CN113186823B - Steel box-steel pipe lattice type concrete combined bridge tower - Google Patents

Steel box-steel pipe lattice type concrete combined bridge tower Download PDF

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Publication number
CN113186823B
CN113186823B CN202110553576.0A CN202110553576A CN113186823B CN 113186823 B CN113186823 B CN 113186823B CN 202110553576 A CN202110553576 A CN 202110553576A CN 113186823 B CN113186823 B CN 113186823B
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steel
concrete
box
steel tube
steel box
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CN113186823A (en
Inventor
万田保
邹敏勇
李林
刘科峰
杨光武
郑亚鹏
刘杰
汪威
王东绪
刘奇顺
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China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
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China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/14Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

Abstract

The invention relates to a steel box-steel tube lattice type concrete combined bridge tower, which comprises: at least two pylons, two the pylon passes through first steel case and connects, wherein, every the pylon includes: the concrete-filled steel tube column comprises at least three steel tube-concrete columns, wherein each steel tube-concrete column comprises a steel tube and concrete poured in the steel tube; and two adjacent steel pipe-concrete columns are connected through a vertical inclined strut and a horizontal strut. The steel pipe-concrete column is used, the steel pipe is combined with concrete, the bridge tower can be prevented from being aged and cracked, the adaptability to mountainous areas, particularly plateau areas, is strong, meanwhile, due to the fact that the inclined struts and the horizontal struts are arranged to be connected, construction efficiency is high, economical efficiency is good, and requirements on transportation and hoisting equipment are not high.

Description

Steel box-steel pipe lattice type concrete combined bridge tower
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a steel box-steel pipe lattice type concrete combined bridge tower.
Background
The bridge tower is a structure which bears the dead load and live load of an upper structure on the tower top, the support bearing reaction force at a cross beam and certain wind and temperature load.
At present, the domestic bridge towers mainly comprise concrete bridge towers (representing engineering: Nanjing Xian New road river-crossing channel, Wuhan Sixu hong river bridge), steel bridge towers (representing engineering: American Jinmen bridge), and the like.
In the related technology, the concrete bridge tower usually adopts a construction method of erecting a template and pouring concrete on site, the process is mature, and the manufacturing cost is economic. But in plateau areas, the humidity is low, the ultraviolet ray is strong, the temperature difference between day and night is large, the conventional concrete structure is easy to age and crack, the durability is insufficient, and the later maintenance is difficult;
steel structure pylons are usually made in factories, welded on site or bolted, and can significantly reduce construction periods when large-segment prefabricated installations are adopted, but have higher requirements on transportation and construction sites and are expensive compared with concrete pylons.
Therefore, there is a need to design a steel box-steel tube lattice type concrete combined bridge tower to overcome the above problems.
Disclosure of Invention
The embodiment of the invention provides a steel box-steel pipe lattice type concrete combined bridge tower, which aims to solve the problems that the concrete bridge tower in the related technology is easy to age and crack, the durability is insufficient, the steel structure bridge tower has high requirements on transportation and construction sites, and the manufacturing cost is high.
In a first aspect, a steel box-steel tube lattice concrete combined bridge tower is provided, which includes:
at least two pylons, two the pylon passes through first steel case and connects, wherein, every the pylon includes:
the concrete-filled steel tube column comprises at least three steel tube-concrete columns, wherein each steel tube-concrete column comprises a steel tube and concrete poured in the steel tube;
and two adjacent steel pipe-concrete columns are connected through a vertical inclined strut and a horizontal strut.
In some embodiments, the tower further comprises a second steel box secured to the steel tubular-concrete column;
and the tower column is connected with the first steel box through the second steel box.
In some embodiments, the second steel boxes on the two towers are symmetrically arranged, and the extending direction of the second steel boxes is the same as that of the steel pipe-concrete column.
In some embodiments, the second steel box comprises an inner cavity surrounded by the first stiffening plates and a diaphragm plate arranged in the inner cavity, and concrete is poured in the inner cavity.
In some embodiments, the first steel box comprises:
the web plate is connected with the first stiffening plate;
and the top plate is fixedly arranged at the top of the web plate, the bottom plate is fixedly arranged at the bottom of the web plate, and the top plate and the bottom plate are connected with the diaphragm plate.
In some embodiments, the steel tube-concrete column is mounted to a box corner of the second steel box;
the first stiffening plate enters the steel pipe, extends from one entering side of the first stiffening plate to the other side of the steel pipe, and is fixed with the steel pipe.
In some embodiments, the adjacent first stiffening plates on the second steel box intersect at the position of the center of the same steel pipe, so that the first stiffening plates divide the steel pipe-concrete column into 4 parts.
In some embodiments, the inclined struts are in a cross shape, and a plurality of the inclined struts connected end to end are arranged between two adjacent steel pipe-concrete columns;
the horizontal support is also in a cross shape, and the steel pipe-concrete column is fixedly arranged at the end part of the horizontal support.
In some embodiments, the distance between two of the towers gradually increases from top to bottom, and the first steel boxes are arranged at intervals along the height direction of the tower.
In some embodiments, a second stiffening plate is arranged in the steel tube-concrete column, and the second stiffening plate is connected with the inclined strut;
and a partition plate is arranged in the steel tube-concrete column and is connected with the horizontal support.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a steel box-steel tube lattice type concrete combined bridge tower, wherein a steel tube and a concrete column are used for combining a steel tube and the concrete, so that the bridge tower can be prevented from aging and cracking, the adaptability to mountainous areas, particularly plateau areas, is strong, and meanwhile, as the inclined struts and the horizontal struts are arranged for connecting the bridge tower, the construction efficiency is high, the economical efficiency is good, and the requirements on transportation and hoisting equipment are not high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a steel box-steel tube lattice concrete combined bridge tower provided in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of any one of B-B in FIG. 1;
FIG. 4 is a schematic cross-sectional view of any one of C-C in FIG. 1.
In the figure:
1. a steel tube-concrete column; 11. a second stiffener plate; 2. bracing; 3. horizontally supporting; 4. a second steel box; 41. a first stiffener plate; 5. a first steel box; 51. a web; 52. a top plate; 53. a base plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides a steel box-steel tube lattice type concrete combined bridge tower, which can solve the problems that a concrete bridge tower is easy to age and crack, the durability is insufficient, the steel structure bridge tower has high requirements on transportation and construction sites, and the manufacturing cost is high in the related technology by using a steel tube-concrete column and a tower column combining a horizontal support and an inclined support.
Referring to fig. 1, a steel box-steel pipe lattice type concrete combined bridge tower provided for an embodiment of the present invention may include: the tower comprises at least two towers, wherein the two towers are connected through a first steel box 5, in the embodiment, the two towers are arranged oppositely, the first steel box 5 is arranged between the two towers, one end of the first steel box 5 is connected with one tower, and the other end of the first steel box 5 is connected with the other tower; each of the towers may include: the concrete-filled steel tube column comprises at least three steel tube-concrete columns 1, wherein each steel tube-concrete column 1 comprises a steel tube and concrete poured in the steel tube; in the embodiment, the concrete poured in the steel pipe can be high-performance compensation shrinkage concrete, and because the concrete is in a multidirectional compression state, the brittle failure of the concrete is avoided, the ductility of the concrete is increased, and the bearing capacity of the concrete is improved; in this embodiment, the steel pipe can play the effect of connecting bracing, horizontal brace and steel case to form the bridge tower main part, the steel pipe is cylindrical, in other embodiments, can design the steel pipe for square or other shapes according to actual conditions, wherein, can set up members such as stiffening rib, shear force nail and reinforcing bar in the steel pipe for steel pipe-concrete column 1 is more firm.
Referring to fig. 1 and 2, two adjacent steel tube-concrete columns 1 may be connected by a vertical bracing 2 and a horizontal bracing 3, specifically, in this embodiment, three steel tube-concrete columns may be arranged vertically in parallel, the bracing is obliquely arranged between two adjacent steel tube-concrete columns in a vertical plane, so that the bracing limits the steel tube-concrete columns in the vertical direction and the horizontal direction, thereby improving the bending resistance of the steel tube-concrete columns, and the horizontal bracing is arranged between steel tubes opposite in direction in a horizontal plane, that is, one end of the horizontal bracing is connected to the steel tube on one side, and the other end is connected to the steel tube on the other side, so that the horizontal bracing limits the steel tube-concrete columns in the horizontal direction, thereby improving the torsional rigidity of the steel tube-concrete columns; in other embodiments, the three steel tube-concrete columns may also be in an inclined state approaching each other, wherein the inclined strut 2 and the horizontal strut 3 comprise steel plates and angle steel, and may have an H-shaped cross section, a rectangular cross section or a circular cross section, which is convenient for processing.
Referring to fig. 1 and 3, further, the tower column may further include a second steel box 4, and the second steel box 4 is fixed to the steel tube-concrete column 1, in this embodiment, the combination form of the second steel box 4 and the steel tube-concrete column 1, and the combination form of the inclined strut 2 and the horizontal strut 3 and the steel tube-concrete column 1 may be freely switched, and the smooth transmission of the axial force is ensured by the connection of the steel tube-concrete column 1; the second steel box 4 can be arranged at the bottom of the tower, or at the position where the tower column is connected with the first steel box 5, or at the top of the suspension bridge or the position where the stay cable of the cable-stayed bridge is tensioned and the like with complex stress, so that the continuity of force transmission of the steel pipe is ensured, and the requirements of large axial force and bending moment borne by the position are easily met; the tower column passes through second steel box 4 with first steel box 5 is connected, and in this embodiment, this kind of connected mode has reduced the degree of difficulty of being connected of steel pipe and steel box, and wherein, the cross sectional shape of second steel box 4 can be square, also can be circular or polygon, and first steel box 5 can be connected with the end connection of second steel box 4, also can be connected with the middle part of second steel box 4.
Referring to fig. 3, in some embodiments, the second steel box 4 includes an inner cavity surrounded by the first stiffening plate 41 and a transverse partition plate disposed in the inner cavity, in this embodiment, the inner side of the first stiffening plate 41 is provided with a plurality of stiffening ribs to increase the stability of the steel box, the edge of the transverse partition plate is welded on the inner side of the first stiffening plate 41, and the transverse partition plate is sequentially and horizontally disposed from top to bottom at intervals, by disposing the horizontal transverse partition plate, the torsion resistance and integrity of the second steel box 4 are increased, and at the same time, the transverse partition plate is easily connected to the first steel box 5, the internal force of the support and the first steel box 5 can be transmitted to the combined structure of the second steel box 4 and the steel pipes, the force transmission path is clear, and in actual use, concrete can be poured into the second steel box 4 at the bottom of the tower, the top of the tower, and other required positions, the huge axial force of the bridge tower can be uniformly transmitted to the lower structure, the stress level of the concrete in the steel tube-concrete column 1 is reduced, and the safety of the structure is improved.
As shown in fig. 1, further, the second steel boxes 4 on the two towers may be symmetrically arranged, in this embodiment, the second steel boxes 4 on the two towers may be the same length or different lengths, the second steel boxes 4 on the two towers may be on the same horizontal line or different horizontal lines, and two ends of the first steel box 5 may be connected to the same position of the second steel boxes 4 on the two sides, or connected to different positions of the second steel boxes 4 on the two sides; the extending direction of the second steel box 4 may be the same as the extending direction of the steel pipe-concrete column 1, in this embodiment, the second steel box 4 and the steel pipe-concrete column 1 receive a shearing force with a uniform magnitude from the first steel box 5, so that the problem of the second steel box 4 that the inner steel pipe-concrete column 1 is stressed greatly is avoided.
Referring to fig. 3, in some embodiments, the first steel box 5 comprises: a web 51, wherein the web 51 is connected with the first stiffener plate 41; and a top plate 52 fixedly arranged at the top of the web plate 51, and a bottom plate 53 fixedly arranged at the bottom of the web plate 51, wherein the top plate 52 and the bottom plate 53 are connected with the diaphragm plate. In this embodiment, the top plate 52 and the bottom plate 53 may extend to the inside of the second steel box 4 through the side surface of the second steel box 4 and are connected to the inside diaphragm plate, both ends of the first steel box 5 may be fixedly connected to the side surface of the second steel box 4, or may be all fixedly connected, wherein the first steel box 5 may be horizontally disposed between two towers, or may be disposed at any angle, the first steel box 5 and the second steel box 4 may be perpendicular to each other, or may be connected at any angle, the towers and the first steel box 5 may form an integral frame to bear force together, the structure is simple, and the force transmission path is clear.
Referring to fig. 3, in some alternative embodiments, the steel core-concrete column 1 may be mounted at the corner of the second steel box 4; in this embodiment, the steel tube-concrete column 1 may be installed at 3 box corners of the second steel box 4, or at 4 box corners, the steel tube-concrete column 1 may be perpendicular to the second steel box 4, or may be at other angles, and the combined structure of the steel tube-concrete column 1 and the second steel box 4 may bear the axial force and the bending moment together; the first stiffening plate 41 of the second steel box 4 enters the steel pipe, and the first stiffening plate 41 extends from the entering side to the other side of the steel pipe to be fixed with the steel pipe. The adjacent first stiffening plates 41 on the second steel box 4 may intersect at the center of the same steel pipe, so that the first stiffening plates 41 equally divide the steel pipe-concrete column 1 into 4 parts, in this embodiment, the box corners of the second steel box 4 intersect inside the steel pipe-concrete column 1 and extend to the other side of the steel pipe, that is, the first stiffening plates 41 in the steel pipe are in a cross shape, and the first stiffening plates 41 of the second steel box 4 and the steel pipe-concrete column 1 are tightly combined by being embedded into each other, so that the tower column is more stable and reliable, and the stress is more uniform.
Referring to fig. 1 and 2, the inclined struts 2 are cross-shaped, and a plurality of inclined struts 2 connected end to end may be arranged between two adjacent steel pipe-concrete columns 1; the horizontal brace 3 is also in a cross shape, the steel tube-concrete column 1 is fixedly arranged at the end part of the horizontal brace 3, in this embodiment, the inclined brace 2 and the horizontal brace 3 can be in a Y shape, an X shape, a cross shape similar to a Chinese character 'mi', and the like, the inclined brace 2 is sequentially connected along the extending direction of the steel tube-concrete column 1, the horizontal brace 3 is arranged at intervals of height in the horizontal direction, that is, the inclined brace 2 and the horizontal brace 3 jointly connect the adjacent steel tube-concrete column 1 into a whole, the steel tube-concrete column 1 bears most of axial force, and the inclined brace 2 and the horizontal brace 3 provide stability.
Referring to fig. 1, in some alternative embodiments, the distance between two towers may be gradually increased from top to bottom, and a plurality of first steel boxes 5 are arranged at intervals along the height direction of the towers, in this embodiment, the plurality of first steel boxes 5 may be parallel to each other or may be at different angles, the length of the first steel box 5 varies with the distance between two towers, wherein the cross section of the first steel box 5 may be square, circular or polygonal, the inside of the first steel box 5 is hollow, so as to facilitate maintenance, further, the inner side of the first steel box 5 is provided with a plurality of stiffening ribs, so as to increase the stability of the steel box, and the first steel box 5 may bear the bending moment of the bridge tower, including loads such as vertical force transmitted by cars and trains, and horizontal force transmitted by dampers and anti-seismic stops.
Referring to fig. 2, further, a second stiffening plate 11 and a partition plate are arranged in the steel tube-concrete column 1, and the second stiffening plate 11 is connected with the inclined strut 2; and a partition plate is arranged in the steel tube-concrete column 1 and is connected with the horizontal support 3. In this embodiment, the second stiffening plate 11 is disposed on the inner side of the steel tube-concrete column 1 corresponding to the inclined strut 2, the partition plate is disposed on the inner side of the steel tube-concrete column 1 corresponding to the horizontal strut 3, and the inclined strut 2 and the horizontal strut 3 extend into the steel tube-concrete column 1 and are respectively connected with the second stiffening plate 11 and the partition plate, so as to ensure the connection reliability and the local stability of the steel tube.
Furthermore, before construction, steel structures can be prefabricated in a factory, the steel pipes are vertically divided into different sections, the steel box is horizontally and vertically divided into different sections, the steel box and the steel pipes are welded and connected in the factory, and inclined struts and horizontal struts are manufactured, so that all the steel structures are prefabricated parts, batch production is realized in the factory, the prefabrication precision is high, and the structure quality can be guaranteed; the steel pipe and the second steel box 4 are always connected into a whole in the transportation process, the steel pipe is prefabricated in a factory, is transported and installed in sections and serves as a concrete template, and concrete is delivered into the steel pipe through an externally attached concrete pump to form a steel pipe-concrete column 1; and at a construction site, the prefabricated steel structural members are connected by welding or bolts, and the prefabricated steel structural members comprise the steel pipes, the steel boxes, the inclined struts and the steel pipes, and the horizontal struts and the steel pipes. The prefabricated components are convenient to connect, the field construction process is less, the construction precision and the construction quality are greatly improved, and compared with a concrete bridge tower, a large number of supports and templates are required to be erected, and the workload of binding steel bars on the field is large.
The principle of the steel box-steel pipe lattice type concrete combined bridge tower provided by the embodiment of the invention is as follows:
the steel pipe-concrete column 1 is mainly used for bearing pressure, provides support for the wall of the steel pipe due to the existence of the filled concrete, effectively avoids or delays the local buckling of the steel pipe, fully utilizes the material performance of steel products, has the same inertia moment and bearing capacity of a single steel pipe-concrete structure in each direction, and has strong adaptability to acting force in random directions such as earthquake, wind and the like; a plurality of steel pipes can be connected into a whole through the inclined strut 2, the bending resistance of the section of the tower column is improved, the tower column is used for resisting the effects of automobiles, trains, wind, earthquakes and the like, and the torsional rigidity of the concrete filled steel pipe tower column can be improved through the horizontal strut 3; the combined structure of the second steel box 4 and the steel tube-concrete column 1 not only ensures the continuity of force transmission of the steel tube, but also greatly improves the compression area, the bending resistance moment of inertia, the torsion resistance moment of inertia and the integrity of the steel box structure compared with a single steel tube structure, and is easy to meet the requirements of larger axial force and bending moment born by the position; the tower column and the first steel box 5 can form an integral frame to bear force together.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a steel case-steel pipe lattice formula concrete combination bridge tower which characterized in that, it includes:
at least two tower posts, two the tower post is connected through first steel case (5), wherein, every the tower post includes:
-at least three columns of steel tube-concrete (1), said columns of steel tube-concrete (1) comprising steel tubes and concrete cast inside said steel tubes;
-two adjacent steel tube-concrete columns (1) are connected by vertical diagonal braces (2) and horizontal braces (3);
-a second steel box (4) comprising an inner cavity surrounded by first stiffening plates (41) and a diaphragm plate arranged in the inner cavity, the second steel box (4) being fixed to the steel tube-concrete column (1), the column being connected to the first steel box (5) via the second steel box (4);
the first steel box (5) comprises:
-a web (51), said web (51) being connected with said first stiffener plate (41);
-and a top plate (52) fixed to the top of the web (51), a bottom plate (53) fixed to the bottom of the web (51), the top plate (52) and the bottom plate (53) being connected to the diaphragm.
2. The steel box-steel tube lattice concrete combined bridge tower as claimed in claim 1, wherein:
the second steel boxes (4) on the two tower columns are symmetrically arranged, and the extending direction of the second steel boxes (4) is the same as that of the steel tube-concrete column (1).
3. The steel box-steel tube lattice concrete combined bridge tower as claimed in claim 1, wherein:
the steel tube-concrete column (1) is arranged at a box corner of the second steel box (4);
the first stiffening plate (41) enters the steel pipe, and the first stiffening plate (41) extends from one entering side to the other side of the steel pipe and is fixed with the steel pipe.
4. The steel box-steel pipe lattice type concrete composite bridge tower as claimed in claim 1, wherein:
the adjacent first stiffening plates (41) on the second steel box (4) are intersected at the position of the circle center of the same steel pipe, so that the first stiffening plates (41) divide the steel pipe-concrete column (1) into 4 parts.
5. The steel box-steel tube lattice concrete combined bridge tower as claimed in claim 1, wherein:
the inclined struts (2) are in a cross shape, and a plurality of the inclined struts (2) which are connected end to end are arranged between every two adjacent steel pipe-concrete columns (1);
the horizontal support (3) is also in a cross shape, and the steel tube-concrete column (1) is fixedly arranged at the end part of the horizontal support (3).
6. The steel box-steel tube lattice concrete combined bridge tower as claimed in claim 1, wherein:
two interval between the pylon gradually increases from top to bottom, and is a plurality of first steel box (5) are followed the direction of height interval of pylon sets up.
7. The steel box-steel tube lattice concrete combined bridge tower as claimed in claim 1, wherein:
a second stiffening plate (11) is arranged in the steel tube-concrete column (1), and the second stiffening plate (11) is connected with the inclined strut (2);
and a partition plate is arranged in the steel tube-concrete column (1) and is connected with the horizontal support (3).
CN202110553576.0A 2021-05-20 2021-05-20 Steel box-steel pipe lattice type concrete combined bridge tower Active CN113186823B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202110553576.0A CN113186823B (en) 2021-05-20 2021-05-20 Steel box-steel pipe lattice type concrete combined bridge tower

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CN113186823B true CN113186823B (en) 2022-05-17

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203403358U (en) * 2013-05-23 2014-01-22 中铁第一勘察设计院集团有限公司 Latticed bridge tower of concrete filled steel pipe
CN207391960U (en) * 2017-10-16 2018-05-22 中铁第四勘察设计院集团有限公司 A kind of suspension type monorail traffic support construction based on concrete filled steel tube lattice column
CN108004908A (en) * 2018-01-26 2018-05-08 西安市政设计研究院有限公司 A kind of lattice-type steel truss pylon cable-stayed bridge
JP6763010B2 (en) * 2018-12-27 2020-09-30 セントラルコンサルタント株式会社 Cable-stayed bridge and how to build a cable-stayed bridge
CN110670483A (en) * 2019-11-15 2020-01-10 四川省公路规划勘察设计研究院有限公司 Steel pipe concrete combined main tower
CN211772853U (en) * 2020-01-06 2020-10-27 南京工程学院 Assembled suspension bridge tower

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