CN104514570A - Tunnel ditch cable trough form trolley - Google Patents
Tunnel ditch cable trough form trolley Download PDFInfo
- Publication number
- CN104514570A CN104514570A CN201410765217.1A CN201410765217A CN104514570A CN 104514570 A CN104514570 A CN 104514570A CN 201410765217 A CN201410765217 A CN 201410765217A CN 104514570 A CN104514570 A CN 104514570A
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- template
- column
- tunnel ditch
- framework
- crossbeam
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- 239000000725 suspension Substances 0.000 claims abstract description 33
- 238000009415 formwork Methods 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 244000017160 saligot Species 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a tunnel ditch cable trough template trolley, which comprises a frame and templates, wherein the upper end of the frame is connected with a cross beam, the cross beam is respectively connected with a first stand column and a second stand column, the tunnel ditch cable trough trolley also comprises an arched truss, the bottom end of the arched truss is provided with an arched truss bottom beam, two ends of the arched truss bottom beam are respectively fixed on the cross beam, the lower end of the arched truss bottom beam is uniformly provided with at least one carrying pole cross beam, the carrying pole cross beam and the cross beam are respectively and movably and vertically connected with ten suspension rods, the bottom end of each suspension rod is connected with a template, the templates comprise a power cable trough template, a side ditch template, a communication signal cable trough template and a side template, and movable concrete pouring collection hoppers are arranged among the power cable trough template. The tunnel ditch cable trough formwork trolley provided by the invention solves the problems of small pouring section span, inconvenience in movement, difficulty in formwork removal and inaccuracy in positioning of an integral formwork due to the fact that an inverted L-shaped steel frame is used as a supporting main beam.
Description
Technical field
The present invention relates to technical field of tunnel construction, particularly relate to a kind of formwork jumbo, relate more specifically to a kind of integral mold plate chassis used when building Railway Tunnel ditch cable trench.
Background technology
At present, in the construction of Railway Tunnel ditch cable trench, need to control with each spot size of template to concrete work.Traditional concrete mould method of plate installation is: adopt fritter punching block to carry out assembled according to scantling, and use rod member to support, the locus of template is fixed.Although the method has the feature of the light and convenient transportation of modular shuttering element, lowly, construction cost is high, and appearance quality trait is difficult for work efficiency.
Disclose two kinds of integral mold plates used in the construction of Railway Tunnel ditch cable trench in prior art mobile trolley used, but also there is the defect of following four aspects in these two kinds of technical schemes:
The first, two kinds of technical schemes all have employed inverted L shape steelframe as support girder, and its shortcoming is: when one-off construction length is more than 8 meters, and the amount of deflection meeting gross distortion of support girder, can not meet design and code requirement; When length of once constructing is less than 8 meters, the amount of deflection of support girder can not gross distortion, but construction cycle-index increases, and causes the problem that construction effect reduces and construction cost increases.
The second, wherein technical scheme adds bayonet lock by angle to carry out a form removal, and because the lateral pressure after concreting makes frictional force strengthen, stripping is very difficult in this way; Another kind of technical scheme adopts to arrange demoulding shrinkage joint and demoulding fixture block to facilitate form removal, the concrete first clearing up demoulding shrinkage joint place is needed after concreting, carry out form removal again, due to lateral sulcus ditch depth and its cross section is narrow, concrete is removed very difficult, adopt often can only adopt in this way to strike and pound steel form or the method that promotes by force carrys out stripping, thus cause template deformation, repair template and will consume the plenty of time.
Three, two kinds of technical schemes are all adopt cross binding one end of integral mold plate to be fixed on the way completed on secondary lining concrete surface, solve Overall Steel Formwork location and fixing problem, but, the secondary lining face having completed construction is due to the reason such as reserved of constructing, possible line style is not on the same line, lateral deviation after causing ditch cable trench to construct, there will be the problem not meeting design and code requirement.
Running gear when four, moving about integral mold plate, two kinds of technical schemes adopt respectively: a single front-wheel and arrange the method for double movable pulley under the counterweight beam of side, these two kinds of methods are when mobile, heavy mechanical equipment is all needed to coordinate, mobile inconvenient, and completed concrete corner easily breaks by moving process.
