CN102535367A - Ribbed guardrail plate - Google Patents
Ribbed guardrail plate Download PDFInfo
- Publication number
- CN102535367A CN102535367A CN2012100175488A CN201210017548A CN102535367A CN 102535367 A CN102535367 A CN 102535367A CN 2012100175488 A CN2012100175488 A CN 2012100175488A CN 201210017548 A CN201210017548 A CN 201210017548A CN 102535367 A CN102535367 A CN 102535367A
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- Prior art keywords
- floor
- beam slab
- guardrail board
- plate
- rib shape
- Prior art date
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
Abstract
The invention discloses a ribbed guardrail plate comprising a beam plate, wherein a plurality of rib plates integrated with the beam plate are arranged on the plate face of the beam plate; the beam plate and the rib plates extend in the length direction of the guardrail plate; the beam plate is a thermoplastic composite plate or a thermoplastic material plate; the rib plates are thermoplastic composite plates; and each thermoplastic composite plate comprises a reinforcing frame wrapped in a thermoplastic material layer. Aiming to overcome the defects of high probability of corrosion, high rigidity and poor collision energy absorption of a steel guardrail plate, small elastic modulus, large size and high cost of the all-plastic material of an all-plastic guardrail plate, and complex manufacturing technology and worse collision energy absorption of a plastic-steel guardrail plate, the invention provides the ribbed guardrail plate, which has the advantages of corrosion resistance and lower maintenance difficulty and can excellently absorb collision energy to reduce harm to a vehicle and personnel.
Description
Technical field
The invention belongs to the traffic safety facilities technical field, relate to a kind of guardrail board, relate in particular to a kind of rib shape guardrail board.
Background technology
High-speed transit is gone along with sb. to guard him, normal need to use protected apron or guardrail are gone along with sb. to guard him in large-scale place; The use field is extensive; Relate to a plurality of industries such as traffic, agricultural, amusement, industry, building, the anticollision facility of the livestock stable breeding on for example guardrail is often used in agriculture, large-scale residential community, speedway, bridge, large scale industry base and large-scale public place of entertainment such as race course, cycling track etc.
Wherein, of paramount importance security protection is traffic, and particularly speedway, through street and bridge all need guardrail, and the main effect of guardrail is to the driving vehicle protection, prevents to go out when accident from appearring in vehicle road and causes bigger personnel and vehicle loss.Existing guardrail adopts corrugated beam steeled protection fence basically; This guardrail adopts the corrugated cold-rolled steel sheet that has 2～3 half-waves as guardrail board usually; This guardrail board overlaps each other or splices each other and by upright supports through connector; Or connect to form continuous road anticollision barrier structure through obstruction block and column, and utilize the distortion of soil matrix, column, obstruction block, corrugated guardrail plate to come progressively absorbing impact energy, force errant vehicle to change direction.But the corrosion easily of the guardrail board of this girder steel surface, its appearance poor, application life are short, even excellently also want regular full maintenance, comprehensive cost and maintenance cost are higher.And the guardrail board hardness that girder steel is processed is high, rigidity is big, and the time of contact that errant vehicle and breast board bump against is short, so energy absorption ability is relatively poor, and is bigger to vehicle and occupant's harm.
Above-mentioned defective based on steel guard rail; The guardrail board that " to mould Dai Gang " processed has appearred; Like publication number is the Chinese patent " a kind of flexible pavement guardrail " of CN2350430A, discloses vibration damping property and flexibility that " B " font hollow-core construction that adopts PE plastic material slush moulding to form improves guardrail board.Publication number is that the Chinese patent " resin guardrail " of CN101023222A discloses through resin-molded and processes, and the hollow honeycomb panel-shaped base body that wavy cross-section, cross rib are alternately arranged makes guardrail board have higher-strength and shock-absorbing function.Above-mentioned guardrail board " to mould Dai Gang " though technical solution solved the easy corrosion of steel guard rail, appearance poor, application life is short, energy absorption ability is relatively poor, the problem bigger to vehicle and occupant's harm; But owing to will accomplish to prevent that vehicle from running off outside the road; The inevitable requirement guardrail has suitable mechanical strength and rigidity; Just can keep out the collision of vehicle; And the elasticity modulus of materials of plastics has only 1/200th (about 190000Mpa, the elasticity modulus of materials of polyvinyl (PE) is about 800Mpa like the elasticity modulus of materials of carbon steel) of steel, and the guardrail of this all-plastic structure just needs to consume more material just can reach the intensity that steel guard rail requires; Therefore the volume of overall plastic guardrail is big, cost is very high, is unfavorable for promoting the use of.
" steel is moulded compound " is another kind of solution.Like publication number is to bury reinforcing bar or gauze wire cloth in the Chinese patent " highway protecting fence made of composite material and production method thereof " of CN1393600A has proposed, and with unsaturated-resin, auxiliary material, the compound guardrail of glass fiber layer of cloth mold pressing.Publication number is that the Chinese patent " road guard member " of CN2644499A proposes at steel plate or the band steel polymer material layer through the corrugated guardrail plate surface coverage compound extrusion moulding of clod wash machine-shaping.In the guardrail scheme of above-mentioned steel and plastic composite material, the compound mode of mold pressing can't be produced continuously, causes production efficiency lower; The extrusion molding on waveform steel guard rail plate surface, its technology comparatively complicacy rise its cost.Have the problem of compatibility in the existing plastic-steel guardrail of the what is more important product between the plastic-steel, the peel strength between the plastic-steel is lower, use with installation process in be prone to because of plastic-steel separates, make its intensity and toughness deficiency, do not reach instructions for use and be prone to breakage; And the shrinkage factor that plastic-steel expands with heat and contract with cold is different; Expand with heat and contract with cold between the plastic-steel and can the relative slippage of appearance make the mating face of the two have the space between back two kinds of materials; To cause moisture to get into the steel of corrosion inside along the space on mating face from the breakage of material surface; Reduce the application life of guardrail board, and cause potential safety hazard.And above-mentioned plastic-steel guardrail all is the hard guardrail, or because of plastic-steel is easily separated can not rolling and bending, cause transportation and store inconvenience, and because of the guardrail board limited length, it is more that required accessory is installed, and makes its installation loaded down with trivial details.And above-mentioned plastic-steel guardrail is the main support parts with middle steel structure material still; Its outside compound plastics only are used to improve the effect that guardrail is corrosion-resistant, reduce curing requirements; Guardrail board hardness can not be reduced well, the crash energy that passes to vehicle can not be reduced well.
