CN208266658U - Extended position truss-rigid-framed structure road and bridge - Google Patents

Abstract

The utility model relates to extended position truss-rigid-framed structure road and bridge.The utility model belongs to traffic road bridge technical field.Extended position truss-rigid-framed structure road and bridge, including bridge pier, bridge and bridge floor, bridge is extended position truss-rigid-framed structure, and extended position truss knot-steel frame construction is hinged to integral structure by chord member, web member and zero bar, implements to increase overall stiffness technical measures in structure many places.Bridge pier supports extended position truss-rigid-framed structure bridge, and bridge floor is fixed on extended position truss-rigid-framed structure bridge chord member.The utility model is uniset processing and manufacturing, is integrally assembled into road and bridge, is folded into small size transport, one draw road and bridge, follow-up work improve structure integral strength, rigidity, realize Fast Installation, easy to maintain, easy maintenance, easily replacement, greatly save construction cost, cost performance is very high；Suitable for all large, medium and small types, light-duty, heavy construction of road and bridge, such as highway, high-speed railway, magnetic suspended railway and all tracks, non-track construction of road and bridge.

Description

Extended position truss-rigid-framed structure road and bridge

Technical field

The utility model belongs to traffic road bridge technical field, more particularly to a kind of extended position truss-rigid-framed structure road Bridge.

Background technique

The application of steel structure truss bridge has the history of centuries in the world, it was demonstrated that it have span it is big, it is light-weight and The advantage of safety.Large-scale steel structure (bridge) although application above there are many other forms structures not contend with therewith advantage, Manufacture is difficult, transport is difficult, installation is difficult, has been the problem not solved for many years in the world, this just constrains the extensive of large-scale steel structure significantly Using.

Currently, the manufacture of large-scale steel structure both at home and abroad, nearly all uses welding forming, because convenient welding, simple and easy to do.By In near weld seam molten bath, the temperature difference between the molten iron and periphery low-temperature solid of fusing is up to degree more than 1000, generates between the two huge Thermal stress, the release of thermal stress causes the uncontrollable irregular deformation of material, and this deformation will appear as long as welding. Manufacture steel construction with welding procedure, deform it is big, it is random, just not can guarantee the accuracy of manufacture of steel construction, this is logical knowledge. Therefore, it changes if the steel construction (such as bridge) high to manufacture (use) required precision and uses riveting process.Such as one bridge of wuhan yangtze river, riveting Although connecing the deformation for avoiding welding, hundreds of thousands rivet, engineering is numerous great, and the duration is too long, and expense surges, efficiency is too low-- Both manufacture is difficult.

Modern project requires the scale of construction of steel construction (bridge) increasing, but how the steel construction of " fat person " is transported from factory Low construction site at puzzlement more than hundred years the second hang-ups in the world, thus also limits the application of large-scale steel structure.China " Code for design of steel structures " regulation, structure length are less than 21 meters, and otherwise can not implementing highway transportation, (road, which is unable to satisfy, grows up The turning radius of component), the 21 meters of length and " large size " actually required in engineering of specification restriction are far apart.What if? fortune Defeated difficult nobody for many years can propose very good solution method.

Several hundred tons, a few kiloton or even the tens of thousands of tons that each span self weight of large-scale steel structure (bridge) has, how could so Bridge pier on big object frame? the so big lifting equipment of seldom seen elsewhere.People have to be returned to " welding ", in " riveting " technique Come, the welding of each bar and riveting (as soon as wuhan yangtze river bridge is exactly to construct in this way) forming, then " deforms " and " cumbersome " Like the shadow following the person-- installation is difficult.

Summary of the invention

The utility model is to solve a series of above-mentioned problems of known large-scale steel structure (bridge) technology and what is provided completely new " stretches Exhibition formula truss-rigid-framed structure road and bridge ".It can be used for highway, high-speed railway, magnetic suspended railway and other tracks, non-track road The construction of bridge.

The utility model solves " three is difficult " that large-scale steel structure (bridge) troubles world's many years at one stroke, and becomes a kind of easily system It makes, easily transport, easy to install, easily replacement, maintenance easy to maintain again.

