CN104900132A - Simulated test device of shield method construction inclined well tube sheet filling behind lining - Google Patents
Simulated test device of shield method construction inclined well tube sheet filling behind lining Download PDFInfo
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- CN104900132A CN104900132A CN201510242390.8A CN201510242390A CN104900132A CN 104900132 A CN104900132 A CN 104900132A CN 201510242390 A CN201510242390 A CN 201510242390A CN 104900132 A CN104900132 A CN 104900132A
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- steel plate
- test device
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- filling
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The invention provided a simulated test device of shield method construction inclined well tube sheet filling behind lining. The device comprises a curved steel plate and a steel support cushioning. The curved steel plate is formed by an inner curved steel plate, an outer curved steel plate and a sealing and blocking steel plate. The sealing and blocking steel plate is arranged in the gap of the periphery between the inner curved steel plate and the outer curved steel plate and is used for connecting the inner curved steel plate and the outer curved steel plate. The inner curved steel plate is provided with a plurality of grouting holes which are connected to an external gravel blow and fill device and a grouting device. The sealing and blocking steel plate is provided with a plurality of water inlet and outlet holes and is connected to an external pressure stabilizing pump through the water inlet holes. The steel support cushioning is fixedly connected to the outer curved steel plate. According to the device, the influence of shield on an inclined well shield tube sheet filling and grouting behind lining construction sealing effect in different slopes, the gap between different tube sheet outer wall and wall rocks, different external water pressures and water flows, different grouting materials and different grouting construction procedures can be simulated, and the test device is simple and easy to operate.
Description
Technical field
The present invention relates to the field construction equipment such as a kind of colliery, railway and water conservancy, the simulation test device of particularly filling after the wall of a kind of shield construction inclined shaft section of jurisdiction.
Background technology
Shield excavation machine integrates brill, digs, protects, effectively can realize the factory operation of major long tunnel construction, state-of-the-art large-scale synthesis constructing tunnel equipment in the world, represent the highest level of international tunnel construction technology, be widely used in the world in the engineering fields such as traffic, water power, mine, municipal administration, national defence, the inclined shaft (or tunnel, slope) now expanded under heavy grade condition by most widely used nearly flat slope subway work is constructed, and will face a series of new technical matters.
For filling technique after the wall of shield method shield tail space, domestic and international many experts and scholars have carried out series of studies with methods such as field measurement and empirical method, physical experiments, numerical analyses.Research mainly concentrates on the optimization of injecting paste material proportioning, synchronization slip casting construction technology innovation, grouting pressure and grouting amount to aspects such as the detections of surrounding enviroment impact assessment slip casting effect.The factors such as engine request, geologic condition, slurry wood property energy, grouting process, cost of tackling in shield-tunneling construction consider, select suitable injecting paste material and Construction technology of Pouring cement mortar, and in conjunction with the reality of concrete engineering, carry out improving and reforming to existing injecting paste material and slurry injection technique, to meet the requirement of underground works.Due to the complex nature of the problem, shield grouting technical research achievement still has a certain distance apart from the requirement of engineering practice, slurry injection technique for heavy grade shield-tunneling construction not yet carries out systematic study, particularly for the restriction of physical experiments due to the shield structure use gradient, model test is carried out under being level (or near level) condition, not yet carries out shield-tunneling construction model investigation under heavy grade condition.
Summary of the invention
The present invention seeks to according to above-mentioned the deficiencies in the prior art part, the simulation test device of filling after providing a kind of shield construction inclined shaft section of jurisdiction wall, this simulation test device can simulate the impact that shield structure fills mortar depositing construction plugging effect after different gradient, space between different sections of jurisdiction outer wall and country rock wall, different outside hydraulic pressure and water flow and different injecting paste material and different mortar depositing construction operation are on inclined shaft shield duct piece wall.
