CN109595005B - Shell advance type non-excavation tunnel construction structure and construction method - Google Patents
Shell advance type non-excavation tunnel construction structure and construction method Download PDFInfo
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- CN109595005B CN109595005B CN201811384634.6A CN201811384634A CN109595005B CN 109595005 B CN109595005 B CN 109595005B CN 201811384634 A CN201811384634 A CN 201811384634A CN 109595005 B CN109595005 B CN 109595005B
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- steel shell
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- tunnel construction
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- 238000010276 construction Methods 0.000 title claims abstract description 75
- 238000009412 basement excavation Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 218
- 239000010959 steel Substances 0.000 claims abstract description 218
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 7
- 230000005641 tunneling Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Abstract
The invention discloses a shell advance type non-excavation tunnel construction structure and a construction method, wherein the shell advance type non-excavation tunnel construction structure comprises a plurality of steel shell components; in the two adjacent steel shell components, a first joint and/or a second joint are arranged on one steel shell component, and a second joint is arranged on the other steel shell component corresponding to the first joint and/or a first joint is arranged corresponding to the second joint; the plurality of steel shell components are connected end to end through the cooperation of the first connector and the second connector, and concrete is filled in all the steel shell components to form a tunnel construction structure. The tunnel construction structure does not need excavation construction, and the connected steel shell component is matched with filled concrete to directly serve as the inner wall of a tunnel, so that the connection strength is high and the waterproof performance is good; when in construction, the propelling force of the propelling device acts on the thrust transmission piece, so that the thickness of the steel shell element can be properly reduced, and the cost of the steel shell element is saved; the thrust transmission piece in the second groove can push out the thrust transmission piece in the first groove, so that the construction efficiency can be improved, and the cost of excavating equipment can be saved.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a shell advanced non-excavation tunnel construction structure and a construction method.
Background
Aiming at the construction of the traditional tunnel or pipe jacking and shield working well, the existing construction method of excavation is mostly adopted; the construction is carried out under the state that pile protection is arranged on two sides of the excavated section and supports are arranged on the upper side and the lower side. The construction method has the defects of long construction period, high construction cost and larger influence on ground traffic.
Disclosure of Invention
In order to solve the defects existing in the problems, the invention provides a shell advanced non-excavation tunnel construction structure and a construction method.
The invention provides a shell advance type non-excavation tunnel construction structure, which comprises: a plurality of steel shell assemblies;
in two adjacent steel shell components, a first joint and/or a second joint are arranged on one steel shell component, and a second joint is arranged on the other steel shell component corresponding to the first joint and/or a first joint is arranged corresponding to the second joint;
and the steel shell components are connected end to end through the cooperation of the first connector and the second connector, and concrete is filled in all the steel shell components to form a tunnel construction structure.
As a further improvement of the invention, the steel shell assembly comprises a first steel shell assembly and a second steel shell assembly, wherein the first steel shell assembly is composed of a plurality of first steel shell elements, and the second steel shell assembly is composed of a plurality of second steel shell elements; the first steel shell component is located at a corner portion of the tunnel, and the second steel shell component is located at other portions of the tunnel except the corner portion.
As a further improvement of the invention, when the tunnel cross section is rectangular, the first steel shell assembly forms four corners of the rectangular cross section and the second steel shell assembly forms four sides of the rectangular cross section.
As a further improvement of the invention, the first steel shell element is a rectangular steel shell, the second steel shell element is a C-shaped steel shell, the second joint is arranged at the C-shaped opening of the second steel shell element, the first joint is arranged on the side wall opposite to the C-shaped opening, the second joint is arranged on the first steel shell element corresponding to the first joint of the second steel shell element, and the first joint is arranged corresponding to the second joint of the second steel shell element.
As a further development of the invention, the first joint comprises a first groove for receiving a thrust transmitter and a guide groove for guiding the second joint, and the second joint comprises a second groove for receiving a thrust transmitter and a guide piece for sliding on the guide groove.
As a further improvement of the invention, the outer wall of the second groove is matched with the inner wall of the first groove, and the outer wall of the guide piece is matched with the inner wall of the guide groove.
As a further improvement of the invention, the thrust transmission piece is consistent with the length of the first steel shell element or the second steel shell element, and when the second joint of the second steel shell element is connected with the first joint of the first steel shell element, the thrust transmission piece in the second groove pushes out the thrust transmission piece in the first groove.
The invention also provides a construction method of the shell advance type non-excavation tunnel construction structure, which comprises the following steps:
step 1, installing a thrust transmission piece of an initial first steel shell element at the tail part of a closed heading machine, and sequentially pushing a plurality of first steel shell elements along the same direction under the action of the closed heading machine at the head end and a pushing device at the tail end to form a first steel shell assembly;
step 2, installing a thrust transmission piece of an initial second steel shell element at the tail part of the closed tunneling machine, wherein a second joint of the second steel shell element is matched with a first joint of a first steel shell assembly, and a plurality of second steel shell elements are sequentially pushed in along the same direction under the action of the head-end closed tunneling machine and a tail-end pushing device to form a second steel shell assembly;
step 3, repeating the operation, realizing the end-to-end connection of all the first steel shell components and the second steel shell components through the cooperation of the first joint and the second joint, and filling concrete into the first steel shell components and the second steel shell components to form a tunnel construction structure;
and 4, excavating an internal soil body of the tunnel construction structure, paving a road by the tunnel construction structure, and completing tunnel construction.
As a further improvement of the present invention, a guide pipe as a construction guide rail is advanced before starting the construction, and the front end of the closed excavator is fixed to the guide pipe for the construction.
As a further development of the invention, the propulsion force of the propulsion device acts on the thrust transmission piece.
Compared with the prior art, the invention has the beneficial effects that:
the tunnel construction structure does not need excavation construction, and the connected steel shell component is matched with filled concrete to directly serve as the inner wall of a tunnel, so that the connection strength is high and the waterproof performance is good;
when the invention is constructed, the propulsive force of the propulsion device acts on the thrust transmission piece, so that the thickness of the steel shell element can be properly reduced, and the cost of the steel shell element is saved; the thrust transmission piece in the second groove can push out the thrust transmission piece in the first groove, so that the construction efficiency can be improved, and the cost of excavating equipment can be saved.
Drawings
FIG. 1 is a schematic diagram of a shell-advanced trenchless tunnel construction in accordance with one embodiment of the present invention;
FIG. 2 is a schematic view of the first steel shell element of FIG. 1;
FIG. 3 is a schematic view of the second first steel shell element of FIG. 1;
FIG. 4 is an enlarged view of FIG. 1 at A;
FIG. 5 is a schematic illustration of the engagement of a first steel shell member with a thrust transmitting member in accordance with an embodiment of the present invention;
FIG. 6 is a schematic illustration of the engagement of a second steel shell member with a thrust transmitting member in accordance with an embodiment of the present invention;
fig. 7 is a schematic view of the construction of a first steel shell assembly according to an embodiment of the present invention.
In the figure:
10. a first steel shell assembly; 11. a first steel shell element; 20. a second steel shell assembly; 21. a second steel shell element; 30. a first joint; 31. a first trench; 32. a guide groove; 40. a second joint; 41. a second trench; 42. a guide member; 50. a thrust transmitting member; 60. closed heading machine; 70. firstly, guiding a pipe; 80. a propulsion device; a. concrete; b. and (5) a road.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 also 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.
The invention provides a shell advance type non-excavation tunnel construction structure, which comprises: a plurality of steel shell assemblies; in the two adjacent steel shell components, a first joint and/or a second joint are arranged on one steel shell component, and a second joint is arranged on the other steel shell component corresponding to the first joint and/or a first joint is arranged corresponding to the second joint; the plurality of steel shell components are connected end to end through the cooperation of the first connector and the second connector, and concrete is filled in all the steel shell components to form a tunnel construction structure.
The first steel shell component is composed of a plurality of first steel shell elements, and the second steel shell component is composed of a plurality of second steel shell elements; the first steel shell component is positioned at the corner part of the tunnel, and the second steel shell component is positioned at other parts except the corner part of the tunnel; the cross section of the tunnel and the cross section of the first steel shell element can be various, such as rectangle, arch, circle, etc., and the connection or cooperation of the first joint and the second joint can also be realized by various, such as nesting, screwing, clamping, etc.
The following description will take the tunnel section as rectangle and the steel shell element section as rectangle as an example, and referring to the accompanying drawings, the tunnel and steel shell elements with other sections can be implemented as follows.
