CN113958359B - Tunnel air delivery duct top partition plate and construction method - Google Patents
Tunnel air delivery duct top partition plate and construction method Download PDFInfo
- Publication number
- CN113958359B CN113958359B CN202111255860.6A CN202111255860A CN113958359B CN 113958359 B CN113958359 B CN 113958359B CN 202111255860 A CN202111255860 A CN 202111255860A CN 113958359 B CN113958359 B CN 113958359B
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000005192 partition Methods 0.000 title abstract description 17
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
Abstract
The invention provides a novel tunnel air delivery duct top partition plate, and relates to the technical field of municipal engineering design and construction. This novel tunnel delivery duct top baffle, including the concrete foundation, the top fixedly connected with main hole of concrete foundation, the top inner wall fixedly connected with air supply roof in main hole, the top rear portion in main hole is provided with fixed limit sleeve, the bottom rear portion of air supply roof is through fixed chemistry bolt fixedly connected with fixed plate, the bottom fixedly connected with air supply board of fixed plate, the middle part of air supply board is provided with fixed screw hole, the top evenly distributed in main hole has fixed sleeve, the equal fixedly connected with side skirt in both ends about the air supply board, the rear end fixedly connected with limiting plate of air supply board. The small air supply plates can be quickly spliced through the limiting plates, the sliding grooves, the limiting threaded holes and the stainless steel bolts, and the air supply plates are convenient to construct and cannot generate too much waste during construction.
Description
Technical Field
The invention relates to the technical field of municipal engineering design and construction, in particular to a tunnel air delivery duct top partition plate and a construction method.
Background art with the maturation of tunnel construction technology, the current construction conditions for the current international and domestic tunnel design are allowed
Under the circumstance, the technology tends to develop a long tunnel, the long tunnel can avoid bad geology, shorten the distance of transportation and further improve the transportation capacity, however, the special tunnel brings higher requirements to the control technology of fire ventilation, the underground engineering construction technology is mature day by day, new technology and new equipment are continuously emerging, more scientific guarantee measures are provided for the underground engineering construction, the construction technology of the tunnel air delivery channel top partition board, construction notes and the application of the air delivery channel top partition board in the future are improved according to field practice experience and a large amount of data, and an 8mm thick galvanized steel plate is adopted as the air delivery channel partition board.
The traditional tunnel ventilation partition board has low efficiency and severely delays the construction period during construction, the traditional air supply partition board is very hard to install and inconvenient to maintain in the future, and a large amount of waste is generated during construction due to the large volume of the traditional air supply partition board, so that the construction cost of engineering is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a tunnel air delivery duct top baffle plate which solves the problems of the prior art
The construction method has the problems of difficult work, high construction cost, large influence on environment and inconvenience for later maintenance.
The second technical scheme is that the invention is realized by the following technical scheme: tunnel air delivery duct
Top baffle, including the concrete foundation, the top fixedly connected with main hole of concrete foundation, the top inner wall fixedly connected with air supply roof in main hole, the top rear portion in main hole is provided with fixed stop sleeve, the bottom rear portion of air supply roof is through fixed chemistry bolt fixedly connected with fixed plate, the bottom fixedly connected with air supply board of fixed plate, the middle part of air supply board is provided with fixed screw hole, air supply board's top rear portion is provided with fixed stop sleeve, fixed chemistry bolt fixedly connected with fixed plate is passed through to the bottom of fixed plate, the middle part of air supply board is provided with fixed screw hole, the top of main hole is provided with fixed stop sleeve
The top end of the main hole is uniformly distributed with a fixed sleeve, the left end and the right end of the air supply plate are fixedly connected with side skirts,
the middle part of side skirt all is provided with the reinforcement screw hole, the rear end fixedly connected with limiting plate of air supply board, the inside front portion of air supply board is provided with the spout, the middle part of limiting plate and spout all is provided with spacing screw hole, the left and right sides of main hole all is provided with the reinforcement sleeve, the inside equal threaded connection of reinforcement sleeve and reinforcement screw hole is in one side of strengthening the chemical anchor bolt, the equal threaded connection of opposite side of strengthening the chemical anchor bolt has stainless steel nut, the right-hand member rear portion fixedly connected with inclined shaft of main hole, the rear portion of main hole right-hand member inner wall is provided with the air outlet.
