CN1087801C

CN1087801C - Fast-mounting highway, railway and river automotive bridge

Info

Publication number: CN1087801C
Application number: CN 98117754
Authority: CN
Inventors: 路福昌
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-08
Filing date: 1998-09-08
Publication date: 2002-07-17
Anticipated expiration: 2018-09-08
Also published as: CN1213724A

Abstract

The present invention relates to a fast-installation highway, railway and river automotive bridge, a main bridge of which is formed by combining a plurality of prefabricated bridge arches (1), longitudinal beams (2) and vertical columns (3), wherein each group of longitudinal beams (2) are respectively connected with each other by longitudinal beam connecting rods (4), transverse beams (5) are arranged between each group of longitudinal beams (2) and the vertical columns (3), and the lower parts of the vertical columns (3) and the bridge arches (1) are connected with strip-shaped foundations (6). Because the main bridge is assembled by prefabricated components manufactured by factories, the construction period can be greatly reduced, the bridge construction cost is reduced, and one road with a plurality of bridges can be simultaneously built to open to traffic within 1 to 2 months under the premise of non-complete stop traffic regardless of the weather.

Description

Fast-mounting highway, railway, river automotive bridge

The present invention relates to bridge, particularly the automobile bridge on fast-mounting highway, railway and the rivers.

The development of highway communication is very rapid at present, the thing followed is that the development of different types of rridges is also very quick, comprise various overpass bridges, road bridge and the bridge of crossing over railway and rivers, but the existing bridge construction cycle is long, the cost height and need the dismounting house, destroy original road surface, manage displacement, opening circuit chops at a tree, streetful muddy water, destroys greening, contaminated environment, seriously disturbs residents, so can not adapt to the needs of highway and bridge high speed development.

Purpose of the present invention promptly is variety of problems and the drawback at existence in existing bridge design and the construction, comprise that the construction period is long, cost is high and disturb residents and the problem of aspect such as contaminated environment, and provide a kind of construction period short, reduce investment outlay and fast-mounting highway, railway, the river automotive bridge of the not original traffic of full cut-off.

The objective of the invention is to be achieved through the following technical solutions:

A kind of fast-mounting highway, railway, river automotive bridge, comprise main bridge and upper and lower bend, said main bridge is combined by a plurality of prefabricated bridge arch (1), longeron (2) and column (3), wherein every group of longeron (2) all uses longeron connecting rod (4) to connect, between every group of longeron (2) and the column (3) crossbeam (5) is housed also, below column (3) and bridge arch (1), be connected with strip foundation (6), end of the bridge retaining (7) is installed at the two ends of main bridge.Bridge arch (1) is a reinforced concrete precast member, and its top is embedded with suspension hook (101), and bridge arch (1) is arranged in order by height, allowance below nominal size 150mm on each, and that the highest is 3M, that minimum is 1.5M, arch radius of curvature R=1000～1500mm that bridge arch (1) is following.Longeron (2) is the manganese steel plate product, and it is of a size of long 16～40M, and wide 200mm arches upward sagitta 400～700mm in the middle of the high 450～700mm, longeron (2).Column (3) is made with 16Mn or 45# steel plate, the thick 16mm of steel plate, and the cross section of beam column is the steel pipe of Φ 300～600mm, it highly is divided into the above several sizes of 2.4M, 3.2M, 4.0M and 4M.Strip foundation (6) is a steel concrete spare, presses the quantity and the size prefabricate strip foundation (6) of column (3).Crossbeam (5) forms with the 16Mn welded steel plate, and its length is 1M, high 600mm, wide 300mm.

The present invention has the following advantages and effect:

1. can be in countries in the world the crowded crossroad of the various traffics of new mature city, more than one tunnel bridges are open to the traffic simultaneously in 1～2 month under full cut-off traffic not and stopped by neither wind or rain prerequisite, and can be with inter-bank people overhead pedestrian crossing, fully phasing out traffic lights, to reach traffic unblocked.Reform all drawbacks of bridge construction design, for example,, big than span than deeply than height, bigger than bridge, get than the cost height more and to take,, mix the fundamental difference of having disturbed road bridge and rivers bridge no matter whether practical, so caused bridge construction removal house, city, destroyed Yuan Lu, manage displacement, open circuit chop at a tree, ditching digs a hole, piling punching, streetful muddy water, destroy greening, contaminated environment, seriously disturb residents, more stop up the old designs of a large amount of wastes under the bridge and merely ignore on the bridge behind the bridge construction.