As shown in fig. 1, the present invention provides a shell-advanced non-excavation tunnel construction structure, comprising: a plurality of first steel shell assemblies 10, a plurality of second steel shell assemblies 20, a first joint 30, a second joint 40, and a thrust transmitter 50; wherein:
the first steel shell assemblies 10 of the present invention constitute four corners of a rectangular tunnel, that is, the upper left corner, the upper right corner, the lower left corner and the lower right corner of fig. 1 are the first steel shell assemblies 10, each first steel shell assembly 10 is composed of a plurality of first steel shell elements 11, the first steel shell elements 11 are rectangular steel shells, the structures and the sizes of all the first steel shell elements 11 are identical, the number of the first steel shell elements 11 depends on the tunnel length to be excavated, and if the tunnel length to be excavated is 100m, the length of a single first steel shell element 11 is 10m, the first steel shell assembly 10 in fig. 1 is composed of 10 first steel shell elements 11. All the second steel shell components 20 of the invention form four sides of a rectangular tunnel, namely other parts except four corners in fig. 1, each second steel shell component 20 is formed by a plurality of second steel shell elements 21, and each second steel shell element 21 is a C-shaped steel shell; all second steel shell elements 21 are identical in structure and size and the second steel shell elements 21 are identical to the first steel shell elements 11 in size, the number of second steel shell elements 21 depends on the length of the tunnel to be excavated, the number of second steel shell elements 20 depends on the width and height of the tunnel, and if the width of the tunnel is 10m and the height is 7m, the width and height of the first steel shell elements 11 and the second steel shell elements 21 are 1m, 4 first steel shell elements 10, 26 second steel shell elements 20 are required for constructing the tunnel.
As shown in fig. 2 to 4, in order to connect the first steel shell assembly 10 and the second steel shell assembly 20, the adjacent two side walls of the first steel shell element 11 of the present invention are provided with a first joint 30 and/or a second joint 40, that is, the right side wall and the bottom wall of the first steel shell element 11 of the first steel shell assembly 10 in the upper left corner of fig. 1 are provided with first joints 30, as shown in fig. 2; the left side wall of the first steel shell element 11 of the first steel shell element 10 at the upper right corner of fig. 1 is provided with a second joint 40, the bottom wall is provided with a first joint 30, the right side wall of the first steel shell element 11 of the first steel shell element 10 at the lower left corner of fig. 1 is provided with a first joint 30, the upper wall is provided with a second joint 40, and the left side wall and the upper wall of the first steel shell element 11 of the first steel shell element 10 at the lower right corner of fig. 1 are both provided with second joints 40; the second steel shell elements 21 of the upper and lower side walls of the tunnel are opened to the left, the second steel shell elements 21 of the left and right side walls of the tunnel are opened to the up, the C-shaped openings of all the second steel shell elements 21 are provided with second connectors 40, and the side walls opposite to the C-shaped openings are provided with first connectors 30. When the invention is used, the second connector 40 is embedded in the first connector 30, so that the connection and the limit of the first steel shell element 11 and the second steel shell element 21 are realized. The above only shows one form of connection of the first steel shell assembly 10 to the second steel shell assembly 20, and in particular the corresponding cooperation with the second steel shell element 21 can also be achieved according to the orientation of the latter and the form of the joint provided on the initial first steel shell assembly 10.
Further, the first steel shell element 11 and the joint provided thereon are of an integral structure, and the second steel shell element 21 and the joint provided thereon are of an integral structure.
As shown in fig. 4 to 7, the first joint 30 of the present invention includes a first groove 31 for receiving the thrust transmitting piece 50 and a guide groove 32 for guiding the second joint 40, and the second joint 40 includes a second groove 41 for receiving the thrust transmitting piece and a guide piece 42 for sliding on the guide groove 32; the first groove 31 is provided corresponding to the second groove 41, and the guide 42 is provided corresponding to the guide groove 32; the thrust transmission piece 50 is arranged in the first groove 31 and the second groove 41 and is used for supporting the corresponding first steel shell element 11 or second steel shell element 21, the thrust transmission piece 50 is used as a stress part for driving the first steel shell element 11 or the second steel shell element 21 into a soil base, the thrust transmission piece 50 can prevent the thrust device 80 from directly acting on the steel shell element, and therefore the thickness of the steel shell element can be properly reduced, and the cost of the steel shell element can be saved. When the first connector 30 is connected with the second connector 40, the outer wall of the second groove 41 is matched with the inner wall of the first groove 31, and the outer wall of the guide piece 42 is matched with the inner wall of the guide groove 32; the thrust transmission piece 50 is consistent with the length of the first steel shell element 11 or the second steel shell element 21, when the second joint 40 of the second steel shell element 21 is connected with the first joint 30 of the first steel shell element 11, the thrust transmission piece 50 in the second groove 41 pushes out the thrust transmission piece 50 in the first groove 31, so that the construction efficiency can be improved, and the cost of excavating equipment can be saved.
Further, the thrust transmitting piece 50 of the present invention is identical to or slightly longer than the first steel shell member 11 or the second steel shell member 21 in length (may be 2 to 5cm longer).