Preferably, the top threaded connection of fixed chemistry bolt is in fixed limit sleeve's inside, the inside equal threaded connection of fixed sleeve has fixed chemistry crab-bolt.
Preferably, the upper portion of fixed chemistry crab-bolt all threaded connection has upper portion stop nut, upper portion stop nut all sets up in the bottom of air supply roof.
Preferably, the lower parts of the fixed chemical anchor bolts are all in threaded connection with lower limit nuts, and the lower limit nuts are all arranged at the bottom ends of the air delivery plates.
Preferably, the inside of fixed screw hole all threaded connection has fixed chemical crab-bolt, fixed chemical crab-bolt all runs through the air supply roof.
Preferably, stainless steel bolts are connected to the inner portions of the limiting threaded holes in a threaded mode, and limiting plates are connected to the inner portions of the sliding grooves in a sliding mode.
Preferably, one side of the side skirt is fixedly connected to the inner wall of the air supply top plate, and the other side of the side skirt is provided with a stainless steel nut.
A method for assembling a tunnel air delivery duct top partition plate comprises the following steps: s1, carrying out civil engineering construction of a concrete foundation, an inclined shaft and a main hole strictly according to the requirements of a design drawing
The construction of the concrete foundation, the inclined shaft and the main hole is carried out before strict measurement paying-off is carried out so as to ensure that the elevation and the position of the concrete foundation are guaranteed to be lost;
s2, reserving a fixed limit sleeve, a fixed sleeve and a reinforcing sleeve in civil engineering at the connecting position of the air supply plate before pouring, and not according to the prior art before reserving the fixed limit sleeve, the fixed sleeve and the reinforcing sleeve
Pre-perforating with the same size;
s3, prefabricating the air supply plate in advance in blocks, and prefabricating a chute, a limiting plate, a side skirt, a reinforcing threaded hole and a limiting threaded hole of the air supply plate according to the size requirement of a design drawing when the air supply plate is predicted; s4, fixing the limiting sleeve, fixing the sleeve and reinforcing the sleeve in the construction of the civil engineering of the concrete foundation, the inclined shaft and the main hole, and avoiding various sundries from falling into the sleeve, wherein cleaning is needed in advance
The impurities in the reserved fixed limit sleeve, the fixed sleeve and the reinforcing sleeve; s5, transporting the air conveying plate to the site, and installing the air conveying plate on the site according to a design drawing and a specification; s6, after the installation is completed according to the requirements, test ventilation is carried out, and the ventilation effect is ensured.
(III) beneficial effect the invention provides a tunnel air delivery duct top baffle. The beneficial effects are as follows: first pass limit
The air supply plate with the small blocks can be quickly spliced by the aid of the positioning plate, the sliding groove, the limiting threaded holes and the stainless steel bolts, the air supply plate is convenient to construct, too much waste is not produced during construction, a plurality of small blocks of air supply plates are quickly fixed on the upper portion of the main hole through the fixing chemical anchor bolts, the upper limiting bolts and the lower limiting bolts, so that later maintenance can be facilitated, and finally construction speed can be increased through prefabricating the air supply plate with the small blocks in advance, so that construction cost is reduced, and the air supply plate is quite convenient to use.
