CN113027503B - Device for movably filling non-Newtonian fluid to resist impact force and construction method - Google Patents
Device for movably filling non-Newtonian fluid to resist impact force and construction method Download PDFInfo
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- CN113027503B CN113027503B CN202110314963.9A CN202110314963A CN113027503B CN 113027503 B CN113027503 B CN 113027503B CN 202110314963 A CN202110314963 A CN 202110314963A CN 113027503 B CN113027503 B CN 113027503B
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- 239000012530 fluid Substances 0.000 title claims abstract description 68
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 241000719178 Carangoides ruber Species 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a device for movably filling non-Newtonian fluid to resist impact force and a construction method, the device comprises a track for supporting the whole device, the top of the track is supported with a circular arc-shaped steel plate, the track is connected with a track engine for driving the track to act, the inner side wall of the circular arc-shaped steel plate is provided with a plurality of non-Newtonian fluid injection ports, the circular arc-shaped inner side wall of the circular arc-shaped steel plate is uniformly distributed and fixed with arched reinforcing ribs, the top of the circular arc-shaped steel plate is provided with an inflatable air bag, and the inflatable air bag is connected with an air bag inflation and deflation system. The device can resist tunnel support instability caused by the impact force and local overstress of stronger rock burst by filling non-Newtonian fluid in the steel bars through the mould.
Description
Technical Field
The invention relates to a device and a method for movably filling non-Newtonian fluid to resist impact force, in particular to a novel device capable of resisting stronger impact force compared with common steel bars by filling the non-Newtonian fluid in steel.
Background
The high-rise buildings in large cities are more and more, and meanwhile, in order to save land, the projects of fully utilizing underground space, underground buildings, tunnels and the like are greatly increased, the excavation of foundation pits corresponding to the projects is deeper and deeper, and the projects of deep foundation pits are also increased continuously. There is an increasing demand for underground space, and thus there is a rapid development in the practice and theoretical research of underground engineering. In a great deal of underground engineering practice, it is widely recognized that the core problems of tunnel and underground cavern engineering are all attributed to two key working procedures of excavation and support, namely how to excavate so as to be more beneficial to the stability and support of the cavern. In tunnel engineering, the practice and research of the core problems are surrounded, different theories are put forward by different people in different periods, and different theoretical systems are established, so that the safe tunnel supporting method and device are beneficial to strengthening the life safety of operators, and have great significance in the aspects of national infrastructure and the like.
Disclosure of Invention
The invention aims to provide a device for movably filling non-Newtonian fluid to resist impact force and a construction method.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: the utility model provides a device that non-Newtonian fluid of movable packing resisted impact force, it includes the track that is used for supporting whole device, the top of track supports has convex steel sheet, the track links to each other with the track engine that is used for driving its action, be provided with a plurality of non-Newtonian fluid filling mouths on the inside wall of convex steel sheet, the equipartition is fixed with arch steel bar on the arc inside wall of convex steel sheet, the top of convex steel sheet is provided with the inflatable bag, the inflatable bag links to each other with the gasbag inflation gas system.
The circular arc steel plate is of a double-layer hollow closed steel bar structure, is a bearing core of the whole frame structure, and can be marked as alpha according to the radian of the circular arc, and different radians alpha can be customized according to the structure of the tunnel.
The track adopts a flexible chain link track.
The track engine adopts a full hydraulic engine, provides power for the track, and is connected with the whole upper device.
A plurality of steel bar jacks are processed on the arched steel bar, steel bars are installed on the steel bar jacks in a penetrating mode, and nuts are fixedly installed at two ends of the steel bars.
The bottom ends of the arched reinforcing bars are connected with the crawler engine, and the upper parts of the arched reinforcing bars are connected with the circular arc-shaped steel plates through screw holes and bolts.
The non-Newtonian fluid injection port is a switchable reserved hole site for injecting and extracting the non-Newtonian fluid, and the switch is controlled by a large screw.
The air bag inflation and deflation system comprises an inflation hole arranged on the inflation air bag, the inflation hole is connected with the air compressor through an air pipe and a one-way valve, and the inflation air bag is bound at the uppermost part of the integral device through a pull ring by using a rope.
And the inner part of the circular arc-shaped steel plate is filled with non-Newtonian fluid filler.
