CN110593911A - Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof - Google Patents
Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof Download PDFInfo
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- CN110593911A CN110593911A CN201910948500.0A CN201910948500A CN110593911A CN 110593911 A CN110593911 A CN 110593911A CN 201910948500 A CN201910948500 A CN 201910948500A CN 110593911 A CN110593911 A CN 110593911A
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- arc
- longitudinal
- tenon
- shield tunnel
- circumferential
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 210000004379 membrane Anatomy 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 210000002219 extraembryonic membrane Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
-
- 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
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/155—Laggings made of strips, slats, slabs or sheet piles
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a self-anchored shield tunnel reinforcing system without a support rod piece and a construction method thereof, wherein the shield tunnel reinforcing system is tightly attached to the inner side of an existing shield tunnel, is assembled into a ring by a plurality of circumferential arc-shaped support blocks and then is assembled into a plurality of rings longitudinally; the supporting block rings and the longitudinal two sides are respectively provided with a tenon and a mortise, and the adjacent supporting blocks are mutually anchored through the tenons and the tenons. The reinforcing method is used for reinforcing the influence areas of disturbance or deformation and the like of the existing shield tunnel, has simple and clear structural form and reasonable stress, fully utilizes the characteristics of factory processing, quick installation, high bearing capacity, reusability and the like of steel members, ingeniously utilizes the advantages of the concave-convex mortise-tenon structure, quickly forms an effective self-anchored type supporting-rod-piece-free reinforcing system, effectively inhibits deformation, ensures the structural safety and ovality requirements of the shield tunnel, and ensures that the reinforced shield tunnel has normal traffic capacity.
Description
Technical Field
The invention belongs to the technical field of tunnels and underground engineering, and particularly relates to a self-anchored shield tunnel reinforcing system without supporting rods and a construction method thereof.
Background
With the continuous improvement of construction technology, construction level and construction requirements, more and more new processes and new construction methods are applied to the construction of tunnels and underground engineering, and shield machines are taken as typical representatives of tunnel mechanical excavation and are gradually and widely applied to the tunnel construction in the fields of traffic engineering, hydraulic engineering and urban rail transit. Particularly, in the construction of tunnels crossing rivers and urban tunnels, the shield tunneling machine gradually becomes the first choice of various construction methods due to the advantages of rapidness, safety, high quality, environmental protection, civilized construction and the like.
The construction of adjacent projects around the shield tunnel or the change of underground environment and the like tend to break the stress balance of the existing structure, so that certain deformation and even potential safety hazards exist. Therefore, a fast reinforcing system is required to solve the influence of disturbance or deformation on the existing shield tunnel and ensure the normal traffic capacity, the structural safety and the smooth construction of the surrounding engineering of the shield tunnel.
Disclosure of Invention
The invention aims to provide a self-anchored shield tunnel reinforcing system without support rods and a construction method thereof, which can ensure the normal traffic capacity, the structural safety and the smooth construction of peripheral engineering after the existing shield tunnel stress balance system is broken, and reduce the construction risk.
The technical scheme adopted by the invention is as follows:
from shield tunnel reinforcement system of anchor formula no support member, its characterized in that:
the shield tunnel reinforcing system is tightly attached to the inner side of the existing shield tunnel and is formed by assembling a plurality of annular arc-shaped supporting blocks into a ring and then assembling a plurality of longitudinal rings;
the supporting blocks are longitudinally assembled through the longitudinal tenons and the longitudinal tenons.
The supporting block is arc plate shape, the inside is supporting framework, and the supporting framework is provided with panels on the inner and outer surfaces.
The supporting framework of the supporting block comprises two annular arc-shaped frames and two radial straight frames, radial straight rib plates and annular arc rib plates which are mutually perpendicular and staggered are arranged in the framework, the straight rib plates are parallel to the straight frames, and the arc rib plates are parallel to the arc-shaped frames.
The arc-shaped frame on one circumferential side of the supporting block supporting framework is provided with a circumferential tenon, the arc-shaped frame on the other side is an arc-shaped frame with a groove, the groove is a circumferential concave tenon, and the position of the groove corresponds to the circumferential tenon;
the annular tenon and the annular concave tenon are both in a block shape.
The straight frame on one longitudinal side of the supporting block supporting framework is provided with a longitudinal tenon, and the straight frame on the other longitudinal side of the supporting block supporting framework is provided with a longitudinal tenon, and the position of the longitudinal tenon corresponds to that of the longitudinal tenon;
the longitudinal tenon and the longitudinal mortise are both in a straight strip shape.
