CN106836662B - The concrete construction method of Curved Roof - Google Patents
The concrete construction method of Curved Roof Download PDFInfo
- Publication number
- CN106836662B CN106836662B CN201611090429.XA CN201611090429A CN106836662B CN 106836662 B CN106836662 B CN 106836662B CN 201611090429 A CN201611090429 A CN 201611090429A CN 106836662 B CN106836662 B CN 106836662B
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- steel form
- roofing
- concrete
- slide rail
- steel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The present invention provides a kind of concrete construction methods of Curved Roof, comprising the following steps: a, installation slide rail；B, group merges installation steel form；C, the radian of steel form is adjusted；D, the installation template mobile mechanism on steel form；E, plate vibrator is installed on assembled steel form；F, pattern movement mechanism is checked；G, roofing concrete is carried out after the completion of pattern movement mechanism pours work；H, after the completion of the region roofing where steel form pours, steel form is integrally hung to using tower crane by next casting area, step f and g is repeated and carries out concreting, until entire roofing pours completion；After the completion of roofing concrete pours, after concrete reaches some strength, steel form is removed.The present invention solves the problems, such as difficult forming present in Curved Roof concreting, bent roofing concrete plate construction quality and curve surface accuracy are improved, design thickness, concrete density of Curved Roof concrete etc. has been effectively ensured and has reached design requirement.
Description
Technical field
The present invention relates to a kind of construction method of roofing, specifically a kind of concrete construction side of Curved Roof
Method.
Background technique
In building engineering, in order to make building really become connection natural landscape and cultural characteristics, traditional culture with
One carrier of modern civilization reaches the natural effect of the unification of mountain stone, humane unification, has emerged in large numbers a large amount of Curved Roof.Mesh
Before, the concrete construction of Curved Roof is substantially are as follows: bracket is set up；Formwork；Beam, the binding of slab muscle；Lanyard bracing wire control
Pitched roof elevation；Casting concrete.But in concrete construction, the radian for pouring thickness and roofing of concrete
It is more difficult to control, cause the concrete slab construction of Curved Roof second-rate and bent surface accuracy is lower.
Summary of the invention
It is an object of the invention to provide a kind of concrete construction methods of Curved Roof, to solve existing curved shape
The lower problem of the second-rate and bent surface accuracy of concrete slab construction present in the construction method of the concrete on roof.
The object of the present invention is achieved like this: a kind of concrete construction method of Curved Roof, comprising the following steps:
A, slide rail is installed: uniformly popping up a plurality of put down along roofing radian direction on the roofing plank sheathing laid in advance
Capable track centerline is evenly arranged on every track centerline on roofing plank sheathing more along the direction of track centerline
A hold-down support, is equipped with the adjusting screw rod with its plane perpendicular on the hold-down support, and the adjusting screw rod passes through screw thread
It is fixedly connected at the top of the mode of connection and the hold-down support, is fixedly installed at the top of the adjusting screw rod for accommodating
The rail mounting groove of slide rail, places slide rail in rail mounting groove, and the upper surface of the slide rail is to be set as
Continuous broached-tooth design is installed when installing same slide rail from eaves mouth to the direction of ridge sequence, and slide rail passes through pin
Nail is fixedly connected with the side wall of rail mounting groove, and the slide rail radian of identical elevation location is identical, by adjusting the adjusting
Screw rod is screwed into depth on the hold-down support to adjust the thickness to casting concrete；
B, group merges installation steel form: making muti-piece punching block of different size according to the common modulus of each building roof
Then plate is combined collocation according to the area of roofing to be poured, passes through between every piece of steel form and adjacent steel form
Bolt is attached, and the good steel form of composite assembly is placed on slide rail so that steel form and roofing wooden model using tower crane
Plate is oppositely arranged；When placing the steel form that combination is completed, the long side of steel form is parallel with track centerline；
C, it adjusts the radian of steel form: intermediolateral column is fixedly mounted at the back side of every piece of steel form, and will be every using scaffold tubes
