CN105756685A - Segmental lining reinforcing type combined supporting structure - Google Patents
Segmental lining reinforcing type combined supporting structure Download PDFInfo
- Publication number
- CN105756685A CN105756685A CN201610284640.9A CN201610284640A CN105756685A CN 105756685 A CN105756685 A CN 105756685A CN 201610284640 A CN201610284640 A CN 201610284640A CN 105756685 A CN105756685 A CN 105756685A
- Authority
- CN
- China
- Prior art keywords
- jurisdiction
- section
- pipe
- retaining structure
- plate lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 12
- 238000003491 array Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 6
- 238000007363 ring formation reaction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- 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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- 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
- 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
- E21D11/385—Sealing means positioned between adjacent lining members
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
Landscapes
- 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)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a segmental lining reinforcing type combined supporting structure which comprises segments and arch-shaped racks, wherein the segments are made of reinforcing steel bars and concrete; the radial cross sections of the arch-shaped racks are C-shaped; mounting grooves are respectively formed in two sides of the segments; one arch-shaped rack is mounted inside mounting grooves of every two adjacent segments and is fixedly connected with the two adjacent segments; the outer sides of the arch-shaped racks are opened. According to the segmental lining reinforcing type combined supporting structure disclosed by the invention, every two adjacent segments are fixedly connected through the arc-shaped rack, so that the overall rigidity of a joint part can be improved, meanwhile slab staggering of the joint part is reduced, and the number of hand holes of the segments is reduced; due to the mounting grooves in two sides of the segments, a step-shaped joint is formed between every two adjacent segments, so that the waterproof property of the joint is improved, and the segmental lining reinforcing type combined supporting structure is particularly applicable to tunnel construction under geological conditions of high ground stress and large deformation.
Description
Technical field
The present invention relates to a kind of pipe-plate lining supporting construction for Tunnel Engineering, particularly relate to a kind of reinforced combined retaining structure of pipe-plate lining.
Background technology
Pipe-plate lining, as the one of tunnel support structure, is formed by prefabricated pipe sheet assembling.Tunnel is longitudinally assembled by multi-ring assembled section of jurisdiction ring, and every endless tube sheet is formed by connecting by hoop bolt by a number of prefabricated reinforced concrete section of jurisdiction again.Pipe-plate lining as the one of tunnel support structure, after there is assembled cyclization because of it can immediately stress, be conducive to the feature of mechanized construction, be widely used in the tunnel of shield method or the construction of TBM method.
In recent years, along with the development of high-speed railway, growing up, buried railway tunnel gets more and more, these railway tunnel easily meet with this bad geological phenomenon of high-ground stress in geology.When adopting shield formula tunneler (TBM) to construct, this high-ground stress is easily caused assembling pipe-plate lining and produces serious deformation because of its support rigidity deficiency, thus causing the phenomenon of section of jurisdiction faulting of slab ends and percolating water, forcing and design process is abandoned pipe-plate lining structure.Therefore, under high-ground stress large deformation geological conditions, rigidity and the intensity of existing assembling pipe-plate lining need to be improved, a kind of reinforced combined retaining structure of pipe-plate lining of exploitation, limit breaking through the use to existing pipe-plate lining structure of the high-ground stress geological conditions.
Summary of the invention
The purpose of the present invention is that provides a kind of reinforced combined retaining structure of pipe-plate lining with bigger support rigidity to solve the problems referred to above.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of reinforced combined retaining structure of pipe-plate lining, including the section of jurisdiction by reinforcing bar and concrete for making, also include the arched frame equal with described section of jurisdiction internal diameter, the radial section of described arched frame is " C " shape, described section of jurisdiction be respectively provided on two sides with installation groove, described arched frame is installed in the installation groove of adjacent two described sections of jurisdiction and connection fixing with adjacent two described sections of jurisdiction, the outer openings of described arched frame.
For the ease of realize between arched frame and section of jurisdiction quick, be stably connected with, the bottom position installing groove being positioned at correspondence in described section of jurisdiction is provided with pre-embedded bolt connector, and the base plate inside same described arched frame is connected with the pre-embedded bolt connector in adjacent two described sections of jurisdiction respectively by bolt.
As preferably, the front portion of two described bolts of symmetric arrays is connected with two described pre-embedded bolt connectors after being each passed through the through hole on the base plate inside arched frame, the nut of described bolt is placed in the cavity of described arched frame, fill concrete in the cavity of described arched frame.
For the ease of installing bolt and stable connection, two described bolt relative tilts of symmetric arrays are installed, angle between two described bolts of symmetric arrays is 60-90 °, and region corresponding with described bolt in the inner bottom surface inside described arched frame is the inclined-plane bonded to each other with the nut of described bolt.
In order to realize better waterproof, between the both sides of the edge of adjacent two described sections of jurisdiction, it is provided with water proof rubber bar.
Preferably, described arched frame is steel bar.
Further, the reinforced combined retaining structure of described pipe-plate lining also includes threaded anchor rod, embedded anchor bar connector it is provided with in described section of jurisdiction, the two ends of described embedded anchor bar connector flush with the corresponding surface of described section of jurisdiction, described embedded anchor bar connector is provided with the anchor pole through hole of both ends open, the hole wall of described anchor pole through hole is provided with the female thread supporting with the external screw thread of described embedded anchor bar connector, the central axial direction of described anchor pole through hole is identical with the cambered surface radial direction of described section of jurisdiction, the anchor pole through hole of the described threaded anchor rod described embedded anchor bar connector of traverse.
Further, described embedded anchor bar connector is provided with water-swellable water proof rubber block near one end of described section of jurisdiction arcuate surface；Being provided with multiple barb reinforcing bar near one end of described section of jurisdiction inner concave on described embedded anchor bar connector, described barb reinforcing bar is provided with barb, and the " u "-shaped opening of described barb points to inner concave direction, described section of jurisdiction.Above-mentioned water-swellable water proof rubber block is used for preventing before threaded anchor rod installation and section of jurisdiction infiltration after installation, and barb reinforcing bar is used for the anchorage effect strengthening embedded anchor bar connector with section of jurisdiction.
Specifically, described water-swellable water proof rubber block is 3-5cm at the thickness of the cambered surface radial direction of described section of jurisdiction；It is 2-3cm that described threaded anchor rod stretches out the length of described section of jurisdiction inner concave.
Being provided with four described embedded anchor bar connectors in each described section of jurisdiction, the connecting line of four described embedded anchor bar connectors forms rectangle.
The beneficial effects of the present invention is:
1, fixing by arched frame connection between adjacent two sections of jurisdiction, the integral rigidity making seam areas is improved, later stage high-ground stress large deformation can be reduced or segment joint position faulting of slab ends that other factors cause, and decrease the quantity of section of jurisdiction hand hole, it is to avoid a large amount of hand holes weakenings to tunnel segment structure intensity；The installation groove of both sides, section of jurisdiction makes to form step-like seam between adjacent two sections of jurisdiction so that it is the water resistance of seam crossing is improved；
2, threaded anchor rod enters rock mass in tunnel after the hydro-expansive rubber block of the embedded anchor bar connector within section of jurisdiction and front end, installs rapid and convenient, does not affect construction speed；Water-swellable water proof rubber block is set in one end of embedded anchor bar connector, it is possible to prevent the water in rock mass in tunnel from entering tunnel internal by the through hole of embedded anchor bar connector before installing threaded anchor rod and after installing；It addition, under large ground pressure, country rock is susceptible to creep, uses suspension roof support to be conducive to playing the self-bearing ability of country rock, improve the stress condition of section of jurisdiction, improve supporting intensity；
3, by arched frame and two kinds of structural integrity of threaded anchor rod in one, with the supporting construction that section of jurisdiction is collectively forming tunnel, respective effect can be given full play to, significantly improve support rigidity and supporting intensity, support rigidity is substantially increased under the premise not increasing section of jurisdiction thickness, can relatively fast and efficient ground deformation controlling for rock surrounding gateways, be especially suitable for high-ground stress large deformation area constructing tunnel；Or, under the premise that support rigidity is constant, reduce section of jurisdiction thickness, save the prefabricated material of section of jurisdiction processing, manpower and time cost.
