CN208748526U - A kind of bracket for bridge construction - Google Patents

A kind of bracket for bridge construction Download PDF

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Publication number
CN208748526U
CN208748526U CN201821144475.8U CN201821144475U CN208748526U CN 208748526 U CN208748526 U CN 208748526U CN 201821144475 U CN201821144475 U CN 201821144475U CN 208748526 U CN208748526 U CN 208748526U
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China
Prior art keywords
support
supporting element
supporting
crossbeam
bracket
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CN201821144475.8U
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Chinese (zh)
Inventor
何德华
郭贤
郭一贤
陈建宁
颜苓
刘卓荣
盛重阳
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Guangzhou Municipal Engineering Testing Co
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Guangzhou Municipal Engineering Testing Co
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Abstract

The utility model discloses a kind of brackets for bridge construction, it includes second supporting element of two supporting supports arranged in parallel, the first supporting element of at least one and at least one, first supporting element and second supporting element are connected between described two supporting supports, the gap for pier stud to be arranged, first supporting element and second supporting element are formed between described two supporting supports for being supported across pier stud to described two supporting supports;The supporting support includes crossbeam and support frame, support frame as described above is fixedly connected on the bottom of the crossbeam, first supporting element is located at the bottom of the crossbeam of described two supporting supports, and second supporting element is removably attachable between the support frame of described two supporting supports.The effect of the utility model increases the stress point of bracket, reduces the project amount that bracket is set up and removed, and support frame and crossbeam are detachable, reusable, reaches material-saving environmental.

Description

A kind of bracket for bridge construction
Technical field
The utility model relates to technical field of bridge engineering, and in particular to a kind of bracket for bridge construction.
Background technique
With modern urban construction flourish, municipal works as urbanization process an important ring more by weigh Depending on more and more cross a rivers gush bridge and are applied.Bridge is divided into several components by structure composition, and component is the next stage of component Classification.The bridge member that general construction uses has Cast-in-situ Beam and precast beam.Cast-in-situ Beam refers at the construction field (site) according to design requirement, Support shuttering, assembling reinforcement, mixing and disturbing concrete and molding beam.Precast beam is to use prefabrication, then be transported to construction Scene carries out the fixed beam of installation by design requirement position.Since Cast-in-situ Beam is compared to for precast beam, structural thickness is smaller, because This Cast-in-situ Beam is more advantageous in engineering.
For the requirement for meeting creek drainage waterlogging prevention, river management goal cross a river gush Bridge Beam bottom and river have it is enough Under-clearance.Wherein, under-clearance refers to meet under bridge the needs of navigation (driving, pedestrian), to superstructure root edge with Space gauge as defined in lower.For bridge, superstructure refers to online when meeting obstacle on the way and interrupting, across this kind of obstacle Primary load bearing structure.In bridge superstructure construction, Cast-in-situ Beam needs to set up cast-in-place support.The cast-in-situ bridge gushed by cross a river It is influenced by traffic load, the thickness of Cast-in-situ Beam, span are generally large, need to be biggish with intensity, rigidity when cast-in-place shore frame is arranged The big member spans such as fashioned iron or Bailey bracket.It is influenced by load, comparatively dense is arranged in bracket, and installation and dismounting are all more troublesome.
Based on the above situation, conventional construction method, which is generally taken, sets up steel pipe as buttress in creek, reduces bracket Across footpath, the fulcrum force for increasing bracket, thus achieve the purpose that bracket spacing can increase, reduce bracket project amount, but this After in-situ beam casting, steel pipe is difficult to pull out recycling kind method since top is beam, causes biggish waste, It is economically unreasonable.
Utility model content
The purpose of the utility model is to provide a kind of brackets for bridge construction, by being arranged first in pier stud position Support member and the second supporting element, are equivalent to and increase the stress point of bracket in pier stud position, can be reduced the engineering that bracket is set up, removed Amount, while support frame and the second supporting element are to be detachably connected, it is dismountable after constructing structure, convenient for reusing, reach section The purpose of material environmental protection.
