CN102094386A - PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch - Google Patents
PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch Download PDFInfo
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- CN102094386A CN102094386A CN 201110078991 CN201110078991A CN102094386A CN 102094386 A CN102094386 A CN 102094386A CN 201110078991 CN201110078991 CN 201110078991 CN 201110078991 A CN201110078991 A CN 201110078991A CN 102094386 A CN102094386 A CN 102094386A
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Abstract
The invention discloses a PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch which comprises a main arch constituted by continuously assembling a plurality of steel pipe concrete arch segments, and the steel pipe concrete arch segments are divided into two types, namely stiffened steel pipe concrete arch segments provided with PBL shear connectors and ordinary steel pipe concrete arch segments which are not provided with the PBL shear connectors according to the stress situations in the positions where the steel pipe concrete arch segments are located in the main arch; and each ordinary steel pipe concrete arch segment comprises an arch-shaped steel pipe II and a concrete-filled structure II poured in the arch-shaped steel pipe II, and each stiffened steel pipe concrete arch segment comprises an arch-shaped steel pipe I, a plurality of the PBL shear connectors distributed on the inner side wall of the arch-shaped steel pipe I along the direction of the axial line and a concrete-filled structure I poured in the arch-shaped steel pipe I. The PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch has simple structure, is reasonable in design, convenient to construct, excellent in mechanical properties and easy to control construction quality, and can solve the problems of void disease between steel pipes and concrete, shorter service life and the like in the existing steel pipe concrete arch structure.
Description
Technical field
The present invention relates to a kind of main arch structure of concrete-filled steel tubes arch bridge, especially relate to a kind of PBL shear connector shape steel tube concrete arch of putting more energy into.
Background technology
Over nearly 20 years, though concrete-filled steel tubes arch bridge has obtained huge achievement in the application of China, owing to do not publish corresponding technical standard as yet so far, and the correlative study achievement in the main invocation architecture structure of design and construction field, its theoretical research relatively lags behind.Simultaneously, because there are bigger difference in the arch rib of concrete-filled steel tubes arch bridge and the aspects such as job practices, load and effect, node and structure of the steel tube concrete frame puncheon in the building structure, therefore remain the phenomenon of between steel pipe and concrete, coming to nothing in the actual engineering of concrete-filled steel tubes arch bridge, make the transmission of concrete-filled steel tube arch structural internal force become indeterminate.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of PBL shear connector shape steel tube concrete arch of putting more energy into is provided, its simple in structure, reasonable in design and easy construction, mechanical property are superior, construction quality is easy to control, and the steel pipe and the concrete that can effectively solve present concrete filled steel tube arch structure existence come to nothing disease, application life than practical problems such as weak points.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: comprise the main arch that is assemblied to form continuously by a plurality of concrete-filled steel tube arch sections, described concrete-filled steel tube arch sections is divided into put more energy into two types of shape steel tube concrete arch sections or the inner plain edition concrete-filled steel tube arch sections that the PBL shear connector is not set that inside is provided with the PBL shear connector according to its stressing conditions of present position in main arch; Described plain edition concrete-filled steel tube arch sections comprises arch steel pipe two and the concrete interstitital texture two that is poured in the arch steel pipe two, the described shape steel tube concrete arch sections of putting more energy into comprises arch steel pipe one, is laid in a plurality of PBL shear connectors on arch steel pipe one inside wall and is poured in concrete interstitital texture one in the arch steel pipe one along axis direction, and described arch steel pipe two is all identical with the cross-sectional structure and the cross sectional dimensions of arch steel pipe one.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into is characterized in that: be fastenedly connected by many vertical connecting rods between the bridge deck structure of described main arch and its arch bridge of living in, and described vertical connecting rod is laid on the shape steel tube concrete arch sections of putting more energy into; Described arch steel pipe two is the load steel pipe of plain edition concrete-filled steel tube arch sections, and described arch steel pipe one is the load steel pipe of the shape steel tube concrete arch sections of putting more energy into, and is fastenedly connected with welding manner between the load steel pipe of adjacent two described concrete-filled steel tube arch sections or the load steel pipe processing and fabricating of a plurality of described concrete-filled steel tube arch sections is an one; And when the load steel pipe processing and fabricating of a plurality of described concrete-filled steel tube arch sections is one, have one or more construction operation holes one that are used to install the PBL shear connector on the arch steel pipe one in the described shape steel tube concrete arch sections of putting more energy into.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: described PBL shear connector is a stiffening rib steel plate, and has a plurality of through holes on the described stiffening rib steel plate.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into is characterized in that: set a plurality of described stiffening rib steel plate all is laid on the stress area of the shape steel tube concrete arch sections of putting more energy in the described shape steel tube concrete arch sections of putting more energy into.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: a plurality of described stiffening rib steel plate in the described shape steel tube concrete arch sections of putting more energy into is even laying, and a plurality of described stiffening rib steel plate is that line of symmetry carries out bilateral symmetry and lays with the longitudinal centre line of arch steel pipe one; A plurality of described stiffening rib steel plates all are laid in first zone of body, second zone of body or the whole body of arch steel pipe one in the described shape steel tube concrete arch sections of putting more energy into; The camber of a plurality of described stiffening rib steel plates is all consistent with the camber of the shape steel tube concrete arch sections of putting more energy into, and the end, front and back of described stiffening rib steel plate is all equal with the end, front and back of the shape steel tube concrete arch sections of putting more energy into neat.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: described stiffening rib steel plate is a strip steel plate, a plurality of described through holes are laid on the camber line that parallels with the central axis of described strip steel plate.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: a plurality of described through hole of being opened on the described stiffening rib steel plate is even laying.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: the spacing on the described stiffening rib steel plate between adjacent two through holes adjusts accordingly according to the put more energy into actual loading situation of shape steel tube concrete arch sections of its installation position place, the power that bear in described stiffening rib steel plate installation position place is big more, and the spacing between adjacent two through holes is more little.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: described stiffening rib steel plate is vertical laying with the inside wall of its installation position place arch steel pipe one.