Drawings
FIG. 1 is a front view of a tunnel delivery duct top baffle;
FIG. 2 is a schematic view of the inside of a main hole of a tunnel air delivery duct top baffle; FIG. 3 is a cross-sectional view of a tunnel delivery duct top baffle;
FIG. 4 is a schematic view of an air supply plate of a tunnel air supply duct top partition;
FIG. 5 is a schematic view of the interior of an air supply panel of a tunnel air supply duct top partition; . 1, a concrete foundation; 2. a main hole; 3. fixing a limit sleeve; 4. fixing a chemical bolt;
5. a fixing plate; 6. a wind delivery plate; 7. fixing the threaded holes; 8. a fixed sleeve; 9. fixing a chemical anchor bolt;
10. an upper limit nut; 11. a lower limit nut; 12. a side skirt; 13. reinforcing the threaded hole; 14. a limiting plate; 15. a limit threaded hole; 16. a chute; 17. stainless steel bolts; 18. reinforcing the sleeve; 19.
reinforcing a chemical anchor bolt; 20. a stainless steel nut; 21. inclined shaft; 22. an air outlet; 23. and (5) air supply top plate.
Detailed description of the inventionin the following, the technical solutions in the embodiments of the present invention will be described with reference to the drawings in the embodiments of the present invention
It will be apparent that the embodiments described are only some, but not all, of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without creative efforts, are within the protection scope of the invention.
Examples:
as shown in fig. 1-5, an embodiment of the present invention provides a tunnel air delivery duct top partition board, including a concrete foundation 1, the top end of the concrete foundation 1 is fixedly connected with a main hole 2, the top end inner wall of the main hole 2 is fixedly connected with an air delivery top plate 23, the top end rear portion of the main hole 2 is provided with a fixed limit sleeve 3, the bottom end rear portion of the air delivery top plate 23 is fixedly connected with a fixed plate 5 through a fixed chemical bolt 4, the bottom end of the fixed plate 5 is fixedly connected with an air delivery plate 6, the middle part of the air delivery plate 6 is provided with a fixed threaded hole 7, the top end of the main hole 2 is uniformly distributed with a fixed sleeve 8, the left end and right end of the air delivery plate 6 are fixedly connected with side skirts 12, the middle parts of the side skirts 12 are all provided with reinforcing threaded holes 13, the traditional air delivery duct partition board is mostly in a prefabricated reinforced concrete structure, or a brand new steel plate is arranged as an air delivery board 6, the air delivery duct top end partition board has great advantages, safety, convenience and construction and maintenance are also facilitated, the rear end of the air delivery plate 6 is fixedly connected with a limit plate 14, the front part of the inside the air delivery plate 6 is provided with a chute 16, the limit plate 14 and the middle part of the chute 16 is provided with a main threaded hole 15, and the main limit hole 15 is provided with a main threaded hole 15
2. The left and right sides of (a) all is provided with the reinforcement sleeve 18, and the equal threaded connection in inside of reinforcement sleeve 18 and reinforcement screw hole 13 is in one side of strengthening chemical anchor 19, and the equal threaded connection of opposite side of strengthening chemical anchor 19 has stainless steel nut 20, and the right-hand member rear portion fixedly connected with inclined shaft 21 of main hole 2, the rear portion of main hole 2 right-hand member inner wall is provided with air outlet 22.
The top end of the fixed chemical bolt 4 is in threaded connection with the inside of the fixed limit sleeve 3, so that the stability of the fixed plate 5 can be improved, the fixed chemical anchor bolt 9 is in threaded connection with the inside of the fixed sleeve 8, the upper part of the fixed chemical anchor bolt 9 is in threaded connection with the upper limit nut 10, the air supply plate 6 is convenient to install and also convenient to maintain in the future through the structure, the upper limit nut 10 is arranged at the bottom end of the air supply top plate 23,
the lower part of the fixed chemical anchor bolt 9 is connected with a lower limiting nut 11 in a threaded manner, so that quick safety can be ensured
Guarantee the stability of air supply board 6 in the dress, lower part stop nut 11 all sets up in the bottom of air supply board 6, the equal threaded connection in inside of fixed screw hole 7 has fixed chemical anchor 9, fixed chemical anchor 9 all runs through air supply roof 23, the equal threaded connection in inside of spacing screw hole 15 has stainless steel bolt 17, the equal sliding connection in inside of spout 16 has stop plate 14, make things convenient for the quick assembly of air supply board 6 like this, the equal fixed connection in the inner wall of air supply roof 23 in one side of side skirt 12, the opposite side of side skirt 12 all is provided with stainless steel nut 20, can increase the stability when air supply board 6 is fixed like this.
