CN114922218A - Assembled template for bridge substructure - Google Patents
Assembled template for bridge substructure Download PDFInfo
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- CN114922218A CN114922218A CN202210766307.7A CN202210766307A CN114922218A CN 114922218 A CN114922218 A CN 114922218A CN 202210766307 A CN202210766307 A CN 202210766307A CN 114922218 A CN114922218 A CN 114922218A
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- 238000009415 formwork Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- 238000010276 construction Methods 0.000 description 15
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000009440 infrastructure construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
An assembled template for a bridge substructure comprises an upper-layer unit element, a lower-layer unit element and a connecting unit element, wherein the lower end of the upper-layer unit element is connected with the upper end of the lower-layer unit element through a bolt; compared with the prior art, the bridge bearing platform with different sizes can be built through assembling of the upper layer unit pieces, the lower layer unit pieces and the connecting unit pieces with different numbers, and the bridge bearing platform is suitable for most of bridge bearing platforms.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to an assembled template for a bridge lower structure.
Background
With the increasing investment of the country on the infrastructure construction, the infrastructure construction technology of China is also greatly developed, and particularly the construction of large bridges also faces the golden period. In the process of bridge construction, the steel form is more and more widely used. The steel template has the advantages of small adsorption force, easy demoulding, small deformation, multiple turnover times, quick assembly and disassembly and the like. Meanwhile, the steel formwork has excellent performance in the aspects of strength, rigidity, stability, overall performance and the like, so that the steel formwork is more and more widely applied in the current bridge construction industry.
At present, most of bearing platforms in highway engineering bridge substructure are rectangular in shape, but the sizes of the bearing platforms vary. In order to guarantee the requirement of the construction period, each construction enterprise invests more and more various bearing platform steel templates. And because the steel form is the design product, be difficult for changing the shape, sometimes a type cushion cap only has a few even one, nevertheless in order to guarantee the development of construction, all must customize one set of steel form, like this, greatly increased the input of temporary material such as steel form.
Secondly, if application number is CN201721083982.0, the name is the china utility model patent of light multipurpose equipment cushion cap template of quick dismantlement, it is fixed by the concatenation of a plurality of cushion cap templates to form, wherein every cushion cap template has rather than the supporting frame that splices partial shape consistent, the inboard that is close to the concatenation end at supporting frame is provided with the connecting plate, including drawing connecting portion and violently drawing connecting portion to one side on the connecting plate, be equipped with to one side on drawing the connecting portion to one side and draw the connecting hole to one side, violently draw to be equipped with on the connecting portion and violently draw the connecting hole, adopt between the adjacent cushion cap template to draw to one side and/or violently draw the mode of connecting plate to connect. Although a detachable structure is adopted among the supporting frames, the panel, the transverse ribs and the back edge in the supporting frames are welded into a whole, and the single steel formwork welded into the whole occupies a larger space and is delivered to a construction site, so that the transportation cost is greatly increased. Furthermore, the steel template after use generally has different degrees of damage, pits and the like on the panel contacted with concrete, the recycling value is small, the damage of the section steel transverse ribs and the back ridges on the outermost side is small, the recycling value is large, and the difficulty of recycling is greatly increased after the steel template is welded into a whole.
Aiming at the technical problem, the assembled template for the bridge substructure is provided, the design principle is simple, the actual operation is convenient and efficient, and the modular units with various sizes of the bearing platform can be quickly assembled and combined among all parts.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an assembly type template for a bridge lower part structure, which has the advantages of simple design principle, convenient and efficient actual operation and capability of quickly assembling and combining all parts into module units with various bearing platform sizes.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an assembled formwork for a bridge substructure, comprising an upper unit piece, a lower unit piece and a connecting unit piece, a lower end of the upper unit piece being connected with an upper end of the lower unit piece by a bolt, characterized in that: the upper layer unit piece comprises an upper layer plane frame and an upper layer surrounding purlin, the upper layer plane frame and the upper layer surrounding purlin are connected through bolts, and the corners of the upper layer unit piece and the upper layer unit piece are connected through connecting unit pieces; the lower-layer unit piece comprises a lower-layer plane frame and a lower-layer surrounding purlin, the plane frame is connected with the lower-layer surrounding purlin through bolts, and the lower-layer unit piece is connected with the corner of the lower-layer unit piece through a connecting unit piece.
