviation, measure the axis direction amount that the hole section of rectifying a deviation is returned; (4) propose described Deviation rectifier and connecting duct, with the reaming of correcting drilling tool, rectifying effect and record are surveyed in the school, adopt conventional method to continue to creep into again.
In technique scheme, described Deviation rectifier main body adopts with the DZ40 geology steel tube of the inverted vertical hole design pre-buried caliber peer of monitoring or corresponding stage and makes.
In technique scheme, described Deviation rectifier passes through the self-couplings screw thread and links to each other with connecting duct directly.
In technique scheme, the manufacturing process of described Deviation rectifier is: determine to intend the correction amount according to the deviational survey coordinate data table of the actual axis runout of boring, calculate and process mounting distance and the installation site of corresponding upper guider ring and lower eccentric hoop, upper guider ring and lower eccentric hoop be installed on respectively locate up and down the plate washer place, and fix with positioning bolt, namely make described Deviation rectifier.
Compared with prior art, advantage of the present invention is as follows:
1, solved in Construction of Upside Down Vertical Hole ubiquitous in the conventional method for correcting error can't be quantitatively, uncontrollable defective at random, for high accuracy verticality drilling construction provides a kind of success rate of rectifying a deviation higher again quantitative controlled boring method for correcting error.
2, the present invention adopts inverted vertical hole float type clinometer to measure up and down cyclic co-ordinate of Deviation rectifier, entangle between azimuthal bin by azimuth direction to the plan that is rotationally connected eccentric hoop under the conduit adjustment, the drilling tool that guarantees to rectify a deviation is implemented directed quantitatively correction and is crept into, and reaches controlled formulation to quantitative correction purpose.Deviation rectifier of the present invention is simple in structure, and handling ease is reusable, and fitting operation is convenient, be easy to grasp, and can accomplish design control can locate, can be quantitative, thereby its applicability is wide, unrestricted condition.Correction difficult problem in the Drilling of upside down vertical hole process be can solve with a cover correction utensil, high-quality, the high efficiency of Construction of Upside Down Vertical Hole, the purpose of low cost finally reached.
3, the present invention has optimized the operation of Construction of Upside Down Vertical Hole, conventional inverted vertical hole perforate, the process program of executing the drilling pipe footpath, successively decreasing step by step subsequently greater than the pre-buried caliber number of inverted vertical hole design monitoring grade must be selected in the aperture, after the optimization, the inverted vertical hole perforate of conventional depth, the aperture only need be selected to get final product with the footpath level with the pre-buried caliber of inverted vertical hole design monitoring, and superdeep holes generally selects large one-level aperture both can.
4, because the Deviation rectifier caliber adopts and the pre-buried caliber of inverted vertical hole design monitoring peer is made, also be lowered to the monitoring built-in pipe and predict that effective diameter of pipe provides data for actual.
5, overcome randomness, the limitation of original conventional inverted vertical hole well straightening method, can be easily and accomplish exactly to control, can be quantitative, fully assurance once reaches desirable design rectifying effect, has greatly simplified the difficulty of the conventional correction of boring technique.
Description of drawings
Fig. 1 is deviational survey coordinate system and quadrant schematic diagram;
Fig. 2 is the structural representation of Deviation rectifier in the embodiment of the invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the schematic diagram that utilizes the present invention that inverted vertical hole is rectified a deviation.
Among the figure: the upper connecting duct of 1-(being the self-couplings screw thread), the upper guider ring of 2-, the 3-positioning bolt, the upper location-plate of 4-, 5-Deviation rectifier main body (outer tube), location-plate under the 6-, eccentric hoop under the 7-, the 8-eccentric throw, 9-encircles up and down installing space, the 10-drilling tool of rectifying a deviation.
The specific embodiment
Below in conjunction with drawings and Examples, minute 4 parts, the present invention is described in further detail.
