CN111778863B - Cantilever beam steel formwork system with adjustable cross slope - Google Patents
Cantilever beam steel formwork system with adjustable cross slope Download PDFInfo
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- CN111778863B CN111778863B CN202010696356.9A CN202010696356A CN111778863B CN 111778863 B CN111778863 B CN 111778863B CN 202010696356 A CN202010696356 A CN 202010696356A CN 111778863 B CN111778863 B CN 111778863B
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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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Abstract
The invention relates to a cross slope adjustable cantilever beam steel template system, wherein a first gap allowing a flange plate template to rotate is formed at the joint of the flange plate template and an outer web plate template; the joint of the inner top plate template and the inner web plate template is provided with a second notch allowing the inner web plate template to rotate, the inner die support comprises an inner top die support and an inner side die support, the inner top die support is hinged to the inner side die support, the upper end of the inner top die support supports the inner top plate template, the lower end of the inner top die support is connected with a hanging basket hanging strip, and the hanging basket hanging strip pulls the inner top die support to swing to adjust the cross slope of the hanging basket hanging strip. The technical problem that the existing cantilever beam formwork cannot adjust the cantilever beam cross slope according to actual needs is solved.
Description
Technical Field
The invention relates to the field of building construction, in particular to a cross slope adjustable suspension casting beam steel formwork system.
Background
In bridge construction, the prestressed concrete cantilever beam is generally positioned on a straight line or a circle, and the transverse slope of the cantilever beam is fixed, so that the plane of the transverse slope of the template is fixedly arranged, and the adjustment is not needed in the process. However, in some bridges, the cantilever beam needs to be provided with a reverse curve due to special reasons, and the cantilever beam cross slope is constantly changed, so that the cantilever beam cross slope can be conveniently, quickly and accurately adjusted to be a great problem.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a cross slope adjustable cantilever beam steel template system and solves the technical problem that the existing cantilever beam template can not adjust the cross slope of a cantilever beam according to actual needs.
The purpose of the invention is realized by the following technical scheme:
a cross slope adjustable cantilever beam steel template system comprises an outer template, an inner template, a bottom template, an outer template support and an inner template support, wherein the outer template comprises a flange plate template and an outer web plate template;
a first notch allowing the flange plate template to rotate is formed at the joint of the flange plate template and the outer web plate template, the outer mold support comprises an outer mold fixing support and a flange plate movable support, the flange plate movable support is fixed on the lower side of the flange plate template, the flange plate movable support is connected with the outer mold fixing support through an outer mold adjusting mechanism, and the outer mold adjusting mechanism is used for adjusting the cross slope of the flange plate movable support;
the inner top plate formwork and the inner web formwork are provided with a second notch allowing the inner web formwork to rotate at the joint, the inner formwork support comprises an inner top formwork support and an inner side formwork support, the inner top formwork support is hinged to the inner side formwork support, the inner top formwork support is supported at the upper end of the inner top formwork support, a hanging basket hanging strip is connected to the lower end of the inner top formwork support, and the hanging basket hanging strip pulls the inner top formwork support to swing to adjust the cross slope of the inner top formwork support.
As an embodiment of the invention, the outer die adjusting mechanism comprises a plurality of adjusting screws and adjusting nuts, two adjusting nuts are screwed on each adjusting screw, the adjusting screws are vertically arranged, the upper ends of the adjusting screws are hinged with the flange plate movable support, the lower ends of the adjusting screws penetrate into the outer die fixing frame, the adjusting screws are fixed on the outer die fixing frame through the two adjusting nuts, and the heights of the adjusting screws can be adjusted by rotating the adjusting nuts, so that the cross slope of the flange plate movable support is adjusted.
As an embodiment of the present invention, the inner side formwork support includes a top plate support bar and a side plate support bar, the top plate support bar is used for supporting the inner top plate formwork, the side plate support bar is used for supporting the inner web formwork, and the top plate support bar and the side plate support bar are not in contact with each other;
the lower end of the top plate supporting rod is connected with a vertical rod, a first supporting screw rod penetrates through the vertical rod, the first supporting screw rods are hinged with the side plate supporting rods, and each first supporting screw rod is clamped and fixed on the vertical rod through two first supporting nuts; a second support screw rod penetrates through the vertical rod and is hinged with the inner top die support, a second support nut is screwed on the second support screw rod, and the second support nut abuts against one side, facing the inner top die support, of the vertical rod;
the top plate supporting rod is hinged with the inner top die support.
