CN111022077A - Impact-resistant fluid filling lining supporting structure and construction method - Google Patents
Impact-resistant fluid filling lining supporting structure and construction method Download PDFInfo
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- CN111022077A CN111022077A CN201911357600.2A CN201911357600A CN111022077A CN 111022077 A CN111022077 A CN 111022077A CN 201911357600 A CN201911357600 A CN 201911357600A CN 111022077 A CN111022077 A CN 111022077A
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- lining
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- fluid filling
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- ceramsite
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- 239000012530 fluid Substances 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title abstract description 12
- 239000002775 capsule Substances 0.000 claims description 32
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 22
- 239000004202 carbamide Substances 0.000 claims description 22
- 239000004576 sand Substances 0.000 claims description 16
- 241000894006 Bacteria Species 0.000 claims description 10
- 239000001110 calcium chloride Substances 0.000 claims description 9
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 9
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000001963 growth medium Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000009630 liquid culture Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000005422 blasting Methods 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 108010046334 Urease Proteins 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/05—Lining with building materials using compressible insertions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses an impact-resistant fluid filling lining supporting structure and a construction method, wherein the impact-resistant fluid filling lining supporting structure comprises a first lining and a second lining, and a fluid filling layer is also arranged between the first lining and the second lining; the invention also discloses a construction method of the fluid filling lining supporting structure; the invention can fully weaken the blasting disturbance on the outside of the tunnel and maintain the stability of the tunnel structure.
Description
Technical Field
The invention relates to the technical field of modification of lining supporting structures, in particular to an impact-resistant fluid filling lining supporting structure and a construction method.
Background
With the rapid development of national economy, the safety of national engineering construction becomes more and more important. Such as the safety of engineering tunnels, engineering roadways, mining cavern supports and the like during construction, the protection strength of engineering and the maintenance of the engineering after completion, which consume a large amount of manpower and material resources.
At present, the existing invention is a fluid filling lining, the wrapped fluid is composed of gas, liquid and fine sand, the fluid state is always maintained from the initial state, although the local disturbance generated by the tunnel can be greatly reduced, when the fluid is subjected to the instantaneous large-intensity large-amplitude disturbance similar to blasting, the stability is difficult to maintain, after the disturbance generated by blasting is weakened by the fluid, a part of the disturbance is still conducted into the interior to destroy the two lining structures, and finally the lining structure is destroyed and even the surrounding rocks collapse, therefore, an impact-resistant fluid filling lining supporting structure and a construction method are urgently needed to be designed to ensure the stability and the safety of the lining structure.
Disclosure of Invention
The invention aims to overcome the defects and provide an impact-resistant fluid filling lining supporting structure and a construction method, which can fully weaken the blasting disturbance applied to the outside of a tunnel and maintain the stability of the tunnel structure.
In order to solve the technical problems, the invention adopts the technical scheme that: a shock-resistant fluid filling lining supporting structure comprises a lining and two linings, and a fluid filling layer is arranged between the lining and the two linings.
Preferably, the first liner comprises concrete and a metal anchor rod, and the second liner comprises an arched steel frame.
Preferably, strain gauges are attached between the first lining surface and the surface of the fluid filling layer and between the second lining surface and the surface of the fluid filling layer.
Preferably, the fluid filling layer is filled with sand, ceramsite and capsules.
More preferably, part of the ceramsite is adsorbed with urea bacteria, part of the ceramsite is adsorbed with calcium chloride, part of the ceramsite is adsorbed with urea, and the capsule is filled with a liquid culture medium of the urea bacteria.
More preferably, part of the ceramsite is adsorbed with calcium chloride, part of the ceramsite is adsorbed with urea, and the capsule is filled with water.
More preferably, the ceramsite is adsorbed with epoxy resin, and the capsule is filled with a curing agent.
More preferably, the outer surface of the ceramsite is further wrapped with a geomembrane, the number of the fluid filling layers is multiple, the outer surface of each fluid filling layer is provided with a wrapping object, and the outer side of each wrapping object is provided with a connecting piece.
In addition, the invention also discloses a construction method of the fluid filling lining supporting structure, which comprises the following steps:
s1: excavating the tunnel according to the actual engineering requirements, and laying a lining after the excavation is finished;
s2: filling sand, ceramsite and capsules into each fluid filling layer, wrapping the fluid filling layers with a wrapping object, and splicing and assembling the plurality of fluid filling layers;
s3: and (4) laying two linings after the installation is finished, arranging strain gauges, and measuring lining pressure and deformation degree in the later period.
