CN204869177U - Precast box girder template - Google Patents
Precast box girder template Download PDFInfo
- Publication number
- CN204869177U CN204869177U CN201520583090.1U CN201520583090U CN204869177U CN 204869177 U CN204869177 U CN 204869177U CN 201520583090 U CN201520583090 U CN 201520583090U CN 204869177 U CN204869177 U CN 204869177U
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- holding frame
- side form
- case beam
- support system
- comb
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Abstract
The utility model provides a precast box girder template, including side form, centre form and braced system, the side form includes ordinary steel template and corrosion resistant plate, the cross -section of ordinary steel template all is the U -shaped with corrosion resistant plate's cross -section, corrosion resistant plate sets up in the ordinary steel template, the cross -section of centre form is the annular, the centre form sets up inside the side form, braced system sets up outside the ordinary steel template for support the side form. The utility model provides a precast box girder template, it sets up corrosion resistant plate in the ordinary steel template of side form, avoided the ordinary steel template pouring rust outside the case roof beam that leads to watering out surface irregularity's problem of in -process, makes case roof beam surface level and smooth, pleasing to the eye.
Description
Technical field
The utility model relates to bridge prefabrication box girder webs technical field, especially relates to a kind of prefabricated case beam template.
Background technology
Case beam is the one of science of bridge building central sill, and inside is hollow shape, and there is the edge of a wing both sides, top, and similar chest, thus gains the name.Its kind is divided into single case, many casees etc.In Reinforced Concrete Box Girder, as one of important feature in science of bridge building, is divided into prefabricated case beam and cast-in-situ box girder according to concreting mode.Wherein, cast-in-situ box girder refers to and directly builds case beam on construction ground.Prefabricated case beam carries out prefabricated in advance in the independent place of finger, lifts afterwards after bridge substructure completes.Because prefabricated case beam effectively can avoid cross jamming of constructing, greatly improve project progress, save the duration, therefore, it is used widely.
Build the conventional template scheme of prefabricated case beam and have plank sheathing, conventional combination steel form and customization steel form etc.Plank sheathing scheme simple and flexible, but formwork rigidity is poor, the number of turnover is few, faulting of slab ends and seam many, template mounting or dismounting efficiency is low, and Surface Quality of Concrete cannot ensure, is only applicable to require lower small bridge engineering.Although the rigidity of conventional combination steel form is higher than wooden model, need the template of plurality of specifications to carry out combination accessory, assembled difficulty is large, and template mounting or dismounting efficiency is still lower, and seam is many, and Surface Quality of Concrete cannot ensure, cannot be suitable for duration shorter large bridges.Although the disposable Meteorological of set shaped steel formwork scheme is higher, formwork integral is good, and rigidity is large, and template mounting or dismounting can adopt mechanical assistance, and efficiency of construction improves greatly.Therefore, set shaped steel formwork scheme is the most used when actual prefabricated case beam.
Set shaped steel formwork of the prior art comprises side form, internal mold and support member.Workmen when utilizing set shaped steel formwork to build, first colligation baseplate reinforcing bar, then colligation web reinforcement, wear bellows.Install case beam side and internal mold, colligation roof steel bar after supervising engineer checks and accepts, roof steel bar hanging wire is constructed, and guarantees reinforcing bar neat and consistent.Finally, build, after waiting to build, internal mold and side form are removed successively.
But set shaped steel formwork of the prior art adopts ordinary steel template, and the very easily corrosion of ordinary steel template, rust cleaning work adds the engineering time of every sheet case beam.In addition, after case beam steel and model sheetinstallat complete, and before colligation roof steel bar and casting concrete, can there is corrosion in ordinary steel template, now can not again eliminate rust, therefore again, the case beam outer surface that set shaped steel formwork of the prior art waters out is uneven, and outward appearance is poor.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated case beam template, to solve the rough technical problem of case beam outer surface that the prefabricated case beam template that exists in prior art is watered out.
The prefabricated case beam template that the utility model provides, comprises side form, internal mold and support system; Side form comprises ordinary steel template and corrosion resistant plate; The cross section of ordinary steel template and the cross section of corrosion resistant plate all take the shape of the letter U; Corrosion resistant plate is arranged in ordinary steel template; The ring-shaped section and ring-shaped of internal mold; Internal mold is arranged on side form inside; Support system is arranged on outside ordinary steel template, for supporting side form.
Further, prefabricated case beam template also comprises multiple comb plate, comb joint; Multiple comb plate, comb joint, along the direction that side form extends, is successively set on the opening part of side form, and multiple comb plate, comb joint is used for fixing reinforcing bar.