As an embodiment of the present invention, the inner roof formwork support includes an upper support rod, a connecting rod, and a lower support rod, the upper end of the upper support rod supports the inner roof formwork, the lower support rod is located below the upper support rod, and the upper support rod and the lower support rod are connected by the connecting rod; go up the bracing piece with it is articulated through the hinge between the roof bracing piece, the lower support bar with the second supporting screw is articulated.
As an embodiment of the invention, the inner top die support comprises a left inner top die support and a right inner top die support which are arranged in bilateral symmetry, an inner top die support connecting plate is connected between the left inner top die support and the right inner top die support, and the left end and the right end of the inner top die support connecting plate are respectively connected and fixed with the left inner top die support and the right inner top die support through bolts; and a plurality of adjusting holes which are transversely arranged are formed in the connecting plate of the inner top die support, and the distance between the left inner top die support and the right inner top die support is adjusted by enabling the bolts to penetrate through different adjusting holes.
As an embodiment of the present invention, a counter-pulling screw rod is inserted between the inner web template and the outer web template, and two ends of the counter-pulling screw rod are provided with connecting nuts respectively located at the outer sides of the inner web template and the outer web template.
As an embodiment of the present invention, the outer mold fixing bracket includes an outer web template bracket, a flange plate lower fixing bracket and a flange plate upper fixing bracket, the outer web template bracket supports the outer side of the outer web template, the flange plate lower fixing bracket is fixedly connected to the outer side of the outer web template bracket, and the flange plate upper fixing bracket is fixed to the upper ends of the outer web template bracket and the flange plate lower fixing bracket.
The invention has the following beneficial effects: the invention provides a cross slope adjustable suspension casting beam steel template system, wherein a flange plate template is supported by a flange plate movable support, an outer mold adjusting mechanism is arranged between the flange plate movable support and an outer mold fixed support, the cross slope of the flange plate movable support can be adjusted through the outer mold adjusting mechanism, and a first notch allowing the flange plate template to rotate is arranged at the joint of the flange plate template and an outer web plate template, namely when the cross slope of the flange plate movable support changes, the cross slope of the flange plate template changes along with the change of the cross slope; the inner top plate template is supported by the inner top template support, the inner top template support is hinged with the inner side template support, and the joint of the inner web template and the inner top plate template is provided with a second notch, so that one side of the inner top template support can be rotated to adjust the cross slope of the inner top template support through the hanging basket hanging strip, and the cross slope of the inner top template also changes along with the change of the cross slope of the inner top template support as the inner top plate template is fixed on the inner top template support. When adjusting the transverse slope of flange board template and interior roof template, the flange board template can rotate outer web template relatively, and interior roof template can rotate interior web template relatively, consequently, can make the web of hanging the roof beam of watering be in the vertical state, guarantees that its compressive capacity is not influenced. By the steel formwork system, the cross slope of the cantilever beam can be conveniently, quickly and accurately adjusted at any time according to actual needs in the using process, and the steel formwork system is simple in structure, can be recycled and has good economy.
Drawings
FIG. 1 is a schematic structural view of a cross-slope adjustable cantilever beam steel formwork system of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an enlarged view of region B of FIG. 1;
FIG. 4 is an enlarged schematic view of region C of FIG. 1;
FIG. 5 is a schematic structural view of an inner mold support of the present invention;
FIG. 6 is a schematic structural view of the cross-slope adjustable cantilever beam steel formwork system of the present invention after cross-slope adjustment;
fig. 7 is a schematic structural view of the cross-slope adjustable cantilever beam steel formwork system of the present invention when disassembled.
The specific structure in the figure illustrates that: 11 flange plate templates, 12 outer web templates, 13 first notches, 21 inner top plate templates, 22 inner web templates, 23 second notches, 3 outer mold supports, 31 outer mold fixing supports, 311 outer web template supports, 312 flange plate lower fixing supports, 313 flange plate upper fixing supports, 32 flange plate movable supports, 4 inner mold supports, 41 inner top mold supports, 411 upper supporting rods, 412 lower supporting rods, 413 connecting rods, 414 second supporting screws, 415 second supporting nuts, 416 left inner top mold supports, 417 right inner top mold supports, 418 inner top mold support connecting plates, 419 adjusting holes, 42 inner side mold supports, 421 top plate supporting rods, 422 side plate supporting rods, 423 upright rods, 424 first supporting screws, 425 first supporting nuts, 43 hinges, 5 outer mold adjusting mechanisms, 51 adjusting screws, 52 adjusting nuts, 6 hanging baskets, 7 counter-pulling screws.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1, the cross-slope adjustable cantilever beam steel formwork system comprises an outer formwork, an inner formwork, a bottom formwork, an outer formwork support 3 and an inner formwork support 4, wherein the outer formwork comprises a flange plate formwork 11 and an outer web plate formwork 12, the inner formwork comprises an inner top plate formwork 21 and an inner web plate formwork 22, the outer formwork support 3 is used for supporting the outer formwork, and the inner formwork support 4 is used for supporting the inner formwork;
referring to fig. 3, a first gap 13 allowing the flange plate formwork 11 to rotate is formed at the joint of the flange plate formwork 11 and the outer web formwork 12, so that the flange plate formwork 11 can be rotationally swung at a certain angle while the outer web formwork 12 is kept vertical, the outer formwork support 3 comprises an outer formwork fixed support 31 and a flange plate movable support 32, the flange plate movable support 32 is fixed at the lower side of the flange plate formwork 11, the flange plate movable support 32 is connected with the outer formwork fixed support 31 through an outer formwork adjusting mechanism 5, and the outer formwork adjusting mechanism 5 is used for adjusting the transverse slope of the flange plate movable support 32; therefore, the cross slope of the flange plate movable support 32 can be adjusted through the outer mold adjusting mechanism 5, and the joint of the flange plate mold plate 11 and the outer web plate mold plate 12 is provided with the first notch 13 allowing the flange plate mold plate 11 to rotate, that is, when the cross slope of the flange plate movable support 32 changes, the cross slope of the flange plate mold plate 11 changes;
referring to fig. 2, a second gap 23 allowing the inner web template 22 to rotate is formed at a joint of the inner top plate template 22 and the inner web template 22, the inner mold support 4 includes an inner top mold support 41 and an inner side mold support 42, the inner top mold support 41 is hinged to the inner side mold support 42, the inner top plate template 21 is supported by the upper end of the inner top mold support 41, the lower end of the inner top mold support 41 is connected with a basket hanging strip 6, and the basket hanging strip 6 pulls the inner top mold support 41 to swing to adjust a transverse slope thereof. The inner top plate template 21 is supported by an inner top plate bracket 41, the inner top plate bracket 41 is hinged with an inner side plate bracket 42, and a second notch 23 is formed at the joint of the inner web plate template 22 and the inner top plate template 21, so that one side of the inner top plate bracket 41 can be pulled by the hanging basket hanging strip 6 to rotate so as to adjust the cross slope of the inner top plate template 21, and the inner top plate template 21 is fixed on the inner top plate bracket 41, namely when the cross slope of the inner top plate bracket 41 is changed, the cross slope of the inner top plate template 21 is changed.
For easy understanding, in this embodiment, an example of adjusting the cross slope is illustrated, and referring to fig. 6, when it is required that the suspended cast beam bridge deck inclines to the left, the left side needs to be pressed down, and the right side needs to be lifted up, at this time, for the flange plate formwork 11 on the left side, the adjusting screw 51 on the left end of the flange plate formwork is adjusted downward, so that the left side is lowered; for the right flange plate template, the adjusting screw 51 at the right end needs to be adjusted upwards to lift the right end of the flange plate template; for the inner formwork, the whole inner formwork needs to be inclined towards the left side, the hanging basket sling 6 on the right side is driven to pull upwards to lift the right side of the inner formwork, the hanging basket sling needs to be driven to pull upwards the whole outer formwork and the outer formwork support on the right side while the right side of the inner formwork is pulled, then the included angle between the inner web formwork 22 on the left side and the included angle between the inner web formwork 22 on the right side and the inner top plate formwork 21 are adjusted, and the inner web formwork 22 is made to approach or be in a vertical state.