To achieve the goals above, the utility model embodiment provides a kind of bracket for bridge construction comprising two Second supporting element of a supporting support arranged in parallel, the first supporting element of at least one and at least one, described first Support member and second supporting element are connected between described two supporting supports, are formed between described two supporting supports For the gap of pier stud to be arranged, first supporting element and second supporting element are used for across pier stud to described two supports branch Frame is supported;
The supporting support includes crossbeam and support frame, and support frame as described above is fixedly connected on the bottom of the crossbeam, described First supporting element is located at the bottom of the crossbeam of described two supporting supports, and second supporting element is removably attachable to described two Between the support frame of a supporting support.
Preferably, support frame as described above includes the first support and the second support of interconnection, first support With the end positioned at the same side of second support, be respectively fixedly connected in the bottom of the crossbeam, first support and The junction of second support and second supporting element are detachably connected.
Preferably, the first end of first support and the first end of second support pass through connection group Part is connected, and the end of the connection component and second supporting element is detachably connected, and the second of first support The second end of end and second support is fixedly connected on the bottom of the crossbeam respectively.
Preferably, the connection component includes the first connecting plate and attachment base, and first connecting plate is fixed to be connected It is connected to the first end of first support, the attachment base is fixedly connected on the first end of second support, the company Joint chair is equipped with the groove for first connecting plate insertion, and the first connecting plate location fit is in the groove, and institute State side wall and first connecting plate that the second supporting element passes through the groove.
Preferably, the attachment base includes two pieces of second connecting plates being parallel to each other, two piece of second connection The groove is formed between plate, is equipped with the first connecting hole on first connecting plate, is distinguished on two piece of second connecting plate Equipped with the second connecting hole corresponding with first connecting hole, second supporting element passes through first connecting hole and described Second connecting hole.
Preferably, first supporting element is arranged parallel with second supporting element, and described second The end of support member exceeds the connection component at least 5cm, and the end of first supporting element exceeds the crossbeam at least 5cm.
Preferably, the outer diameter of first supporting element and second supporting element on pier stud than being used to pass through for it The small 5mm in aperture.
Preferably, the angle between first support and second support is 90 degree.
Preferably, the second end of first support and the second end of second support pass through company respectively Fitting is fixedly connected with the bottom of the crossbeam.
Preferably, the crossbeam includes that several segments successively join end to end the beam body connect, and each beam body passes through Ring flange mutually welds.
To sum up, a kind of bracket for bridge construction provided by the utility model embodiment, has the advantage that
1, by the preformed hole on pier stud, the first supporting element and the second supporting element is installed, increase stress on across footpath direction Fulcrum makes the across footpath of Bailey bracket reduce half, and the spacing of Bailey bracket bracket can be increased suitably, reduces the engineering that bracket is set up Amount meets the related request of limited bracket in construction;
2, removable by connection component between the first support and the second supporting element, between the second support and the second supporting element The connection unloaded is connected between crossbeam by ring flange, realizes the function of assembly, and easy to disassemble, trestle component is recyclable, Achieve the purpose that environmental protection and economy.
Detailed description of the invention
Fig. 1 is the perspective view of the bracket provided by the embodiment of the utility model for bridge construction;
Fig. 2 is the connection schematic diagram of connection component provided by the embodiment of the utility model;
Fig. 3 is the construction process figure that the utility model embodiment is related to.
Appended drawing reference:
1, the first supporting element, the 2, second supporting element, 3, crossbeam, 4, support frame, the 41, first support, the 42, second support, 5, Connection component, the 51, first connecting plate, the 52, second connecting plate, 6, connector, 7, ring flange.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1 to Figure 3, a kind of bracket for bridge construction provided by the embodiment of the utility model, including two Supporting support, the first supporting element of at least one 1 and the second supporting element of at least one 2 arranged in parallel, 1 He of the first supporting element Second supporting element 2 is connected between two supporting supports, is formed between two supporting supports for being arranged between pier stud Gap, the first supporting element 1 and the second supporting element 2 are for being supported two supporting supports across pier stud;Supporting support includes cross Beam 3 and support frame 4, support frame 4 are fixedly connected on the bottom of crossbeam 3, and the first supporting element 1 is located at the crossbeam 3 of two supporting supports Bottom, the second supporting element 2 is removably attachable between the support frame 4 of two supporting supports.