The purpose of the utility model is to provide the large-scale road and bridge structure technologies that one kind easily manufactures: the part of new construction technology, Component, will also use welding during forming, these components will be carried out before assembling integral bridge structure by drawing Then limited several components, are assembled into road and bridge structure just as putting together machines by machining.Therefore new technology road and bridge structure The accuracy of manufacture can reach grade, micron order comparable to the machine accuracy of manufacture.Traditional manufacture of steel structure precision can not hope before this Its person's back.Meanwhile with mach technique, standardization, seriation, generalization may be implemented, and then be automation, intelligent, Continuous productive process can be achieved, not only product quality is protected, and substantially reduces manufacturing cost.This is manufactured in steel construction (road and bridge) The beginning has been started in field --- easily manufacture.

The purpose of the utility model is to provide a kind of large-scale road and bridge structure technologies of easily transport (storage): new construction technology is The combination of " mechanism " and " structure " simultaneously easily converts, and when transport (storage) state, new construction is easily compressed, folded, Structure length is vertical to be subtracted, convenient transportation.The working length of road and bridge structure and the luffing ratio for being compressed folded length, can be according to reality Border needs to design.

Longer, bigger, heavier road and bridge structure, can both be decoupled that (new construction is by several identical folding lists by unit The truss that member is formed by connecting) transport；It is more detachable at single rod piece, to realize accessible transport.Truss structure splits into unit, single Meta structure splits into rod piece, only needs removing or coming loose for several connectors, simple and easy.Arbitrarily long in this way, big, weight road and bridge structure The difficult problem of transport is readily solved, and-- is easy to transport.

The purpose of the utility model is to provide a kind of large-scale road and bridge structure technologies of easy construction and installation: due to this unique structure Technical principle, for relatively light, small and exquisite road and bridge, in factory monomer manufacture, whole assembly, fold storage and transportation to live Afterwards, by lifting equipments such as crane, Bridge Erectors, bridge pier is hung on, one end is fixedly mounted in place, is gently drawn using above equipment another End to next bridge pier, truss structure bridge, can continue to do remaining operation on it, to increase the overall stiffness of truss-type bridges, It is allowed to safer carrying；It is single in factory for large-scale, overweight steel construction road and bridge due to the technical principle of this unique structure Body manufacture, is integrally assembled into cellular construction, can also transport scene to shipped with single pole, by lifting equipment by single pole Unit-- is assembled into only to connect several connectors and lock.Construction and installation first can hang on headend unit first since one end Then second unit is hung to height by bridge pier and fixation, connect four connectors, locking, and successively install subsequent bridge structure Unit is to next bridge pier and fixation；Can also the lifting elements construction simultaneously between adjacent two bridge pier, it is opposite to carry out, finally can be with Realize between two bridge piers and accurately close up, at this time truss structure road and bridge, continue to do remaining operation on it, increase the rigid of bridge Degree forms extended position truss-rigid-framed structure road and bridge, with safer.

It is visible above, the installation of new technology road and bridge thoroughly get rid of integral solder deformation and integrally rivet it is hard to tackle, Installation is easy, is quick, it is contemplated that and the construction period of new technology structure road and bridge is 1/2-2/3 shorter than traditional technology, even more-- easily Installation.

The purpose of the utility model is to provide a kind of truss-type bridges of greater stiffness.The characteristics of due to this structure technology, uses Following subsequent technical measures to improve integral strength, the rigidity of truss road and bridge structure, and become truss-steel frame construction:

1. the main chord of this technology road and bridge structure divides upper layer and lower layer (can also multilayer), totally 4, be the H-type of high 0.28m Steel, bridge floor is having a size of 6.54m × 0.75m × 0.28m box structure, a length of 3.5m of road and bridge structure unit, road and bridge upper layer and lower layer, 6 box structures are shared, 3 every layer are connected with main chord.Being connected for large-size components, undoubtedly just greatly improves road and bridge Rigidity.

2. several support rods that are connected between every two box structure are illustrated at the double dot dash line in triangular pitch such as Fig. 6.Branch Strut selects hot pressing steel pipe.

3. in the utility model structure, every unit has 4 zero bars, in installation, after the molding of truss structure road and bridge, Zero bar in unit is one group relatively two-by-two, and every group of zero bar is welded into a composite roof truss " zero bar truss ", such as Fig. 3, Fig. 9 institute Show, greatly improves the intensity and lateral stability of single zero bar.

