CN212247826U - Super-large span channel structure built on ground - Google Patents

Super-large span channel structure built on ground Download PDF

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Publication number
CN212247826U
CN212247826U CN202021588369.6U CN202021588369U CN212247826U CN 212247826 U CN212247826 U CN 212247826U CN 202021588369 U CN202021588369 U CN 202021588369U CN 212247826 U CN212247826 U CN 212247826U
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China
Prior art keywords
curved
tie
underground wall
arched
curved surface
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CN202021588369.6U
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Chinese (zh)
Inventor
王新
姜弘
王印昌
邓玮琳
蒋维刚
李雪峰
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Shanghai Urban Construction Design Research Institute Group Co Ltd
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Shanghai Urban Construction Design Research Institute Group Co Ltd
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Abstract

The utility model discloses an overground built ultra-large span channel structure, which at least comprises a curved surface beam-slab system and a foundation; the curved surface beam-slab system comprises a curved arched beam, a tie beam and a curved surface slab, wherein the curved arched beam is used as a main beam, the tie beam is used as a secondary beam, and the curved surface slab is laid on the tie beam; the foundation includes a pier and a lattice-type underground wall. The curved arched beam, the tie beam and the curved plate are adopted to form the framework, the curved beam plate system is completed step by step, the scaffold is avoided being built, and the influence of construction on the existing road is reduced; the problem of horizontal thrust of the arch is solved by means of the lateral resistance of the lattice type underground wall, a horizontal stay cable is prevented from being arranged between the abutments, and the influence of construction on the existing road is reduced; the curved arched beam and the tie beam of the steel reinforced concrete structure mainly bear axial pressure, and the thickness of the component is thinner under the same condition, so that the visual effect is better.

Description

Super-large span channel structure built on ground
Technical Field
The utility model relates to a pile up passageway technical field, especially relate to a super large span access structure who piles up on the ground.
Background
In the urban mound landscaping project, rapid communication of two sides of a scenic spot is maintained by building a channel on the ground. The channel is usually located on the existing road, so that the influence on the operation of the existing road is required to be reduced as much as possible. At present, the single span in China exceeds 40m and the passage structure for bearing the soil covering load is less.
The person skilled in the art is dedicated to solving the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the technical purpose of the present invention is to solve the problems mentioned in the background art.
In order to realize the technical purpose, the utility model provides an overground built ultra-large span channel structure, which at least comprises a curved surface beam-slab system and a foundation; the curved surface beam-slab system comprises a curved arched beam, a tie beam and a curved surface slab, wherein the curved arched beam is used as a main beam, the tie beam is used as a secondary beam, and the curved surface slab is laid on the tie beam; the foundation comprises an abutment and a lattice type underground wall; the curved surface beam slab system with the pier links to each other, set up under the pier lattice formula underground wall, lattice formula underground wall is crisscross and interval arrangement constitutes by T font wall and a style of calligraphy wall.
Preferably, the camber arched girder and the tie beam are both of a steel reinforced concrete structure.
Preferably, the thickness of the curved plate is not less than 300 mm.
Preferably, the curved plate, the abutment and the lattice type underground wall are all of reinforced concrete structures.
The utility model has the advantages that:
because of the structural design, the utility model adopts the curved arched beam, the tie beam and the curved plate to form the skeleton, gradually completes the curved beam plate system, avoids building a scaffold, and reduces the influence of construction on the existing road;
the construction method of the utility model solves the problem of horizontal thrust of the arch by means of the lateral resistance of the lattice type underground wall, avoids the arrangement of the horizontal stay cable between the piers, and reduces the influence of construction on the existing road;
the curved arched beam and the tie beam of the steel reinforced concrete structure mainly bear axial pressure, and the thickness of the component is thinner under the same condition, so that the visual effect is better.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic structural view of the middle curved surface beam-slab system of the present invention;
FIG. 3 is a schematic structural view of a middle lattice type underground wall according to the present invention;
fig. 4 is a schematic structural view of the curved arched girder of the present invention;
fig. 5 is a schematic structural view of the middle tie beam of the present invention.
In the figure: 1 curved arched beam, 2 tie beams, 3 curved plates, 4 piers, 5-structure underground wall, 6 EPS material, 7 planting soil and 8 greening vegetation.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example (b):
as shown in fig. 1-5, an overground super-span channel structure at least comprises a curved beam-slab system and a foundation; the curved surface beam plate system comprises a curved arched beam 1, a tie beam 2 and a curved surface plate 3, wherein the curved arched beam 1 is used as a main beam, the tie beam 2 is used as a secondary beam, and the curved surface plate 3 is laid on the tie beam 2; the foundation comprises an abutment 4 and a lattice type underground wall 5; the curved surface beam slab system is connected with the abutment 4, and a lattice type underground wall 5 is arranged below the abutment 4.
Specifically, the arched girders 1 and the tie beams 2 are both of a steel reinforced concrete structure.
Specifically, the thickness of the curved plate 3 is not less than 300 mm.
Specifically, the curved plate 3, the abutment 4 and the lattice type underground wall 5 are all of reinforced concrete structures.
Specifically, the lattice-type underground wall 5 is formed by staggered and spaced T-shaped walls and linear walls.
And cement soil mixing piles are adopted among the lattices for reinforcement, so that the stress integrity of the lattice type underground wall 5 is enhanced.
Specifically, the load that EPS material 6, planting soil 7 and afforestation vegetation 8 above curved plate 3 produced passes through curved plate 3 and transmits to on the arched girder 1, and arched girder 1 transmits the load to by pier 4 and lattice formula underground wall 5 constitute the basis on, and the basis transmits the load to the stratum.
Specifically, the arched girder 1 is a prefabricated component, and the rest components are cast in situ.
The construction process comprises the following steps:
the first step is as follows: leveling a foundation field, and applying cement soil mixing piles for reinforcement;
the second step is that: after the reinforcing strength meets the requirement, constructing a lattice type underground wall and pier foundation, and reserving a connecting structure with the curved surface beam slab system;
the third step: hoisting a curved arched beam 1 (the curved arched beam 1 can be prefabricated on site or prefabricated in factories) to be positioned on an abutment 4, wherein the prefabricated curved arched beam 1 is provided with embedded section steel connected with section steel in a tie beam 2, and the curved arched beam 1 is provided with an anchor bolt connected with a curved plate 3;
the fourth step: building a template system by means of the curved arched beam 1, and pouring concrete to form a tie beam 2 and a curved plate 3;
the fifth step: after the strength of the poured concrete reaches 100%, removing the template, and constructing a waterproof layer;
and a sixth step: covering with EPS material 6 and planting soil 7;
the seventh step: and planting the greening vegetation 8 and finishing the stacking.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (4)

1. The utility model provides a super large-span access structure of piling up on ground which characterized in that: the curved beam-slab system at least comprises a curved beam-slab system and a foundation;
the curved-surface beam-slab system comprises a curved arched beam (1), a tie beam (2) and a curved plate (3), wherein the curved arched beam (1) is used as a main beam, the tie beam (2) is used as a secondary beam, and the curved plate (3) is laid on the tie beam (2);
the foundation comprises an abutment (4) and a lattice type underground wall (5);
the curved surface beam slab system is connected with the abutment (4), and the lattice type underground wall (5) is arranged below the abutment (4);
the lattice type underground wall (5) is formed by staggered and spaced T-shaped walls and straight-shaped walls.
2. The above-ground stacking ultra-large span passageway structure of claim 1, wherein: the curved arched beam (1) and the tie beam (2) are both of a steel reinforced concrete structure.
3. The above-ground stacking ultra-large span passageway structure of claim 1, wherein: the thickness of the curved plate (3) is not less than 300 mm.
4. The above-ground stacking ultra-large span passageway structure of claim 1, wherein: the curved plate (3), the abutment (4) and the lattice type underground wall (5) are all of reinforced concrete structures.
CN202021588369.6U 2020-08-04 2020-08-04 Super-large span channel structure built on ground Active CN212247826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021588369.6U CN212247826U (en) 2020-08-04 2020-08-04 Super-large span channel structure built on ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021588369.6U CN212247826U (en) 2020-08-04 2020-08-04 Super-large span channel structure built on ground

Publications (1)

Publication Number Publication Date
CN212247826U true CN212247826U (en) 2020-12-29

Family

ID=73981149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021588369.6U Active CN212247826U (en) 2020-08-04 2020-08-04 Super-large span channel structure built on ground

Country Status (1)

Country Link
CN (1) CN212247826U (en)

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