The circumferential seams of the supporting blocks and the circumferential seams of the segments are arranged in a staggered manner.
The arc-shaped frame, the arc-shaped rib plate, the arc-shaped frame with the groove, the straight frame, the straight rib plate, the longitudinal tenon, the longitudinal concave tenon, the annular tenon and the annular concave tenon are all angle steel, channel steel or I-shaped steel, the panel is a steel plate, and all the parts are fixedly connected through a welding mode.
The thickness of the single supporting block is 150-300 mm, the longitudinal length is 0.8-2.0 m, the circumferential radian is 30-60 degrees, and the single supporting block is suitable for a shield tunnel with the outer diameter of 6.0-14.0 m;
the distance between two adjacent arc-shaped rib plates and two straight rib plates is 0.3-0.5 m;
the thickness of the panel is 5-20 mm.
The longitudinal tenon and the longitudinal mortise are arranged in a through length mode, and the height of the longitudinal tenon is matched with the depth of the longitudinal mortise and is 10-50 mm;
the circumferential tenon and the circumferential concave tenon are circumferentially spaced by 0.3-0.5 m, and the circumferential tenon height is matched with the circumferential concave tenon depth and is 10-50 mm.
The construction method of the shield tunnel reinforcing system of the self-anchored type support-free rod piece is characterized in that:
the method is realized by the following steps:
the method comprises the following steps: factory blanking, manufacturing a tire membrane:
in a factory, blanking is carried out according to the actual size, and a fetal membrane for processing a support framework is accurately manufactured;
step two: manufacturing a support framework system:
the arc-shaped frame, the arc-shaped rib plates, the arc-shaped frame with the grooves, the straight frame and the straight rib plates are accurately positioned by combining the tire membranes, and the arc-shaped frame, the arc-shaped rib plates, the arc-shaped frame with the grooves and the straight frame are firmly welded; the straight frame, the straight rib plate, the arc frame, the arc rib plate and the arc frame with the groove are welded into a whole, so that the integral stability of the supporting framework is ensured;
step three: processing concave-convex mortises:
welding a longitudinal tenon and a longitudinal mortise which meet the requirements on the outer side of the straight frame; respectively welding an annular tenon and an annular concave tenon on the outer sides of the arc-shaped frame and the arc-shaped frame with the groove;
step four: welding a panel:
welding a panel, finishing the factory processing of the supporting block, and storing;
step five: assembling and forming on the delivery site:
and conveying the supporting blocks from a factory to an assembly site, and symmetrically installing the supporting blocks from bottom to top to form a closed ring.
The invention has the following advantages:
the method is used for reinforcing the influence area of disturbance or deformation and the like of the existing shield tunnel. The structure is simple and clear in type and reasonable in stress, the characteristics of rapid installation, high bearing capacity, reusability and the like of the steel support are fully utilized, the specific conditions of the existing structure such as the structure type, the space size and the like are comprehensively considered, the advantages of the concave-convex tenon-and-mortise structure are ingeniously utilized, an effective self-anchored type unsupported rod piece reinforcing system is rapidly formed, the deformation is effectively inhibited, the requirements on the structural safety and the ellipticity of the shield tunnel are ensured, and the shield tunnel has normal traffic capacity; the integral rigidity of the reinforcing system is changed at will by adjusting the distance between the straight rib plate and the arc rib plate or the thickness of the supporting block or filling the interior of the block body; meanwhile, the structure has strong operability, can realize industrial operation, has high repeated utilization rate and higher economic and social benefits, and has wide application value in the field of shield tunnel engineering.
Drawings
FIG. 1 is a structural elevation of the present invention.
Fig. 2 is a plan view of the support block.
FIG. 3 is a sectional view taken along line I-I.
FIG. 4 is a sectional view taken along line II-II.
In the figure, A is a shield tunnel, B is a supporting block, C is a segment joint, 1 is an arc frame, 2 is an arc rib plate, 3 is an arc frame with a groove, 4 is a straight frame, 5 is a straight rib plate, 6 is a panel, 7 is a longitudinal tenon, 8 is a longitudinal concave tenon, 9 is a circumferential tenon and 10 is a circumferential concave tenon.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a self-anchored shield tunnel reinforcing system without support rods, which is tightly attached to the inner side of an existing shield tunnel A and is formed by assembling a plurality of annular arc-shaped support blocks B into a ring and then longitudinally assembling a plurality of rings. The shield tunnel A is a prefabricated reinforced concrete structure or a steel pipe sheet. The circumferential two sides of the supporting block B are respectively provided with a longitudinal tenon 7 and a longitudinal mortise 8, the circumferential two sides are respectively provided with a circumferential tenon 9 and a circumferential mortise 10, and the circumferential and longitudinal adjacent supporting blocks B are assembled through the tenons and the tenons to form a self-anchoring support-free rod system. The circumferential seams of the supporting blocks B and the circumferential segment seams C are arranged in a staggered mode.