2. the bridge of this patent is from looking into geodetic section, design scheme, all construction drawings, processing and fabricating, general 10 standard drawings of installation and transportation, the all-work comprehensive cost saves 2/3 than the same scale in BeiJing, China, Shanghai, Guangzhou, conventional cement bridge, puies forward the disadvantage of receiving design fee (should from the reducing investment outlay of same scale by % than extracting patent royalties and design fee) because we have reformed by total cost.

3. the bridge the key technical indexes bridge of this patent is long, bridge is wide, spanning should be as the criterion by practicality is required, 5.5 meters of clear height under the road bridge (stride 6～12 meters of railway bridges, the rivers bridge is high 36 meters) the bridge floor gradient 1～5%, design load for (vapour surpasses 20 and hangs 120) bridge floor steadily and the motion noise all meet world's Class I highway bridge design standard.

4. the bridge of this patent is after high-tech design reform design, and the installation and processing technology is simple, and local general regular building constructor can both installation and processing.Have the practical operation experience watt, wood, the welder understands once learning, and can operation on duty (second bridge packing back outward appearance tone is obviously supporting consistent with the bridge floor advertisement).

5. the bridge design of this patent design adopts that Make the past serve the present and foreign things serve China, modernized material is designed to the horizontal slide force double curvature arch of all steel frame combined type steel reinforced concrete arch is concavo-convex joins full load structure.All all batch production productions of whole members, assembled on site, without the construction plant windrow, do not take a scaffold, just can be unified structure element, continuous productive process is installed in marshalling, adapts to various crossings usual friendship oblique and is assembled into:

(1) in-line cross-line rotating disk bridge; (2) the large-scale intercommunication bridge of M shape; (3) herringbone trident bridge; (4) U-shaped bridge; And bridge has extraordinary anti-pernicious passive safety device on bridge, and is easy to maintenance as set up the back on subway, water, coal, electricity, heating power pipe trench and various underground quicksand muds road surface.Also can utilize longeron and longeron space to set up various bypass pipelines.

6. the bridge of this patent can be widened or usefulness is again installed in the removal strange land with the needs of urban development, and to the natural disaster earthquake, that the anti-war of antidetonation is repaired is convenient, all three supplies and one leveling are very simple.This bridge design breaks through conventional, has demonstrated fully many, fast, good, province, safety, economy, modernization design principle attractive in appearance, and the seat of honour bridge construction of providing loans at home and abroad, settles accounts in the back month of being open to traffic.

The drawing of accompanying drawing is described as follows:

Fig. 1 a is the crossstructure schematic diagram of embodiment one

Fig. 1 b is the pontic vertical view of embodiment one

Fig. 2 a is row's arch structure schematic diagram

Fig. 2 b is row's arch vertical view

Fig. 3 a is prefabricated bridge arch structural representation

Fig. 3 b is prefabricated bridge arch lateral view

Fig. 4 is longitudinal beam structure figure

Fig. 5 is longeron bar linkage structure figure

Fig. 6 a is an end of the bridge retaining structure chart

Fig. 6 b is an end of the bridge retaining lateral view

Fig. 7 a～7b is respectively the elevation and the vertical view of column

Fig. 8 a is the strip foundation structure chart

Fig. 8 b is the strip foundation vertical view

Fig. 9 a is beam structure figure

Fig. 9 b is the crossbeam vertical view

Fig. 9 c is the 1-1 profile of Fig. 8 a

Fig. 9 d is the crossbeam upward view

Figure 10 a, 10b are crossstructure figure and the vertical views of embodiment two

Be described further below in conjunction with drawings and Examples:

Embodiment one: shown in Fig. 1 a～Fig. 9 c is one embodiment of the invention, can see that by Fig. 1 a, 1b this is an overpass bridge, it is made up of main bridge and upper and lower bend, its main bridge is combined by a plurality of prefabricated bridge arch 1, longeron 2 and column 3, wherein every group of longeron 2 all connects with longeron connecting rod 4 (see figure 5)s, between every group of longeron 2 and the column 3 crossbeam 5 (seeing Fig. 8 a and Fig. 8 b) is housed, below column 3 and bridge arch 1, is connected with strip foundation 6, end of the bridge retaining 7 is installed at the two ends of main bridge.

Fig. 2 a, 2b are depicted as row's arch figure, this bridge arch amounts to 200, divides ten of the every rows of ten rows, is arranged in order, allowance below nominal size 150mm on each, other is made by single-piece figure, and one of each bridge arch is established two of pre-buried reinforcing bars, and this bridge arch is up to 3M, minimum is 1.5M, must be before the handling the pre-buried stable head that exposes, turning round as the road surface should be after first row be close to the girder steel steel column, and row's arch is made up of prefabricated bridge arch 1.

Fig. 3 a, 3b are the structure charts of bridge arch 1, and it is a reinforced concrete precast member, and its top is embedded with suspension hook 101, following arch radius of curvature R=1000～1500mm.

Figure 4 shows that the structure chart of longeron 2, used 3 years successful experience according to Tai'an, Shandong patent bridge, this sleeper span is all made of 12 thick 16 manganese bridge steel plates from 16 meters to 60 meters, its specification be one, 16 meter long * 200mm wide * the 450mm height, sagitta 400mm; Two, 20 meters long * 200mm is wide, 500mm is high, sagitta 500mm; Three, 30 meters long * 200mm are wide, deck-molding 600mm, and 40 meters of sagitta 600mm and beam lengths, deck-molding 700mm, sagitta 700mm calculate with preface and are as the criterion.This beam slab advance after the factory must be after the check signature of quality inspection station can blanking processing, do not play the conventional welding of groove, perforating, remove thorn, rust cleaning, after mopping two limits, the qualified back of pressure testing, the tripartite acceptance(check) as the mass production of first sample beam.

Figure 5 shows that longeron connecting rod 4 structure charts, the longeron connecting rod adopts Φ 40 to manage welding M18 nuts, and weld bond is concordant, and completion back priming finish paint color is made by oneself, with the M18 strand nut scarfing cinder after welding is added butter.

Fig. 6 a, 6b are depicted as the structure chart of end of the bridge retaining 7, and it is a reinforced concrete precast member, face about end of the bridge concrete guard wall side has the male and female groove gradient to divide, and two are a pair of, and suspension hook is straight for the embedded iron reason.Must clean out the bottom, corner before this part fortune dress, the bottom gradient is fixed in addition according to the road surface, when install with Φ 16 reinforcing bar bound edges the upright bottom surface of 8 blocks of crashproof plates of end of the bridge and guardrail weld.

Fig. 7 a～7b is depicted as the structure chart of column 3, this column is the standard drawing of various bridge types, remove high low dimensional difference, other all can be general, every kind of 4～6 of size is compiled one group, this bridge post is with thick 16 millimeters of material 16 manganese or No. 45 steel plates, beam column 301 is i iron or Φ 300～600 steel pipe unified specifications, has many eyelets to be used for being connected with crossbeam 5 on the upper plate 302 of column 3, and lower plate 303 is foursquare plates, processing factory must carry out material chemical examination back by the figure blanking, do not beat groove, after the conventional welding, glacing flatness can not surpass 1 ‰, after the acceptance(check) of all size size, remove to weld skin, burr, rust cleaning, remove contamination, refresh the type corrosion resistant coating, do the orange finish paint of back brush.

Fig. 8 a～8b is depicted as the structure chart of strip foundation 6, and it is thick to press 3～6 meters long * 1.0 * .3-2 of column prefabricate strip foundation

30 steel concrete, 16 of vertical muscle Φ, uniform Φ 6-250, pre-embedded steel slab 12～16 thick 1000 * 900 * 500 two kinds, it is fixed in addition according to spanning that plate back welding Φ 16 reinforcing bars welds the smooth quantity of back steel plate apart from 250, and other decides base thickness according to Lu Po road matter.

Fig. 9 a～9d is the structure chart of crossbeam 5, crossbeam adopts that 16 manganese steel plates 16 are thick to be welded into 10 meters long 300 wide 600 height, amount to 250 of 8 Φ, 20 borings, deburring rust cleaning mopping two degree (the longeron eye is arranged line from crossbeam two toward the centre), 24 on bridge bolt is pressed the conventional blanking of bridge post figure, the welding specification adds up to 30T with last identical.

In sum, the main bridge portion of this bridge is mainly combined by prefabricated component, and remaining work is to lay bridge floor (pitch or cement) and the upper and lower sloping bend of construction.

Embodiment two: see Figure 10 a, 10b, the dissimilarity of it and embodiment one is that its main bridge divides I and a plurality of longeron part II to combine by a plurality of rows arch, underground passage is arranged, and some overpass bridges, stride railway bridge, stride the rivers bridge and be connected to each other together, and its each row arch divide I and longeron part II by with embodiment one in identical or akin prefabricated component combine, make various prefabricated components form series of products.

Bridge design data of the present invention are as follows:

1. abutment: survey and experiment through looking into of all highways of domestic and international large, medium and small city, as long as road surface through the operation of bulk production truck, its every square metre vertical road surface load is all more than 90 tons, the deadweight of this bridge adds 1.5 tons every square metre of deliveries and focuses on the abutment strip foundation road surface every square all below 29 tons, only account for 1/3 of road surface load, design formulas is 29 tons of every square metre loads of 16 * 18=288+240=528 ÷ 18=.

2. bridge post: this bridge post is answered 174 tons of loads, 50 tons of its actual uses.So in servicely estimate the sensation that each bridge post all has no horizontal unstability through instrument and feel.And it is motionless to do vertical pressure testing through 3 50 tons of hydraulic jacks.

3. crossbeam: specification is identical with the bridge post, and its service orientation is that horizontal facade uses, and all uniform symmetries of riser that are stressed all in beam are stressed because of longeron and bridge post.With actual pressure testing, its DATA DISTRIBUTION longeron load is only used 1/6 of its actual bearer as calculated.

4. longeron: this bridge is selected for use 16 manganese, 12 * 12 * 400 high arch forms to connect system and use special welding H-bar, has given full play to the effect that the full load of arch form horizontal thrust in ancient times does not have the downwarp sinking.So the longeron of this bridge saves 1/2 than the conventional cage case girder steel in China and foreign countries with steel in the specification of same span, and intensity wants big 2.8 times.

5. bridge floor: unique new technology has been adopted in the design of this bridge floor fully from structure to outward appearance, every square metre of independent load is more than 80 tons, so Tai'an bridge is through the test of 3 year spring, summer, autumn and winter strong wind and heavy rain, the full-bridge basis does not have, and its bridge floor stability of beating is littler 3 times than the girder steel bridge floor of routine.So solved the bridge floor hollowing and the bumping at bridge-head shrinkage joint that exist safely at home and abroad, forever cancelled the difficult problem of bridge floor overhaul traffic congestion.

6. anti-earthquake disaster caused by a windstorm: the lesson of shaking the foreign formula calculated description failure of falling apart according to Japanese slope celestially because of the overweight full-bridge of pontic, so the design calculation of this bridge is not have and particular structure on any books, the structure of whole pontic is that arch, hyperbolic, Tong Liang, logical muscle, conjuncted, concavo-convex, interlock are joined or the like.Tai'an, Shandong is the experiment bridge, and every experimental data all contains the shrinkage joint in the contemplation.

Claims

1. a fast-mounting highway, railway, river automotive bridge, comprise main bridge and upper and lower bend, it is characterized in that: said main bridge is combined by a plurality of prefabricated bridge arch (1), longeron (2) and column (3), wherein every group of longeron (2) all uses longeron connecting rod (4) to connect, between every group of longeron (2) and the column (3) crossbeam (5) is housed also, below column (3) and bridge arch (1), be connected with strip foundation (6), end of the bridge retaining (7) is installed at the two ends of main bridge.

2. fast-mounting highway according to claim 1, railway, river automotive bridge, it is characterized in that: bridge arch (1) is a reinforced concrete precast member, its top is embedded with suspension hook (101), bridge arch (1) is arranged in order by height, allowance below nominal size 150mm on each, that the highest is 3M, and that minimum is 1.5M, arch radius of curvature R=1000～1500mm that bridge arch (1) is following.

3. fast-mounting highway according to claim 1, railway, river automotive bridge is characterized in that: longeron (2) is the manganese steel plate product, and it is of a size of long 16～40M, and wide 200mm arches upward sagitta 400～700mm in the middle of the high 450～700mm, longeron (2).

4. fast-mounting highway according to claim 1, railway, river automotive bridge, it is characterized in that: column (3) is made with 16Mn or 45# steel plate, the thick 16mm of steel plate, the cross section of beam column is the steel pipe of Φ 300～600mm, it highly is divided into the above several sizes of 2.4M, 3.2M, 4.0M and 4M.

5. fast-mounting highway according to claim 1, railway, river automotive bridge is characterized in that: strip foundation (6) is a steel concrete spare, presses the quantity and the size prefabricate strip foundation (6) of column (3).

6. fast-mounting highway according to claim 1, railway, river automotive bridge is characterized in that: crossbeam (5) forms with the 16Mn welded steel plate, and its length is 1M, high 600mm, wide 300mm.