Summary of the invention
The technical problem that the present invention will solve is, to steel guardrail board in the prior art exist perishable, hardness is high, to colliding the defective of energy absorption difference; The overall plastic elasticity modulus of materials of overall plastic guardrail board is little, volume big, defect of high cost; And steel moulds compound guardrail board complex manufacturing, crash energy and absorbs relatively poor relatively defective, provide a kind of corrosion-resistant, alleviate the maintenance difficulty, can the good absorption crash energy reduce rib shape guardrail board vehicle and personnel's injury.
The technical solution adopted for the present invention to solve the technical problems is: a kind of rib shape guardrail board; Comprise beam slab, be provided with a plurality of and the floor beam slab integrative-structure that said beam slab and floor extend along the length direction of guardrail board at beam slab plate face; Said beam slab is thermoplastic composite plate or heat-stabilized wood flitch; Said floor is the thermoplastic composite plate, and said thermoplastic composite plate comprises the enhancing skeleton, is coated with layer of thermoplastic material at said enhancing skeleton.
No gap is combined into one between the layer of thermoplastic material of said thermoplastic composite plate and the enhancing skeleton, and under 20 ℃ ± 5 ℃ conditions, the peel strength between enhancing skeleton and the layer of thermoplastic material is greater than 75N/cm.The method of testing of said peel strength is:
A) to scratch width be 15mm-25mm, rectangular more than the long 120mm along same direction with layer of thermoplastic material, should draw the mating face between diathermanous moulding material and the enhancing skeleton when scratching, and lever up an end.
B) with Material Testing Machine with at the uniform velocity pull-up layer of thermoplastic material of speed vertical thermal moulding material laminar surface smaller or equal to 12mm/min, record dynamometer numerical value.The power value of record is peel strength divided by the width of peeling off of layer of thermoplastic material during with mensuration, and unit is N/cm.
The edge that said floor is fixedly connected with beam slab is the bottom, and the floor opposite side edge of bottom is the top relatively, and extend to the top from the bottom with straight line, broken line or camber line form on said floor surface, and said floor is perpendicular to said beam slab setting; Or said floor is obliquely installed on the plate face of said beam slab and bottom inclination angle or the overall inclination angle of said floor on beam slab is not less than 70 °.
The top of said floor is provided with flange, and perhaps said floor cross section is the wedge shape of tip thickness greater than the bottom; Said floor bottom flushes with the beam slab edge, and perhaps said floor bottom slightly is shorter than beam slab.
Said floor interval or cross arrangement leave spacing between the adjacent said floor plate face on the plate face of beam slab one side.
Said floor is along the vertical symmetry arrangement of beam slab, arrange or the setting of arranging of waveform projection with respect to installing hole in groups.
Press the degree of protection and/or the difference in height of floor from the bottom to the top of guardrail; The minimum thickness of said floor and the floor ratio along the overhang of straight line, broken line or camber line from the bottom to the top is 1: 3～1: 25; The thickness of said first floor is measured along the vertical direction of axis on its cross section, and the overhang of said first floor is measured according to the length direction of axis on its cross section.
Be provided with between two adjacent said floors and be used for the dowel of one deck at least that two floors are linked together, said dowel and floor integrative-structure, said dowel are the thermoplastic composite plate, and perhaps said dowel is the heat-stabilized wood flitch.
It is disrumpent feelings mouthful that said dowel is provided with at least one place, make dowel one by one directional fracture to absorb energy and that floor is lodged one by one is superimposed.
Serve as reasons in outside anti-aging wear-resisting overcoat, the overcoat pliable and tough shock resistance and do not have the broken cushion coat unseparated two-layer structure that is combined with each other of said heat-stabilized wood flitch; Perhaps said heat-stabilized wood flitch is the single layer structure that only comprises pliable and tough shock resistance and do not have broken cushion coat.
The layer of thermoplastic material of said thermoplastic composite plate is the unseparated three layer construction that is combined with each other, and is followed successively by bonding attached to strengthening setting course, the pliable and tough shock resistance on the skeleton and not having broken cushion coat and anti-aging wear-resisting overcoat from inside to outside.
Said setting course is a resin of binding property material compatible with the gentle chemical characteristic towards layer of enhancing skeleton and mutual bonding; Said cushion coat coats outside the said setting course and does not have broken macromolecular material by pliable and tough and impact and process; Said overcoat is to be compounded in the outer and macromolecular material that have an ageing resistace of cushion coat to process.
Said enhancing skeleton is to select the section bar of hot strength far above thermoplastic material; The hot strength of said enhancing skeleton is 1: 10～1: 150 with the ratio of the hot strength of thermoplastic material.
Said enhancing skeleton is tabular, bar shaped, tubulose, linear or pencil, and perhaps said enhancing skeleton is that tabular, strip or linear pressure tabled scarf or cross section cold rolling, that welding is combined into one are tree-like; Or said enhancing skeleton is that a plurality of section bars are arranged side by side or spacing is arranged thermoplastic to be combined into overall sectional be tree-like structure.
Said beam slab can be at least a template in flat board, arc, hollow sheeting, the sketch plate.
Correspondence has installing hole on said beam slab and the said dowel; In said installing hole place beam slab and the dowel at least one be thermoplastic composite plate and mounting hole site on the enhancing skeleton, the incision of the enhancing skeleton of corresponding corrosion susceptible materials is coated with layer of thermoplastic material in the said installing hole.
The present invention is employed in a plurality of and the floor beam slab integrative-structure is set on the side plate face of beam slab, and floor is towards the track, because the outstanding beam slab of floor; After collision happens; At first can touch floor, the lodging of collision back floor can slow down the suffered impact of errant vehicle, and floor is the thermoplastic composite plate simultaneously; The thermoplastic composite plate comprises the enhancing skeleton and strengthens the layer of thermoplastic material that the skeleton outsourcing is covered; Strengthen skeleton and have suitable rigidity and intensity, layer of thermoplastic material has pliability, shock resistance and do not have fragmentation; Therefore the thermoplastic composite plate of processing has suitable rigidity and certain pliability, and the pliability of thermoplastic composite plate and rigidity are creatively brought into play its effect respectively in the different phase of hit impact protection process in a product.
In the starting stage of impact event; Because the layer of thermoplastic material shock resistance preferably of floor is flexible; And a plurality of floor lodging, multilayer dowel by Vehicular impact forms can also be through the progressively distortion of taking advantage of a situation of directional fracture, enhancing skeleton one by one of preset disrumpent feelings mouth; All can prolong the time of contact of vehicle and guardrail, reduce impact peak value, slow down the suffered impact of errant vehicle; And the pliability of floor layer of thermoplastic material can avoid guardrail fragmentation and component thereof to pierce through car body with the progressively distortion lodging of taking advantage of a situation, and jeopardizes the occupant.Deformation stage in impact event; The enhancing skeleton of lodging is superimposed upon on the beam slab with the form of leaf spring; Make the surperficial bulk strength of meeting improve to Vehicular impact; The leaf spring structure that strengthens skeleton lodging stack adds the wherein damping action of layer of thermoplastic material, makes whole guardrail have the bumper and absorbing shock function, can prevent that vehicle from passing through guardrail or topple on guardrail.Ending phase in whole impact event; Because the skin-friction coefficient of thermoplastic material is less; And combine the floor of lodging higher-strength and shock-absorbing function to be provided with the leaf spring structure; And the beam slab of guardrail board of the present invention and floor extend can grow along the length direction of guardrail board and lay apart from free of discontinuities, and the connecting bolt head height degree at installing hole place is lower than the design height of the range upon range of floor that lodges, help errant vehicle with less angle along the without hindrance derivation of taking advantage of a situation of guardrail; The vehicle movement track is proofreaied and correct, let it get back to traveling lane.
In the guardrail board of the present invention; Beam slab employing heat-stabilized wood flitch or thermoplastic composite plate, floor adopt the thermoplastic composite plate to process; The integral body of guardrail board has suitable intensity and rigidity; Also have certain pliability, can continuously produce the very long continual guardrail board of length, and guardrail board ability rolling rolling is so that transport and accomplish the long apart from laying of random length.The safety that rib shape guardrail board of the present invention not only improves guardrail can also improve the installation effectiveness of guardrail; Disposable the laying of long distance also reduced the guardrail board connector, practices thrift cost.And then can on-the-spotly cut off, change the guardrail board of errant vehicle damage, the bare metal of cut-off part coats anticorrosion, and with the connector pad be connected.Rib shape guardrail board flexibility of the present invention is moderate, also makes things convenient for the guardrail setting and the installation in road knee.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2;
Fig. 3 is the structural representation of the embodiment of the invention 3;
Fig. 4 is the structural representation of the embodiment of the invention 4;
Fig. 5 is the structural representation of the embodiment of the invention 5;
Fig. 6 is the structural representation of the embodiment of the invention 6;
Fig. 7 is the structural representation of embodiment of the invention heat-stabilized wood flitch;
Fig. 8 is the structural representation of first kind of embodiment of embodiment of the invention thermoplastic composite plate;
Fig. 9 is the structural representation of second kind of embodiment of embodiment of the invention thermoplastic composite plate;
Figure 10 is the structural representation of the tree-like enhancing skeleton of the embodiment of the invention.
The specific embodiment
To understand in order technical characterictic of the present invention, purpose and effect being had more clearly, to contrast accompanying drawing at present and specify the specific embodiment of the present invention.
Shown in Fig. 1～10; A kind of rib shape guardrail board; Comprise beam slab 100, be provided with a plurality of and floors 200 beam slab 100 integrative-structures that said at least floor 200 is the thermoplastic composite plate at beam slab 100 plate faces; Said beam slab 100 extends with the length direction of floor 200 along guardrail board, and rib shape guardrail board promptly of the present invention is the continuous in the same way extension of beam slab 100 and floor 200 and receives and process the sheet material that volume perhaps cuts into piece.
Said thermoplastic composite plate comprises the enhancing skeleton; Be coated with layer of thermoplastic material at said enhancing skeleton; Said layer of thermoplastic material is combined into one in the crack with strengthening skeleton continuously, and requires layer of thermoplastic material and the peel strength that strengthens skeleton greater than 75N/cm (under 20 ℃ ± 5 ℃).
The method of testing of said peel strength is:
A) to scratch width be 15mm-25mm, rectangular more than the long 120mm along same direction with layer of thermoplastic material, should draw the mating face between diathermanous moulding material and the enhancing skeleton when scratching, and lever up an end.
B) with Material Testing Machine with at the uniform velocity pull-up layer of thermoplastic material of speed vertical thermal moulding material laminar surface smaller or equal to 12mm/min, record dynamometer numerical value.The power value of record is peel strength divided by the width of peeling off of layer of thermoplastic material during with mensuration, and unit is N/cm.
Said beam slab and floor extend along the length direction of guardrail board, therefore can adopt the compound mode of thermoplastic coextrusion to produce continuously.Its peel strength is higher, stressed and expand with heat and contract with cold after can not produce the relative slippage between the material layer, make its advantage that can give full play to thermoplastic composite, in use have higher intensity and toughness.In manufacturing and installation process, not easily separated between the material layer, be convenient to rolling, uncoiling aligning and curved arc and lay, made things convenient for transportation, storage and installation.Rib shape guardrail board of the present invention can be produced the guardrail board of random length owing to can uninterruptedly produce continuously, can cut off by conventional fixed length 4m according to the actual order needs, but also rolling rolling is convenient to transportation and is laid with on-the-spot.Can lay rolling guardrail board uncoiling leveling or curved arc according to the installation needs during on-the-spot the laying.According to " expressway traffic safety facilities design and construction technical specification JTJ074-94 ": the guardrail minimum is provided with length should not be less than 70m.The present invention preferably adopts the guardrail board of length, mainly considers the mass action of guardrail, has not only simplified the installation connection procedure; Also can make guardrail bring into play whole structure well as continuous beam, help errant vehicle with less angle along the without hindrance derivation of taking advantage of a situation of guardrail, prolong the contact length of collision vehicle and guardrail; Thereby prolongation collision time; Reduce the acceleration that subtracts of vehicle, improve the crashworthiness of guardrail, reduce passenger's injures and deaths and vehicle damage.If it is shorter that guardrail is provided with length, then be not easy to bring into play the guide function of guardrail, increased the danger that errant vehicle bumps.
Shown in Fig. 1～6, floor 200 is arranged on the plate face of beam slab 100 and with beam slab 100 and is structure as a whole, and integrative-structure has strengthened the bonding strength between beam slab 100 and the floor 200, and can continuous disposable production obtain guardrail board.Floor 200 is primary structures of guardrail board; Floor 200 major functions are to tackle and vehicle impact is cushioned; Vehicular impact at first contacts floor 200, through the orientation lodging buffering of floor 200, is folded on the plate face of beam slab 100 through the form of the floor 200 after the lodging with similar leaf spring more earlier; Make and meet surperficial bulk strength raising to the guardrail board of Vehicular impact; The lodging iterative structure that strengthens the similar leaf spring of skeleton adds the wherein damping action of layer of thermoplastic material, makes whole guardrail have bumper and absorbing shock function preferably, can prevent that vehicle from passing through guardrail or topple on guardrail.The edge that said floor 200 is fixedly connected with beam slab 100 is the bottom; The floor 200 opposite side edges of bottom are the top relatively; Extend to the top from the bottom with straight line, broken line or camber line form on said floor 200 surfaces; Said floor 200 is provided with perpendicular to said beam slab 100, or said floor 200 is obliquely installed on the plate face of said beam slab 100, and bottom inclination angle or the overall inclination angle of said floor 200 on beam slab 100 is not less than 70 °.
Said floor 200 intervals or cross arrangement leave spacing between the adjacent said floor plate face on the plate face of beam slab 100 1 sides.So not only save material, reduce cost, floor 200 has also had bigger lodging distance, can make full use of this distance vehicle is cushioned, and absorbs crash energy, reduces the injury to vehicle and personnel.Said floor 200 is along beam slab 100 vertical symmetry arrangement, arrange or the setting of arranging of spacing wave-shaped projection with respect to the installing hole that on beam slab 100, is provided with in groups.Said floor 200 bottoms flush with the beam slab frontside edge, and perhaps said floor 200 bottoms slightly are shorter than beam slab 100.
Because floor 200 has the requirement of the enterprising row buffering of beam slab 100 plate faces that lodges; Preferred plank frames that adopt the form of extending and have certain overhang of floor 200 then with straight line, broken line or camber line; The edge that said floor 200 is fixedly connected with beam slab 100 is the bottom, and the floor 200 opposite side edges of bottom are the top relatively, and the overhang of floor 200 i.e. the length to floor 200 tops along straight line, broken line or camber line from floor 200 bottoms; The overhang of floor 200 has determined the lodging distance of floor 200; Bigger floor 200 overhangs can have cushioning effect preferably, and the overhang of floor 200 is except that the requirement of satisfying the lodging buffering; The design stack height of the floor 100 after range upon range of of lodging also should be stumbled along the resistance that guardrail board slides to vehicle to prevent the connecting bolt head greater than the connecting bolt head height degree at installing hole place.(arrange when being provided with by difference in height from the bottom to the top of the degree of protection of guardrail and/or floor like spacing wave-shaped projection; The setting of arranging of floor 200 spacings; Its difference in height constitutes the waveform projection); The thickness of said floor and the floor ratio along the overhang of straight line, broken line or camber line from the bottom to the top is 1: 3～1: 25, and the thickness of said first floor is measured along the vertical direction of axis on its cross section, and the overhang of said first floor is measured according to the length direction of axis on its cross section.Usually the overhang of floor is 80～120mm.
Shown in Fig. 1～6, the floor 200 of plank frame can be selected flat board, arc, clapboard, sketch plate etc., all is suitable for the present invention so long as have the various plate shapes of platy structure.Wherein floor 200 can be out of shape on the basis of slabbed construction.Can be as shown in Figure 2, be provided with flange on the top of floor 200, flange is meant that floor 200 tops strengthen the impact resistance of floor 200 to the thickness on both sides or side extension thickening top.The another kind of mode that strengthens shock resistance and enhancing cushioning effect can adopt like Fig. 3, shown in 4, and said floor 200 cross sections are the wedge shape of tip thickness greater than the bottom.Tip thickness helps shock resistance greatly, and wedge shape can also guide the orientation lodging of floor 200, strengthens cushioning effect.
Said floor 200 is provided with polylith on the plate face of beam slab 100 1 sides; Floor 200 along guardrail board length direction (beam slab is vertical) and from the said beam slab 100 to outer process at interval or cross arrangement on the plate face of beam slab 100 1 sides, the arrangement mode of floor 200 is for along the vertical symmetry arrangement of beam slab, arrange or the setting of arranging of spacing wave-shaped projection with respect to the installing hole that on beam slab, is provided with in groups.
The arrangement mode of floor 200 is specially: floor 200 concentrated be arranged near the beam slab 100 longitudinal central axis lines or arrange in groups or symmetry arrangement is arranged on the place of keeping to the side, beam slab 100 both sides and is provided with respect to the installing hole of longitudinal central axis line, and also can floor 200 is horizontal with respect to arranging in groups with the many rows installing hole or the longitudinal axis of longitudinal central axis line parallel at beam slab 100.Vertically arrange in groups or vertically symmetry arrangement setting along beam slab 100 in order to produce preferred floor 200 continuously; Vertically arrange and be meant that all floors 200 all vertically arrange along the length direction of beam slab 100; Can parallel upright or be obliquely installed to the floor 200 of vertical arrangement to same direction, also can be obliquely installed to different directions respectively not parallel or in groups, even intersect; Spacing between the adjacent floor 200 can be identical; Also can be different, laterally arrange between the preferred floor 200, and the spacing between the floor 200 is identical.
Be provided with between two adjacent said floors 200 and be used for the dowel of one deck at least 300 that two floors 200 are linked together, the effect of dowel 300 is the connections that strengthen between the floor 200, increases the shock resistance of floor 200.Said dowel 300 is provided with disrumpent feelings mouthful of at least one place; Dowel 300 and floor 200 through the disrumpent feelings mouth at least one place preset on one or more layers dowel at least one by one directional fracture absorb the vehicle collision energy and make the floor superimposed shock-absorbing capacity that increases floor 200 that lodges one by one.Dowel 300 can be tabular, column, strip, netted etc., can all pass through a dowel 300 between two adjacent floors 200 to link to each other, and also can link to each other through the dowel 300 that a plurality of intervals are provided with.
Said dowel 300 and floor 200 integrative-structures have been strengthened the bonding strength of the two and have been made things convenient for disposable production.Between adjacent floor 200, one deck dowel 300 can be set, the dowel 300 of multilayer also can be set at same floor 200 horizontal diverse locations.
Said dowel 300 is the thermoplastic composite plate; Perhaps said dowel 300 is the heat-stabilized wood flitch; The thermoplastic composite plate of said dowel 300 or heat-stabilized wood flitch can be through preset disrumpent feelings mouth directional fractures one by one, so that floor 200 forms the structure of similar leaf spring with the dowel 300 range upon range of back that lodges.
As shown in Figure 7, serve as reasons in outside anti-aging wear-resisting overcoat 1, the overcoat 1 pliable and tough shock resistance and do not have the broken cushion coat 2 unseparated two-layer structure that is combined with each other of said heat-stabilized wood flitch; Perhaps said heat-stabilized wood flitch is the single layer structure that only comprises pliable and tough shock resistance and do not have broken cushion coat 2.
With respect to overcoat 1, cushion coat 2 thickness are thicker, and cushion coat 2 thickness are can be according to the site requirements of going along with sb. to guard him different and different and take all factors into consideration financial cost, and the cushion coat preferred thickness that generally is used for road guard is at 0.5cm～3cm.Also can select buffer layer thickness to be higher than 3cm.
When the heat-stabilized wood flitch is selected the single layer structure that has only cushion coat for use, be mainly used in the position of not exposing, for example in the multilayer dowel, the dowel that is sealed between outermost layer dowel and the beam slab just can not adopt overcoat, only needs buffering.In addition, can add some anti-oxidant, high-abrasive materials in the cushion coat of individual layer, make itself also to have anti-aging and wear-resisting character.
Like Fig. 8, shown in 9, the thermoplastic composite plate comprises enhancing skeleton and layer of thermoplastic material.
Said enhancing skeleton 4 is vertical or/and transversely arranged forming far above at least one section bar of thermoplastic material for hot strength.Said enhancing skeleton perhaps strengthens skeleton and is obliquely installed on the plate face of said beam slab perpendicular to the plate face of beam slab, and bottom inclination angle or the overall inclination angle of said enhancing skeleton on beam slab is not less than 70 °.
Because the thermoplastic composite plate will have suitable mechanical strength and rigidity; Strengthen skeleton 4 and in the whole plate body of thermoplastic composite plate, play support, anti-collision effect; Therefore; Strengthen skeleton 4 and select the section bar of modulus of elasticity greater than the modulus of elasticity of layer of thermoplastic material, section bar be meant through rolling, extrude, object that technology such as casting is processed with certain geometrical shape.The hot strength of said enhancing skeleton 4 is 1: 10～1: 150 with the ratio of the hot strength of layer of thermoplastic material, any data in this scope can, just need carry out the selection of thickness and shape to the material of different hot strengths.The preferred hot strength that strengthens skeleton 4 is greater than 120MPa.Preferred tensile strength of the present invention is much larger than the section bar of layer of thermoplastic material; Section bar can be selected shape, organic reinforcing profile and inorganic reinforcing profile; During use, can use a kind of section bar separately, also can section bar collocation multiple shape is different, that material is different use together.
Enhancing skeleton 4 according to the invention is tabular, bar shaped, tubulose, linear or pencil; Perhaps said enhancing skeleton 4 is that tabular, strip or linear pressure tabled scarf or cross section cold rolling, that welding is combined into one are tree-like; Or said enhancing skeleton 4 is that a plurality of section bars are arranged side by side or spacing is arranged and the compound back of thermoplastic overall sectional is tree-like structure, and the tree structure that promptly strengthens skeleton 4 is that a plurality of section bars obtain after compound through thermoplastic.Shown in figure 10; The edge of the enhancing skeleton 4 of tree structure all is provided with the edge of a wing 41 of outside turnover; Each end of the enhancing skeleton 4 that two laminations are folded or cold rolling, welding is compound all is extended with the edge of a wing 41 to both sides respectively; The effect on the edge of a wing 41 is to extend in adjacent beam slab 100, dowel or the flange, has strengthened overall structure.The also a plurality of section bars of tree structure shown in Figure 10 are arranged side by side or spacing is arranged, and the enhancing skeleton that obtains after compound through thermoplastic.But a plurality of section bar spacings are arranged in economical with materials under the prerequisite of guaranteed strength, reduce cost and strengthen cushioning effect.
Shape can select to have steel band, the steel wire of certain width, can also be shaped steel (like garden type, square, angle steel, i iron, channel-section steel etc.), Guan Gang (like garden pipe, square tube, shape tube etc.) etc. or the metallic fiber (like metal whiskers such as boron fibre and aluminium, titanium, calcium etc.) of suitable depth; Organic and inorganic reinforcing profile comprises inorfil (like glass fiber, carbon fiber, whisker, quartz fibre, graphite fibre and ceramic fibre etc.) or section bar; Organic fiber (like PAN fiber, polyethylene fibre, PA fiber, PC fiber, PVA fiber and polyester fiber etc.) or section bar preferably are convenient to quantity-produced braiding laminated structure or strand fortifying fibre.
Said enhancing skeleton 4 can be one independent section bar, also can be a plurality of section bars vertically arrange, transversely arranged, or vertical and horizontal interlacing slabbing.When the shape of selection laminated structure or fortifying fibre section bar; Can select an independent section bar as strengthening skeleton 4; And the width of the section bar of sheet and length and thermoplastic composite plate width and length adapt, and can narrowly, too short have to support and shock proof effect.When selecting other structure example such as round steel, steel wire, band steel, narrow steel strip, the fortifying fibre of the narrower independent bar shaped of distribution of width, can be as required that section bar is parallel, vertical, intersect, be woven into variety of ways such as sheet, strand and arrange to form and strengthen skeleton.
Like Fig. 8, shown in 9, said layer of thermoplastic material is the unseparated three layer construction that is combined with each other, and is followed successively by bonding attached to strengthening setting course 3, the pliable and tough shock resistance on the skeleton 4 and not having broken cushion coat 2 and anti-aging wear-resisting overcoat 1 from inside to outside.
Said setting course 3 is a resin of binding property material compatible with the materials chemistry characteristic that strengthens skeleton 4 and cushion coat 2 and mutual bonding.The resin of binding property material that setting course 3 is selected for use has the effect of bonding simultaneously to the macromolecular material of the material that strengthens skeleton 4 and cushion coat 2; Consider cushion coat 2 and the material and the character that strengthen skeleton 4 during setting course 3 selections simultaneously; Because it is metal, other inorganic material or organic material that the present invention strengthens the selection of skeleton 4; Cushion coat 2 is selected macromolecular material; Then setting course 3 just selects that multiple material such as metal, inorganic material and organic material, macromolecular material etc. is all had good adhesive property, and can closely bond any material that is combined with each other with the cushion coat 2 that enhancing skeleton 4, macromolecular material are processed.For example cushion coat 2 adopts polyolefin (PO) type material; Like polypropylene (PP) and linear polyethylene (LLDPE) blend, when strengthening skeleton 4 and being chosen as steel band, setting course 3 can be selected polyvinyl for use, also can select ethylene acrylic acid co polymer or other and metal and the complete compatible material of TPO plastics for use; As shown in Figure 6; For the enhancing skeleton 4 of an independent shape or macromolecular material section bar, setting course 3 just is combined in the external surface of this shape or macromolecular material section bar, and is as shown in Figure 8; If the enhancing skeleton 4 of selecting multi-part type material permutation and combination to form, then the surface of the section bar of each exposed appearance all is combined with setting course 3.
Said cushion coat 2 coats outside the said setting course 3 and does not have broken macromolecular material by shock resistance and process.Cushion coat 2 is identical with cushion coat 2 materials in the heat-stabilized wood flitch, repeats no more at this.
It is 10%～90% that the percentage by weight of said enhancing skeleton 4 in the thermoplastic composite plate varies in size by the hot strength that strengthens skeleton; Setting course 3 thickness are 0.1～0.25mm; Said cushion coat 2 thickness are 0.5cm～3cm; Much larger than the thickness of setting course 3 and overcoat 1, said overcoat 1 thickness is greater than 0.8mm, and material thickness depends primarily on requirement of strength and the functional requirement and the material therefor characteristics such as shock resistance flexibility, shock-resistant fragmentation of thermoplastic composite plate.
Shown in Fig. 1～6, the beam slab 100 general installing holes 500 that pass through are connected with the obstruction block that is provided with at interval, and obstruction block is connected to form guardrail with the column that fixes on the ground.The effect of obstruction block is to prevent that column from stumbling to the resistance that vehicle slides along guardrail board, prevents that vehicle body and column from bumping against the back and producing the danger that stops suddenly, perhaps rebounds and causes serious consequence.Said beam slab 100 is a platy structure, can be various templates such as flat board, arc, hollow sheeting, sketch plate.
Correspondence has installing hole 500 on said beam slab 100 and the said dowel 300; The beam slab 100 at installing hole 500 places can be arranged on the thermoplastic composite plate with said dowel 300; Also can be arranged on the heat-stabilized wood flitch, at least one in preferred said installing hole 500 place beam slabs 100 and the dowel 300 be that thermoplastic composite plate and mounting hole site are on the enhancing skeleton.Installing hole 500 is opened and is being strengthened on the skeleton, guaranteeing to protect the breast board of installation and the bonding strength of obstruction block, and can be when whole column begins to lodge downwards, be the disengaging of guardrail board and column to prevent that guardrail board from lodging with column, make errant vehicle go out guardrail.
In order to prevent that moisture from entering into the enhancing skeleton 4 corrosions damage that enhancing skeleton 4 causes corrosion susceptible materials to process in installing hole 500; The otch that the correspondence of such guardrail board in said installing hole 500 strengthens skeleton 4 is coated with layer of thermoplastic material; To strengthen skeleton 4 and be coated on inside fully, prevent that its corrosion from damaging.Perhaps said beam slab 100 is the heat-stabilized wood flitch, constitutes the outer field part of whole guardrail board in the said heat-stabilized wood flitch and comprises anti-aging wear-resisting overcoat 1.Said overcoat and said thermoplastic material are the unseparated two-layer structure that is combined with each other, and have suitable pliability with the collision energy that absorbs vehicle with avoid fracture and broken.The thermoplastic material plated construction is identical with the structure of dowel 300, repeats no more at this.
Below enumerate several specific embodiment, with the setting of above-mentioned beam slab 100, floor 200, dowel 300 with arrange and specifically describe:
In embodiment 1, the guardrail board as shown in Figure 1; Beam slab 100 is flat heat-stabilized wood flitch, has a plurality of installing holes 500 at interval on the axis of beam slab 100, and floor 200 is provided with eight along beam slab 100 parallel longitudinals; Wherein two are arranged on beam slab 100 both sides of the edge; Other evenly distribute to beam slab 100 center positions successively, and these eight floors 200 all are respectively arranged with dowel 300 about beam slab 100 longitudinal center's axis symmetries between the adjacent floor 200; Dowel 300 is a plank frame, and adjacent floor 200 is from first to last connected together.Dowel 300 is vertical or be basically perpendicular to floor 200, and the position of dowel 300 is identical, all is near beam slab 100, about 1/3rd places of floor 200.Floor 200 all adopts the thermoplastic composite plate; Wherein strengthen skeleton 4 and adopt steel band; And be two steel bands to be pressed together through cold rolling to form the cross section be tree-shaped structure; Steel band edge on floor 200 tops combines, and separation is bent to form the edge of a wing 41 to the steel band in floor 200 bottoms to both sides, and the edge of a wing 41 combines with beam slab 100.In the dowel 300, the installing hole tapping in the middle of having only adopts the thermoplastic composite plate, and all the other adopt the heat-stabilized wood flitch.Beam slab 100, floor 200, dowel 300 integrative-structures, disposal molding makes.
Embodiment 5, guardrail board as shown in Figure 5 are the improvement of carrying out on the basis of embodiment 4; With changing into floor 200 arranged in a crossed manner with floor 200 vertical settings or vertically disposed basically dowel 300 among the embodiment 4; Be that angle between floor 200 and the dowel 300 is not about 0 ° or about 90 °; Can select between 10～70 °, preferably at 30～60 °.All the other structures repeat no more at this with embodiment 4.All the other structures repeat no more at this with embodiment 4.
Embodiment 6, guardrail board as shown in Figure 6 are the improvement of carrying out on the basis of embodiment 1; It is the mode that a kind of waveform projection is arranged; Be a plurality of floor 200 spaced and parallel settings; And a plurality of floors 200 from the bottom to the top overhang inequality, make the top of a plurality of floors 200 form waveform.In the present embodiment, two floor 200 width at beam slab 100 centers are minimum, and two floor 200 width that beam slab 100 both sides of the edge are provided with respectively are a bit larger tham or equal two floor 200 width of beam slab 100 centers setting.All the other structures repeat no more at this with embodiment 1.
Claims (16)
1. a rib shape guardrail board is characterized in that, comprises beam slab; Be provided with a plurality of and the floor beam slab integrative-structure at beam slab plate face; Said beam slab and floor extend along the length direction of guardrail board, and said beam slab is thermoplastic composite plate or heat-stabilized wood flitch, and said floor is the thermoplastic composite plate; Said thermoplastic composite plate comprises the enhancing skeleton, is coated with layer of thermoplastic material at said enhancing skeleton.
2. rib shape guardrail board according to claim 1; It is characterized in that; No gap is combined into one between the layer of thermoplastic material of said thermoplastic composite plate and the enhancing skeleton, and under 20 ℃ ± 5 ℃ conditions, the peel strength between enhancing skeleton and the layer of thermoplastic material is greater than 75N/cm.
3. rib shape guardrail board according to claim 1; It is characterized in that; The edge that said floor is fixedly connected with beam slab is the bottom; The floor opposite side edge of bottom is the top relatively, and extend to the top from the bottom with straight line, broken line or camber line form on said floor surface, and said floor is perpendicular to said beam slab setting; Or said floor is obliquely installed on the plate face of said beam slab and bottom inclination angle or the overall inclination angle of said floor on beam slab is not less than 70 °.
4. rib shape guardrail board according to claim 3 is characterized in that the top of said floor is provided with flange, and perhaps said floor cross section is the wedge shape of tip thickness greater than bottom thickness; Said floor bottom flushes with the beam slab edge, and perhaps said floor bottom slightly is shorter than beam slab.
5. rib shape guardrail board according to claim 3; It is characterized in that; Press the degree of protection and/or the difference in height of floor from the bottom to the top of guardrail; The minimum thickness of said floor and the floor ratio along the overhang of straight line, broken line or camber line from the bottom to the top is 1: 3～1: 25, and the thickness of said first floor is measured along the vertical direction of axis on its cross section, and the overhang of said first floor is measured according to the length direction of axis on its cross section.
6. rib shape guardrail board according to claim 1 is characterized in that, said floor interval or cross arrangement leave spacing between the adjacent said floor plate face on the plate face of beam slab one side.
7. rib shape guardrail board according to claim 1 is characterized in that, said floor is along the vertical symmetry arrangement of beam slab, arrange or the setting of arranging of waveform projection with respect to the installing hole that on beam slab, is provided with in groups.
8. rib shape guardrail board according to claim 1; It is characterized in that; Be provided with between two adjacent said floors and be used for the dowel of one deck at least that two floors are linked together; Said dowel and floor integrative-structure, said dowel are the thermoplastic composite plate, and perhaps said dowel is the heat-stabilized wood flitch.
9. according to the described rib shape of claim 8 guardrail board, it is characterized in that it is disrumpent feelings mouthful that said dowel is provided with at least one place, make dowel one by one directional fracture to absorb energy and that floor is lodged one by one is superimposed.
10. according to the described rib shape of claim 1 guardrail board, it is characterized in that serve as reasons in outside anti-aging wear-resisting overcoat, the overcoat pliable and tough shock resistance and do not have the broken cushion coat unseparated two-layer structure that is combined with each other of said heat-stabilized wood flitch; Perhaps said heat-stabilized wood flitch is the single layer structure that only comprises pliable and tough shock resistance and do not have broken cushion coat.
11. according to any described rib shape guardrail board of claim 1～10; It is characterized in that; The layer of thermoplastic material of said thermoplastic composite plate is the unseparated three layer construction that is combined with each other, and is followed successively by bonding attached to strengthening setting course, the pliable and tough shock resistance on the skeleton and not having broken cushion coat and anti-aging wear-resisting overcoat from inside to outside.
12. rib shape guardrail board according to claim 11 is characterized in that, said setting course is a resin of binding property material compatible with the gentle chemical characteristic towards layer of enhancing skeleton and mutual bonding; Said cushion coat coats outside the said setting course and does not have broken macromolecular material by pliable and tough and impact and process; Said overcoat is to be compounded in the outer and macromolecular material that have an ageing resistace of cushion coat to process.
13., it is characterized in that said enhancing skeleton is selected the section bar of hot strength far above layer of thermoplastic material according to any described rib shape guardrail board of claim 1～10; The hot strength of said enhancing skeleton is 1: 10～1: 150 with the ratio of the hot strength of layer of thermoplastic material.
14. rib shape guardrail board according to claim 13; It is characterized in that; Said enhancing skeleton is tabular, bar shaped, tubulose, linear or pencil, and perhaps said enhancing skeleton is that tabular, strip or linear pressure tabled scarf or cross section cold rolling, that welding is combined into one are tree-like; Or said enhancing skeleton is that a plurality of section bars are arranged side by side or spacing is arranged and the compound back of thermoplastic overall sectional is tree-like structure.
15., it is characterized in that said beam slab can be at least a template in flat board, arc, hollow sheeting, the sketch plate according to any described rib shape guardrail board of claim 1～10.
16. rib shape guardrail board according to claim 8; It is characterized in that; Correspondence has installing hole on said beam slab and the said dowel; In said installing hole place beam slab and the dowel at least one is the thermoplastic composite plate, and the incision of the enhancing skeleton of corresponding corrosion susceptible materials is coated with layer of thermoplastic material in the said installing hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210017548.8A CN102535367B (en) | 2012-01-19 | 2012-01-19 | Ribbed guardrail plate |
| PCT/CN2012/083766 WO2013107201A1 (en) | 2012-01-19 | 2012-10-30 | Rib-shaped guiderail panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210017548.8A CN102535367B (en) | 2012-01-19 | 2012-01-19 | Ribbed guardrail plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102535367A true CN102535367A (en) | 2012-07-04 |
| CN102535367B CN102535367B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210017548.8A Expired - Fee Related CN102535367B (en) | 2012-01-19 | 2012-01-19 | Ribbed guardrail plate |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102535367B (en) |
| WO (1) | WO2013107201A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013107201A1 (en) * | 2012-01-19 | 2013-07-25 | 湖南金鸿科技工业股份有限公司 | Rib-shaped guiderail panel |
| CN114104261A (en) * | 2022-01-24 | 2022-03-01 | 中国空气动力研究与发展中心空天技术研究所 | Wing beam of composite wing aircraft |
| GB2621326A (en) * | 2022-08-04 | 2024-02-14 | Praesidiad Holding Bvba | Fence panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013107201A1 (en) | 2013-07-25 |
| CN102535367B (en) | 2014-03-12 |
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