CN203320398U - Longitudinal anti-falling beam system - Google Patents
Longitudinal anti-falling beam system Download PDFInfo
- Publication number
- CN203320398U CN203320398U CN2013203457433U CN201320345743U CN203320398U CN 203320398 U CN203320398 U CN 203320398U CN 2013203457433 U CN2013203457433 U CN 2013203457433U CN 201320345743 U CN201320345743 U CN 201320345743U CN 203320398 U CN203320398 U CN 203320398U
- Authority
- CN
- China
- Prior art keywords
- plate
- base plate
- girder falling
- vertical girder
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a longitudinal anti-falling beam system, comprising a square net energy consumption anti-falling beam connected between a beam bottom and a capping beam, sliding drum connecting rod devices connected with two end faces of the upper bridge end of an abutment wall, and anti-collision pieces placed at connected parts of webs of a bridge. The utility model relates to a bridge longitudinal limiting energy consumption anti-falling beam protecting device under the action of earthquake which is simple in manufacturing, convenient to assemble and light in dead weight. Under the normal operation, the device can be freely stretched and contracted along with the structure; under the action of earthquake, the square net energy consumption anti-falling beam and sliding connecting rods drive a shape memory alloy wire to be stretched for being stressed and consuming energy, so that the earthquake damage energy is effectively absorbed, the bridge is prevented from generating too large displacement; under the action of strong earthquake, a falling beam is effectively prevented from being damaged, and the beam is prevented from being collided by means of the anti-collision piece at the beam end. The longitudinal anti-falling beam system can effectively solve the problems of safety of longitudinal displacement of a railroad bridge under the action of earthquake, the continuous energy consumption capability and the anti-falling effect.
Description
Technical field
The utility model relates to the vertical girder falling system of a kind of bridge, particularly the crashproof anti-fall girder apparatus of the vertical energy dissipation of a kind of bridge based on marmem.
Background technology
In world wide, violent earthquake frequently occurs, and as violent earthquake occurred for Indonesia, New Zealand, east Japan etc., the violent earthquakes such as Wenchuan, cajaput, Yaan have also occurred China recent years, have produced strong economic impact and social influence.
From all previous earthquake, can find out, the mode of failure that the bridge construction generation frequency is the highest destroys and impact wreckage for the beam that falls.China is earthquake country occurred frequently, and repeatedly heavy earthquake historical lessons are arranged, though all greatly promoted building structure aseismatic the perfect of system of setting up defences, still there is great defect in existing structural seismic performance.The Bridge Earthquake Resistance Design of China is mainly emphasized the intensity of beam body, pier body, how to defend it is not collapsed in earthquake.The main construction measure of conventional method is that the anti-fall beam block of concrete is set on the pier body, with the lateral displacement amount by the beam body and length travel amount, limits within the specific limits.But owing between beam body and pier body, beam body and beam body, lacking and contacting, when the higher earthquake of earthquake intensity is attacked, the impact that acutely rocked by the beam body, shear failure easily occurs and lost efficacy in beam falling prevention stopping block, produces beam and destroys.
Bridge is as the multi-purpose project in traffic lines, and the traffic lines of China especially high-speed railway mainly with bridge, be main, the safety of how to take precautions against the bridge earthquake centre has become the matter of great urgency.Therefore, the utility model proposes a kind of vertical bridge earthquake resistance based on marmem crashproof anti-fall girder apparatus that consumes energy, be intended to limit the displacement deformation of bridge in earthquake, dissipation energy, and then prevent the bridge beam danger that falls.
The utility model content
The China Express Railway fast development, the status of bridge in high ferro especially, the Beijing-Shanghai express railway bridge accounts for 80.5% of overall length.And bridge and pier body, bridge and bridge generation over-large displacement and destroy increasing of case under geological process, this makes the development of bridge construction antidetonation anti-fall girder apparatus extremely urgent.The utility model provides a kind of vertical bridge earthquake resistance based on marmem crashproof anti-fall girder apparatus that consumes energy, and meets normal operation instructions for use, solves the problem of bridge earthquake resistance power consumption girder falling under geological process.
