CN109611156A - A kind of monitoring method of overlapping tunnel information-aided construction - Google Patents
A kind of monitoring method of overlapping tunnel information-aided construction Download PDFInfo
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- CN109611156A CN109611156A CN201811626612.6A CN201811626612A CN109611156A CN 109611156 A CN109611156 A CN 109611156A CN 201811626612 A CN201811626612 A CN 201811626612A CN 109611156 A CN109611156 A CN 109611156A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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Abstract
The invention belongs to construction technique for overlapped tunnel fields, more particularly to a kind of monitoring method of overlapping tunnel information-aided construction, include the following steps: that (1) monitoring point is arranged: the monitoring point arrangement includes surface subsidence monitoring point arrangement, underground pipeline settlement monitoring point arrangement, building settlement inclination monitoring point arrangement, stresses in segments monitoring point arrangement, Monitoring on Earth Pressure point arrangement, section of jurisdiction circumferential weld strain monitoring point arrangement and axial force of the supports monitoring point arrangement；(2) monitoring point is embedded: burying one by one to the monitoring point of arrangement；(3) implement monitoring；(4) Data Analysis Services: time-displacement curve scatter plot is drawn according to monitoring data and apart from displacement curve scatter plot, the validity of adjoining rock stability state and working measure is judged according to settlement law.The present invention can can avoid hidden danger of constructing caused by deviation accumulation with complete monitoring, after deviating on the basis of not needing to put into a large amount of fund, in work progress with timely correction.
Description
Technical field
The invention belongs to construction technique for overlapped tunnel field more particularly to a kind of monitoring sides of overlapping tunnel information-aided construction
Method.
Background technique
Urban subway tunnel construction mostly in bustling location, due to by it is built build/structures or geological conditions limited
And underground space comprehensive exploitation, the needs that utilize, between subway tunnel or subway tunnel between other structures object at a distance from become former
It is next smaller, surrounding enviroment can be had a huge impact, from the data collected it can be found that influence of the tunnel to surrounding enviroment
Research is concentrated mainly on the direction to underground utilities, pile foundation, existing tunnel structure and surface structures, and most of is to be directed to
Single hole and horizontal parallel tunnel, for overlapping intersect fried dough twist type tunnel group construction infection effect research data it is also fewer and
Disturbance stratum and surrounding building generated during constructing tunnel, caused by ground settlement, neighboring buildings composition deformation etc. one
The problem that series influences safety generates.
The monitoring method of overlapping tunnel information-aided construction is suitable for the urban subway tunnel of shield-tunneling construction, in city underground tunnel
In road work progress, due to the complexity of geological conditions, the complexity of tunnel structure, the complexity of engineering boundary condition, to solve
It is highly difficult that certainly the surrounding enviroment caused by these complex condition constructing tunnels, which influence problem, and to complicated environmental condition
The construction infection research of lower overlapping tunnel group is even more extremely difficult, and exist between tunnel and tiltedly wear, be overlapped, in parallel, intersect, be stubborn
The highly difficult situation that fried dough twist etc. is not commonly encountered in subway construction, and these types of situation is in the comprehensive appearance of same section, this sky
Between overpass structure pattern subway tunnel difficulty of design and construction more very.Because passing through subway area in construction short distance juxtaposition
Between during tunnel, the relative position of newly built tunnels and established tunnel is among ceaselessly opposite variation, so no matter adopting
Which kind of construction method and auxiliary method are taken, will all be faced with how to solve between tunnel that stratum disturbs production again in the construction process
Stress, the deformation etc. of raw soil body effect and established tunnel structure influence the problem of general safety between tunnel structure.
Therefore, it is badly in need of a kind of monitoring method, can be realized the complete monitoring of constructing tunnel, after deviating, Neng Gouji
When correct, cause security risk to avoid deviation accumulation.
