CN106979747B - Slurry shield earthwork measuring management method - Google Patents
Slurry shield earthwork measuring management method Download PDFInfo
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- CN106979747B CN106979747B CN201710100205.0A CN201710100205A CN106979747B CN 106979747 B CN106979747 B CN 106979747B CN 201710100205 A CN201710100205 A CN 201710100205A CN 106979747 B CN106979747 B CN 106979747B
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- mud
- dregs
- earthwork
- management method
- shield
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N9/04—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of slurry shield earthwork measuring management methods, this method analyzes dregs volume by 3D laser scanner, the mud volume and specific gravity variation of separation equipment discharge are measured by mud measuring system, by mathematical conversion, soil discharge quantity is obtained in the case where avoiding using nuclear radiation densimeter, solve the quagmire big using difficulty by national regulatory because of special installation, the useful supplement of the measuring management method as shield-tunneling construction monitoring system simultaneously, the automatic monitoring and measurement result real-time display of height, the unearthed situation of shield-tunneling construction is efficiently managed convenient for operator.The present invention is used for constructing metro tunnel field.
Description
Technical field
The present invention relates to constructing metro tunnel fields, more particularly to a kind of measuring management side of slurry shield soil discharge quantity
Method.
Background technique
Shield method is the mainstream construction method of current city constructing metro tunnel, and the Suporting structure generallyd use is divided into soil pressure
Balanced shield machine and two kinds of slurry-water balance type shield machine.In shield-tunneling construction, soil discharge quantity is to judge whether to backbreak, and monitoring is opened
Whether digging face is one of the important means of stable.
In earth pressure balanced shield, EPBS, the dregs that shield tunneling goes out is put into slag-soil truck by screw machine, through belt conveyor, by
Measurement is easy in the volume of slag-soil truck and volume is fixed, so soil discharge quantity data can pass through system in balancing earth-pressure shielding machine construction
Counting out navy barrow number can obtain.And slurry-water balance type shield, it is supported and is excavated using mud, the dregs excavated out is mixed with mud
The mud and water separating equipment on ground is delivered directly to by pipeline afterwards, point of dregs and mud is realized after mud and water separating equipment is handled
From.The dregs that wherein slurry shield excavates out consists of two parts, and a part is the dregs isolated through mud and water separating equipment, separately
A part is the particle for continuing to stay in mud.
The soil discharge quantity of usual slurry shield be will according on soil test result, sludge pipe flow instrument and the side such as densitometer
Interior flow and density are managed in case measurement, and then find out soil discharge quantity, but since the densitometer being installed on the pipeline generallys use nuclear radiation
Densitometer, using needing to handle complicated formality, while country is stringent to the keeping of radiation, the regulatory requirements used, so
The device is not configured in most slurry shield equipment.So being badly in need of the new method of one kind to slurry shield construction to realize to row
The measuring management of soil amount.
Summary of the invention
The purpose of the present invention is to provide a kind of easy, efficient slurry shield earthwork measuring management methods.
The technical solution used in the present invention is:
Slurry shield earthwork measuring management method, comprising the following steps:
1) by pipeline to surface separation after, the earthwork that Suporting structure is dug out in slurry shield construction is mixed with mud
Equipment,
The earthwork is separated into dregs and mud by separation equipment, and dregs is stored in ground place, mud emission to mud pit；
2) the mud volume and specific gravity that, the measurement of mud measuring system is discharged from separation equipment；
3), the volume of 3D laser scanner measurement dregs；
4), mud measuring system and 3D laser scanner are in real time by data transfer to computer；
5), the volume of computer analysis dregs show that weight, the original density of analysis mud volume, specific gravity and mud obtain
It is mixed into
The weight of dregs in mud, dregs are added with the dregs in mud and obtain practical soil discharge quantity.
As an improvement of the above scheme, it is excavated simultaneously in step 1) using several Suporting structures, dregs is separately stored, respectively
Enclosing is set between heap dregs and sets the scanning range of 3D laser scanner in a computer.
As an improvement of the above scheme, mud measuring system is used using the volume of liquidometer measurement mud in step 2)
The specific gravity of electronic hydrometer measurement mud.
As an improvement of the above scheme, the distance between 3D laser scanning surface instrument and dregs are 30~50 meters in step 3), are swashed
Photoscanner height is 6~10 meters.
As an improvement of the above scheme, the obstruction sight-line object between 3D laser scanner and dregs is removed.
As an improvement of the above scheme, when Suporting structure excavates in step 1) to the earthwork on locating stratum by Geotechnical properties into
Row number.
As an improvement of the above scheme, computer collects earthwork number, acquisition time, ultimately produces and believes including Different Strata
The report of breath and soil discharge quantity.
As an improvement of the above scheme, dregs stockyard uses reinforced concrete structure hardened ground field before tunnel excavation
Ground.