In order to realize above-mentioned technical purpose, the technical scheme of the utility model patent is: a kind of vertical girder falling system, comprise three parts, first be positioned at the bottom of beam with bent cap between the square net power consumption girder falling that is connected; Second portion is for connecting the slide cartridge linkage of bridge end two sides on pier; Third part is to be positioned over crashproof of bridge web connecting portion.The vertical girder falling system of bridge, it relates to bridge longitudinal spacing power consumption girder falling protective device under a kind of earthquake.This device comprises base, square net power consumption girder falling, connecting rod girder falling, ground tackle, shape-memory alloy wire, slide link, crashproof of beam-ends etc.Device is made simple and easy, and assembled convenience, from heavy and light.Under normal operation, device can be with the structure free-extension, under geological process, square net power consumption girder falling and slide link drive the shape-memory alloy wire stressed power consumption that stretches, effectively absorb the seismic damage energy, limit bridge simultaneously and produce over-large displacement, under severe earthquake action, effectively restrainer destroys, and crashproof of beam-ends can prevent from hitting beam.The utility model patent can effectively solve the safety of length travel under the railroad bridge earthquake, lasting energy dissipation capacity and girder falling problem.
Preferably, square net power consumption girder falling comprises square net bottom seat base plate and bent cap base plate at the bottom of beam, at the bottom of beam, between square net bottom seat base plate and bent cap base plate, is provided with articulated linkage.
Preferably, at the bottom of beam, on square net bottom seat base plate, be provided with the base junction plate, articulated linkage is connected with the base junction plate by the base high-strength bolt; Be provided with bent cap base junction plate on the bent cap base plate, articulated linkage is connected with bent cap base junction plate by bent cap base high-strength bolt.
Preferably, the base junction plate is arranged in the base junction plate hole slot at square net bottom seat base plate middle part at the bottom of beam; Bent cap base junction plate is arranged on bent cap base plate middle part by bent cap wing base junction plate hole slot.
Preferably, be connected with respectively two articulated linkage at the bottom of beam on square net bottom seat base plate and bent cap base plate, articulated linkage at the bottom of beam on square net bottom seat base plate is connected by high-strength bolt with the articulated linkage on the bent cap base plate, and four articulated linkage connect into rhombus.
Preferably, be connected with the shape-memory alloy wire outpacking rubber between base high-strength bolt and bent cap base high-strength bolt.The shape-memory alloy wire outpacking rubber adopts rubber type of material (natural rubber, synthetic rubber) and plastic materials (polyethylene, polypropylene etc.).
Preferably, shape-memory alloy wire outpacking rubber two ends are anchored on articulated linkage by anchor head respectively.
Preferably, between two high-strength bolts on the articulated linkage that rhombus is arranged, be provided with horizontal outpacking rubber.
Preferably, laterally the outpacking rubber two ends are anchored on articulated linkage by anchor head respectively.
Preferably, be provided with 1/2nd place's outpacking rubbers between the center of adjacent two articulated linkage.
Preferably, 1/2nd outpacking rubber middle parts, place are provided with shape-memory alloy wire.
Preferably, at the bottom of at the bottom of beam, square net bottom seat base plate and bent cap base plate are fixed on beam by high-strength expanding bolts respectively and on bent cap.
Preferably, the articulated linkage two ends are respectively arranged with the rod member hinged end, and the articulated linkage middle part is provided with anchorage bearing on bar.
Preferably, the slide cartridge linkage comprises left base plate and right base plate, between left base plate and right base plate, is provided with connecting rod, is provided with sliding cylinder on connecting rod.
Preferably, the sliding cylinder two ends are provided with the slide cartridge protecting cover.
Preferably, the sliding cylinder left side is the connecting rod left side, and the sliding cylinder right side is the connecting rod right side.
Preferably, termination, connecting rod left side is provided with the slide link hinged end, is provided with left base junction plate on left base plate, between slide link hinged end and left base junction plate, is bolted; Termination, connecting rod right side is provided with connecting rod right side hinged end, is provided with right base junction plate on right base plate, between connecting rod right side hinged end and right base junction plate, is bolted.
Preferably, left base plate and right base plate are connected on pier on bridge end two sides by high-strength expanding bolts respectively.
Preferably, be provided with the left circular dividing plate, the circular slide plate in middle part and the right circular dividing plate that are arranged in parallel in sliding cylinder, interconnect by shape-memory alloy wire between left circular dividing plate, the circular slide plate in middle part and right circular dividing plate.
Preferably, left circular dividing plate and right circular dividing plate arrange near the slide cartridge protecting cover at sliding cylinder two ends respectively.
Preferably, crashproof comprises sheet rubber, is provided with the marmem circle on sheet rubber, at least one limit of sheet rubber, is provided with the connection iron plate, connects iron plate and is connected on the connecting portion of bridge web by high-strength expanding bolts.
Preferably, a plurality of marmem circles are disposed on sheet rubber.
Preferably, a plurality of marmem circles are set in qually spaced on sheet rubber.