The supporting block B is arc-shaped, the inside of the supporting block B is provided with a supporting framework, and panels 6 are arranged on the inner surface and the outer surface of the supporting framework. The supporting framework of supporting shoe B includes annular two arc frames 1 and radial two straight frames 4, is provided with perpendicular crisscross radial straight rib plate 5 of each other and annular arc floor 2 in the frame, and straight rib plate 5 is parallel with straight frame 4, and arc floor 2 is parallel with arc frame 1. The integral rigidity of the reinforcing system can be changed at will by adjusting the distance between the straight rib plate 5 and the arc rib plate 2 or the thickness of the supporting block B or filling the interior of the block body, so as to meet the requirements of various conditions.
The arc-shaped frame 1 at one longitudinal side of the supporting framework of the supporting block B is provided with an annular tenon 9, the arc-shaped frame 1 at the other longitudinal side is an arc-shaped frame 3 with a groove, the groove is an annular tenon 10, and the position of the groove corresponds to the annular tenon 9; the annular tenon 9 and the annular tenon 10 are both block bodies.
The straight frame 4 on one side of the supporting framework of the supporting block B in the circumferential direction is provided with a longitudinal tenon 7, the straight frame 4 on the other side is provided with a longitudinal tenon 8, and the position of the longitudinal tenon corresponds to the circumferential tenon 7; the longitudinal tenon 7 and the longitudinal mortise 8 are both strip-shaped.
Arc frame 1, arc floor 2, the arc frame 3 of taking the recess, straight frame 4, straight floor 5, vertical tenon 7, vertical tenon 8, hoop tenon 9 and hoop tenon 10 are shaped steel or combination shaped steel such as angle steel, channel-section steel, I-steel, and panel 6 is the steel sheet, and each part is through welding mode fixed connection, ensures the support chassis overall stability. The inner panel 6 and the outer panel 6 are cambered surfaces, concentric arc surfaces with the existing shield tunnel A and perpendicular to the supporting framework.
The thickness of the single supporting block B is 150-300 mm, the longitudinal length is 0.8-2.0 m, the circumferential radian is 30-60 degrees, and the single supporting block B is suitable for a shield tunnel with the outer diameter of 6.0-14.0 m; the distance between two adjacent arc-shaped rib plates 2 and two straight rib plates 5 is 0.3-0.5 m; the thickness of the panel 6 is 5-20 mm.
The longitudinal tenon 7 and the longitudinal mortise 8 are arranged in a through length mode, and the height of the longitudinal tenon 7 is matched with the depth of the longitudinal mortise 8 and ranges from 10 mm to 50 mm; the circumferential tenon 9 and the circumferential concave tenon 10 are circumferentially spaced by 0.3-0.5 m, and the height of the circumferential tenon 9 is matched with the depth of the circumferential concave tenon 10, and is 10-50 mm.
The present invention is generally sized based on the structural style and spatial dimensions of the existing structure, and the structural members are sufficiently rigid to resist the stress changes caused by the adjacent surrounding engineering construction or the change of underground environment.
The invention adopts a closed ring structure formed by splicing a plurality of supporting blocks, is tightly attached to the inner side of the existing shield tunnel, and is anchored through a ring and a longitudinal concave-convex mortise arranged on each supporting block to form a self-anchoring support-free rod piece system. Meanwhile, the integral rigidity of the reinforcing system can be changed at will by adjusting the distance between the straight rib plate and the arc rib plate or the thickness of the supporting block or filling the interior of the block body, so that the requirements of various conditions are met.
The method can meet the requirement of reinforcing the influence area of disturbance or deformation and the like of the existing shield tunnel. After the invention is applied, with the differences of the existing structure space size, the structure type, the construction method of the adjacent engineering, the geological conditions, the tunnel burial depth, the surrounding environment and the like adopted in the concrete engineering, the relevant structure parameters can be larger or smaller, more or less, longer or shorter, stronger or weaker according to the actual engineering requirements, such as: the support block comprises arc-shaped frames, arc-shaped rib plates, arc-shaped frames with grooves, straight frames, straight rib plates, panels, circumferential tenons, circumferential concave tenons, longitudinal concave tenons and the like, and the number, the type, the interval, the overall thickness and the width of the support block, the longitudinal tenons and the longitudinal concave tenons are equal.