The invention has the beneficial effects that: the fluid filling layer in the lining supporting structure of the invention has certain toughness, because the sand and the capsule have certain buffer capacity, when the lining supporting structure is impacted by external force, the fluid filling layer can firstly play a certain role in buffering, when the ceramic grains and the capsules of the fluid filling layer are broken due to large external impact, the sand, the ceramic grains and the capsules filled in the fluid filling layer can be bonded together, thus, the fluid filling layer forms a hard block with toughness, so that the fluid filling layer can absorb impact force to a certain extent, meanwhile, after the action of reducing impact force, a hard block with toughness can be formed, the function similar to self-repairing is realized, the stability of the tunnel is kept, the service life of the tunnel is greatly prolonged, the impact force damage influence is greatly reduced, and the blasting disturbance on the outside of the tunnel is fully weakened.
Drawings
FIG. 1 is a schematic view of an impact resistant fluid-filled lining support structure;
FIG. 2 is a schematic view of the structure of the fluid filling layer;
FIG. 3 is a schematic view of a model test apparatus;
FIG. 4 is a graph showing the relationship between the displacement of the fluid filling layer and the pressure;
in the figure, a liner 1, a liner 2, a fluid filling layer 3, sand 3.1, porcelain granules 3.2, capsules 3.3, a wrapping object 3.4, a connecting piece 3.5, a strain gauge 4, a pressure side limit box 5, a cover plate 6 and a jack 7.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1 and 2, the impact-resistant fluid filling lining supporting structure comprises a lining 1 and two linings 2, and a fluid filling layer 3 is arranged between the lining 1 and the lining 2.
Preferably, the first liner 1 comprises concrete and metal anchor rods, and the second liner 2 comprises arched steel frames.
Preferably, strain gauges 4 are attached between the surface of the first liner 1 and the surface of the fluid filling layer 3 and between the surface of the second liner 2 and the surface of the fluid filling layer 3.
Preferably, the fluid filling layer 3 is filled with sand 3.1, ceramsite 3.2 and capsule 3.3. The specific composition of the fluid filling layer 3 has the following three embodiments:
example 1: wherein, part of the ceramsite 3.2 is adsorbed with urea bacteria, part of the ceramsite 3.2 is adsorbed with calcium chloride, part of the ceramsite 3.2 is adsorbed with urea, and the capsule 3.3 is filled with a liquid culture medium of urea bacteria. In this example 1, the urea bacteria, which are aerobic or anaerobic bacteria living in soil, animal manure and sewage, grow well in strongly alkaline medium, the lowest PH is 7, ammonium salt or urea can be used as nitrogen source, various organic substances (monosaccharide, disaccharide, starch, organic acid, etc.) are used as carbon source and energy source, the urea bacteria are easily available and low in cost, when the ceramsite 3.2 and the capsule 3.3 are crushed by extrusion, the urea bacteria, calcium chloride, urea and liquid medium in the ceramsite are mixed together, the urease existing in the urea bacteria can decompose urea to catalyze the urea to hydrolyze into ammonia and carbon dioxide, and the carbon dioxide is dissolved in water to generate CO3 2-And raising the pH of the environment in CaCl2Ca in (1)2+In the presence of CO3 2-And Ca2+The calcium carbonate produced exceeds its solubility in a liquid environment, thus precipitating calcium carbonate crystals, so that the sand 3.1, the ceramsite 3.2 and the capsule 3.3 are bonded together.
Example 2: part of the ceramsite 3.2 is adsorbed with calcium chloride, part of the ceramsite 3.2 is adsorbed with urea, and the capsule 3.3 is filled with water. When the ceramsite 3.2 and the capsule 3.3 are crushed by extrusion, the calcium chloride, the urea and the water in the ceramsite are mixed together, and the urea is dissolved in the water and then undergoes hydrolysis, so that CO is also generated3 2-And raising the pH of the environment at
In the presence of CO3 2-And Ca2+The calcium carbonate produced exceeds its solubility in a liquid environment, thus precipitating calcium carbonate crystals, so that the sand 3.1, the ceramsite 3.2 and the capsule 3.3 are bonded together.