As above conceive, technical scheme of the present invention is:
A simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction, is characterized in that: comprise curved plate and steel bracket pad; Described curved plate is made up of arc steel plate, outer arcuate steel plate and block steel plate, and block steel plate is laid, for connecting arc steel plate and outer arcuate steel plate along the gap of surrounding between arc steel plate and outer arcuate steel plate; Described arc steel plate is shaped with multiple slip casting hole, and this hole connects outside hydraulic reclamation beans gravel equipment and grouting equipment; Described block steel plate is evenly shaped with multiple paddle hole, connects outside stabilized pressure pump by inlet opening; Described steel bracket pad and outer arcuate steel plate affixed.
Above-mentioned arc steel plate and outer arcuate steel plate are concentric circles.
The vertical, horizontal of above-mentioned arc steel plate is welded with reinforcing annular floor and longitudinal reinforcement floor respectively.
Above-mentioned arc steel plate radius is identical with section of jurisdiction external diameter.
Above-mentioned outer arcuate steel plate radius is country rock excavation radius.
Above-mentioned steel bracket pad is ramp structure, and its gradient scope is 0 ° ~ 45 °.
Above-mentioned steel bracket pad is made up of pull bar three part of the connecting link that longitudinally three arrange not contour H profile steel, level connection joint adjacent two arranges H profile steel two row's H profile steel adjacent with oblique connection.
The present invention has following advantage and good effect:
1, inside and outside curved plate of the present invention simulates shield duct piece outer wall and stratum country rock wall respectively, and arc steel plate radius is identical with section of jurisdiction external diameter, and can adjust according to section of jurisdiction external diameter, steel plate meets rigidity requirement, and outer arc steel plate radius is country rock excavation radius.Arc steel plate being arranged by section of jurisdiction piecemeal the hole be shaped with as hydraulic reclamation beans gravel and grouting hole, for connecting outside hydraulic reclamation beans gravel equipment and grouting equipment, the position of grouting hole on the piecemeal of different sections of jurisdiction can be simulated respectively.
2, the band paddle hole block steel plate of the inside and outside curved plate surrounding of the present invention, outside stabilized pressure pump equipment is connected by inlet opening, the hydraulic pressure of shield-tunneling construction underground water and discharge can be simulated on the impact of filling effect after the wall of section of jurisdiction, wherein underground water hydraulic pressure can simulate scope is 0 ~ 30m, and discharge is 0 ~ 10m
3/ h.
Steel bracket pad of the present invention does ramp-like state, for simulating the gradient in inclined shaft or tunnel, slope.
Accompanying drawing explanation
Fig. 1 is structural plan of the present invention schematic diagram.
Fig. 2 is structure front schematic view of the present invention.
Fig. 3 is texture edge schematic diagram of the present invention.
In figure: 1, inner arc steel plate; 2, outer arc steel plate; 3, block steel plate; 4, slip casting hole; 5, hoop floor; 6, longitudinal floor; 7, paddle hole; 8, H profile steel; 9, channel-section steel connects; 10, pull bar.
Embodiment
As shown in Figure 1, 2, 3: the simulation test device of filling after the wall of a kind of shield construction inclined shaft section of jurisdiction, comprise curved plate and steel bracket pad, curved plate is made up of arc steel plate, outer arcuate steel plate and block steel plate.Arc steel plate 1 and outer arcuate steel plate 2 are concentric circles, the internal diameter of arc steel plate 1 is section of jurisdiction external diameter, the spacing of arc steel plate 1 and outer arcuate steel plate 2 is the space between section of jurisdiction outer wall and country rock wall, its spacing is the width of block steel plate 3, block steel plate 3 is arranged along the edge of arc steel plate 1, outer arcuate steel plate 2, and plays the effect connecting arc steel plate 1 and outer arcuate steel plate 2.For strengthening test unit stiffness, be welded with hoop floor 5 and longitudinal floor 6 respectively in the vertical, horizontal of arc steel plate 1.For realizing the experimental study to hydraulic reclamation beans gravel and grouting and reinforcing, nine apertures are opened at arc steel plate 1, i.e. slip casting hole 4, outside beans gravel hydraulic reclamation equipment can be connected and carry out beans gravel dredge fill, also can after the complete beans gravel of hydraulic reclamation, carry out mortar depositing construction, simulate the slip casting filling effect of different injecting paste material.Choose the difference of sequence of events according to nine slip casting holes, the influence research of working procedure can be carried out.