4. in this technology, each bridge pier two sides of road and bridge must all pour the steel contour with road and bridge structure for casting out sufficiently wide thickness There are many places built-in fitting in reinforced concrete column, column inside, are connected with zero bar truss being located on bridge pier, avoid in this way, Lateral fine motion of the zero bar truss in work working condition, then by the reinforced concrete upright column of the bridge pier two sides together with each row's road and bridge Steel " zero bar truss " among structure is directly fixed together with fashioned iron 32, forms the very big frame of intensity, rigidity, such as Shown in Fig. 1, Fig. 2.At each bridge pier of the road and bridge structure, as above processing.So how many bridge pier of the overall length of new technology road and bridge With regard to how many frame.

5. in this technology, all road and bridge units, the lower section of the box-structure of upper deck of bridge, at close " zero bar truss ", It is welded with the support rod of certain angle between the two, at triangle rock-steady structure；All road and bridge units, lower layer's bridge floor box-structure it is upper Side is all welded with the triangular support plate of certain angle at " zero bar truss " between the two.Upper support bar and supported underneath Plate synergy, i.e., each cellular construction are a stable little frameworks.

6. in this technology, chord member, web member, zero bar in extended position truss-rigid-framed structure with pin shaft joint at it is all solid embedding Heavy casing, it is hinged integral, to improve connection stiffness.As Fig. 7 shows.

7. in this technology, bridge floor box structure inner surface is fixed with metallic zinc (Zn) stick, remaining tubular rod segments is also like this Processing, so that the anti-oxidation burn into macrobiosis of extended position truss-steel frame construction.

The utility model extended position truss-rigid-framed structure road and bridge are adopted the technical scheme that:

A kind of extended position truss-rigid-framed structure road and bridge, its main feature is that: extended position truss-rigid-framed structure road and bridge include bridge Pier, bridge and bridge floor, bridge are extended position truss-rigid-framed structure, and extended position truss-steel frame construction is by chord member, web member and zero Bar is hinged to integral structure, and bridge pier supports extended position truss-rigid-framed structure bridge, and it is rigid that bridge floor is fixed in extended position truss- On the chord member of bridge formation girder construction.

The utility model extended position truss-rigid-framed structure road and bridge can also adopt the following technical scheme that

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: bridge pier is integral reinforced concrete structure, or Both extended position truss-rigid-framed structure is used to support extended position truss-rigid-framed structure bridge；Extended position truss-rigid frame Bridge pier is chord member, web member, zero bar and strut grafting, is bolted, welds or is hinged to integral structure, and lower margin is leaned in bridge pier bottom Bolt is installed on cushion cap.As Figure 14 shows.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: bridge is extended position truss-rigid-framed structure, is stretched Exhibition formula truss-rigid frame top boom, lower boom are H profile steel, and web member is steel pipe, and zero bar is steel pipe, H profile steel chord member, web member and zero Bar with pin shaft joint at all solid embedding heavy casing, be hingedly linked into one by pin shaft, to reinforce joint rigidity.Such as Fig. 7 institute Show.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: bridge top boom, web member and zero bar pass through machine It is process type；H-type chord member is rejected in hinged place using its cross-section center line as boundary on one side, and reverse side compensation is reinforced；Adjacent list First chord member is rejected in another side and reverse side compensation is reinforced, and Unit two are in center line two sides hinge coupled, and H-type chord member is held after compensation It is identical as before rejecting or bigger to load with lotus.As shown in Figure 5.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: bridge floor is by several monomer box structures and chord member It is connected and forms, several strengthening versions intersected in length and breadth and vertical mode is arranged are fixedly mounted in box structure, to guarantee two in length and breadth, bridge floor The rigidity in direction.Several support rods are connected between every two box structure into triangular pitch (as shown in double dot dash line in Fig. 6), branch Strut is steel pipe, to improve road and bridge lateral stiffness.As shown in Figure 6.