The above-mentioned PBL shear connector shape steel tube concrete arch of putting more energy into is characterized in that: set being fastenedly connected of described stiffening rib steel plate is one in the adjacent and shape steel tube concrete arch sections of putting more energy into that is connected with each other in two positions; And on the arch steel pipe one of two shape steel tube concrete arch sections junctions of putting more energy into, have one or more being used for adjacent two the set stiffening rib steel plates of shape steel tube concrete arch sections of putting more energy into are fastenedly connected construction operation hole two into one.
The present invention compared with prior art has the following advantages:
1, simple structure, reasonable in design and construction sequence simple, realize conveniently, mechanical property is superior.
2, the laying mode of PBL shear connector is flexible, and result of use is good, double action with stiffening rib and connector, that is to say, described PBL shear connector is when putting more energy into to steel tube arch, also the connector that transmits as shearing between load steel pipe and the concrete interstitital texture makes that the stressed effect of whole main arch is better, and stress system is more perfect.
3, result of use is good, can effectively improve load steel pipe and the coefficient globality of concrete interstitital texture.
4, be provided with flexibly and input cost low, the construction period is short, can carry out part reinforcement to the node region a little less than the relative thin, also can strengthen completely main arch.
5, structural price ratio height has a good application prospect.
In sum, simple in structure, the reasonable in design and easy construction of the present invention, mechanical property are superior, construction quality is easy to control, engineering application price ratio height, the steel pipe and the concrete that can effectively solve present concrete filled steel tube arch structure existence come to nothing disease, application life than practical problems such as weak points, it can strengthen the stressed stability of steel tube arch tube wall, can improve bonding between steel tube arch and the concrete again and effectively transmit node reaction forces.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of institute's construction molding Deck Arch Bridges in the present invention's first specific embodiment.
Fig. 2 is the perspective view at the present invention first specific embodiment central post installation position place.
Fig. 3 is the internal construction schematic diagram of the shape steel tube concrete arch sections of putting more energy in the present invention's first specific embodiment.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the perspective view at the present invention second specific embodiment central post installation position place.
Fig. 6 is the internal construction schematic diagram of the shape steel tube concrete arch sections of putting more energy in the present invention's second specific embodiment.
Fig. 7 is the internal construction schematic diagram of the shape steel tube concrete arch sections of putting more energy in the present invention's the 3rd specific embodiment.
Fig. 8 is the internal construction schematic diagram of the shape steel tube concrete arch sections of putting more energy in the present invention's the 4th specific embodiment.
Fig. 9 is the internal construction schematic diagram of the shape steel tube concrete arch sections of putting more energy in the present invention's the 5th specific embodiment.
Figure 10 is the structural representation of institute's construction molding half-through arch bridge in the present invention's the 6th specific embodiment.
The internal construction schematic diagram of the shape steel tube concrete arch sections of putting more energy into that Figure 11 is installed for the present invention the 6th specific embodiment middle hanger top.
Description of reference numerals:
The 1-1-shape steel tube concrete 1-11-arch steel pipe one of putting more energy into; 1-12-concrete interstitital texture arch sections; One;
1-2-plain edition concrete filled steel tube 1-21-arch steel pipe two; 1-22-concrete interstitital texture arch sections; Two;
The 2-PBL shear connector; The 3-through hole; The 4-main arch;
The 5-bridge deck structure; The 6-column; The 7-suspension rod.
