CN113898375B - Shield segment outside osmometer mounting structure and method capable of preventing seepage water - Google Patents
Shield segment outside osmometer mounting structure and method capable of preventing seepage water Download PDFInfo
- Publication number
- CN113898375B CN113898375B CN202111175294.8A CN202111175294A CN113898375B CN 113898375 B CN113898375 B CN 113898375B CN 202111175294 A CN202111175294 A CN 202111175294A CN 113898375 B CN113898375 B CN 113898375B
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- water
- osmometer
- shield segment
- hole
- sleeve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 53
- 230000001681 protective effect Effects 0.000 claims description 28
- 239000011435 rock Substances 0.000 claims description 17
- 239000000565 sealant Substances 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 7
- 238000009417 prefabrication Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims 3
- 238000001764 infiltration Methods 0.000 claims 3
- 230000035515 penetration Effects 0.000 claims 1
- 239000003673 groundwater Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel engineering, and particularly discloses a shield segment outer osmometer mounting structure and method capable of preventing seepage water. The invention can avoid the problem of water leakage caused by the later installation of the osmometer.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a shield segment outside osmometer mounting structure and method capable of preventing seepage water.
Background
The tunnel construction of the shield method adopts a shield machine for tunneling, a cutterhead cuts the stratum in front, and a duct piece is arranged in a shield body for supporting. In the shield tunneling process, synchronous grouting is continuously carried out to form a grouting layer, the functions of supporting and stopping water are achieved, and the thickness of the grouting layer is generally about 13cm. Osmometers, also known as pore water pressure gauges, are sensors used to measure pore water pressure or osmotic pressure. The underground water pressure of surrounding rock outside the shield segment is monitored, and a grouting layer outside the segment is generally required to be punctured, so that the underground water in the surrounding rock is hydraulically communicated with the osmometer. At present, in the common osmometer mounting mode, the phenomenon of water leakage occurs in the segment at the position of the osmometer, namely, the problem that underground water permeates into the tunnel along the osmometer occurs, and the quality and effect of tunnel construction are affected.
Disclosure of Invention
The invention aims to provide a shield segment outside osmometer mounting structure and method capable of preventing seepage water, so as to solve the problem that underground water permeates into a tunnel along an osmometer in the prior art.
In order to solve the technical problems, the invention provides a shield segment outer osmometer mounting structure capable of preventing penetrating water, which comprises a segment through hole, an osmometer, a sealing layer and a protective cover, wherein the segment through hole is a through hole vertically formed in a shield segment, a gap is reserved between the osmometer and the inner wall of the segment through hole and between the osmometer and the inner wall of the segment through hole, the sealing layer is filled in the gap between the osmometer and the segment through hole, the opening end of the protective cover is inserted in the segment through hole, the rest of the protective cover is inserted in a synchronous grouting layer and surrounding rock, and the protective cover is provided with a plurality of drainage holes.
Preferably, a sleeve is arranged on the inner wall of the duct piece through hole, and a gap is reserved between the osmometer and the sleeve.
Preferably, the sealing layer comprises a second water-swelling sealing ring, a first water-swelling sealing ring, a plastic locating piece and a grouting pipe, wherein the first water-swelling sealing ring is positioned at one side close to the protective cover, the second water-swelling sealing rings are arranged along the length direction of the osmometer, a plurality of spaces are reserved between the second water-swelling sealing rings and the first water-swelling sealing rings, the plastic locating piece is arranged in the spaces and filled with water-swelling sealant, and the grouting pipe penetrates through the second water-swelling sealing ring and the plastic locating piece and is used for filling the water-swelling sealant.
Preferably, the open end of the protective cover is interposed between the sleeve and the osmometer.
Preferably, one end of the sleeve, which is close to the intrados of the shield segment, is provided with a sleeve cover, the sleeve cover is connected with the sleeve in a threaded installation mode, and the sleeve cover is provided with two openings corresponding to the cable of the osmometer and the grouting pipe respectively.
Preferably, water-swellable seal gum is filled between the second water-swellable seal ring and the sleeve cover.
The invention also provides a shield segment outside osmometer installation method capable of preventing seepage water, which comprises the following steps:
S1, installing a shield segment with a through hole in a tunnel, and after the installation, using an electric drill tool to break through a synchronous grouting layer along the through hole on the shield segment and drill holes on surrounding rock;
s2, inserting the protective cover from the through hole of the shield segment, so that the front section of the protective cover is inserted into surrounding rock, the middle section of the protective cover passes through the synchronous grouting layer, and the tail section of the protective cover is inserted into the through hole of the shield segment;
S3, installing the osmometer, the second water-swelling sealing ring, the first water-swelling sealing ring, the plastic locating piece and the grouting pipe into a through hole of the shield segment;
S4, injecting water-swelling sealant into the through hole of the shield segment through the grouting pipe.
Preferably, the through hole of the shield segment is a sleeve embedded in the shield segment in the prefabrication stage.
Preferably, one end of the sleeve close to the intrados of the shield segment is of a sealing structure, and is opened by an electric drill tool before the osmometer is installed.
Or the through hole of the shield segment is a later drilling hole.
The structure and the method for installing the shield segment outside osmometer, which can prevent seepage water, are used for monitoring the underground water pressure in the surrounding rock of the shield segment, such as pore water pressure or seepage pressure, can avoid the problem of seepage water caused by installing the osmometer in the later stage, and are simple, effective and low in cost.
Drawings
FIG. 1 is a schematic diagram of an installation structure of a shield segment outside osmometer capable of preventing water seepage according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an installation structure of an out-of-segment osmometer for shield segment capable of preventing water permeation according to an embodiment of the present invention at the osmometer.
In the figure, 1: shield segments; 2: synchronous grouting layer; 3: surrounding rock; 11: an osmometer; 12: a cable; 21: a sleeve; 22: a sleeve internal thread; 23: a protective cover; 24: a sleeve cover; 31: a second water-swellable seal ring; 32: a plastic locating piece; 33: grouting pipe; 34: grouting pipe orifice; 35: a first water-swellable seal ring.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 and 2, the shield segment outside osmometer mounting structure capable of preventing water leakage according to the present embodiment includes: segment through-hole, osmometer 11, sealing layer and safety cover 23, segment through-hole are shield constructs the through-hole of perpendicular seting up on the segment 1, osmometer 11 establish in segment through-hole and leave the clearance with the inner wall of segment through-hole between, the sealing layer is filled in the clearance between osmometer 11 and the segment through-hole, the open end of safety cover 23 inserts in segment through-hole, the other part of safety cover 23 inserts in synchronous slip casting layer 2 and country rock 3, a plurality of bleeder holes have been seted up to safety cover 23.
The inner wall of the duct piece through hole is provided with a pre-buried sleeve 21, namely the form of the through hole is a through hole reserved in the prefabrication stage of the shield duct piece 1, the sleeve 21 is pre-buried, and a gap is reserved between the osmometer 11 and the sleeve 21. The through hole of the segment can also be a post-drilling hole.
The osmometer 11 is in communication contact with the groundwater by means of components in the front section, and measures the groundwater pore water pressure or osmotic pressure. The osmometer 11 is an industry standard sensor, and the details thereof will not be described here.
The sealing layer comprises: the second water-swelling sealing ring 31, the first water-swelling sealing ring 35, the plastic locating piece 32 and the grouting pipe 33, the first water-swelling sealing ring 35 is located at one side close to the protective cover 23, the second water-swelling sealing ring 31 is a plurality of second water-swelling sealing rings which are arranged along the length direction of the osmometer 11, spaces are reserved between the plurality of second water-swelling sealing rings 31 and the first water-swelling sealing ring 35, the plastic locating piece 32 is arranged in the spaces and filled with water-swelling sealant, and the grouting pipe 33 penetrates through the second water-swelling sealing ring 31 and the plastic locating piece 32 and is used for filling the water-swelling sealant.
The second water-swelling sealing ring 31 and the first water-swelling sealing ring 35 are processed according to the diameter of the osmometer 11, and the second water-swelling sealing ring 31 and the first water-swelling sealing ring 35 both fill the gap between the osmometer 11 and the sleeve 21 and ensure close contact.
The front part of the osmometer 11 is provided with a first water-swelling sealing ring, the first water-swelling sealing ring 35 is a complete sealing ring without a gap, and is used as a first waterproof measure for blocking groundwater from entering the tunnel along the osmometer 11 and preventing water-swelling sealant injected from the rear part from entering the protective cover 23 to influence the osmometer 11 to contact with the groundwater.
The second water-swellable seal ring 31 may be three, and the three second water-swellable seal rings 31 form three seal rings as a two-way waterproofing measure. The second water-swellable seal ring 31 has a small circular arc opening, see FIG. 2, for mounting a grouting pipe 33.
The three second water-swellable seal rings 31 and the first water-swellable seal rings 35 form three cavities, and a third water-repellent measure is formed by injecting a water-swellable seal. The waterproof performance of the installation part of the osmometer 11 is ensured through three waterproof measures.
The plastic positioning piece 32 is used for supporting and fixing the second water-swelling sealing ring 31, so as to prevent the second water-swelling sealing ring 31 from dislocation and deformation during installation or injection of water-swelling sealing glue. The plastic spacer 32 is C-shaped and the notch is located to pass through the grouting pipe 33. The thickness of the plastic locating piece 32 is smaller than the difference between the radius of the inner diameter of the sleeve 21 and the radius of the outer diameter of the osmometer 11 so as to fill the gap with water-swelling sealant.
The outside of the osmometer 11 is provided with an embedded grouting pipe 33, three groups of water-swelling sealing rings counted from the tail part are arranged, water-swelling water-stopping glue is injected into the cavity divided by the water-swelling sealing rings through the embedded grouting pipe 33, the grouting pipe 33 is used for injecting the water-swelling sealing glue to form three water-stopping cavities, the casing 21 (or a drilling hole) is filled with the water-swelling water-stopping glue, once groundwater is permeated, the water-swelling sealing rings and the water-swelling sealing glue are swelled to seal gaps, the protective cover 23 is always communicated with the groundwater of the surrounding rock 3, and the groundwater in the surrounding rock 3 is prevented from permeating into a tunnel. Grouting pipe 33 has a plurality of grouting pipe apertures 34 along the sidewall for outflow of water-swellable sealant.
The open end of the protective cover 23 is interposed between the sleeve 21 and the osmometer 11. The osmometer 11 is contacted with the surrounding rock 3 through the protective cover with the water drain hole, and the underground water in the surrounding rock 3 enters the protective cover 23 through the water drain hole and then enters the osmometer 11, and the osmometer 11 sequentially reads the underground water pressure. The inner diameter of the protective cover 23 is larger than the outer diameter of the osmometer 11, the outer diameter of the protective cover 23 is smaller than the inner diameter of the sleeve 21, and a water draining hole is drilled on the protective cover 23, so that underground water can enter the protective cover 23.
The one end that the sleeve 21 is close to shield segment 1 intrados is equipped with sleeve lid 24, and sleeve lid 24 is connected with sleeve 21 through the form of screw thread installation, and the one end that sleeve 21 is close to shield segment 1 intrados is equipped with sleeve internal thread 22 promptly, and sleeve lid 24 is equipped with corresponding external screw thread, and sleeve lid 24 is equipped with two trompils that correspond with cable 12 and grouting pipe 33 of osmometer 11 respectively. A water-swellable seal is filled between second water-swellable seal ring 31 and sleeve cover 24. The cable 12 is threaded through a hole in the sleeve cover 24 and connected to a sensor and a data acquisition instrument. The grouting pipe 33 passes through the hole on the sleeve cover 24 and is connected with a grouting pump for injecting water-swelling sealant. If the sleeve 21 is not embedded in the duct piece during the prefabrication process, the small-diameter round water drill can be used for drilling holes on the duct piece in the later stage, and the sleeve cover 24 is fixed on the surface of the duct piece by using expansion screws.