According to a preferable scheme of the invention, the upper-layer plane frame comprises a plurality of transverse ribs, a plurality of connecting holes are formed in the middle parts of the transverse ribs, the connecting holes correspond to surrounding purlin connecting holes formed in the upper-layer surrounding purlin one by one, and the upper-layer plane frame and the upper-layer surrounding purlin are connected through the connecting holes and the surrounding purlin connecting holes by bolts.
As a preferable scheme of the invention, the upper-layer plane frame comprises transverse flanges and longitudinal flanges which are symmetrically arranged, a plurality of transverse ribs are arranged between the longitudinal flanges, and lifting lugs are arranged between the transverse ribs and the longitudinal flanges, wherein the transverse ribs are close to one sides of the longitudinal flanges.
According to a preferable scheme of the invention, the upper-layer purlin comprises upper-layer purlin flanges, pull rod notches are formed at the upper ends of the upper-layer purlin flanges, and upper-layer purlin connecting plates are distributed at the lower ends of the upper-layer purlin flanges.
As a preferable scheme of the invention, the height dimension of the upper layer surrounding purlin is larger than that of the upper layer plane frame.
According to a preferable scheme of the invention, the lower-layer plane frame comprises a plurality of frame transverse ribs, a plurality of frame connecting holes are formed in the middle parts of the frame transverse ribs, the frame connecting holes correspond to lower-layer surrounding purlin connecting holes formed in the lower-layer surrounding purlin one by one, and the lower-layer plane frame and the lower-layer surrounding purlin are connected through the frame connecting holes and the lower-layer surrounding purlin connecting holes through bolts.
As a preferred scheme of the invention, the lower layer plane frame comprises upper and lower flanges which are symmetrically arranged and left and right flanges which are symmetrically arranged, a plurality of frame cross ribs are arranged between the left and right flanges, and the frame cross ribs at one side close to the upper and lower flanges and the frame lifting lugs are arranged between the upper and lower flanges.
According to a preferable scheme of the invention, the lower-layer enclosing purlin comprises a lower-layer enclosing purlin flange, lower-layer enclosing purlin connecting plates are respectively distributed at the upper end and the lower end of the lower-layer enclosing purlin flange, and the height of the lower-layer enclosing purlin is equal to that of the lower-layer plane frame.
As a preferred scheme of the invention, the lateral surfaces of the transverse flange, the longitudinal flange, the upper flange, the lower flange, the left flange and the right flange are all provided with flange holes; the purlin flange lower extreme is enclosed on the upper strata is provided with the flange hole, and the purlin flange upper and lower both ends are all provided with the flange hole to the lower floor.
As a preferred aspect of the present invention, the connection unit piece includes a male corner unit piece, a female corner unit piece, and a connection corner unit piece.
The beneficial effects of the invention are:
1. compared with the prior art, the bridge bearing platform with different sizes can be built by assembling the upper-layer unit elements, the lower-layer unit elements and the connecting unit elements with different numbers, so that one bearing platform is prevented from customizing a set of steel templates, the template utilization rate is improved, the cost is reduced, the stacking field is reduced, and the construction efficiency of the bridge bearing platform is greatly improved.
2. According to the upper-layer plane frame and the upper-layer surrounding purlin, the lower-layer plane frame and the lower-layer surrounding purlin are not connected to form independent unit pieces, and can be respectively loaded and shipped, so that the transportation space and the transportation cost can be greatly saved.
3. The connecting bolt for connecting the plane frame and the back edge can be disassembled, the components in the plane frame can be disassembled, the maintenance is convenient, the use is repeated, and meanwhile, the invention has the advantages of convenient construction and simple operation, and creates good economic benefit.