A method of constructing a device for removably filling a non-newtonian fluid against an impact force, comprising the steps of:
step1: preparing materials: preparing a circular arc-shaped steel plate, a track engine, a steel bar jack, an arch-shaped steel bar, a non-Newtonian fluid injection port, steel bars, screw holes, an inflatable air bag, an inflatable hole, a non-Newtonian fluid filler, a large screw, an air compressor, a one-way valve, a pull ring and a screw cap;
step2: assembling a power component, namely placing the crawler engine and the crawler at the bottommost part of other parts to be assembled for later use after the crawler engine and the crawler are assembled;
step3: assembling a bearing component, namely enabling single arched steel bars to correspond to screw holes in the circular arc-shaped steel plates one by one, and fixing each screw hole by using a screw to ensure that the arched steel bars and the circular arc-shaped steel plates can be firmly linked together;
step4: inserting the steel bars into the reserved steel bar insertion holes on the arched steel bars, and then screwing up the excessive parts at the two ends of the steel bars through nuts to ensure that the steel bars do not slip from the holes;
step5: the inflatable air bag is bound at the uppermost part of the whole device through a thick rope by a pull ring, an air bag inflation and deflation system consisting of an air compressor and a one-way valve can be placed aside for standby, and finally, a power part and a bearing part are combined together to complete the assembly of the whole device;
step6: when the device is supported on site, after the device moves to a place needing to be supported, the air compressor is connected with an air charging hole of an air charging bag, the air compressor is opened to charge air until the air charging bag is attached to the top end of a tunnel without obvious gap, and a one-way valve is opened to prevent air leakage; opening a large screw of the non-Newtonian fluid filling opening, injecting the prepared non-Newtonian fluid filler into the circular arc-shaped steel plate, wherein the filling amount is more than 95%, and finally, fully screwing the non-Newtonian fluid filling opening by the large screw to ensure that the non-Newtonian fluid filler is not exposed, and repeating Step6 operation when the non-Newtonian fluid filler arrives at the next construction site;
step7: if the rock burst or the tunnel collapse occurs, the device can effectively resist the huge impact force caused by the rock burst, prevent constructors from being injured and killed, and open the non-Newtonian fluid injection port to be flushed with the activation hardening agent inwards after the site is stable, so that the non-Newtonian fluid filler is hardened, the frame structure is more stable, and secondary accidents are prevented from occurring at the accident site.
The invention has the following beneficial effects:
1. the device can manufacture parts with different sizes according to engineering conditions, can be disassembled for multiple times and has wide application range.
2. The device can disperse the impact force on the common reinforcement frame, so that the stress is more uniform, the stress of a single point becomes very small, and the safety of a construction site is greatly enhanced.
3. The device can fill non-Newtonian fluid in the empty layer of the component, thereby achieving the impact-resistant effect and saving the steel cost.
4. According to the device, the steel pipe and the circular arc steel plate are reserved with hole sites, so that non-Newtonian fluid can be filled at any time, and the shock resistance of the steel pipe is improved.
5. The steel material in the grid structure of the device is filled with non-Newtonian fluid, so that the impact resistance of the whole structure of the device is improved.
6. The device resists the rock burst of the tunnel, can effectively prevent and control the huge impact force when the rock burst occurs, and protects the safety of field personnel.
7. The steel plate of the device is arranged into double layers, plays a role in heat insulation and temperature isolation, prevents water loss, and protects the characteristics of non-Newtonian fluid from being influenced.
8. Besides external support, the invention can drill holes and open grooves in the rock mass, and then special reinforcing steel bars which are injected with non-Newtonian fluid in the device are implanted into the grooves, so that the effect of direct support can be achieved.
9. The invention can mix the non-Newtonian fluid by adding magnetic powder into asphalt, thus not only increasing the viscosity of the non-Newtonian fluid, but also achieving the electromagnetic shielding effect.
10. The invention adopts asphalt material as main non-Newtonian fluid material, and after the frame receives impact force, an activation hardener can be injected into the reserved hole site to harden the non-Newtonian fluid, so as to prevent subsequent collapse.
11. The non-Newtonian fluid of the device has the function of enabling the forces acting on the rock mass and the device to be uniformly transferred to various parts, and preventing local damage caused by stress concentration.
12. The device can be used for moving support along with the tunnel excavation process, so that more timely guarantee is provided for construction safety.
13. The crawler engine of the device adopts crawler type movement, and compared with the contact area between the tire crawler and the ground, the crawler type movement device reduces the pressure intensity between the device and the ground, and ensures the bottom and the overall stability of the device.