The method for installing the shield segment outside osmometer capable of preventing seepage water comprises the following steps:
S1, installing a shield segment 1 with a through hole in a tunnel, and after shield tunneling construction, using an electric drill tool to break through a synchronous grouting layer 2 along the through hole on the shield segment 1 and drill holes on surrounding rock 3;
the through hole of the shield segment 1 may be a sleeve 21 pre-buried in the shield segment 1 in the prefabrication stage. The end of the sleeve 21, which is close to the intrados of the shield segment 1, is of a sealing structure and is opened by an electric drill tool before the osmometer 11 is installed. The specific dimensions of this embodiment may be: the length and diameter parameters of the osmometer 11 are first determined. The sleeve 21 is machined according to the length and diameter parameters of the osmometer 11. The inside diameter of sleeve 21 is about 20mm larger than the outside diameter of osmometer 11 to accommodate osmometer 11 and a water-swellable seal ring. The length of the sleeve 21 is about 50mm less than the thickness of the tube sheet.
The through hole of the shield segment 1 can also be a later drilling hole.
S2, inserting the protective cover 23 from the through hole of the shield segment 1, enabling the front section to be inserted into the surrounding rock 3, enabling the middle section to pass through the synchronous grouting layer 2, and enabling the tail section to be inserted into the through hole of the shield segment 1.
S3, installing the osmometer 11, the second water-swelling sealing ring 31, the first water-swelling sealing ring 35, the plastic locating piece 32 and the grouting pipe 33 into the through hole of the shield segment 1.
S4, injecting water-swelling sealant into the through hole of the shield segment 1 through the grouting pipe 33.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a shield segment outer osmometer mounting structure capable of preventing seepage water, which is characterized in that, including section of jurisdiction through-hole, osmometer (11), sealing layer and safety cover (23), the section of jurisdiction through-hole is the through-hole of perpendicular seting up on the shield segment (1), the inner wall of section of jurisdiction through-hole is equipped with sleeve pipe (21), leave the clearance between osmometer (11) and sleeve pipe (21), the sealing layer is filled in the clearance between osmometer (11) and the section of jurisdiction through-hole, the sealing layer includes second water-swellable seal ring (31), first water-swellable seal ring (35), plastic locating piece (32) and grouting pipe (33), first water-swellable seal ring (35) are located and are close to one side of safety cover (23), second water-swellable seal ring (31) are a plurality of along the length direction arrangement of osmometer (11), a plurality of second water-swellable seal rings (31) and first water-swellable seal ring (35) are all spaced apart, are equipped with in the clearance between safety cover (32) and sealing layer (33), water-swellable seal ring (23) are used for locating between the water-swellable seal ring (11) and grouting pipe (23), the rest part of the protective cover (23) is inserted into the synchronous grouting layer (2) and the surrounding rock (3), and the protective cover (23) is provided with a plurality of water discharge holes;
The plastic locating piece (32) is used for supporting and fixing the second water-swelling sealing ring (31), the second water-swelling sealing ring (31) is prevented from dislocation and deformation during installation or injection of water-swelling sealing glue, the plastic locating piece (32) is in a C shape, the notch position is used for penetrating the grouting pipe (33), and the thickness of the plastic locating piece (32) is smaller than the difference between the radius of the inner diameter of the sleeve (21) and the radius of the outer diameter of the osmometer (11), so that the water-swelling sealing glue fills a gap.
2. The shield segment outside osmometer mounting structure capable of preventing penetrating water according to claim 1, wherein one end of the sleeve (21) close to the intrados of the shield segment (1) is provided with a sleeve cover (24), the sleeve cover (24) is connected with the sleeve (21) in a threaded mounting manner, and the sleeve cover (24) is provided with two openings corresponding to the cable (12) of the osmometer (11) and the grouting pipe (33) respectively.
3. The shield segment outside osmometer mounting structure capable of preventing penetration of water according to claim 2, wherein a water-swellable seal gum is filled between the second water-swellable seal ring (31) and the sleeve cover (24).
