CN214089440U - Large-span stiff skeleton concrete arch bridge accurate assembling construction structure - Google Patents
Large-span stiff skeleton concrete arch bridge accurate assembling construction structure Download PDFInfo
- Publication number
- CN214089440U CN214089440U CN202022647417.0U CN202022647417U CN214089440U CN 214089440 U CN214089440 U CN 214089440U CN 202022647417 U CN202022647417 U CN 202022647417U CN 214089440 U CN214089440 U CN 214089440U
- Authority
- CN
- China
- Prior art keywords
- arch
- bridge
- ring
- arch ring
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a large-span stiff skeleton concrete arch bridge accurate assembly construction structure, which belongs to the technical field of bridge construction, and comprises a mountain body, arch feet, arch rings, a tower frame, a connecting steel cable, a suspender, a bridge pillar and a road surface, wherein the tower frame is arranged at the top of the mountain body; the connecting steel cable is used for connecting the two towers; the suspender is arranged at the bottom of the connecting steel cable. In the utility model, the arch ring of the concrete arch bridge is composed of two fixed arch rings and a connecting arch ring, thereby shortening the length of each single half arch ring, reducing the transportation difficulty, the requirement on equipment and the construction difficulty, shortening the construction period and simplifying the construction process; the utility model discloses in, the pylon can act as the cableway support that half arch ring of installation was used when constructing the arch bridge, can also act as the bridge pylon after the construction, utilizes connecting cable and jib to pull bridge column and arch ring, plays the effect of sharing the supporting force, improves the stability of bridge.
Description
Technical Field
The utility model relates to a bridge construction technical field, more specifically say, in particular to stride smart skeleton concrete arch bridge accurate construction structures of assembling greatly.
Background
The reinforced concrete structure is a main form of a steel-concrete composite structure and is a special composite material formed by adding section steel into reinforced concrete. Because the steel core is as the skeleton exists, the ductility of the concrete can be effectively improved, and the anti-seismic performance of the concrete is greatly improved; and the concrete laterally restrains the steel, thereby ensuring the mechanical property of the steel to be exerted and avoiding the steel from exiting the work in advance due to instability. Because of the advantages of high bearing capacity, high rigidity, good fire resistance, good earthquake resistance and the like, the composite material is more and more applied to high-rise buildings and super high-rise buildings in large-span structures and earthquake regions.
Arch bridges (arch bridges) refer to bridges in the vertical plane with an arch as the main load bearing member of the structure. The arch structure of bridge using arch ring or arch rib which mainly bears axial pressure as main bearing component is formed from arch ring (arch rib) and its support. The arch bridge can be constructed by materials with good compression resistance, such as bricks, stones, concrete and the like; the long-span arch bridge is constructed of reinforced concrete or steel to withstand the occurring moment. The static system according to the arch ring is divided into a non-hinged arch, a double-hinged arch and a three-hinged arch. The former two are statically indeterminate structures, and the latter are statically indeterminate structures.
When a railway is built, the method is often applied to a large-span stiff framework concrete arch bridge, the large-span stiff framework concrete arch bridge is usually applied to the construction condition of crossing a river or a river, two sides of the concrete arch bridge are respectively cast on mountain bodies on two sides of a river trunk or a river channel in a working mode, then two pre-cast half spans are subjected to swivel construction, and finally a complete arch ring is formed.
Therefore, the problem is solved by providing a precise assembling construction structure of the large-span stiff framework concrete arch bridge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, and the accurate construction structures of assembling of a stride strength nature skeleton concrete arch bridge greatly that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a large-span stiff skeleton concrete arch bridge accurate assembly construction structure comprises a mountain, arch feet, arch rings, a tower frame, connecting steel cables, a suspender, bridge columns and a road surface;
the arch springing is arranged on the mountain body;
the arch ring comprises a fixed arch ring and a connecting arch ring, the fixed arch ring is arranged on the arch springing, and the connecting arch ring is used for connecting the corresponding fixed arch ring;
the tower is arranged at the top of the mountain;
the connecting steel cable is used for connecting the two towers;
the suspender is arranged at the bottom of the connecting steel cable;
the bridge columns are arranged on the top of the arch ring and the top of the mountain body;
the road surface is arranged on the top of the bridge pillar and the top of the mountain body.
Preferably, the tower is connected to the mountain body by a traction cable.
Preferably, the bottom of the boom is connected to the top of the bridge post and the top of the arch respectively.
Preferably, the number of the fixed arches is two, and the number of the connecting arches is one.
Preferably, the fixed arch ring is folded with the connecting arch ring in a pouring mode.
Preferably, the top of the fixed arch ring and the top of the connecting arch ring are both provided with pouring grooves.
A large-span stiff skeleton concrete arch bridge accurate assembly construction method comprises the following steps:
firstly, pouring arch springing at one opposite side of the two mountains;
step two, erecting towers at the tops of the two mountains respectively;
connecting the two towers by using the connecting steel cable;
hoisting a pre-poured fixed arch ring by using the connecting steel cable, and respectively installing the fixed arch ring on an arch springing;
hoisting a pre-poured connecting arch ring by using the connecting steel cable, and respectively folding two ends of the connecting arch ring and the two fixed arch rings;
step six, utilizing the bottom of the suspender to pull the arch ring;
seventhly, installing an arch building on the arch ring;
and step eight, utilizing the lifting rod to pull the arch building.
Preferably, when the connection arch ring and the fixed arch ring are in closure treatment, reinforcing steel bars and concrete are required to be poured and laid in the pouring grooves.
Preferably, the arch building comprises a bridge pillar mounted on the top of the arch ring and a road surface mounted on the top of the bridge pillar.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
1. compared with the prior art, the arch ring of the concrete arch bridge is composed of two fixed arch rings and one connecting arch ring, so that the length of each single half arch ring is shortened, the transportation difficulty, the requirement on equipment and the construction difficulty are reduced, the construction period can be shortened, and the construction process is simplified;
2. compared with the prior art, the utility model discloses in, the pylon can also be used as the bridge pylon when constructing the arch bridge as the cableway support that installation half arch ring was used, after construction, can also be used as bridge pylon, utilizes connecting cable and jib to pull bridge column and arch ring, plays the effect of sharing the supporting force, improves the stability of bridge;
3. compared with the prior art, the utility model discloses in, adopt this mosaic structure to carry out the concrete arch bridge of equipment, simple structure need not to set up the support frame in the below of encircleing circle, has avoided the waste of steel.
Drawings
Fig. 1 is a construction schematic diagram when arch springing pouring is performed in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 2 is a schematic diagram of the construction of the tower, the tower traction and the construction of the connecting steel cable in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 3 is a schematic diagram of the fixed arch ring construction in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 4 is a schematic diagram of the construction of connecting arch rings in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 5 is a schematic diagram of the construction of the hanging rod for fixing the arch ring in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 6 is a schematic diagram of the construction of the bridge column in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 7 is a schematic diagram of the construction of bridge columns in the precise assembly construction structure of the large-span stiff skeleton concrete arch bridge provided by the utility model;
FIG. 8 is a schematic diagram of the construction of a large span stiff skeleton concrete arch bridge during pavement construction in the precise assembly construction;
fig. 9 is a schematic structural view of a precise assembly construction structure of a large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 10 is a schematic structural view of a fixed arch ring and a pouring groove in a precise assembling construction structure of a large-span stiff skeleton concrete arch bridge provided by the utility model;
fig. 11 is the utility model provides a stride strength nature skeleton concrete arch bridge greatly accurate construction structures of assembling in connect the arch ring and pour the structural schematic diagram of recess.
In the figure: 1. a mountain body; 2. an arch springing; 3. an arch ring; 31. fixing an arch ring; 32. connecting an arch ring; 4. a tower; 5. a traction wire rope; 6. connecting a steel cable; 7. a boom; 8. a bridge pillar; 9. A pavement; 10. and (6) pouring a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-11, a precise assembly construction structure of a large-span stiff skeleton concrete arch bridge comprises a mountain body 1, arch feet 2, arch rings 3, a tower frame 4, a connecting steel cable 6, a suspender 7, a bridge column 8 and a road surface 9;
the arch feet 2 are arranged on the mountain body 1;
the arch ring 3 comprises a fixed arch ring 31 and a connecting arch ring 32, the fixed arch ring 31 is arranged on the arch springing 2, and the connecting arch ring 32 is used for connecting the corresponding fixed arch ring 31;
the tower 4 is arranged at the top of the mountain body 1;
the connecting steel cable 6 is used for connecting the two towers 4;
the suspender 7 is arranged at the bottom of the connecting steel cable 6;
the bridge columns 8 are arranged at the top of the arch ring 3 and the top of the mountain body 1;
the road surface 9 is arranged on the top of the bridge pillar 8 and the top of the mountain body 1.
More specifically, the tower 4 is connected to the mountain 1 by a traction cable 5.
The arch ring 3 is composed of two fixed arch rings 31 and a connecting arch ring 32, when in construction, the two fixed arch rings 31 are respectively arranged on arch feet 2 on mountain bodies 1 at two sides, when in installation, a plurality of steel cables can be connected between the towers 4 for assisting in the installation of the fixed arch rings 31, after the fixed arch rings 31 are installed, the connecting arch ring 32 is conveyed between the two fixed arch rings 31 by using the steel cables arranged on the towers 4, and then the folding treatment is carried out, namely the installation of the arch rings 3 is completed.
More specifically, the bottom of the boom 7 is connected to the top of the bridge 8 and the top of the arch 3, respectively.
The function of the hanger rods 7 is to provide upward supporting force for the bridge pillars 8 and the arch ring 3, and share the supporting force of the arch ring 3 supporting the road surface 9.
More specifically, the number of the fixed arches 31 is two, and the number of the connecting arches 32 is one.
The traditional installation mode of two half-span arch rings is changed into the assembly mode of three half-arch rings, the length of each single half-arch ring is shortened, the transportation difficulty, the requirement on equipment and the construction difficulty are reduced, the construction period can be shortened, and the construction process is simplified.
More specifically, the fixed arch 31 is closed with the connecting arch 32 by means of pouring.
More specifically, the top of the fixed arch 31 and the top of the connecting arch 32 are each provided with a casting groove 10.
Be used for laying the reinforcing bar and concreting in pouring recess 10, be convenient for improve whole arch ring 3's connection stability, adopt this mosaic structure to carry out the concrete arch bridge of equipment, simple structure need not to set up the support frame in arch ring 3's below, has avoided the waste of steel.
The utility model also discloses a construction method is assembled to accurate of big strength nature skeleton concrete arch bridge of striding, including following step:
step one, casting arch springing 2 at one opposite side of two mountain bodies 1;
step two, erecting tower frames 4 on the tops of the two mountains 1 respectively;
step three, connecting the two towers 4 by using a connecting steel cable 6;
hoisting a pre-poured fixed arch ring 31 by using the connecting steel cable 6, and respectively installing the fixed arch ring 31 on the arch springing 2;
hoisting a pre-poured connecting arch ring 32 by using the connecting steel cable 6, and respectively folding two ends of the connecting arch ring 32 and the two fixed arch rings 31;
step six, the bottom of the suspender 7 is utilized to pull the arch ring 3;
seventhly, installing an arch building on the arch ring 3;
and step eight, utilizing the hanger rod 7 to pull the arch building.
More specifically, the connection arch ring 32 and the fixed arch ring 31 are required to be cast and laid with steel bars and concrete in the casting groove 10 during the folding process.
More specifically, the arch construction includes a bridge post 8 mounted on top of the arch 3 and a road surface 9 mounted on top of the bridge post 8.
The utility model discloses in, this concrete arch bridge's arch ring adopts two fixed arch rings 31 and a connection arch ring 32 to constitute, the length of every solitary half arch ring has been shortened, the transportation difficulty has been reduced, requirement and the construction degree of difficulty to equipment, can also the reduction of erection time, simplify construction process, and simultaneously, pylon 4 can act as the cableway support that half arch ring of installation was used when constructing the arch bridge, can also act as bridge pylon 4 after the construction, utilize connecting cable 6 and jib 7 to pull bridge column 8 and arch ring 3, play the effect of sharing the holding power, improve the stability of bridge, furthermore, adopt this mosaic structure to carry out the concrete arch bridge of equipment, moreover, the steam generator is simple in structure, need not to set up the support frame in arch ring 3's below, the waste of steel has been avoided.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A large-span stiff skeleton concrete arch bridge accurate assembly construction structure is characterized by comprising a mountain body (1), arch feet (2), arch rings (3), a tower frame (4), a connecting steel cable (6), a suspender (7), bridge columns (8) and a road surface (9);
the arch foot (2) is arranged on the mountain body (1);
the arch ring (3) comprises a fixed arch ring (31) and a connecting arch ring (32), the fixed arch ring (31) is arranged on the arch springing (2), and the connecting arch ring (32) is used for connecting the corresponding fixed arch ring (31);
the tower (4) is arranged at the top of the mountain body (1);
the connecting steel cable (6) is used for connecting two towers (4);
the suspender (7) is arranged at the bottom of the connecting steel cable (6);
the bridge columns (8) are arranged at the top of the arch ring (3) and the top of the mountain body (1);
the road surface (9) is arranged on the top of the bridge column (8) and the top of the mountain body (1).
2. The precise assembly construction structure of the large-span stiff skeleton concrete arch bridge according to claim 1, characterized in that the tower frame (4) is connected with the mountain body (1) through a traction steel cable (5).
3. The precise assembly construction structure of the large-span stiff skeleton concrete arch bridge according to claim 1, characterized in that the bottom of the hanger rod (7) is connected with the top of the bridge column (8) and the top of the arch ring (3) respectively.
4. The precise assembly construction structure of the large-span stiff skeleton concrete arch bridge according to claim 1, characterized in that the number of the fixed arch rings (31) is two, and the number of the connecting arch rings (32) is one.
5. The precise assembly construction structure of the large-span stiff skeleton concrete arch bridge according to claim 1, characterized in that the fixed arch ring (31) is folded with the connecting arch ring (32) in a pouring manner.
6. The precise assembly construction structure of the large-span stiff skeleton concrete arch bridge according to claim 5, characterized in that the top of the fixed arch ring (31) and the top of the connecting arch ring (32) are provided with pouring grooves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647417.0U CN214089440U (en) | 2020-11-16 | 2020-11-16 | Large-span stiff skeleton concrete arch bridge accurate assembling construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647417.0U CN214089440U (en) | 2020-11-16 | 2020-11-16 | Large-span stiff skeleton concrete arch bridge accurate assembling construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214089440U true CN214089440U (en) | 2021-08-31 |
Family
ID=77450308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647417.0U Active CN214089440U (en) | 2020-11-16 | 2020-11-16 | Large-span stiff skeleton concrete arch bridge accurate assembling construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214089440U (en) |
-
2020
- 2020-11-16 CN CN202022647417.0U patent/CN214089440U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106958206B (en) | Hybrid structure of arch and beam formula continuous rigid frame bridge bilayer bottom basket bilayer button hangs constructing device and method | |
| CN100554588C (en) | A kind of vertical rotation steel-concrete combination arch bridge | |
| CN102409606A (en) | Self-resetting pier column structural system with built-in energy dissipation assembly and implementing method for self-resetting piper column structural system | |
| CN211815489U (en) | Super large span flying swallow type concrete filled steel tube arch bridge with self-anchoring suspension cable system | |
| CN112482577A (en) | Large-span space chord supporting wheel spoke type truss structure system and construction method | |
| CN103046645A (en) | Large span prefabricated monolithic casting structure and construction method | |
| CN207110167U (en) | One kind assembling flat close rib building roof of superposed type two dimension prestressing | |
| CN113882238A (en) | Large-span deck cable-auxiliary beam arch combined rigid frame bridge and construction method thereof | |
| CN206667079U (en) | Basket double-deck button in hybrid structure of arch and beam formula continuous rigid frame bridge bilayer bottom hangs constructing device | |
| CN109162437B (en) | Integral steel platform for multi-cylinder steel plate shear wall and construction method thereof | |
| CN112982139A (en) | Wide-width large-span hybrid beam and short-tower cable-stayed bridge system and construction method thereof | |
| CN214089440U (en) | Large-span stiff skeleton concrete arch bridge accurate assembling construction structure | |
| CN107142830B (en) | Steel pipe web prestress steel-concrete combined girder structure and construction method | |
| CN202831219U (en) | Large-span precast monolithic concrete structure | |
| CN110700109A (en) | Construction process of concrete arch ring of steel pipe stiff skeleton of bridge | |
| CN217106220U (en) | Lifting device for large-scale space steel truss girder | |
| CN116065476A (en) | Template-free ultra-large-scale UHPC-CSW-NC combined bent cap and construction method | |
| CN206916942U (en) | A kind of interior is without load-bearing pillar extra space arch multi-layer construction structure | |
| CN106869390B (en) | A kind of Hyperbolic vaulted roof plate girder construction of string formula | |
| CN114837059A (en) | Mountain rock anchor cable-stayed flexible arch cooperation system bridge and construction method thereof | |
| CN103981799A (en) | Steel tube concrete string stiffness beam and construction method thereof | |
| CN105220609B (en) | Combined beam self-anchored suspension bridge and construction process thereof | |
| CN211340847U (en) | Precast beam of underground structure in reverse construction method | |
| CN112252166A (en) | Large-span stiff skeleton concrete arch bridge accurate assembling construction structure | |
| CN206693070U (en) | Hybrid structure of arch and beam formula continuous rigid frame bridge winds up walking cradle construction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |