CN211645948U - Steel-concrete combined beam - Google Patents
Steel-concrete combined beam Download PDFInfo
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- CN211645948U CN211645948U CN201922369513.0U CN201922369513U CN211645948U CN 211645948 U CN211645948 U CN 211645948U CN 201922369513 U CN201922369513 U CN 201922369513U CN 211645948 U CN211645948 U CN 211645948U
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- 239000004567 concrete Substances 0.000 title claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 118
- 239000010959 steel Substances 0.000 claims abstract description 118
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 4
- 239000011087 paperboard Substances 0.000 claims description 4
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 19
- 238000003466 welding Methods 0.000 description 5
- 239000011178 precast concrete Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a steel-concrete composite beam relates to bridge engineering technical field. The utility model discloses lay on the pier, include: a bed bottom plate; be provided with the first prop post of bed-jig, bed-jig second prop post and school position supporter on the bed-jig bottom plate, be provided with the bed-jig fagging on the school position supporter, be provided with the step supporter between bed-jig fagging and the bed-jig bottom plate, first prop the post top and be provided with the bed-jig back timber, be equipped with the steel box bottom plate on the bed-jig fagging, steel box bottom plate both sides are equipped with the steel box curb plate, all are equipped with perpendicular baffle on steel box bottom plate and the steel box curb plate, are connected with the cross slab between a plurality of perpendicular. The utility model controls the plane position of the steel box bottom plate through the position correction support body, the step support body and the jig support plate, thereby reducing the difficulty of the position limitation of the steel box bottom plate; and simultaneously, the utility model discloses a prop the position of post side lever and prop the position of post adjusting bolt control steel case curb plate, inject the vertical position of erecting the baffle through accuse position diaphragm, improved the steel case curb plate and erected the degree of accuracy of baffle location.
Description
Technical Field
The utility model relates to a can reduce the degree of difficulty that steel case bottom plate position was injectd, improve the steel case curb plate and erect baffle positioning accuracy, promote concrete placement efficiency of construction's steel-concrete composite beam belongs to the bridge engineering field, is applicable to steel pipe concrete box girder bridge installation engineering.
Background
The steel-concrete composite bridge has the characteristics of light weight, high strength, energy conservation, environmental protection, excellent earthquake resistance and whole life cycle and the like, and is a type of bridge suitable for various landforms and social environments. However, in the construction of the steel-concrete composite beam, the limitation of the position of the bottom plate of the steel box, the support quality of the bottom plate of the top plate of the steel box, the concrete pouring construction quality and the like are often difficult points for the control of the construction site.
In the prior art, a post-bonded steel-concrete composite beam applied with prestress is provided, which is characterized in that: comprises a concrete slab, a steel beam and a shear nail; the concrete slab comprises a precast concrete slab, prestressed tendons, a longitudinal wet joint and a transverse glued joint; a plurality of prestressed tendons are longitudinally arranged in the precast concrete slab, the steel beams are arranged below the longitudinal wet joints, and a plurality of shear nails are fixed in the longitudinal wet joints and above the steel beams; the precast concrete plates are firstly connected by gluing through the transverse glue joints; tensioning the prestressed tendons after the gluing is finished; and after tensioning is finished, pouring the longitudinal wet joint on two transverse sides of the precast concrete plate for wet connection. The invention overcomes the problem that the prestress of the concrete bridge deck is transferred to the steel beam by the shear nails, but has improvements in the aspects of reducing the difficulty of position limitation of the steel box bottom plate, improving the positioning accuracy of the steel box side plates and the vertical partition plates, improving the supporting quality of the top plate bottom mold, improving the concrete pouring construction quality and the like.