Further, prefabricated case beam template also comprises multiple adjustable plate; In support system, along the direction that multiple comb plate, comb joint is arranged, be disposed with multiple adjustable plate; One end of each adjustable plate is connected with support system, and the other end abuts with a comb plate, comb joint; Adjustable plate regulates the distance between comb plate, comb joint and support system.
Further, each adjustable plate is strip; On adjustable plate, along the direction that adjustable plate extends, be provided with mounting hole; Support system is provided with adjusting bolt, and adjusting bolt is used for being located in mounting hole, to be fixed in support system by adjustable plate.
Further, on reinforcing bar, compartment of terrain is provided with multiple depression bar.
Further, support system comprises the first holding frame, the second holding frame, head rod and column; First holding frame and the second holding frame are separately positioned on the both sides of ordinary steel template, and the upper end of the first holding frame is all fixedly connected with the upper end of a column with the upper end of the second holding frame, the lower end of the first holding frame is connected by the lower end of head rod with the second holding frame, to be fixed by side form; The lower end of each column is provided with governor motion, and governor motion is used for the distance of adjusting side mould and ground surface.
Further, the lifting structure adjusting nut that comprises holder, adjusting screw(rod) and match with adjusting screw(rod); Column is square steel, and the lower end of square steel is sealed end; One end of adjusting screw(rod) is connected with base, and the other end is plugged in column, and adjusting nut is set on adjusting screw(rod).
Further, support system also comprises second connecting rod; One end of second connecting rod is connected with the upper end of a column, and the upper end of the column that the other end is relative with this column connects.
Further, adjusting nut is provided with handle.
Further, between the column that the first holding frame is adjacent, and between the column that is adjacent of the second holding frame, be provided with multiple hog frame.
The prefabricated case beam template that the utility model provides; the ordinary steel template of its side form is provided with corrosion resistant plate; when case beam produced by needs; side form surface being provided with corrosion resistant plate winches to predeterminated position; by support system, side form is supported, internal mold is winched in side form, be fixed in baseplate reinforcing bar and web reinforcement by positioning bar and protective layer cushion block; finally, workmen builds.After treating box girder webs, internal mold, side form and support system are removed successively.
The prefabricated case beam template that the utility model provides, it arranges corrosion resistant plate in the ordinary steel template of side form, avoids ordinary steel template and to get rusty in process of production the rough problem of case beam outer surface causing watering out, make case beam outer surface smooth, attractive in appearance.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view of the prefabricated case beam template that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the enlarged drawing of governor motion in the prefabricated case beam template shown in Fig. 1;
The structural representation of the adjustable plate of the prefabricated case beam template that Fig. 3 provides for the utility model embodiment.
Reference numeral:
1-side form; 2-internal mold; 3-support system;
4-adjustable plate; 11-ordinary steel template; 31-first holding frame;
32-second holding frame; 33-first connecting rod; 34-column;
35-second connecting rod; 36-governor motion; 37-hog frame;
41-mounting hole; 361-holder; 362-adjusting screw(rod);
363-adjusting nut; 364-handle.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The front view of the prefabricated case beam template that Fig. 1 provides for the utility model embodiment, as shown in Figure 1, the prefabricated case beam template that the present embodiment provides, comprises side form 1, internal mold 2 and support system 3; Side form 1 comprises ordinary steel template 11 and corrosion resistant plate; The cross section of ordinary steel template 11 and the cross section of corrosion resistant plate all take the shape of the letter U; Corrosion resistant plate is arranged in ordinary steel template 11; The ring-shaped section and ring-shaped of internal mold 2; It is inner that internal mold 2 is arranged on side form 1; Support system 3 is arranged on outside ordinary steel template 11, for supporting side form 1.
Wherein, the connected mode between corrosion resistant plate and ordinary steel template 11 can be multiple, such as: welding or bonding etc.Preferably, connected mode is between the two bonding, and integrally manufactured during fabrication.
The prefabricated case beam template that the utility model provides; when case beam built by needs; user first installs reinforcing bar and bellows; the ordinary steel template 11 of its side form 1 arranges corrosion resistant plate, side form 1 is winched to reinforcing bar and bellows bottom, by support system 3, side form 1 is supported; internal mold 2 is winched in side form 1; be fixed in baseplate reinforcing bar and web reinforcement by positioning bar and protective layer cushion block by internal mold 2, finally, workmen builds.After treating box girder webs, internal mold 2, side form 1 and support system 3 are removed successively.
The prefabricated case beam template that the utility model provides, it arranges corrosion resistant plate in the ordinary steel template 11 of side form 1, avoid ordinary steel template 11 to get rusty in process of production the rough problem of case beam outer surface causing building out, make case beam outer surface smooth, attractive in appearance.