14. The device is equipped with the pocket formula structure in the top, and the pocket formula structure has fine wear resistance, and the pocket formula structure is not inflated state at ordinary times, inflates the gasbag when reaching the section of need support to gasbag and tunnel top contact, waits to be full of the inhomogeneous surface of outer wall on the tunnel, can prevent and treat like this that the uneven atress leads to the too big phenomenon of device certain department pressure when taking place the rock burst.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a front view of the entire apparatus.
Fig. 2 is a bottom view of the device as a whole.
Fig. 3 is a left side view of the device as a whole.
Fig. 4 is a detailed view of the device track and track engine.
Fig. 5 is a detail view of the arched reinforcement bar of the device.
Fig. 6 is a detailed view of the circular arc-shaped steel plate of the device.
In the figure: the tire comprises a circular arc-shaped steel plate 1, a track 2, a track engine 3, a steel bar inserting hole 4, an arc-shaped steel bar 5, a non-Newtonian fluid injection hole 6, steel bars 7, screw holes 8, an inflatable airbag 9, an inflatable hole 10, a non-Newtonian fluid filler 11, a large screw 12, an air compressor 13, a one-way valve 14, a pull ring 15 and a screw cap 16.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-6, a device for movably filling non-newton fluid to resist impact force comprises a track 2 for supporting the whole device, wherein the top of the track 2 is supported with a circular arc-shaped steel plate 1, the track 2 is connected with a track engine 3 for driving the track to act, a plurality of non-newton fluid injection ports 6 are arranged on the inner side wall of the circular arc-shaped steel plate 1, arch-shaped steel bars 5 are uniformly distributed and fixed on the inner side wall of the circular arc-shaped steel plate 1, the top of the circular arc-shaped steel plate 1 is provided with an inflatable air bag 9, and the inflatable air bag 9 is connected with an air bag inflation and deflation system.
Furthermore, the circular arc steel plate 1 is a double-layer hollow closed steel bar structure, is a bearing core of the whole frame structure, and has circular arc radian marked as alpha, so that different radians alpha can be customized according to the structure of the tunnel.
Further, the track 2 is a flexible chain link track. The device aims to increase the stress area between the whole device and the ground to reduce the pressure, and ensure that the device does not sink into the ground to ensure the normal operation of the device when the device receives rock burst.
Further, the crawler engine 3 adopts a full hydraulic engine, and provides power to the crawler 2, and is a member integrally connected to the upper device.
Further, a plurality of steel bar insertion holes 4 are formed in the arched steel bar 5, steel bars 7 are installed on the steel bar insertion holes 4 in a penetrating mode, and nuts 16 are fixedly installed at two ends of the steel bars 7. The purpose of the bars 7 is to allow the bars to be inserted therein so that the individual arched reinforcing bars form a single unit, and the inserted bars placed transversely also increase the bending strength of the unit as a whole. The purpose of the nut 16 is that the nut tightens the excess portion of the bar at both ends, ensuring that the bar does not slip out of the hole.
Further, the bottom ends of the arched reinforcing bars 5 are connected with the crawler engine 3, and the upper parts of the arched reinforcing bars are connected with the circular arc-shaped steel plates 1 through screw holes 8 and bolts.
Further, the non-newtonian fluid injection port 6 is a switchable reserved hole site for injecting and extracting non-newtonian fluid, which is controlled to be switched by a large screw 12. The purpose is to be able to add and replace the non-Newtonian fluid filling at any time.
Further, the air bag inflation and deflation system comprises an inflation hole 10 arranged on the inflatable air bag 9, the inflation hole 10 is connected with the air compressor 13 through an air pipe and a one-way valve 14, and the inflatable air bag 9 is bound at the uppermost part of the whole device through a pull ring 15 by using a thick rope. Wherein the air bag has good wear resistance and scratch resistance and is not easy to break. The utility model aims at that the bag type structure is not inflated at ordinary times, when reaching the section that needs to be strutted, inflates the gasbag to gasbag and tunnel top contact, wait to be full of the inhomogeneous surface of outer wall on the tunnel, can guarantee like this that the pressure above the tunnel can even transfer to the device frame on, prevent that the inhomogeneous atress from leading to the too big phenomenon of device pressure in a department when taking place the rock burst.
Further, the circular arc-shaped steel plate 1 is internally filled with a non-newton fluid filler 11.
Furthermore, the non-Newtonian fluid filler is prepared from asphalt serving as a main material accounting for 60% of the total proportion of the material, and can be added with solid mixtures such as sand, magnetic powder, stones and the like, and the purpose is to change the viscosity of the filler by injecting different additives externally so as to meet the supporting requirements under different working conditions.