In view of this, in order to improve the on-site construction quality and efficiency of the steel-concrete composite beam, the invention of the steel-concrete composite beam which can reduce the difficulty of the position limitation of the steel box bottom plate, improve the positioning accuracy of the steel box side plate and the vertical partition plate and improve the concrete pouring construction efficiency is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a not only can reduce the degree of difficulty that steel case bottom plate position was injectd, can improve the steel case curb plate moreover and erect baffle positioning accuracy, can also promote concrete placement efficiency of construction's steel-concrete composite beam.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a steel-concrete composite beam is arranged on a bridge pier and comprises: a bed bottom plate; the jig frame bottom plate is provided with a first jig frame supporting column, a second jig frame supporting column and a position correcting supporting body, the position correcting supporting body is provided with a jig frame supporting plate, a step supporting body is arranged between the jig frame supporting plate and the jig frame bottom plate, a jig frame top beam is arranged at the top end of the first supporting column, the jig frame supporting plate is provided with a steel box bottom plate, two sides of the steel box bottom plate are provided with steel box side plates, vertical partition plates are arranged on the steel box bottom plate and the steel box side plates, and transverse partition plates are connected among the vertical partition plates; the steel box side plates are provided with steel box vertical plates, the upper parts of the two steel box vertical plates are connected with position control transverse plates, and the position control transverse plates are connected with the jig frame top beams and the first support columns are connected with the steel box vertical plates through box plate position correction bolts.
Optionally, a beam bottom support is arranged on the bridge pier, the steel box bottom plate, the steel box side plates and the steel box vertical plates are arranged on the beam bottom support, a support plate bottom support rod is arranged on the side face of the bridge pier, and a rod end rotating hinge is arranged at the joint of the support plate bottom support rod and the bridge pier.
Optionally, beam bottom concrete is poured on the steel box bottom plate, full supporting rods and beam supporting pillars are arranged on the beam bottom concrete, column bottom supporting plates are arranged at the joint of the beam supporting pillars and the beam bottom concrete, and top supporting beams are arranged at the top ends of the beam supporting pillars.
Optionally, the outer side wall of the steel box side plate is provided with a support plate connecting plate and a combined support plate, a support plate hanging rod is arranged between the combined support plate and the top support beam, a plate bottom limiting tenon is arranged at a joint of the combined support plate and the support plate bottom supporting rod, and a support plate top supporting rod is arranged between the combined support plate and the steel box side plate.
Optionally, a top plate bottom die is arranged on the full supporting rod, top plate side dies are arranged on two sides of the top plate bottom die, a side die sealing plate is arranged on the outer side of each top plate side die, a supporting platform plate is arranged on the top supporting beam, and a vibrating and leveling device is arranged on the supporting platform plate.
Optionally, a strut adjusting bolt is arranged on the second strut of the jig frame, a rotary spherical hinge is arranged at the top end of the second strut of the jig frame, and a rod bottom strut is arranged on the side face of the second strut of the jig frame.
Optionally, the bottom support rod is composed of a bolt and screws, fastening directions of the screws on two sides of the bolt are opposite, and the bottom support rod is connected with the first support column of the jig frame in a welding mode.
Optionally, the box plate position-correcting bolt consists of a bolt and a screw, and the fastening directions of the screws on two sides of the bolt are opposite; the cross section of the step support body is in a step shape; a reinforced rib plate is arranged on the steel box bottom plate; the position correcting support body is a hydraulic jack; and the two ends of the position control transverse plate are provided with connecting groove plates connected with the vertical partition plate and the steel box vertical plate.
Optionally, a supporting rod jacking plate is arranged at the top end of the supporting plate jacking rod; the beam bottom support is a rubber shock absorption support.
Optionally, the cross section of the side-form closed plate is L-shaped; a template side stay bar is arranged on the top supporting beam, a closing plate position correcting bolt is arranged between the side closing plate and the template side stay bar, and the closing plate position correcting bolt comprises a screw rod and a screw; the vibrating and strickling device comprises two sliding transverse plates, the upper surfaces of the two sliding transverse plates are provided with connecting vertical plates, flexible connecting plates are arranged between the two sliding transverse plates, the connecting vertical plates are connected with external rolling and pulling equipment through a position control inhaul cable, a row of moving idler wheels are respectively arranged between the lower surfaces of the two sliding transverse plates and a supporting platform plate, the lower surfaces of the two sliding transverse plates are provided with a first sliding vertical plate and a second sliding vertical plate, the bottom ends of the first sliding vertical plate and the second sliding vertical plate are respectively provided with a vibrating bottom plate and a strickling bottom plate, the upper surface of the strickling bottom plate is provided with a residue collecting tank, the upper surface of the vibrating bottom plate is provided with a surface vibrator, the lower surface of the vibrating bottom plate is provided with a plate bottom seam layer, the cross section of the strickling bottom plate is of.