The construction method of the shield tunnel reinforcing system of the self-anchored type support-free rod piece is realized by the following steps:
the method comprises the following steps: factory blanking, manufacturing a tire membrane:
in a factory, blanking is carried out according to the actual size, and a fetal membrane for processing a support framework is accurately manufactured;
step two: manufacturing a support framework system:
the arc-shaped frame 1, the arc-shaped rib plates 2, the arc-shaped frame 3 with the groove, the straight frame 4 and the straight rib plates 5 are accurately positioned by combining the tire membrane, and the arc-shaped frame 1, the arc-shaped rib plates 2, the arc-shaped frame 3 with the groove and the straight frame 4 are firmly welded; the straight frame 4 and the straight rib plates 5 are welded with the arc frame 1, the arc rib plates 2 and the arc frame 3 with the grooves into a whole, so that the integral stability of the supporting framework is ensured;
step three: processing concave-convex mortises:
welding a longitudinal tenon 7 and a longitudinal mortise 8 which meet the requirements on the outer side of the straight frame 4; the outer sides of the arc-shaped frame 1 and the arc-shaped frame 3 with the groove are respectively welded with a circumferential tenon 9 and a circumferential mortise 10;
step four: welding a panel:
welding a panel 6, finishing the factory processing of the supporting block B and storing;
step five: assembling and forming on the delivery site:
and conveying the supporting blocks B from a factory to an assembly site, and symmetrically installing the supporting blocks B from bottom to top to form a closed ring.
The reinforcing system is used for reinforcing the influence areas of disturbance or deformation and the like of the existing shield tunnel, the reinforcing system is tightly attached to the inner side of the existing shield tunnel, a closed annular structure is formed by splicing a plurality of supporting blocks, self-anchoring is realized through rings and longitudinal concave-convex mortises arranged on the adjacent supporting blocks, and the reinforcing system without supporting rods is formed; and the integral rigidity of the reinforcing system can be changed by adjusting the distance between the straight rib plate and the arc rib plate or the thickness of the supporting block or filling the interior of the block body, so that the deformation is inhibited, and the normal traffic capacity and the structural safety are ensured.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (10)
1. From shield tunnel reinforcement system of anchor formula no support member, its characterized in that:
the shield tunnel reinforcing system is tightly attached to the inner side of the existing shield tunnel (A), and is formed by assembling a plurality of annular arc-shaped supporting blocks (B) into a ring and then assembling a plurality of longitudinal rings;
longitudinal tenons (7) and longitudinal tenons (8) are respectively arranged on the two longitudinal sides of the supporting block (B), annular tenons (9) and annular tenons (10) are respectively arranged on the two annular sides, and the supporting blocks (B) which are adjacent in the annular direction and the longitudinal direction are assembled through the tenons and the tenons.
2. The self-anchored, unsupported rod segment shield tunnel reinforcement system according to claim 1, wherein:
the supporting block (B) is arc-shaped, the inside of the supporting block (B) is provided with a supporting framework, and the supporting framework is provided with panels (6) on the inner surface and the outer surface.
3. The self-anchored unsupported rod shield tunnel reinforcement system of claim 2, wherein:
the supporting framework of supporting shoe (B) includes annular two arc frames (1) and radial two straight frames (4), is provided with perpendicular crisscross radial straight rib plate (5) of each other and annular arc floor (2) in the frame, and straight rib plate (5) are parallel with straight frame (4), and arc floor (2) are parallel with arc frame (1).
4. The self-anchored unsupported rod shield tunnel reinforcement system of claim 3, wherein:
the supporting block (B) supports the arc-shaped frame (1) on one circumferential side of the framework and is provided with a circumferential tenon (9), the arc-shaped frame (1) on the other side is an arc-shaped frame (3) with a groove, the groove is a circumferential tenon (10), and the position of the groove corresponds to the circumferential tenon (9);
the annular tenon (9) and the annular mortise (10) are both in block shapes.
5. The self-anchored unsupported rod shield tunnel reinforcement system of claim 4, wherein:
a straight frame (4) on one longitudinal side of the supporting framework of the supporting block (B) is provided with a longitudinal tenon (7), a straight frame (4) on the other longitudinal side is provided with a longitudinal tenon (8), and the position of the longitudinal tenon corresponds to that of the longitudinal tenon (7);
the longitudinal tenon (7) and the longitudinal mortise (8) are both in a straight strip shape.
