CN114960369A - Sand-free large-hole concrete shoulder sliding formwork device - Google Patents
Sand-free large-hole concrete shoulder sliding formwork device Download PDFInfo
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- CN114960369A CN114960369A CN202210729737.1A CN202210729737A CN114960369A CN 114960369 A CN114960369 A CN 114960369A CN 202210729737 A CN202210729737 A CN 202210729737A CN 114960369 A CN114960369 A CN 114960369A
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- road shoulder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4886—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ for forming in a continuous operation kerbs, gutters, berms, safety kerbs, median barriers or like structures in situ, e.g. by slip-forming, by extrusion
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/50—Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
- E01C19/502—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes
- E01C19/506—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes for kerbs, gutters or similar structures, e.g. raised portions, median barriers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a slip form device for a sand-free macroporous concrete road shoulder, in particular to the technical field of road shoulder sand-free macroporous concrete construction, cement concrete is molded under the action of a slip form molding plate, and a lengthened side plate is installed, so that the road shoulder sand-free macroporous concrete is not easy to collapse, and the vertical surface of the molded cement concrete is vertical and continuous in line shape, the vertical surface of the road shoulder is good in line shape, the smoothness of the slope surface is higher, the gradient meets the construction requirement, the material is uniformly distributed, the strength meets the construction requirement, the number of workers involved in construction is small, the construction efficiency is high, and the construction cost is reduced; the mould link plate passes through connecting bolt with concrete sliding mould paver and fixes, and when no sand macropore concrete carried to the two-thirds of hopper down, the vibrating spear work through the setting of material baffle for no sand macropore concrete can not be to the excessive material that leaks of front end, and the extrusion behind the mould rear is guaranteed to all materials through vibrating, ensures no sand macropore concrete compactness, and reduces the waste material production among the construction operation process.
Description
Technical Field
The invention relates to the technical field of road shoulder sand-free macroporous concrete construction, in particular to a slipform device for a sand-free macroporous concrete road shoulder.
Background
The shoulder refers to a strip part which is positioned from the outer edge of a roadway to the edge of a roadbed and has a certain width, and the original construction of the sand-free macroporous concrete of the shoulder is implemented by manually assembling a vertical face template, distributing, leveling and slope repairing by an excavator and manually tamping the top surface and the slope surface of the shoulder by a manual flat plate compactor.
The existing defects are as follows: the vertical surface is poor in line type, the slope surface is poor in flatness, and the gradient is difficult to meet the requirements; the material distribution is uneven, the segregation of coarse and fine materials on the surface is serious, and the strength is difficult to meet the requirement; the construction method has the advantages of more workers, potential safety hazards, slow progress and high cost.
Disclosure of Invention
The invention aims to provide a non-sand large-hole concrete road shoulder slip film device to solve the problems mentioned in the background technology.
The invention can be realized by the following technical scheme: the utility model provides a no sand macropore concrete road shoulder synovial membrane device, includes hopper down, the front side bottom fixed surface of hopper is provided with the protrusion board down, and the bottom surface fixedly connected with striker plate of hopper down, the bottom one side of hopper is located the top of protrusion board down and installs the transition mount pad, the equal fixedly connected with extension plate in surface of transition mount pad and protrusion board, the top of transition mount pad is provided with fixed reinforced plate, and the below of transition mount pad is provided with the synovial membrane profiled sheeting.
The invention has further technical improvements that: the extension plate comprises an extension top plate fixedly connected with the surface of the transition mounting seat and an extension side plate fixedly connected with the surface of the protruding plate, the front side face of the extension side plate is fixedly provided with an extension reinforcing channel steel, and the top face of the extension reinforcing channel steel is provided with a fixing pull rod.
The invention has further technical improvements that: the fixed reinforcing plate comprises three main supporting plates and a mould hanging plate fixedly connected with the top surfaces of the three main supporting plates, the end surface of the fixed pull rod is fixed to one side surface of one main supporting plate, the inner side surfaces of the tops of the three main supporting plates are respectively and fixedly provided with an L-shaped reinforcing angle steel and a side reinforcing channel steel, two supporting rods are arranged below the L-shaped reinforcing angle steel and the side reinforcing channel steel, the supporting rods penetrate through the interiors of the two main supporting plates and are fixed to the outer surface of a blanking hopper, and the other end of each supporting rod is fixed to the other side surface of one main supporting plate.
The invention has further technical improvements that: the synovial membrane shaping board includes shaping slope panel, the top surface fixedly connected with shaping roof of shaping slope panel, and the bottom surface fixedly connected with shaping outside sideboard of shaping slope panel, the surperficial one side fixedly connected with shaping riser of shaping roof.