Steel rail laying is used for rail traffic on bridge floor, or is laid with cement or pitch for motor vehicle, non-motor vehicle or pedestrian Traffic；Equipped with according to facility, communications service and safety protection facility on bridge floor.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: road and bridge laterally lay 1-10 and arrange channel, Zong Xiangbu If 2-5 layers of bridge floor.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: when road and bridge are drawn into, have 4 in each bridge unit Zero bar of root, it is relatively in pairs two-by-two, by dual zero bar welding at truss, claim " zero bar truss ", to increase zero bar rigidity, intensity, There is two pair of zero bar truss in every unit.As shown in Fig. 3, Fig. 9.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: all road and bridge units, the box knot of upper deck of bridge The lower section of structure is support rod at zero bar truss, being fixed with rectangle steel pipe at an angle to each other between the two；Lower layer's bridge floor case The top of type structure is fixed with triangular support plate at an angle to each other at zero bar truss between the two.Upper support bar, With supported underneath plate synergy, making each unit of road and bridge structure is laterally stable steel frame construction.As shown in Figure 2.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: each bridge pier two sides are prefabricated with generous enough The reinforced concrete upright column contour with road and bridge beam, there is many places built-in fitting and zero bar truss to be connected, thereon to increase road and bridge structure Lateral stiffness.As shown in Figure 2.The reinforced concrete upright column of bridge pier two sides is used with the zero bar truss of steel among road and bridge structure Fashioned iron straight line is fixed together, and the very big frame of rigidity is formed, to increase the lateral stiffness of road and bridge structure.As shown in Figure 2.

Extended position truss-rigid-framed structure the road and bridge, its main feature is that: components used in structure remove H profile steel, work It is all hollow steel tube or hollow box-structure outside word steel and pivot pin, these components are connected before welding assembling in its inner wall Zinc grade (Zn) stick reduces the corrosion of steel and iron parts, and the hollow steel tube of road and bridge or hollow case to utilize chemical activity sequence Shape structure member when assembling welding, makes the sealing of these components in front of hollow, first fills inside it in last one of weld bond After lightweight foamed plastics, after high pressure sprays into waste diesel, machine oil mist (first filtering waste oil) is stained with integral foam plastics, then carry out Welding sealing, to prevent steel construction road and bridge hollow material internal oxidation from corroding for a long time.

The utility model has the advantages and positive effects of:

Extended position truss-rigid-framed structure road and bridge due to using the completely new technical solution of the utility model, with the prior art Compare, the utility model with uniset fabricate, be integrally assembled into road and bridge, be folded into small size transport, one draw road Bridge, realizes Fast Installation, and easy to maintain, easy maintenance, easily replacement, greatly saving construction cost, cost performance are very high.Suitable for one Large, medium and small type, light-duty, heavy construction of road and bridge are cut, such as highway, high-speed railway, magnetic suspended railway and all tracks, non-rail The construction of road and bridge in road.

Detailed description of the invention

Fig. 1 is the utility model extended position truss-rigid-framed structure road and bridge structure schematic diagram；

Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；

Fig. 3 is zero bar truss structure schematic diagram in Fig. 1；

Fig. 4 is truss structure schematic diagram；

Fig. 5 is extended position truss structure node connecting structure schematic diagram；

Fig. 6 is chord member H profile steel and box structure attachment structure schematic diagram；

Fig. 7 is chord member, web member, zero bar attachment structure schematic diagram；

Fig. 8 is web member connecting board structure schematic diagram；

Fig. 9 is zero bar truss structure schematic diagram；

Figure 10 is zero bar truss structure schematic diagram；

Figure 11 is zero bar and chord member structural schematic diagram；

Figure 12 is truss bridge pier and suspended deck structure schematic diagram；

Figure 13 is that structural schematic diagram is plugged and fixed in the chord member of Figure 14；

Figure 14 is the chord bolt fixed connection structure schematic diagram of Figure 14.

In figure, 1, bridge pier, 2, chord member, 3, web member, 4, zero bar, 5, motor-car, 6, street lamp, 7, automobile, 8, bridge floor, 9, H profile steel, 10, diaphragm plate, 11, midfeather, 12, I-steel, 13, box-shaped bridge floor panel, neutral gear between 14, box structure and I-steel, 15, plus Strong plate, 16, hinge hole, 17, chord member, zero bar, web member casing, 18, web member connecting plate, 19, thin plate, 20, stiffening plate, 21, chord member, 22, strut, 23, I-steel plug-in unit, 24, I-steel slot, 25, connector, 26, connector, 27, bolt, 28, nut, 31, Node thickening plate, 32, fashioned iron, 33, cushion cap, 34, bridge floor strut.

