CN110057331A - A kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus and method - Google Patents

A kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus and method Download PDF

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Publication number
CN110057331A
CN110057331A CN201910341451.4A CN201910341451A CN110057331A CN 110057331 A CN110057331 A CN 110057331A CN 201910341451 A CN201910341451 A CN 201910341451A CN 110057331 A CN110057331 A CN 110057331A
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CN
China
Prior art keywords
sleeve pipe
protection sleeve
measuring point
displacement
surrounding rock
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.)
Pending
Application number
CN201910341451.4A
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Chinese (zh)
Inventor
康永水
朱元广
刘滨
刘学伟
黄兴
桑昊旻
陈磊
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Wuhan Institute of Rock and Soil Mechanics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Institute of Rock and Soil Mechanics of CAS filed Critical Wuhan Institute of Rock and Soil Mechanics of CAS
Priority to CN201910341451.4A priority Critical patent/CN110057331A/en
Publication of CN110057331A publication Critical patent/CN110057331A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

This application discloses a kind of tunnel roadway surrounding rock surfaces and deep soils integrated apparatus; it include: protection sleeve pipe; to be set in country rock body along measurement direction, the protection sleeve pipe is rigid body, and the side wall of the protection sleeve pipe is equipped with longitudinally disposed several opening portions at different depth;It can be along the longitudinally opposed several point equipments moved of the protection sleeve pipe; the point equipment includes the fixed device of measuring point preservation body, connecting component and measuring point; the measuring point preservation body is set on the outside of the protection sleeve pipe; each measuring point preservation body by injecting cement paste with country rock to be fixedly connected; the measuring point preservation body is connect by the connecting component with the fixed device of the measuring point being set on the inside of the protection sleeve pipe, and the connecting component passes through the opening portion;The displacement measuring device being fixed in the protection sleeve pipe, institute's displacement measurement device is to measure the relative displacement between the fixed device of the measuring point and the protection sleeve pipe.

