CN210561739U - Arc-shaped support combined template for cast-in-place box girder construction - Google Patents
Arc-shaped support combined template for cast-in-place box girder construction Download PDFInfo
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- CN210561739U CN210561739U CN201920813791.8U CN201920813791U CN210561739U CN 210561739 U CN210561739 U CN 210561739U CN 201920813791 U CN201920813791 U CN 201920813791U CN 210561739 U CN210561739 U CN 210561739U
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Abstract
The utility model belongs to the technical field of bridge building engineering construction, a arc support built-up plate for construction of cast-in-place box girder is specifically disclosed, including a plurality of arc support, a plurality of arc support evenly sets up along the bridge direction. Still including being located a plurality of square timbers on the arc body of arc support, a plurality of square timbers are laid along the lower extreme of arc body to the upper end. The square timber can be dismantled through the mounting and fix on the arc support, and the square timber is used for being a whole with a plurality of arc leg joint, and provides the bearing surface of laying for cast-in-place case roof beam side form board. The cast-in-place box girder side template is formed by connecting a plurality of bamboo plywood in sequence, and the bamboo plywood is fixed on the upper surface of square timber through nails. Through the utility model discloses arc support built-up plate's use, cast-in-place box girder's outward appearance is beautiful, linear smooth-going, and uses fewly at mechanical equipment such as crane in the work progress, and construction cost is low.
Description
Technical Field
The utility model relates to a bridge building engineering construction technical field, concretely relates to arc support built-up plate for construction of cast-in-place box girder.
Background
With the rapid development of the traffic industry and urban construction in China, particularly under the conditions of continuous development of the traffic transportation industry and continuous growth of traffic flow, a large number of overpasses and plane crossing bridges are constructed. The construction method of the prefabricated box girder and the cast-in-place box girder is commonly adopted in domestic bridge models, and with the continuous push of highways and railways to mountainous areas, the number of large continuous bridges is continuously increased, and the application of cast-in-place box girder steel reinforcement cages is increased.
At present, a cast-in-place steel beam is constructed by adopting a large steel template, and the dependence of the large steel template on a crane is overhigh during installation. Moreover, the topography of mountainous areas and the like varies, such as: the method is located in the Qinling mountain area at the overpass of the Taifeng high-speed field dam, and has the problems that the landform and the landform are various, the field dam overpass is designed with a cast-in-place box girder 22 connection, the cast-in-place box girder is mostly located in a V-shaped trench terrain area, the requirement of a crane on a limited parking area during construction is met, and the like. The transportation of the large steel formwork is difficult due to the inconvenience of road transportation; the steel templates of the partial sections of the bridge cannot be hoisted in place through a crane, so that the construction period of the bridge is prolonged, and the construction cost is greatly increased.
Therefore, there is a need for an improved form for cast-in-place box girder construction in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an arc support built-up plate for construction of cast-in-place case roof beam solves among the prior art steel form and the support hoist and mount of cast-in-place case roof beam side form (web form and wing form) problem heavy, that the efficiency is lower, with high costs.
The technical scheme for realizing the purpose of the utility model is as follows: the arc support built-up plate includes a plurality of arc support, and a plurality of arc support evenly sets up along the bridge direction.
The arc support combined template further comprises a plurality of square timbers positioned on the arc body of the arc support, and the plurality of square timbers are laid along the lower end and the upper end of the arc body. The square timber can be dismantled through the mounting and fix on the arc support, and the square timber is used for being a whole with a plurality of arc leg joint, and provides the bearing surface of laying for cast-in-place case roof beam side form board.
The cast-in-place box girder side template is formed by connecting a plurality of bamboo plywood in sequence, and the bamboo plywood is fixed on the upper surface of square timber through nails.
Wherein, the arc support includes the arc body, is located the bottom plate of arc body lower part, is located a plurality of supporter between arc body and the bottom plate. One end of the bottom plate is a free end, and the other end of the bottom plate is fixedly connected with the lower end of the arc-shaped body.
Further, the arc body comprises a wing template supporting part, an arc bending part and a belly template supporting part from the upper end to the lower end in sequence.
Preferably, the arc-shaped support is further provided with a protection leg, and the protection leg is upwards welded on the wing template supporting part. The protective legs are arranged to provide support for the outer template of the wing plate positioned at the end part of the wing template, so that the outer template of the wing plate is prevented from falling off.
Preferably, the arc-shaped support further comprises an adjusting cushion block, the adjusting cushion block is arranged at the lower portion of the arc-shaped support, and the adjusting cushion block is used for adjusting the angle of the cast-in-situ box girder side template. The adjusting cushion block is arranged at the lower part of the bottom plate of the arc-shaped support, so that the inclination angle of the arc-shaped support can be changed, the angle that the arc-shaped support is suitable for wing templates and web templates of the cast-in-place box beam side template is achieved, and the arc-shaped support can better support the cast-in-place box beam side template.
For the angular adjustment of further improvement arc support composite formwork, the arc support still includes the adjustment portion, and the adjustment portion is formed by the free end downwardly extending of web form supporting part, and adjustment cushion and adjustment portion are used for adjusting the angle of cast-in-place case roof beam side form. The adjusting part and the adjusting cushion blocks are arranged, so that the angle adjusting range of the cast-in-place box girder side mold is wider, the inclination angle of the web formwork of the cast-in-place box girder side mold is continuously increased along with the increase of the number of the adjusting cushion blocks, and the cast-in-place box girder is suitable for the design of cast-in-place box girders with various inclination angles of the web formwork.
Furthermore, the supporter includes vertical supporter and slant supporter, and vertical supporter and slant supporter are used for supporting the arc body. One end of the vertical supporting body is vertically fixed on the bottom plate, and the other end of the vertical supporting body is fixed on the lower surface of the wing template supporting part. One end of the oblique supporting body is arranged at the fixed position of the bottom plate and the vertical supporting body, and the other end of the oblique supporting body is arranged on the lower surface of the circular arc bending part or the lower surface of the web formwork supporting part. Fix the upper end of supporter at each position of arc body, can guarantee that the supporter carries out the omnidirectional to the arc body and supports, strengthens the support intensity of arc support.
In order to ensure that the cast-in-place box girder has attractive appearance and smooth linearity, the arc support combined template is also provided with an arc transition template, the arc transition template is positioned between the cast-in-place box girder side template and the cast-in-place box girder bottom template, and the arc transition template is arranged so that a good fillet transition is formed between the cast-in-place box girder side template and the cast-in-place box girder bottom template, so that the transition between the two sides of the cast-in-place box girder and the bottom edge of the rubber box girder is smooth.
The combined template of the arc-shaped bracket further comprises a cast-in-situ box beam baffle template, and the cast-in-situ box beam baffle template is fixed at the upper end of the cast-in-situ box beam side template.
As a further improvement to the utility model, in order to reduce the weight of the arc-shaped support, the bottom plate of the arc-shaped support is a steel groove or an I-steel, and a reinforcing rib plate is welded on the steel groove or the I-steel. The setting of reinforcing floor can strengthen the intensity of bottom plate, and when avoiding the construction, the arc support warp and destroys.
As right the utility model discloses a further improvement, for the construction cost and the weight of reduction raw materials, the construction of being convenient for often operation people removes the arc support, and the cross section of arc body and supporter is square or circular shape hollow structure. In order to further prolong the service life of the arc-shaped support, the surface of the arc-shaped support is subjected to rust-proof and corrosion-proof treatment.
Compared with the prior art, the utility model has the advantages that:
1. the arc-shaped support combined template is light and handy in structure, and convenient and safe to erect and dismantle.
2. The arc-shaped support combined template is suitable for various plane curve radius cast-in-place beams, the utilization rate is high, and cast-in-place box beams after being poured are attractive in appearance and smooth in linearity.
3. The cost of the arc-shaped support combined template is low, and if the existing steel template is adopted for cast-in-place box beam construction, taking the situation that the field dam overpass main line bridge spans the terrace and the cast-in-place box beam is cast at a high speed of 50 meters in the background technology as an example, the processing cost is 35 ten thousand yuan; if adopt the utility model discloses well arc support built-up plate carries out cast-in-place box girder construction, and the phase working costs is 13.5 ten thousand yuan, and the working costs reduces half at least, and processing cycle saves about 3/1 ~ 1/2.
4. The use of the arc-shaped support combined template greatly reduces the use frequency of a crane.
Drawings
Fig. 1 is a schematic structural view of a combined formwork of an arc-shaped bracket of the present invention;
FIG. 2 is a schematic structural view of the arc-shaped bracket of the present invention;
FIG. 3 is a schematic position diagram of the arc-shaped support combined template in the cast-in-place box girder construction of the utility model;
wherein, 1, the arc-shaped bracket; 2. a side template of the cast-in-place box girder; 3. square wood; 4. an arc-shaped body; 5. a wing template support section; 6. a web formwork support; 7. a circular arc bending part; 8. a base plate; 9. adjusting the cushion block; 10. an adjustment part; 11. protecting legs; 12. a vertical support; 13. an oblique support body; 14. an arc transition template; 15. a bottom template of the box girder is cast in situ; 16. a cast-in-situ box girder retaining head template.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
referring to fig. 1, an arc-shaped support combination formwork for cast-in-place box girder construction includes a plurality of arc-shaped supports 1, a plurality of square beams 3, and cast-in-place box girder side formworks 2. A plurality of arc support 1 evenly sets up along the bridge direction, and a plurality of square timber 3 are fixed on the arc body 4 upper portion of arc support 1 through mounting (all can such as steel wire, plastics rope, rope made of hemp) detachable, and evenly lay a plurality of square timber 3 along the lower extreme to the upper end along arc body 4. The square timber 3 is used for connecting a plurality of arc-shaped supports 1 into a whole, and the square timber 3 provides a laying support surface for the cast-in-place box girder side formwork 2.
After the arc-shaped support 1 and the square timbers 3 are fixed along the bridge direction, the cast-in-situ box girder side template 2 is laid on the square timbers 3. The cast-in-place box girder side template 2 is formed by connecting a plurality of bamboo plywood plates in sequence (wherein, the adjacent bamboo plywood plates are in close contact, the joint of the adjacent bamboo plywood plates must be tight), and the bamboo plywood plates are fixed on the upper surface of the square timber 3 by nails.
Referring to fig. 2, the arc-shaped bracket 1 includes an arc-shaped body 4, a bottom plate 8 located at a lower portion of the arc-shaped body 4, and a plurality of supporting bodies located between the bottom plate 8 and the arc-shaped body 4. One end of the bottom plate 8 is fixedly connected with the lower end of the arc-shaped body 4, and the other end of the bottom plate 8 is a free end. The arc-shaped body comprises a wing template supporting part 5, a web template supporting part 6 and an arc bending part 7 for connecting the wing template supporting part 5 and the web template supporting part 6.
One end of the supporting body is fixed on the bottom plate 8, the other end of the supporting body is fixed on the arc-shaped body 4, and the supporting body is used for supporting the arc-shaped body 4. Wherein, the support body includes vertical support body 12 and slant support body 13. One end of the vertical support 12 is vertically fixed on the bottom plate 8, and the other end is fixed on the lower surface of the wing formwork support part 5. One end of the inclined support body 13 is arranged at the joint of the bottom plate 8 and the vertical support body 12, and the other end is arranged on the lower surface of the circular arc bending part 7 or the abdominal template support part 6.
As a further improvement to this embodiment, the arc-shaped body 4 of the arc-shaped bracket 1 is preferably made of steel material, and the arc-shaped body 4 made of steel material has high strength, so that the arc-shaped body 4 is not easy to deform during the cast-in-place box girder construction. The cross section of the arc-shaped body 4 is square or round, and the cross section of the arc-shaped body 4 is selected to be round best for fixing the arc-shaped body 4 and the square wood 3 arranged at the upper part of the arc-shaped body.