Accompanying drawing explanation
Fig. 1 is the perspective view of the reinforced combined retaining structure of pipe-plate lining of the present invention；
Schematic diagram cuts open in the attachment structure office that Fig. 2 is section of jurisdiction of the present invention, threaded anchor rod and embedded anchor bar connector；
Schematic diagram cuts open in the attachment structure office that Fig. 3 is section of jurisdiction of the present invention, arched frame and pre-embedded bolt connector.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
nullSuch as Fig. 1、Shown in Fig. 2 and Fig. 3，The reinforced combined retaining structure of pipe-plate lining of the present invention includes by the section of jurisdiction 1 of reinforcing bar and concrete for making、The arch-shaped steel frame 5 equal with section of jurisdiction 1 internal diameter and self-advancing type threaded anchor rod 4，The radial section of arch-shaped steel frame 5 is " C " shape，Groove 6 is installed in being respectively provided on two sides with of section of jurisdiction 1，The bottom position installing groove 6 being positioned at correspondence in section of jurisdiction 1 is provided with pre-embedded bolt connector 3，Arch-shaped steel frame 5 is installed in the installation groove 6 of adjacent two sections of jurisdiction 1 and fixes with adjacent two sections of jurisdiction 1 and connects，It is provided with water proof rubber bar 7 between the both sides of the edge of adjacent two sections of jurisdiction 1，The outer openings of arch-shaped steel frame 5，Base plate inside same arch-shaped steel frame 5 is connected with the pre-embedded bolt connector 3 in adjacent two sections of jurisdiction 1 respectively by bolt 5c，The front portion of two bolt 5c of symmetric arrays is connected with two pre-embedded bolt connectors 3 after being each passed through the through hole on the base plate inside arch-shaped steel frame 5，Two bolt 5c relative tilts of symmetric arrays are installed，Angle between two bolt 5c of symmetric arrays is 60-90 °，Region corresponding with bolt 5c in inner bottom surface inside arch-shaped steel frame 5 is the inclined-plane 5a bonded to each other with the nut of bolt 5c，The nut of bolt 5c is placed in the cavity 5b of arch-shaped steel frame 5，Fill concrete in the cavity 5b of arch-shaped steel frame 5；Four embedded anchor bar connectors 2 it are provided with in section of jurisdiction 1, the connecting line of four embedded anchor bar connectors 2 forms rectangle, the two ends of embedded anchor bar connector 2 flush with the corresponding surface of section of jurisdiction 1, embedded anchor bar connector 2 is provided with the anchor pole through hole (unmarked in figure) of both ends open, the hole wall of described anchor pole through hole is provided with the female thread supporting with the external screw thread of embedded anchor bar connector 2, the central axial direction of described anchor pole through hole is identical with the cambered surface radial direction of section of jurisdiction 1, the anchor pole through hole of self-advancing type threaded anchor rod 4 traverse embedded anchor bar connector 2, on embedded anchor bar connector 2, one end of the arcuate surface of close section of jurisdiction 1 is provided with water-swellable water proof rubber block 2b；On embedded anchor bar connector 2, one end of the inner concave of close section of jurisdiction 1 is provided with multiple barb reinforcing bar 2a, barb reinforcing bar 2a is provided with barb (unmarked in figure), the " u "-shaped opening of described barb points to the inner concave direction of described section of jurisdiction 1, water-swellable water proof rubber block 2b is 3-5cm at the thickness of the cambered surface radial direction of section of jurisdiction 1, and it is 2-3cm that threaded anchor rod 4 stretches out the length of the inner concave of section of jurisdiction 1.Above-mentioned arch-shaped steel frame 5 is the arch steel bar that radial section is " C " shape, and the length of arch-shaped steel frame 5 can be consistent with section of jurisdiction 1, it is also possible to inconsistent.
Also show the hole for hoist 1a on the section of jurisdiction 1 and steel bar stress 1e that also show in section of jurisdiction 1 in section of jurisdiction hand hole 1b, Fig. 2 and concrete 1f in Fig. 1, these are conventional structure, do not illustrate.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, installation steps when the reinforced combined retaining structure of pipe-plate lining of the present invention is applied are:
(1) first by assembled for section of jurisdiction 1 cyclization: development machine advances after terminating, by the bolt of hoop assembled cyclization rapidly, it is contemplated that the seam crossing of adjacent two sections of jurisdiction 1 is non-planar, should use step-like support boots pushing tow on section of jurisdiction 1；
(2) self-advancing type threaded anchor rod 4 is installed: after cyclization is installed in section of jurisdiction 1, the self-advancing type threaded anchor rod 4 of solid construction penetrates section of jurisdiction 1 from the anchor pole through hole within embedded anchor bar connector 2, squeezes into rock mass in tunnel, and uses pallet and nut to complete to fix；
(3) installing the arch-shaped steel frame 5 between adjacent two sections of jurisdiction 1: after self-advancing type threaded anchor rod 4 installation, mounting arch shaped steel frame 5 in the installation groove 6 of section of jurisdiction 1, arch-shaped steel frame 5 is fixed by bolt 5c and pre-embedded bolt connector 3, plays support action；
(4) so far, complete the overall installation of an endless tube sheet, fasten hoop and axial bolt successively respectively again, with the cavity 5b of Concrete Filled arch-shaped steel frame 5, then carry out the assembly of next endless tube sheet.
As can be seen from the above-described embodiment, the reinforced combined retaining structure of pipe-plate lining that the present invention proposes adds arch-shaped steel frame 5 and self-advancing type threaded anchor rod 4 on the basis of section of jurisdiction 1, support rigidity and intensity significantly improve, it is suitable as under high-ground stress large deformation geological conditions the supporting construction of Tunneling System, compared to existing assembling pipe-plate lining, this support system can efficiently reduce deformation and the faulting of slab ends of section of jurisdiction 1.
Above-described embodiment is presently preferred embodiments of the present invention; it it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, be regarded as falling within the scope of the rights protection of patent of the present invention.
Claims (10)
1. the reinforced combined retaining structure of pipe-plate lining, including the section of jurisdiction by reinforcing bar and concrete for making, it is characterized in that: also include the arched frame equal with described section of jurisdiction internal diameter, the radial section of described arched frame is " C " shape, described section of jurisdiction be respectively provided on two sides with installation groove, described arched frame is installed in the installation groove of adjacent two described sections of jurisdiction and connection fixing with adjacent two described sections of jurisdiction, the outer openings of described arched frame.
2. the reinforced combined retaining structure of pipe-plate lining according to claim 1, it is characterized in that: the bottom position installing groove being positioned at correspondence in described section of jurisdiction is provided with pre-embedded bolt connector, and the base plate inside same described arched frame is connected with the pre-embedded bolt connector in adjacent two described sections of jurisdiction respectively by bolt.
3. the reinforced combined retaining structure of pipe-plate lining according to claim 2, it is characterized in that: the front portion of two described bolts of symmetric arrays is connected with two described pre-embedded bolt connectors after being each passed through the through hole on the base plate inside arched frame, the nut of described bolt is placed in the cavity of described arched frame, fill concrete in the cavity of described arched frame.
4. the reinforced combined retaining structure of pipe-plate lining according to claim 3, it is characterized in that: two described bolt relative tilts of symmetric arrays are installed, angle between two described bolts of symmetric arrays is 60-90 °, and region corresponding with described bolt in the inner bottom surface inside described arched frame is the inclined-plane bonded to each other with the nut of described bolt.