Drawings
FIG. 1 is a schematic structural view of an upper level planar frame according to the present invention;
FIG. 2 is a top plan view of the upper level planar frame of the present invention;
FIG. 3 is a side view of the upper level planar frame of the present invention;
FIG. 4 is a schematic structural view of an upper purlin of the present invention;
FIG. 5 is a side view of the upper purlin of the present invention;
FIG. 6 is a schematic view of the construction of the lower flat frame of the present invention;
FIG. 7 is a schematic view of the construction of the lower purlin of the present invention;
FIG. 8 is a side view of the lower purlin of the present invention;
FIG. 9 is a schematic structural view of an external corner unit piece according to the present invention;
FIG. 10 is a plan view of the male corner unit piece of the present invention;
FIG. 11 is a schematic structural view of an inside corner unit piece according to the present invention;
FIG. 12 is a top view of the female angle element of the present invention;
FIG. 13 is a schematic view illustrating the structure of a connecting angular unit piece according to the present invention;
FIG. 14 is a plan view of a connecting angular element according to the present invention;
reference numbers in the figures: upper level planar frame 11, upper level encloses purlin 12, lower floor planar frame 21, lower floor encloses purlin 22, external corner unit spare 31, internal corner unit spare 32, connect corner unit spare 33, horizontal flange 111, vertical flange 112, horizontal rib 113, lug 114, upper level encloses purlin flange 121, to pull rod notch 122, upper level encloses purlin connecting plate 123, upper and lower flange 211, left and right sides flange 212, frame horizontal rib 213, frame lug 214, lower floor encloses purlin flange 221, lower floor encloses purlin connecting plate 222, frame connecting hole 1131, encloses purlin connecting hole 1211, frame connecting hole 2131, lower floor encloses purlin connecting hole 2211.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 to 14, an assembled form for a bridge substructure includes upper unit pieces, lower unit pieces and connecting unit pieces, wherein the lower ends of the upper unit pieces are connected with the upper ends of the lower unit pieces by bolts, the upper unit pieces include upper plane frames 11 and upper surrounding purlins 12, the upper plane frames 11 and the upper surrounding purlins 12 are connected by bolts, and the upper unit pieces are connected with the corners of the upper unit pieces by the connecting unit pieces; the lower layer unit piece comprises a lower layer plane frame 21 and a lower layer surrounding purlin 22, the plane frame 21 and the lower layer surrounding purlin 22 are connected through bolts, and the lower layer unit piece are connected at the corner through a connecting unit piece. The connection unit piece includes a male angle unit piece 31, a female angle unit piece 32, and a connection angle unit piece 33.
Specifically, the upper-layer unit piece and the upper-layer unit piece in the same row, the lower-layer unit piece and the lower-layer unit piece in the same row, and the upper-layer unit piece and the lower-layer unit piece which are arranged up and down are connected through bolts. The width and height of the structure formed by assembling the upper layer unit pieces and the lower layer unit pieces are generally determined as multiples of the conventional modulus in bridge construction, and the adjusting blocks with the size below the minimum modulus can be properly added in the structure formed by assembling the upper layer unit pieces and the lower layer unit pieces to facilitate the construction of the assembled template.
The upper-layer plane frame 11 comprises a plurality of transverse ribs 113, a plurality of connecting holes 1131 are formed in the middle of the transverse ribs 113, the connecting holes 1131 correspond to surrounding purlin connecting holes 1211 formed in the upper-layer surrounding purlin 12 in a one-to-one mode, and the upper-layer plane frame 11 and the upper-layer surrounding purlin 12 are connected through the connecting holes 1131 and the surrounding purlin connecting holes 1211 through bolts.
The upper layer plane frame 11 comprises transverse flanges 111 and longitudinal flanges 112 which are symmetrically arranged, a plurality of transverse ribs 113 are arranged between the longitudinal flanges 112, and lifting lugs 114 are arranged between the transverse ribs 113 close to one side of the longitudinal flanges 112 and the longitudinal flanges 112, wherein the lifting lugs 114 increase the strength and stability of the upper layer plane frame 11.
Specifically, the transverse flange 111 and the longitudinal flange 112 are connected through bolts, the longitudinal flange 112 and the transverse rib 113 are connected through bolts, the lifting lug 114 is also connected with the transverse rib 113 and the longitudinal flange 112 through bolts, and the bolts between the components facilitate the consignment of the disassembled components; and secondly, the number of the transverse flanges 111 and the longitudinal flanges 112 in the upper-layer plane frame 11 is at least 2, the transverse flanges 111 and the longitudinal flanges 112 are sequentially connected into a closed structure through bolts, and the number of the transverse flanges 111 and the longitudinal flanges 112 used in the closed structure is determined according to the section size of the assembled template.