The installation process of the tunnel air delivery duct top partition plate comprises the following steps of: s1, carrying out civil engineering on a concrete foundation 1, an inclined shaft 21 and a main hole 2 strictly according to the requirements of a design drawing
The construction is carried out, the concrete foundation 1, the inclined shaft 21 and the main hole 2 are subjected to strict measurement and paying off before construction, so that the elevation and the position of the concrete foundation 1 are guaranteed to be free, the tightness and the waterproof performance are mainly achieved by construction joints or deformation joints generated in the construction process, the distance between transverse construction joints of an air supply top plate 23 is required to be maximally not more than 12m, and the deformation joints are required to be consistent with the deformation joints of the secondary lining of the main hole 2, so that the waterproof secondary is achieved;
s2, reserving a fixed limit sleeve 3, a fixed sleeve 8 and a reinforcing sleeve 18 in civil engineering at the connecting position of the air supply plate 6 before pouring, and reserving the fixed limit sleeve 3, the fixed sleeve 8 and the reinforcing sleeve
18. Pre-perforating according to different sizes;
s3, the air supply plate 6 needs to be prefabricated in advance in a blocking mode, and when the air supply plate 6 is predicted, the sliding groove 16, the limiting plate 14, the side skirt 12 and the reinforcing threaded hole of the air supply plate 6 need to be prefabricated according to the size requirement of a design drawing
13. And the limit threaded hole 15, the tightness and the waterproof are mainly construction joints or deformation joints generated in the construction process, the distance between the transverse construction joints of the air supply top plate 23 is required to be not more than 12m at maximum, the deformation joints are arranged to be consistent with the deformation joints of the secondary lining of the main hole 2, the water-swelling water-stopping rubber belt is arranged at the joints of the construction joints, the surface is provided with sealant with good durability along the joints, the deformation joints are provided with bridge type rubber water stops with long reinforcing steel bars, and the surface is provided with sealant with good durability along the joints;
s4, when the civil engineering construction of the concrete foundation 1, the inclined shaft 21 and the main hole 2 is carried out, various sundries are inevitably dropped into the interiors of the fixed limit sleeve 3, the fixed sleeve 8 and the reinforced sleeve 18
The sundries in the fixed limit sleeve 3, the fixed sleeve 8 and the reinforced sleeve 18 reserved in advance need to be cleaned;
s5, transporting the air conveying plate 6 to the site, performing site installation according to a design drawing and a specification, and performing a drawing test on the fixed chemical bolts 4, the fixed chemical anchors 9, the stainless steel bolts 17, the fixed limiting sleeve 3, the fixed sleeve 8 and the reinforcing sleeve 18 used in site installation in advance. Air supply plate 6 and air supply top plate
23. Welding and assembling after hoisting in place; s6, after the installation is completed according to the requirements, test ventilation is carried out, and the ventilation effect is ensured. While embodiments of the present invention have been shown and described, it will be apparent to those of ordinary skill in the art that
Rather, it will be understood that various changes, modifications, substitutions and alterations can be made to 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. The utility model provides a tunnel delivery duct top baffle, includes concrete foundation (1), its characterized in that: the said mixing
The top fixedly connected with main hole (2) of concrete foundation (1), the top inner wall fixedly connected with air supply roof (23) of main hole (2), the top rear portion of main hole (2) is provided with fixed limit sleeve (3), the bottom rear portion of air supply roof (23) is through fixed chemistry bolt (4) fixedly connected with fixed plate (5), the bottom fixedly connected with air supply board (6) of fixed plate (5), fixed screw hole (7) are set up in the middle part of air supply board (6), the top evenly distributed of main hole (2) has fixed sleeve (8), the equal fixedly connected with side skirt (12) in both ends about air supply board (6), the middle part of side skirt (12) all is provided with reinforcement screw hole (13), the rear end fixedly connected with limiting plate (14) of air supply board (6), the inside front portion of air supply board (6) is provided with spout (16), the middle part of limiting plate (14) and spout (16) all is provided with spacing (15), the equal reinforcement screw hole (18) of main hole (2) are provided with reinforcement screw hole (18) and anchor bolt (19) are all connected with screw hole (18) in the inside of all sides, the other side of the reinforcement chemical anchor bolt (19) is connected with a stainless steel nut (20) in a threaded mode, an inclined shaft (21) is fixedly connected to the rear portion of the right end of the main hole (2), and an air outlet (22) is formed in the rear portion of the inner wall of the right end of the main hole (2).