The specific embodiment
Embodiment 1
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the present invention includes the main arch 4 that is assemblied to form continuously by a plurality of concrete-filled steel tube arch sections, described concrete-filled steel tube arch sections is divided into put more energy into two types of shape steel tube concrete arch sections 1-1 or the inner plain edition concrete-filled steel tube arch sections 1-2 that PBL shear connector 2 is not set that inside is provided with PBL shear connector 2 according to the stressing conditions of its present position in main arch 4.Described plain edition concrete-filled steel tube arch sections 1-2 comprises arch steel pipe two 1-21 and is poured in interior concrete interstitital texture two 1-22 of arch steel pipe two 1-21, the described shape steel tube concrete arch sections 1-1 that puts more energy into comprises arch steel pipe one 1-11, is laid in a plurality of PBL shear connectors 2 on the arch steel pipe one 1-11 inside wall and is poured in concrete interstitital texture one 1-12 in arch steel pipe one 1-11 along axis direction, and described arch steel pipe two 1-21 are all identical with cross-sectional structure and the cross sectional dimensions of arch steel pipe one 1-11.That is to say that described arch steel pipe two 1-21 and arch steel pipe one 1-11 are the steel pipe of same model.In the practice of construction process, the axis of described main arch 4 is shaped as circular arc line arch or broken line arch.In the present embodiment, the axis of described main arch 4 is shaped as the circular arc line arch.Wherein, described PBL shear connector 2 is a Perfobond Strip shear connector, is specially perforate steel plate connector.
In the practice of construction, because concrete interstitital texture two 1-22 are the cast-in-place concrete structure of plain edition concrete-filled steel tube arch sections 1-2, and concrete interstitital texture one 1-12 is the cast-in-place concrete structure of shape steel tube concrete arch sections 1-1 of putting more energy into, and the cast-in-place concrete structure in then a plurality of described concrete-filled steel tube arch sections is built and is one.
During practice of construction, be fastenedly connected by many vertical connecting rods between the bridge deck structure 5 of described main arch 4 and its arch bridge of living in, and described vertical connecting rod is laid on the shape steel tube concrete arch sections 1-1 that puts more energy into.In the present embodiment, the arch bridge that adopts the present invention to build is Deck Arch Bridges (seeing Fig. 1 for details), thereby described bridge deck structure 5 is positioned at directly over the main arch 4, and bridge deck structure 5 is supported and fixed on described main arch 4 tops by many described vertical connecting rods, and described vertical connecting rod is a column 6.The cross section of described column 6 is square, circular, rectangle, ellipse or other polygon.
In the practice of construction process, at first according to conventional arch bridge mechanical analyzing method, stressing conditions to a plurality of described concrete-filled steel tube arch sections in the main arch 4 is analyzed: according to the force analysis result, each column 6 shearing that bear in the place, installation site on main arch 4 is bigger, specifically be to bear upper load, thereby the concrete-filled steel tube arch sections that column 6 bottoms are fixed is the shape steel tube concrete arch sections 1-1 (seeing Fig. 2 for details) that puts more energy into by 6 transfer shearing force of column.That is to say that the concrete-filled steel tube arch sections in the shearing delivery areas of main arch 4 central posts 6 is the shape steel tube concrete arch sections 1-1 that puts more energy into.
In the present embodiment, only will be in the interior concrete-filled steel tube arch sections of shearing delivery areas of column 6, specifically be the column 6 bottoms institute installed steel pipe concrete arch sections shape steel tube concrete arch sections 1-1 that is set to put more energy into only, other regional concrete-filled steel tube arch sections then all adopts plain edition concrete-filled steel tube arch sections 1-2.During practice of construction, also can column 6 bottoms institute installed position near and the bigger concrete-filled steel tube arch sections of the shearing that the bears shape steel tube concrete arch sections 1-1 that is set to put more energy into.
Because described arch steel pipe two 1-21 are all identical with cross-sectional structure and the cross sectional dimensions of arch steel pipe one 1-11, then arch steel pipe two 1-21 and arch steel pipe one 1-11 are the steel pipe of same model.In the present embodiment, described arch steel pipe two 1-21 are the load steel pipe of plain edition concrete-filled steel tube arch sections 1-2, and described arch steel pipe one 1-11 is the load steel pipe of shape steel tube concrete arch sections 1-1 of putting more energy into, and is fastenedly connected with welding manner between the load steel pipe of adjacent two described concrete-filled steel tube arch sections.In the practice of construction process, also can adopt other connected mode to be fastenedly connected between the load steel pipe of adjacent two described concrete-filled steel tube arch sections.Simultaneously, the load steel pipe of a plurality of described concrete-filled steel tube arch sections can processing and fabricating be an one also, and when the load steel pipe processing and fabricating of a plurality of described concrete-filled steel tube arch sections is one, have one or more construction operation holes one that are used to install PBL shear connector 2 on arch steel pipe one 1-11 among the described shape steel tube concrete arch sections 1-1 that puts more energy into.
In the present embodiment, described arch steel pipe two 1-21 and arch steel pipe one 1-11 are round steel pipe, the corresponding shape of cross section that forms main arch 4 is for circular, and the shape of cross section of described main arch 4 is corresponding with the shape of described arch steel pipe two 1-21 and arch steel pipe one 1-11.In the practice of construction process, described arch steel pipe two 1-21 and arch steel pipe one 1-11 also can adopt the steel pipe of rectangular steel pipe, rectangular steel tube and other structure, and the corresponding shape of cross section that forms main arch 4 is rectangle, square or other shape.
During practice of construction, the construction of described plain edition concrete-filled steel tube arch sections 1-2 is very easy, only needs construction concrete perfusion in arch steel pipe two 1-21 to get final product.And construct when putting more energy into shape steel tube concrete arch sections 1-1, key is to determine the quantity of its inner PBL shear connector 2 of laying and the structure and the installation position of each PBL shear connector 2.
In the present embodiment, described PBL shear connector 2 is a stiffening rib steel plate, and has a plurality of through holes 3 on the described stiffening rib steel plate.A plurality of described stiffening rib steel plate among the described shape steel tube concrete arch sections 1-1 that puts more energy into is even laying, and a plurality of described stiffening rib steel plate is that line of symmetry carries out bilateral symmetry and lays with the longitudinal centre line of arch steel pipe one 1-11.A plurality of described stiffening rib steel plates all are laid in first zone of body, second zone of body or the whole body of arch steel pipe one 1-11 among the described shape steel tube concrete arch sections 1-1 that puts more energy into.The camber of a plurality of described stiffening rib steel plates is all consistent with the camber of the shape steel tube concrete arch sections 1-1 that puts more energy into, and the end, front and back of described stiffening rib steel plate is all equal with the end, front and back of the shape steel tube concrete arch sections 1-1 that puts more energy into neat.
Actual when set a plurality of described stiffening rib steel plate is laid in the shape steel tube concrete arch sections 1-1 that respectively puts more energy into, set a plurality of described stiffening rib steel plate all is laid on the stress area of the shape steel tube concrete arch sections 1-1 that puts more energy into (specifically being that described vertical connecting rod is on the shearing delivery areas of shape steel tube concrete arch sections 1-1 of putting more energy into) in the described shape steel tube concrete arch sections 1-1 that puts more energy into.Thereby, when the shape steel tube concrete arch sections 1-1 that respectively puts more energy into lays a plurality of stiffening rib steel plate, specifically be to lay according to the actual loading situation of the shape steel tube concrete arch sections 1-1 that respectively puts more energy into.That is to say, before the laying, need the stressing conditions of the shape steel tube concrete arch sections 1-1 that respectively puts more energy into is analyzed.In the present embodiment, the width of set a plurality of described stiffening rib steel plates is all identical in the shape steel tube of the putting more energy into concrete arch sections 1.
In the present embodiment, in Deck Arch Bridges, because each column 6 all is laid in the top of the shape steel tube concrete arch sections 1-1 that respectively puts more energy into, thereby the shearing that first half branch bears among the shape steel tube concrete arch sections 1-1 that puts more energy into is bigger, be that the first half is stressed relatively large shearing delivery areas, then a plurality of described stiffening rib steel plates all are laid in first zone of body of arch steel pipe one 1-11 among the described shape steel tube concrete arch sections 1-1 that puts more energy into, and the quantity of set stiffening rib steel plate is 5 (seeing Fig. 3 for details) in the shape steel tube concrete arch sections 1-1 that puts more energy into.During practice of construction, also can in the whole body of arch steel pipe one 1-11, all evenly lay a plurality of stiffening rib steel plates.In addition, also can be according to concrete stressing conditions, quantity and size to the laying stiffening rib steel plate adjust accordingly, during actual the laying, the shearing that the shape steel tube of putting more energy into concrete arch sections 1-1 is born is big more, and the quantity of the stiffening rib steel plate of laying is big more, and the width of each stiffening rib steel plate is big more, the quantity in the hole of opening 3 is many more on the described stiffening rib steel plate, and vice versa.
Described stiffening rib steel plate is a strip steel plate, and a plurality of described through holes 3 are laid on the camber line that parallels with the central axis of described strip steel plate, and the structure of a plurality of described through holes 3 is all identical with size.In the present embodiment, a plurality of described through holes 3 are laid on the central axis of described strip steel plate, and the aperture that described through hole 3 is circular hole and a plurality of described through holes 3 is all identical, and the quantity of described through hole 3 is 9 (seeing Fig. 4 for details).During actual processing and fabricating, also through hole 3 can be set to trapezoidal, rectangle, ellipse or other polygon.
Actual when in arch steel pipe one 1-11, stiffening rib steel plate being installed, adopt welding manner or by on the fastening inside wall that is fixed on arch steel pipe one 1-11 of fixed connecting piece.In the present embodiment, described stiffening rib steel plate is weldingly fixed on the inside wall of arch steel pipe one 1-11.
In the present embodiment, a plurality of described through hole of being opened on the described stiffening rib steel plate 3 is even laying.Spacing on the described stiffening rib steel plate between adjacent two through holes 3 adjusts accordingly according to the put more energy into actual loading situation of shape steel tube concrete arch sections 1-1 of its installation position place, the power that bear in described stiffening rib steel plate installation position place is big more, spacing between adjacent two through holes 3 is more little, and vice versa.And during actual the laying, described stiffening rib steel plate is vertical laying with the inside wall of arch steel pipe one 1-11 of its installation position place.
Thereby, the present invention mainly comprises the steel tube arch that is assemblied to form by the load steel pipe, be laid in a plurality of PBL shear connectors 2 in the shape steel tube concrete arch sections 1-1 that puts more energy into, be filled in the load steel pipe and build for the concrete interstitital texture of one and be installed in described steel tube arch and bridge deck structure 5 between many vertical connecting rods, the cross section of described steel tube arch is circular arc arch or broken line arch for circular, rectangle or square and its axis line style; Described PBL shear connector 2 is the perforate stiffening rib steel plate that is arranged on the steel tube arch inwall, and its connector that transmits as shearing between load steel pipe and the concrete interstitital texture simultaneously; Described vertical connecting rod is column or the vertical bar of truss that is arranged on the steel tube arch.
In the practice of construction process, for making easy construction, shape steel tube concrete arch sections 1-1 also can all be set to all concrete-filled steel tube arch sections of forming main arch 4 put more energy into, and set PBL shear connector 2 all is fastenedly connected in the axial direction and is one in all shape steel tube concrete arch sections 1-1 that put more energy into, that is to say, PBL shear connector 2 both can be only be provided with in the shearing delivery areas of vertical connector, also can be along being provided with in the length range on the steel tube arch axis.
During practice of construction, for ease of construction operation in transportation, installation and the pipe of steel tube arch, at first steel tube arch is divided into some sections (the load steel pipe that promptly is divided into a plurality of sections), correspondence is divided into a plurality of concrete-filled steel tube arch sections with main arch 4; Afterwards, again according to the mechanical analysis result of the stressing conditions of each concrete-filled steel tube arch sections present position in main arch 4, a plurality of concrete-filled steel tube arch sections are divided into put more energy into two types of shape steel tube concrete arch sections 1-1 or the inner plain edition concrete-filled steel tube arch sections 1-2 that PBL shear connector 2 is not set that inside is provided with PBL shear connector 2, and the classification type of each concrete-filled steel tube arch sections is carried out mark.During actual fabrication main arch 4, make steel tube arch earlier, at first in arch steel pipe one 1-11 of shape steel tube concrete arch sections 1-1 that respectively puts more energy into, weld the stiffening rib steel plate that a plurality of tops have through hole 3, and finish the processing and fabricating of all load steel pipes, and after examination splicing check and proofreading and correct the making error of each sections load steel pipe in the steel tube arch, dock the load steel pipe of adjacent two sections in the erecting bed of steel tube arch, be assembled into the steel tube arch that inside has stiffening rib steel plate; At last, in the steel tube arch that assembling is finished, pour into fill concrete, and on the steel tube arch behind the concrete perfusion, vertical connecting rod is installed.
As shown in Figure 5 and Figure 6, in the present embodiment, as different from Example 1: described arch steel pipe two 1-21 and arch steel pipe one 1-11 are rectangular steel pipe, and the corresponding shape of cross section that forms main arch 4 is a rectangle; All lay a plurality of stiffening rib steel plates in the whole body of arch steel pipe one 1-11 among the described shape steel tube concrete arch sections 1-1 that puts more energy into; The quantity of set stiffening rib steel plate is 12 among the described shape steel tube concrete arch sections 1-1 that puts more energy into, 12 stiffening rib steel plates are laid on four inside walls of arch steel pipe one 1-11, are provided with 3 stiffening rib steel plates on each inside wall and 3 described stiffening rib steel plates are even laying.In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
As shown in Figure 7, in the present embodiment, as different from Example 1: a plurality of through holes 3 of being offered on the described stiffening rib steel plate are laid along the outer edge line of described stiffening rib steel plate, described through hole 3 be shaped as trapezoidal and its quantity is 6.In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
As shown in Figure 8, in the present embodiment, as different from Example 1: the column 6 bottoms institute installed steel pipe concrete arch sections shape steel tube concrete arch sections 1-1 that is set to put more energy into not only, and can be adjacent with column 6 bottoms institute installed steel pipe concrete arch sections and the bigger concrete-filled steel tube arch sections of the shearing that the bears shape steel tube concrete arch sections 1-1 that is set to put more energy into, other regional concrete-filled steel tube arch sections then all adopts plain edition concrete-filled steel tube arch sections 1-2.That is to say, with column 6 bottoms institute's installed steel pipe concrete arch sections and the one or more concrete-filled steel tube arch sections adjacent shape steel tube concrete arch sections 1-1 that all is set to put more energy into this concrete-filled steel tube arch sections left and right sides.Simultaneously, set being fastenedly connected of described stiffening rib steel plate is one among the adjacent and shape steel tube concrete arch sections 1-1 that puts more energy into that is connected with each other in two positions; And on arch steel pipe one 1-11 of two shape steel tube concrete arch sections 1-1 junctions of putting more energy into, have one or more being used for adjacent two the set stiffening rib steel plates of shape steel tube concrete arch sections 1-1 of putting more energy into are fastenedly connected construction operation hole two into one.
During practice of construction, if adjacent two concrete-filled steel tube arch sections are the shape steel tube concrete arch sections 1-1 that puts more energy into, then before the steel tube arch butt joint, can near the tube wall of the load steel pipe the two joint, offer one or more apertures (being construction operation hole two) that are used for construction operation earlier; After treating the load steel pipe butt joint among adjacent two shape steel tube concrete arch sections 1-1 that put more energy into, carry out the connection of stiffening rib steel plate in adjacent two shape steel tube concrete arch sections 1-1 that put more energy into again by this construction operation hole two, and stiffening rib steel plate connect finish after, to these construction operation hole two welding steels filled, shutoff; At last, in the steel tube arch that assembling is finished, pour into fill concrete, and on the steel tube arch behind the concrete perfusion, vertical connecting rod is installed.
In the present embodiment, the shape steel tube concrete arch sections 1-1 that puts more energy into that install column 6 bottoms is all identical with one or more put more energy into shape steel tube concrete arch sections 1-1s (abbreviation be arranged in the put more energy into shape steel tube concrete arch sections 1-1 of the adjacent side) quantity of lay stiffening rib steel plate and the installation position of each stiffening rib steel plate adjacent with this shape steel tube concrete arch sections 1-1 that puts more energy into, and the head and the tail of the shape steel tube concrete arch sections 1-1 that set all in adjacent two the shape steel tube concrete arch sections 1-1 that put more energy into can be put more energy into like this join successively and are fastenedly connected and are one.But, the quantity difference of the through hole of offering on the set stiffening rib steel plate in the shape steel tube of respectively the putting more energy into concrete arch sections 1-1 3, particularly: the spacing less (being specially 9) between more and adjacent two through holes 3 of the quantity in the hole of opening 3 on the stiffening rib steel plate of putting more energy in the shape steel tube concrete arch sections 1-1 is installed in column 6 bottoms, and the negligible amounts and the spacing between adjacent two through holes 3 in the hole of opening 3 are bigger on the interior stiffening rib steel plate of the shape steel tube concrete arch sections 1-1 that puts more energy into of adjacent side, this mainly is because the shearing maximum that the shape steel tube concrete arch sections 1-1 that puts more energy into is born is installed in column 6 bottoms, reduces gradually and be positioned at the shearing that the shape steel tube concrete arch sections 1-1 that puts more energy into of this shape steel tube concrete arch sections 1-1 left and right sides of putting more energy into born.In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
As shown in Figure 9, in the present embodiment, as different from Example 1: evenly lay a plurality of stiffening rib steel plates among the described shape steel tube concrete arch sections 1-1 that puts more energy in the whole body of arch steel pipe one 1-11, and the quantity of described stiffening rib steel plate is 8.In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
As shown in Figure 10 and Figure 11, the arch bridge that adopts the present invention to build is half-through arch bridge (seeing Figure 10 for details), thereby described bridge deck structure 5 is positioned at the middle part of main arch 4, described vertical connecting rod is column 6 or suspension rod 7, wherein between arch section above the bridge deck structure 5 and bridge deck structure 5, be fastenedly connected in the main arch 4, and between arch section below the bridge deck structure 5 and bridge deck structure 5, be fastenedly connected in the main arch 4 by column 6 by suspension rod 7.Correspondingly, according to the force analysis result, described column 6 bottoms institute's installed steel pipe concrete arch sections and suspension rod 7 tops institute installed steel pipe concrete arch sections all need bear bigger shearing, and shape steel tube concrete arch sections 1-1 all must be set to put more energy into.
In the present embodiment, among the shape steel tube concrete arch sections 1-1 that puts more energy into that install described column 6 bottoms, a plurality of described stiffening rib steel plates all are laid in first zone of body of arch steel pipe one 1-11 among the described shape steel tube concrete arch sections 1-1 that puts more energy into, in the practice of construction process, also can in the whole body of arch steel pipe one 1-11, lay a plurality of stiffening rib steel plates; And among the shape steel tube concrete arch sections 1-1 that puts more energy into that install at suspension rod 7 tops, a plurality of described stiffening rib steel plates all are laid in second zone of body interior (seeing Figure 11 for details) of arch steel pipe one 1-11 among the described shape steel tube concrete arch sections 1-1 that puts more energy into, in the practice of construction process, also can in the whole body of arch steel pipe one 1-11, lay a plurality of stiffening rib steel plates.In addition, during practice of construction, also can be adjacent with column 6 bottoms institute installed steel pipe concrete arch sections and the bigger concrete-filled steel tube arch sections of the shearing that the bears shape steel tube concrete arch sections 1-1 that is set to put more energy into, equally also can be adjacent with suspension rod 7 tops institute installed steel pipe concrete arch sections and the bigger concrete-filled steel tube arch sections of the shearing that the bears shape steel tube concrete arch sections 1-1 that is set to put more energy into.In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (10)
1. PBL shear connector shape steel tube concrete arch of putting more energy into, it is characterized in that: comprise the main arch (4) that is assemblied to form continuously by a plurality of concrete-filled steel tube arch sections, described concrete-filled steel tube arch sections is divided into two types of the plain edition concrete-filled steel tube arch sections (1-2) that put more energy into shape steel tube concrete arch sections (1-1) or inside that inside is provided with PBL shear connector (2) are not provided with PBL shear connector (2) according to the stressing conditions of its present position in main arch (4); Described plain edition concrete-filled steel tube arch sections (1-2) comprises arch steel pipe two (1-21) and is poured in the interior concrete interstitital texture two (1-22) of arch steel pipe two (1-21), the described shape steel tube concrete arch sections (1-1) of putting more energy into comprises arch steel pipe one (1-11), is laid in a plurality of PBL shear connectors (2) on arch steel pipe one (1-11) inside wall and is poured in the interior concrete interstitital texture one (1-12) of arch steel pipe one (1-11) along axis direction, and described arch steel pipe two (1-21) is all identical with the cross-sectional structure and the cross sectional dimensions of arch steel pipe one (1-11).
2. according to the described PBL shear connector of the claim 1 shape steel tube concrete arch of putting more energy into, it is characterized in that: be fastenedly connected by many vertical connecting rods between the bridge deck structure (5) of described main arch (4) and its arch bridge of living in, and described vertical connecting rod is laid on the shape steel tube concrete arch sections (1-1) of putting more energy into; Described arch steel pipe two (1-21) is the load steel pipe of plain edition concrete-filled steel tube arch sections (1-2), and described arch steel pipe one (1-11) is for putting more energy into the load steel pipe of shape steel tube concrete arch sections (1-1), is fastenedly connected with welding manner between the load steel pipe of adjacent two described concrete-filled steel tube arch sections or the load steel pipe processing and fabricating of a plurality of described concrete-filled steel tube arch sections is an one; And when the load steel pipe processing and fabricating of a plurality of described concrete-filled steel tube arch sections is one, have one or more construction operation holes one that are used to install PBL shear connector (2) on the arch steel pipe one (1-11) in the described shape steel tube concrete arch sections (1-1) of putting more energy into.
3. according to claim 1 or the 2 described PBL shear connectors shape steel tube concrete arch of putting more energy into, it is characterized in that: described PBL shear connector (2) is a stiffening rib steel plate, and has a plurality of through holes (3) on the described stiffening rib steel plate.
4. according to the described PBL shear connector of the claim 3 shape steel tube concrete arch of putting more energy into, it is characterized in that: set a plurality of described stiffening rib steel plate all is laid on the stress area of the shape steel tube concrete arch sections (1-1) of putting more energy in the described shape steel tube concrete arch sections (1-1) of putting more energy into.
5. according to the described PBL shear connector of the claim 4 shape steel tube concrete arch of putting more energy into, it is characterized in that: a plurality of described stiffening rib steel plate in the described shape steel tube concrete arch sections (1-1) of putting more energy into is even laying, and a plurality of described stiffening rib steel plate is that line of symmetry carries out bilateral symmetry and lays with the longitudinal centre line of arch steel pipe one (1-11); A plurality of described stiffening rib steel plates all are laid in first zone of body, second zone of body or the whole body of arch steel pipe one (1-11) in the described shape steel tube concrete arch sections (1-1) of putting more energy into; The camber of a plurality of described stiffening rib steel plates is all consistent with the camber of the shape steel tube concrete arch sections (1-1) of putting more energy into, and the end, front and back of described stiffening rib steel plate is all equal with the end, front and back of the shape steel tube concrete arch sections (1-1) of putting more energy into neat.
6. according to the described PBL shear connector of the claim 3 shape steel tube concrete arch of putting more energy into, it is characterized in that: described stiffening rib steel plate is a strip steel plate, and a plurality of described through holes (3) are laid on the camber line that parallels with the central axis of described strip steel plate.
7. according to the described PBL shear connector of the claim 6 shape steel tube concrete arch of putting more energy into, it is characterized in that: a plurality of described through hole of being opened on the described stiffening rib steel plate (3) is even laying.
8. according to the described PBL shear connector of the claim 7 shape steel tube concrete arch of putting more energy into, it is characterized in that: the spacing on the described stiffening rib steel plate between adjacent two through holes (3) adjusts accordingly according to the put more energy into actual loading situation of shape steel tube concrete arch sections (1-1) of its installation position place, the power that bear in described stiffening rib steel plate installation position place is big more, and the spacing between adjacent two through holes (3) is more little.
9. according to the described PBL shear connector of the claim 3 shape steel tube concrete arch of putting more energy into, it is characterized in that: described stiffening rib steel plate is vertical laying with the inside wall of its installation position place arch steel pipe one (1-11).
10. according to the described PBL shear connector of the claim 3 shape steel tube concrete arch of putting more energy into, it is characterized in that: set being fastenedly connected of described stiffening rib steel plate is one in the adjacent and shape steel tube concrete arch sections (1-1) of putting more energy into that is connected with each other in two positions; And on the arch steel pipe one (1-11) of two shape steel tube concrete arch sections (1-1) junctions of putting more energy into, have one or more being used for adjacent two the set stiffening rib steel plates of shape steel tube concrete arch sections (1-1) of putting more energy into are fastenedly connected construction operation hole two into one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110078991 CN102094386A (en) | 2011-03-30 | 2011-03-30 | PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110078991 CN102094386A (en) | 2011-03-30 | 2011-03-30 | PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch |
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| CN 201110078991 Pending CN102094386A (en) | 2011-03-30 | 2011-03-30 | PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979180A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (steel-tube concrete structure) with built-in shear nails |
| CN102979251A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (structure cabling system) encased structure based on PBL (planetary boundary layer) stiffening ribs |
| CN106835933A (en) * | 2016-12-21 | 2017-06-13 | 广州大学 | A kind of CFST Arch Bridge column is constructed with arch rib nodes |
| CN107227682A (en) * | 2017-07-20 | 2017-10-03 | 长安大学 | A kind of PBL puts more energy into type flat steel case concrete plate arch and its construction method |
| CN107254835A (en) * | 2017-08-03 | 2017-10-17 | 四川交通职业技术学院 | The connecting structure and its construction method of a kind of overall pier beam build-in |
| CN107806018A (en) * | 2017-10-31 | 2018-03-16 | 信阳师范学院 | For rushing to repair the rapidly-assembled small span arch bridge and construction technology of rush construction |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201089880Y (en) * | 2007-09-21 | 2008-07-23 | 四川省交通厅公路规划勘察设计研究院 | Arch rib structure of arched bridge |
| CN101245610A (en) * | 2008-03-18 | 2008-08-20 | 重庆交通大学 | Reinforced concrete structure with steel plate reinforcement layer set on partial surface |
| CN101311414A (en) * | 2007-05-26 | 2008-11-26 | 重庆交通大学 | Vertical rotation steel-concrete combination arch bridge |
| CN202000248U (en) * | 2011-03-30 | 2011-10-05 | 长安大学 | Reinforced steel tube concrete arch with PBL shear connectors |
-
2011
- 2011-03-30 CN CN 201110078991 patent/CN102094386A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311414A (en) * | 2007-05-26 | 2008-11-26 | 重庆交通大学 | Vertical rotation steel-concrete combination arch bridge |
| CN201089880Y (en) * | 2007-09-21 | 2008-07-23 | 四川省交通厅公路规划勘察设计研究院 | Arch rib structure of arched bridge |
| CN101245610A (en) * | 2008-03-18 | 2008-08-20 | 重庆交通大学 | Reinforced concrete structure with steel plate reinforcement layer set on partial surface |
| CN202000248U (en) * | 2011-03-30 | 2011-10-05 | 长安大学 | Reinforced steel tube concrete arch with PBL shear connectors |
Non-Patent Citations (1)
| Title |
|---|
| 《钢结构》 20070228 胡建华,蒲怀仁 PBL剪力键钢混结合段设计与试验研究 第22卷, 第2期 2 * |
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|---|---|---|---|---|
| CN102979180A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (steel-tube concrete structure) with built-in shear nails |
| CN102979251A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (structure cabling system) encased structure based on PBL (planetary boundary layer) stiffening ribs |
| CN102979251B (en) * | 2012-12-27 | 2015-09-02 | 长安大学 | A kind of SCS encased structures based on PBL stiffening rib |
| CN106835933B (en) * | 2016-12-21 | 2019-05-03 | 广州大学 | A kind of CFST Arch Bridge column and arch rib nodes construct |
| CN106835933A (en) * | 2016-12-21 | 2017-06-13 | 广州大学 | A kind of CFST Arch Bridge column is constructed with arch rib nodes |
| CN107227682A (en) * | 2017-07-20 | 2017-10-03 | 长安大学 | A kind of PBL puts more energy into type flat steel case concrete plate arch and its construction method |
| CN107227682B (en) * | 2017-07-20 | 2023-11-07 | 长安大学 | PBL stiffening type flat steel box concrete slab arch and construction method thereof |
| CN107254835A (en) * | 2017-08-03 | 2017-10-17 | 四川交通职业技术学院 | The connecting structure and its construction method of a kind of overall pier beam build-in |
| CN107254835B (en) * | 2017-08-03 | 2023-06-02 | 四川交通职业技术学院 | Integral pier beam embedded connection structure and construction method thereof |
| CN107806018A (en) * | 2017-10-31 | 2018-03-16 | 信阳师范学院 | For rushing to repair the rapidly-assembled small span arch bridge and construction technology of rush construction |
| CN107806018B (en) * | 2017-10-31 | 2019-01-22 | 信阳师范学院 | For repairing the rapidly-assembled small span arch bridge and construction technology of rush construction |
| CN108914952A (en) * | 2018-07-27 | 2018-11-30 | 中交二公局第四工程有限公司 | A kind of earth-retaining wall construction method with friction pile for landslide control |
| CN114875769A (en) * | 2021-07-22 | 2022-08-09 | 长沙理工大学 | Prefabricated hollow sandwich concrete-filled steel tube arch bridge and construction method thereof |
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Application publication date: 20110615 |