The invention has further technical improvements that: the mould hanging plate and the concrete sliding mould paver are fixed through a connecting bolt.
The invention has further technical improvements that: the striker plate comprises a material baffle, and the material baffle is fixedly arranged on one side of the bottom surface edge of the discharging hopper.
The invention has further technical improvements that: the surface of extension roof is equipped with the location screw, and the top of extension roof is provided with the attached vibrator, the mount pad of attached vibrator bottom is equipped with the hole groove that uses with the cooperation of location screw, installs locking bolt in hole groove and the location screw.
The invention has further technical improvements that: two vibrating spear suspension plates are installed on the inner wall of the discharging hopper, and the vibrating spear suspension plates are connected with a vibrating spear of the concrete slide mould paver.
The invention has further technical improvements that: the outer surface of the lower hopper is provided with a vertically arranged hopper reinforcing rib plate in a fitting manner, a hopper reinforcing channel steel is arranged on the surface of one side of the lower hopper, and the hopper reinforcing rib plate is positioned at the top of the protruding plate.
The invention also provides a using method of the non-sand large-hole concrete road shoulder sliding film device, which comprises the following specific steps:
fixing the mould hanging plate with a cement concrete slip form paver, installing an attached vibrator at a positioning screw hole on the surface of an extended top plate, and confirming that the direction of a material baffle is the advancing direction of slip form paving construction;
step two, fixedly mounting a vibrating rod connected with the cement concrete slip form paver in the blanking hopper through a vibrating rod suspension plate in the blanking hopper;
feeding the concrete slip form paver by a small excavator, conveying the sand-free macroporous concrete into a blanking hopper by the concrete slip form paver through a self conveying device, conveying the sand-free macroporous concrete to two thirds of the blanking hopper, and starting a vibrating rod;
and step four, when the materials are conveyed to the position of the extended top plate, the attached vibrator is started, and the road shoulder sand-free macroporous concrete is continuously and uniformly conveyed and paved.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, cement concrete is formed under the action of the sliding formwork forming plate, the extending side plate is installed, so that the molding of the road shoulder sand-free macroporous concrete is not easy to collapse, the vertical surface is linear, vertical and continuous after molding, the vertical surface of the road shoulder is linear, the slope surface is high in flatness, the slope meets the construction requirement, the material is uniformly distributed, the surface coarse and fine materials are uniform, the strength meets the construction requirement, fewer construction workers are invested, the potential safety hazard is reduced, the construction efficiency is high, and the construction cost is reduced;
2. according to the invention, the mould hanging plate and the concrete sliding mould paver are fixed through the connecting bolt, when the sand-free macroporous concrete is conveyed to two thirds of the blanking hopper, the vibrating rod works, through the arrangement of the material baffle plate, the sand-free macroporous concrete can not overflow and leak materials to the front end, all materials are extruded to the rear of the mould after being vibrated, the compaction degree of the sand-free macroporous concrete is ensured, and the generation of waste materials in the construction operation process is reduced;
3. according to the invention, the arrangement of the L-shaped reinforcing angle steel, the side reinforcing channel steel and the two support rods increases the stability of the device in a high-frequency vibration process, the vibration influence is small, and the arrangement of the hopper reinforcing rib plate and the hopper reinforcing channel steel increases the stability of the discharging hopper.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view showing the structural connection of the slip film forming plate of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a rear view of the present invention;
fig. 5 is a top view of the present invention.
In the figure: 1. a slip film forming plate; 2. feeding a hopper; 3. extending the top plate; 4. extending the side plates; 5. prolonging the reinforced channel steel; 6. fixing a pull rod; 7. forming a slope panel; 8. forming an outer side plate; 9. a material baffle; 10. a hopper reinforcing rib plate; 11. a main body support plate; 12. l-shaped reinforcing angle steel; 13. reinforcing channel steel at the side edge; 14. a support bar; 15. hanging a plate on the mold; 16. forming a top plate; 17. forming a vertical plate; 18. reinforcing channel steel by a hopper; 19. a vibrating rod suspension plate; 20. a protruding plate; 21. a transition mounting seat; 22. an attached vibrator.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, the invention provides a sliding film device for a sand-free large-hole concrete shoulder, which comprises a sliding film forming plate 1, a blanking hopper 2, an extension plate, a fixed reinforcing plate and a striker plate, wherein a protruding plate 20 is fixedly arranged on the bottom surface of the front side of the blanking hopper 2, the bottom surface of the blanking hopper 2 is fixedly connected with the striker plate, a transition mounting seat 21 is arranged on one side of the bottom of the blanking hopper 2 and positioned at the top of the protruding plate 20, the surfaces of the transition mounting seat 21 and the protruding plate 20 are fixedly connected with the extension plate, and the fixed reinforcing plate is positioned above the sliding film forming plate 1 and the transition mounting seat 21.