2. The tunnel delivery duct top baffle of claim 1, wherein: the top end of the fixed chemical bolt (4) is in threaded connection with the inside of the fixed limit sleeve (3), and the inside of the fixed sleeve (8) is in threaded connection with the fixed chemical anchor bolt (9).
3. The tunnel delivery duct top baffle of claim 2, wherein: the upper portion of fixed chemistry crab-bolt (9) all threaded connection has upper portion stop nut (10), upper portion stop nut (10) all set up in the bottom of air supply roof (23).
4. The tunnel delivery duct top baffle of claim 2, wherein: the lower part of the fixed chemical anchor bolt (9) is connected with a lower limiting nut (11) in a threaded mode, and the lower limiting nut (11) is arranged at the bottom end of the air supply plate (6).
5. The tunnel delivery duct top baffle of claim 1, wherein: the inside of the fixing threaded hole (7) is connected with a fixing chemical anchor bolt (9) in a threaded manner, and the fixing chemical anchor bolt (9) is connected with the inside of the fixing threaded hole
All penetrate through the air supply top plate (23).
6. The tunnel delivery duct top baffle of claim 1, wherein: stainless steel bolts (17) are connected with the inner portions of the limiting threaded holes (15) in a threaded mode, and limiting plates (14) are connected with the inner portions of the sliding grooves (16) in a sliding mode.
7. The tunnel delivery duct top baffle of claim 1, wherein: one side of the side skirt (12) is fixedly connected to the inner wall of the air supply top plate (23), and the other side of the side skirt (12) is provided with a stainless steel nut (20).
8. A process for installing a tunnel delivery duct top separator as claimed in claim 1, wherein: the method comprises the following steps:
s1, carrying out civil engineering construction of a concrete foundation (1), an inclined shaft (21) and a main hole (2) strictly according to the requirements of a design drawing, wherein the concrete foundation (1), the inclined shaft (21) and the main hole (2) are subjected to strict measurement paying-off before construction so as to ensure that the elevation and the position of the concrete foundation (1) are unchanged;
s2, preparing to reserve a fixed limit sleeve in civil engineering at the connecting position of the air supply plate (6) before pouring
(3) The fixing sleeve (8) and the reinforcing sleeve (18) are perforated in advance according to different sizes before the fixing limit sleeve (3), the fixing sleeve (8) and the reinforcing sleeve (18) are reserved;
s3, the air supply plate (6) needs to be prefabricated in advance in a blocking mode, and when the air supply plate (6) is prefabricated, a sliding groove (16), a limiting plate (14), a side skirt (12), a reinforcing threaded hole (13) and a limiting threaded hole (15) of the air supply plate (6) need to be prefabricated according to the size requirement of a design drawing;
s4, when the civil engineering construction of the concrete foundation (1), the inclined shaft (21) and the main hole (2) is carried out, various impurities are inevitably dropped into the interior of the fixed limit sleeve (3), the fixed sleeve (8) and the reinforced sleeve (18), and impurities in the interior of the fixed limit sleeve (3), the fixed sleeve (8) and the reinforced sleeve (18) reserved in advance need to be cleaned;