In order to reduce the construction cost and weight of the raw materials and facilitate the movement of the arc-shaped support 1, the arc-shaped body 4 and the support body are preferably hollow steel pipes.
Referring to fig. 2, as a further improvement of the present embodiment, the arc-shaped support 1 further includes an adjusting pad 9 (in the present embodiment, the adjusting pad 9 is preferably a wood pad), the adjusting pad 9 is disposed at a lower portion of the arc-shaped support 1, and the adjusting pad 9 is used for adjusting an angle of the cast-in-place box beam sideform 2.
As a further improvement to this embodiment, the arc-shaped body 4 is further provided with a protection leg 11, and the protection leg 11 is welded to the wing form support part 5. During operation, the protection legs 11 can prevent the square timbers 3 on the upper part of the arc-shaped support 1, bamboo plywood of the side template 2 of the pouring box girder and other construction materials from falling off, thereby causing safety problems.
Example 2:
wherein, as the further improvement to embodiment 1, in order to make the arc support built-up plate be applicable to the construction of the cast-in-place box girder of multiple structures, be convenient for adjust the radian of arc support built-up plate. The arc-shaped support 1 further comprises an adjusting part 10, the adjusting part 10 is formed by downwards extending the free end of the web formwork supporting part 6, and the adjusting cushion block 9 and the adjusting part 10 are used for adjusting the angle of the cast-in-situ box girder side formwork 2. Further, when the arc-shaped support 1 is arranged, the arc-shaped support 1 is adjusted by the adjusting part 10 and the different adjusting cushion blocks 9 arranged at the free end of the bottom plate 8 according to the arrangement angle of the cast-in-situ box girder side template 2 (web template and wing template), so that the arc-shaped support 1 conforms to the inclination angle of the cast-in-situ box girder side template 2 (web template and wing template).
As shown in fig. 1 and 3, the arc-shaped support composite formwork further includes an arc-shaped transition formwork 14 and a cast-in-place box girder retaining head formwork 16, the arc-shaped transition formwork 14 is located between the cast-in-place box girder side formwork 2 and the cast-in-place box girder bottom formwork 15, and the cast-in-place box girder retaining head formwork 16 is fixed at the upper end of the cast-in-place box girder side formwork 2. When the radius of the curve of the cast-in-place box girder is smaller, an arc transition template 14 is arranged between the cast-in-place box girder side template 2 and the cast-in-place box girder bottom template 15 so as to ensure smooth curve and linear and beautiful appearance of the cast-in-place box girder.
Example 3:
the present embodiment 1 and the present embodiment 2 specifically describe the arc-shaped support frame assembly form by taking a cast-in-place box girder with a height of 1.2m as an example.
Wherein, the arc-shaped body 4 of the arc-shaped bracket 1 is integrally formed by steel pipes with the diameter of phi 4.8 and subjected to corrosion prevention and rust prevention treatment, and the length of the wing template supporting part 5 is 135 cm; the length of the arc bending part 7 is 42cm, and the arc bending part 7 is formed by bending by 30 degrees through a bending machine; the length of the web support 6 is 52 cm. The bottom plate 8 of the arc-shaped support 1 is formed by channel steel or I-steel, and the length of the bottom plate 8 is 150 cm. In order to strengthen the channel steel or the I-steel, a strengthening rib plate is arranged on the channel steel or the I-steel. The protection legs 11 of the arc-shaped support 1 are upwards welded at the upper end of the arc-shaped body 4 through phi 3.0 steel pipes.