As shown in fig. 1, after the first steel shell component 10 and the second steel shell component 20 are connected end to end through the cooperation of the first joint 30 and the second joint 40, concrete a is poured in the rectangular cavity of the first steel shell component 10 and the rectangular cavity of the second steel shell component 20, the concrete structure, the first steel shell component 10 and the second steel shell component 20 together form a tunnel construction structure, and then a road b is paved at the bottom of the tunnel construction structure, so that tunnel construction is completed.
Furthermore, the invention determines whether the interface is welded according to specific conditions, and the steel shell element can also be used as a supporting system of a structure, and the structure is built in the steel shell element; concrete can not be poured in the steel shell.
The invention provides a construction method of a shell advance type non-excavation tunnel construction structure, which comprises the following steps:
step 1, as shown in fig. 7, before construction is started, a small-caliber guide pipe serving as a construction guide rail is pushed in to ensure construction precision; that is, when the tunnel structure shown in fig. 1 is constructed, the pilot pipe 70 is pushed in when the first steel shell assembly (pilot construction portion) at the upper left corner is constructed, and is used as a construction reference for the first steel shell assembly 10 at the upper left corner, and after the first steel shell assembly 10 at the upper left corner is determined, the construction of the remaining steel shell assemblies can be ensured to be at the determined position only by the cooperation of the first joint and the second joint;
step 2, as shown in fig. 7, after the pilot pipe 70 is pushed in, fixing the head end of the closed excavator 60 on the pilot pipe 70, wherein the tail end of the closed excavator 60 is fixedly installed with the head end of the thrust transmission piece 50 of the initial first steel shell element 11, the tail end of the thrust transmission piece 50 of the initial first steel shell element 11 is propped against the propulsion device 80, and the propulsion force of the propulsion device 80 acts on the thrust transmission piece 50 instead of directly acting on the steel shell element; pushing the initial first steel shell element 11 into the soil base along the direction of the pilot pipe 70 under the action of the head end sealed heading machine 60 and the tail end pushing device 80, adding a second section of first steel shell element 11 between the initial first steel shell element 11 and the pushing device 80 after the initial first steel shell element 11 is submerged into the soil base, pushing the initial first steel shell element 11 forward by the pushing device 80 through the second section of first steel shell element 11, simultaneously immersing the second section of first steel shell element 11 into the soil base, and so on, so as to penetrate the whole tunnel, and taking down the sealed excavator 60 and the pushing device 80, wherein the construction of the left upper first steel shell assembly 10 is completed;
step 3, after the construction of the first steel shell component 10 at the upper left corner is completed, a second steel shell component 20 at the right side or the lower side can be constructed, taking the first construction of the second steel shell component 20 at the right side as an example: the thrust transmission piece 50 of the initial second steel shell element 21 is arranged at the tail part of the sealed heading machine 60, the second joint 40 of the second steel shell element 21 is matched with the first joint 30 of the first steel shell assembly 10, and a plurality of second steel shell elements 21 are sequentially pushed in the same direction under the action of the head-end sealed heading machine and the tail-end pushing device, and the pushing mode is the same as that of the step 2, so that the second steel shell assembly 20 is formed; wherein the thrust transmitting piece 50 in the second groove 41 of the second joint 40 can push out the thrust transmitting piece 50 in the first groove 31 of the first joint 30;
step 4, repeating the above operation, realizing the head-to-tail connection of all the first steel shell components 10 and the second steel shell components 20 through the cooperation of the first joint 30 and the second joint 40, taking out the residual thrust transmission piece 50, welding the gaps between the adjacent first steel shell elements 11 or second steel shell elements 21 and the gaps between the first joint 30 and the second joint 40, and improving the waterproof performance; filling concrete into the first steel shell assembly 10 and the second steel shell assembly 20 to form a tunnel construction structure;
and 5, excavating an internal soil body of the tunnel construction structure, paving a road b by the tunnel construction structure, and completing tunnel construction.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a shell advance type non-excavation tunnel structure which characterized in that includes: a plurality of steel shell assemblies;
in two adjacent steel shell components, a first joint and/or a second joint are arranged on one steel shell component, and a second joint is arranged on the other steel shell component corresponding to the first joint and/or a first joint is arranged corresponding to the second joint;
the steel shell components are connected end to end through the cooperation of the first connector and the second connector, and concrete is filled in all the steel shell components to form a tunnel construction structure;
