CN114875769A - Prefabricated hollow sandwich concrete-filled steel tube arch bridge and construction method thereof - Google Patents
Prefabricated hollow sandwich concrete-filled steel tube arch bridge and construction method thereof Download PDFInfo
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- CN114875769A CN114875769A CN202110828795.5A CN202110828795A CN114875769A CN 114875769 A CN114875769 A CN 114875769A CN 202110828795 A CN202110828795 A CN 202110828795A CN 114875769 A CN114875769 A CN 114875769A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 165
- 239000010959 steel Substances 0.000 title claims abstract description 165
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 239000011229 interlayer Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011800 void material Substances 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009432 framing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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Abstract
The invention relates to the field of construction of assembled arch bridges, in particular to a prefabricated hollow sandwich concrete-filled steel tube arch bridge and a construction method thereof. The bridge deck, the hollow sandwich steel pipe concrete arch upright post sections and the hollow sandwich steel pipe concrete arch rib sections are prefabricated, concrete is poured into the hollow sandwich steel pipe arch upright post sections and the hollow sandwich steel pipe arch rib sections in the prefabrication stage, and the left and right side span hollow sandwich steel pipe concrete arch rib sections are temporarily hinged with arch springing after being spliced on site. By means of the characteristic that concrete is poured in the hollow sandwich steel pipe prefabricating stage, the left and right side span arch upright posts are constructed by using a truck crane, and hoisting systems are erected on the two upright posts. By means of the hoisting system, the hollow sandwich steel pipe concrete arch bridge is assembled from side span to midspan. The invention utilizes the advantages of the concrete arch rib segments of the assembled hollow sandwich steel tube, eliminates the construction step of pouring concrete into the tube on site, and solves the problem of safety risk of pouring concrete into the tube. The invention can realize prefabricated assembly construction, greatly shorten the construction period, reduce the dead weight of a large-span bridge, reduce the construction cost, and has the advantages of rapidness, high reliability and the like.
Description
Technical Field
The invention relates to the field of construction of assembled arch bridges, in particular to a prefabricated hollow sandwich concrete-filled steel tube arch bridge and a construction method thereof.
Background
The traditional steel pipe concrete through-put type arch bridge is characterized in that arch rib segments are prefabricated in a factory at first, a high cable crane system is erected or built on a bridge approach on a construction site, the steel pipe arch rib segments are hoisted, concrete is poured into a pipe after a main arch ring is closed, and finally an arch structure is constructed.
The existing document 'control of hoisting construction of arch ribs of long-span through-type concrete-filled steel tube arch bridge' discloses a method for constructing through-type solid concrete-filled steel tube arch bridge, and concrete is integrally poured after arch rib segments are hoisted on site, so that the problems of heavy self weight of the whole bridge, high void ratio, high safety risk of pumping concrete and the like exist.
The existing literature, first hollow circular ring steel pipe concrete arch bridge design, discloses a design scheme of a through type hollow sandwich steel pipe concrete arch bridge, the problems of safety risk and void ratio of pumped concrete and the like exist in the through type hollow sandwich steel pipe concrete arch bridge design after arch rib segments are hoisted on site and then concrete is poured integrally, and meanwhile, the through type steel pipe concrete arch bridge is not suitable for spanning mountainous terrain generally.
The invention provides a prefabricated hollow concrete-filled steel tube arch bridge and a construction method thereof, and provides a through hollow concrete-filled steel tube arch bridge and a construction method thereof.
Disclosure of Invention
Aiming at the technical problems in the concrete-filled steel tube arch bridge in the prior art, the invention provides a novel prefabricated hollow sandwich concrete-filled steel tube arch bridge and a construction method thereof.
The prefabricated assembled hollow sandwich concrete filled steel tube arch bridge comprises a prefabricated bridge deck, prefabricated hollow sandwich concrete filled steel tube arch upright post sections and prefabricated hollow sandwich concrete filled steel tube arch rib sections; the prefabricated hollow sandwich concrete-filled steel tube arch upper column sections and the prefabricated hollow sandwich concrete-filled steel tube arch rib sections are poured with concrete in the prefabricating stage.
The prefabricated hollow sandwich steel tube concrete arch rib segment is of a multi-limb lattice structure, the upper chord and the lower chord of the arch rib segment are hollow sandwich steel tubes, the upper chord and the lower chord are welded with each connection member to form the prefabricated multi-limb lattice arch rib segment, the end parts of the upper chord and the lower chord of the arch rib are welded with connecting joints, the middle part of the upper chord is welded with an upright post inserting box, then concrete is poured into the upper chord and the lower chord of the arch rib to form a steel tube-concrete-steel tube type section, and the hollow sandwich steel tube concrete arch rib segment is formed after the mechanical property is stable.
The prefabricated hollow sandwich concrete filled steel tube arched upright post segment is of a truss structure, the column limb is a hollow sandwich steel tube, the column limb and the steel tube cross brace are welded to form a steel tube truss segment, the end part of the column limb is welded with a connecting joint, then concrete is poured into the column limb, and the hollow sandwich concrete filled steel tube arched upright post segment is formed after mechanical properties are stable.
The connecting joints are welded to two ends of an arch rib of the multi-limb lattice type hollow sandwich concrete-filled steel tube arch bridge and two ends of an arch upright steel framework of the truss type hollow sandwich concrete-filled steel tube arch bridge, can fix the positions of an outer ring steel tube and an inner ring steel tube, seals the inner ring steel tube to prevent concrete from flowing in, and realizes automatic connection between arch rib sections when a main arch ring is assembled.
In the prefabricated assembled hollow sandwich concrete-filled steel tube arch bridge, left and right side span arch upright columns need to bear loads such as a hoisting system and the like, and the prefabricated assembled hollow sandwich concrete-filled steel tube arch bridge needs higher strength than other upright columns, and the strength requirement of steel tubes and concrete is higher; when the arch rib sections connected with the left and right side span arch upper upright posts are prefabricated, the vertical web members are of a solid steel pipe concrete structure.
The construction method of the prefabricated hollow sandwich concrete-filled steel tube arch bridge comprises the following steps:
(1) establishing a finite element model through a space of geometric nonlinearity and material nonlinearity, symmetrically dividing each arch rib from the head end to the tail end of the bridge into a plurality of hoisted sections in the finite element model, and determining the number of the arch columns.
(2) Prefabricating hollow interlayer steel pipe concrete arch rib sections, hollow interlayer steel pipe concrete arch upright post sections and bridge decks.
(3) The left and right side span arch rib sections of the hollow sandwich layer concrete-filled steel tube are temporarily hinged with arch feet, an automobile crane is used for constructing the side span of two arch upright posts, the upright posts are connected and fixed on the corresponding arch ribs through upright post inserting boxes welded in the middle of the upper chords of the corresponding arch ribs, after the construction is finished, a hoisting system is erected on the upright posts, and the rest hollow sandwich layer concrete-filled steel tube arch ribs and the arch upright post sections are hoisted one by one.
(4) The method comprises the steps of automatically connecting two adjacent hollow sandwich steel pipe concrete arch rib sections through connecting joints, pouring concrete into the connecting joints to ensure the bonding and force transmission among the arch ribs, and connecting the arch rib sections from side-span arch rib sections to closure arch rib sections section by section.
(5) The left and right arch rib segments are joined using an instantaneous joining device.
(6) After the main arch ring is closed, the hollow sandwich concrete filled steel tube arch upright post is hoisted by using a hoisting system on the side-span upright post, the sections of the adjacent two sections of hollow sandwich concrete filled steel tube arch upright posts are automatically connected through a connecting joint, then concrete is poured into the connecting joint to ensure the bonding and force transfer between arch ribs, and finally the bridge deck is hoisted by using the hoisting system on the side-span upright post.
Furthermore, before the hollow interlayer concrete filled steel tube arch rib segment is hoisted, the concrete end part in the hollow interlayer concrete filled steel tube arch rib segment is subjected to roughening treatment in a construction site, and concrete is poured into each connecting joint after the main arch ring is closed, so that connection and force transfer are guaranteed.
Furthermore, the side span arch rib segment is in a cantilever state during hoisting construction, a full support is arranged at the lower part of the side span arch rib segment to balance bending moment and vertical gravity, a lock catch of the left and right side span arch upright posts is connected with a ground anchor after the installation of the left and right side span arch upright posts is finished, and hoisting systems are erected on the left and right side span arch upright posts.