Therefore, for above deficiency, need to provide a kind of moveable integral mold plate chassis used when building Railway Tunnel ditch cable trench.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is to provide a kind of tunnel ditch cable channel formwork chassis, solve owing to adopting inverted L shape steelframe to cause as support girder that the section of building span is little, form removal is inconvenient, and locate inaccurate problem owing to adopting the secondary lining face having completed construction to position the integral mold plate caused.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of tunnel ditch cable channel formwork chassis, comprise framework and template, frame vertical straight is arranged, the both sides of framework upper end are all connected with the crossbeam stretched out to the same side, two crossbeams are connected to the first column and the second column, the first column, the second column are identical with the distance of framework;
Also comprise the arch truss be arranged at above the first column and the second column, arch truss bottom is provided with arch truss bottom girder, the two ends of arch truss bottom girder are individually fixed on crossbeam, and the lower end of arch truss bottom girder evenly arranges at least one shoulder pole crossbeam, and shoulder pole crossbeam all be arranged in parallel with crossbeam;
Shoulder pole crossbeam and crossbeam distinguish mobilizable vertical connection ten suspension rods, suspension rod bottom connects template, template comprises power cable slot template, lateral sulcus template, communicaton and signal cable slot template and cheek board, the cheek board with frame parallel is connected with in the bottom of a suspension rod near framework, in all the other nine suspension rods, every three is one group, and the bottom often organizing suspension rod connects power cable slot template, lateral sulcus template and communicaton and signal cable slot template respectively;
Power cable slot template, between lateral sulcus template and communicaton and signal cable slot template, be provided with moveable concreting aggregate bin.
Preferably, aforementioned power cable slot template, lateral sulcus template and communicaton and signal cable slot template are respectively by base plate with two side plates are dismountable forms, and three suspension rods often in group connect base plate and two side plates of power cable slot template, lateral sulcus template and communicaton and signal cable slot template respectively.
Preferably, aforesaid frame is also provided with the first diagonal brace for supporting and the second diagonal brace, the length of the first diagonal brace and the second diagonal brace is all adjustable.
Preferably, the height of aforementioned first column is less than the height of the second column, and the bottom of the first column and the second column is equipped with road wheel.
Preferably, multiple reinforcing shaped steel is vertically provided with uniformly between aforementioned arch truss and arch truss bottom girder.
Preferably, between aforementioned cheek board and framework level be provided with spiral support bar.
Preferably, aforementioned shoulder pole crossbeam lower end is provided with spacing angle steel.
Preferably, liftable wheel hub is provided with bottom aforesaid frame.
Preferably, all connected by bolt between each parts of aforementioned tunnel ditch cable channel formwork chassis.
Preferably, aforementioned suspension rod is made up of screw-thread steel.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages:
Tunnel ditch cable channel formwork chassis provided by the invention, comprise framework and template, framework upper end connecting cross beam, crossbeam is connected to the first column and the second column, also comprise arch truss and arch truss bottom girder, the two ends of arch truss bottom girder are individually fixed on crossbeam, the lower end of arch truss bottom girder evenly arranges three shoulder pole crossbeams, shoulder pole crossbeam and crossbeam distinguish mobilizable vertical connection ten suspension rods, suspension rod bottom connects template, template comprises power cable slot template, lateral sulcus template, communicaton and signal cable slot template and cheek board, power cable slot template, moveable concreting aggregate bin is provided with between lateral sulcus template and communicaton and signal cable slot template.
Tunnel ditch cable channel formwork chassis provided by the invention, with bolts, and apply arch truss, considerably increase the rigidity of chassis, make chassis have Integratively template and build the large advantage of length, apply arch truss, screw-thread steel suspension rod, make the Template Location degree of accuracy high, and its form removable is convenient and simple, formwork integral moving is easy, therefore improve construction efficiency, reduce construction cost, Surface Quality of Concrete is easily controlled, and ensure that built groove structure size is accurate.
In the present invention, the first column and framework, wheeled second column, the first diagonal brace and the second diagonal brace together form stable firmly stress system, the arc secondary lining face that chassis stress frame has not been constructed with tunnel contacts, ensure that ditch cable trench line style is straight, also ensure that the convenience of formwork jumbo movement simultaneously.