the steel shell assembly comprises a first steel shell assembly and a second steel shell assembly, wherein the first steel shell assembly is formed by a plurality of first steel shell elements, and the second steel shell assembly is formed by a plurality of second steel shell elements; the first steel shell component is positioned at the corner part of the tunnel, and the second steel shell component is positioned at other parts except the corner part of the tunnel;
the first joint comprises a first groove for accommodating the thrust transmission piece and a guide groove for guiding the second joint, and the second joint comprises a second groove for accommodating the thrust transmission piece and a guide piece for sliding on the guide groove; the outer wall of the second groove is matched with the inner wall of the first groove, and the outer wall of the guide piece is matched with the inner wall of the guide groove; the thrust transmission piece is consistent with the length of the first steel shell element or the second steel shell element, and when the second joint of the second steel shell element is connected with the first joint of the first steel shell element, the thrust transmission piece in the second groove pushes out the thrust transmission piece in the first groove; wherein the propulsion force of the propulsion device acts on the thrust transmission piece;
the construction method of the shell advance type non-excavation tunnel construction structure comprises the following steps:
step 1, installing a thrust transmission piece of an initial first steel shell element at the tail part of a closed heading machine, and sequentially pushing a plurality of first steel shell elements along the same direction under the action of the closed heading machine at the head end and a pushing device at the tail end to form a first steel shell assembly;
step 2, installing a thrust transmission piece of an initial second steel shell element at the tail part of the closed tunneling machine, wherein a second joint of the second steel shell element is matched with a first joint of a first steel shell assembly, and a plurality of second steel shell elements are sequentially pushed in along the same direction under the action of the head-end closed tunneling machine and a tail-end pushing device to form a second steel shell assembly;
step 3, repeating the operation, realizing the end-to-end connection of all the first steel shell components and the second steel shell components through the cooperation of the first joint and the second joint, and filling concrete into the first steel shell components and the second steel shell components to form a tunnel construction structure;
and 4, excavating an internal soil body of the tunnel construction structure, paving a road by the tunnel construction structure, and completing tunnel construction.
2. A shell-advanced trenchless tunnel construction as defined in claim 1 wherein when the tunnel cross-section is rectangular, the first steel shell assembly forms four corners of the rectangular cross-section and the second steel shell assembly forms four sides of the rectangular cross-section.
3. The shell advance type trenchless tunnel construction of claim 2 wherein the first steel shell member is a rectangular steel shell, the second steel shell member is a C-shaped steel shell, the second joint is provided at the C-shaped opening of the second steel shell member, the first joint is provided on a side wall opposite to the C-shaped opening, the second joint is provided on the first steel shell member corresponding to the first joint of the second steel shell member, and the first joint is provided corresponding to the second joint of the second steel shell member.
4. The shell-advanced trenchless tunnel construction of claim 1 wherein a guide pipe is advanced as a construction guide rail before starting construction, and a front end of the closed excavator is fixed to the guide pipe for construction.
5. A shell-advanced trenchless tunnel construction as defined in claim 1 wherein the propulsion of the propulsion device acts on the thrust transmitting member.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811384634.6A CN109595005B (en) | 2018-11-20 | 2018-11-20 | Shell advance type non-excavation tunnel construction structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811384634.6A CN109595005B (en) | 2018-11-20 | 2018-11-20 | Shell advance type non-excavation tunnel construction structure and construction method |
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| CN109595005A CN109595005A (en) | 2019-04-09 |
| CN109595005B true CN109595005B (en) | 2024-04-02 |
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| CN106382124A (en) * | 2016-11-16 | 2017-02-08 | 中国科学院武汉岩土力学研究所 | Flexible force transferring member as well as tunnel joint structure with force transferring member and construction method thereof |
| CN107387119A (en) * | 2017-07-07 | 2017-11-24 | 中国铁道科学研究院铁道建筑研究所 | Prefabricated assembled tunnel inverted arch, tunnel structure and its construction method |
| CN207261017U (en) * | 2017-09-27 | 2018-04-20 | 上海同吉建筑工程设计有限公司 | Tunnel form prestressed pipe curtain system |
| CN107905800A (en) * | 2017-12-31 | 2018-04-13 | 中铁隧道集团二处有限公司 | Pipe jacking tunnel constructs underground parking |
| CN108316356A (en) * | 2018-03-13 | 2018-07-24 | 中交公路规划设计院有限公司 | A kind of immersed tube tunnel FS final spice and its construction method |
| CN209369830U (en) * | 2018-11-20 | 2019-09-10 | 山东万广建设工程有限公司 | A kind of leading type no-dig technique tunnel construction structure of shell |
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