Beneficial effects of the present invention: this slurry shield earthwork measuring management method analyzes dregs body by 3D laser scanner
Product measures the mud volume of separation equipment discharge by mud measuring system and specific gravity changes, by mathematical conversion, avoiding making
With soil discharge quantity is obtained in the case where nuclear radiation densimeter, solves and used big tired of difficulty by national regulatory because of special installation
Office, while the useful supplement of the measuring management method as shield-tunneling construction monitoring system, the automatic monitoring and measurement knot of height
Fruit real-time display efficiently manages the unearthed situation of shield-tunneling construction convenient for operator.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the ground place distribution schematic diagram of the present embodiment.
Specific embodiment
Referring to figure, the present invention is slurry shield earthwork measuring management method, comprising the following steps:
1) by pipeline to surface separation after, the earthwork that Suporting structure is dug out in slurry shield construction is mixed with mud
Equipment,
The earthwork is separated into dregs 2 and mud by separation equipment, and dregs 2 is stored in ground place, mud emission to mud pit；
2) the mud volume and specific gravity that, the measurement of mud measuring system is discharged from separation equipment；
3), 3D laser scanner 3 measures the volume of dregs 2；
4), mud measuring system and 3D laser scanner 3 are in real time by data transfer to computer；
5), the volume of computer analysis dregs 2 show that weight, the original density of analysis mud volume, specific gravity and mud obtain
It mixes out
Enter the weight of dregs in mud, dregs 2 is added with the dregs in mud and obtains practical soil discharge quantity.
Separation equipment operating condition is constant, and 2 density constant of dregs isolated is constant, when debugging separation equipment, dregs 2 it is close
Degree can take sample measurement, and use for long-term measurement；Original mud density can consult relevant " construction hand in shield-tunneling construction
Volume ".
By this cubic metre of earth of measurement method, obtain soil discharge quantity in the case where avoiding using nuclear radiation densimeter, solve because
The special installation quagmire big using difficulty by national regulatory, while this cubic metre of earth of management system can be used as shield-tunneling construction monitoring system
Useful supplement, the automatic monitoring and measurement result real-time display of height efficiently manage shield-tunneling construction convenient for operator and are unearthed
Situation.
In the present embodiment, Suporting structure has two, is each responsible for uplink and downlink two lines.Then the earthwork difference dug out
Two separation equipment processing are needed, the dregs 2 that separation equipment is isolated is divided to two heaps to store, and the slag notch of separation equipment is arranged on ground
Face place edge, it is desirable that its dregs 2 being discharged is capable of the enclosure wall in closely ground place, forms slope storage, sweeps convenient for 3D laser
3 accurate scanning dregs of instrument, 2 volume is retouched, 2 median rise of dregs is avoided, forms dead angle in the side away from 3D laser scanner 3.
Scan position is set on 3D laser scanner 3, just can reflect 2 volume change of dregs of different heaps.As preferred
Embodiment improve the accuracy of measurement to prevent the dregs 2 between different heaps from mixing, set between the dregs 2 of different heaps
Set 2 meters high of enclosing 4.Reinforced concrete structure or structure steel fabrication can be used in enclosing 2.
The size in ground place can be adjusted according to specific requirements.In this implementation, ground place be about 45 meters, it is about 35 meters wide,
3D laser scanner 3 is mounted on the about 30 meters of 7 meters of remote high mounting racks of dregs 2, and 3D laser scanner 3 is placed in two slags
On line of demarcation among soil 2, guarantee 3D scanner sighting distance to two heap dregs 2 apart from approximately equal；Remove 3D laser scanner 3 with
Obstruction sight-line object between dregs 2 guarantees that 3D laser scanner 3 can look down entire ground place.
As preferred embodiment, mud measuring system includes the slurry body using liquidometer measurement discharge in step 2)
Product, the specific gravity that mud is measured using electronic hydrometer.
As preferred embodiment, when Suporting structure excavates in step 1) to the earthwork on locating stratum by Geotechnical properties into
Row number, computer ultimately produce the report including Different Strata information and corresponding stratum soil discharge quantity etc. information.Above-mentioned report
Table is analyzed for shield scientific research and is used.
Can find whether tunnel excavation occurs backbreaking, judges to open in time by real-time monitoring result and notional result comparison
Whether digging face is stable, provides decision-making foundation for adjustment boring parameter.It backbreaks especially by the abnormal discovery in time of soil discharge quantity, in time
It adopts remedial measures, to reduce and avoid ground that biggish sedimentation occurs.
As preferred embodiment, dregs stockyard uses reinforced concrete structure hardened ground field before tunnel excavation
Ground had both prevented ground place sedimentation and deformation, and had influenced the measurement result of 3D laser scanner；It is walked again convenient for vehicle and carries dregs 2.