Based on the above-mentioned technical proposal, in construction, first in pier stud each reserved through hole up and down, first is worn in preformed hole Support member 1 and the second supporting element 2.After completing to intert, the position of supporting element is finely tuned, enables its length front and back symmetrical.Then first Supporting element 1 installs crossbeam 3, installs support frame 4 in the second supporting element 2.By installing the first supporting element 1 in pier stud preformed hole, Crossbeam 3 is installed on the first supporting element 1, using pier stud stress, the vertical bridge being equivalent in the every row's pier stud of bridge is increased to position Fulcrum force, compare it is conventional only in the stress point of two sides cushion cap setting bracket, can effectively reduce the setting up of fashioned iron or Bailey bracket, Projects amount.The second supporting element 2 is installed in pier stud preformed hole, support frame 4 is installed on the top of the second supporting element 2, each pier For the crossbeam 3 of column other than the stress point of the first supporting element 1, there are also support frames 4 to be used as stress point, and the increase of stress point can effectively drop The height of low crossbeam 3, had not only met the space requirement of setting up of upper bracket, but also met the water level requirement controlled flood and drained flooded fields.At this In embodiment, the quantity of the first supporting element 1 and the second supporting element 2 is one, and the load that it is subject in guarantee is in tolerance range Within under the premise of, it is possible to reduce the use of engineering material, only two holes need to be reserved on pier stud, so as to shorten the duration.
Wherein, support frame 4 includes the first support 41 and the second support 42 of interconnection, the first support 41 and the second support 42 end positioned at the same side is respectively fixedly connected in the bottom of crossbeam 3, the junction of the first support 41 and the second support 42 It is detachably connected with the second supporting element 2.First support 41 and the bottom arranged in a crossed manner in crossbeam 3 of the second support 42 are born horizontal The concentrated force that beam 3 transmits.The first end of first support 41 and the first end of the second support 42 are connected by connection component 5 It connects, and connection component 5 and the end of the second supporting element 2 are detachably connected, the second end and the second support of the first support 41 42 the second end is fixedly connected on the bottom of crossbeam 3 respectively.First support 41, the second support 42 and the second supporting element 2 pass through Connection component 5 is assembled together, and assembling and disassembling is simple, is not necessarily to cutting processing, significantly improves construction efficiency, and can repeatedly tear open It unloads, saves construction material.Connection component 5 includes the first connecting plate 51 and attachment base, and the first connecting plate 51 is fixedly connected on first The first end of support 41, attachment base are fixedly connected on the first end of the second support 42, and attachment base is equipped with for the first connection The groove that plate 51 is inserted into, in a groove, and the second supporting element 42 passes through the side wall and the of groove to 51 location fit of the first connecting plate One connecting plate 51.When assembling support frame 4, the first connecting plate 51 is inserted into the groove of attachment base, is worn by the second supporting element 42 The side wall and the first connecting plate 51 for crossing groove, the first support 41, the second support 42 and the second supporting element 2 are linked together, if Set groove can make the first connecting plate 51 be inserted into attachment base after, position is fixed, and is avoided being subjected to displacement when bearing load, is led to first Support 41 and the second support 42 connect shakiness.Attachment base includes two pieces of second connecting plates 52 being parallel to each other, two piece of second connection Form groove between plate 52, be equipped with the first connecting hole on the first connecting plate 51, on two piece of second connecting plate 52 be respectively equipped with Corresponding second connecting hole of first connecting hole, the second supporting element 42 pass through the first connecting hole and the second connecting hole.By even The connecting hole passed through for the second supporting element 42 is set on fishplate bar, securely fixes the position of the first connecting plate 51 and attachment base, Avoid the first support 41 and the second support 42 that relative displacement occurs.In the present embodiment, each connecting plate is accordingly welded on each The first end of part.The thickness of first connecting plate 51 and the second connecting plate 52 was transmitted according to the first support 41 and the second support 42 Depending on the width of the compression and each connecting plate come, connecting hole is formed by mechanical shock.