As shown in Figure 1, on the basis of above-described embodiment, further, prefabricated case beam template also comprises multiple comb plate, comb joint; Multiple comb plate, comb joint, along the direction that side form 1 extends, is successively set on the opening part of side form 1, and multiple comb plate, comb joint is used for fixing reinforcing bar.
Multiple comb plate, comb joint, after side form 1 and internal mold 2 being installed successively, is placed on internal mold 2, and is fastened on comb plate, comb joint by reinforcing bar by user.After waiting to build, comb plate, comb joint of dismantling, then internal mold 2, side form 1 and support system 3 are removed successively.
In the present embodiment, adopt comb plate, comb joint to be fixed by reinforcing bar, avoid the process that reinforcing bar is using and be moved, and ensure that the spacing between reinforcing bar is even, lines are attractive in appearance.
The structural representation of the adjustable plate of the prefabricated case beam template that Fig. 3 provides for the utility model embodiment, as shown in figures 1 and 3, on the basis of above-described embodiment, further, prefabricated case beam template also comprises multiple adjustable plate 4; In support system 3, along the direction that multiple comb plate, comb joint is arranged, be disposed with multiple adjustable plate 4; One end of each adjustable plate 4 is connected with support system 3, and the other end abuts with a comb plate, comb joint; Adjustable plate 4 regulates the distance between comb plate, comb joint and support system 3.
Wherein, the shape of adjustable plate 4 can be multiple, such as: rectangle, square and irregularly shaped.
User is after by comb plate, comb joint and reinforcement installation, and be connected with support system 3 one end of adjustable plate 4, the other end abuts with comb plate, comb joint, builds afterwards.After waiting to build, adjustable plate 4 is removed from support system 3.
In the present embodiment, utilizing adjustable plate 4 to regulate distance between comb plate, comb joint and support system 3, namely when needing the string arc difference of adjusting tank beam, by regulating the position of adjustable plate 4 to be propped up by comb plate, comb joint, avoiding comb plate, comb joint to be moved in the process used.Adjustable plate 4 is when the string arc difference of adjusting tank beam, and by regulating the position of adjustable plate in support system to realize, it is easy to use, swift to operate.
As shown in figures 1 and 3, on the basis of above-described embodiment, further, each adjustable plate 4 is in strip; On adjustable plate 4, along the direction that adjustable plate 4 extends, be provided with mounting hole 41; Support system 3 is provided with adjusting bolt, and adjusting bolt is used for being located in mounting hole 41, to be fixed in support system 3 by adjustable plate 4.
Reinforcing bar on comb plate, comb joint and comb plate, comb joint, when needs carry out adjustment string arc difference, is moved to predeterminated position by user, the adjustment position of bolt on adjustable plate 4, and is fixed in support system 3 by adjustable plate 4 by mounting hole 41.After waiting to build, by disassembling bolts, thus remove adjustable plate 4.
In the present embodiment, adjustable plate 4 adopts strip, and adjustable plate 4 and support system 3 is fixed by mounting hole 41 and bolt, and its structure is simple, easy to use.
As shown in Figure 1, on the basis of above-described embodiment, further, on reinforcing bar, compartment of terrain is provided with multiple depression bar.
User is after by comb plate, comb joint and reinforcement installation, and on reinforcing bar, multiple depression bar is placed in compartment of terrain.After waiting to build, depression bar is removed from reinforcing bar.
In the present embodiment, comb plate, comb joint and reinforcing bar place multiple depression bar, solve the problem floated at the process internal mold of building case beam.
Fig. 2 is the enlarged drawing of governor motion in the prefabricated case beam template shown in Fig. 1;
Fig. 2 is the enlarged drawing of governor motion in the prefabricated case beam template shown in Fig. 1, and as depicted in figs. 1 and 2, on the basis of above-described embodiment, further, support system 3 comprises the first holding frame 31, second holding frame 32, head rod and column 34; First holding frame 31 and the second holding frame 32 are separately positioned on the both sides of ordinary steel template 11, and the upper end of the first holding frame 31 is all fixedly connected with the upper end of a column 34 with the upper end of the second holding frame 32, the lower end of the first holding frame 31 is connected with the lower end of the second holding frame 32 by first connecting rod 33, to be fixed by side form 1; The lower end of each column 34 is provided with governor motion 36, and governor motion 36 is for the distance of adjusting side mould 1 with ground surface.
The structure of governor motion 36 can be multiple, such as: governor motion 36 comprises multilayer steel plates, and is arranged on column 34 bottom, is carried out the height of adjusting post 34 by the number of plies increasing and reduce steel plate.
