CN203948108U - A kind of concreting moulding form of the tunnel with withe and dividing plate - Google Patents
A kind of concreting moulding form of the tunnel with withe and dividing plate Download PDFInfo
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- CN203948108U CN203948108U CN201420405484.3U CN201420405484U CN203948108U CN 203948108 U CN203948108 U CN 203948108U CN 201420405484 U CN201420405484 U CN 201420405484U CN 203948108 U CN203948108 U CN 203948108U
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- mould
- partition wall
- tunnel
- dividing plate
- withe
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Abstract
The utility model discloses a kind of concreting moulding form of the tunnel with withe and dividing plate, comprise that the sealing being surrounded by tunnel integral mold plate system, partition wall template system and partition template system builds space; Between the vault mould of tunnel integral mold plate system and side wall side form and between vault mould and the partition wall side form of partition wall template system, be connected by angle mould system; Angle mould system comprises partition wall angle mould and side wall angle mould, partition wall angle mould comprises the outer arc forming surface being connected with vault mould and the inner side forming surface being connected with partition wall side form, side wall angle mould comprises the outer arc forming surface being connected with vault mould, and the side of its outer arc forming surface is directly connected with the top of side wall template.The utility model can be built moulding to realizing disposable integral with horizontal baffle with the concrete tunnel of the vertical partition wall of multiple tracks, has greatly improved efficiency of construction and workmanship, has guaranteed the airtight requirement in tunnel.
Description
Technical field
The utility model belongs to tunnel and builds mould, is specifically related to a kind of concreting moulding form of the tunnel with withe and dividing plate.
Background technology
Along with the development of underground construction technology, the novel tunnel under some complex geological conditions continues to bring out, and in order to meet specific instructions for use and force request, sometimes needs to build a kind of tunnel with the longitudinally vertical partition wall of multiple tracks.Underground defence construction and civil air defense constructions and installations that some is important, for the effectively pollution of isolation toxic and harmful or radioactive material confrontation adjacency channel, require high to the seal of partition wall, particularly in order to ensure internal staff's existence, sometimes also need to above passage, build level ventilation dividing plate, form airtight air-supply passage completely together with side wall, make the structure of passage more complicated, also bring great difficulty to construction.
For with longitudinally vertical partition wall and level ventilation partition plate coagulation soil tunnel of multiple tracks, traditional method is side wall and the vault of first building tunnel, and then with common brick build by laying bricks or stones or concreting in the middle of withe, finally, at partition wall and vault junction packing matcrial, ensure the airtight requirement of passage.Because withe belongs to secondary construction, after construction finishes, due to sinking or the concrete solidification shrinkage of brickwork, no matter encapsulant is filled closely knitly again, and junction all can leave micro-cracks unavoidably, has reduced airtight performance.In addition, building of level ventilation dividing plate is also generally first reserved channel-section steel on withe, treats to set up after partition wall construction scaffold again and carries out secondary and build, and working procedure is many, and airtight performance is also difficult to reach requirement.
Utility model content
The technical problem that the utility model solves is: for the above-mentioned defect existing in concreting process with the tunnel of partition wall and dividing plate, it is a kind of for building moulding form with the tunnel concrete of withe and dividing plate that the utility model provides, can realize the formed by integrally casting of tunnel entirety, partition wall and dividing plate, when lifting construction efficiency, improve the construction quality in tunnel.
The utility model adopts following technical scheme to realize: a kind of concreting moulding form of the tunnel with withe and dividing plate, comprises tunnel integral mold plate system, partition wall template system and partition template system; Wherein, between the vault mould 17 of tunnel integral mold plate system and side wall side form 27 and between vault mould 17 and the partition wall side form 14 of partition wall template system, be connected by angle mould system; Described angle mould system comprises partition wall angle mould and side wall angle mould 20, described partition wall angle mould comprises the outer arc forming surface being connected with vault mould 17 and the inner side forming surface being connected with partition wall side form 14, described side wall angle mould 20 comprises the outer arc forming surface being connected with vault mould 17, and the side of its outer arc forming surface is directly connected with the top of side wall template 27; Described tunnel integral mold plate system, partition wall template system and the rear and front end of partition template system are equipped with end mould and seal into an overall space of building.
Further, the partition wall side form 14 of described partition wall template system is being cut off into upper and lower two parts with the junction of partition template system by dividing plate bed die 6, and support 29 connections by dividing plate side form, partition wall is built to space and dividing plate is built the entirety that space is linked to be a connection, described dividing plate side form supports 29 height and equals the thickness that dividing plate is built.
Further, described mould also comprises the column 24 that supports described vault mould 17, and the bow member that the top of described column 24 is connected with vault mould 17 inwalls connects.
Further, due to the existence of vertical partition wall, described bow member is disconnected arch, comprises and is arranged on the disconnected arch 13 of the two-part side wall in left and right and is arranged on the disconnected arch 15 in air channel, top, tunnel top air channel, and the disconnected arch 15 in described air channel is opposed two disconnected arches.
Further, between the disconnected arch 15 in described two air channels, leave gap, reserve the space that move at demoulding Shi Xiang center.
Further, between described vertical side wall side form 27 and partition wall side form 14 and between adjacent partition wall side form 14, be equipped with horizontal brace 23.
Further, between described horizontal brace 23 one of them end and side form, be provided with screw mandrel adjusting device 22.
Further, described screw mandrel adjusting device 22 comprises the fixed muffle 22-1 being installed on horizontal brace 23 and is installed in the quill 22-4 on side form, described fixed muffle 22-1 and quill 22-4 are provided with reverse screwed hole, and couple together by the screw mandrel 22-2 that two ends are provided with reverse thread, described screw mandrel 22-2 is provided with adjustment hole 22-3.
In the utility model, template in described tunnel integral mold plate system, partition wall template system and partition template system is by panel, frame and floor composition, described frame is installed in panel periphery, which is provided with the bolt hole for connecting adjacent forms, described floor is installed in the inwall of panel for increasing slab strength.
The horizontal frame of the template of described vault mould 17 is provided with triangular cut, for radian laminating template is bending and bow member.
The utility model passes through appropriate design, build at conventional tunnel concrete on the basis of moulding form, well by angle mould system, the template system of partition wall and dividing plate is carried out to combination, tunnel entirety and partition wall are realized, the primary concreting moulding of dividing plate, effectively promote the concrete pouring construction speed with the tunnel of the longitudinally vertical partition wall of multiple tracks and ventilation dividing plate, eliminate secondary and built the defect of the seal that partition wall and dividing plate exist, further ensure the construction quality of tunneling, can extensive use in the extraordinary tunnel road and bridge construction with partition wall and dividing plate.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Brief description of the drawings
Fig. 1 is the structural representation in the tunnel of the longitudinally vertical partition wall of band and ventilation dividing plate.
Fig. 2 is the concreting moulding form overall schematic of the utility model for Fig. 1 tunnel.
Fig. 3 is the front schematic view of Fig. 2.
Fig. 4 be vent passages in Fig. 1 join mould schematic diagram.
Fig. 5 is the front schematic view of the angle mould template system in the utility model.
Fig. 6 is the template schematic diagram of the side wall side form in the utility model.
Fig. 7 is the domed end mould schematic diagram that is arranged on vault mould end in the utility model.
Fig. 8 is the template schematic diagram of the vault mould in the utility model.
Fig. 9 is the screw mandrel adjusting device schematic diagram in the utility model.
Detailed description of the invention
Embodiment
Referring to Fig. 1, massif, after explosion pick is expanded, forms hair hole 1, and its inner side, due to the effect of explosion, can form rough scar.Sequence number 2 to sequence number 11 is the concrete structure that needs to build moulding after 1 excavation of hair hole, when construction, first build side wall basis 7 and partition wall basis 9, then backfill rock ballast terrace 8 is by floor leveling compacting, build again the mould in Fig. 2 to Fig. 9, property monobloc cast side wall 6 once on side wall basis 7 and partition wall basis 9, vault 2, withe 3 and horizontal baffle 4, the withe 3 of monobloc cast is both for supporting vault, ensure again the airtight of partition wall and vault junction, simultaneously, withe 3 between any two and the man-vehicle passage 10 forming between partition wall and side wall for personnel and vehicle pass-through.Between horizontal baffle 4 and twice withe 3, form the vent passages 5 of sealing.After the concrete structure pouring of top, concreting terrace 11, makes ground become solid, has also further stopped up the gap that may form between partition wall, side wall and basis simultaneously, makes isolation completely between each passage, more airtight.
