CN114032745B - Concrete template reinforcing tool for curb backrest and construction method - Google Patents
Concrete template reinforcing tool for curb backrest and construction method Download PDFInfo
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- CN114032745B CN114032745B CN202111570141.3A CN202111570141A CN114032745B CN 114032745 B CN114032745 B CN 114032745B CN 202111570141 A CN202111570141 A CN 202111570141A CN 114032745 B CN114032745 B CN 114032745B
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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
- E01C19/504—Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes adapted to, or provided with, means to maintain reinforcing or load transfer elements in a required position
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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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Abstract
The invention relates to a concrete template reinforcing tool for a road edge stone backrest and a construction method, wherein the concrete template reinforcing tool for the road edge stone backrest comprises a vertical positioning piece and a horizontal positioning piece, wherein the vertical positioning piece is positioned at one side of the road edge stone, the horizontal positioning piece spans the road edge stone, the vertical positioning piece is fixedly connected with the horizontal positioning piece, a movable vertical leg capable of being locked and positioned is sleeved on the horizontal positioning piece in a sliding manner, the movable vertical leg is positioned at the other side of the road edge stone, a template clamp is sleeved on the movable vertical leg in a sliding manner, and the template clamp is used for locking and positioning a template which is positioned at the other side of the road edge stone and is parallel to the road edge stone; the invention solves the problem that the prior road edge stone backrest template has no normal reinforcement tool, realizes the stable reinforcement of the template, further solves the problem that concrete overflows due to the expansion of the lower end of the template, simultaneously avoids the problem that the concrete flows into a green belt to pollute soil, improves the construction quality and efficiency, realizes the one-time pouring and forming to meet the design requirement, does not need post-trimming, and saves manpower and material resources.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a concrete template reinforcing tool for a road edge stone backrest and a construction method.
Background
Curbstones are standard stones between pavement and other structures, such as green belts of urban roads and pavement, and between sidewalks and pavement.
The concrete backrest is required to be poured on one side of the road edge stone away from the road after the construction of the road edge stone is finished, so that the stability and firmness of the road edge stone are ensured, the dimension of the backrest of the road edge stone is required to meet the drawing requirements, and the concrete backrest is required to be poured after being positioned by a template in order to meet the design requirements.
The prior traditional construction method is that in the concrete pouring process, the upper end of a template is simply buckled, the lower end of the template is reinforced by steel bars in an embedded mode, the fixing mode is unstable, concrete overflows due to the fact that the lower end of the template expands, even the template can flow into a green belt, soil in the green belt is polluted, the problem that the size does not meet the drawing requirements can occur, appearance impression is poor, and a large amount of manpower and material resources are consumed in the later work of repairing the backrest, cleaning outflow concrete and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides the concrete template reinforcing tool for the road edge stone backrest and the construction method, which overcome the problem that the conventional road edge stone backrest template is not provided with a normal reinforcing tool, realize stable reinforcement of the template, further solve the problem that concrete overflows due to the expansion of the lower end of the template, simultaneously avoid the problem that concrete flows into a green belt to pollute soil, improve the construction quality and efficiency, realize that one-time casting molding meets the design requirement, avoid later trimming, and save manpower and material resources.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a be used for curbstone back concrete form reinforcement tool, follow template reinforcement tool for short, including being used for being located the vertical setting element of curbstone one side and striding over the horizontal setting element of curbstone, vertical setting element with horizontal setting element fixed connection, but sliding sleeve has locked the activity riser of location on the horizontal setting element, the activity riser is used for being located the opposite side of curbstone, sliding sleeve has cup jointed the template clamp on the activity riser, the template clamp is used for locking the location to the template that is located the opposite side of curbstone and is parallel with the curbstone.
