CN117758609A - Variable wall thickness tower connecting structure of framing bridge and construction method - Google Patents
Variable wall thickness tower connecting structure of framing bridge and construction method Download PDFInfo
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- CN117758609A CN117758609A CN202311857614.7A CN202311857614A CN117758609A CN 117758609 A CN117758609 A CN 117758609A CN 202311857614 A CN202311857614 A CN 202311857614A CN 117758609 A CN117758609 A CN 117758609A
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Abstract
The invention relates to a variable wall thickness tower connecting structure of a framing bridge and a construction method thereof, comprising a connecting beam, an inner tower column, two outer tower columns and a bearing platform foundation, wherein the inner tower column is connected to the middle part of the connecting beam and divides the connecting beam into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beams so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge; the bearing platform foundation is connected to the bottom of the inner tower column and the outer tower column. The invention has the beneficial effects that: the connecting beam is divided into a left bridge area and a right bridge area by utilizing the inner tower column, the outer tower column is respectively arranged at the left side and the right side of the inner tower column, so that the bridge areas between the outer bridge tower and the inner bridge tower form a framing bridge, and the space for constructing the framing bridge is effectively saved.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a variable wall thickness tower connecting structure of a framing bridge and a construction method.
Background
In the past, because the traffic mode is single, the trip is generally by public transportation, and the bridge floor only needs to set up single lane can. Such as specially configured rails for train traffic or specially configured highways for vehicles to pass. At present, with the continuous improvement of the economic level, people travel and select more and more modes, for example: high speed rail, train, light rail, subway or domestic car. This makes the bridge take on various roles, but is limited by the construction technology of the bridge at that time, and the bridge does not play a critical role.
Along with the rapid development of highway construction in China, bridge construction as an important component of highway construction is rapidly developed, common roads and high-grade roads are provided with medium-grade bridges, small-grade bridges, overpasses and the like in various forms, and along with the rapid development of foundation construction level in China, the quality of highway bridge construction is continuously improved. The combination of some places suitable for bridge repairing is not a sufficient practical situation, so that the public bridge of the highway and the railway and the double-deck bridge of the driving are more and more. The framing bridge can sometimes become the optimal choice or even the unique choice by combining the design of the overall trend of the line, in particular to the requirements of the line plane and the vertical section on the minimum slope length, the maximum slope, the minimum curve radius and the like.
However, when a cable-stayed bridge or a suspension bridge scheme is required for a large span, the pylon arrangement of the framing bridge becomes a control factor. Building a single pylon can oversized the pylon, resulting in a weaker bridge carrying capacity. The construction of a plurality of independent bridge towers requires increased occupied area and engineering budget, and the problems that the occupied area is overlarge and the engineering budget is overlarge exist, and even if adjacent independent bridge towers are abutted together, the space between the tower columns and the tower columns of the two independent bridge towers still occupy space.
Therefore, it is necessary to provide a variable wall thickness tower connecting structure of a framing bridge and a construction method thereof for solving the above technical problems.
Disclosure of Invention
The embodiment of the invention provides a variable wall thickness combined tower structure of a framing bridge and a construction method, which can solve the problem that in the related art, in order to realize a plurality of framing bridges, a plurality of independent bridge towers are required to be built, and even if adjacent independent bridge towers are abutted together, space between the tower columns and the tower columns of two independent bridge towers still occupy space.
On one hand, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge,
a connecting beam;
the inner tower column is connected to the middle part of the connecting beam and divides the connecting beam into a left bridge area and a right bridge area;
the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beams so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge;
and the bearing platform foundation is connected to the bottoms of the inner tower column and the outer tower column.
Further, the inner tower columns comprise two upper inner tower columns which are respectively arranged in the left bridge area and the right bridge area, and each upper inner tower column is obliquely arranged in the bridge area from bottom to top to the inner side;
the outside tower post includes two and goes up outside tower post, two go up outside tower post locates respectively about in two bridge areas, and two go up outside tower post all is in its bridge area by supreme inboard slope setting down.
Further, both of the upper inner tower columns are connected to the upper outer tower column in the bridge area thereof.
Further, a reinforcing cross beam is connected between the two upper inner tower columns and the upper outer tower columns in the bridge area.
Further, the bridge further comprises a first connecting entity, one end of the first connecting entity is connected with the connecting cross beam, and the other end of the first connecting entity is connected with the two upper inner side tower columns in the two bridge areas.
Further, the inner tower columns further comprise two lower inner tower columns, the two lower inner tower columns are respectively arranged in the left bridge area and the right bridge area, and each lower inner tower column is obliquely arranged from top to bottom to outside in the bridge area;
the outside tower post includes two outside tower posts down, two outside tower posts down are located respectively in two bridge areas about, and two outside tower posts down all incline the setting from top to bottom outside in its bridge area.
Further, the bearing platform foundation is integrally arranged;
the lower inner side tower column and the lower outer side tower column are fixed on the integrally arranged bearing platform foundation.
Further, the bearing platform foundation is independently arranged;
the lower inner tower column and the lower outer tower column are respectively fixed on the corresponding bearing platform foundation;
and a bearing platform tie beam is connected between the adjacent bearing platform foundations.
Further, the bridge further comprises a second connecting entity, one end of the second connecting entity is connected with the connecting cross beam, and the other end of the second connecting entity is connected with the two upper inner side tower columns in the two bridge areas.
In one aspect, a construction method of a variable wall thickness tower structure of a framing bridge is provided, which is characterized by comprising the following steps:
pouring a bearing platform foundation;
after the bearing platform foundation reaches the construction standard, pouring an inner tower column and an outer tower column at the bottom on the bearing platform foundation, and arranging a second connecting entity above the inner tower column;
after the inner tower column and the outer tower column at the bottom reach the construction standard, pouring a connecting beam, connecting the inner tower column and the outer tower column at the bottom by using the connecting beam, and arranging a first connecting entity above the connecting beam;
after the connecting beam reaches the construction standard, pouring an inner tower column and an outer tower column at the top until the top is capped;
two framing bridges are arranged on the connecting beam, a highway is erected on one of the framing bridges according to actual requirements, and rails are erected on the other framing bridge.
The technical scheme provided by the invention has the beneficial effects that:
the connecting beam is divided into a left bridge area and a right bridge area by utilizing the inner tower column, the outer tower column is respectively arranged at the left side and the right side of the inner tower column, so that the bridge areas between the outer bridge tower and the inner bridge tower form a framing bridge, and the space for constructing the framing bridge is effectively saved. The problem that in the prior art, in order to realize a plurality of framing bridges, a plurality of independent bridge towers are required to be built, and even if adjacent independent bridge towers are abutted together, space between the bridge towers and the bridge towers of the two independent bridge towers still occupy space is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view of a variable wall thickness tower structure of a framing bridge according to the present invention;
FIG. 2 is a second schematic diagram of the front view of a variable wall thickness tower structure of a framing bridge according to the present invention;
FIG. 3 is one of the schematic cross-sectional views of the foundation of the bearing platform in the variable wall thickness tower structure of the framing bridge of the present invention;
FIG. 4 is a second schematic cross-sectional view of the foundation of the deck in the variable wall thickness tower structure of the framing bridge of the present invention.
In the figure: 1. a connecting beam; 2. a bearing platform foundation; 3. framing the bridge; 4. an upper inner tower column; 5. an upper outer tower column; 6. reinforcing the cross beam; 7. a first connection entity; 8. a lower inboard tower; 9. a lower outer tower column; 10. bearing platform tie beams; 11. and a second connection entity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 2, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1, and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns comprise two upper inner tower columns 4, the two upper inner tower columns 4 are respectively arranged in a left bridge area and a right bridge area, and each upper inner tower column 4 is obliquely arranged in the bridge area from bottom to top to the inner side;
the outer tower columns comprise two upper outer tower columns 5, the two upper outer tower columns 5 are respectively arranged in the left bridge area and the right bridge area, and the two upper outer tower columns 5 are obliquely arranged in the bridge areas from bottom to top to the inner side;
both of the upper inner tower columns 4 are connected to the upper outer tower column 5 in the bridge area thereof.
The upper inner tower 4 and the upper outer tower 5 in the same bridge area are all inclined from bottom to top to inside, so that an intersection area is formed above, that is, the upper inner tower 4 and the upper outer tower 5 are connected at the intersection area.
Meanwhile, the stress degree of the upper inner tower column 4 is inconsistent from bottom to top, so that the cross section of the upper inner tower column 4 is gradually reduced from bottom to top, namely the thickness degree of the upper tower column 4 is gradually reduced from bottom to top.
Embodiment two:
the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1 and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns comprise two upper inner tower columns 4, the two upper inner tower columns 4 are respectively arranged in a left bridge area and a right bridge area, and each upper inner tower column 4 is obliquely arranged in the bridge area from bottom to top to the inner side;
the outer tower columns comprise two upper outer tower columns 5, the two upper outer tower columns 5 are respectively arranged in the left bridge area and the right bridge area, and the two upper outer tower columns 5 are obliquely arranged in the bridge areas from bottom to top to the inner side;
and a reinforcing cross beam 6 is connected between the two upper inner tower columns 4 and the upper outer tower columns 5 in the bridge area.
The upper inner tower column 4 and the upper outer tower column 5 in the same bridge area are all inclined from bottom to top to inside, so that an intersection area is formed above. Below the intersection area, a reinforcing cross beam 6 is provided in advance for connecting the upper inner tower 4 with the upper outer tower 5 in the bridge area thereof. This requires selection in combination with the actual stress situation of the bridge.
Meanwhile, the stress degree of the upper inner tower column 4 is inconsistent from bottom to top, so that the cross section of the upper inner tower column 4 is gradually reduced from bottom to top, namely the thickness degree of the upper tower column 4 is gradually reduced from bottom to top.
Embodiment III:
referring to fig. 1, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1, and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns comprise two upper inner tower columns 4, the two upper inner tower columns 4 are respectively arranged in a left bridge area and a right bridge area, and each upper inner tower column 4 is obliquely arranged in the bridge area from bottom to top to the inner side;
the outer tower columns comprise two upper outer tower columns 5, the two upper outer tower columns 5 are respectively arranged in the left bridge area and the right bridge area, and the two upper outer tower columns 5 are obliquely arranged in the bridge areas from bottom to top to the inner side;
one of the upper inner tower columns 4 is connected with the upper outer tower column 5 in the bridge area thereof;
a reinforcing cross beam 6 is connected between the other upper inner tower column 4 and the upper outer tower column 5 in the bridge area.
One of the upper inner tower columns 4 is connected to an upper outer tower column 5 in its bridge area. That is, since the upper inner tower 4 and the upper outer tower 5 are each inclined from bottom to top to inside in the same bridge region, a crossing region is formed above, that is, the upper inner tower 4 and the upper outer tower 5 are connected at the crossing region.
A reinforcing cross beam 6 is connected between the other upper inner tower column 4 and the upper outer tower column 5 in the bridge area. That is, since both are inclined from bottom to top toward the inside, an intersection region is formed above. Below the intersection area, a reinforcing cross beam 6 is provided in advance for connecting the upper inner tower 4 with the upper outer tower 5 in the bridge area thereof. This requires selection in combination with the actual stress situation of the bridge.
Meanwhile, the stress degree of the upper inner tower column 4 is inconsistent from bottom to top, so that the cross section of the upper inner tower column 4 is gradually reduced from bottom to top, namely the thickness degree of the upper tower column 4 is gradually reduced from bottom to top.
It should be noted that the column internal force calculation process of the combined column structure is as follows: and establishing a finite element model and carrying out finite element analysis. Thereby obtaining the stress condition of the bottom sections of the upper outer tower column 5 and the upper inner tower column 4. When the two sides of the framing bridge 3 are symmetrically arranged, the maximum axial force of the bottom sections of the upper outer side tower column 5 and the upper inner side tower column 4 is close, and the maximum bending moment along the bridge width direction is close. Along the bridge longitudinal direction, the upper inner tower 4 is stressed to a greater extent than the upper outer tower 5. When the cross-sectional dimensions of the upper outer and inner pylons 5, 4 are identical, the upper inner pylon 4 is stressed to a greater extent than the upper outer pylon 5 in the longitudinal direction of the bridge. In summary, the stress degree of the upper inner tower column 4 is greater than that of the upper outer tower column 5.
Embodiment four:
referring to fig. 1 and 2, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1, and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns comprise two upper inner tower columns 4, the two upper inner tower columns 4 are respectively arranged in a left bridge area and a right bridge area, and each upper inner tower column 4 is obliquely arranged in the bridge area from bottom to top to the inner side;
the outer tower columns comprise two upper outer tower columns 5, the two upper outer tower columns 5 are respectively arranged in the left bridge area and the right bridge area, and the two upper outer tower columns 5 are obliquely arranged in the bridge areas from bottom to top to the inner side;
the bridge further comprises a first connecting entity 7, one end of the first connecting entity 7 is connected with the connecting cross beam 1, and the other end of the first connecting entity is connected with the two upper inner tower columns 4 in the two bridge areas.
Wherein, two upper inner side tower columns 4 and the connecting cross beam 1 in two bridge areas are provided with solid structures, namely, solid structures are arranged at the closure positions of the upper inner side tower columns and the connecting cross beam 1, so that the stress degree of the bridge can be effectively increased. At the same time, the connecting beam 1 can be divided into two bridge areas by the first connecting body 7.
Fifth embodiment:
referring to fig. 1 and 2, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1, and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns further comprise two lower inner tower columns 8, the two lower inner tower columns 8 are respectively arranged in the left bridge area and the right bridge area, and each lower inner tower column 8 is obliquely arranged from top to bottom to outside in the bridge area;
the outer tower columns comprise two lower outer tower columns 9, the two lower outer tower columns 9 are respectively arranged in a left bridge area and a right bridge area, and the two lower outer tower columns 9 are obliquely arranged in the bridge areas from top to bottom outwards;
the bridge further comprises a second connecting entity 11, one end of the second connecting entity 11 is connected with the connecting cross beam 1, and the other end of the second connecting entity is connected with the two upper inner tower columns 4 in the two bridge areas.
Wherein, two lower inboard tower posts 8 and the connection crossbeam 1 in two bridge areas set up solid structure, namely set up solid structure in its position of closing, can effectively increase the atress degree of bridge.
Example six:
referring to fig. 1, 2 and 4, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1 and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns further comprise two lower inner tower columns 8, the two lower inner tower columns 8 are respectively arranged in the left bridge area and the right bridge area, and each lower inner tower column 8 is obliquely arranged from top to bottom to outside in the bridge area;
the outer tower columns comprise two lower outer tower columns 9, the two lower outer tower columns 9 are respectively arranged in a left bridge area and a right bridge area, and the two lower outer tower columns 9 are obliquely arranged in the bridge areas from top to bottom outwards;
the bearing platform foundation 2 is integrally arranged;
the lower inner tower column 8 and the lower outer tower column 9 are all fixed on the integrally arranged bearing platform foundation 2.
In the left bridge area and the right bridge area, each lower inner side tower column 8 and each lower outer side tower column 9 are connected with the bearing platform foundation 2, the bearing platform foundation 2 is integrally arranged, and the stress degree of the lower inner side tower columns 8 and the lower outer side tower columns 9 along the bridge width direction can be effectively increased.
Embodiment seven:
referring to fig. 1 to 3, the embodiment of the invention provides a variable wall thickness tower connecting structure of a framing bridge, which comprises a connecting beam 1, an inner tower column, two outer tower columns and a bearing platform foundation 2, wherein the inner tower column is connected to the middle part of the connecting beam 1, and divides the connecting beam 1 into a left bridge area and a right bridge area; the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam 1, so that a bridge area between the outer tower columns and the inner tower columns forms a framing bridge 3; the bearing platform foundation 2 is connected to the bottom of the inner tower column and the outer tower column;
the inner tower columns further comprise two lower inner tower columns 8, the two lower inner tower columns 8 are respectively arranged in the left bridge area and the right bridge area, and each lower inner tower column 8 is obliquely arranged from top to bottom to outside in the bridge area;
the outer tower columns comprise two lower outer tower columns 9, the two lower outer tower columns 9 are respectively arranged in a left bridge area and a right bridge area, and the two lower outer tower columns 9 are obliquely arranged in the bridge areas from top to bottom outwards;
the bearing platform foundation 2 is independently arranged;
the lower inner tower column 8 and the lower outer tower column 9 are respectively fixed on the corresponding bearing platform foundation 2;
and a bearing platform tie beam 10 is connected between the adjacent bearing platform foundations 2.
Wherein, because the lower inner side tower columns 8 are all inclined and arranged from top to bottom to outside in the bridge area, the lower outer side tower columns 9 are all inclined and arranged from top to bottom to outside in the bridge area. Therefore, a tensile force is formed between the lower inner tower 8 and the lower outer tower 9 in the bridge width direction. Because the bearing platform foundations 2 are independently arranged, and bearing platform tie beams 10 are connected between the adjacent bearing platform foundations 2, the stress degree of the lower inner side tower column 8 and the lower outer side tower column 9 along the bridge width direction can be effectively increased.
It should be noted that the lower inner tower 8 and the lower outer tower 9 in this embodiment include, but are not limited to, box sections, and solid sections also belong to the application range of the lower inner tower 8 and the lower outer tower 9 in this application.
In one aspect, the invention provides a construction method of the variable wall thickness tower structure of the framing bridge, which is characterized by comprising the following steps:
s01, pouring a bearing platform foundation 2;
s02, after the bearing platform foundation 2 reaches the construction standard, pouring an inner tower column and an outer tower column at the bottom on the bearing platform foundation 2, and arranging a second connecting entity 11 above the inner tower column;
s03, pouring a connecting beam 1 after the inner tower column and the outer tower column at the bottom reach the construction standard, connecting the inner tower column and the outer tower column at the bottom by using the connecting beam 1, and arranging a first connecting entity 7 above the connecting beam 1;
s04, pouring an inner tower column and an outer tower column at the top until the connecting beam 1 reaches the construction standard;
s05, arranging two framing bridges 3 on the connecting beam 1, erecting a highway on one of the framing bridges 3 according to actual requirements, and erecting rails on the other framing bridge 3.
The invention has the beneficial effects that:
the connecting beam is divided into a left bridge area and a right bridge area by utilizing the inner tower column, the outer tower column is respectively arranged at the left side and the right side of the inner tower column, so that the bridge areas between the outer bridge tower and the inner bridge tower form a framing bridge, and the space for constructing the framing bridge is effectively saved. The problem that in the prior art, in order to realize a plurality of framing bridges, a plurality of independent bridge towers are required to be built, and even if adjacent independent bridge towers are abutted together, space between the bridge towers and the bridge towers of the two independent bridge towers still occupy space is avoided.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in this application, 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. Moreover, 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.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the 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 (10)
1. The utility model provides a variable wall thickness allies oneself with tower structure of framing bridge which characterized in that includes:
a connecting beam (1);
the inner tower column is connected to the middle part of the connecting beam (1) and divides the connecting beam (1) into a left bridge area and a right bridge area;
the two outer tower columns are respectively arranged at the left side and the right side of the inner tower column and are connected with the end parts of the connecting cross beam (1) so that a bridge area between the outer tower column and the inner tower column forms a framing bridge (3);
and the bearing platform foundation (2) is connected to the bottoms of the inner tower column and the outer tower column.
2. The variable wall thickness tower connecting structure of the framing bridge according to claim 1, wherein the inner tower columns comprise two upper inner tower columns (4), the two upper inner tower columns (4) are respectively arranged in left and right bridge areas, and each upper inner tower column (4) is obliquely arranged from bottom to top to inside in the bridge area;
the outside tower post includes two outside tower posts (5) on, two in two outside tower posts (5) are located respectively about in two bridge areas, and two outside tower posts (5) all are in its bridge area by supreme inboard slope setting down.
3. A variable wall thickness tower structure for a framing bridge according to claim 2, characterized in that both said upper inner tower columns (4) are connected to said upper outer tower column (5) in the bridge area thereof.
4. A variable wall thickness tower structure for a framing bridge according to claim 2, characterized in that a reinforcing cross member (6) is connected between both said upper inner tower columns (4) and said upper outer tower column (5) in the bridge area thereof.
5. A variable wall thickness tower structure for a framing bridge according to claim 2, further comprising a first connecting entity (7), one end of said first connecting entity (7) being connected to said connecting beam (1) and the other end being connected to two of said upper inner tower columns (4) in two bridge areas.
6. The variable wall thickness tower connecting structure of the framing bridge according to claim 1, wherein the inner tower columns further comprise two lower inner tower columns (8), the two lower inner tower columns (8) are respectively arranged in left and right bridge areas, and each lower inner tower column (8) is obliquely arranged from top to bottom to outside in the bridge area;
the outside tower post includes two outside tower posts (9) down, two outside tower posts (9) down are located respectively in two bridge areas about, and two outside tower posts (9) down all incline the setting from top to bottom outwards in its bridge area.
7. The variable wall thickness tower connecting structure of the framing bridge according to claim 6, wherein the bearing platform foundation (2) is integrally arranged;
the lower inner side tower column (8) and the lower outer side tower column (9) are fixed on the integrally arranged bearing platform foundation (2).
8. The variable wall thickness tower connecting structure of the framing bridge according to claim 6, wherein the bearing platform foundation (2) is independently arranged;
the lower inner tower column (8) and the lower outer tower column (9) are respectively fixed on the corresponding bearing platform foundation (2);
and bearing platform tie beams (10) are connected between the adjacent bearing platform foundations (2).
9. A variable wall thickness tower structure for a framing bridge according to claim 6, further comprising a second connection entity (11), said second connection entity (11) being connected at one end to said connection beam (1) and at the other end to two of said upper inner tower columns (4) in two bridge areas.
10. A method of constructing a variable wall thickness tower structure for a framing bridge as claimed in any one of claims 1 to 9, comprising the steps of:
pouring a bearing platform foundation (2);
after the bearing platform foundation (2) reaches the construction standard, pouring an inner tower column and an outer tower column at the bottom on the bearing platform foundation (2), and arranging a second connecting entity (11) above the inner tower column;
after the inner tower column and the outer tower column at the bottom reach the construction standard, pouring a connecting beam (1), connecting the inner tower column and the outer tower column at the bottom by using the connecting beam (1), and arranging a first connecting entity (7) above the connecting beam (1);
after the connecting beam (1) reaches the construction standard, pouring an inner tower column and an outer tower column at the top until the top is capped;
two framing bridges (3) are arranged on the connecting beam (1), a highway is erected on one of the framing bridges (3) according to actual requirements, and rails are erected on the other framing bridge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311857614.7A CN117758609A (en) | 2023-12-29 | 2023-12-29 | Variable wall thickness tower connecting structure of framing bridge and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311857614.7A CN117758609A (en) | 2023-12-29 | 2023-12-29 | Variable wall thickness tower connecting structure of framing bridge and construction method |
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