CN113027503A - Movable device for filling non-Newtonian fluid to resist impact force and construction method - Google Patents
Movable device for filling non-Newtonian fluid to resist impact force and construction method Download PDFInfo
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- CN113027503A CN113027503A CN202110314963.9A CN202110314963A CN113027503A CN 113027503 A CN113027503 A CN 113027503A CN 202110314963 A CN202110314963 A CN 202110314963A CN 113027503 A CN113027503 A CN 113027503A
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- 239000012530 fluid Substances 0.000 title claims abstract description 74
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 79
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 239000011435 rock Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 241000719178 Carangoides ruber Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 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
- 238000009413 insulation Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 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 movable non-Newtonian fluid filling impact force resisting device and a construction method, wherein the device comprises a crawler belt for supporting the whole device, the top of the crawler belt supports an arc-shaped steel plate, the crawler belt is connected with a crawler belt engine for driving the crawler belt to act, the inner side wall of the arc-shaped steel plate is provided with a plurality of non-Newtonian fluid injection ports, the arc-shaped inner side wall of the arc-shaped steel plate is uniformly and fixedly provided with arc-shaped reinforcing steel bars, the top of the 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 the impact force and the over-high local stress caused by stronger rock burst through filling non-Newtonian fluid in the reinforcing steel bars by the mould, so that the tunnel support is unstable.
Description
Technical Field
The invention relates to a movable device and a method for filling non-Newtonian fluid to resist impact force, in particular to a novel device which can resist stronger impact force compared with common steel bars by filling the non-Newtonian fluid in steel.
Background
The high-rise buildings in the large cities are more and more, meanwhile, in order to save land, the underground space, the underground buildings, the tunnels and other projects are greatly increased, the corresponding foundation pit excavation is deeper and deeper, and the deep foundation pit projects are also increased continuously. The demand for underground space is increasing, and therefore, the practical and theoretical research on underground engineering is developed rapidly. In a large number of underground engineering practices, people generally recognize that the core problems of tunnel and underground cavern engineering are ascribed to two key procedures of excavation and supporting, namely, how to excavate can be more beneficial to the stability of the cavern and convenient to support. In tunnel engineering, around the practice and research of core problems, different people put forward different theories and establish different theoretical systems at different periods, so that the safe tunnel supporting method and the safe tunnel supporting device are beneficial to enhancing the life safety of workers, and have great significance to aspects such as national infrastructure and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a movable device for filling non-Newtonian fluid to resist impact force and a construction method, and provides the device and the method for filling the non-Newtonian fluid to resist the impact force, aiming at the problem of how to measure the side resistance and the end resistance of a pile at low cost in the existing engineering.
In order to achieve the technical features, the invention is realized as follows: the utility model provides a device that impact force was resisted to non-Newtonian fluid is filled to movable, it is including being used for carrying out the track that supports to whole device, the top of track supports there is 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 openings on the inside wall of convex steel sheet, the equipartition is fixed with arch reinforcing bar on the arc inside wall of convex steel sheet, the top of convex steel sheet is provided with inflatable air bag, inflatable air bag fills gassing system with the gasbag and links to each other.
The circular arc steel plate is of a double-layer hollow closed type steel bar structure, is a bearing core of the whole frame structure, and can be customized to different radians alpha according to the structure of the tunnel, wherein alpha is recorded as the circular arc radian of the circular arc steel plate.
The track is a flexible link track.
The crawler engine adopts a full hydraulic engine, provides power for the crawler, and is a component integrally connected with the upper device.
A plurality of steel bar insertion holes are processed in the arched steel bars, steel bars are installed in the steel bar insertion holes in a penetrating mode, and nuts are fixedly installed at two ends of the steel bars.
The bottom of arch reinforcing bar is connected with crawler engine, and upper portion is connected with convex steel sheet through screw hole and bolt.
The non-Newtonian fluid injection port is a switchable reserved hole position for injecting and taking out non-Newtonian fluid, and the switch is controlled by a big 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 on the top of the whole device through a thick rope for a pull ring.
And the arc-shaped steel plate is internally filled with non-Newtonian fluid filler.
The construction method of the movable device for filling non-Newtonian fluid to resist impact force is characterized by comprising the following steps:
step 1: preparing materials: preparing an arc-shaped steel plate, a crawler belt engine, a steel bar jack, an arch steel bar, a non-Newtonian fluid filling opening, a steel bar, a screw hole, an inflatable air bag, an inflatable hole, a non-Newtonian fluid filler, a big screw, an air compressor, a one-way valve, a pull ring and a nut;
step 2: assembling power parts, namely, after the crawler engine and the crawler are assembled, placing the assembled crawler engine and the crawler at the lowest part of other parts to be assembled for standby;
step 3: assembling a force bearing part, wherein the single arched steel bar is correspondingly arranged in the screw holes on the arc-shaped steel plate one by one, and each screw hole is fixed by a screw, so that the arched steel bar and the arc-shaped steel plate can be firmly linked together;
step 4: inserting the reinforcing steel bars into reinforcing steel bar inserting holes reserved on the arched reinforcing steel bars, and then screwing the parts with more reinforcing steel bars at two ends through screw caps to ensure that the reinforcing steel bars do not slip from the holes;
step 5: the inflatable air bag is bound on the top 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 force-bearing part are combined together to complete the assembly of the whole device;
step 6: during on-site support, after the device moves to a place to be supported, the air compressor and the inflation holes of the inflation air bags are connected at the moment, the air compressor is started to inflate until no obvious gap exists between the air bags and the top end of the tunnel, and the check valve is opened to prevent air leakage; opening a big screw of the non-Newtonian fluid injection port, injecting the prepared non-Newtonian fluid filler into the arc-shaped steel plate, wherein the filling amount is more than 95%, finally, screwing the non-Newtonian fluid injection port by using the big screw completely to ensure that the non-Newtonian fluid filler is not exposed, and repeating Step6 operation when the non-Newtonian fluid injection port is at the next construction site;
step 7: if the device can effectively resist huge impact force brought by rock burst or tunnel collapse when the rock burst occurs, constructors are prevented from being crushed and injured, and the non-Newtonian fluid injection port can be opened to inject the activated hardening agent inwards after the site is stabilized, so that the non-Newtonian fluid filler is hardened, the frame structure is more stable, and secondary accidents on the accident site are prevented.
The invention has the following beneficial effects:
1. the device can be used for manufacturing components with different sizes according to the actual conditions of projects, can be detached for multiple use, and has a wide application range.
2. The device can disperse the impact force impacting on the common steel bar framework, so that the stress is more rapid and uniform, the single-point stress is 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 effect of impact resistance and saving the cost of steel.
4. According to the device, the steel pipe and the arc steel plate are provided with the hole sites, and the non-Newtonian fluid can be filled at any time to improve the shock resistance of the steel pipe.
5. According to the device, the steel material in the grid structure is filled with the non-Newtonian fluid, so that the impact resistance of the whole structure of the device is improved.
6. The device provided by the invention can resist rock burst of the tunnel, can effectively prevent and treat huge impact force when rock burst occurs, and can protect the safety of field personnel.
7. The steel plate of the device is arranged into double layers, so that the effects of heat insulation and heat insulation are achieved, the water loss is prevented, and the characteristics of the non-Newtonian fluid are not affected.
8. Besides external support, the invention can drill and open the slot in the rock mass, and then implant the special steel bar which is filled with non-Newtonian fluid in the device into the slot, thereby achieving the function of direct support.
9. The invention can mix the non-Newtonian fluid with the asphalt as the medium and add the magnetic powder, 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 can inject the activated hardening agent into the reserved hole position after the frame is impacted, so that the non-Newtonian fluid is hardened, and the subsequent collapse is prevented.
11. The non-Newtonian fluid of the device has the function of enabling the force acting on the rock body and the device to be evenly transmitted to all parts, and preventing local damage caused by stress concentration.
12. The device can remove along with the tunnel excavation process and strut, has had more timely guarantee for construction safety.
13. The crawler engine of the device adopts crawler-type movement, and compared with the fact that the contact area of a tire crawler and the ground is larger, the pressure intensity of the device and the ground is reduced, and the bottom of the device and the stability of the whole device are guaranteed.