As shown in Figure 2, on the block steel plate 3 of two domatic tangent planes up and down of testing equipment, open three paddle holes 7 respectively, connect outside stabilized pressure pump equipment by inlet opening 7, simulate the hydraulic pressure of shield-tunneling construction underground water and discharge to the impact of filling effect after the wall of section of jurisdiction.By the qualitative evaluation such as water outlet thing composition, color of three apopores 7 in downstream, groundwater flow is affected the erosion of injecting paste material.
As shown in Figure 2 and Figure 3, steel bracket pad is made up of pull bar 10 3 part of connecting link 9 two row's H profile steel adjacent with oblique connection of H profile steel 8, the adjacent two row's H profile steel of level connection joint, the pull bar 10 of the connecting link 9 two row H profile steel adjacent with oblique connection of the adjacent two row's H profile steel of level connection joint plays the effect of monolithic stability steel bracket pad, H profile steel 8 is owing to supporting the load of whole test, and by longitudinally three row's H profile steel 8 changes highly, realize simulating of the test gradient.
The experimental study of following two aspects can be realized finally by this test unit:
(1) test is evaluated beans gravel hydraulic reclamation effect under the condition of slope by the order etc. of grouting hole selected by the hydraulic reclamation amount to beans gravel, beans gravel hydraulic reclamation pressure, beans gravel hydraulic reclamation.
(2) on the basis of hydraulic reclamation beans gravel, set water source by block steel plate connection with holes outside artificial and provide stable hydraulic pressure and current to the space between section of jurisdiction outer wall and country rock wall, do ramp-like state in conjunction with steel bracket pad, the impact that shield structure fills mortar depositing construction plugging effect after different gradient, the space between different sections of jurisdiction outer wall and country rock wall, different external water pressure and water flow, different injecting paste material and different mortar depositing construction operation are on inclined shaft shield duct piece wall can be simulated.
The present invention sets water source by block steel plate connection with holes outside artificial and provides stable hydraulic pressure and current to the space between section of jurisdiction outer wall and country rock wall, ramp-like state is done in conjunction with steel bracket pad, the impact that shield structure fills mortar depositing construction plugging effect after different gradient, the space between different sections of jurisdiction outer wall and country rock wall, different external water pressure and water flow, different injecting paste material and different mortar depositing construction operation are on inclined shaft shield duct piece wall can be simulated, test unit is easy, is easy to operation.
Claims (7)
1. a simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction, is characterized in that: comprise curved plate and steel bracket pad; Described curved plate is made up of arc steel plate, outer arcuate steel plate and block steel plate, and block steel plate is laid, for connecting arc steel plate and outer arcuate steel plate along the gap of surrounding between arc steel plate and outer arcuate steel plate; Described arc steel plate is shaped with multiple slip casting hole, and this hole connects outside hydraulic reclamation beans gravel equipment and grouting equipment; Described block steel plate is evenly shaped with multiple paddle hole, connects outside stabilized pressure pump by inlet opening; Described steel bracket pad and outer arcuate steel plate affixed.
2. the simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, is characterized in that: above-mentioned arc steel plate and outer arcuate steel plate are concentric circles.
3. the simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, is characterized in that: the vertical, horizontal of above-mentioned arc steel plate is welded with reinforcing annular floor and longitudinal reinforcement floor respectively.
4. the simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, is characterized in that: above-mentioned arc steel plate radius is identical with section of jurisdiction external diameter.
5. the simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, is characterized in that: above-mentioned outer arcuate steel plate radius is country rock excavation radius.
6. the simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterized in that: above-mentioned steel bracket pad is ramp structure, its gradient scope is 0 ° ~ 45 °.