Certainly, the design creation is not limited to above embodiment, and the combination of the various embodiments described above different characteristic can also
To reach good effect.Those skilled in the art can also make equivalent change on the premise of without prejudice to spirit of the invention
Shape or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. slurry shield earthwork measuring management method, it is characterised in that the following steps are included:
1), the earthwork that Suporting structure is dug out in slurry shield construction is set after mixing with mud by pipeline to surface separation
Standby, the earthwork is separated into dregs (2) and mud by the separation equipment, and the dregs (2) is stored in ground place, the mud row
It puts to mud pit (1)；
2) the mud volume and specific gravity that, the measurement of mud measuring system is discharged from separation equipment；
3), 3D laser scanner (3) measures the volume of the dregs (2)；
4), the mud measuring system and 3D laser scanner (3) are in real time by data transfer to computer；
5), the volume of computer analysis dregs (2) obtains weight, analyzes mud volume, the original density of specific gravity and mud
Obtain the weight for being mixed into dregs in mud, the dregs (2) is added with the dregs in mud obtains practical soil discharge quantity.
2. slurry shield earthwork measuring management method according to claim 1, it is characterised in that: using several in step 1)
A Suporting structure excavates simultaneously, and the dregs (2) is separately stored, and enclosing (4) are arranged between dregs (2) described in each heap and are calculating
The scanning range of 3D laser scanner (3) is set in machine.
3. slurry shield earthwork measuring management method according to claim 1 or 2, it is characterised in that: described in step 2)
Mud measuring system measures the specific gravity of mud using electronic hydrometer using the volume of liquidometer measurement mud.
4. slurry shield earthwork measuring management method according to claim 1, it is characterised in that: 3D described in step 3) swashs
The distance between light surface sweeping instrument and dregs (2) are 30~50 meters, and the laser scanner height is 6~10 meters.
5. slurry shield earthwork measuring management method according to claim 4, it is characterised in that: remove the 3D laser and sweep
Retouch the obstruction sight-line object between instrument (3) and dregs (2).
6. slurry shield earthwork measuring management method according to claim 1, it is characterised in that: shield described in step 1)
The earthwork on locating stratum is numbered by Geotechnical properties when excavating for equipment.
7. slurry shield earthwork measuring management method according to claim 6, it is characterised in that: the computer collects soil
Side's number, acquisition time, ultimately produce the report including Different Strata information and soil discharge quantity.
8. slurry shield earthwork measuring management method according to claim 1, it is characterised in that: the dregs before tunnel excavation
Stockyard the ground place is hardened using reinforced concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100205.0A CN106979747B (en) | 2017-02-23 | 2017-02-23 | Slurry shield earthwork measuring management method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100205.0A CN106979747B (en) | 2017-02-23 | 2017-02-23 | Slurry shield earthwork measuring management method |
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| CN106979747A CN106979747A (en) | 2017-07-25 |
| CN106979747B true CN106979747B (en) | 2019-04-02 |
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| CN201710100205.0A Active CN106979747B (en) | 2017-02-23 | 2017-02-23 | Slurry shield earthwork measuring management method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184709B (en) * | 2018-10-29 | 2020-10-09 | 中铁电气化局集团有限公司 | Shield equipment construction slag discharge monitoring and management system and method |
| CN110443980B (en) * | 2019-07-22 | 2020-12-01 | 广州海洋地质调查局 | Geological disaster monitoring device based on Internet of things |
| CN112211672B (en) * | 2020-09-24 | 2023-02-17 | 广东欣龙隧道装备股份有限公司 | Method, system and medium for measuring amount of discharged soil of shield machine |
| CN113653496B (en) * | 2021-08-18 | 2022-06-07 | 同济大学 | Method for stabilizing whole process of slurry shield tunneling |
| CN114252140A (en) * | 2021-12-24 | 2022-03-29 | 西安建筑科技大学 | Slurry shield muck metering system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108349A (en) * | 1994-03-07 | 1995-09-13 | 藤田株式会社 | Suporting structure |
| JP2002004765A (en) * | 2000-06-23 | 2002-01-09 | Tokyo Electric Power Co Inc:The | Shield pipe jacking system and shield pipe jacking method |
-
2017
- 2017-02-23 CN CN201710100205.0A patent/CN106979747B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1108349A (en) * | 1994-03-07 | 1995-09-13 | 藤田株式会社 | Suporting structure |
| JP2002004765A (en) * | 2000-06-23 | 2002-01-09 | Tokyo Electric Power Co Inc:The | Shield pipe jacking system and shield pipe jacking method |
Non-Patent Citations (2)
| Title |
|---|
| 三维激光扫描在土方计算中的应用;胡奎;《矿山测量》;20130228(第1期);70-72 |
| 盾构掘进排土量管理技术;陈建;《隧道建设》;20050630;第25卷(第6期);69-71 |
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| CN106979747A (en) | 2017-07-25 |
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