6. The self-anchored, unsupported rod segment shield tunnel reinforcement system according to claim 5, wherein:
the circumferential seams of the supporting blocks (B) and the circumferential segment seams (C) are arranged in a staggered mode.
7. The self-anchored, unsupported rod segment shield tunnel reinforcement system according to claim 6, wherein:
the steel plate is characterized in that the arc-shaped frame (1), the arc-shaped rib plates (2), the arc-shaped frame (3) with the grooves, the straight frame (4), the straight rib plates (5), the longitudinal tenons (7), the longitudinal tenons (8), the circumferential tenons (9) and the circumferential tenons (10) are all angle steel, channel steel or I-shaped steel, the panel (6) is a steel plate, and all parts are fixedly connected through a welding mode.
8. The self-anchored, unsupported rod segment shield tunnel reinforcement system according to claim 7, wherein:
the thickness of the single supporting block (B) is 150-300 mm, the longitudinal length is 0.8-2.0 m, the circumferential radian is 30-60 degrees, and the single supporting block (B) is suitable for a shield tunnel with the outer diameter of 6.0-14.0 m;
the distance between two adjacent arc-shaped rib plates (2) and two straight rib plates (5) is 0.3-0.5 m;
the thickness of the panel (6) is 5-20 mm.
9. The self-anchored, unsupported rod segment shield tunnel reinforcement system according to claim 8, wherein:
the longitudinal tenon (7) and the longitudinal mortise (8) are arranged in a through length mode, and the height of the longitudinal tenon (7) is matched with the depth of the longitudinal mortise (8) and is 10-50 mm;
the circumferential tenon (9) and the circumferential concave tenon (10) are circumferentially spaced by 0.3-0.5 m, and the height of the circumferential tenon (9) is matched with the depth of the circumferential concave tenon (10) by 10-50 mm.
10. The construction method of the shield tunnel reinforcing system of the self-anchored type support-free rod piece is characterized in that:
the method is realized by the following steps:
the method comprises the following steps: factory blanking, manufacturing a tire membrane:
in a factory, blanking is carried out according to the actual size, and a fetal membrane for processing a support framework is accurately manufactured;
step two: manufacturing a support framework system:
the arc-shaped frame (1), the arc-shaped rib plates (2), the arc-shaped frame (3) with the grooves, the straight frame (4) and the straight rib plates (5) are accurately positioned by combining the tire membrane, and the arc-shaped frame (1), the arc-shaped rib plates (2), the arc-shaped frame (3) with the grooves and the straight frame (4) are firmly welded; the straight frame (4), the straight rib plates (5), the arc frame (1), the arc rib plates (2) and the arc frame (3) with the grooves are welded into a whole, so that the integral stability of the support framework is ensured;
step three: processing concave-convex mortises:
welding a longitudinal tenon (7) and a longitudinal mortise (8) which meet the requirements on the outer side of the straight frame (4); the outer sides of the arc-shaped frame (1) and the arc-shaped frame (3) with the groove are respectively welded with a circumferential tenon (9) and a circumferential mortise (10);
step four: welding a panel:
welding a panel (6), finishing factory processing of the supporting block (B) and storing;
step five: assembling and forming on the delivery site:
transporting the supporting blocks (B) from a factory to an assembly site, and symmetrically installing the supporting blocks (B) from bottom to top to form a closed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948500.0A CN110593911A (en) | 2019-10-08 | 2019-10-08 | Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948500.0A CN110593911A (en) | 2019-10-08 | 2019-10-08 | Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593911A true CN110593911A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910948500.0A Pending CN110593911A (en) | 2019-10-08 | 2019-10-08 | Self-anchored shield tunnel reinforcing system without support rod pieces and construction method thereof |
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| CN (1) | CN110593911A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305065A (en) * | 2020-04-01 | 2020-06-19 | 中铁第一勘察设计院集团有限公司 | Assembled bridge protection plate structure system and construction method thereof |
| CN114061992A (en) * | 2020-08-06 | 2022-02-18 | 中国电建集团华东勘测设计研究院有限公司 | Assembled model groove device for indoor shield tunneling test and test method thereof |
-
2019
- 2019-10-08 CN CN201910948500.0A patent/CN110593911A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305065A (en) * | 2020-04-01 | 2020-06-19 | 中铁第一勘察设计院集团有限公司 | Assembled bridge protection plate structure system and construction method thereof |
| CN114061992A (en) * | 2020-08-06 | 2022-02-18 | 中国电建集团华东勘测设计研究院有限公司 | Assembled model groove device for indoor shield tunneling test and test method thereof |
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