CN114856697A - Tunnel drainage system construction method - Google Patents
Tunnel drainage system construction method Download PDFInfo
- Publication number
- CN114856697A CN114856697A CN202210533877.1A CN202210533877A CN114856697A CN 114856697 A CN114856697 A CN 114856697A CN 202210533877 A CN202210533877 A CN 202210533877A CN 114856697 A CN114856697 A CN 114856697A
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- tunnel
- groove
- block
- construction method
- drainage system
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a tunnel drainage system construction method, which comprises a tunnel roadbed, a pipe burying groove, electric sliding rails, supporting legs, a frame body, a regulating and positioning mechanism and an auxiliary laying mechanism, wherein the pipe burying groove is arranged on the tunnel roadbed; according to the tunnel drainage system construction method and the corresponding construction device, in the drainage pipeline construction process, the pipe laying grooves of the pipelines are leveled and constructed through the pipe laying flat devices on the two sides of the pipe laying grooves, namely, under the matched use of the regulating and positioning mechanism and the laying auxiliary mechanism, the leveling and compacting of the inner side walls of the pipe laying grooves can be guaranteed, the connectivity between soil on the inner wall sides of the pipe laying grooves is strong, the stability of the pipeline laying work is guaranteed, the drainage work stability is improved, the leakage problem is avoided, and the overall construction quality and the drainage work efficiency are improved.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a tunnel drainage system construction method.
Background
Tunnel engineering is an important and sensitive structure in traffic infrastructure, is influenced by geological environment complexity and spatial structure closure, and has the disadvantages of multiple disease problems and high maintenance difficulty. After the tunnel drainage system is crystallized and blocked, the underground water level of a tunnel site area rises, the mechanical property of surrounding rocks is degraded, the bearing pressure of a lining is increased, and then a series of diseases such as surface water accumulation, lining cracking, structural deformation and the like are caused, so that the operation safety is threatened, the structure attractiveness is influenced, the service life is prolonged, the repairing difficulty is high, and the maintenance cost is high.
The method is characterized in that Chinese patent document with the currently granted publication number of CN109973148A discloses dredging equipment and a using method for a tunnel drainage system, the treatment capability of the dredging equipment for the problem of crystallization blockage of the tunnel drainage system is improved and optimized aiming at the serious defect, in the dredging process of the tunnel drainage system, the crystallization blockage can be probed, the dredging effect is monitored, the operation precision is ensured, the operation efficiency is improved, and the operation effect is improved; the working end of the dredging device can walk along the wall of the tunnel drainage system, so that the dredging device is more adaptive to the complex structural form of the tunnel drainage system, and can meet the requirement of the tunnel drainage system on larger dredging depth.
In the work progress of carrying out drainage system under prior art, accomplish the purpose of waterproof seepage and delivery water to drainage work needs, guarantee promptly and reduce the infiltration, improve the phenomenon that rivers ooze appearing at drainage during operation, need tile the pipeline promptly when burying underground the conduit, guarantee the stability of its work, current construction process has corresponding defect.
Therefore, the invention provides a tunnel drainage system construction method for solving the problems.
Disclosure of Invention
The invention aims to provide a tunnel drainage system construction method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a tunnel drainage system construction method is characterized in that tunnel structure drainage prevention construction operation is completed in primary support of a tunnel, tunnel clearance is checked and then drainage prevention construction operation is performed after design requirements are met, the tunnel drainage construction operation mainly comprises base surface checking and processing, drainage blind pipe installation, waterproof plate laying, water stop belt installation and concrete pouring, and a drainage pipe is installed through a drainage pipe tiling device in the installation work of the drainage blind pipe installation, so that the pipeline is embedded more smoothly.
Preferably, the shape and the size of the primary support of the tunnel are determined according to the design space and the size of the tunnel, a steel corrugated plate is prefabricated by a hydraulic forming machine according to the required size, and a certain number of holes are reserved on the steel corrugated plate for fixing a steel grating and connecting the steel grating with the steel corrugated plate; the surface of the steel corrugated plate is decontaminated and yarn is fed, a cementing material obtained by fiber gum dipping and fiber bundling and the steel corrugated plate are pultruded and formed through a mould, and the steel-FRP composite corrugated plate is manufactured by bending, curing and forming according to the required shape; according to the groundwater condition of concrete tunnel engineering, confirm the demand condition of the interior drainage of tunnel interval, in the place that groundwater is more relatively, some blind pipes can be laid more in its buckled plate outside, and the place that the blind pipe was laid in the buckled plate outside fixes a rigid waterproof filter screen, fixes with waterproof bolt between its and the buckled plate.