Example 3: the ceramic particles 3.2 are adsorbed with epoxy resin, and the capsules 3.3 are filled with curing agent. When the ceramsite 3.2 and the capsule 3.3 are crushed by extrusion, the epoxy resin and the curing agent are mixed together, and the epoxy resin is solidified, so that the sand 3.1, the ceramsite 3.2 and the capsule 3.3 are bonded together. In addition, the epoxy resin is convenient to cure, various different curing agents are selected, the epoxy resin system can be cured almost within the temperature range of 0-180 ℃, and the application range is wide.
More preferably, the outer surface of the ceramsite 3.2 is further wrapped by a geomembrane, the number of the fluid filling layers 3 is multiple, the outer surface of each fluid filling layer 3 is provided with a wrapping object 3.4, and the outer side of each wrapping object 3.4 is provided with a connecting piece 3.5. The wrapping object 3.4 can be a butyl rubber bag body structure or a steel wire net structure, the wrapping object can wrap sand 3.1, ceramsite 3.2 and capsules 3.3, after the fluid filling layers 3 are arranged into a plurality of layers, the construction and installation process is convenient, and the connecting piece 3.5 can be arranged into a sleeve or a loop bar structure, so that butt joint and insertion are convenient, and splicing and assembling of two adjacent fluid filling layers 3 are realized.
It is also preferable that the capsule 3.3 is made of a high-strength rubber material, so that the toughness of the entire fluid filled layer 3 can be enhanced.
In addition, the invention also discloses a construction method of the fluid filling lining supporting structure, which comprises the following steps:
s1: excavating the tunnel according to the actual engineering requirements, and laying a lining 1 after the excavation is finished;
s2: filling sand 3.1, porcelain granules 3.2 and capsules 3.3 into each fluid filling layer 3, wrapping the fluid filling layers with wrappage 3.4, and splicing and assembling a plurality of fluid filling layers 3;
s3: and after the installation is finished, laying two linings 2, arranging a strain gauge 4, and measuring lining pressure and deformation degree in the later period.
The fluid filling layer 3 in the lining supporting structure of the invention has certain toughness, because the sand 3.1 and the capsule 3.3 have certain buffer capacity, when the lining supporting structure is impacted by external force, the fluid filling layer 3 can firstly play a certain buffer function, when the ceramic grains 3.2 and the capsule 3.3 of the fluid filling layer 3 are crushed due to larger external force impact, the sand 3.1, the ceramic grains 3.2 and the capsule 3.3 which are filled in the fluid filling layer 3 can be mutually bonded together later, the bonding mode is concretely shown in the embodiment 1-3, thus the fluid filling layer 3 finally forms a hard block with toughness, therefore, the fluid filling layer 3 plays a certain role of reducing impact force, and simultaneously can form a hard block with toughness after the action of impact force, the function similar to self-repairing, the tunnel is kept stable, the service life of the tunnel is greatly prolonged, the impact force damage influence is greatly reduced.
In order to verify the effect of the lining supporting structure, the lining supporting structure adopts a model test to verify, and the equipment is shown as figure 3 and comprises the following steps:
the first step is as follows: the prepared fluid filling layer 3 (the fluid filling layer 3 produced according to example 1 or 2 or 3) was put into the pressure side confining box 5, and the lid plate 6 was closed;
the second step is that: uniformly applying load to the cover plate 6 by using the jack 7, wherein the loading mode is single non-cyclic loading and the step-by-step loading is carried out by taking 5KN as a unit value;
the third step: recording the compression amount of the fluid filling layer 3 under each level of load until the ceramsite 3.2 and the capsule 3.3 in the fluid filling layer 3 are completely crushed;
the fourth step: placing the prepared blank fluid filling layer (the ceramsite does not adsorb other substances, and the capsule does not fill substances) into the pressure side limit box 5, and covering the cover plate 6;
the fifth step: the second and third steps are repeated.
The test is shown in fig. 4, and it can be seen from the figure that the overall displacement of the fluid filling layer 3 manufactured according to the embodiment of the present invention is far smaller than that of the blank fluid filling layer, which shows that the lining supporting structure of the present invention has good impact resistance.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (9)
1. An impact-resistant fluid-filled lining supporting structure, comprising a lining (1) and two linings (2), characterized in that: a fluid filling layer (3) is also arranged between the first lining (1) and the second lining (2).
2. An impact-resistant, fluid-filled lining support structure as claimed in claim 1, wherein: the first lining (1) comprises concrete and a metal anchor rod, and the second lining (2) comprises an arched steel frame.