First supporting element 1 is arranged parallel with the second supporting element 2, and the end of the second supporting element 2 exceeds connection component 5 The end of at least 5cm, the first supporting element 1 exceed at least 5cm of crossbeam 3, prevent the first supporting element 1 and the second supporting element 2 because of length Not enough, corresponding torsion cannot be born.The outer diameter of first supporting element 1 and the second supporting element 2 on pier stud than being used to pass through for it The small 5mm in aperture.If the aperture on pier stud is excessive, it is easy to cause the first supporting element 1 and the second supporting element 2 to skid off preformed hole, no Supporting support can steadily be supported.If aperture is too small, in removal bracket, the first supporting element 1 and the second supporting element 2 are not easy to pull out Out, construction material is wasted.
In view of factors such as stress and material utilization amounts, the angle between the first support 41 and the second support 42 is 90 degree, this When the first support 41 and the angle of crossbeam 3, the second support 42 and crossbeam 3 be 45 degree, so that support and crossbeam 3 is formed a stabilization Isosceles right triangle structure.In Architectural Mechanics, the freedom degree of triangular structure is zero, as long as its power born is being propped up The material load of part and crossbeam 3 is surrendered in limit of power, and with the increase of load, which can only become more stable, especially suitable Bracket of the construction loads greater than 20kN/m is closed to set up.
The second end of first support 41 and the second end of the second support 42 pass through the bottom of connector 6 Yu crossbeam 3 respectively Portion is fixedly connected.Support and crossbeam 3 are connected using connector 6, construction procedure is simple, can be with being dismounted for multiple times support and crossbeam 3, just It is recycled in materials.In the present embodiment, each connector 6 is respectively welded at the second end and second support 42 of the first support 41 The second end, in practice of construction, connector 6 can also be bolted or the modes such as rivet interlacement are connected to the end of support Portion, embodiment without being limited thereto.Connector 6 is preferably ring flange, bolt hole is uniformly placed on ring flange, bolt hole is using mechanical It is washed into, aperture and pitch-row must meet Code for design of steel structures depending on bolt specification.For the damage for reducing bolt pretightening It loses, bolt is arranged on the outside of ring flange and is no more than two rows.The thickness range of ring flange is 1~1.5cm, length, width To depend on crossbeam 3 and diameter of bolt hole.
Crossbeam 3 includes that several segments successively join end to end the beam body connect, and each beam body is welded by 7 phase of ring flange, is realized and is filled It with function, is easily installed and dismantles, crossbeam 3 can be recycled repeatedly, and construction material is saved.Ring flange intensity is high, user Just, it is able to bear biggish pressure.
The material selection of bracket provided by the utility model for bridge construction is as follows: the first support 41 and the second support 42 be rod iron, and rod iron is high-intensitive material, can bear biggish load.Accordingly, the connection hole shape of connecting plate is circle, It is set in it can by the first support 41 and the second support 42 interior.Crossbeam 3 is welded by hollow fashioned iron, has crossbeam 3 Bending strength is big, and torsional moment inertia is big, the features such as from heavy and light, can save material to the maximum extent, and reduce structure design Internal force, easy construction, cost reduce.First support 41 and the second support 42 are diagonal brace or steel pipe or fashioned iron, and material has very High tensile strength, compression strength, bending strength and shearing strength can overcome the disadvantages that concrete tension, resist in armored concrete Curved, shearing resistance and the lower disadvantage of cracking resistance, and its toughness is high, is able to take percussion, connection type can be welding Or riveting, it is convenient for assembly, can be carried out cutting, hot rolling and forging, by heat treatment method, can change to a large extent or Control its performance.In the present embodiment, the first support 41 and the second support 42 are diagonal brace, can effectively increase structure rigidity and Shock resistance, and structural material can be maximally utilised, it is the anti-seismic structure component of high-efficiency and economic.
As shown in figure 3, construction procedure involved in the bracket provided by the utility model for bridge construction is as follows.
The first step, preparation of construction.
Unit in charge of construction will participate in the discussion of Preliminary design, Analyzing on Building A Planning Scheme, and tissue establishment Design of Construction Organization accordingly. Unit in charge of construction wants and builds, designing unit signs a contract and related agreement, under the premise of determining completion time of project and economic benefit, The responsibility and permission of clarification in certain roles cooperation.Adjustment deployment construction manpower, construction production and construction home base, determine construction material, at The resource and means of transportation of product, semi-finished product.Connect water source, power supply, traffic route, discharge conduit inside and outside field.Carry out construction area Engineering survey, unwrapping wire positioning, permanent latitude coordinates and leveling (level)peg are set, do for supplement the necessary live hydrology, geology is surveyed Site operation obstacle and smooth location are removed in fixed work.