Intermediolateral column on block steel form is linked to be overall structure, is connected with and is used between every piece of steel form and intermediolateral column mounted thereto
The telescopic support adjusting rod for adjusting steel form radian, between support adjusting rod and steel form and support adjusting rod and intermediate
It is connected by pin rotation between column, the support adjusting rod is symmetrically distributed in the radial two sides of intermediolateral column；Adjust support
The length of adjusting rod is so that corresponding steel form checks punching block when adjusting the radian of steel form along the axis rotation of itself always
The distance between plate and roofing plank sheathing, to adjust roofing concrete molding radian and roofing concrete thickness to be poured at any time；
D, the installation template mobile mechanism on steel form: pattern movement mechanism includes driving shaft and driven shaft, in the master
Be cased on moving axis and the driven shaft with the same number of gear of the slide rail, the driving shaft and driven shaft are pacified respectively
The top and bottom end of the steel form of dress after assembling are equipped with the drive for driving the driving shaft rotation on the steel form
Gear is fixed on its institute by pin with after the engagement of corresponding slide rail by the gear on driving shaft and driven shaft by dynamic motor
Driving shaft or driven shaft on；
E, plate vibrator is installed on assembled steel form: according to the face of different concrete plate thickness and steel form assembly
Product chooses appropriate number of plate vibrator, and plate vibrator is arranged in assembled punching block in the form of multiple lines and multiple rows
The back side of plate；
F, it checks pattern movement mechanism: after installing plate vibrator, driving motor is debugged, by the steering tune of driving motor
It is whole to arrive the state in the same direction with steel form direction of travel；Driving motor is powered after the completion of turning to adjustment to driving motor to debug punching block
Walking of the plate on slide rail, it is ensured that steady walking of the steel form on slide rail；
G, roofing concrete is carried out after the completion of pattern movement mechanism pours work: when carrying out concreting to roofing
It pours from the bottom to top, plate vibrator is opened when pouring, driving motor is opened after concreting to certain altitude, make group
Steel loading template moves up, and adjusts concreting speed by controlling the movement speed of steel form；
H, after the completion of the region roofing where steel form pours, steel form is integrally hung to using tower crane by next pouring area
Domain repeats step f and checks steel form mobile mechanism, and repeats the concreting of step g from the bottom to top to roofing progress, until
Entire roofing pours completion；After the completion of roofing concrete pours, after concrete reaches some strength, steel form is removed, it will
Steel form is transported to next construction area and reuses.
In step a, the hold-down support uses rubber hold-down support, and the hold-down support is fixedly mounted on by steel nail
On roofing plank sheathing.
In step c, the connection structure of the intermediolateral column and steel form are as follows: the back side of every piece of steel form is provided with fixing card
Intermediolateral column is inserted into fixed card slot and intermediolateral column is fixedly mounted in the fixed card slot again by pin by slot.
In step c, symmetrically adjusted to intermediolateral column direction simultaneously when adjusting steel form radian from two sides.
It is connected between the driving motor and driving shaft by chain.
The gear on gear sideslip or driven shaft in step f, when the walking to steel form is debugged, on driving shaft
When sideslip, the verticality and driven shaft of driving shaft and slide rail and the verticality of slide rail are checked, by adjusting actively
The measure of the position or local directed complete set slide rail position of axis or driven shaft ensures engaging for gear and slide rail.
Present invention installation template mobile mechanism on steel form, and pass through the gear and slide rail on pattern movement mechanism
Engagement realize movement of the steel form on slide rail, simplify the concrete working device of Curved Roof, make curve room
The concreting process in face is easily controllable, improves the recycling rate of waterused of steel form, reduces the construction cost of concrete.
Intermediolateral column is fixedly mounted at the back side of every piece of steel form in the present invention, and is linked to be the intermediolateral column on every piece of steel form using scaffold tubes
Overall structure is connected with for adjusting the scalable of steel form radian between every piece of steel form and intermediolateral column mounted thereto
Support adjusting rod, by support adjusting rod realize steel form radian adjust, improve the surface accuracy of Curved Roof.