1, deviational survey is need to determine whether correction
In the construction of inverted vertical hole, boring is along with creeping into deepening, general per 1～2 meter is carried out deviational survey one time with inverted vertical hole float type clinometer, adopt middle device draws the method from inverted plumb line to the aperture of putting in the lower hand-hole, referring to shown in Figure 1, take the drilling orifice axle center as measuring basic point and X, the Y zero point of reference frame, each deviational survey can draw the offset distance at the actual axis in respective aperture depths and coordinate zero point, with X and the Y coordinate figure record that is divided into 4 quadrants, then can draw this section boring actual axle line tracking coordinate according to the continuous deviational survey record of segmentation, the development trend that shows the actual axis runout of boring when the coordinate record table is larger, or bias is may exceed the borehole perpendicularity design accuracy and require the time, then need to position correction, reach the purpose of the actual axis of lower boreholes being entangled back gradually design axis accuracy rating.
2, the Deviation rectifier of using in the embodiment of the invention
Referring to shown in Figure 2; the Deviation rectifier of using in the embodiment of the invention comprises Deviation rectifier main body (outer tube) 5, upper connecting duct (being the self-couplings screw thread) 1, upper guider ring 2, positioning bolt 3, upper location-plate 4, lower location-plate 6 and lower eccentric hoop 7; wherein; the boring protection tube was made with the DZ40 geology seamless steel pipe in footpath after Deviation rectifier main body 5 adopted external diameter and designs pore-forming; the general ￠ 168mm that selects; wall thickness ￠ 8～10mm, length 2.5～3m.Deviation rectifier top is adopted self-couplings screw thread 1 and is linked to each other with connecting duct directly.Deviational survey coordinate data table according to the actual axis runout of boring designs this plan correction amount, the correction amount is eccentric throw 8, referring to shown in Figure 3, calculate and process corresponding upper guider ring 2 and lower eccentric hoop 7 according to intending the correction amount, select and calculate the up and down mounting distance of two rings, referring to shown in Figure 4, by encircling up and down installing space 9 two upper and lower location plate washers are installed respectively at the Deviation rectifier two ends: upper location-plate 4 and lower location-plate 6, for the location of upper guider ring 2 with lower eccentric hoop 7.Upper guider ring 2 and lower eccentric hoop 7 are installed on respectively upper location-plate 4 and lower location-plate 6 places, and fixing with positioning bolt 3, namely make the Deviation rectifier of using in the embodiment of the invention.
This Deviation rectifier is simple in structure, and reusable, each correction only needs according to intending the processing of correction amount and installing guider ring 2 and lower eccentric hoop 7, can solve a correction difficult problem in the Drilling of upside down vertical hole process with a cover correction utensil, but and can design alternative the location, can be accurately directed and quantitative, inferiorly reach desirable rectifying effect.
3, the concrete steps of the embodiment of the invention are as follows:
(with the three gorges hydropower plant left bank factory building 14 monolith IP01ZC14 Construction of Upside Down Vertical Hole time wherein once rectify a deviation operating process describe for example)
3.1 according to the hole section deviational survey data record of giving an example, the development trend that this hole section reference axis departs from is very fast, must adopt Deviation rectifier to implement correction in this hole section.When determining when this hole section is taked satisfactory after correcting, at first need designing determines to intend the correction amount, calculate the spacing of installing guider ring 2 and lower eccentric hoop 7, and the eccentric throw 8 of definite eccentric hoop.
3.2 with the X of above 3 meters left and right sides each points at the bottom of the inverted vertical hole float type clinometer encryption actual measurement drilling hole, the Y coordinate figure, each measuring point spacing is advisable with 0.3 meter, calculates the eccentric throw Q that intends correction amount and selection eccentric hoop.
The three gorges hydropower plant left bank factory building 14 monolith IP01ZC14 inverted vertical hole deviational survey record sheets
The increase tendency of each point deflection in the table in the analysis, select to determine that the 2nd to the 10 two measuring point distance is as the installing space of upper guider ring 2 and lower eccentric hoop 7 (general 2.2～2.6 meters of the distance between selected two points is advisable, and its 2 corresponding hole depth places are then for being lowered to behind the Deviation rectifier up and down position in two holes of encircling).With the 2nd and the 10 two measuring point project to same rectangular coordinate system, get the average of these 2 corresponding X, Y coordinate figure, the offset distance S that calculates point-to-point transmission is:
Design determines that the eccentric throw Q of ring is up and down:
(K is correction factor to Q=S+K=9.8+1.2=11mm, and general K gets 1～2mm).
