CN205281948U - Analogue test device of filling behind wall of shield method construction inclined shaft section of jurisdiction - Google Patents
Analogue test device of filling behind wall of shield method construction inclined shaft section of jurisdiction Download PDFInfo
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- CN205281948U CN205281948U CN201520307137.1U CN201520307137U CN205281948U CN 205281948 U CN205281948 U CN 205281948U CN 201520307137 U CN201520307137 U CN 201520307137U CN 205281948 U CN205281948 U CN 205281948U
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Abstract
The utility model provides an analogue test device of filling behind wall of shield method construction inclined shaft section of jurisdiction, includes that arc steel sheet and steel bracket hold in the palm the pad, the arc steel sheet comprises interior arc steel sheet, outer arc steel sheet and block steel sheet, the block steel sheet along interior arc steel sheet outside and between the arc steel sheet all around the clearance on limit lay for arc steel sheet and outer arc steel sheet in connecting, the system has a plurality of slip casting holes on the interior arc steel sheet, and outside hydraulic reclamation beans gravel equipment and grouting equipment are connected to this hole, even system has a plurality of paddle holes on the block steel sheet, connects outside steady voltage pump through the inlet opening, the steel bracket holds in the palm and fills up and outer arc steel sheet rigid coupling. The utility model discloses can simulate the shield and construct at the different slopes, different sections of jurisdiction outer wall and enclose the influence of packing slip casting construction shutoff effect after the section of jurisdiction wall is constructed to the inclined shaft shield to the space between the rock -wall, different outside water pressure and water flow, different grouting material and different slip casting construction process, test device is simple and convenient, easily the operation.
Description
Technical field
This utility model relates to the field construction equipment such as a kind of colliery, railway and water conservancy, particularly to the simulation test device filled after the wall of a kind of shield construction inclined shaft section of jurisdiction.
Background technology
Shield excavation machine integrates brill, digs, protects, can effectively realize the factory operation of major long tunnel construction, it is state-of-the-art large-scale synthesis constructing tunnel equipment in the world, represent the top level of international tunnel construction technology, it is widely used in the engineering fields such as traffic, water power, mine, municipal administration, national defence in the world, now expanded to inclined shaft (or tunnel, slope) construction when heavy grade by most widely used nearly flat slope subway work, a series of new technical problem will be faced.
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 is concentrated mainly 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, geological conditions, slurry material performance, 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 engineering. Due to the complex nature of the problem, the requirement from engineering practice of the shield grouting technical research achievement still has a certain distance, slurry injection technique for heavy grade shield-tunneling construction not yet carries out systematic study, especially for physical experiments owing to shield uses the restriction of the gradient, model test is and carries out under level (or near level) condition, not yet carries out shield-tunneling construction model investigation when heavy grade.
Summary of the invention
This utility model purpose is according to above-mentioned the deficiencies in the prior art part, thering is provided the simulation test device filled after the wall of a kind of shield construction inclined shaft section of jurisdiction, this simulation test device can simulate shield impact of filling mortar depositing construction plugging effect after different gradient, the space between different section 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 conceiving, the technical solution of the utility model is:
A kind of simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction, it is characterised in that: include 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 along the gap of surrounding between arc steel plate and outer arcuate steel plate, is used for connecting arc steel plate and outer arcuate steel plate; Being shaped with multiple slip casting hole on described arc steel plate, this hole connects outside hydraulic reclamation bean gravel equipment and grouting equipment; Described block steel plate is uniformly shaped with multiple paddle hole, connects outside stabilized pressure pump by inlet opening; Described steel bracket pad is affixed with outer arcuate steel plate.
Above-mentioned arc steel plate and outer arcuate steel plate are concentric circular.
The vertical, horizontal of above-mentioned arc steel plate is respectively welded reinforcing annular floor and longitudinal reinforcement floor.
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 range of grade is 0 �㡫45 ��.
Above-mentioned steel bracket pad is made up of the not contour H profile steel of longitudinally three rows, the connecting rod of the adjacent two row's H profile steel of level connection joint and pull bar three part of the adjacent two row's H profile steel of oblique connection.
This utility model has such advantages as and good effect:
1, inside and outside curved plate of the present utility model 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, can adjust according to section of jurisdiction external diameter, and steel plate meets rigidity requirement, and outer arc steel plate radius is country rock excavation radius. Arc steel plate is arranged by section of jurisdiction piecemeal the hole being shaped with as hydraulic reclamation bean gravel and injected hole, is used for connecting outside hydraulic reclamation bean gravel equipment and grouting equipment, the position of injected 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 this utility model, outside stabilized pressure pump equipment is connected by inlet opening, the hydraulic pressure of shield-tunneling construction subsoil water can be simulated with discharge to the impact of filling effect after the wall of section of jurisdiction, wherein subsoil water hydraulic pressure can simulate and ranges for 0��30m, and discharge is 0��10m3/h��
This utility model steel bracket pad does ramp-like state, for simulating inclined shaft or the gradient in tunnel, slope.
Accompanying drawing explanation
Fig. 1 is this utility model structural plan schematic diagram.
Fig. 2 is this utility model structure front schematic view.
Fig. 3 is this utility model texture edge schematic diagram.
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.