14. The device top is equipped with bag formula structure, and bag formula structure has fine wear resistance, and bag formula structure is the state of not aerifing at ordinary times, aerifys the gasbag when reaching the section that needs to be strutted and contacts gasbag and tunnel top, waits to be full of the inhomogeneous surface of tunnel upper outer wall, and uneven atress leads to the phenomenon of device somewhere too big when can prevent and treat to take place the rock burst like this.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a front view of the entire apparatus.
Fig. 2 is a bottom view of the entire device.
Fig. 3 is a left side view of the entire device.
Fig. 4 is a detailed view of the device track and track engine.
Fig. 5 is a detailed view of the arched reinforcing bars of the device.
Fig. 6 is a detailed view of the circular arc steel plate of the device.
In the figure: the device comprises an arc-shaped steel plate 1, a track 2, a track engine 3, a steel bar jack 4, an arch steel bar 5, a non-Newtonian fluid filling opening 6, a steel bar 7, a screw hole 8, an inflatable air bag 9, an inflatable hole 10, a non-Newtonian fluid filler 11, a big screw 12, an air compressor 13, a one-way valve 14, a pull ring 15 and a nut 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 movable non-newtonian fluid filling impact force resisting device comprises a crawler belt 2 for supporting the whole device, wherein a circular arc-shaped steel plate 1 is supported at the top of the crawler belt 2, the crawler belt 2 is connected with a crawler engine 3 for driving the crawler belt 2 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 reinforcing steel bars 5 are uniformly distributed and fixed on the inner arc-shaped side wall of the circular arc-shaped steel plate 1, an inflatable air bag 9 is arranged at the top of the circular arc-shaped steel plate 1, and the inflatable air bag 9 is connected with an air bag inflation.
Further, the circular arc steel plate 1 is a double-layer hollow closed reinforcing steel bar structure, is a force bearing core of the whole frame structure, and can be customized to different radians alpha according to the structure of the tunnel, wherein the arc radian of the circular arc steel plate is marked as alpha.
Further, the track 2 is a flexible link track. The purpose is to increase the stress area of the whole device and the ground to reduce the pressure, ensure that the device does not sink into the ground when being subjected to rock burst and ensure the normal operation of the device.
Further, the crawler engine 3 is a full hydraulic engine, and is a member that powers the crawler 2 and is integrally connected to the upper device.
Furthermore, a plurality of steel bar insertion holes 4 are processed on the arch-shaped steel bars 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 reinforcing bars 7 is to allow the reinforcing bars to be inserted therein, so that the individual arched reinforcing bars can form a whole, and the inserted reinforcing bars lying transversely can also increase the bending strength of the whole device. The purpose of the nut 16 is to tighten the excess ends of the reinforcement to ensure that the reinforcement does not slip out of the hole.
Further, the bottom of arch reinforcing bar 5 is connected with crawler motor 3, and upper portion is connected with convex steel sheet 1 through screw hole 8 and bolt.
Further, the non-Newtonian fluid injection port 6 is a switchable reserved hole position for injecting and extracting non-Newtonian fluid, and the switch is controlled by a big screw 12. The aim is to be able to add and replace non-Newtonian fluid fillers at any time.
Further, the air bag inflation and deflation system comprises an inflation hole 10 formed in the inflation 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 inflation air bag 9 is bound to the top of the whole device through a thick rope for a pull ring 15. The air bag has good wear-resisting and scratch-resisting properties and is not easy to break. The device aims to ensure that the bag type structure is in a non-inflation state at ordinary times, and the air bag is inflated until the air bag is contacted with the top end of the tunnel when reaching a section needing to be supported until the uneven surface of the upper outer wall of the tunnel is filled with the air bag, so that the pressure above the tunnel can be uniformly transmitted to a device frame, and the phenomenon that the pressure at a certain position of the device is overlarge due to uneven stress when rock burst occurs is prevented.
Further, the arc-shaped steel plate 1 is filled with a non-newtonian fluid filler 11.
Furthermore, the non-Newtonian fluid filler takes asphalt as a main material, accounts for 60% of the total proportion of the material, can be added with solid mixtures such as sand, magnetic powder and stones, and aims to change the viscosity of the filler by injecting different additives from the outside so as to meet the supporting requirements under different working conditions.