Summary of the invention
To solve the above-mentioned problems, it the invention discloses a kind of monitoring method of overlapping tunnel information-aided construction, is being not required to
Put on the basis of a large amount of fund, in work progress, can with complete monitoring, after deviating can with timely correction,
Avoid hidden danger of constructing caused by deviation accumulation.The specific technical solution of the present invention is as follows:
A kind of monitoring method of overlapping tunnel information-aided construction, includes the following steps:
(1) monitoring point is arranged: the monitoring point arrangement includes surface subsidence monitoring point arrangement, underground pipeline settlement monitoring point
Arrangement, building settlement inclination monitoring point arrangement, stresses in segments monitoring point arrangement, Monitoring on Earth Pressure point arrangement, section of jurisdiction circumferential weld are answered
Become monitoring point arrangement and axial force of the supports monitoring point arrangement；
(2) monitoring point is embedded: burying one by one to the monitoring point of arrangement；
(3) implement monitoring；
(4) Data Analysis Services: time-displacement curve scatter plot is drawn according to monitoring data and apart from displacement curve scatterplot
Figure, the validity of adjoining rock stability state and working measure is judged according to settlement law.
Tunnel Excavation Monitoring is carried out using this method, can be influenced each other to avoid the construction of overlapping tunnel group, is reduced over the ground
Layer and surrounding building generate disturbance；This method is also avoided that surface subsidence, neighboring buildings composition deformation etc. one is safety problem
It generates；As a result, by this method, complete monitoring is accomplished to work progress, timely correction after deviation occurs avoids deviation accumulation
Cause construction hidden danger.
Preferably, in the step (2), surface subsidence monitoring point is encrypted in the measuring point of tunnel midline；Earth's surface has control
Property builds/structures when, two sides range is widened.
Preferably, in the step (2), in the arrangement of underground pipeline settlement monitoring point, important pipeline inspection shaft is appeared cloth
If settlement monitoring point；When pipeline is close with tunnel parallel distance, underground pipeline settlement monitoring point and surface subsidence monitoring point are shared.
Preferably, in the step (2), building settlement inclination monitoring point is arranged in the quadrangle of building, Core Walls Structure four
At angle, big corner.
Preferably, in the step (2), building settlement inclination monitoring is total station using instrument.
Preferably, in the step (2), section of jurisdiction circumferential weld strain monitoring and the sensor that uses of axial force of the supports monitoring are light
Fiber grating sensor.
Preferably, maximum heavy by mathematical analysis prediction when time-displacement curve tends towards stability in the step (4)
Drop amount.
Preferably, in the step (4), cross section and vertical section subsider curve are drawn, judges construction infection range, most
The big sedimentation gradient, minimum profile curvature radius and formation volume loss.
Compared to the prior art, Tunnel Excavation Monitoring is carried out using this method, it can be to avoid the construction phase of overlapping tunnel group
It mutually influences, reduces and disturbance is generated to stratum and surrounding building；This method is also avoided that surface subsidence, neighboring buildings composition deformation etc.
One is the generation of safety problem；As a result, by this method, complete monitoring is accomplished to work progress, is entangled in time after deviation occurs
Just, deviation accumulation is avoided to cause construction hidden danger.Construction cost of the invention is low as a result, does not need to put into a large amount of mechanical equipment；
Improve safety and superiority of the shield in overlapping tunnel.
Detailed description of the invention
Fig. 1 is surface subsidence monitoring point arrangement schematic diagram.
Fig. 2 is underground pipeline settlement monitoring point arrangement schematic diagram.
Fig. 3 is that building settlement tilts monitoring point arrangement schematic diagram.
Fig. 4 is stresses in segments monitoring point arrangement schematic diagram.
Fig. 5 is Monitoring on Earth Pressure point arrangement schematic diagram.
Fig. 6 is section of jurisdiction circumferential weld strain monitoring arrangement schematic diagram.
Fig. 7 is axial force of the supports monitoring point arrangement schematic diagram.
In figure: 1-DBC；2- pipeline；3- well lid；4- yellow sand；5- building settlement tilts monitoring reinforcing bar；6- inclined building
Observation point；7- building settlement observation point；8- Reinforcement Stress-count；9- soil pressure cell；The section of jurisdiction 10- circumferential weld monitors optical fiber grating sensing
Device；11- axial force of the supports monitors fiber-optic grating sensor.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Certain station intersection of the present embodiment construction No. 1 subway of Mr. Yu and certain No. 2 subway, top is prosperity block at this；This 1
Number subway and No. 2 subways apply monitoring side disclosed by the invention in the work progress of station shield overlapping tunnel monitoring method
Method has achieved the purpose that overlapping tunnel monitors that practical, at low cost, safety and stability is high by this method.
A kind of monitoring method of overlapping tunnel information-aided construction, includes the following steps:
(1) monitoring point is arranged: including surface subsidence monitoring point arrangement, underground pipeline settlement monitoring point including monitoring point arrangement
Arrangement, building settlement inclination monitoring point arrangement, stresses in segments monitoring point arrangement, Monitoring on Earth Pressure point arrangement, section of jurisdiction circumferential weld are answered
Become monitoring point arrangement and axial force of the supports monitoring point arrangement；Construction ground data is consulted before construction in detail, carefully situation along prospecting, and
It tells somebody what one's real intentions are data in conjunction with the communal facility equipment correlation that units concerned provide, reasonable Arrangement monitoring point；
Surface subsidence monitoring point arrangement: as shown in Figure 1, influence journey when in order to monitor shield tunnel construction to peripheral ground
Degree and range should arrange that ground settlement profile monitoring point carries out vertical displacement monitoring；Especially shield export & import, by-pass, wear
More section, etc. risk assessments or to the engineering in city sensitive part or key position, such as important building or structures, city
Major trunk roads or its intersection, important pipeline or pipeline 2, intensive residential quarters etc. must cloth in laying ground environment monitoring point
If ground monitoring point；It in the present embodiment, be tunnel upper is busy street, so, in shield into and out of range in 50 meters of hole section
Interior, axis point lays one according to every 4 ring, and every 8 ring lays each section of a monitoring section and lays 9~11 monitoring points, non-
Every 8 ring of export & import surface subsidence monitoring point axis point lays one, and every 40 ring lays a settlement monitoring section, to geological conditions
Poor region should suitably increase subsidence survey point.Using monitoring section center as center line, 4 monitoring points are distinguished in two sides, wherein in
1 monitoring point of plane where heart line, is equipped with altogether 9 monitoring points；Distance of the monitoring point of plane apart from two sides where center line
Respectively 3.0m, 8.0m, 13.0m, 23.0m；Total distance is controlled in 46.0m；Surface subsidence monitoring point mainly utilizes accurate water
Quasi- instrument and steel ruler or total station.
Underground pipeline settlement monitoring point arrangement: as shown in Fig. 2, consulting related pipeline survey data before construction in detail, carefully
Situation along prospecting, and the data of telling somebody what one's real intentions are of pipeline ownership unit is combined, underground utilities within the scope of line 10m in the line, including
Right gas, water supply, sewage, rainwater are layouted spacing according to pipeline and tunnel location relationship, surely every 15m~30m or so on pipeline
A settlement monitoring point is laid to share pipeline and surface subsidence monitoring point when pipeline and tunnel parallel distance are closer.Buried pipe
The rigid strip pressure pipeline nearest away from tunnel piercing is laid and paid the utmost attention to line settlement point, water or coal gas as above or is lauched；Monitoring point
It is located at pipeline dew point as far as possible, on valve, inspection shaft, important pipeline inspection shaft, which is appeared, should lay direct settlement monitoring point.With
The important pipeline measuring point of Skew Tunnel should extend to minor effect area outer edge.Artesian aquifer, planar curvature section are passed through, is passed through loose
The keypoint parts Ground Subsidence Monitoring point such as powder soil horizon, tunnel overlay segment and sedimentation section spacing should be encrypted suitably.According to design drawing
Paper requirement, there is the pipeline arrangement line pipe top measuring point of particular/special requirement, and no particular/special requirement is arranged in corresponding earth's surface above pipeline.It is right
In the pipeline that buried depth is deeper, the embedded of monitoring point preferably uses embedded method indirectly, it is first determined measuring point is located at close by pipeline position
Pipeline axis is nearby in the corresponding soil body, i.e., is opened in the overhead surface of pipeline with water drilling and take the hole of diameter 120mm, ground hard shell is broken
It removes, top is worn into the reinforcing bar implantation therein of convex spherical, the position away from 2 top 50cm of pipeline or so is around backfilled with yellow sand 4,
Monitoring point is 5cm lower than ground, and top does well lid 3 and protects monitoring point, to prevent rolling for vehicular traffic.
Building settlement tilts monitoring point arrangement: according to tunnel piercing to the coverage of surrounding building, sedimentation, inclination
The laying of observation point should be able to reflect structure foundation deformation behaviour comprehensively, and in conjunction with my section building structure feature, point is preferably selected and set
In lower column position, the quadrangle of building, Core Walls Structure quadrangle, 10m at big corner and when being located at the main zone of influence along exterior wall straight line
~15m, or 1 monitoring point is laid every 2 load-bearing pillars；When positioned at minor effect area, monitoring point along exterior wall spacing 15m~30m,
Or 1 monitoring point is laid every 2~3 load-bearing pillars.Building, which often blocks up gable, should be no less than 3 subsidence survey points, main to influence
The nearlyr building settlement measuring point spacing in area should not exceed 12m, and subsiding crack two sides should all lay subsidence survey point.As shown in figure 3, building
Object sedimentation inclination monitoring point is apart from ground 10cm, and the distance that one end should enter in building should be greater than 10cm, and the other end is located at
The outer 4cm of building；Building settlement tilts monitoring site and backfills gap using Anchor Agent in one end in building, Anchor Agent
It has good workability, is not limited by place, and there is no action of rust to building settlement inclination monitoring reinforcing bar 5, it is impervious good
It is good.Building settlement tilts building settlement of the monitoring site inside one end outside building equipped with φ 20 and tilts monitoring steel
Muscle 5, top surface and eminence building settlement tilt monitoring point 1cm；For inclined building observation point 6, building settlement inclines
Tiltedly monitoring 5 middle positions of reinforcing bar, that is, inclined building observation point 6；For building settlement observation point 7, building settlement inclination
Monitoring point is exactly building settlement observation point 7 far from one jiao at building 4cm apart from ground 10cm.
Stresses in segments monitoring point arrangement: as shown in figure 4, before the concreting of section of jurisdiction, 8 reinforcement stresses are installed on section of jurisdiction
Meter 8, totally four positions, each position are installed 2 Reinforcement Stress-counts 8, are intersected with tunnel plumb line at 45 °.
Monitoring on Earth Pressure point arrangement: as shown in figure 5, before the concreting of section of jurisdiction, 8 soil pressure cells 9, every endless tube piece are installed
On 89 installation sites of soil pressure cell respectively in the top at tunnel center, bottom, two waists, top soil pressure cell 9 and bottom
The installation site of soil pressure cell 9 is located on tunnel plumb line；9 position of soil pressure cell of two waists, top soil pressure cell 9 divide
It is not in 30 ° and 45 ° with tunnel plumb line, lower part soil pressure cell 9 and tunnel plumb line are in 45 °.
Section of jurisdiction circumferential weld strain monitoring point arrangement: as shown in fig. 6, after the completion of pipe sheet assembling, and mating all disengagings after guarantee
Behind section of jurisdiction, 4 fiber-optic grating sensors are installed on the inside of section of jurisdiction and avoid installation of binding when sensor is installed.
Axial force of the supports monitoring point arrangement: installing fiber-optic grating sensor in mobile trolley used support leg, mobile trolley used to amount to 10
It spells, is spelled every one and lay one group of sensor, one group of sensor is 5 measuring points.As shown in fig. 7, the mobile trolley used upper half is uniform
5 measuring points of distribution, i.e. 5 fiber-optic grating sensors；When it is mobile trolley used slide on the slide rail when, pass through fiber-optic grating sensor
Axial force of the supports is monitored.
(2) monitoring point is embedded: surface subsidence monitoring point measuring point near tunnel middle line should be encrypted suitably, and earth's surface has controlling
Build/structures when measuring range should suitably widen；Measuring point need to be located near pipeline axis by underground pipeline settlement monitoring point
In the corresponding soil body；Building settlement inclination monitoring utilizes total station, measures status deviant of the top of building relative to bottom,
Further according to the height of building, the gradient of building main body is calculated；The controlling value of monitoring is come according to the as-is data of building
Formulate monitoring controlling value and alarming value；Stresses in segments monitoring need to be after the completion of the tie with reinforcing bar of section of jurisdiction, by the upper of corresponding position
Under each two bars cutting, after cutting by Reinforcement Stress-count 8 and cutting after reinforcement welding, 8 data line of section of jurisdiction Reinforcement Stress-count
It is connected on the inside of section of jurisdiction；For Monitoring on Earth Pressure in prefabricated pipe section, it is thick to reserve Φ 100mm, 20mm on the outside of section of jurisdiction for position as requested
9 mounting groove of soil pressure cell, and reserved special line pipe.When concreting, wiring sleeve is sealed, prevent concrete into
Enter, 9 data line of soil pressure cell is connected on the inside of section of jurisdiction；Section of jurisdiction circumferential weld strain monitoring first with abrasive machine by section of jurisdiction polish depth 5mm, diameter
Drifting along on section of jurisdiction is removed completely using sand paper, while sensor is pasted onto section of jurisdiction surface with A, B glue by 10cm groove.Peace
After the completion of dress, sensing line is sticked on section of jurisdiction, prevents sensing line loss bad；Axial force of the supports monitoring uses fiber-optic grating sensor,
Fiber-optic grating sensor is welded at the telescopic oil cylinder of support leg；Fiber-optic grating sensor can be by the physical quantitys such as temperature and strain
It is directly measured, it is very convenient to use；Specifically, the fiber-optic grating sensor that the present invention uses is fiber grating strain
Sensor influences the wave length shift of fiber grating by strain, to complete sensing measurement.
(3) implement monitoring: the reliability in order to guarantee measurement data, it should keep the measurement people of each link relatively fixed；
Measuring instrument is carried out to be responsible for keeping by professional；All measuring instruments should have been completed to verify before use, and
Test passes；The operation of the measurement data of each link, is calculated by computer, and is stored.In monitoring, pass through manpower
The data of measurement need to be recorded in table with the form of table according to construction reference, by certain Mathematical treatment, by same amount
The various metric data for surveying section carry out analysis comparison, mutually confirmation, to determine the reliability of data；Using electronic equipment as
The part of measuring tool connects measuring system with background system；Wherein background system includes receiving portion and calculating feedback section
Point；Measuring system informs staff's tool by the receiving portion of the data transmission of measuring and calculating to background system, then by calculating feedback
Body monitors situation, to meet the process of overall monitor measurement overlapping orbitals construction, realizes information construction monitoring.
(4) Data Analysis Services: time-displacement curve scatter plot is drawn according to monitoring data and apart from displacement curve scatterplot
Figure, the validity of adjoining rock stability state and working measure is judged according to settlement law；It, can when time-displacement curve tends towards stability
Largest settlement is predicted by mathematical analysis；Cross section and vertical section subsider curve are drawn, judges construction infection range, maximum
Settle the gradient, minimum profile curvature radius, formation volume loss etc.；Monitoring report is formed according to the above Analysis on monitoring data to report.Institute
Stating mathematical analysis includes logarithmic function analysis, exponential function analysis and hyperbolic functions analysis；The data obtained by mathematical analysis,
In conjunction with country rock, supporting stress condition and deformation, considerable multidate information monitoring is obtained.
The construction monitoring completed by above method, can clearly understand the dynamic of construction stage bottom and supporting construction
Variation, makes work progress meet the safety in production of engineering structure；Surrounding enviroment are influenced by monitoring the construction recognized, and right
Monitoring result carries out processing analysis, can be very good the sedimentation situation of control construction site, it is ensured that and the normal use on ground, build/
The normal use and underground utilities of structures are not damaged；The deficiency of theoretical construction data is supplemented using actual monitoring data, and
When the defect of condition of construction is supplemented, make work progress continue to keep safety and efficiency；Construction is produced by monitoring measurement
Raw environment influences to carry out overall monitor, and work progress is made to reduce the influence possibility to environment；It carries out by the method for the invention
Monitoring, to construction site carry out daily management, it is ensured that work progress stablize promote；Also, it carries out by the method for the invention
Monitoring, can be understood in work progress by monitoring, construct bring environmental change and stress deformation rule, as scene
Data retains, and can provide referential suggestion when summarizing, provide reference to next similar engineering.