3.3 select to determine the installing space of upper guider ring 2 and lower eccentric hoop 7 be: the hole depth distance between the 2nd to the 10 two point: 59.7-57.3=2.4m
3.4 by the up and down ring installing space 2.4m that select to determine in Deviation rectifier, installs and fixing on guider ring 2 and lower eccentric hoop 7, and two ring eccentric throws should keep designing definite up and down ring eccentric throw after fixing: upper guider ring Q=0; Lower eccentric hoop Q=11mm.
3.5 finish the assembling of Deviation rectifier, and note checking: up and down two ring spacing 2.4m, eccentric throw 11mm.
3.6 before Deviation rectifier is lowered in the boring, need boring is processed.At first drilling hole bed rock powder and residual rock core are fished for totally as far as possible, as also having a little residual rock core, available hone grinds off, and then abundant wash boring gets final product until clear water is returned in the aperture.Test stone: (thickness of hole bed rock powder+residual rock core)≤0.2m.Purpose: guaranteeing that Deviation rectifier can descend to have reached at the bottom of the hand-hole smoothly pulls out; For the correction drilling tool 10 in Deviation rectifier, be positioned at the hole at the bottom of steady perforate create conditions.
3.7 first with in the hand-hole under the Deviation rectifier, connect sleeve pipe (conduit) with the Deviation rectifier same size by root subsequently, until at the bottom of Deviation rectifier sent to the hole.
3.8 be lowered to inverted vertical hole float type clinometer guider ring 2 and lower eccentric hoop 7 places to the Deviation rectifier from the aperture, measure respectively the coordinate of upper guider ring 2 and lower eccentric hoop 7, conscientiously adjust the orientation of lower eccentric hoop 7 by the method for rotating the aperture connecting duct, until with intend directed termination when quantitatively accurately consistent of correction; Then fix connecting duct in the aperture.
3.9 be lowered to well straightening device internal diameter and adapt the correction drilling tool 10 of bore to Deviation rectifier, its upper surface should exceed upper guider ring and is not less than 1.6m after correction drilling tool 10 was lowered to, the bottom drill bit contact of correction drilling tool 10 reaches at the bottom of the hole.
3.10 start rig rotary drilling, drilling depth is controlled at and can finishes this about 1.5m and creep into.Drilling parameter is selected: rotating speed 80～100r/min, pressure 5～10kn, the water yield 50～80L/min.
3.11 propose whole rock cores that correction drilling tool 10 and this time are crept into.
3.12 measure the coordinate figure that this creeps into hole section each point with inverted vertical hole float type clinometer, calculate actual correction amount, judge rectifying effect.
3.13 propose interior Deviation rectifier and the connecting duct of lower hand-hole by root.
3.14 be lowered to subsequently the borehole-enlarging drilling tool with leading guider, carry out reaming at the bottom of the hole of the hole section of rectifying a deviation along the hole section that gets out of correction.
3.15 the proposition borehole-enlarging drilling tool, the actual correction amount after surveying rectifying effect and calculate reaming with inverted vertical hole float type clinometer school.This correction is finished, and changes back with the conventional drilling method of inverted vertical hole to continue to creep into.
4, implementation applicable cases.
The Three Gorges Pivot Project dam safety monitoring need to be laid the dark inverted vertical hole of a plurality of high accuracy in 1999, at that time the domestic successfully record of the dark inverted vertical hole of high accuracy that there is no.From actual needs, the quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning has been invented through repeatedly studying and testing by project tackling key problem group, and full-fledged improving progressively in practice.Successively successfully finished the dark Construction of Upside Down Vertical Hole of high accuracy of 5 80～100m of Three Gorges Dam in 1999～2000 years; Calendar year 2001 has been finished again the super dark Construction of Upside Down Vertical Hole of high accuracy of 2 super 100m in succession, and hole depth is respectively 108.14m and 110.34m.These 2 dark inverted vertical holes of high accuracy are all created the darkest record of domestic inverted vertical hole hole depth in succession.In recent years, successively in Three Gorges, Lin river mouth, Shaanxi, Ge Zhou Ba, high dam state, Shui Buya, every the more or less a hundred Construction of Upside Down Vertical Hole practice of the super-huge water conservancy and hydropower hinge of the Chinese large-sized safety monitorings such as He Yan, Xiang Jiaba, soap city, wherein many borings are according to boring process actual needs, a great deal of ground has adopted the quantitative method for correcting error of coordinate tracing and positioning to implement the operation of rectifying a deviation repeatedly, all obtain satisfied effect, fully shown importance, practicality and advance that the present invention possesses.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
The content that is not described in detail in this manual belongs to the known prior art of this area professional and technical personnel.