The embodiment of the utility model has the following beneficial effect:
1. according to the embodiment of the utility model, the plane position of the steel box bottom plate is controlled through the position correction support body, the step support body and the jig support plate, so that the difficulty of position limitation of the steel box bottom plate is reduced; and simultaneously, the utility model discloses a prop the position of post side lever and prop the position of post adjusting bolt control steel case curb plate, inject the vertical position of erecting the baffle through accuse position diaphragm, improved the steel case curb plate and erected the degree of accuracy of baffle location.
2. In one embodiment of the utility model, the beam-supporting pillar is arranged on the beam-bottom concrete, and the top supporting beam is arranged at the top end of the beam-supporting pillar; the position of the combined support plate is synchronously limited by the support plate hanging rod and the support plate bottom support rod outside the bridge pier; the lower part of the steel box side die is provided with a support system combined by a combined support plate and a support plate top support rod, and the upper surface of the beam bottom concrete is provided with a full supporting rod in a supporting way, so that the supporting quality of a top plate bottom die is improved; the utility model discloses the supporting platform board that vibrates the strickle device and can follow on the roof breast beam removes, has reduced the concrete surface vibration and has strickleed the degree of difficulty of construction.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the steel box girder assembling construction structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the first section steel box girder after hoisting construction according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a beam top concrete formwork according to an embodiment of the present invention;
fig. 4 is a schematic view of the construction of vibrating and scraping the concrete on the top of the beam according to an embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a steel box bottom plate; 2-steel box side plates; 3-a steel box vertical plate; 4-erecting a partition board; 5-diaphragm plate; 6-bed jig bottom plate; 7-a first support column of the jig frame; 8-a second support column of the jig frame; 9-aligning the support body; 10-a jig support plate; 11-a bed frame top beam; 12-box board position correcting bolt; 13-a step support; 14-side pole of brace; 15-connecting the pressing plate; 16-position control transverse plates; 17-bridge pier; 18-beam bottom support; 19-a support plate bottom brace rod; 20-a rod end is rotatably hinged; 21-beam bottom concrete; 22-full hall supporting rod; 23-beam brace strut; 24-column bottom bracing plates; 25-top bracing beam; 26-a support plate connecting plate; 27-a composite support plate; 28-a support plate hanging rod; 29-limiting falcon at the bottom of the plate; 30-a support plate top brace rod; 31-top plate and bottom plate; 32-roof side form; 33-side form closure plate; 34-supporting the platform plate; 35-a vibrating and scraping device; 36-beam-top concrete; 37-strut adjusting bolts; 38-rotating spherical hinge; 39-a pole bottom brace; 40-position control inhaul cable; 41-a ribbed plate; 42-limit falcon at the bottom of the rod; 43-connecting the grooved plate; 44-a supporting rod jacking plate; 45-template side stay bar; 46-a closing plate position correcting bolt; 47-sliding transverse plate; 48-connecting the vertical plate; 49-flexible connecting plate; 50-moving the roller; 51-a first glide riser; 52-a second glide riser; 53-vibrating the base plate; 54-scraping the bottom plate; 55-excess material collecting box; 56-surface vibrator; 57-panel bottom seam layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
On-spot hoist and mount construction technical requirement, the rolling of shaped steel and welding construction technical requirement, bolt-up construction technical requirement, concrete placement construction technical requirement etc. no longer give unnecessary details in this embodiment, the key explanation the utility model relates to an embodiment of method.