The syndeton of first connecting rod 33 and the first holding frame 31, second holding frame 32 can be multiple, such as: head rod is double-threaded screw, first holding frame 31 and the second holding frame 32 are provided through the first through hole and second through hole of double-threaded screw, by nut to coordinate with screw by the first holding frame 31 and the second holding frame 32 fastening.
When case beam produced by needs, the first holding frame 31 and the second holding frame 32 are connected and fixed by first connecting rod 33 by user, then support system 3 is supported side form 1.After waiting to build, head rod is removed from the first holding frame 31 and the second holding frame 32.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, the governor motion adjusting nut 363 that comprises holder 361, adjusting screw(rod) 362 and match with adjusting screw(rod) 362; Column 34 is square steel, and the lower end of square steel is sealed end; One end of adjusting screw(rod) 362 is connected with base, and the other end is plugged in column 34, and adjusting nut 363 is set on adjusting screw(rod) 362.
When needing the height adjusting support system 3, user adjusts the distance between adjusting nut 363 to base by the adjustment position of adjusting nut 363 on adjusting screw(rod) 362, thus regulate the height of the first holding frame 31 and the second holding frame 32, make side form bottom keep horizontal level.
In the present embodiment, the form adopting adjusting screw(rod) 362 and adjusting nut 363 to coordinate adjusts the height of support system 3, and its structure is simple, easy to operate.
As shown in Figure 1, on the basis of above-described embodiment, further, support system 3 also comprises second connecting rod 35; One end of second connecting rod is connected with the upper end of a column 34, and the upper end of the column 34 that the other end is relative with this column 34 connects.
User is after installing first connecting rod 33 and the first holding frame 31, second holding frame 32, and relative two columns 34 are connected by the second connecting rod.
In the present embodiment, the use of second connecting rod 35 can by the first holding frame 31 and the second holding frame 32 fastening further, make support system 3 more stable.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, adjusting nut 363 is provided with handle 364.
Wherein, the quantity of handle 364 can be one or more, and preferably, the quantity of handle 364 is two, and it is symmetricly set on the two ends of attaching nut.
Handle 364 can be multiple with the connected mode of adjusting nut 363, such as: handle 364 is connected by bolt and nut with adjusting nut 363; And for example, between handle 364 and adjusting nut 363 by being welded to connect etc.
In the present embodiment, adjusting nut 363 arranges handle 364, can the position in adjusting bolt of person's adjusting nut 363 easy to use, its structure is simple, easy to use.
As shown in Figure 1, on the basis of above-described embodiment, further, between the column 34 that the first holding frame 31 is adjacent, and between the column 34 that is adjacent of the second holding frame 32, multiple hog frame 37 is provided with.
Wherein, the version of hog frame 37 can be multiple, and such as, hog frame 37 can be square plate, and the two ends of steel plate are connected with adjacent column 34 with the first holding frame 31 respectively, or are connected with adjacent column 34 with the second holding frame 32 respectively.
Hog frame 37 and the connected mode between the first holding frame 31, second holding frame 32 and adjacent column 34 can be multiple, such as: weld, be spirally connected etc.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a prefabricated case beam template, is characterized in that, comprising: side form, internal mold and support system;
Described side form comprises ordinary steel template and corrosion resistant plate; The cross section of described ordinary steel template and the cross section of described corrosion resistant plate all take the shape of the letter U; Described corrosion resistant plate is arranged in described ordinary steel template;
The ring-shaped section and ring-shaped of described internal mold; It is inner that described internal mold is arranged on described side form;
Described support system is arranged on outside described ordinary steel template, for supporting described side form.
2. prefabricated case beam template according to claim 1, is characterized in that, also comprises multiple comb plate, comb joint;
Multiple described comb plate, comb joint, along the direction that described side form extends, is successively set on the opening part of described side form, and multiple described comb plate, comb joint is used for fixing reinforcing bar.
3. prefabricated case beam template according to claim 2, is characterized in that, also comprise: multiple adjustable plate;
In described support system, along the direction of multiple described comb plate, comb joint arrangement, be disposed with multiple described adjustable plate; One end of each described adjustable plate is connected with support system, and the other end abuts with a described comb plate, comb joint; Described adjustable plate regulates the distance between described comb plate, comb joint and described support system.
4. prefabricated case beam template according to claim 3, is characterized in that, each described adjustable plate is strip; On described adjustable plate, along the direction that described adjustable plate extends, be provided with mounting hole; Described support system is provided with adjusting bolt, and described adjusting bolt is used for being located in described mounting hole, to be fixed in described support system by described adjustable plate.