Second step, intermediate pier stud construction and both ends bearing platform construction.
Intermediate pier stud construction: pier stud must reserve circular hole when constructing, for wearing rod iron.Rod iron preformed hole uses internal diameter ratio The coating steel pipe of the big 6~10mm of rod iron is pre-buried, and the pre-buried absolute altitude of steel pipe and direction have to comply with support Design drawing.
Both ends bearing platform construction: bearing platform construction must be according to the measurement of coordinates unwrapping wire of design drawing, and in designated position red oil Paint marks.The length of reserved steel bar is processed in steel bar meter field in advance according to the size of design, transports to specific bit in batches It sets, reserving rib, insertion depth 30cm is inserted into when pouring concrete.Template uses the phenolic board of 2cm, is first propped up again floor manufacture is good Vertical, steel pipe diagonal brace is arranged at interval of 30cm angle muscle banding in template on cushion cap, and when preventing vibrated concrete, template occurs Deformation.Template has enough strength and stiffness, and Zhi Liqian is in one layer of release agent of template inner side brush.
Third step, the construction of the pre-buried and concrete, Bailey bracket buttress of rod iron.
Rod iron it is pre-buried: when pre-buried, coating steel pipe both ends cloth waste or plastic paper blocking, when preventing pier stud concreting Blocking.After being embedded to coating steel pipe, coating steel pipe is fixed with the reinforcing bar of pier stud using reinforcing bar.When concrete casting is vibrated, no Coating steel pipe can be touched.Concreting finishes, and takes out the tamper at coating steel pipe both ends.First supporting element 1 and second Support member 2 is pre-processed in factory according to design length, is installed using crane hand fit, 1 He of the first supporting element when installation Second supporting element 2 is worn from one end to the other end, and crane, which slings the first supporting element 1 and the second supporting element 2, first inserts one end Enter preformed hole 5cm or so, the first supporting element 1 is then pulled by rotating platform of crane and the second supporting element 2 is completed entire rod iron and worn It inserts, the interspersed fine tuning of rod iron is beaten using iron hammer, keeps rod iron length in reserve symmetrical, both ends remaining length after installing support frame 4 Degree is not less than 5cm.
The construction of concrete, Bailey bracket buttress: lower concrete layered vibrates, and every 30cm is one layer, and vibrating must be uniformly It is closely knit, until concrete surface rises cement slurry and until emerge there is no bubble.The absolute altitude of concrete buttress will be according to cast-in-place The bottom elevation of beam determines, and ensures to have enough shore frames to set up space.Bailey bracket buttress is good in installation on ground in advance, according to Double single layer arrangement, the spacing of every two groups of Bailey brackets press design value, are linked to be an entirety together every 3m by connection sheet.To After concrete buttress reaches design strength, using lifting frame of loop wheel machine above concrete buttress.It is accurately positioned, and passes through when handling The fixed Bailey bracket buttress of the reserved reinforcing bar of concrete buttress.
4th step, processing and installation crossbeam 3.
According to the cross sectional shape of fashioned iron, select channel steel as beam body material, the model of channel steel is chosen according to design requirement.It will Channel steel according to shore frame plan view segmented assembly, using weld seam welding fastening between every two channel steels, at interval of 1m or more two Two sections of beam body welderings are a crossbeam 3 by road welding, per pass weld seam long 10cm, throat depth 0.5cm.The good cross of segmented assembly For beam 3 according to the spacing of 1m, the angle bar form of zigzag weldering of every two sections of beam bodies 5mm thickness is an entirety.Beam body passes through ring flange It mutually welds, fastening is bolted, using loop wheel machine handling crossbeam, be accurately positioned in beam body two suspension centres of setting, lifting, beam Body is close to pier stud edge.Construction area is set with warning tape when lifting, full-time security official carries out duty at the scene, people without fixed duties etc. be not allowed into Enter lifting scene.Steel plate washer is welded according to design drawing when beam body at lapped corner joint is assembled on the coast, steel plate washer is according to drawing Aperture.After the installation of the beam body of pier stud two sides is in place, to the bolt of the steel plate washer corresponding size of lap-joint by the beam of lap-joint Body is linked together.
