CN102889874A - Device for tunnel tube-shed support deformation testing and application method thereof - Google Patents
Device for tunnel tube-shed support deformation testing and application method thereof Download PDFInfo
- Publication number
- CN102889874A CN102889874A CN2012103833802A CN201210383380A CN102889874A CN 102889874 A CN102889874 A CN 102889874A CN 2012103833802 A CN2012103833802 A CN 2012103833802A CN 201210383380 A CN201210383380 A CN 201210383380A CN 102889874 A CN102889874 A CN 102889874A
- Authority
- CN
- China
- Prior art keywords
- pipe
- testing
- steel
- steel pipe
- horizontal inclinometer
- 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.)
- Granted
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a device for tunnel tube-shed support deformation testing and an application method thereof. The device mainly comprises a slope-testing device and a force-testing device, wherein the slope-testing device mainly comprises a slope-testing steel tube, a horizontal slope-testing tube and a fixed pulley, the fixed pulley is arranged at one end of the inside of the horizontal slope-testing tube, the fixed pulley is provided with a steel strand, the horizontal slope-testing tube is sleeved with a ring bracket, and the ring bracket is contacted with the inner wall of the slope-testing steel tube through a roller arranged on the ring bracket; and the force-testing device mainly comprises a force-testing steel tube and a reinforcement cage, a reinforcement meter is arranged in the reinforcement cage, and the reinforcement cage is arranged in the force-testing steel tube through a push pulley arranged at the lower part of the reinforcement cage. According to the invention, through the setting of the horizontal slope-testing tube, a horizontal slope-testing instrument moves along the horizontal slope-testing tube so as to determine the slope of the horizontal slope-testing tube, thereby achieving the purpose of carrying out real-time monitoring on the deformation of a tunnel vault; a reinforcement meter is arranged in the steel tube, and the internal force of the steel tube is tested through the reinforcement meter, so that the change situation of the internal force of a tube-shed along with the tunnel construction is indirectly reflected; and the device is simple and practical in structure and easy to operate, promote and apply.
Description
Technical field
The present invention relates to the monitoring device in the constructing tunnel process, specifically a kind of device and using method thereof for tunneltron canopy Support Deformation test are mainly used in the deflection and internal force test of pipe shed support in the tunnel excavation process.
Background technology
For alleviating the pressure of traffic, realize the crossings on different level of driving, need under busy highway, railway and existing building, build the tunnel.Method for tunnel construction is subject to the impact of the factors such as surface structures, urban transportation, hydrogeology, environmental protection, construction tool, and shallow burial hidden digging is with the characteristics of its strong adaptability, good economy performance, widespread use in constructing tunnel.But adopt the tunnel of shallow burial hidden digging construction, upper cover layer is thinner, and wall rock condition is usually relatively poor, and construction safety risk is very large; And Shed-pipe Advanced Support can be grown distance to reinforce stratum, bored tunnel arch as a kind of support system, for constructing tunnel has been created advantage, has improved degree of safety.
Pipe shed support is by squeezing into steel pipe and slip casting in the country rock in country rock, reduce soil body voidage, increase the packing of soil, make pipe canopy, slurries and soil body acting in conjunction, safeguard the globality of surrounding rock structure, improve the physical strength of country rock, transfer the self-supporting ability of weak surrounding rock, make it suppress timely and effectively the distortion of country rock.Pipe shed support is in stable excavation country rock, also produced corresponding distortion, by this distortion is tested, the test result of comprehensive ground settlement, vault sinking and perimeter convergence, can form complete pipe shed support Assessment of Surrounding Rock Stability system, stressed and the deformation of Real-Time Monitoring pipe shed support country rock increases the security of constructing tunnel greatly.
Summary of the invention
In order to solve the monitoring problem of pipe shed support distortion in the constructing tunnel, the invention provides a kind of device and using method thereof for the test of tunneltron canopy Support Deformation.
