CN102433846A - Corrugated steel sheets for corrugated steel arch bridges and culverts and bridge and culvert installation method utilizing same - Google Patents

Corrugated steel sheets for corrugated steel arch bridges and culverts and bridge and culvert installation method utilizing same Download PDF

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CN102433846A
CN102433846A CN2011103216678A CN201110321667A CN102433846A CN 102433846 A CN102433846 A CN 102433846A CN 2011103216678 A CN2011103216678 A CN 2011103216678A CN 201110321667 A CN201110321667 A CN 201110321667A CN 102433846 A CN102433846 A CN 102433846A
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corrugated steel
row
steel plate
arch bridge
arch
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CN102433846B (en
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韩冰
王元丰
刘保东
何振伟
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Beijing Jiaotong University
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Beijing Jiaotong University
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Abstract

The invention provides corrugated steel sheets for corrugated steel arch bridges and culverts and a bridge and culvert installation method utilizing the same, relating to corrugated steel sheets and solving the following problems in the installation methods of the existing sheets for corrugated steel bridges and culverts: the overall mechanical performances of the sheets are unreasonable, the connecting bolts bear large shearing force and the reliability is low. Each corrugated steel sheet comprises a corrugated steel sheet main body (1) and two end steel connecting sheets (2-1, 2-2) vertically welded on the two wide sides. The method comprises the following steps of: cutting the long sides of the first row of corrugated steel sheets connected with first and second arch abutments (D-1, D-2) and the wide sides of the corrugated steel sheets at the end of each row, installing the corrugated steel sheets for the corrugated steel arch bridges and culverts from the first tips to the second tips of the first and second arch abutments in sequence, installing the second row of corrugated steel sheets for the corrugated steel arch bridges and culverts in sequence above the first row and lapping the third row on the second row until cloture, wherein the first row of corrugated steel sheets and the second row of corrugated steel sheets are connected by bolts and nuts. The arch bridges and culverts have high reliability and construction convenience.

Description

A kind of corrugated steel plate and bridges and culverts mounting method thereof that is used for the culvert of corrugated steel arch bridge
Technical field
The present invention relates to a kind of corrugated steel plate and bridges and culverts mounting method thereof of Corrugated Steel Bridge and Culvert.More specifically, the present invention relates to a kind of corrugated steel plate structural form, and adopt a kind of corrugated steel arch bridge to contain convenience and reliability that mounting method guaranteed and improved the culvert of corrugated steel arch bridge.
Background technology
It is that the employing corrugated steel is the structure of main bearing carrier that the corrugated steel arch bridge is contained, and utilizes corrugated steel and roadbed filling to form domes, bears external loads jointly.It has stronger shock resistance, can adapt to the sedimentation and deformation of puna, can be applicable to the roadbed of the various depths of fill.Compare with steel concrete, masonry marshalling, have easy construction, an advantage such as the duration is short, cost is low, be beneficial to environmental protection, moulding brevity and lucidity, landscape effect are good, application development prospect is wide.
At present, the mounting method of staggered overlap joint back, each limit through the bolt anchoring connection all adopted in the assembly unit of the corrugated steel plate of corrugated steel arch bridge culvert.The problem that this conventional deck sheet mounting method exists is:
1) the adjacent corrugations sheet steel is receiving can not to keep coaxial line on the force direction, and holistic resistant behavior is unreasonable;
2) connecting bolt of corrugated steel plate bears very big shearing;
3) the long limit of bridges and culverts corrugated steel plate all needs to be connected with bolt and nut with broadside, and engineering quantity is big, plate assembly unit difficult quality guarantee;
4) be difficult to satisfy the splicing accuracy requirement for labyrinth is linear;
5) occur multilayer (greater than 2 layers) usually in corrugated steel plate bight and overlap, connect difficulty and strengthen;
6) bolt is arranged on crest or trough place, can not guarantee straight with the plate contact surface, and anchorage reliability is low.
Summary of the invention
Technical problem to be solved by this invention is an existing Corrugated Steel Bridge and Culvert plate and bridges and culverts mounting method holistic resistant behavior is unreasonable, connecting bolt bears that shearing is big, assembly unit is complicated and be difficult to ensure the quality of products, be difficult to satisfy that splicing accuracy requirement, corrugated steel plate multilayer overlap, anchorage reliability is low.