s5, transporting the air supply plate (6) to the site, and performing site installation according to a design drawing and a specification; s6, after the installation is completed according to the requirements, test ventilation is carried out, and the ventilation effect is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255860.6A CN113958359B (en) | 2021-10-27 | 2021-10-27 | Tunnel air delivery duct top partition plate and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255860.6A CN113958359B (en) | 2021-10-27 | 2021-10-27 | Tunnel air delivery duct top partition plate and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113958359A CN113958359A (en) | 2022-01-21 |
| CN113958359B true CN113958359B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111255860.6A Active CN113958359B (en) | 2021-10-27 | 2021-10-27 | Tunnel air delivery duct top partition plate and construction method |
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| CN101761352A (en) * | 2010-01-13 | 2010-06-30 | 中铁隧道集团有限公司 | Ventilation method for inclined well and construction workface in tunnel construction |
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| KR101522504B1 (en) * | 2014-09-17 | 2015-05-21 | (주) 에스와이씨 | Construction method of tunnel airduct slab |
| KR101558991B1 (en) * | 2015-03-30 | 2015-10-13 | 창전이앤시 주식회사 | Tunnel for shelter path and vent path |
| CN105927261A (en) * | 2016-06-06 | 2016-09-07 | 中铁第勘察设计院集团有限公司 | Ventilation transportation system for single-inclined-shaft multi-face tunnel construction |
| KR102091354B1 (en) * | 2019-07-19 | 2020-03-19 | 김태균 | Precast segment optimizing airduct slab having crossbeam and construction step and construction method of the same |
| CN111255500A (en) * | 2020-03-30 | 2020-06-09 | 中铁第一勘察设计院集团有限公司 | Long-distance tunnel ventilation partition plate based on FRP (fiber reinforced plastic) plate and honeycomb aluminum core and construction method |
| CN211500701U (en) * | 2019-12-24 | 2020-09-15 | 山西省交通科技研发有限公司 | Long and large highway tunnel efflux fan installing support |
| US11136740B1 (en) * | 2020-07-28 | 2021-10-05 | Di Du | Underwater traffic tunnel |
-
2021
- 2021-10-27 CN CN202111255860.6A patent/CN113958359B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761352A (en) * | 2010-01-13 | 2010-06-30 | 中铁隧道集团有限公司 | Ventilation method for inclined well and construction workface in tunnel construction |
| CN202578747U (en) * | 2012-04-17 | 2012-12-05 | 中铁十六局集团有限公司 | Divided ventilation and smoke discharge device |
| CN102704980A (en) * | 2012-06-07 | 2012-10-03 | 中铁十一局集团第四工程有限公司 | Tunnel cavity separated roadway ventilation method |
| KR101522504B1 (en) * | 2014-09-17 | 2015-05-21 | (주) 에스와이씨 | Construction method of tunnel airduct slab |
| KR101558991B1 (en) * | 2015-03-30 | 2015-10-13 | 창전이앤시 주식회사 | Tunnel for shelter path and vent path |
| CN105927261A (en) * | 2016-06-06 | 2016-09-07 | 中铁第勘察设计院集团有限公司 | Ventilation transportation system for single-inclined-shaft multi-face tunnel construction |
| KR102091354B1 (en) * | 2019-07-19 | 2020-03-19 | 김태균 | Precast segment optimizing airduct slab having crossbeam and construction step and construction method of the same |
| CN211500701U (en) * | 2019-12-24 | 2020-09-15 | 山西省交通科技研发有限公司 | Long and large highway tunnel efflux fan installing support |
| CN111255500A (en) * | 2020-03-30 | 2020-06-09 | 中铁第一勘察设计院集团有限公司 | Long-distance tunnel ventilation partition plate based on FRP (fiber reinforced plastic) plate and honeycomb aluminum core and construction method |
| US11136740B1 (en) * | 2020-07-28 | 2021-10-05 | Di Du | Underwater traffic tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113958359A (en) | 2022-01-21 |
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