In the present invention, power cable slot template, lateral sulcus template and communicaton and signal cable slot template arrange two side plates and base plate respectively, two side plates and base plate are separable connection, two side plates and base plate are located respectively by suspension rod, crossbeam, shoulder pole crossbeam and spacing angle steel, when form removal, as long as the bolt come loose on suspension rod, and remove spacing angle steel, two side plates and base plate can be removed, the frictional force of bearing during form removable is reduced, do not need to carry out concrete removing at narrow space, stripping is become easily simple.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of tunnel ditch cable channel formwork chassis of the present invention;
Fig. 2 is the lateral view of tunnel ditch cable channel formwork chassis of the present invention;
Fig. 3 is the structural representation of middle frame of the present invention;
Fig. 4 is the structural representation of arch truss in the present invention;
Fig. 5 is the structural representation of power cable slot template in the present invention;
Fig. 6 is the structural representation of lateral sulcus template in the present invention;
Fig. 7 is the structural representation of communicaton and signal cable slot template in the present invention;
Fig. 8 is the structural representation of cheek board in the present invention.
In figure: 1: framework; 2: the second columns; 3: the first columns; 4: crossbeam; 5: arch truss; 6: arch truss bottom girder; 7: shoulder pole crossbeam; 8: suspension rod; 9: power cable slot template; 10: lateral sulcus template; 11: communicaton and signal cable slot template; 12: the first diagonal braces; 13: the second diagonal braces; 14: road wheel; 15: reinforce shaped steel; 16: spiral support bar; 17: spacing angle steel; 18: wheel hub; 19: end face filled by inverted arch; 20: cheek board.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment one
As shown in Figure 1, 2, a kind of tunnel ditch cable channel formwork chassis that the embodiment of the present invention provides, whole chassis is arranged at tunnel invert and fills on end face 19, and the inverted arch filling end face 19 in tunnel comprises the ditch cable trench and ditch cable trench inverted arch concrete segment to be built that complete and build.
The present embodiment comprises framework 1 and template, and as shown in Figure 3, framework 1 is vertically arranged the structure of framework 1, is provided with liftable wheel hub 18 bottom framework 1.Framework 1 is placed on the position near tunnel central axis along direction, tunnel, the both sides of framework 1 upper end are all connected with the crossbeam 4 stretched out to the same side, two crossbeams 4 are connected to the first column 3 identical with the distance of framework 1 with the second column 2, first column 3, second column 2; The height of the first column 3 is less than the height of the second column 2, and the bottom of the first column 3 and the second column 2 is equipped with road wheel 14.First column 3 is positioned in the ditch cable trench completing and build, and the second column 2 is positioned in ditch cable trench inverted arch concrete segment to be built.Length framework 1 being also provided with the first diagonal brace 12 for supporting and the second diagonal brace 13, first diagonal brace 12 and the second diagonal brace 13 is all adjustable, and the minimum and maximum length of the first diagonal brace 12 is all greater than the second diagonal brace 13.
The first column 3 with road wheel 14 and framework 1, be with the second column 2, first diagonal brace 12 of road wheel 14 and the second diagonal brace 13 together form to stablize firmly stress system, the arc secondary lining face that the framework 1 of chassis has not been constructed with tunnel contacts, ensure that the ditch cable trench line style after building is straight, also ensure that the convenience of chassis movement simultaneously.
Also comprise the arch truss 5 be arranged at above the first column 3 and the second column 2, the structure of arch truss 5 as shown in Figure 4, arch truss 5 bottom is provided with arch truss bottom girder 6, vertically be provided with multiple reinforcing shaped steel 15 uniformly between arch truss 5 and arch truss bottom girder 6, be out of shape to prevent arch truss 5 and arch truss bottom girder 6.The two ends of arch truss bottom girder 6 are individually fixed on crossbeam 4, and the lower end of arch truss bottom girder 6 evenly arranges three shoulder pole crossbeams 7, and shoulder pole crossbeam 7 all be arranged in parallel with crossbeam 4.
Shoulder pole crossbeam 7 and crossbeam 4 distinguish mobilizable vertical connection ten suspension rods 8, and suspension rod 8 is made up of screw-thread steel.Suspension rod 8 bottom connects template.Arch truss 5 makes support system be separated with template system, when end face 19 out-of-flatness filled by the inverted arch of tunnel, because shoulder pole crossbeam 7 is connected each template with crossbeam 4 by mobilizable suspension rod 8, ensure that each template vertical direction is arranged, thus ensure that the ditch cable trench top after building is straight, and do not fill the impact of end face 19 out-of-flatness factor by tunnel invert.