The invention can cancel the working procedure of pouring concrete in the pipe on site by utilizing the prefabrication and assembly of the hollow sandwich steel pipe concrete arch bridge, and can shorten the construction period. The hoisting systems are erected on the left side-span stand column and the right side-span stand column respectively, the approach bridge construction is not required to be finished, a high temporary structure is not required to be built and dismantled, and the construction efficiency and the economical efficiency are improved. The concrete is wholly poured into after the traditional construction is closed for the main arch ring, the problem of the concrete void ratio in the pipe is difficult to solve, the concrete compactness in the pipe can be guaranteed by prefabricating and assembling hollow interlayer steel pipe concrete segments, and the problem of the concrete void ratio can be well solved. The hollow interlayer steel pipe concrete segments are prefabricated in a factory, so that the safety risk caused by the fact that concrete is integrally poured into the main arch ring on site can be avoided, and the safety accident caused by improper control of air pressure in the pipe of the concrete pumped by the main arch ring is avoided. When the hollow steel pipe arch rib segments are assembled by the cantilever on site, the steel pipes are in buckling risk, and the prefabricated hollow interlayer steel pipe concrete segments can avoid the buckling risk of the steel pipes. Use cavity intermediate layer steel pipe concrete in arch rib segment structure, intraductal concrete "three-dimensional pressurized" performance is more excellent, and the outer steel pipe wall thickness of optimization hollow member that can be better and the hollow rate of concrete reduce arch rib segment dead weight by a wide margin for the prefabricated assembly ization can be realized, also is favorable to the arch bridge toward more large-span development.
Drawings
FIG. 1: prefabricated hollow sandwich steel pipe concrete multi-limb lattice type arch rib segment schematic diagram
FIG. 2: schematic diagram of prefabricated hollow sandwich concrete filled steel tube arch upright post segment
FIG. 3: hollow sandwich steel pipe concrete main arch ring arch rib construction schematic diagram
FIG. 4: hollow interlayer concrete-filled steel tube column construction schematic diagram
FIG. 5: construction schematic diagram of hollow sandwich steel pipe concrete bridge deck
Wherein: 1-upper chord; 2-lower chord; 3-hollow sandwich steel pipe inner ring steel pipe; 4-concrete in the hollow sandwich steel tube; 5-hollow sandwich steel pipe outer ring steel pipe; 6-vertical web member; 7-diagonal web members; 8-horizontal bracing; 9-column limb of the upright column; 10-upright post cross brace; 11-hollow sandwich steel pipe concrete arch rib segments; 12-left side crossing arch upright post; 13-the right side spans the arch upright post; 14-hoisting the system; 15-full support; 16-abutment; 17-hoisting a system ground anchor; 18-column anchoring means; 19-prefabricating hollow sandwich concrete filled steel tube arch upright post sections; 20-steel box girder bridge deck slab; 21-connecting the joints.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
The following is briefly described with reference to specific embodiments: the bridge is a main span 482m through hollow sandwich steel pipe concrete arch bridge. The main arch ring is divided into 56 sections, 14 arch upright posts are arranged, and the two banks are symmetrically constructed.
The hollow sandwich concrete-filled steel tube arch rib segment is specifically manufactured as follows:
establishing a finite element model through a space with geometric nonlinearity and material nonlinearity, symmetrically dividing each arch rib from the head end to the tail end of the bridge into 56 hoisting sections in the finite element model, and sequentially numbering No. 1, No. 2 and No. 3 from the left to the right in a striding manner; 14 arch upright posts are arranged, and numbers of No. 1, No. 2 and No. 3 are sequentially numbered from the left side to the right side.
And (2) respectively manufacturing each section of multi-limb lattice type hollow sandwich steel tube concrete arch rib section 11, wherein as shown in figure 1, each arch rib section 11 mainly comprises an upper chord member 1, a lower chord member 2, a vertical web member 6, an inclined web member 7 and a cross brace 8, and the main materials are a hollow sandwich steel tube inner ring steel tube 3, a hollow sandwich steel tube outer ring steel tube 5 and hollow sandwich steel tube inner concrete 4. According to the embodiment, the diameter of the outer layer steel pipe of the hollow sandwich steel pipe is 1360mm, the diameter of the inner layer steel pipe of the hollow sandwich steel pipe is 462mm, and the steel pipe and each connection rod piece are welded to form the multi-limb lattice type hollow sandwich steel pipe arch rib segment 11. And a connecting joint 21 with a grouting hole and a pressure relief hole is welded at two ends of the multi-limb lattice type hollow sandwich steel pipe arch rib segment 11, the positions of the outer ring and the inner ring steel pipes can be fixed, and the inner ring steel pipes are sealed to prevent concrete from flowing in. Then C50 micro-expansion concrete is poured into the upper and lower chord hollow sandwich steel tubes of the arch rib segment 11, and the multi-limb lattice type hollow sandwich steel tube concrete arch rib segment 11 is formed after the mechanical properties are stable.