Purlin 12 is enclosed on the upper strata includes that purlin flange 121 is enclosed on the upper strata, purlin flange 121 upper end formation is enclosed to the pull rod notch 122 on the upper strata, purlin connecting plate 123 is enclosed on the upper strata to purlin flange 121 lower extreme has been laid on the upper strata, purlin connecting plate 123 is enclosed on the upper strata conveniently and is connected with lower floor's enclosing purlin 22 in the lower floor's plane frame 21.
The height dimension of the upper layer surrounding purlin 12 is larger than that of the upper layer plane frame 11. The purlin 12 is enclosed on the upper strata and surpasss the part of 11 heights of upper strata plane frame, encloses the tie rod notch 122 part that purlin 12 upper end set up for the upper strata promptly, encloses through the tie rod connection between the purlin 12 to tie rod notch 122 and the upper strata of assembled template closed cross-section offside, increases closed cross-section's stability.
The lower-layer plane frame 21 comprises a plurality of frame transverse ribs 213, a plurality of frame connecting holes 2131 are formed in the middle of the frame transverse ribs 213, the frame connecting holes 1131 are in one-to-one correspondence with lower-layer surrounding purlin connecting holes 2211 formed in the lower-layer surrounding purlin 22, and the lower-layer plane frame 21 and the lower-layer surrounding purlin 22 are connected through the frame connecting holes 1131 and the lower-layer surrounding purlin connecting holes 2211 through bolts.
The lower plane frame 21 comprises upper and lower flanges 211 symmetrically arranged and left and right flanges 212 symmetrically arranged, a plurality of frame cross ribs 213 are arranged between the left and right flanges 212, and a frame lifting lug 214 is arranged between the frame cross rib 213 close to one side of the upper and lower flanges 211 and the upper and lower flanges 211.
Specifically, the upper and lower flanges 211 and the left and right flanges 212 are connected through bolts, the left and right flanges 212 are connected with the frame cross rib 213 through bolts, the frame lifting lugs 214 are also connected with the frame cross rib 213 and the left and right flanges 212 through bolts, and the bolt connection among the components is convenient for consignment after the components are disassembled; and secondly, the number of the upper and lower flanges 211 and the left and right flanges 212 in the lower-layer plane frame 21 is at least 2, the upper and lower flanges 211 and the left and right flanges 212 are sequentially connected into a closed structure through bolts, and the number of the upper and lower flanges 211 and the left and right flanges 212 used in the closed structure is determined according to the section size of the assembled template.
Meanwhile, the connecting holes 1131, the enclosing purlin connecting holes 1211, the frame connecting holes 1131 and the lower-layer enclosing purlin connecting holes 2211 are all round holes, so that the parts can be conveniently and accurately positioned and connected.
Specifically, H-shaped steel is all selected for use by the transverse rib 113 and the frame transverse rib 213, H-shaped steel is all selected for use by the purlin 12 on the upper layer and the purlin 22 on the lower layer, H-shaped steel is compared with rolling I-shaped steel, and the inner side of the flange is a plane, so that the bolt is convenient to install.
The lateral sides of the transverse flange 111, the longitudinal flange 112, the upper and lower flanges 211, the left and right flanges 212 are all provided with flange holes; purlin flange 121 lower extreme is enclosed on the upper strata and is provided with the flange hole, and the upper and lower both ends of purlin flange 221 are enclosed to the lower floor all are provided with the flange hole, and wherein the flange hole is the slotted hole, easy to assemble and dismantlement.
The external corner unit piece 31 in the connecting unit piece is used for a structure with an external corner, and two sides of the connecting unit piece are respectively connected with the main layer unit piece at the corner; the internal corner unit element 32 in the connecting unit element is used for a structure with an internal corner, and two sides of the internal corner unit element are respectively connected with the unit element at the corner; the connecting corner unit pieces 33 among the connecting unit pieces are used for four corners of a rectangular structure, and are at least four pieces.