Description

A kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus and method
Technical field
The present disclosure relates generally to deformation of geotechnical engineering monitoring technical fields, and in particular to a kind of tunnel roadway surrounding rock surface and depth Portion is displaced monitoring integration device and method.
Background technique
Surrouding rock deformation is to evaluate supporting after the stable major criterion of tunnel/roadway surrounding rock, and assessment tunnel/roadway excavation Construct validity, rational important evidence, quickly, accurate, easily acquisition surrouding rock deformation information is to judge that supporting is arranged in time Apply rational important leverage.Thus, monitoring surrouding rock deformation accurately and timely, for understanding the conjunction of construction quality, arrangement and method for construction Rationality and instruct Contraction in Site have particularly important meaning;In recent years, with subway, public affairs/iron tunnel, coal mine The fast development of the underground engineerings such as lane developing, there is an urgent need to a kind of devices that can be accurately convenient for measuring tunnel wall rock deformation, with more Good guiding construction.
The method that tunnel/tunnel country rock surface displacement monitoring multi-pass is manually measured excessively at present, it is time-consuming and laborious also inaccurate, Efficiency is very low.Or laser ranging system is used, but also there are still time-consuming and laborious disadvantages, can not achieve continuously and quickly measuring meter It calculates.Also have using electronic total station mensuration, its advantage is that speed is fast, precision is high, function is strong and high degree of automation, But this method cost is high, and is confined to surface displacement monitoring, cannot measure country rock deep displacement simultaneously.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, position in foundation pit country rock can effectively be monitored by being intended to provide one kind The scheme of shifting.
In a first aspect, the embodiment of the present application provides a kind of tunnel roadway surrounding rock surface and deep soils are integrally disguised It sets, comprising:
Protection sleeve pipe, to be set in country rock body along measurement direction, the protection sleeve pipe is rigid body, the side of the protection sleeve pipe Wall is equipped with longitudinally disposed several opening portions at different depth;
Can include along the longitudinally opposed several point equipments moved of the protection sleeve pipe, the point equipment measuring point preservation body, Connecting component and the fixed device of measuring point, the measuring point preservation body are set on the outside of the protection sleeve pipe, and each measuring point preservation body is used To be fixedly connected by injecting cement paste with country rock, the measuring point preservation body is by the connecting component and is set in the protection sleeve pipe The fixed device connection of the measuring point of side, the connecting component pass through the opening portion;
The displacement measuring device being fixed in the protection sleeve pipe, institute's displacement measurement device are fixed to measure the measuring point Relative displacement between device and the protection sleeve pipe.
The measuring point preservation body is plate body structure, and the place plane and the axial direction of the protection sleeve pipe of the plate body are big It causes vertical.Due to being full of injecting cement paste on the outside of protection sleeve pipe between drill hole inner wall in monitoring, when country rock occurs along measurement direction Deformation when, contact area between plate body structure and injecting cement paste is entire plane, thus can with country rock deformation together Displacement is generated, to more accurately carry out the monitoring of displacement displacement.
The connecting component is connecting rod, and the connecting rod is removably connect with the fixed device of the measuring point.Work as measurement direction It, in this way can be in order to the recycling of equipment when for along the direction of the front of tunnel heading of tunnel longitudinal direction.
Using being threadedly coupled between the connecting rod and the fixed device of the measuring point, when the surrouding rock deformation of measurement front of tunnel heading When, be conducive to the recycling of device.
It is equipped with gum cover in the opening portion in the protection sleeve pipe, the gum cover is equipped with scarfing in the opening portion.
Institute's displacement measurement device use linear displacement transducer, the main structure of the linear displacement transducer with it is described The inner wall of protection sleeve pipe is fixedly connected, and the measurement end of the linear displacement transducer is connect with the fixed device of the measuring point.
The main structure is fixed on the inner wall of the protection sleeve pipe by fastener, easy to disassemble.
The protection sleeve pipe includes several protection sleeve pipe units, is removably connected between each protection sleeve pipe unit.
Each protection sleeve pipe unit and the point equipment correspond.
A kind of monitoring method on tunnel roadway surrounding rock surface and deep soils integrated apparatus, comprising the following steps:
Step 1: setting measurement drilling;
Step 2: the opening portion of the connecting component insertion protection sleeve pipe of measuring point preservation body will be connected with, by the connecting component and survey The fixed device of point is attached, and the fixed device of the measuring point is fixedly connected with the measurement end of displacement measuring device, and the displacement is surveyed The ontology of amount device is fixedly connected with the inside of the protection sleeve pipe;
Step 3: passing through the prison of each displacement measuring device after slurry consolidation to the hole slip casting of the drilling and protection sleeve pipe Measured value measures the surrounding rock displacement value in the drilling.
Tunnel roadway surrounding rock provided by the embodiments of the present application surface and deep soils integrated programme, measuring point preservation body It is fixedly connected with country rock by injecting cement paste, since measuring point preservation body and the fixed device of measuring point can be sent out along the longitudinal direction of the protection sleeve pipe Raw relative displacement, therefore when country rock deforms, measuring point preservation cognition is subjected to displacement with country rock, and then drives measuring point solid Determine device and corresponding displacement occurs, displacement measuring device is set in protection sleeve pipe, and is fixedly connected with the fixed device of measuring point, therefore Displacement measurement element can accurately measure the shift value of measuring point preservation body, to accurately measure the shift value of country rock.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other Feature, objects and advantages will become more apparent upon:
Fig. 1 is the overall schematic of apparatus of the present invention structure;