Referring to fig. 1-4, in the present embodiment, a steel-concrete composite beam is provided, and is disposed on a bridge pier, a first jig support 7, a second jig support 8, and a position correction support 9 are sequentially disposed on a jig bottom plate 6, a jig support plate 10 is disposed on the position correction support 9, and a jig top beam 11 is disposed at a top end of the second jig support 8 opposite to a mirror image; a box board position-correcting bolt 12 is arranged on the jig frame second supporting column 8 and the jig frame top beam 11; after the position of the jig frame supporting plate 10 is corrected through the position correcting supporting body 9, a step supporting body 13 is arranged between the jig frame supporting plate 10 and the jig frame bottom plate 6; firstly, a steel box bottom plate 1 is arranged on a jig frame supporting plate 10, and then a steel box side plate 2 is connected with a first supporting column 7 of the jig frame and a connecting pressing plate 15 at the end part of a side plate inclined strut; a transverse partition plate 5 and a vertical partition plate 4 are arranged in a space formed by enclosing a steel box bottom plate 1 and steel box side plates 2, the vertical position of a steel box vertical plate 3 is controlled through a box plate position-correcting bolt 12 on a jig frame second supporting column 8, and the positions of the steel box vertical plate 3 and the vertical partition plate 4 are limited through a box plate position-correcting bolt 12 on a jig frame top beam 11 and a position-controlling transverse plate 16; the vertical partition plate 4 is welded with the steel box bottom plate 1 and the steel box side plate 2, and the transverse partition plate 5 is vertically welded with the vertical partition plate 4; arranging a beam bottom support 18 on the pier 17, and hoisting a steel box beam formed by welding a steel box bottom plate 1, a steel box side plate 2 and a steel box vertical plate 3 into a whole onto the beam bottom support 18 by adopting external hoisting equipment; a support plate bottom support rod 19 is arranged on the side surface of the pier 17, and a rod end rotating hinge 20 is arranged at the joint of the support plate bottom support rod 19 and the pier 17; firstly, pouring construction of beam bottom concrete 21 is carried out; after the beam bottom concrete 21 has the strength, arranging full supporting rods 22 and beam supporting columns 23 on the beam bottom concrete 21, arranging column bottom supporting plates 24 at the joints of the beam supporting columns 23 and the beam bottom concrete 21, and arranging top supporting beams 25 at the top ends of the beam supporting columns 23; the outer side wall of the steel box side plate 2 is provided with a support plate connecting plate 26 and a combined support plate 27; a support plate hanging rod 28 is arranged between the combined support plate 27 and the top support beam 25, a plate bottom limiting tenon 29 is arranged at the joint of the lower surface and the support plate bottom supporting rod 19, and a support plate top supporting rod 30 is arranged between the upper surface and the steel box side plate 2; hanging a top plate bottom die 31 and a top plate side die 32 on the full supporting rod 22, and arranging a side die closing plate 33 on the outer side of the top plate side die 32; a supporting platform plate 34 is arranged on the top supporting beam 25, and a vibrating and leveling device 35 is arranged on the supporting platform plate 34; when the beam top concrete 36 is poured, the vibrating and strickling device 35 is adopted to synchronously carry out the vibration and strickling construction of the beam top concrete 36.
The steel box bottom plate 1 is formed by rolling a steel plate with the thickness of 20 mm.
The steel box side plates 2, the steel box vertical plates 3, the vertical partition plates 4 and the transverse partition plates 5 are all formed by rolling steel plates with the thickness of 20 mm.
The bed-jig bottom plate 6 is formed by rolling a steel plate with the thickness of 10 mm.
The jig frame first bracing column 7 and the jig frame second bracing column 8 are both made of steel pipes with the diameter of 100mm and the wall thickness of 4 mm; a second support column 8 of the jig frame is provided with a support column adjusting bolt 37 in threaded connection with the second support column; a rotary spherical hinge 38 is arranged at the top end of the second support column 8 of the jig frame, and the rotary spherical hinge 38 adopts a spherical hinge with the diameter of 100 mm; a rod bottom support rod 39 is arranged on the side surface of the second support column 8 of the jig frame, the rod bottom support rod 39 is connected with the second support column 8 of the jig frame in a welding mode, and the rod bottom support rod 39 is composed of a screw rod and a bolt, wherein the diameter of the screw rod is 100 mm.