Specific embodiment

For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates Detailed description are as follows for attached drawing:

Embodiment 1

Refering to attached drawing 1 to Figure 11.

A kind of extended position truss-rigid-framed structure road and bridge, including bridge pier 1, bridge and bridge floor 8, bridge are extended position truss- Rigid-framed structure, extended position truss-rigid frame is hinged to integral structure by chord member 2, web member 3 and zero bar 4, and is added in many places The technical treatment of strong structure rigidity.Reinforced concrete bridge pier 1 supports extended position truss-rigid-framed structure bridge, and bridge floor 8 is fixed in On extended position truss-rigid-framed structure chord member 2.

Extended position truss-rigid frame top boom and lower boom are H profile steel (or non-H profile steel), H profile steel chord member size: 280mm×280mm×24mm；Web member 3 is rectangle steel pipe, and sectional dimension: 220mm × 140mm × 10mm, zero bar 4 are rectangular Steel pipe, sectional dimension: 140mm × 140mm × 8mm.H profile steel chord member 2, web member 3 and zero bar 4 are hingedly integrally formed by pin shaft.String Bar 2, web member 3 and zero bar 4 are by being machined into.

Extended position truss-rigid frame road and bridge H-type (or non-H-type) chord member in articulated position using its cross-section center line as boundary, It rejects on one side, reverse side compensation has stiffening plate 15, and adjacent cells chord member is rejected in another side and reverse side compensation is reinforced, and Unit two are in Heart line two sides hinge coupled, such as Fig. 5.Compensated chord member bearing capacity, it is preceding identical or stronger as rejecting, see Fig. 5, Fig. 7.

Bridge floor 8 is connected with chord member 2 by several box structures and is formed, and vertical and cross arrangement cross is fixed in box structure Partition 10 and midfeather 11.Case structure size: 6.54m × 0.75m × 0.28m.

It is connected several support rods between every two box structure into triangular pitch, as shown in double dot dash line in Fig. 6, supports Bar is (140 × 140 × 8) mm steel pipe, to improve road and bridge lateral stiffness.

There is about 42mm neutral gear on bridge floor between every two box structure, 7 I-steel, such as Fig. 6 are longitudinally welded at space It is shown.Having a size of 280mm × 124mm × 13.7mm, in addition, there are also neutral gear between box-structure and I-steel, need to weld with a thickness of " T " letter stencil of 10mm paves bridge floor with reinforcement.I-steel lower plane is concordant with box structure lower plane, equal in I-steel bottom Balanced welding one (124 × 62 × 6) mm plate is simultaneously welded with box structure lower plane, to improve tensile strength, such as Fig. 6.

This extended position truss-rigid-framed structure laterally lays 4 rows, forms 3 channels, and longitudinal road surface is 2 layers.On road surface Steel rail laying is used for rail traffic, can also lay cement on road surface or pitch, is used for motor vehicle, non-motor vehicle and pedestrian traffic, Road and bridge bridge floor is equipped with illuminating street lamp 6, communication and safety protection facility safety post.

The specific implementation process of the present embodiment:

Extended position truss-rigid-framed structure road and bridge first makes chord member, web member and the forming of zero bar, assembling by machining in workshop Integral or cellular construction is actually needed according to transport and construction, by extended position truss-steel frame construction foldable integral storage and transportation, or Unit even single rod piece is splitted into transport to construction site；Case structure bridge floor is processed, it can be with extended position truss-depending on condition Steelframe is connected good luck to building site, is connected again after can also being transported to respectively building site.It, can be by rising for medium and small, light-duty road and bridge Heavy-duty machine and Bridge Erector implement bridge pier in integral hoisting, and gently being drawn using Bridge Erector can be at extended position truss structure road and bridge to next Bridge pier after the locking of each unit node, connects firmly remaining box structure and technical measures already described before some other, such as " zero bar purlin Forming of frame " etc., to greatly improve the strength and stiffness of extended position truss road and bridge, the steel rail laying on bridge floor is used for track Traffic can also be laid with cement or pitch for motor vehicle, non-motor vehicle and pedestrian traffic on road surface.Road is installed on road and bridge structure Lamp, communications service and safety protection facility.

Embodiment 2

Refering to attached drawing 3 to Figure 14.

A kind of extended position truss-rigid-framed structure road and bridge, construction of road and bridge of the road and bridge suitable for Shiwan Dashan.Including bridge Pier 29, bridge and bridge floor, bridge are extended position truss-rigid-framed structure, and extended position truss-rigid frame bridge is chord member 2, web member 3 and zero bar 4 be hinged to integral structure, bridge pier supports extended position truss-rigid-framed structure bridge, and bridge floor is fixed in extended position purlin On frame-rigid frame bridge structure chord member 2, bridge floor is made of several case structures.Case structure having a size of (6.54 × 0.75 × 0.20) m is fixedly mounted with several piece vertical arrangement and intercalated diaphragm plate 10 and midfeather 11 in each box structure.

It is connected several support rods between every two box structure into triangular pitch, as shown in double dot dash line in Fig. 6, supports Bar is (100 × 100 × 6) mm, to improve road and bridge lateral stability.

There is about 42mm neutral gear on bridge floor between every two box structure, 7 I-steel, such as Fig. 6 are longitudinally welded at space It is shown.Having a size of 200mm × 124mm × 13.7mm, in addition, there are also neutral gear between box-structure and I-steel, need to weld with a thickness of " T " letter stencil of 9mm paves bridge floor with reinforcement.I-steel lower plane is concordant with box structure lower plane, right in I-steel bottom Claim one (124 × 62 × 6) mm plate of weldering and welded with box structure lower plane, to improve tensile strength, such as Fig. 6.

Different from embodiment 1, bridge pier is extended position truss-rigid-framed structure, and cushion cap is fixed on foundation bolt in bridge pier bottom On.Extended position truss-the steel frame construction, it is about the same with bridge structure composition form, but the type selecting of chord member, web member and zero bar It is different.

Bridge pier structure is divided into 3,4,5,6 or 8 planar extension formula truss structures depending on actual needs, should After bridge pier is also uniset processing and manufacturing, folds or transport scene to after splitting, stretches or entirety is assembled into planar structure, then borrow Helping lifting equipment, grafting is installed piecewise, and each planar structure installs additional after being connected again at space extended position truss-rigid frame bridge pier structure Bridge pier after structure is installed, is packed in the foundation bolt of cushion cap to increase bridge pier integral strength, rigidity by more support rods On；Bridge pier can also be transformed into respectively by the extended position truss of every single side and be packed on cushion cap lower margin, then on cushion cap piecewise Grafting is fixed at space extended position truss steel frame construction, and with cushion cap lower margin, installs more support rods additional again after being connected to increase bridge Pier overall stiffness.

Chord member, using its cross-section center line as boundary, is rejected on one side in position of articulating point, and reverse side compensation is reinforced；Adjacent cells are another It rejects on one side and reverse side compensation is reinforced, Unit two are in center line two sides hinge coupled.Compensated chord member bearing capacity and rejecting It is preceding identical or stronger.

Extended position truss-rigid-framed structure road and bridge, about 40 meters of adjacent two bridge piers span, the H profile steel of bridge is having a size of 200mm ×200mm×18mm；Web member size: 180mm × 100mm × 8mm, zero bar size: 100mm × 100mm × 6mm.H profile steel string Bar, web member and zero bar are all embedded with heavy casing in hinged place admittedly.

This extended position truss-rigid frame road and bridge be it is single, it is respectively 2 lanes that road surface, which is 2 layers, up and down totally 4 lane, on road surface It is laid with cement or pitch, is used for motor vehicle, non-motor vehicle and pedestrian traffic, is set on road and bridge equipped with street lamp, communication and security protection It applies.

The present embodiment is designed for 900,000,000 mountain peoples, and traffic of mountain area construction of road and bridge is suitable for, and Shan Shan, mountain are realized in mountain It is connected between water, mountain people is made to incorporate modernization spring tide as early as possible, pushes economic society all-round developing.

The specific implementation process of the present embodiment:

Extended position truss-rigid-framed structure road and bridge first processes chord member, web member and zero bar by machining mode in workshop, It is assembled into bridge and bridge pier respectively by unit.It is transported according to the actual needs entirety or fragment of transport and installation to building site, by upper It after the method for stating is assembled into bridge pier, is fixed on cushion cap lower margin, then support rod is installed to improve pier stiffness.Then by extended position purlin On bridge pier, each unit is connected into one by pivot pin for frame structural bridge entirety or sub-unit, do several it is already described subsequent above Work, makes truss-steel frame construction.Two layers of road surfacing cement or pitch are used for motor vehicle, non-motor vehicle and pedestrian Traffic.Street lamp, communication and safety protection facility are equipped on road and bridge.

The present embodiment fully achieves the processing and manufacturing of uniset possessed by the utility model, is integrally assembled into road and bridge, rolls over It is folded or split into small size transport, one draw road and bridge realize Fast Installation.Easy to maintain, easy maintenance, easily replacement are greatly saved and are built It is set as this, cost performance is very high.Its principle, manufacture fold or tear open zero transport, and fast and easy is precisely mounted to big rigidity road and bridge Etc. a series of unique distinctions, it is adapted to all tracks and non-track construction of road and bridge.

Claims (8)

1. a kind of extended position truss-rigid-framed structure road and bridge, it is characterized in that: extended position truss-rigid-framed structure road and bridge include bridge pier, Bridge and bridge floor, bridge are extended position truss-rigid-framed structure, and extended position truss-steel frame construction is cut with scissors by chord member, web member and zero bar It is connected into integral structure, bridge pier supports extended position truss-rigid-framed structure bridge, and bridge floor is fixed in extended position truss-rigid frame knot On the chord member of structure bridge；Bridge pier is integral reinforced concrete structure or extended position truss-rigid-framed structure, both for branch Support extended position truss-rigid-framed structure bridge；Extended position truss-rigid frame bridge pier is chord member, web member, zero bar and strut grafting, spiral shell It tethers and connects, welds or be hinged to integral structure, bridge pier bottom is installed on cushion cap by foundation bolt.

2. extended position truss-rigid-framed structure road and bridge according to claim 1, it is characterized in that: bridge is extended position truss- Rigid-framed structure, extended position truss-rigid frame top boom, lower boom are H profile steel, and web member is steel pipe, and zero bar is steel pipe, H profile steel string Bar, web member and zero bar with pin shaft joint at all solid embedding heavy casing, be hingedly linked into one by pin shaft, it is rigid to reinforce node Property.

3. extended position truss-rigid-framed structure road and bridge according to claim 2, it is characterized in that: bridge top boom, web member and Zero bar is by being machined into type；H-type chord member is in hinged place, and using its cross-section center line as boundary, H-type chord member one side is rejected, Reverse side is fixedly mounted with compensation stiffening plate；Adjacent cells H-type chord member is rejected in another side and reverse side is fixedly mounted with compensation stiffening plate, and Unit two are in Heart line two sides hinge coupled.

4. extended position truss-rigid-framed structure road and bridge according to claim 1, it is characterized in that: bridge floor is by several monomer box-shapeds Structure is connected with chord member and forms, and several strengthening versions intersected in length and breadth and vertical mode is arranged are fixedly mounted in box structure；Every two box-shaped Be connected several support rods between structure, at triangular pitch；Equipped with according to facility, communications service and safety protection facility on bridge floor.

5. extended position truss-rigid-framed structure road and bridge according to claim 4, it is characterized in that: road and bridge laterally lay 1-10 row Channel, it is longitudinal to lay 2-5 layers of bridge floor.

6. extended position truss-rigid-framed structure road and bridge according to claim 1, it is characterized in that: when road and bridge stretch forming, often There are 4 zero bars in a structural unit, relatively in pairs two-by-two, dual zero bar welding has two pair zero in every unit at truss structure Bar truss.

7. extended position truss-rigid-framed structure road and bridge according to claim 5 or 6, it is characterized in that: each unit, upper layer bridge The lower section of face box-structure is support rod at zero bar truss, being fixed with steel pipe at an angle to each other between the two；Lower layer's bridge floor The top of box-structure is fixed with triangular support plate at an angle to each other at zero bar truss between the two.

8. extended position truss-rigid-framed structure road and bridge according to claim 1, it is characterized in that: each bridge pier two sides are prefabricated There is the reinforced concrete upright column contour with road and bridge beam generous enough, there are several built-in fittings and zero bar truss to be connected thereon；Bridge pier The reinforced concrete upright column of two sides is fixed together with the zero bar truss of steel among road and bridge structure with fashioned iron straight line, forms frame Frame.