Concrete, build the mould concrete structure of side wall 6, vault 2, withe 3 and horizontal baffle 4 referring to Fig. 2 to Fig. 5, the concreting moulding form in the tunnel with withe and dividing plate, comprises tunnel integral mold plate system, partition wall template system and partition template system; Wherein, between the vault mould 17 of tunnel integral mold plate system and side wall side form 27 and between vault mould 17 and the partition wall side form 14 of partition wall template system, be connected by angle mould system; Angle mould system comprises partition wall angle mould 18,19 and side wall angle mould 20, partition wall angle mould comprises the outer arc forming surface being connected with vault mould 17 and the inner side forming surface being connected with partition wall side form 14, side wall angle mould 20 comprises the outer arc forming surface being connected with vault mould 17, and the side of its outer arc forming surface is directly connected with the top of side wall template 27; Tunnel integral mold plate system, partition wall template system and the rear and front end of partition template system are equipped with end mould and seal into an overall space of building.
Mould also comprises the column 24 of supporting arch backform 17, and the bow member that the top of column 24 is connected with vault mould 17 inwalls connects.Due to the existence of vertical partition wall, the bow member of vault mould 17 is disconnected arch, comprises and is arranged on the disconnected arch 13 of the two-part side wall in left and right and is arranged on the disconnected arch 15 in air channel, top, tunnel top air channel, and the disconnected arch 15 in air channel is opposed two disconnected arches.Between vertical side wall side form 27 and partition wall side form 14 and between adjacent partition wall side form 14, be equipped with horizontal brace 23.Between horizontal brace 23 one of them end and side form, be provided with screw mandrel adjusting device 22.
Because vault mould is separated into three sections by partition wall, each section of moulding is regular when guaranteeing concreting, especially the position corner angle of vault and partition wall handing-over are clearly demarcated, do not run mould, the utility model innovative design angle mould template system, concrete structure is referring to Fig. 4, wherein, vault mould 17 is connected with two side forms of same partition wall, therefore partition wall angle mould is divided into the first partition wall angle mould 18 and the angle that angle is greater than 90 ° and is less than 90 ° of second partition wall angle mould 19, the outer arc length of each section of angle mould outer arc forming surface 18-1 designs according to total arc length of every section of vault, taking total arc length of this section of vault as 3758 millimeters as example, when design, first remove 3000 millimeters of integers wide 1.2 meters by 3, the standard vault mould 17 of long 1 meter is spliced, divide equally for remaining 758 millimeters, make the arc length of outer arc forming surface be 379 millimeters, the length of its inner side forming surface 18-2 designs according to the height of partition wall, deducted the length of standard large form by partition wall overall height, remaining just as the length of inner side forming surface 18-2.The special-shaped angle mould of design can closely splice with standard vault mould 17 and partition wall side form 14, side wall side form 27 like this, and seals closely knit die cavity with forming together with the headwall template of both sides, is convenient to the concrete moulding of building.