The present invention solves the problems, such as difficult forming present in Curved Roof concreting, improves bent roofing coagulation
Design thickness, the concrete density of Curved Roof concrete has been effectively ensured in native plate construction quality and curve surface accuracy
Etc. reaching design requirement.The shelving roofing concrete that mobile steel form can adapt to different radians simultaneously pours, with existing song
The advantages that construction method of linear roofing is compared, economical, economies and advance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the scaffold of Curved Roof of the invention.
Fig. 2 is the structural schematic diagram of steel form of the invention.
Fig. 3 is the connection structure diagram of slide rail and hold-down support of the invention.
Fig. 4 is the connection structure top view of slide rail and hold-down support of the invention.
Fig. 5 is the structural schematic diagram of slide rail of the invention.
In figure: 1, roofing plank sheathing；2, hold-down support；3, adjusting screw rod；4, slide rail；5, steel form；6, intermediolateral column；
7, support adjusting rod；8, scaffold tubes.
Specific embodiment
As shown in Fig. 1 ~ Fig. 5, a kind of concrete construction method of Curved Roof, comprising the following steps:
A, slide rail 4 is installed: uniformly being popped up on the roofing plank sheathing 1 laid in advance along roofing radian direction a plurality of
Parallel track centerline is uniformly arranged on every track centerline on roofing plank sheathing 1 along the direction of track centerline
There are multiple hold-down supports 2, hold-down support 2 uses rubber hold-down support 2, and hold-down support 2 is fixedly mounted on roofing by steel nail
On plank sheathing 1, be arranged in the hold-down support 2 on same track centerline between adjacent hold-down support 2 at a distance from for 1 meter.
Adjusting screw rod 3 with its plane perpendicular, the mode and fixation that adjusting screw rod 3 is connected through a screw thread are installed on hold-down support 2
The top of support 2 is fixedly connected, and is fixedly installed the rail mounting groove for accommodating slide rail 4 at the top of adjusting screw rod 3,
Slide rail 4 is placed in rail mounting groove, rail mounting groove is channel steel structure, i.e., the top of rail mounting groove and leads along sliding
The both ends of rail center line are disposed as being open.The upper surface of slide rail 4 is to be set as continuous broached-tooth design, slide rail 4
It is installed when installing same slide rail 4 from eaves mouth to the direction of ridge sequence, slide rail 4 passes through pin and track installation
The side wall of slot is fixedly connected, and 4 radian of slide rail of identical elevation location is identical, by adjusting adjusting screw rod 3 in hold-down support 2
On be screwed into depth to adjust the thickness to casting concrete.Axis intersection can be used when construction to measure slide rail
Positioning.
B, group merges installation steel form 5: making muti-piece punching block of different size according to the common modulus of each building roof
Then plate 5 is combined collocation according to the area of roofing to be poured, passes through spiral shell between every piece of steel form 5 and adjacent steel form 5
Bolt is attached, and the good steel form 5 of composite assembly is placed on slide rail 4 so that steel form 5 and roofing wood using tower crane
Template 1 is oppositely arranged；When placing the steel form 5 that combination is completed, the long side of steel form 5 is parallel with track centerline.It is making
The size that steel form can be adjusted when steel form according to the gradient of Curved Roof, wherein steel form can be increased in heavy grade roofing
Lateral length conversely, can reduce the longitudinal length of steel form, while adjusting the slump of concrete, has concrete good
Mobility.