Preferably, the pipe arrangement and tiling device comprises a tunnel roadbed, a pipe embedding groove, an electric sliding rail, a supporting leg, a frame body, a regulation and positioning mechanism, a convex sliding groove, an inlet groove, a positioning clamping groove, a convex sliding block, a rectangular block body, a positioning clamping block, a threaded groove, a locking threaded column, a knob, a through groove, a transmission strip, a slope, a locking auxiliary block, a connecting block, an elastic sheet, a connecting rod, a laying auxiliary mechanism, a concave frame, a rolling ball body and a pin shaft; the equidistance is provided with a plurality of tubings of burying on the tunnel road bed to the bilateral symmetry that buries the tubings that sets up at the equidistance is provided with electronic slide rail, and sliding connection is provided with the supporting leg in the electronic slide rail, and the fixed both sides that set up at the support body of supporting leg symmetry, the bottom of support body are provided with lays complementary unit, lay complementary unit and connect through the connecting rod and be provided with regulation and control positioning mechanism, and regulation and control positioning mechanism connects the bottom that sets up at the support body.
Preferably, the convex chute is arranged on the bottom end face of the frame body, an inlet slot is arranged at one end of the convex chute, positioning clamping slots are symmetrically and equidistantly arranged on two sides of the convex chute, the convex sliding block is movably arranged in the convex chute, a rectangular block body is fixedly arranged on the convex sliding block, a connecting rod is fixedly arranged at one end of the rectangular block body, positioning clamping blocks are symmetrically and movably arranged in the rectangular block body, a first lug is integrally formed on one side of each positioning clamping block, a first reset spring is integrally formed on one side of the first lug, the other end of the first reset spring is fixedly arranged in the rectangular block body, the thread groove is arranged in the rectangular block body, a locking thread column is arranged in the thread groove in a threaded connection manner, a knob is fixedly arranged at one end of the locking thread column, the through groove is arranged in the positioning clamping block, and the transmission strip is movably arranged in the positioning clamping blocks, the one end of transmission strip is provided with the slope to one side integrated into one piece of transmission strip is provided with the second lug, and one side integrated into one piece of second lug is provided with second reset spring, and the fixed setting in the location fixture block of second reset spring other end, the supplementary piece symmetry activity of locking sets up in the location fixture block, and the one end of the supplementary piece of locking is fixed and is provided with the connecting block, and the other end of connecting block is fixed and is provided with the flexure strip, and the flexure strip is fixed to be set up in the location fixture block.
Preferably, the slope corresponds to the arrangement positions of the through grooves and the thread grooves, and the arrangement groups are the same.
Preferably, the positioning fixture block corresponds to the positioning slot in position, and the cross section of the end of the positioning fixture block is equal to the cross section of the notch of the positioning slot in length and width.
Preferably, the concave frame is fixedly arranged at the bottom end of the connecting rod, the rolling ball body is movably arranged in the concave frame, pin shafts are symmetrically and fixedly arranged at two ends of the rolling ball body, and the pin shafts penetrate through the concave frame.
Preferably, the rolling ball bodies correspond to the pipe burying grooves in arrangement position and are arranged in the same number of groups.
Compared with the prior art, the invention has the beneficial effects that:
according to the tunnel drainage system construction method and the corresponding construction device, in the drainage pipeline construction process, the pipe laying grooves of the pipelines are leveled and constructed through the pipe laying flat devices on the two sides of the pipe laying grooves, namely, under the matched use of the regulating and positioning mechanism and the laying auxiliary mechanism, the leveling and compacting of the inner side walls of the pipe laying grooves can be guaranteed, the connectivity between soil on the inner wall sides of the pipe laying grooves is strong, the stability of the pipeline laying work is guaranteed, the drainage work stability is improved, the leakage problem is avoided, and the overall construction quality and the drainage work efficiency are improved.
Drawings
FIG. 1 is a right side view of the structural connection of the calandria tiling apparatus of the present invention;
FIG. 2 is an enlarged partial view of the structural joint of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the left side of the structural connection of the calandria tiling apparatus of the present invention;
FIG. 4 is a bottom view of the frame body in structural connection with the regulating and positioning mechanism and the paving assisting mechanism of the present invention;
FIG. 5 is an enlarged partial view of the structural joint of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the front side of the local structure of the positioning and control mechanism of the present invention;
FIG. 7 is a schematic view of the rear side of the local structure of the positioning and control mechanism of the present invention;
FIG. 8 is a right side view, partially in section, of the internal structural connection of a rectangular block in the positioning and control mechanism of the present invention;
FIG. 9 is an enlarged partial view of the structural joint of FIG. 8 according to the present invention;
fig. 10 is a schematic left side view, partially in section, of the internal structural connection of a rectangular block in the positioning and control mechanism of the present invention.
In the figure: the device comprises a tunnel roadbed 1, a pipe laying groove 2, electric slide rails 3, support legs 4, a frame body 5, a regulating and positioning mechanism 6, a convex slide groove 601, an inlet groove 602, a positioning clamp groove 603, a convex slide block 604, a rectangular block body 605, a positioning clamp block 606, a thread groove 607, a locking thread column 608, a knob 609, a through groove 610, a transmission strip 611, a slope 612, a locking auxiliary block 613, a connecting block 614, an elastic sheet 615, a connecting rod 7, a laying auxiliary mechanism 8, a concave frame 801, a rolling ball 802 and a pin shaft 803.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: a tunnel drainage system construction method is characterized in that tunnel structure drainage prevention construction operation is completed in primary support of a tunnel, tunnel clearance is checked and then drainage prevention construction operation is performed after design requirements are met, the tunnel drainage construction operation mainly comprises base surface checking and processing, drainage blind pipe installation, waterproof plate laying, water stop belt installation and concrete pouring, and a drainage pipe is installed through a drainage pipe tiling device in the installation work of the drainage blind pipe installation, so that the pipeline is embedded more smoothly.
Determining the shape and the size of a primary support of the tunnel according to the design space and the size of the tunnel, prefabricating a steel corrugated plate by using a hydroforming machine according to the required size, and reserving a certain number of holes on the steel corrugated plate for fixing a steel grating and connecting the steel corrugated plate per se; the surface of the steel corrugated plate is decontaminated and yarn is fed, a cementing material obtained by fiber gum dipping and fiber bundling and the steel corrugated plate are pultruded and formed through a mould, and the steel-FRP composite corrugated plate is manufactured by bending, curing and forming according to the required shape; according to the groundwater condition of concrete tunnel engineering, confirm the demand condition of the interior drainage of tunnel interval, in the place that groundwater is more relatively, some blind pipes can be laid more in its buckled plate outside, and the place that the blind pipe was laid in the buckled plate outside fixes a rigid waterproof filter screen, fixes with waterproof bolt between its and the buckled plate.
The pipe arranging and spreading device comprises a tunnel roadbed 1, a pipe burying groove 2, an electric sliding rail 3, a supporting leg 4, a frame body 5, a regulating and positioning mechanism 6, a convex sliding groove 601, an inlet groove 602, a positioning clamping groove 603, a convex sliding block 604, a rectangular block body 605, a positioning clamping block 606, a threaded groove 607, a locking threaded column 608, a knob 609, a through groove 610, a transmission strip 611, a slope 612, a locking auxiliary block 613, a connecting block 614, an elastic sheet 615, a connecting rod 7, a laying auxiliary mechanism 8, a concave frame 801, a rolling ball 802 and a pin shaft 803; equidistant a plurality of pipe grooves 2 that bury are provided with on tunnel road bed 1 to the bilateral symmetry that buries pipe groove 2 that sets up at the equidistance is provided with electronic slide rail 3, sliding connection is provided with supporting leg 4 among the electronic slide rail 3, the fixed both sides that set up at support body 5 of supporting leg 4 symmetry, the bottom of support body 5 is provided with lays complementary unit 8, it is provided with regulation and control positioning mechanism 6 to lay complementary unit 8 through connecting rod 7 connection, regulation and control positioning mechanism 6 connects the bottom that sets up at support body 5.