The present invention solves the problems of the technologies described above the technical scheme of employing to be: a kind of device for the test of tunneltron canopy Support Deformation, mainly consisted of by inclination measurement device and device for measuring force, described inclination measurement device mainly is comprised of deviational survey steel pipe, horizontal inclinometer pipe and the fixed block that is arranged on an end in the horizontal inclinometer pipe, described fixed block is provided with steel strand wires, described horizontal inclinometer pipe exterior ring cap has ring support, and ring support contacts with the inwall of deviational survey steel pipe by the roller which is provided with; Described device for measuring force mainly is made of dynamometry steel pipe and the inner steel reinforcement cage that is provided with reinforcing rib meter, and steel reinforcement cage is arranged in the dynamometry steel pipe by the propelling movement pulley of its underpart; The adjacent tunnel vault that is arranged on the dynamometry steel pipe of described deviational survey steel pipe;
Described reinforcing rib meter is vertically welded on the inwall of steel reinforcement cage by connecting reinforcement;
Described fixed block is fixed on a end in the horizontal inclinometer pipe by iron wire and steel plate;
Described horizontal inclinometer pipe and ring support are interference fit, and fixing by the iron wire binding between the two.
Among the present invention, described horizontal inclinometer pipe external diameter is less than the ring support internal diameter, and the ring support external diameter should be less than the deviational survey pipe diameter, and the steel reinforcement cage external diameter is less than the dynamometry pipe diameter.
Utilize the method for described deformation test device to test tunneltron canopy Support Deformation, may further comprise the steps:
One end of step 2, the steel strand wires in inclination measurement device arranges horizontal inclinometer, the other end is walked around fixed block and is exposed outside, spurring exposed steel strand wires makes horizontal inclinometer move inward along the inwall of deviational survey steel pipe, reading every a horizontal inclinometer of half meter record, when treating that horizontal inclinometer moves to deviational survey steel pipe bottom, the turnover direction of exchange horizontal inclinometer and steel strand wires still spurs steel strand wires, and every half meter reading that records a horizontal inclinometer;
Step 3, two data that record of same position in the deviational survey steel pipe are averaged as the amount of taper of this position, be converted into sag curve on the deviational survey steel pipe length direction by the amount of taper with whole deviational survey steel pipe diverse location of converting, and judge the deformation of tunnel pipe shed support by this sag curve;
Step 4, by the processing of the reinforcing rib meter reading that arranges in the device for measuring force being judged pipe canopy internal force is with the situation of change of constructing tunnel.
Principle of work of the present invention is:
By arranging reinforcing rib meter in the horizontal inclinometer pipe of layout in the tunnel vault steel pipe and the adjacent steel pipe, measure amount of deflection and the stressing conditions of steel pipe, analyze distortion and the mechanical behavior of pipe shed support in the tunnel excavation process.One end of the steel strand wires by fixed block is connected with horizontal inclinometer, and the other end is exposed outside; Pull out exposed steel strand wires along horizontal inclinometer pipe, so that horizontal inclinometer moves inward along horizontal inclinometer pipe, record a secondary data every half meter; After tiltmeter slides into horizontal inclinometer pipe bottom, exchange tiltmeter and exposed line turnover direction still every half meter record one secondary data, are averaged to two secondary data of same position, by certain mathematical conversion, obtain the sag curve of horizontal inclinometer pipe on whole length.For the steel pipe internal force test that reinforcing rib meter is installed, owing to be full of sand-cement slurry between steel reinforcement cage and the steel pipe, form common stress deformation body, carrying out along with tunnel excavation, reinforcing rib meter and steel pipe produce deform in same pace, by the processing to the steel bar gauge measurement data, obtain managing canopy internal force with the situation of change of constructing tunnel.
Beneficial effect: the present invention so that horizontal inclinometer can move to measure its gradient along horizontal inclinometer pipe, has reached the purpose of Real Time Monitoring tunnel vault distortion by arranging horizontal inclinometer pipe and in horizontal inclinometer pipe fixed block being set; Reinforcing rib meter is installed in steel pipe, by the test of reinforcing rib meter to steel pipe internal force, is indirectly reflected pipe canopy internal force with the situation of change of constructing tunnel, simple and practical, convenient operation and applying.
Description of drawings
Fig. 1 is that the present invention is at the scheme of installation of tunnel vault;
Fig. 2 is the structural representation of inclination measurement device of the present invention;
Fig. 3 is the cut-open view of inclination measurement device of the present invention;
Fig. 4 is the structural representation of device for measuring force of the present invention;
Fig. 5 is the cut-open view of device for measuring force of the present invention;
Reference numeral: 1, inclination measurement device, 2, device for measuring force, 1.1, the deviational survey steel pipe, 1.2, horizontal inclinometer pipe, 1.3, ring support, 1.4, roller, 1.5, fixed block, 1.6, steel strand wires, 2.1, the dynamometry steel pipe, 2.2, steel reinforcement cage, 2.3, reinforcing rib meter, 2.4, push pulley.
Embodiment
As shown in the figure, a kind of device for the test of tunneltron canopy Support Deformation, mainly consisted of by inclination measurement device 1 and device for measuring force 2, described inclination measurement device 1 is mainly by deviational survey steel pipe 1.1, horizontal inclinometer pipe 1.2 forms with the fixed block 1.5 that is arranged on ends in the horizontal inclinometer pipe 1.2, fixed block 1.5 is fixed on a end in the horizontal inclinometer pipe 1.2 by iron wire and steel plate, fixed block 1.5 is provided with steel strand wires 1.6, described horizontal inclinometer pipe 1.2 exterior ring caps have ring support 1.3, horizontal inclinometer pipe 1.2 is interference fit with ring support 1.3, and fixing by the iron wire binding between the two, ring support 1.3 contacts with the inwall of deviational survey steel pipe 1.1 by the roller 1.4 which is provided with; Described device for measuring force 2 mainly is made of dynamometry steel pipe 2.1 and the inner steel reinforcement cage 2.2 that is provided with reinforcing rib meter 2.3, reinforcing rib meter 2.3 is vertically welded in by connecting reinforcement on the inwall of steel reinforcement cage 2.2, and steel reinforcement cage 2.2 is arranged in the dynamometry steel pipe 2.1 by the propelling movement pulley 2.4 of its underpart; Described deviational survey steel pipe 1.1 and the dynamometry steel pipe 2.1 adjacent tunnel vaults that are arranged on.
After Guan Peng sets, ring support 1.3 with roller 1.4 is fixed on the horizontal inclinometer pipe 1.2, every a segment distance ring support 1.3 is set, effect is the location and conveniently pushes horizontal inclinometer pipe 1.2, in horizontal inclinometer pipe 1.2 distal-most end (bottom) fixed block 1.5 is installed, walk around fixed block 1.5 with steel strand wires 1.6 in that horizontal inclinometer pipe 1.2 is interior, in the process that horizontal inclinometer pipe 1.2 is pushed deviational survey steel pipe 1.1, answer location steel twisted wire 1.6, make the one end in the left side, one end is on the right side, purpose is to avoid steel strand wires 1.6 to be intertwined in pipe, before slip casting, use in advance the horizontal inclinometer pipe 1.2 of Anchor Agent anchoring, and after slip casting, clean horizontal inclinometer pipe 1.2 inside with clear water, prevent that grout from pouring in horizontal inclinometer pipe 1.2 and causing slurries to solidify rear filling guide groove, accurately reading.
Make in advance one with the steel reinforcement cage 2.2 that pushes pulley 2.4, reinforcing rib meter 2.3 and several sections reinforcing bars are welded to form vertical dowel, and be welded on the steel reinforcement cage 2.2, push in the dynamometry steel pipe 2.1 by pushing pulley 2.4, the steel reinforcement cage 2.2 that pushes, weld a pair of reinforcing rib meter 2.3 every a segment distance, divide the upper and lower to install, and be numbered 1,2,3 ... the survey line of element passes in the steel pipe until the mouth of pipe, with after the Anchor Agent anchoring and slip casting, then according to Tunnel Construction Schedule according to certain frequency measurement reading, in order to analyze the excavation of each one to the impact of tunnel surrounding, and estimate the supporting effect of managing canopy.
After finishing above-mentioned work, utilize these device to test tunneltron canopy Support Deformation concrete operations as follows:
Step 3, two data that record of deviational survey steel pipe 1.1 interior same positions are averaged as the amount of taper of this position, be converted into sag curve on deviational survey steel pipe 1.1 length directions by the amount of taper with whole deviational survey steel pipe 1.1 diverse locations of converting, and judge the deformation of tunnel pipe shed support by this sag curve;
Step 4, judge that by the processing to reinforcing rib meter 2.3 readings that arrange in the device for measuring force 2 pipe canopy internal force is with the situation of change of constructing tunnel.