Example 2:
a method of constructing a device for removably filling a non-newtonian fluid against an impact force, comprising the steps of:
step1: preparing materials: preparing a circular arc-shaped steel plate 1, a track 2, a track engine 3, a steel bar jack 4, an arch-shaped steel bar 5, a non-Newtonian fluid injection port 6, steel bars 7, screw holes 8, an inflatable airbag 9, an inflatable hole 10, a non-Newtonian fluid filler 11, a large screw 12, an air compressor 13, a one-way valve 14, a pull ring 15 and a screw cap 16;
step2: assembling a power part, namely placing the crawler engine 3 and the crawler 2 at the bottommost part of other parts to be assembled for standby after the crawler engine and the crawler 2 are assembled;
step3: assembling a bearing component, namely enabling single arched steel bars 5 to correspond to screw holes 8 on the circular arc-shaped steel plates 1 one by one, and fixing each screw hole 8 by using a screw to ensure that the arched steel bars 5 and the circular arc-shaped steel plates 1 can be firmly linked together;
step4: the steel bars 7 are inserted into the steel bar insertion holes 4 reserved on the arched steel bars 5, and then the excessive parts at the two ends of the steel bars 7 are screwed up through nuts 16, so that the steel bars 7 are prevented from slipping out of the holes;
step5: the inflatable air bag 9 is bound at the uppermost part of the whole device through a pull ring 15 by using a thick rope, an air bag inflation and deflation system consisting of an air compressor 13 and a one-way valve 14 can be placed aside for standby, and finally, a power component and a bearing component are combined together to complete the assembly of the whole device;
step6: when the device is supported on site, after the device moves to a place needing to be supported, the air compressor 13 is connected with the air charging hole 10 of the air charging bag, the air compressor 13 is opened to charge air until no obvious gap exists between the air charging bag and the top end of the tunnel, and the one-way valve 14 is opened to stop air leakage; opening a large screw of the non-Newtonian fluid filling opening 6, injecting the prepared non-Newtonian fluid filling 11 into the circular arc-shaped steel plate 1, wherein the filling amount is more than 95%, and finally, fully screwing the non-Newtonian fluid filling opening 6 by using the large screw 12 to ensure that the non-Newtonian fluid filling 11 is not exposed, and repeating Step6 operation when reaching the next construction site;
step7: if the device can effectively resist the huge impact force caused by rock burst or tunnel collapse, prevent constructors from being injured or killed, and after the site is stable, the non-Newtonian fluid filling opening 6 can be opened to be flushed with the activation hardening agent inwards, so that the non-Newtonian fluid filling 11 is hardened, the frame structure is more stable, and secondary accidents are prevented from occurring at the accident site.
Claims (5)
1. A device for removably filling a non-newtonian fluid against an impact force, comprising: the device comprises a crawler belt (2) for supporting the whole device, wherein the top of the crawler belt (2) is supported with a circular arc-shaped steel plate (1), the crawler belt (2) is connected with a crawler engine (3) for driving the crawler belt to act, a plurality of non-Newtonian fluid injection ports (6) are formed in the inner side wall of the circular arc-shaped steel plate (1), arch-shaped steel bars (5) are uniformly distributed and fixed on the inner side wall of the circular arc-shaped steel plate (1), the top of the circular arc-shaped steel plate (1) is provided with an inflatable air bag (9), and the inflatable air bag (9) is connected with an air bag inflation and deflation system;
the circular arc steel plate (1) is a double-layer hollow closed steel bar structure, is a bearing core of the whole frame structure, and has circular arc radian which is marked as alpha, so that different radians alpha can be customized according to the structure of the tunnel;
the crawler belt (2) adopts a flexible chain ring crawler belt;
the crawler engine (3) adopts a full hydraulic engine, provides power for the crawler (2) and is connected with the whole upper device;
the bottom end of the arched reinforcing rib (5) is connected with the crawler engine (3), and the upper part of the arched reinforcing rib is connected with the circular arc-shaped steel plate (1) through screw holes (8) and bolts;
the air bag inflation and deflation system comprises an inflation hole (10) arranged on an inflatable air bag (9), the inflation hole (10) is connected with an air compressor (13) through an air pipe and a one-way valve (14), and the inflatable air bag (9) is bound at the uppermost part of the whole device through a pull ring (15) by using a rope.