Fig. 2 is the side view of point equipment in apparatus of the present invention;
Fig. 3 is the front view of point equipment in apparatus of the present invention;
In figure: 1- protection sleeve pipe;The opening portion 2-;301- measuring point preservation body;302- connecting component;303- measuring point fixes device; 401- linear displacement transducer;402- fastener;5- gum cover;501- scarfing.
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, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is A part of the invention is instead of all the embodiments.For ease of description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the embodiment of the present invention for usually describing and showing in this figure Component can arrange and design with a variety of different configurations.It is understood that specific embodiment described herein is only It is only used for explaining related invention, rather than the restriction to the invention.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, belong to " setting ", " connection " should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or the connection of one;It can be Mechanical connection, is also possible to be electrically connected;It can be and be directly connected to, can also be indirectly connected with by intermediary, can be two Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition In concrete meaning.
As shown in Figures 1 to 3, a kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus, including protection sleeve pipe 1, point equipment, displacement measuring device.
Wherein, protection sleeve pipe 1 is rigid body, to be set in country rock body along measurement direction.The side wall of protection sleeve pipe 1 is not Longitudinally disposed several opening portions 2 are equipped with depth.It is equipped with the gum cover 5 with setting thickness in the inside of protection sleeve pipe 1, The gum cover 5 is being equipped with scarfing 501 with the corresponding position of opening portion 2.Between gum cover and protection sleeve pipe 1 can by way of glue connection into Row connection.Rigid body herein, referring to will not stretch along measurement direction, for example, protection sleeve pipe 1 uses HPVC hard tube, i.e., The requirement that it is rigid body can be met.It is understood that for protection sleeve pipe 1 using the feelings of other duroplasts or metal material Condition, within the scope of protection of this application.
Point equipment includes the fixed device 303 of measuring point preservation body 301, connecting component 302 and measuring point.Wherein measuring point preservation body 301 are arranged in the outside of protection sleeve pipe 1, and the fixed device 303 of measuring point is set to the inside of protection sleeve pipe 1, measuring point preservation body 301 and survey It is connected between the fixed device 303 of point by connecting component 302.Specifically, measuring point preservation body 301 is plate body structure, place is flat Face is substantially vertical with the axial direction of protection sleeve pipe 1.Connecting component 302 is the connecting rod across gum cover scarfing 501, one end of connecting rod It is connected with measuring point preservation body 301, the other end of connecting rod is removably connect with the fixed device 303 of measuring point.It is set since gum cover has Thickness is determined, therefore when connecting rod passes through gum cover scarfing 501, since gum cover has certain elasticity, week of the gum cover in connecting rod Enclosing, which still can be very good, is closed, so that injecting cement paste be avoided to pour into the inside of protection sleeve pipe 1 from opening portion 2.Connecting rod and measuring point The removably connection of device 303 is fixed, concrete form can be equipped with screw thread for the end of connecting rod, and fix device 303 with measuring point It is connected through a screw thread.Wherein, when the fixed device 303 of measuring point screws in the screw thread of connecting rod port, preferably by the fixed device of measuring point 303 are close to gum cover, can preferably avoid infiltration of the injecting cement paste into protection sleeve pipe 1 in this way.
Displacement measuring device use linear displacement transducer 401, wherein the main structure of linear displacement transducer 401 with The inner wall of protection sleeve pipe 1 is fixedly connected, and specific type of attachment is to be equipped with fastener 402, straight-line displacement in the inner wall of protection sleeve pipe 1 The main structure of sensor 401 is fixed on fastener 402, and the measurement end of linear displacement transducer 401 is fixed on the fixed dress of measuring point It sets on 303.When the fixed device 303 of measuring point is subjected to displacement with measuring point preservation body 301, the measurement of linear displacement transducer 401 End is subjected to displacement likewise as the fixed device 303 of measuring point, to measure the surrouding rock deformation at the measuring point.
Preferential, protection sleeve pipe 1 includes several protection sleeve pipe units, is removably connected between each protection sleeve pipe unit It connects, one group of point equipment is equipped on each protection sleeve pipe unit.It can according to need, the length of protection sleeve pipe unit is set, So that it is determined that the different depth of measurement.Wherein, the route of linear displacement transducer 401 can be picked out by the inside of protection sleeve pipe To data collection system.
The embodiment of the present application further includes the measurement side on a kind of tunnel roadway surrounding rock surface Yu deep soils integrated apparatus Method, comprising the following steps:
Step 1: setting measurement drilling, the depth that drillable length measures as needed towards direction to be measured at the tested point in tunnel Range determines (being usually no more than 30m).
Step 2: the connecting component 302 for being connected with measuring point preservation body 301 being inserted into the opening portion 2 of protection sleeve pipe, will be connected Component 302 and the fixed device 303 of measuring point are attached, and the fixed device 303 of the measuring point and the measurement end of displacement sensor are fixed Connection, the ontology of institute's displacement sensors are fixedly connected with the inside of the protection sleeve pipe, and side assembly protection sleeve pipe element sides will Assembled good protection sleeve pipe is inserted into drilling;
Step 3: carrying out initial measurement immediately after slurry consolidation to the hole slip casting of the drilling and protection sleeve pipe;
Step 4: in each measurement later, by the monitor value of each displacement sensor, measuring the country rock position in the drilling Shifting value.
The embodiment of the present application has the advantages that
1, precision is high, repeatedly can measure and analyze using linear displacement transducer, greatly improve precision;
2, installation and operation simple and convenient;
3, do not influenced dynamically by construction, can change in displacement inside real-time monitoring foundation pit country rock, provide data for safe early warning Information.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (10)