Detailed description of the invention
As shown in Figure 1, 2, 3: the simulation test device filled after the wall of a kind of shield construction inclined shaft section of jurisdiction, including 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 circular, 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 with outer arcuate steel plate 2. For strengthening assay device stiffness, the vertical, horizontal at arc steel plate 1 is respectively welded hoop floor 5 and longitudinal floor 6. For realizing the experimental study to hydraulic reclamation bean gravel Yu grouting and reinforcing, nine apertures are opened at arc steel plate 1, i.e. slip casting hole 4, outside bean gravel hydraulic reclamation equipment can be connected and carry out bean gravel dredge fill, can also after the complete bean gravel of hydraulic reclamation, carry out mortar depositing construction, simulate the slip casting filling effect of different injecting paste material. Choose the difference of the sequence of operation 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 subsoil water with discharge to the impact of filling effect after the wall of section of jurisdiction. By qualitative evaluations such as the water outlet thing composition of three apopores 7 in downstream, colors, the erosion of injecting paste material is affected by subsurface flow.
As shown in Figure 2 and Figure 3, steel bracket pad is made up of H profile steel 8, the connecting rod 9 of the adjacent two row's H profile steel of level connection joint and pull bar 10 3 part of the adjacent two row's H profile steel of oblique connection, the connecting rod 9 of the adjacent two row's H profile steel of level connection joint and the pull bar 10 of the adjacent two row's H profile steel of oblique connection play the effect of monolithic stability steel bracket pad, H profile steel 8 is owing to supporting the load of whole test, and by the change of longitudinally three row's H profile steel 8 height, it is achieved simulating of the test gradient.
The experimental study of following two aspects can be realized finally by this assay device:
(1) test by the order of injected hole selected by the hydraulic reclamation amount of bean gravel, bean gravel hydraulic reclamation pressure, bean gravel hydraulic reclamation etc. to slope when bean gravel hydraulic reclamation effect be evaluated.
(2) on the basis of hydraulic reclamation bean gravel, stable hydraulic pressure and current are provided to the space between section of jurisdiction outer wall and country rock wall by the block steel plate artificial water source that sets, outside of connecting with holes, ramp-like state is done, it is possible to simulation shield fills the impact of mortar depositing construction plugging effect after different gradient, the space between different section 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 in conjunction with steel bracket pad.
This utility model provides stable hydraulic pressure and current by the block steel plate artificial water source that sets, outside of connecting with holes to the space between section of jurisdiction outer wall and country rock wall, ramp-like state is done in conjunction with steel bracket pad, shield can be simulated after different gradient, the space between different section 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, fill the impact of mortar depositing construction plugging effect, assay device is easy, it is easy to operation.
Claims (7)
1. the simulation test device filled after a shield construction inclined shaft section of jurisdiction wall, it is characterised in that: include 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 along the gap of surrounding between arc steel plate and outer arcuate steel plate, is used for connecting arc steel plate and outer arcuate steel plate; Being shaped with multiple slip casting hole on described arc steel plate, this hole connects outside hydraulic reclamation bean gravel equipment and grouting equipment; Described block steel plate is uniformly shaped with multiple paddle hole, connects outside stabilized pressure pump by inlet opening; Described steel bracket pad is affixed with outer arcuate steel plate.
2. the simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterised in that: above-mentioned arc steel plate and outer arcuate steel plate are concentric circular.
3. the simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterised in that: the vertical, horizontal of above-mentioned arc steel plate is respectively welded reinforcing annular floor and longitudinal reinforcement floor.
4. the simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterised in that: above-mentioned arc steel plate radius is identical with section of jurisdiction external diameter.
5. the simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterised in that: above-mentioned outer arcuate steel plate radius is country rock excavation radius.
6. the simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterised in that: above-mentioned steel bracket pad is ramp structure, and its range of grade is 0 �㡫45 ��.
7. the simulation test device filled after the wall of shield construction inclined shaft section of jurisdiction according to claim 1, it is characterised in that: above-mentioned steel bracket pad is made up of the not contour H profile steel of longitudinally three rows, the connecting rod of the adjacent two row's H profile steel of level connection joint and pull bar three part of the adjacent two row's H profile steel of oblique connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307137.1U CN205281948U (en) | 2015-05-13 | 2015-05-13 | Analogue test device of filling behind wall of shield method construction inclined shaft section of jurisdiction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307137.1U CN205281948U (en) | 2015-05-13 | 2015-05-13 | Analogue test device of filling behind wall of shield method construction inclined shaft section of jurisdiction |
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| CN205281948U true CN205281948U (en) | 2016-06-01 |
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| CN201520307137.1U Active CN205281948U (en) | 2015-05-13 | 2015-05-13 | Analogue test device of filling behind wall of shield method construction inclined shaft section of jurisdiction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034845A (en) * | 2021-06-01 | 2022-02-11 | 浙江工业大学 | Visual test device for simulating grouting of grouting holes in different positions of duct piece and test method thereof |
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2015
- 2015-05-13 CN CN201520307137.1U patent/CN205281948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034845A (en) * | 2021-06-01 | 2022-02-11 | 浙江工业大学 | Visual test device for simulating grouting of grouting holes in different positions of duct piece and test method thereof |
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