C, it adjusts the radian of steel form 5: intermediolateral column 6 is fixedly mounted at the back side of every piece of steel form 5, and uses scaffold tubes 8
Intermediolateral column 6 on every piece of steel form 5 is linked to be overall structure, is connected between every piece of steel form 5 and intermediolateral column 6 mounted thereto
Be connected to it is several for adjusting the telescopic support adjusting rods 7 of 5 radian of steel form, between support adjusting rod 7 and steel form 5 and
It is connected by pin rotation between support adjusting rod 7 and intermediolateral column 6, the pin between connection support adjusting rod 7 and steel form 5
The outer surface of pin between nail and connection support adjusting rod 7 and intermediolateral column 6 is coated with lubricating oil.In the present embodiment,
The front of steel form is concreting face, and the back side of steel form is the back side in the concreting face of steel form, in steel form
The back side multiple ribs disposed in parallel are installed, the long side of ribs and steel form it is axial parallel.Support adjusting rod 7 is right
Claim the radial two sides for being distributed in intermediolateral column 6.In the present embodiment, the back side axial direction of every piece of steel form 5 is arranged in intermediolateral column 6
The middle part of side, support adjusting rod 7 are connect steel form 5 with intermediolateral column 6 along the both ends of curve radian and middle part respectively.It adjusts
The length of support adjusting rod 7 is so that corresponding steel form 5 is rotated along the axis of itself, always when adjusting the radian of steel form 5
Check the distance between steel form 5 and roofing plank sheathing 1, with adjust at any time roofing concrete form radian and roofing wait pouring it is mixed
Solidifying soil thickness is symmetrically adjusted to 6 direction of intermediolateral column when adjusting 5 radian of steel form from two sides simultaneously.Wherein, intermediolateral column 6 and steel
The connection structure of template 5 are as follows: the back side of every piece of steel form 5 is provided with fixed card slot, intermediolateral column 6 is inserted into fixed card slot and is led to
It crosses pin intermediolateral column 6 is fixedly mounted in fixed card slot again.Each support adjusting rod 7 includes first connect with steel form 5
The mutually close both ends of bar and the second strut connecting with intermediolateral column, the first strut and the second strut are provided with external screw thread, the
The external screw thread of one strut and the external screw thread of the second strut are oppositely oriented.Adjusting set is connected between the first strut and the second strut
Cylinder, the inner tube wall for adjusting sleeve are provided with the internal screw thread matched with the first strut and the second strut, pass through rotating regulating sleeve
The flexible of support adjusting rod 7 may be implemented.
D, the installation template mobile mechanism on steel form 5: pattern movement mechanism includes driving shaft and driven shaft, in driving shaft
The steel after assembling is separately mounted to the same number of gear of slide rail 4, driving shaft and driven shaft with being cased on driven shaft
The top and bottom end of template 5 are equipped with the driving motor for driving driving shaft to rotate, driving motor and master on steel form 5
It is connected between moving axis by chain.In the present embodiment, the axis for being used to support driving shaft rotation is installed at the top of steel form
Seat is held, the bearing block for being used to support driven shaft rotation is installed in the bottom of steel form.By the gear on driving shaft and driven shaft
With gear is fixed on by pin after the engagement of corresponding slide rail 4 on the driving shaft or driven shaft where it.
E, plate vibrator is installed on assembled steel form 5: assembled according to different concrete plate thickness and steel form 5
Area chooses appropriate number of plate vibrator, and plate vibrator is arranged in assembled steel in the form of multiple lines and multiple rows
The back side of template 5.Horizontally the spacing between plate vibrator and adjacent plate vibrator is 1 meter, in the longitudinal direction plate
Spacing between vibrator and adjacent plate vibrator is 1 meter.
F, it checks pattern movement mechanism: after installing plate vibrator, driving motor is debugged, by the steering tune of driving motor
It is whole to arrive the state in the same direction with 5 direction of travel of steel form；Driving motor is powered after the completion of turning to adjustment to driving motor to debug steel
Walking of the template 5 on slide rail 4, it is ensured that steady walking of the steel form 5 on slide rail 4；Steel form 5 is run smoothly
Afterwards, vibrator is opened, the steel form 5 that reruns moves up and down, it is ensured that during steel form 5 shakes again, remains to even running.?
When debugging to the walking of steel form 5, when gear sideslip on driving shaft or the gear sideslip on driven shaft, driving shaft is checked
With the verticality of the verticality and driven shaft of slide rail 4 and slide rail 4, by adjusting the position of driving shaft or driven shaft
Or the measure of 4 position of local directed complete set slide rail ensures engaging for gear and slide rail 4.
G, roofing concrete is carried out after the completion of pattern movement mechanism pours work: when carrying out concreting to roofing
It pours from the bottom to top, plate vibrator is opened when pouring, driving motor is opened after concreting to certain altitude, make group
Steel loading template 5 moves up, and adjusts concreting speed by controlling the movement speed of steel form 5.
H, after the completion of the region roofing where steel form 5 pours, 5 entirety of steel form is hung to by next pour using tower crane
Region repeats step f and checks 5 mobile mechanism of steel form, and repeats the concreting of step g from the bottom to top to roofing progress,
Until entire roofing pours completion；After the completion of roofing concrete pours, after concrete reaches some strength, steel form is removed
5, steel form 5 is transported to next construction area and is reused.
Next construction area carry out roofing concrete the installation that can successively carry out steel form when pouring by above-mentioned steps,
The adjustment of steel form radian and pouring for roofing concrete.The present invention is suitable for curved shape pitched roof, arc pitched roof and broken line
The concrete of shape pitched roof pours.
The present invention obtains good application effect in Ancient City of Ping Yao eco-tour cultural industry garden project.
Claims (6)
1. a kind of concrete construction method of Curved Roof, characterized in that the following steps are included:
A, slide rail is installed: uniformly being popped up on the roofing plank sheathing laid in advance along roofing radian direction a plurality of parallel
Track centerline is evenly arranged on every track centerline on roofing plank sheathing multiple solid along the direction of track centerline
Determine support, the adjusting screw rod with its plane perpendicular is installed on the hold-down support, the adjusting screw rod is connected through a screw thread
Mode and the hold-down support at the top of be fixedly connected, be fixedly installed at the top of the adjusting screw rod for accommodate sliding
The rail mounting groove of guide rail, places slide rail in rail mounting groove, and the upper surface of the slide rail is to be set as continuous
Broached-tooth design, when installing same slide rail from eaves mouth to the direction of ridge sequence install, slide rail by pin with
The side wall of rail mounting groove is fixedly connected, and the slide rail radian of identical elevation location is identical, by adjusting the adjusting screw rod
Depth is screwed on the hold-down support to adjust the thickness to casting concrete；
B, group merges installation steel form: making muti-piece steel form of different size according to the common modulus of each building roof, so
Collocation is combined according to the area of roofing to be poured afterwards, pass through between every piece of steel form and adjacent steel form bolt into
The good steel form of composite assembly, is placed on slide rail so that steel form is opposite with roofing plank sheathing by row connection using tower crane
Setting；When placing the steel form that combination is completed, the long side of steel form is parallel with track centerline；
C, it adjusts the radian of steel form: intermediolateral column is fixedly mounted at the back side of every piece of steel form, and uses scaffold tubes by every block of steel
Intermediolateral column in template is linked to be overall structure, is connected between every piece of steel form and intermediolateral column mounted thereto for adjusting
The telescopic support adjusting rod of steel form radian, between support adjusting rod and steel form and support adjusting rod and intermediolateral column it
Between connected by pin rotation, the support adjusting rod is symmetrically distributed in the radial two sides of intermediolateral column；Support is adjusted to adjust
The length of bar so that corresponding steel form is rotated along the axis of itself, checked always when adjusting the radian of steel form steel form with
The distance between roofing plank sheathing, to adjust roofing concrete molding radian and roofing concrete thickness to be poured at any time；
D, the installation template mobile mechanism on steel form: pattern movement mechanism includes driving shaft and driven shaft, in the driving shaft
Be cased on the driven shaft with the same number of gear of the slide rail, the driving shaft and driven shaft are separately mounted to
The top and bottom end of steel form after assembling are equipped with the driving electricity for driving the driving shaft rotation on the steel form
Gear is fixed on where it with after the engagement of corresponding slide rail by pin by machine by the gear on driving shaft and driven shaft