The concrete-filled steel tube arched column sections 19 with the hollow interlayers are respectively manufactured, as shown in fig. 2, the prefabricated concrete-filled steel tube arched column sections 19 with the hollow interlayers are of truss structures, the column limbs 9 of the columns are hollow interlayer steel tubes, the diameter of outer steel tubes of the hollow interlayer steel tubes is 860mm, the diameter of inner steel tubes of the hollow interlayer steel tubes is 300mm, the column limbs 9 of the columns and the column cross braces 10 are welded to form steel tube truss sections, connecting joints 21 with grouting holes and pressure relief holes are welded to two ends of the column sections of the multi-limb lattice type hollow interlayer steel tubes, the positions of outer ring steel tubes and inner ring steel tubes can be fixed, and the inner ring steel tubes are sealed to prevent concrete from flowing in. C50 micro-expansion concrete is poured into the upright column limb 9, and the hollow sandwich steel tube concrete arch upright column section 19 is formed after mechanical properties are stabilized.
The concrete construction of the prefabricated hollow interlayer steel pipe concrete arch bridge comprises the following steps:
1. the construction method is symmetrical construction on both sides. And excavating a construction sidewalk, leveling a construction site, and facilitating arch support pouring, tower crane approach and subsequent support erection. Excavating and casting arch foundation in situ, protecting side slope, and constructing anchor and approach bridge
2. The method comprises the steps that the hollow sandwich steel pipe concrete arch rib sections 1, 2, 55 and 56 are symmetrically hoisted on two banks by using a truck crane, the hollow sandwich steel pipe concrete arch rib sections 1 and 55 are temporarily hinged with left and right arch bases 16 respectively, the arch rib section 2 11 and the arch rib section 1 11 can be automatically connected through a connecting joint 21, the arch rib section 55 and the arch rib section 56 11 are automatically connected through the connecting joint 21, and the full-hall support 15 is erected at the lower part of the arch rib section 1, 2, 55 and 56 after the arch rib section 11 is connected. And after the full framing of the full framing 15 is finished, hoisting the prefabricated hollow sandwich concrete filled steel tube arch upright post sections 19 by using a tower crane to form a left arch upright post 12 and a right arch upright post 13, connecting the upright posts with upright post anchoring devices 18 by using buckling cables, installing hoisting and buckling tower frames at the tops of the upright posts, erecting a hoisting system 14, and connecting the hoisting system 14 with a hoisting system ground anchor 17.
3. Hoisting and installing the hollow sandwich steel pipe concrete arch rib sections 11 by using a hoisting system 14, wherein the hoisting sequence is that the construction is symmetrical from side span to mid span, buckling, hanging and anchoring are carried out, and when the installation of No. 10 and No. 47 hollow sandwich steel pipe concrete arch rib sections 11 is finished, the arch feet are sealed by pouring concrete; continuing to install the arch rib segments 11 section by section until the closure segment; and (3) closing the main arch ring by using an instant closing device, gradually loosening the buckling cables after closing, pouring concrete into each joint connecting joint 21, and loosening the last-stage buckling cable when new concrete reaches the designed strength.
4. And hoisting the arched prefabricated hollow sandwich concrete filled steel tube arched upright column sections 19 by using the hoisting system, installing the sections, and constructing other upright columns from side span to midspan.
5. And after the construction of the upright posts is finished, hoisting the steel box girder bridge deck 20 according to the symmetrical construction principle, and finally finishing the bridge deck connected with the boundary pier and the left side span arch upright post 12 and the right side span arch upright post 13 on the approach bridge.