3. An impact-resistant, fluid-filled lining support structure as claimed in claim 1, wherein: strain gauges (4) are respectively stuck between the surface of the first lining (1) and the surface of the fluid filling layer (3) and between the surface of the second lining (2) and the surface of the fluid filling layer (3).
4. An impact-resistant, fluid-filled lining support structure as claimed in claim 1, wherein: the fluid filling layer (3) is filled with sand (3.1), ceramsite (3.2) and capsules (3.3).
5. An impact-resistant, fluid-filled lining support structure as claimed in claim 4, wherein: wherein, part of the ceramsite (3.2) is adsorbed with urea bacteria, part of the ceramsite (3.2) is adsorbed with calcium chloride, part of the ceramsite (3.2) is adsorbed with urea, and the capsule (3.3) is filled with a liquid culture medium of urea bacteria.
6. An impact-resistant, fluid-filled lining support structure as claimed in claim 4, wherein: part of the ceramsite (3.2) adsorbs calcium chloride, part of the ceramsite (3.2) adsorbs urea, and the capsule (3.3) is filled with water.
7. An impact-resistant, fluid-filled lining support structure as claimed in claim 4, wherein: the ceramsite (3.2) is adsorbed with epoxy resin, and the capsule (3.3) is filled with curing agent.
8. An impact-resistant, fluid-filled lining support structure as claimed in claim 4, wherein: the outer surface of the ceramsite (3.2) is further wrapped with a geomembrane, a plurality of fluid filling layers (3) are arranged, a wrapping object (3.4) is arranged on the outer surface of each fluid filling layer (3), and a connecting piece (3.5) is arranged on the outer side of each wrapping object (3.4).
9. A method of constructing a fluid-filled lining supporting structure as claimed in any one of claims 1 to 8, wherein: it comprises the following steps:
s1: excavating the tunnel according to the actual engineering requirements, and laying a lining (1) after the excavation is finished;
s2: filling sand (3.1), ceramsite (3.2) and capsules (3.3) into each fluid filling layer (3), wrapping the fluid filling layers with wrapping materials (3.4), and splicing and assembling the plurality of fluid filling layers (3);
s3: and after the installation is finished, two linings (2) are arranged, strain gauges (4) are arranged, and the pressure and the deformation degree of the lining are measured in the later period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357600.2A CN111022077B (en) | 2019-12-25 | 2019-12-25 | Impact-resistant fluid filling lining supporting structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357600.2A CN111022077B (en) | 2019-12-25 | 2019-12-25 | Impact-resistant fluid filling lining supporting structure and construction method |
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| Publication Number | Publication Date |
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| CN111022077A true CN111022077A (en) | 2020-04-17 |
| CN111022077B CN111022077B (en) | 2021-04-13 |
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| CN109653765A (en) * | 2019-02-12 | 2019-04-19 | 三峡大学 | The warehouse separated type lining cutting pressure relief support structure and method of one kind of multiple fillers |
| CN110094215A (en) * | 2019-05-30 | 2019-08-06 | 三峡大学 | Non-newtonian fluid liner supporting structure and construction method |
| CN110105031A (en) * | 2019-06-20 | 2019-08-09 | 中建科技湖南有限公司 | A kind of selfreparing grouting material and preparation method thereof |
-
2019
- 2019-12-25 CN CN201911357600.2A patent/CN111022077B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043937A (en) * | 2012-12-27 | 2013-04-17 | 同济大学 | Compound capsule underground structure concrete self-repairing system provided with aerobic microorganisms inside |
| CN108506026A (en) * | 2018-05-03 | 2018-09-07 | 三峡大学 | A kind of tunnel lining structure of high-strength precompressed anchor pole and liquid inclusion enclave synergy |
| CN109231906A (en) * | 2018-09-29 | 2019-01-18 | 佛山齐安建筑科技有限公司 | A kind of preparation method of resistance to compression self-repair concrete |
| CN109653765A (en) * | 2019-02-12 | 2019-04-19 | 三峡大学 | The warehouse separated type lining cutting pressure relief support structure and method of one kind of multiple fillers |
| CN110094215A (en) * | 2019-05-30 | 2019-08-06 | 三峡大学 | Non-newtonian fluid liner supporting structure and construction method |
| CN110105031A (en) * | 2019-06-20 | 2019-08-09 | 中建科技湖南有限公司 | A kind of selfreparing grouting material and preparation method thereof |
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| CN111022077B (en) | 2021-04-13 |
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