Claims (5)
1. one kind is used for the device that tunneltron canopy Support Deformation is tested, it is characterized in that: mainly consisted of by inclination measurement device (1) and device for measuring force (2), described inclination measurement device (1) is mainly by deviational survey steel pipe (1.1), horizontal inclinometer pipe (1.2) and the fixed block (1.5) that is arranged on an end in the horizontal inclinometer pipe (1.2) form, described fixed block (1.5) is provided with steel strand wires (1.6), described horizontal inclinometer pipe (1.2) exterior ring cap has ring support (1.3), and ring support (1.3) contacts with the inwall of deviational survey steel pipe (1.1) by the roller (1.4) which is provided with; Described device for measuring force (2) mainly is provided with steel reinforcement cage (2.2) formation of reinforcing rib meter (2.3) by dynamometry steel pipe (2.1) and inside, steel reinforcement cage (2.2) is arranged in the dynamometry steel pipe (2.1) by the propelling movement pulley (2.4) of its underpart; The adjacent tunnel vault that is arranged on dynamometry steel pipe (2.1) of described deviational survey steel pipe (1.1).
2. a kind of device for tunneltron canopy Support Deformation test according to claim 1, it is characterized in that: described reinforcing rib meter (2.3) is vertically welded on the inwall of steel reinforcement cage (2.2) by connecting reinforcement.
3. a kind of device for tunneltron canopy Support Deformation test according to claim 1 is characterized in that: described fixed block (1.5) is fixed on a end in the horizontal inclinometer pipe (1.2) by iron wire and steel plate.
4. a kind of device for tunneltron canopy Support Deformation test according to claim 1, it is characterized in that: described horizontal inclinometer pipe (1.2) is interference fit with ring support (1.3), and fixing by the iron wire binding between the two.
5. utilize the method for deformation test device to test tunneltron canopy Support Deformation claimed in claim 1, it is characterized in that, may further comprise the steps:
Step 1, inclination measurement device and the device for measuring force of this device is arranged adjacent each other at the tunnel vault that will monitor, and inclination measurement device is horizontally disposed with;
One end of step 2, the steel strand wires in inclination measurement device arranges horizontal inclinometer, the other end is walked around fixed block and is exposed outside, spurring exposed steel strand wires makes horizontal inclinometer move inward along the inwall of deviational survey steel pipe, reading every a horizontal inclinometer of half meter record, when treating that horizontal inclinometer moves to deviational survey steel pipe bottom, the turnover direction of exchange horizontal inclinometer and steel strand wires still spurs steel strand wires, and every half meter reading that records a horizontal inclinometer;
Step 3, two data that record of same position in the deviational survey steel pipe are averaged as the amount of taper of this position, be converted into sag curve on the deviational survey steel pipe length direction by the amount of taper with whole deviational survey steel pipe diverse location of converting, and judge the deformation of tunnel pipe shed support by this sag curve;
Step 4, by the processing of the reinforcing rib meter reading that arranges in the device for measuring force being judged pipe canopy internal force is with the situation of change of constructing tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210383380.2A CN102889874B (en) | 2012-10-11 | 2012-10-11 | Device for tunnel tube-shed support deformation testing and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210383380.2A CN102889874B (en) | 2012-10-11 | 2012-10-11 | Device for tunnel tube-shed support deformation testing and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102889874A true CN102889874A (en) | 2013-01-23 |
| CN102889874B CN102889874B (en) | 2015-04-22 |
Family
ID=47533462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210383380.2A Expired - Fee Related CN102889874B (en) | 2012-10-11 | 2012-10-11 | Device for tunnel tube-shed support deformation testing and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102889874B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780980A (en) * | 2019-03-28 | 2019-05-21 | 洛阳理工学院 | A kind of mechanical line strain measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575861A (en) * | 2009-06-01 | 2009-11-11 | 上海市第二市政工程有限公司 | Method for monitoring the settlement by using inclinometer tube |