As an embodiment of the present invention, the outer mold adjusting mechanism 5 includes a plurality of adjusting screws 51 and adjusting nuts 52, each adjusting screw 51 is screwed with two adjusting nuts 52, the adjusting screw 51 is vertically disposed, the upper end of the adjusting screw 51 is hinged to the movable flange plate support 32, the lower end of the adjusting screw 51 penetrates into the outer mold fixing frame 31, the adjusting screw 51 is fixed on the outer mold fixing frame 31 through the two adjusting nuts 52, and the height of the adjusting screw 51 can be adjusted by rotating the adjusting nut 52, so as to adjust the cross slope of the movable flange plate support 32. The outer die adjusting structure 5 is simple in structure and convenient and quick to adjust, and when the outer die adjusting structure needs to be adjusted, the height of each adjusting screw 51 corresponds to a proper position only by turning the adjusting nut 52, namely, the cross slope of the flange plate template 11 is adjusted to meet the construction requirements.
As an embodiment of the present invention, referring to fig. 2 and 5, the inner mold support includes a top plate support rod 421 and a side plate support rod 422, the top plate support rod 421 is used to support the inner top plate formwork 21, the side plate support rod 422 is used to support the inner web formwork 22, and the top plate support rod 421 and the side plate support rod 422 are not in contact with each other; the lower end of the top plate supporting rod 421 is connected with a vertical rod 423, a first supporting screw 424 penetrates through the vertical rod 423, the first supporting screw 424 is hinged with the side plate supporting rod 422, and each first supporting screw 424 is clamped and fixed on the vertical rod 423 through two first supporting nuts 425; a second support screw 414 is further arranged through the vertical rod 423, the second support screw 414 is hinged to the inner top die support 41, a second support nut 415 is screwed on the second support screw 414, and the second support nut 415 abuts against one side, facing the inner top die support 41, of the vertical rod 423; the roof support bar 421 is hinged 43 to the inner roof support.
After a section of cantilever beam is poured, the steel template needs to be translated forwards to the next pouring section along the length direction of the cantilever beam, and when the inner template is translated, the inner template cannot be translated directly due to the fact that the periphery of the inner template abuts against the concrete. To solve this problem, referring to fig. 7, in this embodiment, the second supporting nut 415 may be turned inward to separate from the upright 423, at this time, the entire inner formwork support 42 may rotate inward around the hinge 43, at this time, the formwork connected to the inner formwork support 42 may rotate inward along with the inner formwork support 42 to separate from the contact with the concrete, and thereafter, the entire inner formwork and the inner formwork support 4 may be easily translated. Consequently, in this embodiment, when with interior template and centre form support 4 translation, only need carry on simple demolish the work after rotatory with interior side form support 42, can loosen the interior template, when building next section of pouring section template, carry on simple concatenation again can, need not to dismantle the back completely to whole interior template and centre form support 4 and just can its translation, consequently, this embodiment has the advantage such as practicing thrift the manpower, improvement efficiency of construction.
Referring to fig. 2, as an embodiment of the present invention, the inner ceiling mold support 41 includes an upper support rod 411, a connection rod 413, and a lower support rod 412, the upper end of the upper support rod 413 supports the inner ceiling mold 21, the lower support rod 412 is located below the upper support rod 413, and the upper support rod 411 and the lower support rod 412 are connected by the connection rod 413; the upper supporting rod 411 is hinged to the top plate supporting rod 421 through a hinge 43, and the lower supporting rod 412 is hinged to the second supporting screw 414.
As an embodiment of the present invention, the inner top die support 41 includes a left inner top die support 416 and a right inner top die support 417 which are arranged bilaterally symmetrically, an inner top die support connecting plate 418 is connected between the left inner top die support 416 and the right inner top die support 417, and the left end and the right end of the inner top die support connecting plate 418 are respectively connected and fixed with the left inner top die support 416 and the right inner top die support 417 through bolts; a plurality of adjusting holes 419 are arranged on the connecting plate 418 of the inner top die bracket in a transverse direction, and the distance between the left inner top die bracket 416 and the right inner top die bracket 417 is adjusted by passing the bolts through different adjusting holes 419. Therefore, the total width of the inner roof die carrier 41 can be adjusted by adjusting the distance between the left inner roof die carrier 416 and the right inner roof die carrier 417, i.e., the inner die carrier 4 can be made to adapt to the width of different inner roof die plates.