7. the simulation test device of filling after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, is characterized in that: above-mentioned steel bracket pad is made up of pull bar three part of the connecting link that longitudinally three arrange not contour H profile steel, level connection joint adjacent two arranges H profile steel two row's H profile steel adjacent with oblique connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510242390.8A CN104900132A (en) | 2015-05-13 | 2015-05-13 | Simulated test device of shield method construction inclined well tube sheet filling behind lining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510242390.8A CN104900132A (en) | 2015-05-13 | 2015-05-13 | Simulated test device of shield method construction inclined well tube sheet filling behind lining |
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| CN104900132A true CN104900132A (en) | 2015-09-09 |
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| CN201510242390.8A Pending CN104900132A (en) | 2015-05-13 | 2015-05-13 | Simulated test device of shield method construction inclined well tube sheet filling behind lining |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198505A (en) * | 2018-03-01 | 2018-06-22 | 西南交通大学 | A kind of shield formula TBM tunnels beans gravel construction simulation device |
| CN112302683A (en) * | 2020-10-26 | 2021-02-02 | 昆山市建设工程质量检测中心 | Model manufacturing method for simulating shield segment wall post-grouting defect |
| CN113643603A (en) * | 2021-08-05 | 2021-11-12 | 山东科技大学 | Separated roadway physical experiment model structure, manufacturing assistive tool and manufacturing method |
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| CN1932244A (en) * | 2006-09-28 | 2007-03-21 | 上海隧道工程股份有限公司 | Construction method for double-circular shield near-distance passing through building or structure |
| CN201705365U (en) * | 2010-04-07 | 2011-01-12 | 中国石油天然气集团公司 | Duct piece structure of shield tunnel through mouth |
| CN203053967U (en) * | 2012-11-28 | 2013-07-10 | 中国石油天然气集团公司 | Simulation device for shield tunnel mortar back-filling test |
| CN103206229A (en) * | 2013-04-23 | 2013-07-17 | 上海盾构设计试验研究中心有限公司 | Working well-free heading machine synchronous grouting simulation test platform |
| CN103852574A (en) * | 2012-11-28 | 2014-06-11 | 中国石油天然气集团公司 | Simulation apparatus of shield tunnel backfill grouting experiment, and use method thereof |
| CN103913289A (en) * | 2012-12-31 | 2014-07-09 | 同济大学 | Simulating system used for shield tunnel synchronous grouting test and test method thereof |
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2015
- 2015-05-13 CN CN201510242390.8A patent/CN104900132A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932244A (en) * | 2006-09-28 | 2007-03-21 | 上海隧道工程股份有限公司 | Construction method for double-circular shield near-distance passing through building or structure |
| CN201705365U (en) * | 2010-04-07 | 2011-01-12 | 中国石油天然气集团公司 | Duct piece structure of shield tunnel through mouth |
| CN203053967U (en) * | 2012-11-28 | 2013-07-10 | 中国石油天然气集团公司 | Simulation device for shield tunnel mortar back-filling test |
| CN103852574A (en) * | 2012-11-28 | 2014-06-11 | 中国石油天然气集团公司 | Simulation apparatus of shield tunnel backfill grouting experiment, and use method thereof |
| CN103913289A (en) * | 2012-12-31 | 2014-07-09 | 同济大学 | Simulating system used for shield tunnel synchronous grouting test and test method thereof |
| CN103206229A (en) * | 2013-04-23 | 2013-07-17 | 上海盾构设计试验研究中心有限公司 | Working well-free heading machine synchronous grouting simulation test platform |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198505A (en) * | 2018-03-01 | 2018-06-22 | 西南交通大学 | A kind of shield formula TBM tunnels beans gravel construction simulation device |
| CN108198505B (en) * | 2018-03-01 | 2023-10-03 | 西南交通大学 | Shield type TBM tunnel bean gravel construction simulation device |
| CN112302683A (en) * | 2020-10-26 | 2021-02-02 | 昆山市建设工程质量检测中心 | Model manufacturing method for simulating shield segment wall post-grouting defect |
| CN113643603A (en) * | 2021-08-05 | 2021-11-12 | 山东科技大学 | Separated roadway physical experiment model structure, manufacturing assistive tool and manufacturing method |
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