5th step, design, processing and the installation of support frame 4.
Specification, the model of support need to choose according to Force Calculation, its cutting length is according to the first supporting element 1 and second Depending on the spacing and support of supporting element 2 and the angle of crossbeam 3, while to consider to subtract the length of a part of gusset plate and rod iron. For the processing quality for guaranteeing support frame 4, the factory that should choose corresponding qualification is processed.Before construction and installation, project leader Safe practice is carried out to construction worker to tell somebody what one's real intentions are, and operating personnel is made to understand construction operation main points.Personnel, vehicle are arranged when construction The goods and materials such as diagonal brace are transported into creek side, arrange a canoe by rope bolt tightly near pier stud, serve as the construction of operator Job platform.Arrange again the autocranes of two 8 tons of weights is in place by the river, matched two diagonal braces are sling respectively transport to The pier stud of installation, construction personnel dock gusset plate, and by the turntable of crane, diagonal supporting member packs into rod iron and is close to pier stud.It applies One end of diagonal brace is bonded by worker person with the steel plate of crossbeam, and operating personnel applies stubborn bolt using spanner.In order to make bolt uniformly by Power, and guarantee that bolt reaches screw-down torque, bolt tightens not instead of one-time-reach-place, repeatedly applies and twists until bolt is twisted not It is dynamic.Since the installation exercise belongs to operation at sea, all construction workers are intended to wear person peace of the life jacket to guarantee personnel Entirely.
6th step, the splicing and installation of Bailey bracket.
Using highway steel bridge Bailey bracket, Bailey bracket is assembled into one group according to the length of support Design plan view on the coast, often Two groups of Bailey brackets are connected into pairs by the spacing of design of scheme using angle bar connection sheet, and every one of 6m setting of connection sheet, every group of shellfish thunder The connection sheet of frame installation is no less than 3, and portion can be suitably adjusted.Bailey bracket is installed just using handling of loop wheel machine Position, along bridge to putting, direction across bridge one end is fallen on the crossbeam 3 of intermediate pier stud, and the other end falls in the armored concrete branch on cushion cap On pier;In addition curved section inserts single Bailey bracket after respectively putting using every two rows, makes Bailey bracket maximum spacing between row and row Maximum is no more than design spacing.The center of gravity of Bailey bracket should be overlapped with the centroid of reinforced concrete buttress, and eccentric distance is no more than 5cm.Part corner, tip position Bailey bracket can be welded to form an entirety with the Bailey bracket of 10# channel steel and side.
7th step, the processing and installation of bracket gasket.
Bracket shim size specification is processed according to design drawing, in intermediate aperture, opening diameter 4cm.Bracket gasket can Chord member is welded thereon in Bailey bracket assembly, the spacing of gasket is set according to the spacing of adjustable bracket, if gasket and Bailey bracket Support frame aperture, chord bolt hole or gusset plate in the presence of conflict can suitably adjust its position.
8th step installs adjustable bracket.
Fill it is ready after, toward bracket pad hole be inserted into adjustable bracket, the direction of bracket and the direction of Bailey bracket are consistent.It selects straight Diameter is the adjustable bracket of 3.5cm, and the extension elongation of carriage screw is controlled within 20cm, be can be used vertically and horizontally more than 20cmSteel Pipe locking.
9th step, installation template, reinforcing bar.
When installation template, should the displacement of anti-template and protrusion, and overturn-preventing facility is set.The installation of reinforcing bar should be installed with template It works in coordination.When installing reinforcing bar, reinforcing bar rank, diameter, radical and the spacing of configuration should all meet design requirement.
Tenth step, casting concrete and maintenance.
Concreting can be carried out after the acceptance(check)s such as template and reinforcing bar.First template is moistened, then starts to pour, is infused Match ratio, the slump of meaning concrete.Vibrate, vibrate closely knit in time in blowing, must not leakage, in order to avoid will appear quality Problem.After concreting, effective maintenance measure is taken in time by construction technical schemes.