Referring to Fig. 5, the partition wall side form 14 of partition wall template system is being cut off into upper and lower two parts with the junction of partition template system by dividing plate bed die 6, top is divided into the inwall of the vent passages 5 in Fig. 1, bottom is divided into the inwall of man-vehicle passage 10, upper and lower two parts dividing plate bed die 6 supports 29 by dividing plate side form and connects, partition wall is built to space and dividing plate and built space and surround the entirety of a connection, dividing plate side form supports 29 height and equals the thickness that dividing plate is built.In order to build airtight vent passages 5, vault 2, withe 3 and the complete closure of horizontal baffle 4 must be got up, the mould of joining of realizing in Fig. 5 is crucial.Relative two partition wall side forms 14 are installed dividing plate bed die 16 after supporting well by screw mandrel adjusting device 22 and horizontal brace 23 above horizontal brace 23, and this dividing plate bed die 16 is templates that a centre has square hole to be provided 16-1, and column 24 passes from hole to be provided 16-1; Between upper and lower two-part partition wall side form 14, equidistantly place dividing plate side form and support 29, be used for supporting partition wall side form 14, upper and lower two-part side wall template is connected with two templates of dividing plate side form upper and lower surfaces respectively, it is that a diameter is the round steel of 5 centimetres that dividing plate side form supports 29, long 30 centimetres, after vent passages 5 is built, column 24 and dividing plate side form support 29 and are embedded in the horizontal baffle of building, can be pounded except reserving hole, then with concrete by holes blocking, also column 24 upper and lower sides can be cut off, remaining part is stayed in concrete.Between the two partition wall side forms 14 in vent passages inwall left and right, support with screw mandrel adjusting device 22 and horizontal brace 23 equally, the disconnected arch 15 of the first partition wall angle mould 18 and air channel is installed in partition wall side form 14 tops, make partition wall side form 14 concordant with the lateral surface of the first partition wall angle mould 18, Duan Gong15 lower end, air channel is fastenedly connected by bolt and partition wall side form 14, the radian of top disconnected arch 15 along air channel is laid the vault mould 17 of standard, and standard vault mould 17 is fastened on the disconnected arch 15 in air channel with U-bolts; The disconnected arch 15 in air channel adopts 160 millimeters of i iron processing, between the disconnected arch 15 in air channel, left and right, leave the disconnected arch piece 15-1 of 20 millimeters, when installation, use wood chip jam-pack, and therefrom pass with bolt, disconnected two air channels arch 15 is linked together, and (object that wood chip is installed is to be convenient to form removal, when form removal, lay down bolt, wood chip is pounded out and can easily disconnected air channel arch 15 be pulled down, otherwise will be choked and cannot dismantle by concrete).Disconnected arch brace beam 24-1 makes of the square steel of 100 millimeters of external diameters equally, is longitudinally arranged on the stitching portion of the disconnected arch 15 in air channel, and shore by column 24 below, for the disconnected arch 15 in air channel is carried out to unified support.
In conjunction with referring to Fig. 6, Fig. 7 and Fig. 8, all templates in this mould can be divided into large form and little template two classes.The template of the side wall side form 27 in Fig. 6 is large form, is made by side wall side form frame 27-1, side wall side form floor 27-2 and side wall side form panel 27-3, and side wall side form frame 27-1 adopts 160 millimeters of channel-section steel welding, four limit head and the tail sealings; Side wall side form panel 27-3 is the steel plate of 5 millimeters thick, is welded on the side of side wall side form frame 27-1, outside light faces, for concrete formation; Side wall side form floor 27-2 is the channel-section steel of 80 millimeters, laterally with longitudinal arranged crosswise, two ends and side wall side form frame 27-1 firm welding, the back side and side wall side form panel 27-3 spot welding reinforcing, play support panel, strengthen stressed; On side wall side form frame 27-1, have some groups of side wall side form bolt hole 27-4, for to being fastenedly connected wearing bolt between adjacent forms.In addition, partition wall side form 14 and dividing plate bed die 16 are all the large form structures in Fig. 6.
The template of the domed end mould 12 in Fig. 7 is little template, be made by domed end mould frame 12-1, domed end mould floor 12-2 and domed end die face plate 12-3, domed end mould frame 12-1 adopts 50 millimeters of angle steel welding, four limit head and the tail sealings, its shape designs according to the concrete peripheral profile of vault; Domed end die face plate 12-3 is the steel plate of 5 millimeters thick, is welded on the side of frame 12-1, in light faces, for concrete formation; Domed end mould floor 12-2 is the angle steel of 50 millimeters, taking minor face as horizontal direction, two ends and domed end mould frame 12-1 firm welding, the back side and domed end die face plate 12-3 spot welding are reinforced, play support panel, strengthen stressed; On the domed end mould frame 12-1 of two minor faces, have domed end mould bolt hole 12-4, a side is for being connected with side wall end mould bolt, and opposite side is connected with adjacent template; On inner arc frame, also have some groups of domed end mould bolt hole 12-4, for being connected with the disconnected arch 15 of the disconnected arch 13 of side wall and air channel.Domed end mould 12 head and the tail of each fritter connect, and the headwall template of common formation sealing together with side wall end mould 21, partition wall end mould 25, while preventing concreting, flow out from two ends.In addition, vault mould 17, side wall end mould 21, partition wall end mould 25 and dividing plate end mould 28 are all the little templates in Fig. 7.