The convex sliding groove 601 is arranged on the bottom end face of the frame body 5, one end of the convex sliding groove 601 is provided with an inlet groove 602, two sides of the convex sliding groove 601 are symmetrically and equidistantly provided with positioning clamping grooves 603, the convex sliding block 604 is movably arranged in the convex sliding groove 601, the convex sliding block 604 is fixedly provided with a rectangular block body 605, one end of the rectangular block body 605 is fixedly provided with a connecting rod 7, the rectangular block body 605 is symmetrically and movably provided with positioning clamping blocks 606, one side of each positioning clamping block 606 is integrally provided with a first protruding piece, one side of each first protruding piece is integrally provided with a first return spring, the other end of each first return spring is fixedly arranged in the rectangular block body 605, a threaded groove 607 is arranged in the rectangular block body 605, a locking threaded column 608 is arranged in the threaded groove 607 in a threaded connection manner, one end of the locking threaded column 608 is fixedly provided with a knob 609, a through groove 610 is arranged in the positioning clamping blocks 606, a driving strip 611 is movably arranged in the positioning clamping blocks 606, one end of the transmission bar 611 is provided with a slope 612, one side of the transmission bar 611 is integrally provided with a second protruding piece, one side of the second protruding piece is integrally provided with a second return spring, the other end of the second return spring is fixedly arranged in the positioning fixture block 606, the locking auxiliary blocks 613 are symmetrically and movably arranged in the positioning fixture block 606, one end of the locking auxiliary block 613 is fixedly provided with a connecting block 614, the other end of the connecting block 614 is fixedly provided with an elastic sheet 615, and the elastic sheet 615 is fixedly arranged in the positioning fixture block 606; the slope 612 corresponds to the through groove 610 and the thread groove 607 in arrangement position and has the same arrangement number; the positioning clamping block 606 corresponds to the positioning clamping groove 603 in position, and the length and the width of the cross section of the end part of the positioning clamping block 606 are equal to those of the cross section of the notch of the positioning clamping groove 603.
The concave frame 801 is fixedly arranged at the bottom end of the connecting rod 7, the rolling ball body 802 is movably arranged in the concave frame 801, two ends of the rolling ball body 802 are symmetrically and fixedly provided with pin shafts 803, and the pin shafts 803 are arranged in the concave frame 801 in a penetrating manner; the rolling ball 802 is corresponding to the position of the pipe burying groove 2 and has the same number of groups.
In the actual construction process, a pipe burying groove 2 is arranged on a tunnel roadbed 1, electric slide rails 3 are arranged on two sides of the pipe burying groove 2, a frame body 5, a regulation and positioning mechanism 6 and a laying auxiliary mechanism 8 are driven to move back and forth through the electric slide rails 3, namely, in the process, rolling repeatedly in the pipe burying groove 2 through a rolling ball body 802 to compact the inner side wall of the pipe burying groove 2 and smooth the inner side wall, so that the later pipeline is more stably buried, and finally, the phenomenon of leakage is avoided due to stable water conveying and difficult fracture when the pipeline is drained, the laying auxiliary mechanism 8 can be adjusted through the regulation and positioning mechanism 6 according to the position and the interval of the actual pipe burying groove 2, namely, the position of the laying auxiliary mechanism 8 is adjusted through the movement of a convex sliding block 604 in the convex sliding groove 601, afterwards, by pressing the positioning fixture block 606, the positioning fixture block 606 is clamped into the positioning slot 603 in the corresponding position, meanwhile, the through groove 610 arranged in the positioning fixture block 606 is aligned with the thread groove 607, and then the knob 609 is screwed, so that the locking thread column 608 extrudes the slope 612 at one end of the transmission strip 611, and further the transmission strip 611 is pushed to move, so that the elastic sheet 615 is extruded by the other end of the transmission strip 611, and further the inner side wall of the positioning slot 603 is extruded by the locking auxiliary block 613, thereby ensuring the clamping firmness of the positioning fixture block 606 and the positioning slot 603, further ensuring that the positioning of the laying auxiliary mechanism 8 is stable and stable, improving the working stability of the laying auxiliary mechanism, and ensuring the construction quality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A tunnel drainage system construction method is characterized in that: the tunnel structure drainage prevention construction operation is completed in tunnel preliminary bracing, and the tunnel headroom is checked and is carried out drainage prevention construction operation after meeting the design requirements, and the tunnel structure drainage prevention construction operation mainly comprises base surface inspection treatment, drainage blind pipe installation, waterproof plate laying, waterstop installation and concrete pouring, and the calandria is installed through the calandria tiling device in the installation work of drainage blind pipe installation, so that the pipeline is embedded more smoothly.