Specifically, the upper and lower plane frames 11 and 21 have the same structure, the upper and lower unit elements are connected by a transverse flange 111 and flange holes of upper and lower flanges 211, the upper and lower unit elements are connected by a flange hole of a longitudinal flange 112, the lower unit elements are connected by a flange hole of a left and right flange 212, the height and the width of the template are increased after the upper and lower unit elements are connected, and the length and the width of the template are increased by the connection of the upper and lower unit elements in the same row, the lower and lower unit elements in the same row and the corners of the unit elements in each layer.
The embodiment is as follows:
the upper-layer plane frame 11 and the upper-layer purlin 12 are connected into a whole through the connecting hole 1131 and the purlin connecting hole 1211 by bolts to form an upper-layer unit element, wherein the pull rod notch 122 is upward required in the connection process of the upper-layer purlin 12 and the upper-layer plane frame 11, so that subsequent pull rods can be conveniently connected; similarly, the lower-layer plane frame 21 and the lower-layer surrounding purlin 22 are bolted into a whole through the frame connecting hole 1131 and the lower-layer surrounding purlin connecting hole 2211 to form a lower-layer unit piece, wherein the lower part of the lower-layer unit piece can be continuously connected with the lower-layer unit piece.
Respectively calculating the number of required upper-layer unit elements, required lower-layer unit elements and required various connecting unit elements according to the length, the width and the height of the bridge bearing platform; then, the lower unit pieces are assembled, the lower unit pieces are connected in pairs through the left and right flanges 212, and the corner parts select proper connecting unit pieces, namely, the male corner unit piece 31, the female corner unit piece 32 and the connecting corner unit piece 33 to form a rectangular structure, and respectively form the length and the width of the bearing platform to form the lower structure of the bearing platform. And assembling the upper layer structure of the bearing platform in the same way. And finally, splicing the upper layer structure and the lower layer structure according to the height of the bearing platform so as to meet the height requirement of the bearing platform. Note that the total height of the assembly can only be higher than the height of the bearing platform, and the raised part can control the elevation of the top surface of the bearing platform during concrete pouring.
When the assembled template provided by the embodiment is delivered to a construction site from a steel structure manufacturing factory, the upper-layer plane frame 11 and the upper-layer surrounding purlin 12 are not connected, and the lower-layer plane frame 21 and the lower-layer surrounding purlin 22 are independent unit pieces and can be respectively loaded and delivered, so that the transportation space and the transportation cost can be greatly saved.
When the assembled template that this embodiment provided is recycled, demolish the connecting bolt that plane frame and back of the body stupefied are connected, can be with the whole split of template as independent unit, recycle respectively.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: upper level plane frame 11, upper level encloses purlin 12, lower floor plane frame 21, lower floor encloses purlin 22, external corner unit piece 31, internal corner unit piece 32, connection corner unit piece 33, horizontal flange 111, longitudinal flange 112, horizontal rib 113, lug 114, upper level encloses purlin flange 121, to pull rod notch 122, upper level encloses purlin connecting plate 123, upper and lower flange 211, left and right flanges 212, frame horizontal rib 213, frame lug 214, lower floor encloses purlin flange 221, lower floor encloses purlin connecting plate 222, frame connecting hole 1131, enclose purlin connecting hole 1211, frame connecting hole 2131, lower floor encloses purlin connecting hole 2211
Etc. but does not exclude the possibility of using other terms; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.
Claims (10)
1. An assembled formwork for a bridge substructure, comprising an upper unit piece, a lower unit piece and a connecting unit piece, a lower end of the upper unit piece being connected with an upper end of the lower unit piece by a bolt, characterized in that: the upper-layer unit element comprises an upper-layer plane frame (11) and an upper-layer surrounding purlin (12), the upper-layer plane frame (11) and the upper-layer surrounding purlin (12) are connected through bolts, and the upper-layer unit element is connected with the corner of the upper-layer unit element through a connecting unit element; the lower-layer unit piece comprises a lower-layer plane frame (21) and a lower-layer surrounding purlin (22), the plane frame (21) and the lower-layer surrounding purlin (22) are connected through bolts, and the lower-layer unit piece are connected at the corners through connecting unit pieces.