1. a kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus characterized by comprising
Protection sleeve pipe, to be set in country rock body along measurement direction, the protection sleeve pipe is rigid body, the side of the protection sleeve pipe Wall is equipped with longitudinally disposed several opening portions at different depth;
Can include along the longitudinally opposed several point equipments moved of the protection sleeve pipe, the point equipment measuring point preservation body, Connecting component and the fixed device of measuring point, the measuring point preservation body are set on the outside of the protection sleeve pipe, and each measuring point preservation body is used To be fixedly connected by injecting cement paste with country rock, the measuring point preservation body is by the connecting component and is set in the protection sleeve pipe The fixed device connection of the measuring point of side, the connecting component pass through the opening portion;
The displacement measuring device being fixed in the protection sleeve pipe, institute's displacement measurement device are fixed to measure the measuring point Relative displacement between device and the protection sleeve pipe.
2. a kind of tunnel roadway surrounding rock surface according to claim 1 and deep soils integrated apparatus, feature exist In the measuring point preservation body is plate body structure, and the place plane of the plate body and the axial direction of the protection sleeve pipe substantially hang down Directly.
3. a kind of tunnel roadway surrounding rock surface according to claim 1 and deep soils integrated apparatus, feature exist In the connecting component is connecting rod, and the connecting rod is removably connect with the fixed device of the measuring point.
4. a kind of tunnel roadway surrounding rock surface according to claim 3 and deep soils integrated apparatus, feature exist In the connecting rod and the measuring point are fixed to use between device and be threadedly coupled.
5. a kind of tunnel roadway surrounding rock surface according to claim 1 and deep soils integrated apparatus, feature exist In in the opening portion equipped with gum cover in the protection sleeve pipe, the gum cover is equipped with scarfing in the opening portion.
6. a kind of tunnel roadway surrounding rock surface according to claim 1 and deep soils integrated apparatus, feature exist In institute's displacement measurement device uses linear displacement transducer, the main structure of the linear displacement transducer and the protection The inner wall of casing is fixedly connected, and the measurement end of the linear displacement transducer is connect with the fixed device of the measuring point.
7. a kind of tunnel roadway surrounding rock surface according to claim 6 and deep soils integrated apparatus, feature exist In the main structure is fixed on the inner wall of the protection sleeve pipe by fastener, easy to disassemble.
8. a kind of tunnel roadway surrounding rock surface according to claim 1 and deep soils integrated apparatus, feature exist In the protection sleeve pipe includes several protection sleeve pipe units, is removably connected between each protection sleeve pipe unit.
9. a kind of tunnel roadway surrounding rock surface according to claim 8 and deep soils integrated apparatus, feature exist In each protection sleeve pipe unit and the point equipment correspond.
10. the monitoring method on a kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus, which is characterized in that including with Lower step:
Step 1: setting measurement drilling;
Step 2: the opening portion of the connecting component insertion protection sleeve pipe of measuring point preservation body will be connected with, by the connecting component and survey The fixed device of point is attached, and the fixed device of the measuring point is fixedly connected with the measurement end of displacement measuring device, and the displacement is surveyed The ontology of amount device is fixedly connected with the inside of the protection sleeve pipe;
Step 3: passing through the prison of each displacement measuring device after slurry consolidation to the hole slip casting of the drilling and protection sleeve pipe Measured value measures the surrounding rock displacement value in the drilling.
CN201910341451.4A 2019-04-26 2019-04-26 A kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus and method Pending CN110057331A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111006574A (en) * 2019-11-15 2020-04-14 山东科技大学 Equipment and method for measuring displacement of roadway wall part

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Application publication date: 20190726