As an embodiment of the present invention, a tie screw 7 is inserted between the inner web template 22 and the outer web template 12, and connecting nuts are disposed at two ends of the tie screw 7 and are respectively located at the outer sides of the inner web template 22 and the outer web template 12. The inner web template 22 and the outer web template 12 can be connected and fixed through the oppositely pulling screw 7, when the cross slope of the inner top plate template 21 is adjusted, the oppositely pulling screw 7 needs to be dismounted firstly to ensure that the inner web template 22 has enough space for moving up or down, after the cross slope is adjusted, a through hole allowing the oppositely pulling screw 7 to pass is formed in the inner web template 22 or the outer web template 12 again, and the oppositely pulling screw 7 needs to be horizontally arranged.
As an embodiment of the present invention, the outer mold fixing bracket 31 includes an outer web mold bracket 311, a flange plate lower fixing bracket 312, and a flange plate upper fixing bracket 313, the outer web mold bracket 311 supports the outer side of the outer web mold 12, the flange plate lower fixing bracket 312 is fixedly connected to the outer side of the outer web mold bracket 311, and the flange plate upper fixing bracket 313 is fixed to the upper ends of the outer web mold bracket 311 and the flange plate lower fixing bracket 312. Outer web template support 311 can support outer web template 12, sets up the stable connection between flange board lower fixing support 312 and outer web template support 311 of flange board upper fixing support 313 can strengthen, connects its lower structure simultaneously and gives the stable support of flange board template 11, and whole outer mould fixed bolster 31 sound construction is reliable, and stability is strong.
The above description is only a preferred embodiment of the present invention, but not intended to limit the scope of the invention, and all simple equivalent changes and modifications made in the claims and the description of the invention are within the scope of the invention.
Claims (6)
1. The utility model provides an adjustable cross slope's suspension casting roof beam steel formwork system, includes exterior sheathing, interior template, die block board, external mold support and centre form support, the exterior sheathing includes flange board template and outer web template, the interior template includes interior roof template and interior web template, external mold support is used for supporting the exterior sheathing, the centre form support is used for supporting interior template, its characterized in that:
a first notch allowing the flange plate template to rotate is formed at the joint of the flange plate template and the outer web plate template, the outer mold support comprises an outer mold fixing support and a flange plate movable support, the flange plate movable support is fixed on the lower side of the flange plate template, the flange plate movable support is connected with the outer mold fixing support through an outer mold adjusting mechanism, and the outer mold adjusting mechanism is used for adjusting the cross slope of the flange plate movable support;
a second gap allowing the inner web template to rotate is formed at the joint of the inner top plate template and the inner web template, the inner mold support comprises an inner top mold support and an inner side mold support, the inner top mold support is hinged with the inner side mold support, the inner top plate template is supported at the upper end of the inner top mold support, a hanging basket hanging belt is connected to the lower end of the inner top mold support, and the hanging basket hanging belt pulls the inner top mold support to swing to adjust the cross slope of the inner top mold support;
the inner side die support comprises a top plate supporting rod and a side plate supporting rod, the top plate supporting rod is used for supporting the inner top plate die plate, the side plate supporting rod is used for supporting the inner web plate die plate, and the top plate supporting rod is not in contact with the side plate supporting rod;
the lower end of the top plate supporting rod is connected with a vertical rod, a first supporting screw rod penetrates through the vertical rod, the first supporting screw rods are hinged with the side plate supporting rods, and each first supporting screw rod is clamped and fixed on the vertical rod through two first supporting nuts; a second support screw rod penetrates through the vertical rod and is hinged with the inner top die support, a second support nut is screwed on the second support screw rod, and the second support nut abuts against one side, facing the inner top die support, of the vertical rod;
the top plate supporting rod is hinged with the inner top die support.
2. The cross-slope adjustable cantilever beam steel formwork system of claim 1, wherein:
the outer die adjusting mechanism comprises a plurality of adjusting screw rods and adjusting nuts, each adjusting screw rod is connected with two adjusting nuts in a threaded mode, the adjusting screw rods are vertically arranged, the upper ends of the adjusting screw rods are hinged to the flange plate movable support, the lower ends of the adjusting screw rods penetrate into the outer die fixed support, the adjusting screw rods are fixed to the outer die fixed support through the two adjusting nuts, the heights of the adjusting screw rods can be adjusted by rotating the adjusting nuts, and therefore the cross slope of the flange plate movable support can be adjusted.