6. And (5) after the construction of the hollow sandwich concrete-filled steel tube arch bridge main body is finished, dismantling the hoisting system and the bottom full support. Installing bridge deck steel guardrails and constructing bridge deck asphalt. And (5) performing anticorrosive treatment on the full-bridge steel structure and completing.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The prefabricated assembled hollow sandwich concrete filled steel tube arch bridge comprises a prefabricated bridge deck, prefabricated hollow sandwich concrete filled steel tube arch upright post sections and prefabricated hollow sandwich concrete filled steel tube arch rib sections; the prefabricated hollow sandwich concrete-filled steel tube arch upper column sections and the prefabricated hollow sandwich concrete-filled steel tube arch rib sections are poured with concrete in the prefabricating stage.
2. The precast assembled hollow sandwich concrete filled steel tube arch bridge of claim 1. The method is characterized in that: the prefabricated hollow sandwich steel tube concrete arch rib segment is of a multi-limb lattice structure, the upper chord and the lower chord of the arch rib segment are hollow sandwich steel tubes, the upper chord and the lower chord are welded with each connection member to form the prefabricated multi-limb lattice arch rib segment, the end parts of the upper chord and the lower chord of the arch rib are welded with connecting joints, the middle part of the upper chord is welded with an upright post inserting box, then concrete is poured into the upper chord and the lower chord of the arch rib to form a section in a steel tube-concrete-steel tube form, and the hollow sandwich steel tube concrete arch rib segment is formed after the mechanical property is stable.
3. The precast assembled hollow sandwich concrete filled steel tube arch bridge of claim 1. The method is characterized in that: the prefabricated hollow sandwich concrete filled steel tube arched upright post segment is of a truss structure, the column limb is a hollow sandwich steel tube, the column limb and the steel tube cross brace are welded to form a steel tube truss segment, the end part of the column limb is welded with a connecting joint, then concrete is poured into the column limb, and the hollow sandwich concrete filled steel tube arched upright post segment is formed after mechanical properties are stable.
4. The precast assembled hollow sandwich concrete filled steel tube arch bridge of claim 1. The method is characterized in that: the connecting joints are welded to two ends of an arch rib of the multi-limb lattice type hollow sandwich concrete-filled steel tube arch bridge and two ends of an arch upright steel framework of the truss type hollow sandwich concrete-filled steel tube arch bridge, can fix the positions of an outer ring steel tube and an inner ring steel tube, seals the inner ring steel tube to prevent concrete from flowing in, and realizes automatic connection between arch rib sections when a main arch ring is assembled.
5. The precast assembled hollow sandwich concrete filled steel tube arch bridge of claim 1. The method is characterized in that: in the prefabricated assembled hollow sandwich concrete-filled steel tube arch bridge, left and right side span arch upright columns need to bear loads such as a hoisting system and the like, and the prefabricated assembled hollow sandwich concrete-filled steel tube arch bridge needs higher strength than other upright columns, and the strength requirement of steel tubes and concrete is higher; when the arch rib sections connected with the left and right side span arch upper upright posts are prefabricated, the vertical web members are of a solid steel pipe concrete structure.
6. The construction method of the prefabricated hollow sandwich concrete-filled steel tube arch bridge comprises the following steps:
(1) establishing a finite element model through a space of geometric nonlinearity and material nonlinearity, symmetrically dividing each arch rib from the head end to the tail end of the bridge into a plurality of hoisted sections in the finite element model, and determining the number of the arch columns;
(2) prefabricating hollow interlayer steel pipe concrete arch rib sections, hollow interlayer steel pipe concrete arch upright column sections and bridge decks;
(3) temporarily hinging the left and right side-span arch rib sections of the hollow sandwich layer concrete-filled steel tube with arch feet, using an automobile crane to construct the side-span two arch upright posts, connecting and fixing the side-span two arch upright posts to the corresponding arch ribs through upright post inserting boxes welded at the middle parts of the upper chords of the corresponding arch ribs, erecting a hoisting system on the upright posts after the construction is finished, and hoisting the rest hollow sandwich layer concrete-filled steel tube arch ribs and the arch upright post sections one by one;
(4) the method comprises the following steps that automatic connection of two adjacent hollow sandwich steel pipe concrete arch rib sections is realized through a connecting joint, then concrete is poured into the connecting joint to ensure bonding and force transmission among arch ribs, and the arch rib sections are connected section by section from the side span arch rib section to the closure arch rib section;
(5) using an instant closure device to close the left arch rib section and the right arch rib section;
(6) after the main arch ring is closed, the hollow sandwich concrete filled steel tube arch upright post is hoisted by using a hoisting system on the side-span upright post, the sections of the adjacent two sections of hollow sandwich concrete filled steel tube arch upright posts are automatically connected through a connecting joint, then concrete is poured into the connecting joint to ensure the bonding and force transfer between arch ribs, and finally the bridge deck is hoisted by using the hoisting system on the side-span upright post.