The position correction support 9 adopts a hydraulic jack of 100 tons.
The jig frame supporting plate 10 is formed by rolling a steel plate with the thickness of 10 mm.
The jig frame top beam 11 adopts H-shaped steel with the specification of 200 multiplied by 8 multiplied by 12.
The box board position-correcting bolt 12 is composed of a high-strength screw rod with the diameter of 30mm and a bolt, and the bolt is used
The fastening directions of the screws on the two sides are opposite.
The step support body 13 is formed by welding 2mm steel plates, the cross section of the step support body is in a step shape, and the height of the step is 20 mm.
The side plate inclined struts 14 are formed by rolling steel pipes with the diameter of 100mm, and rod bottom limiting tenons 42 are arranged at the joint parts of the lower surfaces of the side plate inclined struts and the rod bottom supporting rods 39. And the rod bottom limiting falcon 42 is formed by rolling a steel plate with the thickness of 10 mm.
The connecting pressing plate 15 is formed by rolling a steel plate with the thickness of 10 mm.
The position control transverse plate 16 is formed by rolling a steel plate with the thickness of 10mm, the width of the position control transverse plate is 20cm, and two ends of the position control transverse plate are respectively provided with a connecting groove plate 43 connected with the vertical partition plate 4 or the steel box vertical plate 3. The connecting channel plate 43 is formed by rolling a steel plate with the thickness of 10mm, the cross section of the connecting channel plate is U-shaped, and the depth of the channel is 2 cm.
The concrete strength grade of pier 17 is C50.
The beam bottom support 18 is a rubber shock absorption support.
The support plate bottom stay bar 19 is formed by rolling a steel pipe with the diameter of 60 mm.
The rod end rotating hinge 20 is a spherical hinge with the diameter of 60 mm.
The beam bottom concrete 21 and the beam top concrete 36 both use concrete with the strength grade of C50.
The full supporting rod 22 is supported by a steel pipe with the diameter of 48 mm.
The supporting beam strut 23 is formed by rolling a steel pipe with the diameter of 150 mm.
The column bottom supporting plate 24 is formed by rolling a steel plate with the thickness of 10 mm.
The top stay 25 is made of H-section steel having a specification of 100 × 100 × 6 × 8.
The support plate connecting plate 26 and the combined support plate 27 are both formed by rolling steel plates with the thickness of 10 mm.
The support plate hanging rod 28 is formed by rolling a screw rod with the diameter of 50 mm.
And the plate bottom limiting falcon 29 is formed by rolling a steel plate with the thickness of 10mm, and is 6cm in width and 20cm in length.
The support plate top supporting rod 30 is made of a steel pipe with the diameter of 60 mm.
The supporting rod jacking plate 44 is formed by rolling a steel plate with the thickness of 10 mm.
The top plate bottom die 31 and the top plate side die 32 are both formed by rolling steel plates with the thickness of 4 mm.
The side mould closing plate 33 is formed by rolling a steel plate with the thickness of 2mm, the cross section of the side mould closing plate is L-shaped, and a closing plate position-correcting bolt 46 is arranged between the side mould closing plate and the side stay bar 45 of the mould plate. The template side stay bar 45 consists of a screw rod and a bolt with the diameter of 20 mm; the closing plate position-correcting bolt 46 is composed of a screw rod and a bolt with the diameter of 20mm, and the length of the bolt is adjustable.
The support platform plate 34 is formed by rolling a steel plate with the thickness of 10 mm.