3. The cross-slope adjustable cantilever beam steel formwork system of claim 1, wherein:
the inner top die support comprises an upper support rod, a connecting rod and a lower support rod, the upper end of the upper support rod supports the inner top die plate, the lower support rod is positioned below the upper support rod, and the upper support rod is connected with the lower support rod through the connecting rod; go up the bracing piece with it is articulated through the hinge between the roof bracing piece, the lower support bar with the second supporting screw is articulated.
4. The cross-slope adjustable cantilever beam steel formwork system of claim 1, wherein:
the inner top die support comprises a left inner top die support and a right inner top die support which are arranged in a bilateral symmetry mode, an inner top die support connecting plate is connected between the left inner top die support and the right inner top die support, and the left end and the right end of the inner top die support connecting plate are respectively connected and fixed with the left inner top die support and the right inner top die support through bolts; and a plurality of adjusting holes which are transversely arranged are formed in the connecting plate of the inner top die support, and the distance between the left inner top die support and the right inner top die support is adjusted by enabling the bolts to penetrate through different adjusting holes.
5. The cross-slope adjustable cantilever beam steel formwork system of claim 1, wherein:
the inner web template and the outer web template are provided with opposite-pulling screw rods in a penetrating mode, two ends of each opposite-pulling screw rod are provided with connecting screw caps, and the connecting screw caps are respectively located on the outer sides of the inner web template and the outer web template.
6. The cross-slope adjustable cantilever beam steel formwork system of claim 2, wherein:
the outer die fixing support comprises an outer web template support, a flange plate lower fixing support and a flange plate upper fixing support, the outer web template support supports the outer side of the outer web template, the flange plate lower fixing support is fixedly connected to the outer side of the outer web template support, and the flange plate upper fixing support is fixed to the outer web template support and the upper end of the flange plate lower fixing support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010696356.9A CN111778863B (en) | 2020-07-20 | 2020-07-20 | Cantilever beam steel formwork system with adjustable cross slope |
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| CN202010696356.9A CN111778863B (en) | 2020-07-20 | 2020-07-20 | Cantilever beam steel formwork system with adjustable cross slope |
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| CN113308971A (en) * | 2021-05-21 | 2021-08-27 | 中铁十六局集团第三工程有限公司 | Box girder template |
| CN113529584B (en) * | 2021-07-29 | 2022-03-08 | 中铁一局集团(广州)建设工程有限公司 | Telescopic adjusting internal mold for prestressed concrete cable-stayed bridge construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101324056B (en) * | 2008-08-06 | 2011-01-12 | 中铁大桥局股份有限公司 | Upside suspension type moving die carrier |
| CN201693658U (en) * | 2010-06-28 | 2011-01-05 | 中铁二十局集团有限公司 | Simply supported box girder forming template |
| CN203712840U (en) * | 2014-03-11 | 2014-07-16 | 中铁十七局集团第四工程有限公司 | Small box girder concrete pouring mold |
| KR200479355Y1 (en) * | 2015-07-15 | 2016-01-19 | 케이블텍 주식회사 | The formwork of PSC box girder that is installed struts |
| CN105648915B (en) * | 2015-12-31 | 2017-06-23 | 中国葛洲坝集团第五工程有限公司 | The cradle construction device of asymmetric arc variable cross-section thin wing slab box beam |
| CN109056535B (en) * | 2018-08-09 | 2020-10-23 | 杭州江润科技有限公司 | Variable-curvature cast-in-situ box girder construction method based on adjustable stereotyped template |
| CN209397503U (en) * | 2018-10-29 | 2019-09-17 | 中铁二十五局集团第一工程有限公司 | A kind of novel cast-in-situ box girder formwork erecting structure |
| CN209145335U (en) * | 2018-11-15 | 2019-07-23 | 山东科技大学 | Kerb slope apparatus that is detachable and adjusting height |
| CN209741669U (en) * | 2018-11-21 | 2019-12-06 | 中交路桥北方工程有限公司 | Adjusting device of case roof beam template cross slope |
| CN210061518U (en) * | 2019-04-12 | 2020-02-14 | 中交四公局第六工程有限公司 | Prefabricated T roof beam template of adjustable cross slope |
| CN110847050B (en) * | 2019-11-26 | 2021-01-22 | 中交一公局第六工程有限公司 | Large-span prefabricated corrugated steel web composite beam top and bottom plate synchronous pouring template and application method thereof |
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