7. The construction method of the precast assembled hollow sandwich concrete filled steel tube arch bridge according to claim 6, characterized in that: before hoisting construction is carried out on the hollow interlayer steel pipe concrete arch rib sections, chiseling treatment is carried out on the concrete end parts in the hollow interlayer steel pipe concrete arch rib sections in a construction site, and after the main arch rings are closed, concrete is poured into each connecting joint to ensure connection and force transmission.
8. The construction method of the precast assembled hollow sandwich concrete filled steel tube arch bridge according to claim 6, characterized in that: the side span arch rib segment is in a cantilever state during hoisting construction, a full support is arranged at the lower part of the side span arch rib segment to balance bending moment and vertical gravity, a lock catch of the left and right side span arch upright posts is connected with a ground anchor after the left and right side span arch upright posts are installed, and hoisting systems are erected on the left and right side span arch upright posts.
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| CN115992490A (en) * | 2023-03-23 | 2023-04-21 | 中铁十七局集团第五工程有限公司 | Pouring construction method for cable-stayed buckling hanging cantilever of large-span concrete arch bridge |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054791A (en) * | 2007-05-09 | 2007-10-17 | 华东交通大学 | Joist type cable arch bridge structure and its construction method |
| CN201459916U (en) * | 2009-05-27 | 2010-05-12 | 清华大学 | Novel curved hollow double-layer steel pipe combined structure partly filled with concrete |
| CN102094386A (en) * | 2011-03-30 | 2011-06-15 | 长安大学 | PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch |
| CN102418315A (en) * | 2011-09-30 | 2012-04-18 | 长沙理工大学 | Construction method for concrete-filled steel tube arched bridge with large low-buckle tower erection bridge width |
| CN102979250A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (structure cabling system) encased structure based on longitudinal stiffening ribs |
| CN203066236U (en) * | 2012-12-27 | 2013-07-17 | 长安大学 | SCS concrete-filled steel tubular structure with through and long inside where PBL stiffening ribs are distributed |
| CN103590321A (en) * | 2013-11-27 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Steel tube truss arch bridge |
| CN105926444A (en) * | 2016-04-22 | 2016-09-07 | 中铁二院工程集团有限责任公司 | Concrete arch bridge arching method |
| CN106758748A (en) * | 2017-02-25 | 2017-05-31 | 中铁十八局集团第二工程有限公司 | Long-Span Concrete Filled Steel Tubular Arch Bridges structure |
| CN106758837A (en) * | 2016-12-24 | 2017-05-31 | 中铁十八局集团有限公司 | A kind of Inclined cable-stayed construction system of combination spandrel column |
| CN108532465A (en) * | 2018-04-20 | 2018-09-14 | 中交第三航务工程局有限公司 | A kind of construction method of Through Steel case arch bridge |
| CN208039001U (en) * | 2018-03-23 | 2018-11-02 | 中铁二院工程集团有限责任公司 | Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch |
| CN108867375A (en) * | 2018-06-14 | 2018-11-23 | 张学武 | Anchor system and arch bridge cantilever construction system and method after self-balancing type |
| CN109235285A (en) * | 2018-09-21 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of LONG-SPAN RAILWAY reinforced concrete arch bridge cantilever pouring system and construction method |
| CN111350123A (en) * | 2020-03-13 | 2020-06-30 | 中铁大桥局第七工程有限公司 | Steel box truss type arch truss segment and support-free assembling and erecting method thereof |
| CN112853993A (en) * | 2021-01-18 | 2021-05-28 | 长沙理工大学 | Large-span suspension bridge assembling construction method |