5. the reinforced combined retaining structure of pipe-plate lining in any of the one of claim 1-4, it is characterised in that: it is provided with water proof rubber bar between the both sides of the edge of adjacent two described sections of jurisdiction.
6. the reinforced combined retaining structure of pipe-plate lining in any of the one of claim 1-4, it is characterised in that: described arched frame is steel bar.
7. the reinforced combined retaining structure of pipe-plate lining in any of the one of claim 1-4, it is characterized in that: the reinforced combined retaining structure of described pipe-plate lining also includes threaded anchor rod, embedded anchor bar connector it is provided with in described section of jurisdiction, the two ends of described embedded anchor bar connector flush with the corresponding surface of described section of jurisdiction, described embedded anchor bar connector is provided with the anchor pole through hole of both ends open, the hole wall of described anchor pole through hole is provided with the female thread supporting with the external screw thread of described embedded anchor bar connector, the central axial direction of described anchor pole through hole is identical with the cambered surface radial direction of described section of jurisdiction, the anchor pole through hole of the described threaded anchor rod described embedded anchor bar connector of traverse.
8. the reinforced combined retaining structure of pipe-plate lining according to claim 7, it is characterised in that: described embedded anchor bar connector is provided with water-swellable water proof rubber block near one end of described section of jurisdiction arcuate surface；Being provided with multiple barb reinforcing bar near one end of described section of jurisdiction inner concave on described embedded anchor bar connector, described barb reinforcing bar is provided with barb, and the " u "-shaped opening of described barb points to inner concave direction, described section of jurisdiction.
9. the reinforced combined retaining structure of pipe-plate lining according to claim 8, it is characterised in that: described water-swellable water proof rubber block is 3-5cm at the thickness of the cambered surface radial direction of described section of jurisdiction；It is 2-3cm that described threaded anchor rod stretches out the length of described section of jurisdiction inner concave.
10. the reinforced combined retaining structure of pipe-plate lining in any of the one of claim 1-4, it is characterised in that: being provided with four described embedded anchor bar connectors in each described section of jurisdiction, the connecting line of four described embedded anchor bar connectors forms rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284640.9A CN105756685B (en) | 2016-05-03 | 2016-05-03 | A kind of reinforced combined retaining structure of pipe-plate lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284640.9A CN105756685B (en) | 2016-05-03 | 2016-05-03 | A kind of reinforced combined retaining structure of pipe-plate lining |
Publications (2)
| Publication Number | Publication Date |
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| CN105756685A true CN105756685A (en) | 2016-07-13 |
| CN105756685B CN105756685B (en) | 2018-05-04 |
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| CN201610284640.9A Active CN105756685B (en) | 2016-05-03 | 2016-05-03 | A kind of reinforced combined retaining structure of pipe-plate lining |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795325A (en) * | 2016-08-31 | 2018-03-13 | 江苏宇隧通隧道装备有限公司 | A kind of shield steel pipe sheet and its processing technology |
| CN108457668A (en) * | 2018-03-26 | 2018-08-28 | 华能西藏雅鲁藏布江水电开发投资有限公司 | A kind of double-shielded TBM joint liner supporting structure and its construction method |
| 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 |