The present embodiment, also by the suspension rod 8 that fining twisted steel is made, accurately can be located needing the end face absolute altitude of concreting, and the overall vertical-lift of template system, can not produce finished product concrete water caltrop and destroy, ensure that concrete good looking appearance.
Shoulder pole crossbeam 7 lower end is provided with spacing angle steel 17, limits the position of each template, to locate the lateral separation between each template exactly.
Template comprises power cable slot template 9, lateral sulcus template 10, communicaton and signal cable slot template 11 and cheek board 20, and the structure of each template as viewed in figures 5-8.Be connected with the cheek board 20 parallel with framework 1 in the bottom of a suspension rod 8 near framework 1, between cheek board 20 and framework 1, level is provided with spiral support bar 16.In all the other nine suspension rods 8, every three is one group, and the bottom often organizing suspension rod 8 connects power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 respectively.
Power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 are respectively by base plate with two side plates are dismountable forms, and three suspension rods 8 often in group connect base plate and two side plates of power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 respectively.Power cable slot template 9, lateral sulcus template 10 and communicaton and signal cable slot template 11 arrange two side plates and base plate respectively, two side plates and base plate are separable connection, two side plates and base plate are located respectively by suspension rod, crossbeam, shoulder pole crossbeam and spacing angle steel, when form removal, as long as the bolt come loose on suspension rod, and remove spacing angle steel, two side plates and base plate can be removed, the frictional force of bearing during form removable is reduced, do not need to carry out concrete removing at narrow space, stripping is become easily simple.
Power cable slot template 9, between lateral sulcus template 10 and communicaton and signal cable slot template 11, be provided with moveable concreting aggregate bin, after concreting, Cable Groove, lateral sulcus and communicaton and signal cable groove can be formed.
All connected by bolt between each parts of the present embodiment chassis, and the shaped steel steel that all parts all adopts rigidity large, and apply arch truss 6, considerably increase the rigidity of whole chassis, single construction length is increased greatly, decreases construction cycle-index.
The present embodiment is when constructing, and band the first column 3 of road wheel 14 and a part for each template are fixed in the ditch cable trench of having constructed; After one section of ditch cable trench has been constructed, do not need overall pulling down template.When hypomere is constructed, only the first diagonal brace 12 and the second diagonal brace 13 need be packed up, the liftable wheel hub 18 of the lower end at framework 1 is put down, carry out accurately location and reliable construction with regard to next section section to be built that moved to by chassis that can be parallel.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a tunnel ditch cable channel formwork chassis, comprise framework (1) and template, described framework (1) is vertically arranged, it is characterized in that: the both sides of described framework (1) upper end are all connected with the crossbeam (4) stretched out to the same side, described two crossbeams (4) are connected to the first column (3) and the second column (2), and the first column (3), the second column (2) are identical with the distance of framework (1);
Also comprise the arch truss (5) being arranged at the first column (3) and the second column (2) top, described arch truss (5) bottom is provided with arch truss bottom girder (6), the two ends of described arch truss bottom girder (6) are individually fixed on described crossbeam (4), the lower end of described arch truss bottom girder (6) evenly arranges at least one shoulder pole crossbeam (7), and described shoulder pole crossbeam (7) all be arranged in parallel with described crossbeam (4);
Described shoulder pole crossbeam (7) and upper mobilizable vertical connection ten suspension rods (8) respectively of crossbeam (4), described suspension rod (8) bottom connects described template, described template comprises power cable slot template (9), lateral sulcus template (10), communicaton and signal cable slot template (11) and cheek board (20), the cheek board (20) parallel with described framework (1) is connected with in the bottom of a suspension rod (8) near framework (1), in all the other nine suspension rods (8), every three is one group, the described bottom often organizing suspension rod (8) connects described power cable slot template (9) respectively, lateral sulcus template (10) and communicaton and signal cable slot template (11),
Described power cable slot template (9), between lateral sulcus template (10) and communicaton and signal cable slot template (11), be provided with moveable concreting aggregate bin.
2. tunnel ditch cable channel formwork chassis according to claim 1, it is characterized in that: described power cable slot template (9), lateral sulcus template (10) and communicaton and signal cable slot template (11) are respectively by base plate with two side plates are dismountable forms, and three suspension rods (8) in described often group connect base plate and two side plates of power cable slot template (9), lateral sulcus template (10) and communicaton and signal cable slot template (11) respectively.
3. tunnel ditch cable channel formwork chassis according to claim 1, it is characterized in that: described framework (1) is also provided with the first diagonal brace (12) for supporting and the second diagonal brace (13), the length of described first diagonal brace (12) and the second diagonal brace (13) is all adjustable.
4. tunnel ditch cable channel formwork chassis according to claim 1, it is characterized in that: the height of described first column (3) is less than the height of the second column (2), and the bottom of described first column (3) and described second column (2) is equipped with road wheel (14).
5. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: be vertically provided with multiple reinforcing shaped steel (15) uniformly between described arch truss (5) and arch truss bottom girder (6).
6. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: between described cheek board (20) and described framework (1), level is provided with spiral support bar (16).
7. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: described shoulder pole crossbeam (7) lower end is provided with spacing angle steel (17).
8. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: described framework (1) bottom is provided with liftable wheel hub (18).
9. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: all connected by bolt between each parts of described tunnel ditch cable channel formwork chassis.
10. tunnel ditch cable channel formwork chassis according to claim 1, is characterized in that: described suspension rod (8) is made up of screw-thread steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765217.1A CN104514570B (en) | 2014-12-12 | 2014-12-12 | Tunnel ditch cable trough form trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765217.1A CN104514570B (en) | 2014-12-12 | 2014-12-12 | Tunnel ditch cable trough form trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514570A true CN104514570A (en) | 2015-04-15 |
| CN104514570B CN104514570B (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410765217.1A Active CN104514570B (en) | 2014-12-12 | 2014-12-12 | Tunnel ditch cable trough form trolley |
Country Status (1)
| Country | Link |
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| CN (1) | CN104514570B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895582A (en) * | 2015-04-20 | 2015-09-09 | 中铁二十五局集团第一工程有限公司 | Overall template concrete building method for double-track tunnel ditch cable trough |
| CN105422139A (en) * | 2015-12-14 | 2016-03-23 | 黄高飞 | Tunnel ditch cable trough trolley |
| CN113062753A (en) * | 2021-04-08 | 2021-07-02 | 贵州路桥集团有限公司 | A slot lining cutting forming device for whole lining cutting platform truck of highway tunnel |
| CN113153368A (en) * | 2021-04-15 | 2021-07-23 | 中铁十七局集团第二工程有限公司 | Fixing device of curb ditch template in tunnel |
| CN114165259A (en) * | 2021-11-06 | 2022-03-11 | 中建八局第二建设有限公司 | Cable trough and side trough casting die device and method for tunnel |
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| CN103266900A (en) * | 2013-03-25 | 2013-08-28 | 中交路桥建设有限公司 | Integrated quick moving formwork for tunnel multi-longitudinal cable trough construction |
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| JPH02271204A (en) * | 1989-04-13 | 1990-11-06 | Toshiba Corp | Sample moving table |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895582A (en) * | 2015-04-20 | 2015-09-09 | 中铁二十五局集团第一工程有限公司 | Overall template concrete building method for double-track tunnel ditch cable trough |
| CN105422139A (en) * | 2015-12-14 | 2016-03-23 | 黄高飞 | Tunnel ditch cable trough trolley |
| CN113062753A (en) * | 2021-04-08 | 2021-07-02 | 贵州路桥集团有限公司 | A slot lining cutting forming device for whole lining cutting platform truck of highway tunnel |
| CN113062753B (en) * | 2021-04-08 | 2023-09-19 | 贵州路桥集团有限公司 | Groove lining forming device for highway tunnel integral lining trolley |
| CN113153368A (en) * | 2021-04-15 | 2021-07-23 | 中铁十七局集团第二工程有限公司 | Fixing device of curb ditch template in tunnel |
| CN114165259A (en) * | 2021-11-06 | 2022-03-11 | 中建八局第二建设有限公司 | Cable trough and side trough casting die device and method for tunnel |
| CN114165259B (en) * | 2021-11-06 | 2024-01-12 | 中建八局第二建设有限公司 | Cable trough and side trough casting mold device and method for tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104514570B (en) | 2017-01-25 |
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