2. The tunnel drainage system construction method according to claim 1, characterized in that: determining the shape and the size of a primary support of the tunnel according to the design space and the size of the tunnel, prefabricating a steel corrugated plate by using a hydraulic forming machine according to the required size, and reserving a certain number of holes on the steel corrugated plate for fixing a steel grating and connecting the steel corrugated plate per se; the surface of the steel corrugated plate is decontaminated and yarn is fed, a cementing material obtained by fiber gum dipping and fiber bundling and the steel corrugated plate are pultruded and formed through a mould, and the steel-FRP composite corrugated plate is manufactured by bending, curing and forming according to the required shape; according to the groundwater condition of concrete tunnel engineering, confirm the demand condition of the interior drainage of tunnel interval, in the place that groundwater is more relatively, some blind pipes can be laid more in its buckled plate outside, and the place that the blind pipe was laid in the buckled plate outside fixes a rigid waterproof filter screen, fixes with waterproof bolt between its and the buckled plate.
3. The tunnel drainage system construction method according to claim 1, characterized in that: the pipe arranging and tiling device comprises a tunnel roadbed (1), a pipe burying groove (2), an electric sliding rail (3), supporting legs (4), a frame body (5), a regulating and positioning mechanism (6), a convex sliding groove (601), an inlet groove (602), a positioning clamping groove (603), a convex sliding block (604), a rectangular block body (605), a positioning clamping block (606), a threaded groove (607), a locking threaded column (608), a knob (609), a through groove (610), a transmission strip (611), a slope (612), a locking auxiliary block (613), a connecting block (614), an elastic sheet (615), a connecting rod (7), a laying auxiliary mechanism (8), a concave frame (801), a rolling ball body (802) and a pin shaft (803); the tunnel road bed (1) is equidistantly provided with a plurality of pipe burying grooves (2), the bilateral symmetry of the pipe burying grooves (2) arranged at equal intervals is provided with electric sliding rails (3), sliding connections in the electric sliding rails (3) are provided with supporting legs (4), the supporting legs (4) are symmetrically and fixedly arranged on two sides of a support body (5), the bottom of the support body (5) is provided with a laying auxiliary mechanism (8), the laying auxiliary mechanism (8) is connected through a connecting rod (7) and is provided with a regulation and control positioning mechanism (6), and the regulation and control positioning mechanism (6) is connected and is arranged at the bottom of the support body (5).
4. A tunnel drainage system construction method according to claim 3, characterized in that: the device comprises a frame body (5), a convex sliding groove (601), a positioning clamping groove (603) and a locking threaded column (608), wherein the convex sliding groove (601) is arranged on the bottom end surface of the frame body (5), one end of the convex sliding groove (601) is provided with an inlet groove (602), the two sides of the convex sliding groove (601) are symmetrically and equidistantly provided with the positioning clamping groove (603), a convex sliding block (604) is movably arranged in the convex sliding groove (601), a rectangular block body (605) is fixedly arranged on the convex sliding block (604), one end of the rectangular block body (605) is fixedly provided with a connecting rod (7), the rectangular block body (605) is symmetrically and movably provided with the positioning clamping block (606), one side of the positioning clamping block (606) is integrally provided with a first protruding piece, one side of the first protruding piece is integrally provided with a first return spring, the other end of the first return spring is fixedly arranged in the rectangular block body (605), the threaded groove (607) is arranged in the rectangular block body (605), and the threaded groove (607) is internally provided with the locking threaded column (608), the one end of locking screw post (608) is fixed and is provided with knob (609), logical groove (610) sets up in location fixture block (606), drive strip (611) activity sets up in location fixture block (606), and the one end of drive strip (611) is provided with slope (612), and one side integrated into one piece of drive strip (611) is provided with the second lug, and one side integrated into one piece of second lug is provided with second reset spring, and the second reset spring other end is fixed and is set up in location fixture block (606), the symmetrical activity of locking auxiliary block (613) sets up in location fixture block (606), and the one end of locking auxiliary block (613) is fixed and is provided with connecting block (614), and the other end of connecting block (614) is fixed and is provided with elastic sheet (615), and elastic sheet (615) are fixed and are set up in location fixture block (606).