Vertical bridge earthquake resistance based on marmem crashproof anti-fall girder apparatus that consumes energy, comprise device pedestal, square power consumption net girder falling, connecting rod, ground tackle, shape-memory alloy wire, slide link, bridge-collision-avoidance sheet etc., square power consumption net anti-fall girder apparatus is fixed at the bottom of bridge and the bent cap sidewall by bearing, by the expansion bolt anchoring, slide link is connected in bridge end web on pier by base, and crashproof of beam-ends is fixed on the endosternum cross section of bridge end shrinkage joint.
The square net power consumption girder falling surrounding of the above is comprised of four hinge bars, at diagonal angle and rod member 1/2nd place's opposite side stretch-draw shape-memory alloy wire and form the power consumption net in twos, when bridge longitudinally stretches slippage, four hinge bars of square net are elongated, form diamond shaped, at its diagonal angle and the shape-memory alloy wire at 1/2nd places be elongated the generation hyperelastic deformation, thereby the energy that the earthquake that can effectively dissipate forms, when longitudinally inside slippage of bridge, square net is compressed, the shape-memory alloy wire of transverse stretching is elongated, also play the effect of dissipation energy.
In square net power consumption anti-fall girder apparatus; shape-memory alloy wire not necessarily can only be at diagonal angle and the stretch-draw of 1/2nd places; can calculate the diameter of determining stretch-draw radical and B alloy wire according to realistic bridges trammel mould size antidetonation protection class size, shape-memory alloy wire is wanted the good rubber sleeve of prior outsourcing or correlative protection material in installation process.
Weld respectively the circular hole bearing on the surrounding hinge bar in rod end and bar, welding manner is as shown in example, and shape-memory alloy wire is anchored on bearing with ground tackle respectively, and ground tackle can specially be produced in batches, and convenient construction carries out.
Square net power consumption girder falling is with bolted splice in the beam subplate bearer, and screw rod can be along vertical bridge to flexible in chute, and when telescopic displacement amplitude and bridge are normally runed, the temperature deformation amount is suitable.
The slide link base that bridge web side connects two bridge ends is fixed in both sides bridge web with expansion bolt, the left-hand foot junction plate is opened the Long Circle hole, it is hinged by high-strength bolt and base junction plate that interlinking lever end is opened circular hole, connecting rod can be indulged bridge to flexible, shrink displacement suitable with bridge temperature deformation amount, bridge deformation while meeting normal operation.
In the middle of connecting rod, by the slip steel cylinder, formed, by slide cartridge and litter, formed, concrete structure is shown in illustration, two directions tension shape-memory alloy wire in cylinder, after shape-memory alloy wire applies small prestressing force, slide link can be done vertical bridge and produce elastic force to direction micro-strain displacement, and then the restained beam body is subjected to displacement, under severe earthquake action, directly limit bridge and fall that beam destroys and impact wreckage.
In the slide link slide cartridge, shape-memory alloy wire all is anchored in slide cartridge around circular diaphragm with ground tackle, and B alloy wire diameter and anchoring quantity can be calculated according to actual needs and determine.
Can avoid failure for bridge collides greatly, crashproof of beam-ends is set in bridge end web cross-section, while when earthquakes, causing Beam pounding, crashproof of beam-ends can utilize the metal superelastic properties of marmem circle own to absorb rapidly seismic energy, give the beam-ends buffering and consume the effect of beam-ends energy, thereby effectively prevent that collision from producing destruction.
Crashproof preparation method of above-mentioned beam-ends is: factory's precognition marmem circle, and in sheet rubber is fixed in advance in the center of gravity place, sheet rubber and memorial alloy circle are integrated connection, iron clad sheet in the sheet rubber upper and lower side, the iron plate end is stretched out also and is fixed in bridge web side with expansion bolt after the right angle bending.
The utility model also is, crashproof of beam-ends is arranged two in shrinkage joint on a bridge pier, and a slice is arranged on the every limit of bridge web cross section, and position is web plate section center of gravity place.
The utility model also is, this installs all connecting rods and is solid steel and makes, and hinged screw rod, expansion bolt are high strength steel.
The utility model also is, this installs all hardwares and all need to spray peripheral protective materials after construction.
Therefore, effective effect of the technical scheme of the utility model patent is: effectively between the lift bridge girder construction, bridge and the service behaviour of pier structure under earthquake, spacing power consumption restrainer destruction and impact wreckage.Under normal bridge operation, can meet the displacement that the distortion of beam temperature produces, under geological process, can bring into play the spacing power consumption effect of good antidetonation, absorb large energy, prevent bridge generation over-large displacement and produce destruction, have simultaneously deadweight light, make the advantages such as simple, for the spacing power consumption of bridge under macroseism provides reliable apparatus, there is good practical value and economic benefit.