It needs to make prompt, before construction goes into operation, it is necessary to carry out related training to monitoring personnel, it is desirable that every monitoring
Personnel abide by the relevant regulations of safety in production, and obey the unified command and arrangement of construction site；In monitoring, it is necessary to tight
Lattice are monitored according to the Standardization Practice step of the propositions such as the monitoring plan of authorization or job instruction；Site operation personnel
Should be certainly proper to the measuring instrument used, refusal leads to the damage and failure of instrument due to artificial origin；In work progress
In, open fire should be avoided, the power supply for construction safety at scene is reinforced, is equipped with special professional electrician for construction site, it is short to reduce
Road and cause unnecessary accident；In practical work process, responsibility system management should be carried out to monitoring personnel, by monitoring personnel
Measurement result is responsible for, to accomplish the management program and job standardization of safety in production；Each single item stage step is made
It summarizes in time, to provide the working efficiency of next stage.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, its shape or on make any variation, all skills fallen into the claims in the present invention confining spectrum
Art scheme, is within the scope of the present invention.
Claims (8)
1. a kind of monitoring method of overlapping tunnel information-aided construction, which comprises the steps of:
(1) monitoring point is arranged: the monitoring point arrangement includes surface subsidence monitoring point arrangement, underground pipeline settlement monitoring point cloth
It sets, building settlement inclination monitoring point arrangement, stresses in segments monitoring point arrangement, Monitoring on Earth Pressure point arrangement, the strain of section of jurisdiction circumferential weld
Monitoring point arrangement and axial force of the supports monitoring point arrangement；
(2) monitoring point is embedded: burying one by one to the monitoring point of arrangement；
(3) implement monitoring；
(4) Data Analysis Services: time-displacement curve scatter plot is drawn according to monitoring data and apart from displacement curve scatter plot, root
The validity of adjoining rock stability state and working measure is judged according to settlement law.
2. a kind of monitoring method of overlapping tunnel information-aided construction as described in claim 1, which is characterized in that the step
(2) in, surface subsidence monitoring point is encrypted in the measuring point of tunnel midline；Earth's surface have controlling build/structures when, two sides range adds
It is wide.
3. a kind of monitoring method of overlapping tunnel information-aided construction as described in claim 1, which is characterized in that the step
(2) in, in the arrangement of underground pipeline settlement monitoring point, important pipeline inspection shaft, which is appeared, lays settlement monitoring point；Pipeline and tunnel
When parallel distance is close, underground pipeline settlement monitoring point and surface subsidence monitoring point are shared.
4. a kind of monitoring method of overlapping tunnel information-aided construction as described in claim 1, which is characterized in that the step
(2) in, building settlement inclination monitoring point is arranged at the quadrangle or Core Walls Structure quadrangle or big corner of building.
5. a kind of monitoring method of overlapping tunnel information-aided construction as described in claim 1, which is characterized in that the step
(2) in, building settlement inclination monitoring is total station using instrument.
6. a kind of monitoring method of overlapping tunnel information-aided construction as described in claim 1, which is characterized in that the step
(2) in, section of jurisdiction circumferential weld strain monitoring and the sensor that uses of axial force of the supports monitoring are fiber-optic grating sensor.
7. a kind of monitoring method of overlapping tunnel information-aided construction as described in claim 1, which is characterized in that the step
(4) in, when time-displacement curve tends towards stability, largest settlement is predicted by mathematical analysis.
8. a kind of monitoring method of overlapping tunnel information-aided construction as claimed in claim 7, which is characterized in that the step
(4) in, cross section and vertical section subsider curve is drawn, judges construction infection range, the maximum settlement gradient, minimum profile curvature radius
It is lost with formation volume.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207655A (en) * | 2019-07-04 | 2019-09-06 | 石家庄铁道大学 | Subgrade settlement monitoring settlement gauge and monitoring method |
| CN110987040A (en) * | 2019-12-20 | 2020-04-10 | 武汉理工大学 | Fiber grating long-distance tunnel segment dislocation and ballast bed settlement monitoring and alarming system |
| CN112747715A (en) * | 2020-12-29 | 2021-05-04 | 淮安市中球盾构技术服务有限公司 | Pipeline deformation monitoring method |
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