The present invention solves the technical scheme of its technical problem:
A kind of corrugated steel plate that is used for the culvert of corrugated steel arch bridge, the corrugated steel plate that is used for the culvert of corrugated steel arch bridge comprises corrugated steel plate main body, two end steel junction plates.
Two end steel junction plates are all identical rectangular steel plates of geomery, and the rectangle width all is provided with two rows n through hole altogether greater than the wave height of corrugated steel plate main body on two end steel junction plates.
The steel junction plate in vertical respectively welding a slice end, the middle part of two broadsides of corrugated steel plate main body, the wide l of corrugated steel plate main body 2Grow the long l of end steel junction plate 3Each half wavelength l of two 4
Use is used for the method for the corrugated steel plate installation bridges and culverts of corrugated steel arch bridge culvert, and this mounting method may further comprise the steps:
The row that step 1 is calculated the corrugated steel plate that is used for the culvert of corrugated steel arch bridge of the use of building the culvert of corrugated steel arch bridge counts N:
N＝l 0/l 1
L in the formula 0---the arc length of the arch ring contained for the corrugated steel arch bridge;
l 1---be used for the length of the corrugated steel plate of corrugated steel arch bridge culvert for a slice;
Calculate the quantity M that every row is used for the corrugated steel plate of corrugated steel arch bridge culvert:
M＝L/l 3
L in the formula---be the length of arch abutment;
l 3---be the length of end steel junction plate;
Long sideline judge's shear method that direct-connected two first rows of step 2 and first, second arch abutment are used for the corrugated steel plate of corrugated steel arch bridge culvert is:
If the fractional part n of the N that calculates 0>=0.6 o'clock, the corrugated steel plate that then needs to be used for the culvert of corrugated steel arch bridge was along being cut into n perpendicular to long side direction 0l 1/ 2; If the fractional part n of the N that calculates 0＜0.6 o'clock, the corrugated steel plate that then needs to be used for the culvert of corrugated steel arch bridge was along being cut into (1+n perpendicular to long side direction 0) l 1/ 2;
The method of cutting out that is used for the broadside of the corrugated steel plate that the corrugated steel arch bridge contains is:
What first row of first arch abutment was used for corrugated steel plate that the corrugated steel arch bridge contains gets a slice along being cut into m perpendicular to broadside 0l 3
If the fractional part m of the M that calculates 0>=0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along being cut into l perpendicular to broadside 2/ 2 with (m 0-0.5+l 4); If the fractional part m of the M that calculates 0＜0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along being cut into l perpendicular to broadside 2/ 2 with (m 0+ 0.5+l 4);
Alternately first, second row of repetition first arch abutment is used for the method for cutting out of the corrugated steel plate broadside of corrugated steel arch bridge culvert, and cutting remains every row and is used for the corrugated steel plate that the corrugated steel arch bridge is contained, until first row of second arch abutment;
Step 3 is installed first row separately and is used for the corrugated steel plate that the corrugated steel arch bridge is contained on first, second arch abutment:
Be arranged in order from first termination of first arch abutment and broadside be installed cutting and long side direction are not cut into n 0l 1/ 2 first row is used for the corrugated steel plate that the corrugated steel arch bridge is contained; Adjacent two are used for a superimposed wavelength between the corrugated steel plate that the corrugated steel arch bridge contains; And rubber sheet is set at the folded commissure that is used between the corrugated steel plate that the corrugated steel arch bridge contains, broadside is installed at last is cut into m 0l 3Be used for the corrugated steel plate that the corrugated steel arch bridge is contained, the cutting otch that first row is used for the corrugated steel plate that the corrugated steel arch bridge contains is downwards and the connection arch abutment through bearing;
Naturally the row number N1 of the bridges and culverts that the corrugated steel plate that uses the corrugated steel arch bridge to contain is made:
Fractional part n as N 0>=0.6 o'clock, N1=[N]; Fractional part n as N 0＜0.6 o'clock, N1=[N]-1;
When row's number N1 was odd number naturally, first row of second arch abutment was used for the arrangement mounting method of the corrugated steel plate of corrugated steel arch bridge culvert and arranges identical with first of first arch abutment;
When row's number N1 is even number naturally, be cut into l in the installation of first termination of second arch abutment 2/ 2 half sheet is used for the corrugated steel plate that the corrugated steel arch bridge is contained; And then arrange the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed; A superimposed wavelength between the adjacent corrugated steel plate that is used for the culvert of corrugated steel arch bridge is arranged installation at last and is cut into (m 0-0.5+l 4) or (m 0+ 0.5+l 4) be used for the corrugated steel plate that the corrugated steel arch bridge is contained, make the length L of whole row's polishing to arch abutment;
The corrugated steel plate that is used for the culvert of corrugated steel arch bridge first row has an end of end steel junction plate to lay rubber mat plate;
Step 4 is arranged the method that installation second is arranged through bolt and nut above first of first arch abutment is arranged the corrugated steel plate that is used for the culvert of corrugated steel arch bridge:
First termination that first row on first arch abutment is used for the corrugated steel plate that the corrugated steel arch bridge contains is arranged the l that is cut into that second row is used for corrugated steel plate that the corrugated steel arch bridge contains is installed 2/ 2 half sheet is arranged the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed then, and a superimposed wavelength between the adjacent corrugated steel plate is arranged installation at last and is cut into (m 0-0.5+l 4) or (m 0+ 0.5+l 4) be used for the corrugated steel plate that the corrugated steel arch bridge is contained, make the length L of whole row's polishing to arch abutment,
First row of second arch abutment is used for corrugated steel plate top arrangement installation second row that the corrugated steel arch bridge is contained, and the method for arranging with the row of first on first arch abutment and second is identical;
The arrangement mounting method by termination, first termination to the second that the 3rd of first, second arch abutment of step 5 is arranged the corrugated steel plate that is used for the culvert of corrugated steel arch bridge is identical with first row, is fixedly mounted on second row through bolts and nuts;
Step 6 is installed the 4th row, the 5th row, the 6th row of first, second arch abutment successively ..., join the two sections of a bridge, etc until vault.
The value of the bolt number n that described a slice end steel junction plate uses requires and should satisfy:
The value of the bolt number n that described a slice end steel junction plate uses requires and should satisfy:
Set up two-dimensional finite element model with ANSYS, the cross section of the maximum shear that receives on the screening arch ring and maximum shear value, the cross section maximum shear value on total shear strength of n bolt >=corrugated steel arch bridge arch ring, that is:
n ≥ F s π R 2 f V b
F in the formula s---be the cross section maximum shear value on the corrugated steel arch bridge arch ring;
Figure BDA0000100526340000052
---be the shear strength design load of a bolt, R is the radius of a bolt.
The present invention compares the beneficial effect that is had with prior art:
The present invention is employed in vertical respectively welding a slice end, middle part steel junction plate of two broadsides of corrugated steel plate main body, through the mode of the bolt and nut axial restraint plate on the steel junction plate, realizes the axial butt joint of plate, and holistic resistant behavior is reasonable.
This connected mode has guaranteed that the force path of adjacent plate on same axis, avoids connecting bolt to receive very big shearing action.
Adjacent plate adopts the form of overlap joint, has effectively reduced engineering quantity, has guaranteed the assembly unit quality of plate.
Also can satisfy the splicing accuracy requirement for the linear of complicated bridges and culverts structure.
Joint construction is simple between the plate, and except that the connection of plate broadside realized through the half wavelength that is superimposed with each other, the non-ripple steel plate was superimposed.
Bolt is arranged on the steel junction plate of end, has improved reliability.
Description of drawings
A kind of corrugated steel plate schematic perspective view that is used for the culvert of corrugated steel arch bridge of Fig. 1.
A kind of corrugated steel plate that is used for the culvert of corrugated steel arch bridge of Fig. 2 is mounted to the bridge overall schematic.
Fig. 3 ANSYS two-dimensional finite element model is set up sketch map.
A kind of corrugated steel plate that is used for the culvert of corrugated steel arch bridge is mounted to the bridge sketch map in Fig. 4 embodiment two.
The specific embodiment
In conjunction with accompanying drawing the present invention is described further.
Embodiment one
A kind ofly be used for the corrugated steel plate that the corrugated steel arch bridge is contained, as shown in Figure 1, be used for corrugated steel plate that the corrugated steel arch bridge contains and comprise corrugated steel plate main body 1, two end steel junction plate 2-1,2-2.
Two end steel junction plate 2-1,2-2 are all identical rectangular steel plates of geomery, and the rectangle width is greater than the wave height of corrugated steel plate main body 1, two end steel junction plate 2-1, last two rows n the through hole altogether that all be provided with of 2-2.
The steel junction plate in vertical respectively welding a slice end, the middle part of two broadsides of corrugated steel plate main body 1, the wide l of corrugated steel plate main body 1 2Grow the long l of end steel junction plate 3Each half wavelength l of two 4
Use is used for the method for the corrugated steel plate installation bridges and culverts of corrugated steel arch bridge culvert, and this mounting method may further comprise the steps:
The row that step 1 is calculated the corrugated steel plate that is used for the culvert of corrugated steel arch bridge of the use of building the culvert of corrugated steel arch bridge counts N:
N＝l 0/l 1
L in the formula 0---the arc length of the arch ring contained for the corrugated steel arch bridge;
l 1---be used for the length of the corrugated steel plate of corrugated steel arch bridge culvert for a slice;
Calculate the quantity M that every row is used for the corrugated steel plate of corrugated steel arch bridge culvert:
M＝L/l 3
L in the formula---be the length of arch abutment;
l 3---be the length of end steel junction plate;
Long sideline judge's shear method that step 2 and first, second arch abutment D-1, direct-connected two first rows of D-2 are used for the corrugated steel plate of corrugated steel arch bridge culvert is:
If the fractional part n of the N that calculates 0>=0.6 o'clock, the corrugated steel plate that then needs to be used for the culvert of corrugated steel arch bridge was along being cut into n perpendicular to long side direction 0l 1/ 2; If the fractional part n of the N that calculates 0＜0.6 o'clock, the corrugated steel plate that then needs to be used for the culvert of corrugated steel arch bridge was along being cut into (1+n perpendicular to long side direction 0) l 1/ 2;
The method of cutting out that is used for the broadside of the corrugated steel plate that the corrugated steel arch bridge contains is:
What first row of the first arch abutment D-1 was used for corrugated steel plate that the corrugated steel arch bridge contains gets a slice along being cut into m perpendicular to broadside 0l 3
If the fractional part m of the M that calculates 0>=0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along being cut into l perpendicular to broadside 2/ 2 with (m 0-0.5+l 4); If the fractional part m of the M that calculates 0＜0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along being cut into l perpendicular to broadside 2/ 2 with (m 0+ 0.5+l 4);
Alternately first, second row of the repetition first arch abutment D-1 is used for the method for cutting out of the corrugated steel plate broadside of corrugated steel arch bridge culvert, and cutting remains every row and is used for the corrugated steel plate that the corrugated steel arch bridge is contained, until first row of the second arch abutment D-2;
Step 3 is installed first row separately and is used for the corrugated steel plate that the corrugated steel arch bridge is contained in that first, second arch abutment D-1, D-2 are last:
Be arranged in order from the first termination P1 of the first arch abutment D-1 and broadside be installed cutting and long side direction are not cut into n 0l 1/ 2 first row is used for the corrugated steel plate that the corrugated steel arch bridge is contained; Adjacent two are used for a superimposed wavelength between the corrugated steel plate that the corrugated steel arch bridge contains; And rubber sheet is set at the folded commissure that is used between the corrugated steel plate that the corrugated steel arch bridge contains, broadside is installed at last is cut into m 0l 3Be used for the corrugated steel plate that the corrugated steel arch bridge is contained, the cutting otch that first row is used for the corrugated steel plate that the corrugated steel arch bridge contains is downwards and the connection arch abutment through bearing;
Naturally the row number N1 of the bridges and culverts that the corrugated steel plate that uses the corrugated steel arch bridge to contain is made:
Fractional part n as N 0>=0.6 o'clock, N1=[N]; Fractional part n as N 0＜0.6 o'clock, N1=[N]-1;
When row's number N1 was odd number naturally, first row of the second arch abutment D-2 was used for the arrangement mounting method of the corrugated steel plate of corrugated steel arch bridge culvert and arranges identical with first of the first arch abutment D-1;
When row's number N1 is even number naturally, be cut into l in the first termination P3 of second arch abutment D-2 installation 2/ 2 half sheet is used for the corrugated steel plate that the corrugated steel arch bridge is contained; And then arrange the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed; A superimposed wavelength between the adjacent corrugated steel plate that is used for the culvert of corrugated steel arch bridge is arranged installation at last and is cut into (m 0-0.5+l 4) or (m 0+ 0.5+l 4) be used for the corrugated steel plate that the corrugated steel arch bridge is contained, make the length L of whole row's polishing to arch abutment;
The corrugated steel plate that is used for the culvert of corrugated steel arch bridge first row has an end of end steel junction plate to lay rubber mat plate;
Step 4 is arranged the method that installation second is arranged through bolt and nut above first of the first arch abutment D-1 arranges the corrugated steel plate that is used for the culvert of corrugated steel arch bridge:
The first termination P1 that first of the D-1 row is used for the corrugated steel plate that the corrugated steel arch bridge contains on first arch abutment arranges the l that is cut into that second row is used for corrugated steel plate that the corrugated steel arch bridge contains is installed 2/ 2 half sheet is arranged the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed then, and a superimposed wavelength between the adjacent corrugated steel plate is arranged installation at last and is cut into (m 0-0.5+l 4) or (m 0+ 0.5+l 4) be used for the corrugated steel plate that the corrugated steel arch bridge is contained, make the length L of whole row's polishing to arch abutment,
First row of the second arch abutment D-2 is used for corrugated steel plate top arrangement installation second row that the corrugated steel arch bridge is contained, and the method for arranging with first row and second of D-1 on first arch abutment is identical;
The arrangement mounting method by the first termination P1, P3 to the second termination P2, P4 that the 3rd of first, second arch abutment of step 5 D-1, D-2 arranges the corrugated steel plate that is used for the culvert of corrugated steel arch bridge is identical with first row, is fixedly mounted on second row through bolts and nuts;
Step 6 is installed the 4th row, the 5th row, the 6th row of first, second arch abutment D-1, D-2 successively ..., until the vault closure, as shown in Figure 2.
The value of the bolt number n that described a slice end steel junction plate uses requires and should satisfy:
Set up two-dimensional finite element model with ANSYS, as shown in Figure 3:
Structural information: earthing is thick to be 1.7m, and arch ring is 136 degree circular arc lines, and steel plate adopts 400mm * 180mm waveform, and thickness is 7mm.
Calculation criterion: do not adopt equivalent plate thickness to calculate, the soil body carries out nonlinear analysis with the DP criterion, and road surface thickness is got 40cm, and mobile load is diaxon 140kN, spacing 1.4m.
Beam element parameter: section area 10.042mm 2/ mm, second moment of area are 39568mm 4/ mm, wave height is 180mm, the steel springform measures 2.06 * 10 5MPa, the springform of soil is measured 35MPa, and supercrust gets springform and measures 300MPa, and the cohesive strength of soil is 6.895 * 10 -6, angle of internal friction is 30 °, the mobile load value gets 115.972 * 10 -3N, nodal forces are 27.06N.
The definition of unit and material: steel plate adopts beam element BEAM3, and poisson's ratio is 0.3, and density is 7.85 * 10 -6Kg/mm 3Soil adopts 82 unit PLANE42, and poisson's ratio is 0.25, and density is 1.9 * 10 -6Kg/mm 3, the road surface poisson's ratio is 0.3, density is 2.5 * 10 -6Kg/mm 3
Set up geometrical model: circular arc arch springing coordinate (3709,0), (3709,0), vault coordinate (0,2500).
Circular arch irised wipe be divided into 34 straight line units, find the solution analysis, drawing arch ring maximum cross-section shearing is 4.272N.
Get the length l=1.5m of the end steel junction plate of corrugated steel plate, maximum shear F s=4.272N * 1500=6408N chooses C level plain bolt, its shear strength
Figure BDA0000100526340000091
Bolt radius R=10mm, then
Figure BDA0000100526340000092
When the n value less than 4 the time, all be taken as 4; When the n value greater than 4 the time, can be taken as [n].Be taken as 4 so locate n.
If the terms and conditions index of model is different, the steel of employing are different with the material property of soil, and the bolt radius of employing is different with the shear strength grade all to be calculated according to above method.
Embodiment two
In the Engineering Projects, l 0=15m, L=6m, l 1=2m, l 2=1.7m, l 3=1.5m, l 4=0.1m.
The row that step 1 is calculated the corrugated steel plate that is used for the culvert of corrugated steel arch bridge of the use of building the culvert of corrugated steel arch bridge counts N:
N＝15/2＝7.5m
Calculate the quantity M that every row is used for the corrugated steel plate of corrugated steel arch bridge culvert:
M＝6/1.5＝4m
Long sideline judge's shear method that step 2 and first, second arch abutment D-1, direct-connected two first rows of D-2 are used for the corrugated steel plate of corrugated steel arch bridge culvert is:
The fractional part n of the N that cause calculates 0＜0.6, the corrugated steel plate that then will be used for the culvert of corrugated steel arch bridge is along being cut into 1.5m perpendicular to long side direction;
The method of cutting out that is used for the broadside of the corrugated steel plate that the corrugated steel arch bridge contains is:
The corrugated steel plate that first row of the first arch abutment D-1 is used for the culvert of corrugated steel arch bridge does not need cutting;
The fractional part m of the M that cause calculates 0＜0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along be cut into 0.85m and 0.85m perpendicular to broadside;
Alternately first, second row of the repetition first arch abutment D-1 is used for the method for cutting out of the corrugated steel plate broadside of corrugated steel arch bridge culvert, and cutting remains every row and is used for the corrugated steel plate that the corrugated steel arch bridge is contained, until first row of the second arch abutment D-2;
Step 3 is installed first row separately and is used for the corrugated steel plate that the corrugated steel arch bridge is contained in that first, second arch abutment D-1, D-2 are last:
From the first termination P1 of the first arch abutment D-1 be arranged in order install broadside not cutting and long side direction first row that is cut into 1.5m be used for the corrugated steel plate that the corrugated steel arch bridge is contained; Adjacent two are used for a superimposed wavelength between the corrugated steel plate that the corrugated steel arch bridge contains; And rubber sheet being set at the folded commissure that is used between the corrugated steel plate that the corrugated steel arch bridge contains, the cutting otch that first row is used for the corrugated steel plate that the corrugated steel arch bridge contains is downwards and the connection arch abutment through bearing;
Naturally the row number N1 of the bridges and culverts that the corrugated steel plate that uses the corrugated steel arch bridge to contain is made:
N1＝8
At the first termination P3 of the second arch abutment D-2 half sheet that is cut into 0.85m is installed and is used for the corrugated steel plate that the corrugated steel arch bridge is contained; And then arrange the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed; A superimposed wavelength between the adjacent corrugated steel plate that is used for the culvert of corrugated steel arch bridge; Arrange at last the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that is cut into 0.85m is installed, make the length 6m of whole row's polishing to arch abutment;
The corrugated steel plate that is used for the culvert of corrugated steel arch bridge first row has an end of end steel junction plate to lay rubber mat plate;
Step 4 is arranged the method that installation second is arranged through bolt and nut above first of the first arch abutment D-1 arranges the corrugated steel plate that is used for the culvert of corrugated steel arch bridge:
The first termination P1 that first of the D-1 row is used for the corrugated steel plate that the corrugated steel arch bridge contains on first arch abutment arranges half sheet that is cut into 0.85m that second row is used for the corrugated steel plate that the corrugated steel arch bridge contains is installed; Arrange the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed then; A superimposed wavelength between the adjacent corrugated steel plate; Arrange at last the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that is cut into 0.85m is installed, make the length 6m of whole row's polishing to arch abutment;
First row of the second arch abutment D-2 is used for corrugated steel plate top arrangement installation second row that the corrugated steel arch bridge is contained, and the method for arranging with first row and second of D-1 on first arch abutment is identical;
The arrangement mounting method by the first termination P1, P3 to the second termination P2, P4 that the 3rd of first, second arch abutment of step 5 D-1, D-2 arranges the corrugated steel plate that is used for the culvert of corrugated steel arch bridge is identical with first row, is fixedly mounted on second row through bolts and nuts;
Step 6 is installed the 4th row, the 5th row, the 6th row of first, second arch abutment D-1, D-2 successively ..., until the vault closure, as shown in Figure 4.

Claims (3)

1. one kind is used for the corrugated steel plate that the corrugated steel arch bridge is contained, and it is characterized in that:
The corrugated steel plate that is used for the culvert of corrugated steel arch bridge comprises corrugated steel plate main body (1), two end steel junction plates (2-1,2-2);
Two end steel junction plates (2-1,2-2) are all identical rectangular steel plates of geomery, and the rectangle width all is provided with two rows n through hole altogether greater than the wave height of corrugated steel plate main body (1) on two end steel junction plates (2-1,2-2);
The steel junction plate in vertical respectively welding a slice end, the middle part of two broadsides of corrugated steel plate main body (1), the wide l of corrugated steel plate main body (1) 2Grow the long l of end steel junction plate 3Each half wavelength l of two 4
2. use the method for the corrugated steel plate installation bridges and culverts of claim 1, it is characterized in that:
This mounting method may further comprise the steps:
The row that step 1 is calculated the corrugated steel plate that is used for the culvert of corrugated steel arch bridge of the use of building the culvert of corrugated steel arch bridge counts N:
N＝l 0/l 1
L in the formula 0---the arc length of the arch ring contained for the corrugated steel arch bridge;
l 1---be used for the length of the corrugated steel plate of corrugated steel arch bridge culvert for a slice;
Calculate the quantity M that every row is used for the corrugated steel plate of corrugated steel arch bridge culvert:
M＝L/l 3
L in the formula---be the length of arch abutment;
l 3---be the length of end steel junction plate;
Long sideline judge's shear method that direct-connected two first rows of step 2 and first, second arch abutment (D-1, D-2) are used for the corrugated steel plate of corrugated steel arch bridge culvert is:
If the fractional part n of the N that calculates 0>=0.6 o'clock, the corrugated steel plate that then needs to be used for the culvert of corrugated steel arch bridge was along being cut into n perpendicular to long side direction 0l 1/ 2; If the fractional part n of the N that calculates 0＜0.6 o'clock, the corrugated steel plate that then needs to be used for the culvert of corrugated steel arch bridge was along being cut into (1+n perpendicular to long side direction 0) l 1/ 2;
The method of cutting out that is used for the broadside of the corrugated steel plate that the corrugated steel arch bridge contains is:
What first row of first arch abutment (D-1) was used for corrugated steel plate that the corrugated steel arch bridge contains gets a slice along being cut into m perpendicular to broadside 0l 3
If the fractional part m of the M that calculates 0>=0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along being cut into l perpendicular to broadside 2/ 2 with (m 0-0.5+l 4); If the fractional part m of the M that calculates 0＜0.5 o'clock, second row was used for the corrugated steel plate of corrugated steel arch bridge culvert and gets two respectively along being cut into l perpendicular to broadside 2/ 2 with (m 0+ 0.5+l 4);
Alternately first, second row of repetition first arch abutment (D-1) is used for the method for cutting out of the corrugated steel plate broadside of corrugated steel arch bridge culvert, and cutting remains every row and is used for the corrugated steel plate that the corrugated steel arch bridge is contained, until first row of second arch abutment (D-2);
Step 3 is installed first row separately and is used for the corrugated steel plate that the corrugated steel arch bridge is contained on first, second arch abutment (D-1, D-2):
Be arranged in order from first termination (P1) of first arch abutment (D-1) and broadside be installed cutting and long side direction are not cut into n 0l 1/ 2 first row is used for the corrugated steel plate that the corrugated steel arch bridge is contained; Adjacent two are used for a superimposed wavelength between the corrugated steel plate that the corrugated steel arch bridge contains; And rubber sheet is set at the folded commissure that is used between the corrugated steel plate that the corrugated steel arch bridge contains, broadside is installed at last is cut into m 0l 3Be used for the corrugated steel plate that the corrugated steel arch bridge is contained, the cutting otch that first row is used for the corrugated steel plate that the corrugated steel arch bridge contains is downwards and the connection arch abutment through bearing;
Naturally the row number N1 of the bridges and culverts that the corrugated steel plate that uses the corrugated steel arch bridge to contain is made:
Fractional part n as N 0>=0.6 o'clock, N1=[N]; Fractional part n as N 0＜0.6 o'clock, N1=[N]-1;
When row's number N1 was odd number naturally, first row of second arch abutment (D-2) was used for the arrangement mounting method of the corrugated steel plate of corrugated steel arch bridge culvert and arranges identical with first of first arch abutment (D-1);
When row's number N1 was even number naturally, installation was cut into l in first termination of second arch abutment (D-2) (P3) 2/ 2 half sheet is used for the corrugated steel plate that the corrugated steel arch bridge is contained; And then arrange the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed; A superimposed wavelength between the adjacent corrugated steel plate that is used for the culvert of corrugated steel arch bridge is arranged installation at last and is cut into (m 0-0.5+l 4) or (m 0+ 0.5+l 4) be used for the corrugated steel plate that the corrugated steel arch bridge is contained, make the length L of whole row's polishing to arch abutment;
The corrugated steel plate that is used for the culvert of corrugated steel arch bridge first row has an end of end steel junction plate to lay rubber mat plate;
Step 4 is arranged the corrugated steel plate top that is used for the culvert of corrugated steel arch bridge at first of first arch abutment (D-1) and is arranged the method that installation second is arranged through bolt and nut:
First termination (P1) that first of (D-1) row is used for the corrugated steel plate that the corrugated steel arch bridge contains on first arch abutment is arranged the l that is cut into that second row is used for corrugated steel plate that the corrugated steel arch bridge contains is installed 2/ 2 half sheet is arranged the corrugated steel plate that the corrugated steel arch bridge is contained that is used for that full wafer is installed then, and a superimposed wavelength between the adjacent corrugated steel plate is arranged installation at last and is cut into (m 0-0.5+l 4) or (m 0+ 0.5+l 4) be used for the corrugated steel plate that the corrugated steel arch bridge is contained, make the length L of whole row's polishing to arch abutment,
First row of second arch abutment (D-2) is used for corrugated steel plate top arrangement installation second row that the corrugated steel arch bridge is contained, and the method for arranging with first row and second of (D-1) on first arch abutment is identical;
The 3rd row of first, second arch abutment of step 5 (D-1, D-2) be used for corrugated steel plate that the corrugated steel arch bridge contains the arrangement mounting method of (P2, P4) is identical with first row to second termination by first termination (P1, P3), be fixedly mounted on second through bolts and nuts and arrange;
Step 6 is installed the 4th row, the 5th row, the 6th row of first, second arch abutment (D-1, D-2) successively ..., join the two sections of a bridge, etc until vault.
3. corrugated steel plate according to claim 2 is installed the method for bridges and culverts, it is characterized in that:
The value of the bolt number n that described a slice end steel junction plate uses requires and should satisfy:
Set up two-dimensional finite element model with ANSYS, the cross section of the maximum shear that receives on the screening arch ring and maximum shear value, the cross section maximum shear value on total shear strength of n bolt >=corrugated steel arch bridge arch ring, that is:
n ≥ F s π R 2 f V b
F in the formula s---be the cross section maximum shear value on the corrugated steel arch bridge arch ring;
---be the shear strength design load of a bolt, R is the radius of a bolt.
CN 201110321667 2011-10-20 2011-10-20 Corrugated steel sheets for corrugated steel arch bridges and culverts and bridge and culvert installation method utilizing same Expired - Fee Related CN102433846B (en)

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CN107268758A (en) * 2017-08-08 2017-10-20 高红俊 Arch rainwater-collecting chamber
CN109500675A (en) * 2018-11-22 2019-03-22 中国航发沈阳黎明航空发动机有限责任公司 A kind of aspect grinds fixer for machining and its processing method than titanium alloy sheet

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