Not stationarity due to height between the diversity of bridge construction form and bridge and pier; the base arrangement form of the utility model patent also has diversity, thereby structural arrangement form and operating principle and the similar situation device of this patent are all within the protection domain of this patent.
Accompanying drawing below in conjunction with a concrete embodiment is described further the utility model patent.
The accompanying drawing explanation
Fig. 1 is the vertical girder falling overall system of bridge schematic diagram;
Fig. 2 is the square net power consumption of device A anti-fall girder apparatus upward view in Fig. 1;
Fig. 3 is square net power consumption anti-fall girder apparatus top view in Fig. 2;
Fig. 4 is square net connecting rod and bolted splice device schematic diagram in Fig. 2;
Fig. 5 is base plane figure and lateral view at the bottom of Fig. 2 central sill;
Fig. 6 is square net arrangement bent cap base plane figure and lateral view in Fig. 2;
Fig. 7 is square net rod member and the thin section of shape-memory alloy wire ground tackle schematic diagram in Fig. 2;
Fig. 8 is device B slide link anti-fall girder apparatus schematic diagram in Fig. 1;
Fig. 9 is slide link anti-fall girder apparatus part sectioned view in Fig. 8;
Figure 10 is crashproof C front schematic view of Fig. 1 Bridge;
Figure 11 is crashproof schematic rear view of Figure 10 Bridge;
Wherein 1 is square net bottom seat base plate at the bottom of beam, 2 is the base junction plate, 3 is the base high-strength bolt, 4 is articulated linkage, 5 is high-strength bolt, 6 is bent cap base high-strength bolt, 7 is bent cap base junction plate, 8 is the bent cap base plate, 9 is the shape-memory alloy wire outpacking rubber, 10 is high-strength expanding bolts, 11 is anchor head, 12 is horizontal outpacking rubber, 13 is 1/2nd place's outpacking rubbers, 14 is base junction plate hole slot, 15 is bent cap wing base junction plate hole slot, 16 is shape-memory alloy wire, 17 is anchorage bearing on bar, 18 is the rod member hinged end, 19 is the slide link hinged end, 20 is the connecting rod left side, 21 is sliding cylinder, 22 is connecting rod right side hinged end, 23 is left circular dividing plate, 24 is the circular slide plate in middle part, 25 is right circular dividing plate, 26 is shape-memory alloy wire, 27 is the connecting rod right side, 28 is high-strength bolt, 29 is left base junction plate, 30 is right base junction plate, 31 is left base plate, 32 is right base plate, 33 is the slide cartridge protecting cover, 34 for connecting iron plate, 35 is sheet rubber, 36 is the marmem circle.
The specific embodiment
Below to the further illustrating of the utility model patented technology content, but not to the restriction of the utility model patent flesh and blood.
A kind of vertical girder falling system, comprise three parts, first be positioned at the bottom of beam with bent cap between the square net power consumption girder falling that is connected; Second portion is for connecting the slide cartridge linkage of bridge end two sides on pier; Third part is to be positioned over crashproof of bridge web connecting portion.Square net power consumption girder falling comprises square net bottom seat base plate 1 and bent cap base plate 8 at the bottom of beam, at the bottom of beam, between square net bottom seat base plate 1 and bent cap base plate 8, is provided with articulated linkage 4.Be provided with base junction plate 2 on square net bottom seat base plate 1 at the bottom of beam, articulated linkage 4 is connected with base junction plate 2 by base high-strength bolt 3; Be provided with bent cap base junction plate 7 on bent cap base plate 8, articulated linkage 4 is connected with bent cap base junction plate 7 by bent cap base high-strength bolt 6.Base junction plate 2 is arranged in the base junction plate hole slot 14 at square net bottom seat base plate 1 middle part at the bottom of beam; Bent cap base junction plate 7 is arranged on bent cap base plate 8 middle parts by bent cap wing base junction plate hole slot 15.Be connected with respectively two articulated linkage 4 on square net bottom seat base plate 1 and bent cap base plate 8 at the bottom of beam, articulated linkage 4 at the bottom of beam on square net bottom seat base plate 1 is connected by high-strength bolt 5 with the articulated linkage 4 on bent cap base plate 8, and four articulated linkage 4 connect into rhombus.Be connected with shape-memory alloy wire outpacking rubber 9 between base high-strength bolt 3 and bent cap base high-strength bolt 6.Shape-memory alloy wire outpacking rubber 9 two ends are anchored on articulated linkage 4 by anchor head 11 respectively.Be provided with horizontal outpacking rubber 12 between two high-strength bolts 5 on the articulated linkage 4 that rhombus is arranged.Laterally outpacking rubber 12 two ends are anchored on articulated linkage 4 by anchor head 11 respectively.Be provided with 1/2nd place's outpacking rubbers 13 between the center of adjacent two articulated linkage 4./ 2nd place's outpacking rubber 13 middle parts are provided with shape-memory alloy wire 16.At the bottom of at the bottom of beam, square net bottom seat base plate 1 and bent cap base plate 8 are fixed on beam by high-strength expanding bolts 10 respectively and on bent cap.Articulated linkage 4 two ends are respectively arranged with rod member hinged end 18, and articulated linkage 4 middle parts are provided with anchorage bearing 17 on bar.The slide cartridge linkage comprises left base plate 31 and right base plate 32, between left base plate 31 and right base plate 32, is provided with connecting rod, is provided with sliding cylinder 21 on connecting rod.Sliding cylinder 21 two ends are provided with slide cartridge protecting cover 33.Sliding cylinder 21 left sides are connecting rod left side 20, and sliding cylinder 21 right sides are connecting rod right side 27.20 terminations, connecting rod left side are provided with slide link hinged end 19, are provided with left base junction plate 29 on left base plate 31, between slide link hinged end 19 and left base junction plate 29, by bolt 28, are connected; 27 terminations, connecting rod right side are provided with connecting rod right side hinged end 22, are provided with right base junction plate 30 on right base plate 32, between connecting rod right side hinged end 22 and right base junction plate 30, by bolt 28, are connected.Left base plate 31 and right base plate 32 are connected on pier on bridge end two sides by high-strength expanding bolts 10 respectively.Be provided with the left circular dividing plate 23, the circular slide plate 24 in middle part and the right circular dividing plate 25 that are arranged in parallel in sliding cylinder 21, interconnect by shape-memory alloy wire 26 between left circular dividing plate 23, the circular slide plate 24 in middle part and right circular dividing plate 25.Left circular dividing plate 23 and right circular dividing plate 25 arrange near the slide cartridge protecting cover 33 at sliding cylinder 21 two ends respectively.Crashproof comprises sheet rubber 35, is provided with marmem circle 36 on sheet rubber 35, is provided with at least one limit of sheet rubber 35 and connects iron plate 34, connects iron plate 34 and is connected on the connecting portion of bridge web by high-strength expanding bolts 10.A plurality of marmem circles 36 are disposed on sheet rubber 35.A plurality of marmem circles 36 are set in qually spaced on sheet rubber 35.
The utility model patented technology is applicable to bridge construction, especially railroad bridge box girder bridge, T-shaped beam bridge class, as shown in Figure 1.
For the bridge construction part, at first structure is carried out to force analysis, determine bridge construction under geological process with the relative displacement of pier and stressed, and the contraction displacement that under normal operation, temperature load causes, and then the dimensions length of definite shape- memory alloy wire 16,26, the diameter of shape-memory alloy wire is 5mm here.
Whole vertical girder falling system is divided three parts: first be positioned at the bottom of beam with bent cap between the square net power consumption girder falling that is connected; The slide cartridge linkage that second portion is bridge end two sides on pier, have the effect of power consumption girder falling equally; Third part is the bridge-collision-avoidance sheet.
Square net power consumption girder falling A is connected by two bases, upper bed-plate is connected in the bridge base plate with high-strength bolt 10, base plate 1 is square plate, be of a size of 30cm * 30cm * 2cm, the Q235 steel, be welded to connect plate 2 on base plate 1, geomery is as Fig. 5, there are 20 degree inclination angles, and have a Long Circle slip hole slot, the long 10cm of hole slot, wide 3cm, high-strength bolt can be with bridge temperature deformation longitudinal sliding motion in hole slot, lower bottom base is connected in the bridge coping sidewall with high-strength bolt 10, base plate is square plate 8, be of a size of 30cm * 30cm * 2cm, the Q235 steel, be welded to connect plate 7 on base plate 8, geomery is as Fig. 6, the junction plate side plate has 20 degree inclination angles, and have a circular hole.Between Up/down base with high-strength bolt 3, the 6 square net arrangement that is articulated and connected, square net arrangement is by four steel rod elements, 4 use high-strength bolt 3,5,6 hinged forming, press the anchorage bearing 17 of welding shown in Fig. 7 in Rod end and middle part, and stretch-draw laterally reaches longitudinal shape memory alloy wire 16, B alloy wire stretch-draw applies small prestressing force, and the outpacking rubber material, as shown in Fig. 29,12,13, shape-memory alloy wire is anchored on bearing 17 by anchor head 11.
The bar B that is slidably connected is connected in two web plate sidewalls on Bridge Pier by the left and right base, left base plate 31 use high-strength expanding bolts 10 are fixed in left side bridge web, base plate size is 25cm * 20cm * 2cm, the Q235 steel, be welded to connect plate 29 on base plate 31, geomery as shown in Figure 8, junction plate 29 is opened the Long Circle hole slot, the long 10cm of hole slot, wide 3cm, right base is fixed in right side bridge web by base plate 32 use high-strength expanding bolts 10, base plate size is 20cm * 20cm * 2cm, the Q235 steel, be welded to connect plate 30 on base plate 32, geomery as shown in Figure 8.Slide cartridge connecting rod 20, 27 are articulated and connected in base junction plate 29 by high-strength bolt 28, on 30, the solid steel pole of left connecting rod 20(diameter 5cm, long 30cm) with circular dividing plate 23, be welded to connect, dividing plate 23 diameter 12cm, thick 2cm, be welded to connect in outer cylinder 21, cylinder 21 interior diameter 12cm, thick 1cm, long 30cm, right part welding Circular Plate 25, annulus thickness of slab 2cm, diameter 12cm, diameter 5.5cm annulus is opened in centre, right connecting rod (the solid steel pole of diameter 5cm, long 30cm) through annulus and with the circular traverse 24 in centre, weld, the thick 2cm of dividing plate 24, diameter 11.5cm, at three dividing plates 23, 24, stretch-draw shape-memory alloy wire 26 being anchored in around steel plate with anchor head 11 in twos between 25, uniform distribution, 3 of every sides, as Fig. 9 example, finally with cylinder protecting cover 33, be welded in the cylinder both side ends.
Bridge-collision-avoidance sheet C main body 35 is made by elastomeric material, be of a size of 30cm * 30cm * 1.5cm, adopt rubber type of material (natural rubber, synthetic rubber) and plastic materials (polyethylene, polypropylene etc.) to make, 6 marmem circles 36 are fixed in centre, alloy ring interior diameter 4cm, thick 3mm, high 4cm, divide two rows evenly to be fixed on sheet rubber 35, sheet rubber outsourcing iron bar 34 right angle bending in advance up and down stretches out, be fixed in the bridge webbed side wall with high-strength bolt 10, positive and negative as shown in Figure 9, Figure 10.Crashproof respectively in the bridge end two coxostermum position of centre of gravitys arrange a slices, totally two of positions, same bridge pier shrinkage joint.
Claims (23)
1. a vertical girder falling system, is characterized in that, comprises three parts, first be positioned at the bottom of beam with bent cap between the square net power consumption girder falling that is connected; Second portion is for connecting the slide cartridge linkage of bridge end two sides on pier; Third part is to be positioned over crashproof of bridge web connecting portion.
2. vertical girder falling system according to claim 1, it is characterized in that, square net power consumption girder falling comprises square net bottom seat base plate (1) and bent cap base plate (8) at the bottom of beam, at the bottom of beam, between square net bottom seat base plate (1) and bent cap base plate (8), is provided with articulated linkage (4).
3. vertical girder falling system according to claim 2, is characterized in that, is provided with base junction plate (2) at the bottom of beam on square net bottom seat base plate (1), and articulated linkage (4) is connected with base junction plate (2) by base high-strength bolt (3); Be provided with bent cap base junction plate (7) on bent cap base plate (8), articulated linkage (4) is connected with bent cap base junction plate (7) by bent cap base high-strength bolt (6).
4. vertical girder falling system according to claim 3, is characterized in that, base junction plate (2) is arranged in the base junction plate hole slot (14) at square net bottom seat base plate (1) middle part at the bottom of beam; Bent cap base junction plate (7) is arranged on bent cap base plate (8) middle part by bent cap wing base junction plate hole slot (15).
5. vertical girder falling system according to claim 4, it is characterized in that, be connected with respectively two articulated linkage (4) on square net bottom seat base plate (1) and bent cap base plate (8) at the bottom of beam, articulated linkage (4) at the bottom of beam on square net bottom seat base plate (1) is connected by high-strength bolt (5) with the articulated linkage (4) on bent cap base plate (8), and four articulated linkage (4) connect into rhombus.
6. vertical girder falling system according to claim 5, is characterized in that, between base high-strength bolt (3) and bent cap base high-strength bolt (6), is connected with shape-memory alloy wire outpacking rubber (9).
7. vertical girder falling system according to claim 6, is characterized in that, shape-memory alloy wire outpacking rubber (9) two ends are anchored on articulated linkage (4) by anchor head (11) respectively.
8. vertical girder falling system according to claim 5, is characterized in that, between two high-strength bolts (5) on the articulated linkage (4) that rhombus is arranged, is provided with horizontal outpacking rubber (12).
9. vertical girder falling system according to claim 8, is characterized in that, laterally outpacking rubber (12) two ends are anchored on articulated linkage (4) by anchor head (11) respectively.
10. vertical girder falling system according to claim 5, is characterized in that, is provided with 1/2nd place's outpacking rubbers (13) between the center of adjacent two articulated linkage (4).
11. vertical girder falling system according to claim 10, is characterized in that, 1/2nd place's outpacking rubber (13) middle parts are provided with shape-memory alloy wire (16).
12. according to the described vertical girder falling system of any one in claim 2 to 11, it is characterized in that, at the bottom of at the bottom of beam, square net bottom seat base plate (1) and bent cap base plate (8) are fixed on beam by high-strength expanding bolts (10) respectively and on bent cap.
13. according to the described vertical girder falling system of any one in claim 2 to 11, it is characterized in that, articulated linkage (4) two ends are respectively arranged with rod member hinged end (18), articulated linkage (4) middle part is provided with anchorage bearing on bar (17).
14. vertical girder falling system according to claim 1, it is characterized in that, the slide cartridge linkage comprises left base plate (31) and right base plate (32), between left base plate (31) and right base plate (32), is provided with connecting rod, is provided with sliding cylinder (21) on connecting rod.
15. vertical girder falling system according to claim 14, is characterized in that, sliding cylinder (21) two ends are provided with slide cartridge protecting cover (33).
16. vertical girder falling system according to claim 15, is characterized in that, sliding cylinder (21) left side is connecting rod left side (20), and sliding cylinder (21) right side is connecting rod right side (27).
17. vertical girder falling system according to claim 16, it is characterized in that, (20) termination, connecting rod left side is provided with slide link hinged end (19), be provided with left base junction plate (29) on left base plate (31), be connected by bolt (28) between slide link hinged end (19) and left base junction plate (29); Termination, connecting rod right side (27) is provided with connecting rod right side hinged end (22), is provided with right base junction plate (30) on right base plate (32), between connecting rod right side hinged end (22) and right base junction plate (30), by bolt (28), is connected.
18. vertical girder falling system according to claim 17, is characterized in that, left base plate (31) and right base plate (32) are connected on pier on bridge end two sides by high-strength expanding bolts (10) respectively.
19. according to claim 14 to the described vertical girder falling system of any one in 18, it is characterized in that, be provided with the circular slide plate (24) in left circular dividing plate (23), middle part and the right circular dividing plate (25) that are arranged in parallel in sliding cylinder (21), interconnect by shape-memory alloy wire (26) between left circular dividing plate (23), the circular slide plate (24) in middle part and right circular dividing plate (25).
20. vertical girder falling system according to claim 19, is characterized in that, left circular dividing plate (23) and right circular dividing plate (25) arrange near the slide cartridge protecting cover (33) at sliding cylinder (21) two ends respectively.
21. vertical girder falling system according to claim 1, it is characterized in that, crashproof comprises sheet rubber (35), be provided with marmem circle (36) on sheet rubber (35), be provided with at least one limit of sheet rubber (35) and connect iron plate (34), connect iron plate (34) and be connected on the connecting portion of bridge web by high-strength expanding bolts (10).
22. vertical girder falling system according to claim 21 is characterized in that a plurality of marmem circles (36) are disposed on sheet rubber (35).
23. vertical girder falling system according to claim 22 is characterized in that a plurality of marmem circles (36) are set in qually spaced on sheet rubber (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203457433U CN203320398U (en) | 2013-06-15 | 2013-06-15 | Longitudinal anti-falling beam system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203457433U CN203320398U (en) | 2013-06-15 | 2013-06-15 | Longitudinal anti-falling beam system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203320398U true CN203320398U (en) | 2013-12-04 |
Family
ID=49659764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203457433U Withdrawn - After Issue CN203320398U (en) | 2013-06-15 | 2013-06-15 | Longitudinal anti-falling beam system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203320398U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306193A (en) * | 2013-06-15 | 2013-09-18 | 中南大学 | Vertical beam falling-off prevention system |
| CN104963278A (en) * | 2015-07-15 | 2015-10-07 | 浙江省交通规划设计研究院 | Pier top displacement spring limiter for high-pier bridge |
| CN105625163A (en) * | 2016-01-08 | 2016-06-01 | 苏交科集团股份有限公司 | Beam falling prevention device |
| CN106869010A (en) * | 2016-12-23 | 2017-06-20 | 大连理工大学 | The damper of shape-memory alloy wire is twined outside a kind of high-damping rubber cylinder segmented |
| CN109356017A (en) * | 2018-10-30 | 2019-02-19 | 南昌大学 | It is a kind of to limit the Continuous Concrete Box Girders for reducing loss of prestress composite structure with self- recoverage |
| CN110965456A (en) * | 2019-12-20 | 2020-04-07 | 中国地震局工程力学研究所 | Synchronous limiting and beam falling preventing device based on energy dissipation type structure |
| CN112376397A (en) * | 2020-11-05 | 2021-02-19 | 贵州路桥集团有限公司 | Tension and compression bar type steel and concrete combined beam bridge anti-overturning device |
-
2013
- 2013-06-15 CN CN2013203457433U patent/CN203320398U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306193A (en) * | 2013-06-15 | 2013-09-18 | 中南大学 | Vertical beam falling-off prevention system |
| CN104963278A (en) * | 2015-07-15 | 2015-10-07 | 浙江省交通规划设计研究院 | Pier top displacement spring limiter for high-pier bridge |
| CN105625163A (en) * | 2016-01-08 | 2016-06-01 | 苏交科集团股份有限公司 | Beam falling prevention device |
| CN106869010A (en) * | 2016-12-23 | 2017-06-20 | 大连理工大学 | The damper of shape-memory alloy wire is twined outside a kind of high-damping rubber cylinder segmented |
| CN106869010B (en) * | 2016-12-23 | 2018-09-04 | 大连理工大学 | A kind of high-damping rubber cylinder segmented twines the damper of shape-memory alloy wire outside |
| CN109356017A (en) * | 2018-10-30 | 2019-02-19 | 南昌大学 | It is a kind of to limit the Continuous Concrete Box Girders for reducing loss of prestress composite structure with self- recoverage |
| CN110965456A (en) * | 2019-12-20 | 2020-04-07 | 中国地震局工程力学研究所 | Synchronous limiting and beam falling preventing device based on energy dissipation type structure |
| CN112376397A (en) * | 2020-11-05 | 2021-02-19 | 贵州路桥集团有限公司 | Tension and compression bar type steel and concrete combined beam bridge anti-overturning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103306193B (en) | Vertical beam falling-off prevention system | |
| CN203320398U (en) | Longitudinal anti-falling beam system | |
| CN103696498B (en) | Easily steel hetermorphiscal column-center support is repaired after a kind of shake | |
| CN104005338B (en) | A kind of long-span cablestayed bridges tower beam three-dimensional temporary consolidation structure | |
| CN107558387B (en) | Novel combined type flexible shed tunnel structure for protecting high-altitude falling rocks and collapse broken stones | |
| CN103306192B (en) | A kind of bridge space energy consumption limit device | |
| CN103882803A (en) | Replaceable transversely-arranged prestressing tendon self-resetting energy dissipation bridge pier | |
| CN103628587A (en) | Self-reset girder-grid friction wall structural system | |
| CN103866687A (en) | Energy-dissipation self-resetting bridge pier column structure | |
| CN109339237B (en) | Self-resetting energy dissipation node of steel beam-concrete column | |
| CN104110076A (en) | Tensile limiting combined type seismic isolation support | |
| CN103290779B (en) | Bridge transverse beam-falling-proof device | |
| CN104674686A (en) | Side slope rockfall cushioning and protection system | |
| CN110453813A (en) | A kind of replaceable built-in profile steel diagonal brace prefabricated PC energy-consuming shear wall | |
| CN103669567B (en) | Easily steel hetermorphiscal column-prestressing force accentric support frame is repaired after a kind of shake | |
| CN203583708U (en) | Self-resetting beam-grid friction wall structural system | |
| CN203320396U (en) | Space energy consumption limiting device for bridge | |
| CN203866711U (en) | Large span cable-stayed bridge tower beam three-way temporary consolidation structure | |
| CN110714545A (en) | Self-resetting energy dissipation steel column base node | |
| CN114775410A (en) | Limiting self-resetting railway swinging hollow pier with built-in corrugated web damper | |
| CN206438384U (en) | A kind of horizontal shock-absorbing construction for being applied to conventional beam bridge | |
| CN204530522U (en) | A kind of Falling Rocks buffer protection system | |
| CN103774548A (en) | Box type steel pier with stiffening energy dissipation wall boards arranged on root | |
| CN103669722B (en) | Steel Framed Structure with Special-Shaped Columns suspension column is easily repaired after a kind of shake | |
| CN111364348A (en) | Multiple damping buffering energy consumption type bridge anti-seismic stop block structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150225 |
|
| RGAV | Abandon patent right to avoid regrant |