4. A shield segment osmometer installation method capable of preventing infiltration of water according to any one of claims 1-3, comprising the steps of:
S1, installing a shield segment (1) with a through hole in a tunnel, and after the installation, using an electric drill tool to break through a synchronous grouting layer (2) along the through hole on the shield segment (1) and drill holes on surrounding rock (3);
S2, inserting the protective cover (23) from a through hole of the shield segment (1) to enable the front section of the protective cover to be inserted into the surrounding rock (3), enabling the middle section of the protective cover to penetrate through the synchronous grouting layer (2), and enabling the tail section of the protective cover to be inserted into the through hole of the shield segment (1);
s3, installing the osmometer (11), the second water-swelling sealing ring (31), the first water-swelling sealing ring (35), the plastic locating piece (32) and the grouting pipe (33) into a through hole of the shield segment (1);
s4, injecting water-swelling sealant into the through hole of the shield segment (1) through the grouting pipe (33).
5. The method for installing the shield segment osmometer capable of preventing infiltration water according to claim 4, wherein the through hole of the shield segment (1) is a sleeve (21) embedded in the shield segment (1) in a prefabrication stage.
6. The method for installing the shield segment osmometer capable of preventing seepage of water according to claim 5, wherein one end of the sleeve (21) close to the intrados of the shield segment (1) is of a sealing structure, and the sleeve is opened by an electric drill tool before installing the osmometer (11).
7. The method for installing the shield segment outside osmometer capable of preventing infiltration water according to claim 6, wherein the through hole of the shield segment (1) is a later drilled hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175294.8A CN113898375B (en) | 2021-10-09 | 2021-10-09 | Shield segment outside osmometer mounting structure and method capable of preventing seepage water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175294.8A CN113898375B (en) | 2021-10-09 | 2021-10-09 | Shield segment outside osmometer mounting structure and method capable of preventing seepage water |
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| Publication Number | Publication Date |
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| CN113898375A CN113898375A (en) | 2022-01-07 |
| CN113898375B true CN113898375B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111175294.8A Active CN113898375B (en) | 2021-10-09 | 2021-10-09 | Shield segment outside osmometer mounting structure and method capable of preventing seepage water |
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| CN (1) | CN113898375B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551307A (en) * | 2020-06-11 | 2020-08-18 | 广东科正水电与建筑工程质量检测站 | Shield method tunnel external water pressure monitoring device and monitoring method |
| CN212003197U (en) * | 2020-04-15 | 2020-11-24 | 中铁十一局集团城市轨道工程有限公司 | Subway station tunnel door ring beam seepage-proofing drainage construction structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498691A (en) * | 1974-01-09 | 1978-01-25 | Ruhrkohle Ag | Waterproof sealing means |
| CN206627405U (en) * | 2017-03-27 | 2017-11-10 | 山东省水利勘测设计院 | The double embolism original position injection pressure water penetration detectors of expansion type |
| CN206902695U (en) * | 2017-07-11 | 2018-01-19 | 福建省闽南建筑工程有限公司 | Waterproofing node sealing device for diaphram wall overlapping inwall working procedure |
| CN110220638A (en) * | 2019-06-19 | 2019-09-10 | 中铁隧道局集团有限公司 | One kind being used for the shield/tunnel TBM osmometer installation device for sealing and its installation method |
| CN110630277B (en) * | 2019-10-25 | 2024-05-14 | 浙江大学城市学院 | Protection structure of existing tunnel under shield short-distance crossing working condition and construction method |
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2021
- 2021-10-09 CN CN202111175294.8A patent/CN113898375B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212003197U (en) * | 2020-04-15 | 2020-11-24 | 中铁十一局集团城市轨道工程有限公司 | Subway station tunnel door ring beam seepage-proofing drainage construction structure |
| CN111551307A (en) * | 2020-06-11 | 2020-08-18 | 广东科正水电与建筑工程质量检测站 | Shield method tunnel external water pressure monitoring device and monitoring method |
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| CN113898375A (en) | 2022-01-07 |
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