Claims (5)
1. quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning may further comprise the steps:
(1) determines the correction amount according to the reference axis state of boring plan correction hole section, calculating processing or selection correction ring;
(2) 2 described correction rings are installed in Deviation rectifier, are lowered to Deviation rectifier and connecting duct, survey transfers correction ring to plan to entangle between azimuthal bin;
(3) be lowered to and the described correction ring internal diameter correction drilling tool of level that adapts, and creep into the correction drilling tool, propose the drilling tool of rectifying a deviation, measure the axis direction amount that the hole section of rectifying a deviation is returned;
(4) propose described Deviation rectifier and connecting duct, with the reaming of correcting drilling tool, rectifying effect and record are surveyed in the school, adopt conventional method to continue to creep into again.
2. the quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning as claimed in claim 1 is characterized in that: the DZ40 geology steel tube making of described Deviation rectifier main body employing and the inverted vertical hole design pre-buried caliber peer of monitoring or corresponding stage.
3. the quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning as claimed in claim 1 or 2 is characterized in that: described Deviation rectifier links to each other by the self-couplings screw thread and with the connecting duct in footpath.
4. the quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning as claimed in claim 1 or 2, it is characterized in that: the manufacturing process of described Deviation rectifier is: determine to intend the correction amount according to the deviational survey coordinate data table of the actual axis runout of boring, calculate and process mounting distance and the installation site of corresponding upper guider ring and lower eccentric hoop, upper guider ring and lower eccentric hoop are installed in respectively the up and down location-plate place that is positioned on the Deviation rectifier main body, and fix with positioning bolt, namely make described Deviation rectifier.
5. the quantitative method for correcting error of inverted vertical hole coordinate tracing and positioning as claimed in claim 3, it is characterized in that: the manufacturing process of described Deviation rectifier is: determine to intend the correction amount according to the deviational survey coordinate data table of the actual axis runout of boring, calculate and process mounting distance and the installation site of corresponding upper guider ring and lower eccentric hoop, upper guider ring and lower eccentric hoop are installed in respectively the up and down location-plate place that is positioned on the Deviation rectifier main body, and fix with positioning bolt, namely make described Deviation rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105889911A CN102071925B (en) | 2010-12-15 | 2010-12-15 | Method for tracking, positioning, quantifying and rectifying coordinate of reversed pendulum hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105889911A CN102071925B (en) | 2010-12-15 | 2010-12-15 | Method for tracking, positioning, quantifying and rectifying coordinate of reversed pendulum hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102071925A CN102071925A (en) | 2011-05-25 |
| CN102071925B true CN102071925B (en) | 2013-01-09 |
Family
ID=44030661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105889911A Active CN102071925B (en) | 2010-12-15 | 2010-12-15 | Method for tracking, positioning, quantifying and rectifying coordinate of reversed pendulum hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102071925B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699982B (en) * | 2012-05-17 | 2015-01-14 | 中冶天工集团有限公司 | Method for manufacturing eccentric ring by profiling method |
| CN103615975B (en) * | 2013-11-22 | 2016-02-03 | 中冶天工集团有限公司 | Method for manufacturing eccentric lantern ring |
| CN109926871A (en) * | 2019-03-21 | 2019-06-25 | 苏州山德精密工具有限公司 | The correcting method of included spiral inner cold water hole pole |
| CN118008139B (en) * | 2024-01-29 | 2024-07-30 | 中国冶金地质总局山东正元地质勘查院 | Oil gas investigation method based on small-caliber drilling technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1657634A1 (en) * | 1989-05-12 | 1991-06-23 | П.М.Григорьев, М.Н Григорьев и Т.М.Григорьева | Self-orientating well deflector |