| CN112942055A (en) * | 2021-03-30 | 2021-06-11 | 广东冠生土木工程技术股份有限公司 | Precast concrete arch bridge and construction method thereof |
| CN113215956A (en) * | 2021-02-28 | 2021-08-06 | 长沙理工大学 | Prefabricated hollow concrete-filled steel tube arch bridge and construction method thereof |
-
2021
- 2021-07-22 CN CN202110828795.5A patent/CN114875769A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054791A (en) * | 2007-05-09 | 2007-10-17 | 华东交通大学 | Joist type cable arch bridge structure and its construction method |
| CN201459916U (en) * | 2009-05-27 | 2010-05-12 | 清华大学 | Novel curved hollow double-layer steel pipe combined structure partly filled with concrete |
| CN102094386A (en) * | 2011-03-30 | 2011-06-15 | 长安大学 | PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch |
| CN102418315A (en) * | 2011-09-30 | 2012-04-18 | 长沙理工大学 | Construction method for concrete-filled steel tube arched bridge with large low-buckle tower erection bridge width |
| CN102979250A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (structure cabling system) encased structure based on longitudinal stiffening ribs |
| CN203066236U (en) * | 2012-12-27 | 2013-07-17 | 长安大学 | SCS concrete-filled steel tubular structure with through and long inside where PBL stiffening ribs are distributed |
| CN103590321A (en) * | 2013-11-27 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Steel tube truss arch bridge |
| CN105926444A (en) * | 2016-04-22 | 2016-09-07 | 中铁二院工程集团有限责任公司 | Concrete arch bridge arching method |
| CN106758837A (en) * | 2016-12-24 | 2017-05-31 | 中铁十八局集团有限公司 | A kind of Inclined cable-stayed construction system of combination spandrel column |
| CN106758748A (en) * | 2017-02-25 | 2017-05-31 | 中铁十八局集团第二工程有限公司 | Long-Span Concrete Filled Steel Tubular Arch Bridges structure |
| CN208039001U (en) * | 2018-03-23 | 2018-11-02 | 中铁二院工程集团有限责任公司 | Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch |
| CN108532465A (en) * | 2018-04-20 | 2018-09-14 | 中交第三航务工程局有限公司 | A kind of construction method of Through Steel case arch bridge |
| CN108867375A (en) * | 2018-06-14 | 2018-11-23 | 张学武 | Anchor system and arch bridge cantilever construction system and method after self-balancing type |
| CN109235285A (en) * | 2018-09-21 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of LONG-SPAN RAILWAY reinforced concrete arch bridge cantilever pouring system and construction method |
| CN111350123A (en) * | 2020-03-13 | 2020-06-30 | 中铁大桥局第七工程有限公司 | Steel box truss type arch truss segment and support-free assembling and erecting method thereof |
| CN112853993A (en) * | 2021-01-18 | 2021-05-28 | 长沙理工大学 | Large-span suspension bridge assembling construction method |
| CN113215956A (en) * | 2021-02-28 | 2021-08-06 | 长沙理工大学 | Prefabricated hollow concrete-filled steel tube arch bridge and construction method thereof |
| CN112942055A (en) * | 2021-03-30 | 2021-06-11 | 广东冠生土木工程技术股份有限公司 | Precast concrete arch bridge and construction method thereof |
Non-Patent Citations (8)
| Title |
|---|
| 冯智;王建军;韩玉;秦大燕;: "施工阶段钢管混凝土拱肋脱黏、脱空防治", 公路, no. 12 * |
| 唐旭光, 谢友均, 钟新谷: "钢管混凝土拱桥施工中的计算机辅助方法", 建筑科学, no. 04 * |
| 孟繁义;: "台风区大跨拱桥拱肋安装过程的动力特性分析", 铁道建筑技术, no. 02 * |
| 徐勇, 马庭林, 陈克坚: "水柏铁路北盘江大桥钢管混凝土拱设计", 中国铁道科学, no. 05 * |
| 涂光亚;付瑶;颜东煌;: "大跨度钢管混凝土拱桥钢管初应力的释放转移", 长沙理工大学学报(自然科学版), no. 01 * |
| 陈冠桦;邓晓红;万麟;: "大跨度上承式钢管混凝土拱桥设计", 世界桥梁, no. 06 * |
| 陈志成;: "钢管混凝土拱桥施工技术", 铁道建筑, no. 03 * |
| 陈红文;: "大跨度钢管混凝土拱桥的施工技术", 中国西部科技, no. 27 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992490A (en) * | 2023-03-23 | 2023-04-21 | 中铁十七局集团第五工程有限公司 | Pouring construction method for cable-stayed buckling hanging cantilever of large-span concrete arch bridge |
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