5. prefabricated case beam template according to claim 2, is characterized in that, on described reinforcing bar, compartment of terrain is provided with multiple depression bar.
6. the prefabricated case beam template according to any one of claim 1-5, is characterized in that, described support system comprises the first holding frame, the second holding frame, first connecting rod and column;
Described first holding frame and described second holding frame are separately positioned on the both sides of described ordinary steel template, and the upper end of described first holding frame is all fixedly connected with the upper end of a described column with the upper end of described second holding frame, the lower end of described first holding frame is connected with the lower end of described second holding frame by described first connecting rod, to be fixed by described side form;
The lower end of each described column is provided with governor motion, and described governor motion is for regulating the distance of described side form and ground surface.
7. prefabricated case beam template according to claim 6, is characterized in that, the adjusting nut that described governor motion comprises holder, adjusting screw(rod) and matches with described adjusting screw(rod);
Described column is square steel, and the lower end of described square steel is sealed end; One end of described adjusting screw(rod) is connected with described base, and the other end is plugged in described column, and described adjusting nut is set on described adjusting screw(rod).
8. prefabricated case beam template according to claim 6, is characterized in that, described support system also comprises second connecting rod;
One end of described second connecting rod is connected with the upper end of a described column, and the upper end of the column that the other end is relative with this column connects.
9. prefabricated case beam template according to claim 7, is characterized in that, described adjusting nut is provided with handle.
10. prefabricated case beam template according to claim 6, is characterized in that, between the described column that described first holding frame is adjacent, and between the described column that is adjacent of described second holding frame, is provided with multiple hog frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583090.1U CN204869177U (en) | 2015-08-05 | 2015-08-05 | Precast box girder template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583090.1U CN204869177U (en) | 2015-08-05 | 2015-08-05 | Precast box girder template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204869177U true CN204869177U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520583090.1U Withdrawn - After Issue CN204869177U (en) | 2015-08-05 | 2015-08-05 | Precast box girder template |
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| CN (1) | CN204869177U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014774A (en) * | 2015-08-05 | 2015-11-04 | 广东省水利水电第三工程局有限公司 | Formwork for prefabricated box girder |
| CN107791368A (en) * | 2017-11-03 | 2018-03-13 | 福州大学 | Fixed integral prefabricated box girder formwork structure and its construction method |
| CN108437158A (en) * | 2018-05-22 | 2018-08-24 | 中冶建工集团有限公司 | A kind of construction method of Precast Concrete Box Girder |
| CN109910142A (en) * | 2018-12-03 | 2019-06-21 | 中交一公局集团有限公司 | Integral reinforced concrete hollowed-out tire seat template with prefabricated bearing bridge deck |
| CN111186017A (en) * | 2020-02-19 | 2020-05-22 | 中交路桥建设有限公司 | Combined template for hollowed-out bridge panel |
| CN111395172A (en) * | 2020-03-23 | 2020-07-10 | 中国五冶集团有限公司 | Side mold and method for constructing special-shaped section of cast-in-place hollow type landscape arch bridge |
-
2015
- 2015-08-05 CN CN201520583090.1U patent/CN204869177U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014774A (en) * | 2015-08-05 | 2015-11-04 | 广东省水利水电第三工程局有限公司 | Formwork for prefabricated box girder |
| CN107791368A (en) * | 2017-11-03 | 2018-03-13 | 福州大学 | Fixed integral prefabricated box girder formwork structure and its construction method |
| CN108437158A (en) * | 2018-05-22 | 2018-08-24 | 中冶建工集团有限公司 | A kind of construction method of Precast Concrete Box Girder |
| CN108437158B (en) * | 2018-05-22 | 2020-07-14 | 中冶建工集团有限公司 | Construction method of precast concrete box girder |
| CN109910142A (en) * | 2018-12-03 | 2019-06-21 | 中交一公局集团有限公司 | Integral reinforced concrete hollowed-out tire seat template with prefabricated bearing bridge deck |
| CN109910142B (en) * | 2018-12-03 | 2024-03-22 | 中交一公局集团有限公司 | Integral steel-concrete hollowed-out bed-jig template with prefabricated belt bearing bridge deck |
| CN111186017A (en) * | 2020-02-19 | 2020-05-22 | 中交路桥建设有限公司 | Combined template for hollowed-out bridge panel |
| CN111395172A (en) * | 2020-03-23 | 2020-07-10 | 中国五冶集团有限公司 | Side mold and method for constructing special-shaped section of cast-in-place hollow type landscape arch bridge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20170901 |
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| AV01 | Patent right actively abandoned |