11st step, support removing.
In demolishing process, it should construct by code requirement.As discovery have an impact structure it is safe when, should stop removing, and report After person in charge of the technology aspect's research processing, then removed.
To sum up, a kind of bracket for bridge construction provided by the utility model embodiment, has the advantage that
By the preformed hole on pier stud, the first supporting element and the second supporting element are installed, increase stress branch on across footpath direction Point makes the across footpath of Bailey bracket reduce half, and the spacing of Bailey bracket bracket can be increased suitably, reduces the engineering that bracket is set up Amount meets the related request of limited bracket in construction;
It is detachable to pass through connection component between the first support and the second supporting element, between the second support and the second supporting element Connection, between the first support and crossbeam, between the second support and crossbeam by flanged joint, realize the function of assembly, just In disassembly, trestle component is recyclable, achievees the purpose that environmental protection and economy.
In the description of the present invention, it should be noted that term " on ", "lower", "horizontal", "bottom", "inner", The orientation or positional relationship of the instructions such as "front", "rear" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art Member for, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these improve and Replacement also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of bracket for bridge construction, it is characterised in that: including two supporting supports arranged in parallel, at least one Second supporting element of the first supporting element of root and at least one, first supporting element and second supporting element are connected to institute It states between two supporting supports, the gap for pier stud to be arranged, first support is formed between described two supporting supports Part and second supporting element are for being supported described two supporting supports across pier stud;
The supporting support includes crossbeam and support frame, and support frame as described above is fixedly connected on the bottom of the crossbeam, and described first Supporting element is located at the bottom of the crossbeam of described two supporting supports, and second supporting element is removably attachable to described two Between the support frame for supportting bracket.
2. the bracket according to claim 1 for bridge construction, it is characterised in that: support frame as described above includes interconnection The first support and the second support, the end positioned at the same side of first support and second support is fixed respectively to connect It is connected to the bottom of the crossbeam, the junction and second supporting element of first support and second support are removably Connection.
3. the bracket according to claim 2 for bridge construction, it is characterised in that: the first end of first support It is connected with the first end of second support by connection component, and the end of the connection component and second supporting element Portion is detachably connected, and the second end of the second end of first support and second support is fixedly connected on institute respectively State the bottom of crossbeam.
4. the bracket according to claim 3 for bridge construction, it is characterised in that: the connection component includes the first company Fishplate bar and attachment base, first connecting plate are fixedly connected on the first end of first support, and the attachment base is fixed to be connected It is connected to the first end of second support, the attachment base is equipped with the groove for first connecting plate insertion, and described the One connecting plate location fit is in the groove, and second supporting element passes through the side wall of the groove and described first and connects Plate.
5. the bracket according to claim 4 for bridge construction, it is characterised in that: the attachment base includes two pieces mutual The second parallel connecting plate, forms the groove between two piece of second connecting plate, and first connecting plate is equipped with first Connecting hole, is respectively equipped with the second connecting hole corresponding with first connecting hole on two piece of second connecting plate, and described Two supporting elements pass through first connecting hole and second connecting hole.
6. according to the described in any item brackets for bridge construction of claim 3 to 5, it is characterised in that: first support Part is arranged parallel with second supporting element, and the end of second supporting element exceeds the connection component at least 5cm, The end of first supporting element exceeds the crossbeam at least 5cm.
7. the bracket according to claim 6 for bridge construction, it is characterised in that: first supporting element and described The outer diameter of two supporting elements is 5mm smaller than the aperture on pier stud for passing through for it.
8. the bracket according to any one of claims 2 to 5 for bridge construction, it is characterised in that: first support Angle between second support is 90 degree.
9. the bracket according to claim 2 for bridge construction, it is characterised in that: the second end of first support Pass through connector respectively with the second end of second support to be fixedly connected with the bottom of the crossbeam.
10. the bracket according to claim 1 for bridge construction, it is characterised in that: the crossbeam include several segments according to The secondary beam body connect that joins end to end, and each beam body is mutually welded by ring flange.
CN201821144475.8U 2018-07-18 2018-07-18 A kind of bracket for bridge construction Active CN208748526U (en)

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