The vibrating and strickling device 35 can synchronously carry out vibrating and strickling construction of the beam top concrete 36, and comprises two sliding transverse plates 47, connecting vertical plates 48 are respectively arranged on the upper surfaces of the two sliding transverse plates 47, a flexible connecting plate 49 is arranged between the two sliding transverse plates 47, and a moving roller 50 is arranged at the lower part of the sliding transverse plates 47; connecting the connecting vertical plate 48 with the external rolling and pulling equipment through the position control inhaul cable 40; two rows of moving rollers 50 are respectively arranged between the lower surfaces of the two sliding transverse plates 47 and the supporting platform plate 34. The sliding transverse plate 47 and the connecting vertical plate 48 are both formed by rolling steel plates with the thickness of 10mm, and the flexible connecting plate 49 is a rubber plate with the thickness of 10 mm; the diameter of the moving roller 50 is 100 mm; set up first riser 51 and the second riser 52 that slides respectively along the moving direction of the diaphragm 47 that slides, at the lower surface of two diaphragms 47 that slide, first riser 51 and the second riser 52 that slides all adopt thickness to be 10 mm's steel sheet rolling and form. A surface vibrator 56 is provided on the upper surface of the vibration base plate 53, and a plate bottom joint layer 57 is provided on the lower surface. The vibrating bottom plate 53 is rolled from a steel plate with a thickness of 2 mm. The surface vibrator 56 is a concrete surface vibrator of 1.5 kW.
The position control inhaul cable 40 is a steel wire rope with the diameter of 30 mm.
The ribbed plate 41 is rolled from a steel plate having a thickness of 10mm and a height of 10 cm.
The strike-off bottom plate 54 is formed by rolling a steel plate with a thickness of 10mm, the cross section of the strike-off bottom plate is in a right trapezoid shape, the top surface and the bottom surface of the strike-off bottom plate are perpendicular to the vertical surface, the top surface is connected with the upper surface of the beam top concrete 36, and the width of the top surface is larger than that of the bottom surface.
The excess material collecting tank 55 is formed by rolling a steel plate with the thickness of 2mm, the height of the excess material collecting tank is 30cm, the width of the excess material collecting tank is 50cm, and an excess material collecting opening with the width of 20cm and the height of 15cm is formed in the side face close to the first sliding vertical plate 51.
The above embodiments may be combined with each other.
It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have an actual order or meaning, and the present application is not limited thereto.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A steel-concrete composite beam is arranged on a bridge pier (17), and is characterized by comprising: a bed bottom plate (6);
a jig frame first support column (7), a jig frame second support column (8) and a position correction support body (9) are arranged on the jig frame bottom plate (6), a jig frame support plate (10) is arranged on the position correction support body (9), a step support body (13) is arranged between the jig frame support plate (10) and the jig frame bottom plate (6), a jig frame top beam (11) is arranged at the top end of the first support column (7), a steel box bottom plate (1) is arranged on the jig frame support plate (10), steel box side plates (2) are arranged on two sides of the steel box bottom plate (1), vertical partition plates (4) are arranged on the steel box bottom plate (1) and the steel box side plates (2), and transverse partition plates (5) are connected among the vertical partition plates (4);
the steel box side plates (2) are provided with steel box vertical plates (3), the upper parts of the two steel box vertical plates (3) are connected with a position control transverse plate (16), and the position control transverse plate (16) is connected with the jig frame top beam (11) and the first support column (7) is connected with the steel box vertical plates (3) through box plate position correction bolts (12).
2. The steel-concrete composite beam as claimed in claim 1, wherein a beam bottom support (18) is arranged on the bridge pier (17), the steel box bottom plate (1), the steel box side plate (2) and the steel box vertical plate (3) are arranged on the beam bottom support (18), a support plate bottom support rod (19) is arranged on the side surface of the bridge pier (17), and a rod end rotating hinge (20) is arranged at the joint of the support plate bottom support rod (19) and the bridge pier (17).
3. A steel-concrete composite beam according to claim 2, wherein the steel box bottom plate (1) is cast with beam bottom concrete (21), the beam bottom concrete (21) is provided with all-round supporting rods (22) and beam supporting pillars (23), column bottom supporting plates (24) are arranged at the joints of the beam supporting pillars (23) and the beam bottom concrete (21), and top supporting beams (25) are arranged at the top ends of the beam supporting pillars (23).
4. A steel-concrete composite beam as claimed in claim 3, characterized in that the outer side wall of the steel box side plate (2) is provided with a support plate connecting plate (26) and a combined support plate (27), a support plate hanging rod (28) is arranged between the combined support plate (27) and the top bracing beam (25), a plate bottom limiting tenon (29) is arranged at the joint of the combined support plate (27) and the support plate bottom bracing rod (19), and a support plate top bracing rod (30) is arranged between the combined support plate (27) and the steel box side plate (2).
5. A steel-concrete composite beam according to claim 4, characterized in that the full supporting rods (22) are provided with top plate bottom dies (31), top plate side dies (32) are arranged on two sides of the top plate bottom dies (31), side die closing plates (33) are arranged on the outer sides of the top plate side dies (32), the top supporting beams (25) are provided with supporting platform plates (34), and the supporting platform plates (34) are provided with vibrating and leveling devices (35).
6. A steel-concrete composite beam according to claim 1, characterized in that the second bracing column (8) of the jig frame is provided with a bracing column adjusting bolt (37), the top end of the second bracing column (8) of the jig frame is provided with a rotating spherical hinge (38), and the side surface of the second bracing column (8) of the jig frame is provided with a bottom bracing rod (39).
7. A steel-concrete composite beam according to claim 6, wherein said bottom stay (39) is composed of a bolt and a bolt, and the fastening directions of the bolts are opposite.
8. A steel-concrete composite beam according to claim 1, wherein the boxboard position-alignment bolt (12) is composed of a bolt and a screw, and the fastening directions of the screws on both sides of the bolt are opposite; the cross section of the step support body (13) is in a step shape; a reinforced rib plate (41) is arranged on the steel box bottom plate (1); the position correction support body (9) is a hydraulic jack; and connecting groove plates (43) connected with the vertical partition plate (4) and the steel box vertical plate (3) are arranged at two ends of the position control transverse plate (16).
9. A steel-concrete composite beam according to claim 4, wherein the top end of the pallet top stay (30) is provided with a stay top plate (44); the beam bottom support (18) is a rubber shock absorption support.
10. A steel-concrete composite beam according to claim 5, characterized in that the side-form closing plate (33) is "L" -shaped in cross section; a formwork side stay bar (45) is arranged on the top supporting beam (25), a closing plate position correcting bolt (46) is arranged between the side formwork closing plate (33) and the formwork side stay bar (45), and the closing plate position correcting bolt (46) comprises a screw rod and a screw; the vibrating and strickling device (35) comprises two sliding transverse plates (47), connecting vertical plates (48) are arranged on the upper surfaces of the two sliding transverse plates (47), a flexible connecting plate (49) is arranged between the two sliding transverse plates (47), the connecting vertical plates (48) are connected with external rolling and pulling equipment through a position control inhaul cable (40), a row of moving rollers (50) are respectively arranged between the lower surfaces of the two sliding transverse plates (47) and a supporting platform plate (34), first sliding vertical plates (51) and second sliding vertical plates (52) are arranged on the lower surfaces of the two sliding transverse plates (47), a vibrating bottom plate (53) and a strickling bottom plate (54) are respectively arranged at the bottom ends of the first sliding vertical plates (51) and the second sliding vertical plates (52), a residual material collecting groove (55) is arranged on the upper surface of the strickling bottom plate (54), and a surface vibrator (56) is arranged on the upper surface of the, the lower surface of the vibration bottom plate (53) is provided with a plate bottom joint layer (57), the cross section of the strickle-off bottom plate (54) is of a right-angled trapezoid structure, and the top surface of the right-angled trapezoid structure is connected with the upper surface of the beam top concrete (36).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369513.0U CN211645948U (en) | 2019-12-24 | 2019-12-24 | Steel-concrete combined beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922369513.0U CN211645948U (en) | 2019-12-24 | 2019-12-24 | Steel-concrete combined beam |
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| CN211645948U true CN211645948U (en) | 2020-10-09 |
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| CN201922369513.0U Active CN211645948U (en) | 2019-12-24 | 2019-12-24 | Steel-concrete combined beam |
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| CN (1) | CN211645948U (en) |
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