The vertical supporting bodies 12 and the inclined supporting bodies 13 are supported by steel pipes subjected to corrosion prevention and rust prevention treatment, the number of the vertical supporting bodies 12 is 2, the first vertical supporting body 12 is close to the free end of the bottom plate 8, and the length of the first vertical supporting body is 73 cm; the second vertical support 12 is close to the fixed end of the bottom plate 8 and the length of the second vertical support is 60 cm; the inclined support 13 has one end welded to the welding point of the second inclined support 12 and the bottom plate 8, and the other end welded to the lower surface of the web support 6 or the arc bending portion 7, and the length of the inclined support 13 is 62 cm. It should be noted that the number of the vertical supporting bodies 12 and the inclined supporting bodies 13 is not fixed and is adjusted according to the specification of the cast-in-place box girder.
Wherein, lay 10 cm's square timber 3 along the lower extreme of arc 4 to the upper end in proper order, 5 ~ 15cm intervals between adjacent square timber 3. The square wood 3 and the arc-shaped support 1 are fixed by connecting pieces (such as steel wires, plastic ropes, hemp ropes and the like).
Wherein, a cast-in-situ box girder side template 2 is laid on the upper surface of the square timber 3, the cast-in-situ box girder side template 2 is formed by sequentially laying a plurality of bamboo plywood, and the bamboo plywood is fixed on the square timber 3 through nails (air nails, straight nails and the like).
Wherein, the arc transition template 14 is an arc iron sheet with the optimal thickness of 3 mm.
The cast-in-place box beam baffle head template 15 is preferably a bamboo plywood with the height of 10-30 cm, a square timber 3 is arranged on the inner side of the protection leg 11 and the upper part of the cast-in-place box beam side template 2, and the cast-in-place box beam baffle head template 15 is fixed on the square timber 3 through stators (air nails, straight nails and the like).
The erection method of the arc-shaped support combined template of the embodiment 1 to the embodiment 3 comprises the following steps:
step one, arranging an arc-shaped support 1 of a cast-in-place box beam according to prepressing settlement data, and marking the positions of two ends of a bottom plate 8 of the arc-shaped support 1 by using a line snapping device and the like;
step two, arranging a plurality of arc-shaped supports 1 along the marked line at intervals of 0.9 m;
thirdly, connecting and fixing a plurality of arc-shaped supports 1 into a whole in a fastener lap joint mode by using steel pipe members along the bridge direction, and ensuring that the arc-shaped supports 1 do not move transversely;
and step four, paving square timbers 3(10cm by 10cm) on the plurality of arc-shaped supports 1 fixed in the step three from bottom to top in sequence, and binding and fixing the square timbers 3 on the arc-shaped supports 1 by fixing pieces such as iron wires or ropes. When the square timbers 3 are laid on the arc-shaped support 1, the distance between every two adjacent square timbers 3 is set to be 10cm, the square timbers are arranged at intervals along the bridge direction, and the lap joint length is 20 cm;
placing a cast-in-place box girder side template 2 on the square timber 3, wherein the cast-in-place box girder side template 2 is a bamboo plywood, fixing the bamboo plywood on the square timber 3 by nails (steam nails, straight nails and the like), and paying attention to the tight joint of adjacent bamboo plywood when the bamboo plywood is laid;
measuring the actual elevation of the cast-in-place box beam side formwork 2, adjusting by adjusting a cushion block 9 and an adjusting part 10 of the arc-shaped support 1, and increasing or reducing the adjusting cushion block 9 on the lower part of the bottom plate 8 to adjust the actual elevation of the cast-in-place box beam side formwork 2 to the designed elevation;
step seven, arranging an arc-shaped transition template 14 between the cast-in-place box beam side template 2 and the cast-in-place box beam bottom template 15; and arranging a cast-in-situ box girder baffle head template 16 at the upper end of the cast-in-situ box girder side template 2, namely finishing the erection of the arc support combined template.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides an arc support built-up plate for construction of cast-in-place box girder which characterized in that: the bridge comprises a plurality of arc-shaped supports (1), wherein the arc-shaped supports (1) are uniformly arranged along the direction of a bridge;
the wood-making machine is characterized by further comprising a plurality of square timbers (3) positioned on the arc-shaped body (4) of the arc-shaped support (1), wherein the square timbers (3) are laid from the lower end to the upper end of the arc-shaped body (4); the square timber (3) is detachably fixed on the arc-shaped supports (1) through fixing pieces, and the square timber (3) is used for connecting a plurality of arc-shaped supports (1) into a whole and providing a laying support surface for the cast-in-place box beam side template (2);
the cast-in-place box girder side formwork (2) is formed by sequentially connecting a plurality of bamboo plywood, and the bamboo plywood is fixed on the upper surface of the square timber (3) through nails.