Example 2:
the construction method of the movable device for filling non-Newtonian fluid to resist impact force is characterized by comprising the following steps:
step 1: preparing materials: preparing an 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, a steel bar 7, a screw hole 8, an inflatable air bag 9, an inflatable hole 10, a non-Newtonian fluid filler 11, a big screw 12, an air compressor 13, a one-way valve 14, a pull ring 15 and a screw cap 16;
step 2: assembling power parts, namely, after the crawler engine 3 and the crawler 2 are assembled, placing the assembled parts at the lowest parts of other parts to be assembled for standby;
step 3: assembling a force bearing part, wherein the single arch reinforcing steel bars 5 are in one-to-one correspondence to the screw holes 8 on the circular arc steel plate 1, and each screw hole 8 is fixed by a screw, so that the arch reinforcing steel bars 5 and the circular arc steel plate 1 can be firmly linked together;
step 4: inserting the reinforcing steel bars 7 into reinforcing steel bar inserting holes 4 reserved on the arch reinforcing steel bars 5, and then screwing the parts of the reinforcing steel bars 7 with more ends through screw caps 16 to ensure that the reinforcing steel bars 7 do not slip from the holes;
step 5: the inflatable air bag 9 is bound on the top of the whole device through a thick rope by a pull ring 15, 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 part and a force-bearing part are combined together to complete the assembly of the whole device;
step 6: during on-site support, after the device moves to a place to be supported, the air compressor 13 and the inflation hole 10 of the inflation air bag are connected at the moment, the air compressor 13 is started to inflate until the air bag is attached to the top end of the tunnel without obvious gaps, and the check valve 14 is opened to prevent air leakage; opening a big screw of the non-Newtonian fluid injection port 6, injecting the prepared non-Newtonian fluid filler 11 into the arc-shaped steel plate 1, wherein the filling amount is more than 95%, finally, tightening the non-Newtonian fluid injection port 6 by using the big screw 12 completely to ensure that the non-Newtonian fluid filler 11 is not exposed, and repeating the Step6 operation when the next construction site is reached;
step 7: if the device can effectively resist huge impact force brought by rock burst or tunnel collapse when the rock burst occurs, constructors are prevented from being crushed and injured, and after the field is stable, the non-Newtonian fluid injection port 6 can be opened to inject the activated hardening agent inwards, so that the non-Newtonian fluid filler 11 is hardened, the frame structure is more stable, and secondary accidents on the accident field are prevented.
Claims (10)
1. A movable impact force resisting device for filling a non-newtonian fluid, comprising: it is including track (2) that are used for carrying out the support to whole device, the top of track (2) is supported and is had arc steel sheet (1), track (2) link to each other with track engine (3) that are used for driving its action, be provided with a plurality of non-Newtonian fluid filling openings (6) on the inside wall of arc steel sheet (1), the equipartition is fixed with arch reinforcing bar (5) on the arc inside wall of arc steel sheet (1), the top of arc steel sheet (1) is provided with inflatable air bag (9), inflatable air bag (9) and gasbag fill gassing system and link to each other.
2. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: the circular arc steel plate (1) is of a double-layer hollow closed type steel bar structure, is a force bearing core of the whole frame structure, has a circular arc radian marked as alpha, and can customize different radians alpha according to the structure of the tunnel.
3. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: the crawler belt (2) adopts a flexible chain link crawler belt.
4. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: the crawler engine (3) adopts a full hydraulic engine, provides power for the crawler (2), and is a component integrally connected with the upper device.
5. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: processing has a plurality of reinforcing bar jacks (4) on arch reinforcing bar (5), run through on reinforcing bar jack (4) and install reinforcing bar (7), there are nut (16) at two end fixed mounting of reinforcing bar (7).
6. The apparatus of claim 1 or 5, wherein the movable non-Newtonian fluid-filled device is configured to withstand an impact force, and further comprising: the bottom of arch reinforcing bar (5) is connected with crawler engine (3), and upper portion is connected with convex steel sheet (1) through screw hole (8) and bolt.
7. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: the non-Newtonian fluid injection port (6) is a switchable reserved hole position for injecting and taking out non-Newtonian fluid, and the switch is controlled by a big screw (12).
8. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: the air bag inflation and deflation system comprises an inflation hole (10) formed in an inflation 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 inflation air bag (9) is bound to the top of the whole device through a thick rope for a pull ring (15).
9. The apparatus of claim 1, wherein the movable non-newtonian fluid impact force resisting device comprises: the arc-shaped steel plate (1) is filled with non-Newtonian fluid filler (11).
10. A method of construction using a movable impact force resisting device filled with a non-newtonian fluid as claimed in any one of claims 1 to 9, comprising the steps of:
step 1: preparing materials: preparing an arc-shaped steel plate (1), a track (2), a track engine (3), a steel bar jack (4), an arch steel bar (5), a non-Newtonian fluid injection port (6), a steel bar (7), a screw hole (8), an inflatable air bag (9), an inflatable hole (10), a non-Newtonian fluid filler (11), a big screw (12), an air compressor (13), a one-way valve (14), a pull ring (15) and a nut (16);
step 2: assembling power parts, namely, after the crawler engine (3) and the crawler (2) are assembled, placing the assembled crawler engine and the crawler at the lowest part of other parts to be assembled for standby;
step 3: assembling a force bearing part, wherein the single arched steel bar (5) is in one-to-one correspondence to the screw holes (8) on the arc-shaped steel plate (1), and each screw hole (8) is fixed by a screw, so that the arched steel bar (5) and the arc-shaped steel plate (1) can be firmly linked together;
step 4: inserting the reinforcing steel bars (7) into reinforcing steel bar inserting holes (4) reserved on the arched reinforcing steel bars (5), and then screwing the parts of the reinforcing steel bars (7) with more ends to ensure that the reinforcing steel bars (7) do not slip from the holes through screw caps (16);
step 5: an inflatable air bag (9) is bound at the top of the whole device through a pull ring (15) by 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 later use, and finally a power part and a force-bearing part are combined together to complete the assembly of the whole device;
step 6: during on-site support, after the device is moved to a place needing to be supported, the air compressor (13) and the inflation hole (10) of the inflation air bag are connected at the moment, the air compressor (13) is started to inflate until the air bag is attached to the top end of the tunnel without obvious gaps, and the check valve (14) is opened to prevent air leakage; opening a big screw of the non-Newtonian fluid injection port (6), injecting the prepared non-Newtonian fluid filler (11) into the arc-shaped steel plate (1), wherein the filling amount is more than 95%, finally screwing the non-Newtonian fluid injection port (6) by the big screw (12) completely to ensure that the non-Newtonian fluid filler (11) is not exposed, and repeating Step6 operation when the next construction site is reached;
step 7: if the rock burst occurs or the tunnel collapses, the device can effectively resist huge impact force brought by the rock burst, prevent constructors from being crushed and injured, and open the non-Newtonian fluid injection port (6) to inject the activated hardening agent inwards after the site is stable, so that the non-Newtonian fluid filler (11) is hardened, the frame structure is more stable, and secondary accidents on 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 |
Applications Claiming Priority (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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| CN113027503A true CN113027503A (en) | 2021-06-25 |
| CN113027503B CN113027503B (en) | 2023-09-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446040A (en) * | 2021-07-21 | 2021-09-28 | 安徽理工大学 | Filling expansion type roadway support device and construction method |
| CN113565527A (en) * | 2021-09-27 | 2021-10-29 | 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 |
| CN114320402A (en) * | 2021-12-09 | 2022-04-12 | 中铁建大桥工程局集团第五工程有限公司 | Flood discharge cave body top dangerous rock protector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113446040A (en) * | 2021-07-21 | 2021-09-28 | 安徽理工大学 | Filling expansion type roadway support device and construction method |
| CN113565527A (en) * | 2021-09-27 | 2021-10-29 | 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 |
| 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 |
| CN114320402A (en) * | 2021-12-09 | 2022-04-12 | 中铁建大桥工程局集团第五工程有限公司 | Flood discharge cave body top dangerous rock protector |
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| CN113027503B (en) | 2023-09-19 |
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