2. The fabricated formwork for a bridge substructure according to claim 1, wherein: the upper-layer plane frame (11) comprises a plurality of transverse ribs (113), a plurality of connecting holes (1131) are formed in the middle of each transverse rib (113), the connecting holes (1131) are in one-to-one correspondence with surrounding purlin connecting holes (1211) formed in an upper-layer surrounding purlin (12), and the upper-layer plane frame (11) and the upper-layer surrounding purlin (12) are connected through the connecting holes (1131) and the surrounding purlin connecting holes (1211) through bolts.
3. The fabricated formwork for a bridge substructure according to claim 2, characterized in that the upper planar framework (11) comprises symmetrically arranged transverse flanges (111) and symmetrically arranged longitudinal flanges (112), a plurality of transverse ribs (113) are arranged between the longitudinal flanges (112), and lifting lugs (114) are arranged between the transverse ribs (113) and the longitudinal flanges (112) on one side close to the longitudinal flanges (112).
4. A fabricated formwork for a bridge substructure according to claim 3, characterized in that: the upper-layer enclosing purlin (12) comprises an upper-layer enclosing purlin flange (121), a tie rod notch (122) is formed in the upper end of the upper-layer enclosing purlin flange (121), and an upper-layer enclosing purlin connecting plate (123) is arranged at the lower end of the upper-layer enclosing purlin flange (121).
5. The fabricated formwork for a bridge substructure according to claim 4, wherein: the height dimension of the upper layer surrounding purlin (12) is larger than that of the upper layer plane frame (11).
6. The fabricated formwork for a bridge substructure according to claim 1, wherein: the lower-layer plane frame (21) comprises a plurality of frame transverse ribs (213), a plurality of frame connecting holes (2131) are formed in the middle of each frame transverse rib (213), the frame connecting holes (1131) correspond to lower-layer surrounding purlin connecting holes (2211) formed in the lower-layer surrounding purlin (22) in a one-to-one mode, and the lower-layer plane frame (21) and the lower-layer surrounding purlin (22) are connected through the frame connecting holes (1131) and the lower-layer surrounding purlin connecting holes (2211) through bolts.
7. The fabricated formwork for a bridge substructure according to claim 6, wherein: the lower-layer plane frame (21) comprises upper and lower flanges (211) which are symmetrically arranged and left and right flanges (212) which are symmetrically arranged, a plurality of frame transverse ribs (213) are arranged between the left and right flanges (212), and a frame lifting lug (214) is arranged between the frame transverse rib (213) close to one side of the upper and lower flanges (211) and the upper and lower flanges (211).
8. The fabricated formwork for a bridge substructure according to claim 7, wherein: purlin (22) are enclosed to lower floor includes that the purlin flange (221) are enclosed to the lower floor, purlin connecting plate (222) are enclosed to the lower floor has been laid respectively at the upper and lower both ends of purlin flange (221) are enclosed to the lower floor, the height dimension that purlin (22) were enclosed to the lower floor equals the height dimension of lower floor's plane frame (21).
9. A fabricated formwork for a bridge substructure according to claim 3, characterized in that: the lateral surfaces of the transverse flange (111), the longitudinal flange (112), the upper and lower flanges (211), and the left and right flanges (212) are provided with flange holes; the lower end of the purlin flange (121) on the upper layer is provided with flange holes, and the upper end and the lower end of the purlin flange (221) on the lower layer are provided with flange holes.
10. The fabricated formwork for a bridge substructure according to claim 1, wherein: the connecting unit piece comprises an external corner unit piece (31), an internal corner unit piece (32) and a connecting corner unit piece (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766307.7A CN114922218A (en) | 2022-07-01 | 2022-07-01 | Assembled template for bridge substructure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766307.7A CN114922218A (en) | 2022-07-01 | 2022-07-01 | Assembled template for bridge substructure |
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|---|---|
| CN114922218A true CN114922218A (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210766307.7A Pending CN114922218A (en) | 2022-07-01 | 2022-07-01 | Assembled template for bridge substructure |
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