2. A device for removably filling a non-newtonian fluid against an impact force according to claim 1, wherein: a plurality of steel bar jacks (4) are processed on the arched steel bar (5), steel bars (7) are installed on the steel bar jacks (4) in a penetrating mode, and nuts (16) are fixedly installed at two ends of the steel bars (7).
3. A device for removably filling a non-newtonian fluid against an impact force according to claim 1, wherein: the non-Newtonian fluid injection port (6) is a switchable reserved hole site for injecting and extracting non-Newtonian fluid, and the switch is controlled by a large screw (12).
4. A device for removably filling a non-newtonian fluid against an impact force according to claim 1, wherein: the arc-shaped steel plate (1) is internally filled with a non-Newtonian fluid filler (11).
5. A method of construction using the device for removably filling a non-newtonian fluid against impact force according to any one of claims 1-4, comprising the steps of:
step1: preparing materials: preparing a circular arc-shaped steel plate (1), a crawler (2), a crawler engine (3), a steel bar jack (4), an arch-shaped steel bar (5), a non-Newtonian fluid injection port (6), steel bars (7), screw holes (8), an inflatable air bag (9), an inflatable hole (10), a non-Newtonian fluid filler (11), a large screw (12), an air compressor (13), a one-way valve (14), a pull ring (15) and a screw cap (16);
step2: assembling a power part, namely placing the crawler engine (3) and the crawler (2) at the lowest part of other parts to be assembled for standby after the crawler engine and the crawler (2) are assembled;
step3: assembling a bearing part, namely enabling single arched steel bars (5) to correspond to screw holes (8) on the circular arc-shaped steel plate (1) one by one, and fixing each screw hole (8) by using a screw to ensure that the arched steel bars (5) and the circular arc-shaped steel plate (1) can be firmly linked together;
step4: inserting the steel bars (7) into the reserved steel bar insertion holes (4) on the arched steel bar (5), and then screwing up the excessive parts at the two ends of the steel bars (7) through nuts (16) to ensure that the steel bars (7) do not slip from the holes;
step5: the inflatable air bag (9) is bound at the uppermost part of the whole device through a pull ring (15) by using a thick rope, an air bag inflation and deflation system consisting of an air compressor (13) and a one-way valve (14) can be placed aside for standby, and finally, a power component and a bearing component are combined together to complete the assembly of the whole device;
step6: when the device is supported on site, after the device moves to a place needing to be supported, an air compressor (13) is connected with an air charging hole (10) of an air charging air bag, the air compressor (13) is opened to charge air until the air bag is attached to the top end of a tunnel without obvious gap, and a one-way valve (14) is opened to prevent air leakage; opening a large screw of the non-Newtonian fluid injection opening (6), injecting the prepared non-Newtonian fluid filler (11) into the circular arc-shaped steel plate (1), wherein the filling amount is more than 95%, and finally, fully screwing the non-Newtonian fluid injection opening (6) by using the large screw (12), so that the non-Newtonian fluid filler (11) is not exposed, and repeating Step6 operation when reaching the next construction site;
step7: if the device can effectively resist the huge impact force caused by rock burst or tunnel collapse, prevent constructors from being crushed and casualty, and the non-Newtonian fluid filling opening (6) can be opened to be flushed with an activation hardening agent inwards after the site is stable, so that the non-Newtonian fluid filling (11) is hardened to enable the frame structure to be more stable, and secondary accidents at the accident site are prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314963.9A CN113027503B (en) | 2021-03-24 | 2021-03-24 | Device for movably filling non-Newtonian fluid to resist impact force and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314963.9A CN113027503B (en) | 2021-03-24 | 2021-03-24 | Device for movably filling non-Newtonian fluid to resist impact force and construction method |
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| Publication Number | Publication Date |
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| CN113027503A CN113027503A (en) | 2021-06-25 |
| CN113027503B true CN113027503B (en) | 2023-09-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113446040B (en) * | 2021-07-21 | 2022-11-18 | 安徽理工大学 | Filling expansion type roadway support device and construction method |
| CN113565527B (en) * | 2021-09-27 | 2022-01-04 | 中国科学院地质与地球物理研究所 | Tunnel protection structure suitable for activity rupture zone and high ground stress district |
| CN114320402B (en) * | 2021-12-09 | 2023-06-20 | 中铁建大桥工程局集团第五工程有限公司 | Dangerous rock protection device at top of flood discharge tunnel body |
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