| CN109944604A (en) * | 2019-03-28 | 2019-06-28 | 中铁二院工程集团有限责任公司 | A kind of section of jurisdiction bayonet joint construction |
| CN110375913A (en) * | 2019-07-23 | 2019-10-25 | 中铁第四勘察设计院集团有限公司 | A kind of non-built-in type structure health monitoring method of shield tunnel |
| CN110410113A (en) * | 2019-09-08 | 2019-11-05 | 天津大学前沿技术研究院有限公司 | A kind of concrete pipe sheet filleting plugging device and method for blocking |
| CN110513123A (en) * | 2019-09-26 | 2019-11-29 | 兰州交通大学 | A kind of tunnel support system suitable for weak broken wall rock |
| CN112212072A (en) * | 2020-11-06 | 2021-01-12 | 中冶建工集团有限公司 | Detachable back support bracket system for pipe jacking construction |
| CN112796776A (en) * | 2021-02-09 | 2021-05-14 | 山东大学 | Shield tunnel segment structure and construction method thereof |
| CN112814717A (en) * | 2021-03-08 | 2021-05-18 | 长江勘测规划设计研究有限责任公司 | Using method suitable for underwater shield tunnel anchor support device |
| CN112901203A (en) * | 2020-09-09 | 2021-06-04 | 中铁二院工程集团有限责任公司 | Reinforcing structure and reinforcing method for peripheral stratum of shield and pipe-jacking tunnel |
| WO2021213094A1 (en) * | 2020-04-19 | 2021-10-28 | 中铁上海工程局集团有限公司 | Fragmented prefabricated structure of deep and large open caisson |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107795325A (en) * | 2016-08-31 | 2018-03-13 | 江苏宇隧通隧道装备有限公司 | A kind of shield steel pipe sheet and its processing technology |
| CN108457668A (en) * | 2018-03-26 | 2018-08-28 | 华能西藏雅鲁藏布江水电开发投资有限公司 | A kind of double-shielded TBM joint liner supporting structure and its construction method |
| CN108457668B (en) * | 2018-03-26 | 2019-10-18 | 华能西藏雅鲁藏布江水电开发投资有限公司 | A kind of double-shielded TBM joint liner supporting structure and its construction method |
| 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 |
| CN109944604A (en) * | 2019-03-28 | 2019-06-28 | 中铁二院工程集团有限责任公司 | A kind of section of jurisdiction bayonet joint construction |
| CN109944604B (en) * | 2019-03-28 | 2024-05-28 | 中铁二院工程集团有限责任公司 | Duct piece socket type connection structure |
| CN110375913A (en) * | 2019-07-23 | 2019-10-25 | 中铁第四勘察设计院集团有限公司 | A kind of non-built-in type structure health monitoring method of shield tunnel |
| CN110375913B (en) * | 2019-07-23 | 2021-01-12 | 中铁第四勘察设计院集团有限公司 | Health monitoring method for non-pre-embedded structure of shield tunnel |
| CN110410113A (en) * | 2019-09-08 | 2019-11-05 | 天津大学前沿技术研究院有限公司 | A kind of concrete pipe sheet filleting plugging device and method for blocking |
| CN110513123A (en) * | 2019-09-26 | 2019-11-29 | 兰州交通大学 | A kind of tunnel support system suitable for weak broken wall rock |
| CN110513123B (en) * | 2019-09-26 | 2021-07-06 | 兰州交通大学 | Tunnel supporting system suitable for weak broken country rock |
| WO2021213094A1 (en) * | 2020-04-19 | 2021-10-28 | 中铁上海工程局集团有限公司 | Fragmented prefabricated structure of deep and large open caisson |
| CN112901203A (en) * | 2020-09-09 | 2021-06-04 | 中铁二院工程集团有限责任公司 | Reinforcing structure and reinforcing method for peripheral stratum of shield and pipe-jacking tunnel |
| CN112212072B (en) * | 2020-11-06 | 2022-06-03 | 中冶建工集团有限公司 | Detachable back support bracket system for pipe jacking construction |
| CN112212072A (en) * | 2020-11-06 | 2021-01-12 | 中冶建工集团有限公司 | Detachable back support bracket system for pipe jacking construction |
| CN112796776A (en) * | 2021-02-09 | 2021-05-14 | 山东大学 | Shield tunnel segment structure and construction method thereof |
| US11965420B2 (en) | 2021-02-09 | 2024-04-23 | Shandong University | Shield tunnel segment structure and construction method thereof |
| CN112814717A (en) * | 2021-03-08 | 2021-05-18 | 长江勘测规划设计研究有限责任公司 | Using method suitable for underwater shield tunnel anchor support device |
| CN112814717B (en) * | 2021-03-08 | 2022-12-20 | 长江勘测规划设计研究有限责任公司 | Using method suitable for underwater shield tunnel anchor support device |
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