5. The tunnel drainage system construction method according to claim 4, wherein: the slope (612) corresponds to the through groove (610) and the thread groove (607) in arrangement positions and is provided with the same number of groups.
6. The tunnel drainage system construction method according to claim 5, wherein: the positioning clamping block (606) corresponds to the positioning clamping groove (603) in arrangement position, and the length and the width of the cross section of the end part of the positioning clamping block (606) are equal to those of the cross section of the notch of the positioning clamping groove (603).
7. A tunnel drainage system construction method according to claim 3, characterized in that: the concave frame (801) is fixedly arranged at the bottom end of the connecting rod (7), the rolling ball body (802) is movably arranged in the concave frame (801), pin shafts (803) are symmetrically and fixedly arranged at two ends of the rolling ball body (802), and the pin shafts (803) penetrate through the concave frame (801).
8. The tunnel drainage system construction method according to claim 7, wherein: the rolling ball bodies (802) correspond to the pipe burying grooves (2) in arrangement position and are arranged in the same number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210533877.1A CN114856697B (en) | 2022-05-17 | 2022-05-17 | Construction method of tunnel drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210533877.1A CN114856697B (en) | 2022-05-17 | 2022-05-17 | Construction method of tunnel drainage system |
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| CN114856697A true CN114856697A (en) | 2022-08-05 |
| CN114856697B CN114856697B (en) | 2023-05-02 |
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| CN203156131U (en) * | 2013-02-25 | 2013-08-28 | 宁波市令通电信设备有限公司 | Plate shearing machine with pressing function |
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| CN108222979A (en) * | 2017-12-29 | 2018-06-29 | 中铁二局第工程有限公司 | Rich water karst waterproof and Drainage Construction of Tunnel method |
| CN109751080A (en) * | 2019-01-15 | 2019-05-14 | 西南交通大学 | The supporting construction and construction method with guarded drainage function suitable for water rich strata |
| CN111119927A (en) * | 2019-12-25 | 2020-05-08 | 中铁二十五局集团第一工程有限公司 | Tunnel three-dimensional waterproof and drainage system and construction technology |
| CN111734457A (en) * | 2020-07-02 | 2020-10-02 | 青岛理工大学 | Construction method of tunnel water-drainage-preventing system |
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2022
- 2022-05-17 CN CN202210533877.1A patent/CN114856697B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203156131U (en) * | 2013-02-25 | 2013-08-28 | 宁波市令通电信设备有限公司 | Plate shearing machine with pressing function |
| CN107542493A (en) * | 2017-10-13 | 2018-01-05 | 北京工业大学 | A kind of tunnel drainage system construction method of steel FRP compound bellows |
| CN108222979A (en) * | 2017-12-29 | 2018-06-29 | 中铁二局第工程有限公司 | Rich water karst waterproof and Drainage Construction of Tunnel method |
| CN109751080A (en) * | 2019-01-15 | 2019-05-14 | 西南交通大学 | The supporting construction and construction method with guarded drainage function suitable for water rich strata |
| CN111119927A (en) * | 2019-12-25 | 2020-05-08 | 中铁二十五局集团第一工程有限公司 | Tunnel three-dimensional waterproof and drainage system and construction technology |
| CN111734457A (en) * | 2020-07-02 | 2020-10-02 | 青岛理工大学 | Construction method of tunnel water-drainage-preventing system |
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