On driving shaft or driven shaft；
E, plate vibrator is installed on assembled steel form: is selected according to different concrete plate thickness and the area of steel form assembly
Appropriate number of plate vibrator is taken, and plate vibrator is arranged in the back of assembled steel form in the form of multiple lines and multiple rows
Face；
F, it checks pattern movement mechanism: after installing plate vibrator, debugging driving motor, the steering of driving motor is adjusted to
The state in the same direction with steel form direction of travel；Driving motor is existed after the completion of turning to adjustment to driving motor energization with debugging steel form
Walking on slide rail, it is ensured that steady walking of the steel form on slide rail；
G, roofing concrete is carried out after the completion of pattern movement mechanism pours work: when carrying out concreting to roofing under
It is supreme to pour, plate vibrator is opened when pouring, driving motor is opened after concreting to certain altitude, makes a group steel loading
Template moves up, and adjusts concreting speed by controlling the movement speed of steel form；
H, after the completion of the region roofing where steel form pours, steel form is integrally hung to using tower crane by next casting area,
It repeats step f and checks pattern movement mechanism, and repeat the concreting of step g from the bottom to top to roofing progress, until entire
Roofing pours completion；After the completion of roofing concrete pours, after concrete reaches some strength, steel form is removed, by punching block
Plate is transported to next construction area and reuses.
2. the concrete construction method of Curved Roof according to claim 1, characterized in that in step a, the fixation
Support uses rubber hold-down support, and the hold-down support is fixedly mounted on roofing plank sheathing by steel nail.
3. the concrete construction method of Curved Roof according to claim 1, characterized in that in step c, the centre
The connection structure of column and steel form are as follows: the back side of every piece of steel form is provided with fixed card slot, intermediolateral column is inserted into fixed card slot
And intermediolateral column is fixedly mounted in the fixed card slot by pin.
4. the concrete construction method of Curved Roof according to claim 1, characterized in that in step c, adjusting steel
It is symmetrically adjusted to intermediolateral column direction simultaneously when template radian from two sides.
5. the concrete construction method of Curved Roof according to claim 1, characterized in that the driving motor and master
It is connected between moving axis by chain.
6. the concrete construction method of Curved Roof according to claim 1, characterized in that in step f, to punching block
When the walking of plate is debugged, when gear sideslip on driving shaft or the gear sideslip on driven shaft, driving shaft and sliding are checked
The verticality and driven shaft of guide rail and the verticality of slide rail, by adjusting the position or part of driving shaft or driven shaft
The measure of adjustment slide rail position ensures engaging for gear and slide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611090429.XA CN106836662B (en) | 2016-12-01 | 2016-12-01 | The concrete construction method of Curved Roof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090429.XA CN106836662B (en) | 2016-12-01 | 2016-12-01 | The concrete construction method of Curved Roof |
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| CN106836662B true CN106836662B (en) | 2019-01-29 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700829A (en) * | 2017-09-26 | 2018-02-16 | 中建局集团建设发展有限公司 | Pulley suspension large form realizes the constructing device that the huge post of wide-angle inclined in two-way is tiltedly climbed |
| CN111878098B (en) * | 2020-07-31 | 2022-10-04 | 中交隧道工程局有限公司 | Concrete pouring device and method for shield starting base |
| CN113914626B (en) * | 2021-09-29 | 2022-12-23 | 临沂市政集团有限公司 | Municipal works are with cast-in-place concrete template vibrating device |
| CN113957757B (en) * | 2021-11-16 | 2024-07-16 | 中国二十冶集团有限公司 | Rail bolt positioning device and rail bolt construction method |
| CN114033107B (en) * | 2021-12-15 | 2023-04-18 | 山西五建集团有限公司 | Slope roof concrete pouring method |
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| JP2000274073A (en) * | 1999-03-26 | 2000-10-03 | Kaneso Co Ltd | Cutting die body holding device for drain |
| CN202401755U (en) * | 2011-11-21 | 2012-08-29 | 中冶天工集团有限公司 | Curvature-adjustable concrete construction steel mould |
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| CN106836662A (en) | 2017-06-13 |
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