| CN201429416Y (en) * | 2009-07-07 | 2010-03-24 | 中国水利水电科学研究院 | Automatic lifting measurement device for movable type inclinometer |
| KR20110027254A (en) * | 2009-09-10 | 2011-03-16 | 윤용수 | The waterproof in-placement inclinometer sensor mounted on abs inclinometer casing inside for direct embedded into the ground after borehole drilled |
| CN202216680U (en) * | 2011-09-11 | 2012-05-09 | 江西铜业股份有限公司 | Dam body deep displacement monitoring system |
| CN202814388U (en) * | 2012-10-11 | 2013-03-20 | 洛阳理工学院 | Device for tunnel pipe shed support deformation testing |
-
2012
- 2012-10-11 CN CN201210383380.2A patent/CN102889874B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575861A (en) * | 2009-06-01 | 2009-11-11 | 上海市第二市政工程有限公司 | Method for monitoring the settlement by using inclinometer tube |
| CN201429416Y (en) * | 2009-07-07 | 2010-03-24 | 中国水利水电科学研究院 | Automatic lifting measurement device for movable type inclinometer |
| KR20110027254A (en) * | 2009-09-10 | 2011-03-16 | 윤용수 | The waterproof in-placement inclinometer sensor mounted on abs inclinometer casing inside for direct embedded into the ground after borehole drilled |
| CN202216680U (en) * | 2011-09-11 | 2012-05-09 | 江西铜业股份有限公司 | Dam body deep displacement monitoring system |
| CN202814388U (en) * | 2012-10-11 | 2013-03-20 | 洛阳理工学院 | Device for tunnel pipe shed support deformation testing |
Non-Patent Citations (2)
| Title |
|---|
| 刘观仕等: "《测斜仪在软基路堤施工监测中的应用》", 《土工基础》 * |
| 闫超平等: "《巴赛特测斜仪技术在隧道轮廓变形监测中的应用》", 《2008年全国隧道监控量测与反分析专题研讨会论文集》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780980A (en) * | 2019-03-28 | 2019-05-21 | 洛阳理工学院 | A kind of mechanical line strain measuring device |
| CN109780980B (en) * | 2019-03-28 | 2023-09-12 | 洛阳理工学院 | Mechanical type line strain measurement device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102889874B (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106641440B (en) | A kind of transverse crossing railway line underground piping jacking construction method | |
| CN103243747B (en) | Deviation rectifying method of prestressed concrete pipe pile foundation | |
| CN109778721A (en) | Synchronization of jacking up bridge top and the bottom structure carries out the method that bridge increases transformation | |
| CN102704947B (en) | Method for designing thickness of underwater tunnel subsurface excavated construction grouting reinforcement ring | |
| CN106988750B (en) | Implementation mode of ultra-short-distance underpass of existing station of large-span interval tunnel | |
| CN108842819B (en) | Urban rail transit cable line tunnel construction method | |
| CN203337138U (en) | Traction auxiliary device of horizontal inclinometer | |
| CN103741963B (en) | A kind of workshop foundation reinforcement means | |
| CN102900076A (en) | Continuous construction method for concrete pile steel pipe column | |
| CN203132533U (en) | Roadbed settlement deformation observation device | |
| CN202814388U (en) | Device for tunnel pipe shed support deformation testing | |
| CN104674843B (en) | For the cantilevered steel reinforced concrete prestressed combined structure of reinforcement of retaining wall | |
| CN105673025A (en) | Underground engineering loess tunnel ground surface settlement control construction process | |
| CN205748469U (en) | Many Information Field monitoring systems of a kind of reservoir landslide | |
| JP2015200096A (en) | Installation method for stratified settlement gauge and stratified settlement measuring system | |
| CN109577212A (en) | A kind of pretensioned prestressing Precasting Pedestal Construction method | |
| CN113605377A (en) | Rock stratum ultra-deep steel pipe column and uplift pile combined construction process | |
| CN103615012B (en) | Steel construction self-drilling hollow anchor bars reinforces the most wired gear safeguard structure | |
| CN102889874B (en) | Device for tunnel tube-shed support deformation testing and application method thereof | |
| CN209891202U (en) | Anti-floating anchor rod | |
| CN201296932Y (en) | Segmentation prefabricating sunken outer wall and guide wall thereof | |
| CN207452602U (en) | Both wired temperature pier structure of existing railway roadbed is worn under a kind of | |
| CN110258606A (en) | Projecting wall encloses well construction | |
| CN215906845U (en) | Large-span vestibule mounting structure in foundation pit | |
| CN204283440U (en) | Shallow-depth-excavation tunnel supporting status monitoring structure |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151011 |
|
| EXPY | Termination of patent right or utility model |