By adopting the technical scheme, the vertical positioning piece, the horizontal positioning piece and the movable vertical leg form a door-shaped bracket, the vertical positioning piece and the horizontal positioning piece are used for positioning, the movable vertical leg is sleeved on the horizontal positioning piece and can move along the horizontal positioning piece, when reaching a preset position, the movable vertical leg is locked, the template clamp can move up and down along the movable vertical leg, and when reaching the preset position, the movable vertical leg is locked; the scheme realizes the firm clamping of the template, improves the construction quality and the construction efficiency, solves the problem that the concrete overflows due to the expansion of the lower end of the template, simultaneously avoids the problem that the concrete flows into a green belt to pollute soil, realizes the one-time pouring molding, meets the design requirement, does not need later trimming, saves manpower and material resources, and in addition, the adjustability of the movable vertical legs realizes the positioning and reinforcing requirements of templates meeting the curbstone with different thickness, and the adjustability of the template clamps realizes the positioning and reinforcing requirements of templates meeting the curbstone with different heights; the adjustable and locking of the movable vertical leg and the template clamp can be realized by directly sleeving a screw for compression or combining a T-shaped groove with a T-shaped screw for compression and the like.
Preferably, the upper part of the movable vertical leg is in sliding sleeve connection with the horizontal positioning piece, and the first locking piece capable of locking the movable vertical leg and the horizontal positioning piece is connected to the upper end of the movable vertical leg in the vertical direction.
Through adopting this technical scheme, realized the regulation of movable vertical leg along the horizontal direction of horizontal locating piece to satisfy the location reinforcement needs of the template of different thickness curbstone, this scheme simple structure, convenient operation.
Preferably, the lower end of the first locking member is provided with a curved spacer first with a high middle and a low periphery.
Through adopting this technical scheme, when the retaining member is screwed, the first bending gasket is pressed and is warp, cause bending gasket one and the area of contact grow of the upper surface of horizontal locating piece, and then increase bending gasket one and the frictional force of the upper surface of horizontal locating piece, the elasticity of a reaction is given to the retaining member to bending gasket one simultaneously, the locking function of retaining member has been reached, the effect that the locking of movable stand leg is more firm has been realized, when curbstone back pouring concrete, can not change the position because of the exogenic action, the purpose that the one shot forming of curbstone back reached the design requirement has been realized, construction quality has been guaranteed.
Preferably, a clamping part for clamping the template is arranged on one side, close to the vertical positioning piece, of the template clamp, and a locking piece II capable of locking the template clamp and the movable vertical leg is arranged on one side, far away from the vertical positioning piece, of the template clamp.
Through adopting this technical scheme, realized the regulation of the vertical direction of template clamp along activity riser to satisfy the location reinforcement needs of the template of different high curbstone, this scheme simple structure, convenient operation.
Preferably, the lower end of the second locking member is provided with a second bending gasket with a high middle and a low periphery.
Through adopting this technical scheme, when retaining member II screws, crooked gasket II is pressed the deformation, cause crooked gasket II and the area of contact grow of activity riser, and then increase the frictional force between crooked gasket II and the activity riser, crooked gasket II gives retaining member two reaction's elasticity simultaneously, the locking function of retaining member II has been reached, the effect that template clamp and template locking are more firm has been realized, no gap has been guaranteed simultaneously between template bottom and the road sideform, when the concrete is pour to the curbstone back, can not change the position because of the exogenic action, the problem that the template lower extreme rises the mould and appear the concrete is excessive has been solved, the problem that the concrete inflow greenbelt polluted soil has been avoided simultaneously.
Preferably, a detachable limit is arranged on one end, far away from the vertical locating piece, of the horizontal locating piece.
By adopting the technical scheme, the function of limiting the movable vertical leg is realized, so that the possibility that the movable vertical leg is separated from the horizontal positioning piece is avoided.
Preferably, scale marks are arranged below the vertical face of the horizontal positioning piece along the length direction, and one side of the movable vertical leg, on which the template is mounted, is provided with a scale mark pointer which can stretch and retract along the length direction of the horizontal positioning piece.
Through adopting this technical scheme, the scale mark pointer sets up to adjustable because the thickness of template is different, and the scale mark pointer is adjusted according to the thickness of template, makes scale mark pointer and template inboard be located same vertical plane to realize that scale mark pointer indicates the scale that the template is inside indicates promptly, realized accurate and convenient definite template position, improved the efficiency of construction, guaranteed construction quality.
Preferably, the bottom end of the vertical positioning member is spherical.
Through adopting this technical scheme, realize the bottom and the road point contact of vertical setting element, avoided leading to template reinforcing apparatus unstable because of the unevenness of road structure, still reduced the potential safety hazard that construction workman was injured by template reinforcing apparatus simultaneously.
A construction method for a curb backrest concrete form reinforcing tool comprises the following steps:
s1: paving a water stable upper base layer of a road structure;
s2: cement mortar cushion layer construction with preset thickness and width is carried out on the road side mould;
s3: the road edge stone is installed, the whole longitudinal gradient of the road edge stone is consistent, the line shapes on two sides are straight through measuring, positioning and paying-off handle control, and the paying-off handle control adopts a mode of encrypting paying-off points by a curved section;
s4: setting a template reinforcing tool at each preset distance, fixing the template and the template reinforcing tool through a template clamp, and adjusting and fixing the template to a preset position according to the requirements of a construction drawing;
s5: pouring concrete into a construction area between the curbstone and the template;
s6: and when the strength of the backrest concrete reaches the standard, the fixation of the template reinforcing tool is released, and the template is taken down.
Preferably, the specific construction steps of S4 are as follows:
s4a: placing the template on one side of a curb backrest on which concrete curb is to be poured;
s4b: placing a template reinforcing tool, wherein one template reinforcing tool is placed at each preset distance;
s4c: placing the bottom end of the vertical positioning piece on the water-stable upper base layer, enabling the inner side of the vertical positioning piece to cling to the outer side of the curbstone, and enabling the lower side of the horizontal positioning piece to cling to the upper surface of the curbstone;
s4d: adjusting scale mark pointers on the movable vertical legs to enable the lengths of the scale mark pointers extending out of the movable vertical legs to be the same as the thickness of the template;
s4e: the movable vertical legs are adjusted, the positions of the movable vertical legs are determined through indication of scale mark pointers, the distance between the template and the curbstone is guaranteed to be the thickness of the poured curbstone backrest, and the movable vertical legs are fixed and clamped by the locking piece I;
s4f: and the template clamp is adjusted up and down, so that the lower end of the template is pressed against the ground, the second locking piece is locked, and the template is fixed and clamped by the template clamp.
In summary, the invention has the following beneficial technical effects:
1. the die plate is firmly clamped, the construction quality and the construction efficiency are improved, the problem that concrete overflows due to die expansion at the lower end of the die plate is solved, meanwhile, the problem that the concrete flows into a green belt to pollute soil is avoided, the design requirement is met due to one-time pouring molding, later trimming is not needed, and manpower and material resources are saved.
2. The adjustable nature of activity stand leg has realized satisfying the location reinforcement needs of the template of different thickness curbstone, and the adjustability of template clamp has realized satisfying the location reinforcement needs of the template of different high curbstone, and regulation mode convenient operation, simple structure.
3. The first bending gasket is arranged, so that the effect of locking the movable vertical legs is more stable, the purpose of achieving the design requirement by one-step molding of the road edge stone backrest is further realized, and the construction quality is ensured; the setting of crooked gasket two has realized template clamp and template locking effect more firm, has guaranteed simultaneously that there is not the gap between template bottom and the road side form, has solved template lower extreme mould that rises and the problem that the concrete is excessive appears.
Drawings
FIG. 1 is a schematic view of a concrete form reinforcement tool for a curb backrest;
FIG. 2 is a schematic construction view of a concrete form reinforcing tool for a curbstone backrest;
FIG. 3 is a schematic view in partial enlarged and partial cross-section of FIG. 2I.