Referring to Fig. 8, the structure of vault mould 17 is identical with other little templates, comprise vault mould frame 17-1, vault die face plate 17-2, vault mould floor 17-3 and vault mould bolt hole 17-4, different is, on the vault mould frame 17-1 of both lateral sides, have triangular cut 17-5, while laying, owing to there being the existence of triangular cut 17-5 on bow member, can make standard vault mould 17 along a little inwardly bending laminating of the radian of bow member, make concreting after inner side form smooth curved profile face.
Referring to Fig. 9, screw mandrel adjusting device 22 comprises the fixed muffle 22-1 being installed on horizontal brace 23 and is installed in the quill 22-4 on side form, the backing plate of quill 22-4 is fastened on side form with bolt 22-5, fixed muffle 22-1 and quill 22-4 are provided with reverse screwed hole, and couple together by the screw mandrel 22-2 that two ends are provided with reverse thread, screw mandrel 22-2 is provided with adjustment hole 22-3.When concrete use, by being rotated screw mandrel 22-2 in reinforcing rod or inserted pin special insertion adjustment hole 22-3, outwards can make quill 22-4 or move inward, with support force or the form removal of this adjusting side mould.Below the other end of horizontal brace 23 and the end of quill 22-4, be provided with a bearing 23-1 who makes of angle steel, in order to hold screw mandrel adjusting device and horizontal brace.
Above-mentioned is preferred embodiment of the present utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; the various variations of in form and details the utility model having been done, all belong to protection domain of the present utility model.
Claims (10)
1. the concreting moulding form in the tunnel with withe and dividing plate, is characterized in that: comprise tunnel integral mold plate system, partition wall template system and partition template system; Wherein, between the vault mould (17) of tunnel integral mold plate system and side wall side form (27) and between the partition wall side form (14) of vault mould (17) and partition wall template system, be connected by angle mould system; Described angle mould system comprises partition wall angle mould and side wall angle mould (20), described partition wall angle mould comprises the outer arc forming surface being connected with vault mould (17) and the inner side forming surface being connected with partition wall side form (14), described side wall angle mould (20) comprises the outer arc forming surface being connected with vault mould (17), and the side of its outer arc forming surface is directly connected with the top of side wall template (27); Described tunnel integral mold plate system, partition wall template system and the rear and front end of partition template system are equipped with end mould and seal into an overall space of building.
2. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 1, it is characterized in that: the partition wall side form (14) of described partition wall template system is being cut off into upper and lower two parts with the junction of partition template system by dividing plate bed die (6), and support (29) connection by dividing plate side form, partition wall is built to space and dividing plate is built the entirety that space is linked to be a connection, the height that described dividing plate side form supports (29) equals the thickness that dividing plate is built.
3. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 2, it is characterized in that: described mould also comprises the column (24) that supports described vault mould (17), the bow member that the top of described column (24) is connected with vault mould (17) inwall connects.
4. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 3, it is characterized in that: described bow member is disconnected arch, comprise and be arranged on the disconnected arch of the two-part side wall in left and right (13) and be arranged on the tunnel top air channel top disconnected arch in air channel (15), the disconnected arch in described air channel (15) is opposed two disconnected arches.
5. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 4, is characterized in that: between the disconnected arches in described two air channels (15), leave gap.
6. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 5, is characterized in that: between described vertical side wall side form (27) and partition wall side form (14) and be equipped with horizontal brace (23) between adjacent partition wall side form (14).
7. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 6, is characterized in that: between one of them end of described horizontal brace (23) and side form, be provided with screw mandrel adjusting device (22).
8. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 1, it is characterized in that: described screw mandrel adjusting device (22) comprises the fixed muffle (22-1) being installed on horizontal brace (23) and is installed in the quill (22-4) on side form, described fixed muffle (22-1) is provided with reverse screwed hole with quill (22-4), and couple together by the screw mandrel (22-2) that two ends are provided with reverse thread, described screw mandrel (22-2) is provided with adjustment hole (22-3).
9. according to the concreting moulding form in a kind of tunnel with withe and dividing plate described in any one in claim 1-8, it is characterized in that: the template in described tunnel integral mold plate system, partition wall template system and partition template system is by panel, frame and floor composition, described frame is installed in panel periphery, which is provided with the bolt hole for connecting adjacent forms, described floor is installed in the inwall of panel for increasing slab strength.
10. the concreting moulding form in a kind of tunnel with withe and dividing plate according to claim 9, it is characterized in that: the horizontal frame of the template of described vault mould (17) is provided with triangular cut, for radian laminating template is bending and bow member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405484.3U CN203948108U (en) | 2014-07-22 | 2014-07-22 | A kind of concreting moulding form of the tunnel with withe and dividing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405484.3U CN203948108U (en) | 2014-07-22 | 2014-07-22 | A kind of concreting moulding form of the tunnel with withe and dividing plate |
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| CN203948108U true CN203948108U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420405484.3U Expired - Fee Related CN203948108U (en) | 2014-07-22 | 2014-07-22 | A kind of concreting moulding form of the tunnel with withe and dividing plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109372553A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | Tunnel mould spray belt template component |
| CN109681239A (en) * | 2019-01-16 | 2019-04-26 | 北京市政建设集团有限责任公司 | A kind of unearthed tunnel mould bases construction method of shield |
| CN109736853A (en) * | 2019-03-22 | 2019-05-10 | 安徽佳乐建设机械有限公司 | A kind of jet mould trolley for tunnel concrete injection |
| CN110030016A (en) * | 2019-05-08 | 2019-07-19 | 中铁第六勘察设计院集团有限公司 | A kind of ground consisting of hard rock tunneling single shell lining Subway Stop line large cross-section tunnel structure |
| CN111411977A (en) * | 2020-03-26 | 2020-07-14 | 中铁十二局集团有限公司 | Construction method for connecting diaphragm in single-hole double-layer tunnel by mould building |
| CN112065447A (en) * | 2020-09-08 | 2020-12-11 | 中建钢构天津有限公司 | Tunnel formwork and construction method |
| WO2023010833A1 (en) * | 2021-08-03 | 2023-02-09 | 西安世纪金属结构有限公司 | Corrugated steel partition wall structure |
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2014
- 2014-07-22 CN CN201420405484.3U patent/CN203948108U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372553A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | Tunnel mould spray belt template component |
| CN109372553B (en) * | 2018-11-26 | 2024-03-08 | 四川蓝海智能装备制造有限公司 | Belt template assembly for primary support mould spraying of tunnel |
| CN109681239A (en) * | 2019-01-16 | 2019-04-26 | 北京市政建设集团有限责任公司 | A kind of unearthed tunnel mould bases construction method of shield |
| CN109736853A (en) * | 2019-03-22 | 2019-05-10 | 安徽佳乐建设机械有限公司 | A kind of jet mould trolley for tunnel concrete injection |
| CN110030016A (en) * | 2019-05-08 | 2019-07-19 | 中铁第六勘察设计院集团有限公司 | A kind of ground consisting of hard rock tunneling single shell lining Subway Stop line large cross-section tunnel structure |
| CN110030016B (en) * | 2019-05-08 | 2024-02-09 | 中铁第六勘察设计院集团有限公司 | Large-section tunnel structure of hard rock stratum underground excavation single-layer lining subway parking line |
| CN111411977A (en) * | 2020-03-26 | 2020-07-14 | 中铁十二局集团有限公司 | Construction method for connecting diaphragm in single-hole double-layer tunnel by mould building |
| CN112065447A (en) * | 2020-09-08 | 2020-12-11 | 中建钢构天津有限公司 | Tunnel formwork and construction method |
| WO2023010833A1 (en) * | 2021-08-03 | 2023-02-09 | 西安世纪金属结构有限公司 | Corrugated steel partition wall structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20150722 |
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| EXPY | Termination of patent right or utility model |