| US5155916A (en) * | 1991-03-21 | 1992-10-20 | Scientific Drilling International | Error reduction in compensation of drill string interference for magnetic survey tools |
| CN2401695Y (en) * | 1999-12-10 | 2000-10-18 | 丁仕煌 | Inclination measuring device for inverted vertical hole |
| CN2821130Y (en) * | 2005-09-06 | 2006-09-27 | 福建华东岩土工程有限公司 | Ant-oblique device for reverse vertical hole construction |
| CN201187290Y (en) * | 2007-08-01 | 2009-01-28 | 宝鸡石油机械有限责任公司 | Hydraulic synchronous compensating system in oil rig operation |
-
2010
- 2010-12-15 CN CN2010105889911A patent/CN102071925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1657634A1 (en) * | 1989-05-12 | 1991-06-23 | П.М.Григорьев, М.Н Григорьев и Т.М.Григорьева | Self-orientating well deflector |
| US5155916A (en) * | 1991-03-21 | 1992-10-20 | Scientific Drilling International | Error reduction in compensation of drill string interference for magnetic survey tools |
| CN2401695Y (en) * | 1999-12-10 | 2000-10-18 | 丁仕煌 | Inclination measuring device for inverted vertical hole |
| CN2821130Y (en) * | 2005-09-06 | 2006-09-27 | 福建华东岩土工程有限公司 | Ant-oblique device for reverse vertical hole construction |
| CN201187290Y (en) * | 2007-08-01 | 2009-01-28 | 宝鸡石油机械有限责任公司 | Hydraulic synchronous compensating system in oil rig operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102071925A (en) | 2011-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110905403B (en) | Construction method of large-diameter groundwater environment monitoring well | |
| CN201229194Y (en) | Automatic monitoring system for seepage line of tailing dam | |
| CN108930539A (en) | A method of it is controlled based on BIM Tunnel Overbreak & Underbreak | |
| CN109098661B (en) | Bidirectional paired river-crossing large-vertex-angle inclined hole drilling method for river valley of hydropower station | |
| CN102892970A (en) | Methods and systems for drilling | |
| CN206752536U (en) | A kind of cast-in-situ bored pile bottom hole sediment measurement apparatus | |
| CN101598023B (en) | Control method for shield tunnel axis having underground structure on adjacent side | |
| CN102071925B (en) | Method for tracking, positioning, quantifying and rectifying coordinate of reversed pendulum hole | |
| CN106050143A (en) | Downhole directional hole bedding guided drilling system and method based on formation lithology identification | |
| CN107130592B (en) | construction method for long spiral drill and impact drill double-machine composite hole-forming cast-in-place pile | |
| CN110130347A (en) | Intelligent positioning guiding device, method, project management method for pile foundation construction | |
| CN103603330B (en) | Method for using total station instrument to measure horizontal displacement of deep soil | |
| CN104153391A (en) | Open caisson geometrical shape monitoring method based on differential GPS | |
| CN109577319A (en) | A kind of dry type spiral-digging pore bored pile construction method | |
| CN105700039A (en) | Method for detecting underground pipe in urban road exploration construction | |
| CN106285776A (en) | A kind of unrestrained method of roof water based on Technology of Directional Drilling | |
| CN208024341U (en) | A kind of rotary digging stake locator | |
| CN101929334A (en) | Device and method for monitoring penetration of marine petroleum pipe and pile hammering-in method | |
| CN118223892A (en) | Method for controlling sedimentation of high-pressure gas pipeline in power tunnel construction | |
| CN105200994A (en) | Construction method for reserved shield crossing composite foundation pit support device | |
| CN114136558A (en) | Sonar seepage detection method for underground diaphragm wall of deep foundation pit near subway | |
| CN111664760B (en) | Precise blasting method for micro-step full-section construction | |
| CN117703343A (en) | Control method and system of rotary drilling rig based on stratum information inversion | |
| CN209384285U (en) | One kind closing on the existing bridge bearing platform protection construction of open-cut foundation ditch | |
| CN110295848B (en) | Blast hole bottom leveling drilling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430010 No. 1863 Jiefang Avenue, Hubei, Wuhan Patentee after: Changjiang Design Group Co.,Ltd. Patentee after: THREE GORGES GEOTECHNICAL CONSULTANTS Co.,Ltd. Address before: 430010 No. 1863 Jiefang Avenue, Hubei, Wuhan Patentee before: CHANGJIANG WATER RESOURCES COMMISSION CHANGJIANG INST OF SURVEY PLANNING DESIGN AND RES Patentee before: THREE GORGES GEOTECHNICAL CONSULTANTS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |