CN213653171U - Novel decorate half-through bow member structure - Google Patents
Novel decorate half-through bow member structure Download PDFInfo
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- CN213653171U CN213653171U CN202021831167.XU CN202021831167U CN213653171U CN 213653171 U CN213653171 U CN 213653171U CN 202021831167 U CN202021831167 U CN 202021831167U CN 213653171 U CN213653171 U CN 213653171U
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Abstract
The utility model discloses a novel decorate and hold formula bow member structure in, including upper limbs arch rib, low limbs arch rib, limit limb arch rib, wind brace and hunch seat, the upper limbs arch rib is accepted to the one end of limit limb arch rib, and the other end of limit limb arch rib is located the hunch seat, and the lower extreme of low limbs arch rib is located the hunch seat, and the upper end of low limbs arch rib combines together with the upper end of upper limbs arch rib. The upper limb arch rib and the lower limb arch rib are connected with each other through a plurality of wind braces, the two ends of each wind brace are respectively connected with the upper limb arch rib and the lower limb arch rib, the lower limb arch rib is semicircular, and the upper limb arch rib is flying swallow-shaped. The utility model adopts the wind bracing to connect the upper limb arch rib and the lower limb arch rib for ensuring the integrity and stability of the arch center structure; the arch frame structure is completely separated from the main beam, belongs to two independent structure systems, and is more convenient and simpler in arch decoration.
Description
Technical Field
The utility model relates to a bridge field especially relates to a novel decorate half way formula bow member structure.
Background
The half-through arch bridge lacks the longitudinal beam, so that the cross beam is continuously twisted along the bridge direction under the action of wheel load, and the suspension rod is fatigue-broken due to continuous twisting; in construction, the axial line of the suspender and the anchoring conduit are difficult to be ensured to be positioned on the same straight line and the plumb line, the stress concentration is caused by the turning, and the fatigue problem is more serious. In addition, the existing common through-type arch frame structures all comprise a tie beam, arch ribs are located on the tie beam, the arch frame structures need to be arranged by depending on a main bridge and cannot be mutually independent, and the aesthetic property of the arch bridge structure is influenced sometimes.
Therefore, those skilled in the art have endeavored to develop a new decorative through arch structure that can solve the problems of fatigue fracture of the bar, structural stability of the bridge arch, and aesthetic appearance of the arch bridge structure.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to provide a through arch structure that is both aesthetic and fatigue resistant and has a stable structure.
In order to achieve the purpose, the novel decorative middle-support arch center structure comprises an upper limb arch rib, a lower limb arch rib, an upper limb arch rib and a lower limb arch rib combining section, a side limb arch rib, a wind brace and an arch center, wherein one end of the side limb arch rib is used for connecting the upper limb arch rib, the other end of the side limb arch rib is arranged on the arch center, the lower end of the lower limb arch rib is arranged on the arch center, the upper end of the lower limb arch rib is combined with the upper end of the upper limb arch rib to form the upper limb arch rib and lower limb arch rib combining section, the upper limb arch rib and lower limb arch rib combining section are provided with a plurality of wind braces, and two ends of the wind brace are respectively connected; the arch axis of the upper limb arch rib is a smooth curve formed by two sections of circular arcs, the highest point of the arch axis is 15.03m away from the top surface of the main beam, the section of the arch rib is rectangular, the single-box single-chamber structure is 1.4m high and 1.4m wide, the top plate and the bottom plate are 20mm thick, the web plate is 20mm thick, the diaphragm plate is 16mm thick, a manhole is arranged on the arch axis, and the distance is 3.0 m; the arch axis of the lower limb arch rib is a parabola, the calculated span is 116.73m, the highest point of the arch axis is 18.15m away from the top surface of the main beam, the rise is 28.40m, and the rise-span ratio is 1: 4.11, the cross section of the arch rib is rectangular, the cross section of the arch rib is of a single-box single-chamber structure, the height of the cross section is 1.6m, the width of the cross section is 1.4m, the thickness of the top plate and the bottom plate is 20mm, the thickness of the web plate is 20mm, the steel reinforced concrete structure is positioned in the range of 5.092m of the arch springing, the steel reinforced concrete structure is connected with the steel structure arch rib through a steel-concrete combination section, the thickness of a transverse partition plate is 16 mm; the height of the section of the upper and lower limb arch rib joint section in the span is gradually changed from 2.5m to 4.44m, the section is rectangular, two sections T0 and T1 near the vault are of a single-box single-chamber structure, the joint part of the upper and lower limb arch ribs is a T2 section, a T2 section is of a single-box three-chamber structure, the thickness of a bottom plate is 20mm, the thickness of a web plate is 20mm, the thickness of a transverse diaphragm plate is 16mm, manholes are formed in the transverse diaphragm plate, and the distance is 3.0 m; the cross section of each side limb arch rib is rectangular, the structure of a single box and a single chamber is adopted, the height of the cross section is 1.4m, the width of the cross section is 1.4m, the thickness of a top plate and a bottom plate is 20mm, the thickness of a web plate is 20mm, the thickness of a transverse partition plate is 16mm, manholes are formed in the cross section, and the distance between the manholes is 3.0 m; the arch support is of a reinforced concrete structure and made of C40 concrete.
Further, the number of the wind braces is 5.
Further, the upper limb arch rib is divided into 4 segments in total, which is marked as T0 Upper limbs，T1 Upper limbs，T2 Upper limbs，T3 Upper limbsEach segment is 10.326-14.958 m long, and the maximum hoisting weight is 16.0 tons.
Furthermore, the lower limb arch rib is divided into 4 segments, the arch foot segment is a reinforced concrete segment, T0Lower limbsThe sections being steel-concrete combined sections, T1Lower limbs～T2Lower limbsAnd the steel structure section is positioned, and the maximum hoisting weight is 16.9 tons.
Furthermore, the upper and lower limb arch rib joint section is divided into 5 sections, each section is 10.550 m-14.100 m long, and the maximum hoisting weight is 28.8 tons.
Furthermore, the side arch rib is divided into 3 sections, the arch foot section is a reinforced concrete section, T0Side limbThe sections being steel-concrete combined sections, T1Side limbAnd the steel structure section is positioned, and the maximum hoisting weight is 11.5 tons.
Furthermore, a bearing platform is arranged below the arch support, the arch support and the bearing platform are made into an integral form and are built together with a main bridge pier bearing platform pile foundation, the plane size of the rectangular bearing platform is 12.0m (transverse bridge direction) multiplied by 5.6m (forward bridge direction), and 8 bearing platforms are arranged below the bearing platform
And (4) drilling a cast-in-place pile.
Technical effects
Compared with the prior art, the utility model adopts the wind bracing to connect the upper limb arch rib and the lower limb arch rib for ensuring the integrity and stability of the arch center structure;
the arch truss structure of the utility model is completely separated from the main beam, belongs to two independent structure systems, and is more convenient and simpler in arch decoration;
the utility model discloses a well formula bow member structure of holding presents flying swallow's shape, has beautified the outward appearance.
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.
Drawings
Fig. 1 is a perspective view of a novel decorative through arch structure according to a preferred embodiment of the present invention;
fig. 2 is a cross section of the novel decorative half-through arch structure according to a preferred embodiment of the present invention.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
The span of the middle bearing type arch center structure of the utility model is 30m +120m +30 m. The full bridge consists of a combined section, an upper limb arch, a lower limb arch and a side limb arch, and five wind braces are arranged between ribs of the two arches. The full bridge is of an all-steel structure and is made of Q345D, and the technical standard of the full bridge must meet the regulations of GB709-85, YB166-85 and YB 164-63.
As shown in fig. 1-2, the present invention provides a novel decorative middle arch structure, which comprises an upper arch rib 1, a lower arch rib 2, a side arch rib 3, a wind brace 4, an arch base 5, and an upper and lower arch rib joint section. One end of the side arch rib 3 is connected with the upper limb arch rib 1. The other end of the limb arch rib 3 is positioned on the arch support 5. Both ends of the lower limb arch rib 2 are positioned on the arch bases 5. A plurality of wind braces 4 are arranged at the joint of the upper limb arch rib 1 and the lower limb arch rib 2. The number of wind braces is selected depending on the cost and the impact on the landscape. In the present embodiment, the number of the wind braces 4 is 5. Two ends of the wind brace 4 are respectively connected with the upper limb arch rib 1 and the lower limb arch rib 2. The lower limb arch rib 2 is semicircular, the upper limb arch rib 1 is shaped like a flying swallow, a bearing platform is arranged below the arch support 5, and the arch support 5 and the bridge share the bearing platform. The number of the wind braces is 5. The arch axis of the upper limb arch rib 1 is a smooth curve formed by two sections of circular arcs, the distance between the highest point of the arch axis and the top surface of the main beam is 15.03m, the cross section of the arch rib is rectangular, the single-box single-chamber structure is 1.4m in height and 1.4m in width, the thicknesses of the top plate and the bottom plate are 20mm, the thickness of the web plate is 20mm, the thickness of the transverse partition plate is 16mm, a manhole is arranged on the arch rib, the distance is 3.0m, the upper limb arch rib 1 is divided into 4 sections, the length of each section is 10.326-14.958 m, and the maximum hoisting. The arch axis of the lower limb arch rib 2 is a parabola, the calculated span is 116.73m, the highest point of the arch axis is 18.15m away from the top surface of the main beam, the rise is 28.40m, and the rise-span ratio is 1: 4.11, the arch rib cross-section is the rectangle, single case single chamber structure, and the cross-section height is 1.6m, and width 1.4m, roof and bottom plate thickness 20mm, and the web thickness 20mm is located the arch springing 5.092m within range and is the reinforced concrete structure, links to each other with steel construction arch rib through the steel-concrete combination section, and the cross diaphragm is thick 16mm, sets up the manhole on it, interval 3.0m, lower limbs arch rib divide into 4 sections altogether, and the arch springing section is the reinforced concrete section, T0Lower limbsThe sections being steel-concrete combined sections, T1Lower limbs～T2Lower limbsAnd the steel structure section is positioned, and the maximum hoisting weight is 16.9 tons. The section height of the upper and lower limb arch rib joint section in the span is gradually changed from 2.5m to 4.44m, the section is rectangular, two sections T0 and T1 near the arch are of a single-box single-chamber structure, and the upper and lower limb arch ribsThe rib joint part is a T2 segment, the T2 segment is a single-box three-chamber structure, the bottom plate is 20mm thick, the web plate is 20mm thick, the transverse diaphragm plate is 16mm thick, a manhole is arranged on the transverse diaphragm plate, the distance between the transverse diaphragm plate and the manhole is 3.0m, the upper and lower limb arch rib joint sections are divided into 5 segments, the length of each segment is 10.550 m-14.100 m, and the maximum hoisting weight is 28.8 tons. The cross section of each side limb arch rib 3 is rectangular, the structure is a single-box single-chamber structure, the height of the cross section is 1.4m, the width of the cross section is 1.4m, the thickness of a top plate and a bottom plate is 20mm, the thickness of a web plate is 20mm, the thickness of a transverse partition plate is 16mm, a manhole is arranged on the cross section, the distance is 3.0m, the side limb arch rib 3 is divided into 3 sections, each arch foot section is a reinforced concrete section, and T0Side limbThe sections being steel-concrete combined sections, T1Side limbAnd the steel structure section is positioned, and the maximum hoisting weight is 11.5 tons. The arch support 5 is of a reinforced concrete structure and made of C40 concrete. The arch seats and the bearing platform are made into an integral form and are built together with a main bridge pier bearing platform pile foundation, the plane size of the rectangular bearing platform is 12.0m (transverse bridge direction) multiplied by 5.6m (forward bridge direction), and 8 bearing platforms are arranged below the bearing platform
And (4) drilling a cast-in-place pile. In the present embodiment, the windbrace 4 is located at the junction of the upper limb rib 1 and the lower limb rib 2. In other embodiments, the wind brace may be located at the junction of the upper and side arch ribs, or at both ends of the upper and lower arch ribs. In this embodiment, all parts of the arch structure are rigidly connected.
The arch center construction scheme is as follows: the steel arch frame is prefabricated in advance in a factory, and after the main beam is poured, a full-space support is erected near the main arch foot. And pouring the arch foot reinforced concrete segments and pre-burying prestressed reinforcements. Erecting arch rib supports according to arch rib sections, adjusting elevation after each arch section is in place, and welding joints of each section. And then installing five wind braces between the arch ribs. And finally, sequentially removing the arch rib temporary supports from the midspan to the two sides to finish the installation of the arch ribs.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this 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 (7)
1. A novel decorative middle-support arch center structure is characterized by comprising upper limb arch ribs, lower limb arch ribs, upper and lower limb arch rib joint sections, side limb arch ribs, wind braces and arch centers,
one end of each side limb arch rib is connected with an upper limb arch rib, the other end of each side limb arch rib is positioned on the arch support, the lower end of each lower limb arch rib is positioned on the arch support, the upper end of each lower limb arch rib is combined with the upper end of each upper limb arch rib to form an upper and lower limb arch rib combining section, the upper and lower limb arch rib combining section is provided with a plurality of wind braces, and the two ends of each wind brace are respectively connected with the upper limb arch rib and the lower limb arch rib;
the arch axis of the upper limb arch rib is a smooth curve formed by two sections of circular arcs, the highest point of the arch axis is 15.03m away from the top surface of the main beam, the section of the arch rib is rectangular, the single-box single-chamber structure is provided, the section is 1.4m high and 1.4m wide, the top plate and the bottom plate are 20mm thick, the web plate is 20mm thick, the transverse partition plate is 16mm thick, a manhole is arranged on the transverse partition plate, and the distance is 3.0 m;
the arch axis of the lower limb arch rib is a parabola, the calculated span is 116.73m, the highest point of the arch axis is 18.15m away from the top surface of the main beam, the rise is 28.40m, and the rise-span ratio is 1: 4.11, the cross section of the arch rib is rectangular, the cross section of the arch rib is of a single-box single-chamber structure, the height of the cross section is 1.6m, the width of the cross section is 1.4m, the thickness of the top plate and the bottom plate is 20mm, the thickness of the web plate is 20mm, the steel reinforced concrete structure is positioned in the range of 5.092m of the arch springing, the steel reinforced concrete structure is connected with the steel structure arch rib through a steel-concrete combination section, the thickness of a transverse partition plate is 16 mm;
the height of the section of the upper limb arch rib and lower limb arch rib joint section in the span is gradually changed from 2.5m to 4.44m, the section is rectangular, two sections T0 and T1 near the arch crown are of a single-box single-chamber structure, the joint part of the upper limb arch rib and the lower limb arch rib is a T2 section, the T2 section is of a single-box three-chamber structure, the bottom plate is 20mm thick, the web plate is 20mm thick, the transverse partition plate is 16mm thick, manholes are formed in the T2 section, and the distance between the T2 section and the web plate;
the cross section of each side limb arch rib is rectangular, the structure is a single-box single-chamber structure, the height of the cross section is 1.4m, the width of the cross section is 1.4m, the thickness of a top plate and a bottom plate is 20mm, the thickness of a web plate is 20mm, the thickness of a transverse partition plate is 16mm, manholes are formed in the cross section, and the distance between the manholes is 3.0 m;
the arch center is of a reinforced concrete structure and made of C40 concrete.
2. A novel decorative centre arch structure according to claim 1, wherein the number of said braces is 5.
3. A novel decorative centre-supporting arch structure as claimed in claim 1, wherein the upper limb arch rib is divided into 4 segments, each segment is 10.326-14.958 m long, and the maximum hoisting weight is 16.0 tons.
4. The new decorative through arch structure as claimed in claim 1, wherein said lower limbs arch rib is divided into 4 segments, the arch foot segment is reinforced concrete segment, T0Lower limbsThe sections being steel-concrete combined sections, T1Lower limbs～T2Lower limbsAnd the steel structure section is positioned, and the maximum hoisting weight is 16.9 tons.
5. The new decorative midcap arch center structure of claim 1, wherein the upper and lower limb arch rib joint section is divided into 5 sections, each section is 10.550 m-14.100 m long, and the maximum hoisting weight is 28.8 tons.
6. A novel decorative midcap arch center structure as claimed in claim 1, wherein said side arch rib is divided into 3 segments, the arch foot segment is reinforced concrete segment, T0Side limbThe sections being steel-concrete combined sections, T1Side limbAnd the steel structure section is positioned, and the maximum hoisting weight is 11.5 tons.
7. The new type of arch center structure as claimed in claim 1, wherein the bearing platform is provided under the arch support, the arch support and the bearing platform are made into an integral form and built together with the foundation of the main bridge pier bearing platform pile, the rectangular bearing platform has a planar size of 12.0m in the transverse direction and 5.6m in the longitudinal direction, and a total of 8 bearing platforms are provided under the bearing platform
And (4) drilling a cast-in-place pile.
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| CN202021831167.XU CN213653171U (en) | 2020-08-28 | 2020-08-28 | Novel decorate half-through bow member structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395978A (en) * | 2021-12-24 | 2022-04-26 | 中铁第四勘察设计院集团有限公司 | Highway-railway combined-construction pier structure and bridge structure |
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- 2020-08-28 CN CN202021831167.XU patent/CN213653171U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395978A (en) * | 2021-12-24 | 2022-04-26 | 中铁第四勘察设计院集团有限公司 | Highway-railway combined-construction pier structure and bridge structure |
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