Reference numerals illustrate: 1-a vertical positioning piece;
2-a horizontal positioning piece; 21-limiting;
3-movable vertical legs; 31-first locking member; 32-bending the first gasket; 33-tick mark pointer;
4-a template clip; 41-clamping part; 42-second locking piece; 43-bending the second gasket;
5-template; 6-curbstone; 7-curbstone backrest; 8-water stable upper base layer; 9 road side touches; 10-a cement mortar cushion layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
The embodiment discloses a concrete template reinforcing tool for a road edge stone backrest, referring to fig. 1, the tool comprises a vertical positioning piece 1 and a horizontal positioning piece 2, wherein the vertical positioning piece 1 is positioned on one side of the road edge stone 6, the horizontal positioning piece 2 spans the road edge stone, the vertical positioning piece 1 is fixedly connected with the horizontal positioning piece 2, the bottom end of the vertical positioning piece 1 is a spherical surface, a movable vertical leg 3 capable of being locked and positioned is sleeved on the horizontal positioning piece 2 in a sliding manner, the movable vertical leg 3 is positioned on the other side of the road edge stone 6, a template clamp 4 is sleeved on the movable vertical leg 3 in a sliding manner, and the template clamp 4 is used for locking and positioning a template 5 positioned on the other side of the road edge stone 6 and parallel to the road edge stone; the horizontal positioning piece 2 is provided with a detachable limit 21 at one end far away from the vertical positioning piece 1.
Referring to fig. 2 and 3, the upper part of the movable vertical leg 3 is slidably sleeved on the horizontal positioning piece 2, and a first locking piece 31 capable of locking the movable vertical leg 3 and the horizontal positioning piece 2 is connected to the upper end of the movable vertical leg 3 in the vertical direction; the lower end of the first locking piece 31 is provided with a first bending gasket 32 with a high middle and a low periphery; a clamping part 41 for clamping the template 5 is arranged on one side, close to the vertical positioning piece 1, of the template clamp 4, and a second locking piece 42 capable of locking the template clamp and the movable vertical leg is arranged on one side, far away from the vertical positioning piece 1, of the template clamp 4; the lower end of the second locking piece 42 is provided with a second bending gasket 43 with a high middle and a low periphery; the lower part of the vertical face of the horizontal positioning piece 2 is provided with scale marks along the length direction, and one side of the movable vertical leg 3, on which the template 5 is arranged, is provided with a scale mark pointer 33 which can stretch along the length direction of the horizontal positioning piece 2.
Referring to fig. 2, a construction method based on a concrete form reinforcing tool for a curbstone backrest includes the steps of:
s1: a water stable upper base layer 8 of the road structure;
s2: carrying out construction of an M7.5 cement mortar cushion layer 10 with the thickness of 3cm and the same width as that of the curbstone 6 on the road side die 9;
s3: the road edge stone 6 is installed, the whole longitudinal gradient of the road edge stone 6 is guaranteed to be consistent through measuring, positioning and paying-off handle control, and the paying-off handle control adopts a mode of encrypting paying-off points by curved sections;
s4: setting a template reinforcing tool at each interval of 50m, fixing the templates 5 and the template reinforcing tools through template clamps 4, and adjusting and fixing the templates 5 to a preset position according to the requirements of construction drawings, wherein the templates 5 positioned in the area between two adjacent template reinforcing tools are fixed in an auxiliary manner through reinforcing steel bar residues;
the specific operation method of the step is as follows:
s4a: placing the template 5 on one side of the curbstone 6 where the concrete curbstone backrest 7 is to be poured;
s4b: placing a template reinforcing tool, wherein the road edge stone backrest is subjected to linear construction, and a construction section is formed at about 100m to 200m in general construction; placing a template reinforcing tool at each 50m position, wherein templates 5 positioned in the area between two adjacent template reinforcing tools are fixed in an auxiliary manner through reinforcing bar residues;
s4c: placing the bottom end of the vertical positioning piece 1 on the water-stable upper base layer 8, enabling the inner side of the vertical positioning piece 1 to cling to the outer side of the curbstone 6, and enabling the lower side of the horizontal positioning piece 2 to cling to the upper surface of the curbstone 6;
s4d: the scale mark pointer 33 on the movable vertical leg 3 is regulated, so that the length of the scale mark pointer 33 extending out of the movable vertical leg 3 is the same as the thickness of the template 5, and the scale mark pointer is adjustable because the thickness of the template is different, the scale mark pointer is regulated according to the thickness of the template, and the scale mark pointer and the inner side of the template are positioned in the same vertical plane, so that the scale marks pointed by the scale mark pointer are the scale marks pointed by the inner side of the template;
s4e: according to the requirements of construction drawings, the movable vertical leg 3 is adjusted, the position of the movable vertical leg 3 is determined through the indication of the scale mark pointer 33, the distance between the template 5 and the curbstone 6 is ensured to be the thickness of the poured curbstone backrest 7, the locking piece I31 is locked, and the movable vertical leg 3 is fixed and clamped;
s4f: the template clamp 4 is adjusted up and down, the template 5 is placed in the clamping part 41 to enable the lower end of the template 5 to press the ground, the second locking piece 42 is locked, and the template 5 is fixed and clamped by the template clamp 4;
s5: slowly pouring concrete into a construction area between the curbstone 6 and the template through a chute of the concrete tank truck, and performing vibrating construction while pouring by a constructor through a vibrating rod in the pouring process;
s6: and after the pouring construction of the curbstone backrest 7 is finished for one day, when the intensity of the backrest concrete reaches the standard, the fixation of the template reinforcing tool is released, and the template 5 is removed by slight vibration.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a concrete form reinforcement tool for curbstone back, its characterized in that includes vertical setting element (1) and horizontal setting element (2) that are used for being located curbstone (6) one side of crossing curbstone, vertical setting element (1) with horizontal setting element (2) fixed connection, movable riser (3) that can lock the location have been cup jointed on horizontal setting element (2), movable riser (3) are located the opposite side of curbstone (6), the vertical direction of movable riser (3) upper end is connected with retaining member one (31) that can lock movable riser (3) and horizontal setting element (2), the lower extreme of retaining member one (31) is provided with middle high and low crooked gasket one (32) in every side, template clamp (4) have been cup jointed on movable riser (3) in the slip, template clamp (4) are used for locking the location to template (5) that are located the opposite side of curbstone (6) and are parallel with the curbstone; a clamping part (41) for clamping the template (5) is arranged on one side, close to the vertical positioning piece (1), of the template clamp (4), and a locking piece II (42) capable of locking the template clamp and the movable vertical leg is arranged on one side, far away from the vertical positioning piece (1), of the template clamp (4); the lower end of the second locking piece (42) is provided with a second bending gasket (43) with a high middle and a low periphery.
2. A tool for reinforcing a curbstone back concrete form according to claim 1, characterized in that a removable stop (21) is provided on the end of the horizontal positioning element (2) remote from the vertical positioning element (1).
3. The reinforcing tool for the curbstone backrest concrete template according to claim 1, wherein graduation marks are arranged below the vertical face of the horizontal positioning piece (2) along the length direction, and graduation mark pointers (33) which can stretch and retract along the length direction of the horizontal positioning piece (2) are arranged on one side of the movable vertical leg (3) on which the template (5) is mounted.
4. A tool for reinforcing a curbstone back concrete form according to any of the claims 1-3, characterized in that the bottom end of the vertical positioning member (1) is spherical.
5. The construction method for the curb backrest concrete form reinforcing tool is characterized by comprising the following steps of:
s1: a water stable upper base layer (8) of the road structure;
s2: carrying out cement mortar cushion layer (10) construction with preset thickness and width on the road side mould (9);
s3: the road edge stone (6) is installed, the whole longitudinal gradient of the road edge stone (6) is guaranteed to be consistent through measurement, positioning and paying-off handle control, and the paying-off handle control adopts a curved section encryption paying-off point position mode;
s4: setting a template reinforcing tool at each preset distance, fixing the template (5) and the template reinforcing tool through a template clamp (4), and adjusting and fixing the template (5) to a preset position according to the requirements of construction drawings;
the specific construction steps of the S4 are as follows:
s4a: placing the template (5) on one side of a curb backrest (7) on which concrete curb stones (6) are to be poured;
s4b: placing a template reinforcing tool, wherein one template reinforcing tool is placed at each preset distance;
s4c: the bottom end of the vertical positioning piece (1) is placed on the water-stable upper base layer (8), the inner side of the vertical positioning piece (1) is clung to the outer side of the curbstone (6), and the lower side of the horizontal positioning piece (2) is clung to the upper surface of the curbstone (6);
s4d: adjusting a scale mark pointer (33) on the movable vertical leg (3) to enable the length of the scale mark pointer (33) extending out of the movable vertical leg (3) to be the same as the thickness of the template (5);
s4e: the movable vertical leg (3) is adjusted, the position of the movable vertical leg (3) is determined through indication of a scale mark pointer (33), the distance between the template (5) and the curbstone (6) is guaranteed to be the thickness of the poured curbstone backrest (7), and the movable vertical leg (3) is fixed and clamped by a locking piece I (31);
s4f: the template clamp (4) is adjusted up and down, so that the lower end of the template (5) is pressed against the ground, the locking piece II (42) is locked, and the template clamp (4) is used for fixing and clamping the template (5);
s5: pouring concrete into a construction area between the curbstone (6) and the template;
s6: and when the strength of the backrest concrete reaches the standard, the fixation of the template reinforcing tool is released, and the template (5) is taken down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111570141.3A CN114032745B (en) | 2021-12-21 | 2021-12-21 | Concrete template reinforcing tool for curb backrest and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111570141.3A CN114032745B (en) | 2021-12-21 | 2021-12-21 | Concrete template reinforcing tool for curb backrest and construction method |
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| CN114032745A CN114032745A (en) | 2022-02-11 |
| CN114032745B true CN114032745B (en) | 2023-08-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114481763A (en) * | 2022-03-01 | 2022-05-13 | 中国建筑土木建设有限公司 | Curb backrest concrete formwork device and construction method thereof |
| CN114561855A (en) * | 2022-03-15 | 2022-05-31 | 宁波市政工程建设集团股份有限公司 | Road side stone rear prop concrete forming equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2042137A5 (en) * | 1970-03-19 | 1971-02-05 | Plieu Marcel | |
| JPH0687409U (en) * | 1992-02-21 | 1994-12-22 | 有限会社山野井土建 | Formwork support tool for concrete construction of road culvert construction concrete |
| CN204357124U (en) * | 2014-11-20 | 2015-05-27 | 陈丹燕 | A kind of template clamping and fixing device of building operations |
| CN208649859U (en) * | 2018-07-23 | 2019-03-26 | 呼和浩特市政公路工程有限责任公司 | A kind of road concrete side form fixing templates |
| CN210013093U (en) * | 2019-04-01 | 2020-02-04 | 济南城建集团有限公司 | Novel concrete road side form template reinforcing device |
| CN212613763U (en) * | 2020-05-12 | 2021-02-26 | 云南建投第十三建设有限公司 | A timing support fixture that is used for bathroom prevention of seepage to lead wall aluminium template |
| CN214498391U (en) * | 2021-03-24 | 2021-10-26 | 中建七局第四建筑有限公司 | Reinforcing tool for concrete reverse ridge template |
| CN214992912U (en) * | 2021-04-06 | 2021-12-03 | 临沂市政集团有限公司 | Curb back consolidates U type card for municipal construction |
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