The extension plate comprises an extension top plate 3 fixedly connected with the surface of the transition mounting seat 21 and an extension side plate 4 fixedly connected with the surface of the protruding plate 20, the front side face of the extension side plate 4 is fixedly provided with an extension reinforcing channel steel 5, and the top face of the extension reinforcing channel steel 5 is provided with a fixing pull rod 6.
Fixed reinforcing plate includes three main part backup pads 11, the top surface fixedly connected with mould link plate 15 of three main part backup pads 11, the terminal surface of fixed pull rod 6 and one side fixed surface of one of them main part backup pad 11, the inside surface difference fixed mounting in top of three main part backup pads 11 has the L type to strengthen angle steel 12 and side and strengthens channel-section steel 13, the below that channel-section steel 13 was strengthened to angle steel 12 and side is provided with two bracing pieces 14 is strengthened to the L type, bracing piece 14 pass two main part backup pads 11 the inside and with the external fixed surface of hopper 2 down, the other end of bracing piece 14 and the opposite side fixed surface of one of them main part backup pad 11.
In the fixed reinforcing plate, the arrangement of the L-shaped reinforcing angle steel 12, the side reinforcing channel steel 13 and the two supporting rods 14 increases the stability of the device in the high-frequency vibration process, and the vibration influence is small.
The mould hanging plate 15 and the concrete slide mould paver are fixed through a connecting bolt.
In the operation and construction process, a small excavator feeds materials to the concrete slip form paver, the concrete slip form paver conveys the sand-free macroporous concrete into the blanking hopper 2 through the conveying device, the sand-free macroporous concrete is conveyed to two thirds of the blanking hopper 2, the vibrating rod is started, the slump of the sand-free macroporous concrete is 0-2, the frequency of the vibrating rod is 1000Hz-2000Hz, and the frequency of the vibrating rod is adjusted according to the concrete slump of a construction site.
The synovial membrane shaping board 1 includes shaping slope panel 7, and the top surface fixedly connected with shaping roof 16 of shaping slope panel 7, and the bottom surface fixedly connected with shaping outside sideboard 8 of shaping slope panel 7, the surperficial one side fixedly connected with shaping riser 17 of shaping roof 16, shaping riser 17, shaping slope panel 7 and shaping outside sideboard 8 set up to the integral type structure.
By installing the extension side plate 4, the molding of the sand-free macroporous concrete on the road shoulder is not easy to collapse, and the vertical surface is linear, vertical and continuous after molding.
The striker plate includes material baffle 9, and material baffle 9 fixed mounting is in the bottom surface edge one side of hopper 2 down.
Through installing material baffle 9 additional in hopper 2 bottom surface down for no sand macroporous concrete can not be to the excessive hourglass material of front end, and guarantee all materials extrude behind the mould after vibrating, ensure no sand macroporous concrete compactness, and reduce the waste material production in the construction operation process.
The surface of extension roof 3 is equipped with the location screw, and the top of extension roof 3 is provided with attached vibrator 22, and the mount pad of attached vibrator 22 bottom is equipped with the hole groove that uses with the cooperation of location screw, installs locking bolt in hole groove and the location screw.
Through the fixation of the mould hanging plate 15 and the cement concrete slide mould paver, the direction of the material baffle plate 9 is confirmed to be the construction direction, the attached vibrator 22 is placed at a positioning screw hole at the middle position of the extension top plate 3, a hole groove of an installation seat at the bottom of the attached vibrator 22 is vertically collinear with the positioning screw hole, then a locking bolt is embedded into the hole groove and the positioning screw hole, the installation of the attached vibrator 22 and the extension top plate 3 is realized, the slip form construction starts, when the material is conveyed to the position of the extension top plate 3, the attached vibrator 22 is started, the frequency and the speed of the vibrating rod and the attached vibrator 22 are adjusted according to the slump of the concrete in the construction process, the road shoulder sand-free macroporous concrete is continuously and uniformly conveyed and paved, the cement concrete is molded under the action of the slip form plate 1, the vertical surface line type of the road shoulder is good, and the slope surface evenness is higher, and the slope can satisfy the construction requirement, and the cloth is even, and the surperficial coarse and fine material is even, and intensity satisfies the construction requirement, and the input construction operation personnel are few, reduce potential safety hazard, the efficiency of construction is high, reduces construction cost simultaneously.
Two vibrating spear suspension plates 19 are installed on the inner wall of the discharging hopper 2, and the vibrating spear suspension plates 19 are connected with a vibrating spear of the concrete slide mould paver.
A vibrating rod connected with the cement concrete slide die paver is fixedly arranged inside the lower hopper 2 through a vibrating rod suspension plate 19 in the lower hopper 2.
The outer surface of the lower hopper 2 is provided with a vertically arranged hopper reinforcing rib plate 10 in a fitting manner, one side surface of the lower hopper 2 is provided with a hopper reinforcing channel steel 18, and the hopper reinforcing rib plate 10 is positioned at the top of the protruding plate 20.
The hopper reinforcing rib plate 10 and the hopper reinforcing channel steel 18 are arranged, so that the stability of the lower hopper 2 is improved.
After the construction operation is finished, when the sand-free large-hole concrete mould needs to be cleaned, the mould is placed on the sleeper stably, the connecting bolt and the fastening bolt are dismounted, the connection between the mould and the attached vibrator 22 and the concrete slip-form paver is released, and the connecting bolt is dismounted before the mould is placed stably, so that the mould is prevented from being toppled and damaged and being injured and killed.
The invention also provides a using method of the non-sand large-hole concrete road shoulder sliding film device, which comprises the following specific steps:
step one, fixing the mould hanging plate 15 and the cement concrete slip form paver, installing an attached vibrator 22 at a positioning screw hole on the surface of the extension top plate 3, and confirming that the direction of the material baffle plate 9 is the advancing direction of slip form paving construction;
step two, fixedly mounting a vibrating rod connected with the cement concrete slip form paver in the lower hopper 2 through a vibrating rod suspension plate 19 in the lower hopper 2;
feeding the concrete slip form paver by a small excavator, conveying the sand-free macroporous concrete into the blanking hopper 2 by the concrete slip form paver through a self-conveying device, conveying the sand-free macroporous concrete to two thirds of the blanking hopper 2, and starting a vibrating rod;
and step four, when the materials are conveyed to the position of the extension top plate 3, the attached vibrator 22 is started, and the road shoulder sand-free macroporous concrete is continuously and uniformly conveyed and paved.
When the invention is used, the mould hanging plate 15 and the concrete sliding mould paver are fixed through the connecting bolt, when the sand-free macroporous concrete is conveyed to two thirds of the blanking hopper 2, the vibrating rod works, and through the arrangement of the material baffle plate 9, the sand-free macroporous concrete can not overflow and leak materials to the front end, all materials are extruded to the rear of the mould after being vibrated, the compaction degree of the sand-free macroporous concrete is ensured, and the generation of waste materials in the construction operation process is reduced;
the cement concrete is formed under the action of the sliding formwork forming plate 1, the extended side plate 4 is installed, so that the road shoulder sand-free macroporous concrete is formed and is not easy to collapse, the vertical surface is linear, vertical and continuous after forming, the vertical surface of the road shoulder is linear, the slope surface is high in flatness, the slope meets the construction requirement, the material is uniformly distributed, the surface coarse and fine materials are uniform, the strength meets the construction requirement, fewer construction workers are invested, the potential safety hazard is reduced, the construction efficiency is high, and the construction cost is reduced;
the arrangement of the L-shaped reinforcing angle steel 12, the side reinforcing channel steel 13 and the two supporting rods 14 increases the stability of the device in a high-frequency vibration process, the vibration influence is small, and the arrangement of the hopper reinforcing rib plate 10 and the hopper reinforcing channel steel 18 increases the stability of the lower hopper 2.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a no sand macropore concrete road shoulder synovial membrane device which characterized in that: including hopper (2) down, the front side bottom fixed surface of hopper (2) is provided with protrusion board (20) down, and the bottom surface fixedly connected with striker plate of hopper (2) down, the equal fixedly connected with extension plate in surface of transition mount pad (21) and protrusion board (20) is installed at bottom one side of hopper (2) down and the top that is located protrusion board (20), the top of transition mount pad (21) is provided with fixed reinforced plate, and the below of transition mount pad (21) is provided with synovial membrane profiled sheeting (1).
2. The sand-free large-hole concrete road shoulder slip film device as claimed in claim 1, wherein the extension plate comprises an extension top plate (3) fixedly connected with the surface of the transition mounting seat (21) and an extension side plate (4) fixedly connected with the surface of the protruding plate (20), the front side surface of the extension side plate (4) is fixedly provided with an extension reinforcing steel channel (5), and the top surface of the extension reinforcing steel channel (5) is provided with a fixing pull rod (6).
3. The sand-free macroporous concrete shoulder synovial membrane device of claim 2, the fixed reinforcing plate comprises three main supporting plates (11), the top surfaces of the three main supporting plates (11) are fixedly connected with a mould hanging plate (15), the end face of the fixed pull rod (6) is fixed with one side surface of one main body supporting plate (11), the inner side surfaces of the tops of the three main body supporting plates (11) are respectively and fixedly provided with an L-shaped reinforcing angle steel (12) and a side reinforcing channel steel (13), two support rods (14) are arranged below the L-shaped reinforcing angle steel (12) and the side reinforcing channel steel (13), the supporting rod (14) passes through the inner parts of the two main body supporting plates (11) and is fixed with the outer surface of the blanking hopper (2), the other end of the supporting rod (14) is fixed with the other side surface of one of the main body supporting plates (11).
4. The slipfilm device according to claim 1, wherein the slipfilm forming plate (1) comprises a forming slope panel (7), the top surface of the forming slope panel (7) is fixedly connected with a forming top plate (16), the bottom surface of the forming slope panel (7) is fixedly connected with a forming outer side edge plate (8), and one side of the surface of the forming top plate (16) is fixedly connected with a forming vertical plate (17).
5. The device for spreading the formwork on the road shoulder without the sand holes in the large hole as claimed in claim 3, wherein the mould hanging plate (15) is fixed with the concrete slip-form paver by a connecting bolt.
6. The sand-free large-hole concrete road shoulder slip film device according to claim 1, wherein the material baffle plate comprises a material baffle plate (9), and the material baffle plate (9) is fixedly arranged on one side of the bottom surface edge of the blanking hopper (2).
7. The sand-free macroporous concrete road shoulder slip film device according to claim 2, wherein the surface of the extension top plate (3) is provided with a positioning screw hole, the attachment vibrator (22) is arranged above the extension top plate (3), a mounting seat at the bottom of the attachment vibrator (22) is provided with a hole groove used in cooperation with the positioning screw hole, and locking bolts are arranged in the hole groove and the positioning screw hole.
8. The sand-free large-hole concrete road shoulder slip film device according to claim 1, wherein two vibrating rod suspension plates (19) are mounted on the inner wall of the blanking hopper (2), and the vibrating rod suspension plates (19) are connected with a vibrating rod of the concrete slip film paver.
9. The sand-free macroporous concrete road shoulder slip film device according to claim 1, wherein a vertically arranged hopper reinforcing rib plate (10) is attached to the outer surface of the lower hopper (2), a hopper reinforcing channel steel (18) is arranged on one side surface of the lower hopper (2), and the hopper reinforcing rib plate (10) is positioned at the top of the protruding plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210729737.1A CN114960369A (en) | 2022-06-24 | 2022-06-24 | Sand-free large-hole concrete shoulder sliding formwork device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210729737.1A CN114960369A (en) | 2022-06-24 | 2022-06-24 | Sand-free large-hole concrete shoulder sliding formwork device |
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| Publication Number | Publication Date |
|---|---|
| CN114960369A true CN114960369A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210729737.1A Pending CN114960369A (en) | 2022-06-24 | 2022-06-24 | Sand-free large-hole concrete shoulder sliding formwork device |
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| CN (1) | CN114960369A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536335A (en) * | 2022-09-27 | 2022-12-30 | 保利长大工程有限公司 | Porous concrete for road shoulder slip form construction and mix proportion design method thereof |
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| US7377719B1 (en) * | 2005-04-18 | 2008-05-27 | Northern Nevada Concrete, Inc. | Curb and gutter sled with pivoting mold assembly |
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2022
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| US7377719B1 (en) * | 2005-04-18 | 2008-05-27 | Northern Nevada Concrete, Inc. | Curb and gutter sled with pivoting mold assembly |
| CN101270564A (en) * | 2008-04-28 | 2008-09-24 | 江苏四明工程机械有限公司 | Operation mechanism of self-propelled multifunctional border stone slip form machine |
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| CN115536335A (en) * | 2022-09-27 | 2022-12-30 | 保利长大工程有限公司 | Porous concrete for road shoulder slip form construction and mix proportion design method thereof |
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