2. The arc-shaped support combined template for cast-in-place box girder construction according to claim 1, characterized in that: the arc-shaped support (1) comprises an arc-shaped body (4), a bottom plate (8) positioned at the lower part of the arc-shaped body (4), and a plurality of supporting bodies positioned between the arc-shaped body (4) and the bottom plate (8); one end of the bottom plate (8) is a free end, and the other end of the bottom plate (8) is fixedly connected with the lower end of the arc-shaped body (4).
3. The arc-shaped support combined template for cast-in-place box girder construction according to claim 2, characterized in that: the arc-shaped body (4) sequentially comprises a wing template supporting part (5), an arc bending part (7) and an abdominal template supporting part (6) from the upper end to the lower end.
4. The arc-shaped support combined template for cast-in-place box girder construction according to claim 3, wherein: still be equipped with on arc support (1) and protect leg (11), it upwards welds to protect leg (11) on wing template supporting part (5).
5. The arc-shaped support combined template for cast-in-place box girder construction according to claim 3, wherein: the arc-shaped support (1) further comprises an adjusting cushion block (9), the adjusting cushion block (9) is arranged on the lower portion of the arc-shaped support (1), and the adjusting cushion block (9) is used for adjusting the angle of the cast-in-situ box girder side template (2).
6. The arc-shaped support combined template for cast-in-place box girder construction according to claim 5, wherein: the arc-shaped support (1) further comprises an adjusting portion (10), the adjusting portion (10) is formed by downward extending of the free end of the web formwork supporting portion (6), and the adjusting cushion blocks (9) and the adjusting portion (10) are used for adjusting the angle of the cast-in-place box girder side formwork (2).
7. The arc-shaped support combined template for cast-in-place box girder construction according to claim 3, wherein: the supporting bodies comprise vertical supporting bodies (12) and oblique supporting bodies (13), and the vertical supporting bodies (12) and the oblique supporting bodies (13) are used for supporting the arc-shaped bodies (4);
one end of the vertical support body (12) is vertically fixed on the bottom plate (8), and the other end of the vertical support body is fixed on the lower surface of the wing template supporting part (5);
one end of the inclined support body (13) is arranged at the fixed position of the bottom plate (8) and the vertical support body (12), and the other end of the inclined support body is arranged on the lower surface of the circular arc bending part (7) or the web formwork support part (6).
8. The arc-shaped support combined template for cast-in-place box girder construction according to claim 1, characterized in that: the arc-shaped support combined template further comprises an arc-shaped transition template (14), and the arc-shaped transition template (14) is located between the cast-in-situ box beam side template (2) and the cast-in-situ box beam bottom template (15).
9. The arc-shaped support combined template for cast-in-place box girder construction according to claim 1, characterized in that: the arc-shaped support combined template further comprises a cast-in-situ box beam baffle head template (16), and the cast-in-situ box beam baffle head template (16) is fixed at the upper end of the cast-in-situ box beam side template (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920813791.8U CN210561739U (en) | 2019-05-31 | 2019-05-31 | Arc-shaped support combined template for cast-in-place box girder construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920813791.8U CN210561739U (en) | 2019-05-31 | 2019-05-31 | Arc-shaped support combined template for cast-in-place box girder construction |
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|---|---|
| CN210561739U true CN210561739U (en) | 2020-05-19 |
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| CN201920813791.8U Active CN210561739U (en) | 2019-05-31 | 2019-05-31 | Arc-shaped support combined template for cast-in-place box girder construction |
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