CN105839546A - Arch rib buckling and hanging installing structure of steel pipe arch bridge - Google Patents

Arch rib buckling and hanging installing structure of steel pipe arch bridge Download PDF

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Publication number
CN105839546A
CN105839546A CN201610381238.2A CN201610381238A CN105839546A CN 105839546 A CN105839546 A CN 105839546A CN 201610381238 A CN201610381238 A CN 201610381238A CN 105839546 A CN105839546 A CN 105839546A
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CN
China
Prior art keywords
steel pipe
arch
semicircle
buckling
arch rib
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Application number
CN201610381238.2A
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Chinese (zh)
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CN105839546B (en
Inventor
岳文军
武亚超
程波
宋大成
王栋
张鹏勃
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中交四公局第五工程有限公司
中交第四公路工程局有限公司
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Priority to CN201610381238.2A priority Critical patent/CN105839546B/en
Publication of CN105839546A publication Critical patent/CN105839546A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D4/00Arch-type bridges

Abstract

The invention is mainly used for a technology of oblique-pulling buckling and hanging of main arch rib cantilever splicing of a steel pipe concrete arch bridge, and particularly relates to an arch rib buckling and hanging installing structure of a steel pipe arch bridge. A main arch steel pipe of the steel pipe arch bridge is provided with a hoop system, the hoop system comprises two symmetrical semicircular hoop units, the semicircular hoop units are arranged on an upper layer arch rib, a semicircular wrapping plate directly wraps the main arch steel pipe, connecting plates are arranged on the two sides of the semicircular wrapping plate to perform bolted connection of two semicircular hoop units, the connecting plates are provided with bolt pin holes, the bolt pin holes enable an anchor box to be connected with a hoop through pin shafts, and a buckling and hanging cable is anchored into the anchor box. The installing operation is simple and convenient, a temporary buckling point of the steel pipe arch bridge can be installed in a time-saving and labor-saving mode, construction operations such as welding of lifting lugs to a main arch rib are avoided, and the influences, such as unevenness of stress to a main arch, which are caused by residual stress and the like resulting from welding are reduced. The arch rib buckling and hanging installing structure of the steel pipe arch bridge has the advantages of being reasonable in structural design, favorable for structural safety and stability, simple to operate and low in construction cost.

Description

A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure

Technical field

Present invention is mainly used for the Inclined cable-stayed technology of CFST Arch Bridge main arch rib free cantilever erection, particularly relate to a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure.

Background technology

Along with the constantly bringing forth new ideas of span bridge construction technology, the improving constantly of environmental requirement, crossing over the Large Span Bridges such as reservoir, navigable river, precipitous valley and be constantly used, CFST Arch Bridge is exactly wherein to fit to select one of bridge type;Use hang without support cantilever button install, structure is complicated, construction sections is many, in the work progress of the steel pipe arch bridge of weight super large, in main arch rib Inclined cable-stayed system, the form of interim button plays large effect to the operation in work progress.

At present the technology of steel tube arch rib sections Inclined cable-stayed mainly has on the direct cluster of steel wire rope, main arch steel pipe and welds hanger formula and carry out welding and complete cantilever and install.It is higher that steel wire rope direct binding method construction can produce steel cable sliding security risk, main arch steel pipe welds main arch rib is caused welding damage by the hanger method construction welding structure such as hanger and ribbed stiffener, deformation is relatively big, it is complex to dismantle.

Summary of the invention

The purpose of invention: in order to provide a kind of effect more preferable steel pipe arch bridge arch rib buckling and hanging mounting structure, specific purposes are shown in the multiple substantial technological effects being embodied as part.

In order to reach as above purpose, the present invention adopts the following technical scheme that:

A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure, it is characterized in that, steel pipe arch bridge main arch steel pipe is provided with anchor ear system, anchor ear system comprises two symmetrical semicircle anchor ear unit, and semicircle anchor ear unit is arranged on upper strata arch rib, and semicircle wrapper sheet directly wraps up main arch steel pipe, semicircle wrapper sheet both sides arrange connecting plate and two semicircle anchor ears are carried out bolt connection, arranging pin hole on connecting plate, anchor case is connected by bearing pin by pin hole with anchor ear, and button lashed cable rope is anchored in anchor case.

The further technical scheme of the present invention is, filled rubber pad between described semicircle wrapper sheet and main arch steel pipe.

The further technical scheme of the present invention is, described semicircle wrapper sheet arranges three road semicircle ribbed stiffeners.

The further technical scheme of the present invention is, described connecting plate and semicircle wrapper sheet junction are provided with reinforcing plate and carry out reinforcement.

The further technical scheme of the present invention is, is provided with stiffening ring and carries out reinforcement outside described pin hole.

The further technical scheme of the present invention is, described main arch steel pipe comprises contact platform, contact platform comprises contact groove, semicircle wrapper sheet comprises contact projection, and contact groove and contact projection can dock and fixing main arch steel pipe.

The further technical scheme of the present invention is, described semicircle wrapper sheet comprises clamp groove, can clamp heat-preservation cotton in described clamp groove, and heat-preservation cotton is distributed between more than one anchor ear system and is coated on main arch steel pipe.

Use the present invention of as above technical scheme, have the advantages that relative to prior art: present configuration design is simply similar to the principle of the anchor ear method of pier stud bent cap construction, structure stress calculates clearly, rationally, by adjusting the articulated position of anchor case and anchor ear, button can be avoided during hanging arch rib erection, arch rib to be deformed, it is simple and convenient that constructing operation only carries out installation exercise, the installation of the interim button point completing steel pipe arch bridge that can be time saving and energy saving, and avoid on main arch rib, weld the constructing operation such as hanger, main arch generation unbalanced stress etc. is affected by the residual stress etc. reducing welding generation.There is reasonable in design, be conducive to that structural safety is stable, simple to operate and the advantage such as construction cost is relatively low.

Accompanying drawing explanation

In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings:

Fig. 1 is monoblock type button point structural texture figure;

Fig. 2 is each unit part drawing;

Fig. 3 is one of main arch steel pipe embodiment;

Fig. 4 is one of side enforcement structure that can place insulation construction;

Wherein: 1 semicircle wrapper sheet, 2 semicircle ribbed stiffeners, 3 connecting plates, 3-1 connecting plate, 4-1 reinforcing plate, 5 stiffening rings, 6 limiting plates, 7 anchor casees, 8 bearing pins;9. main arch steel pipe;10. contact platform;11. contact grooves;12. clamp groove.

Detailed description of the invention

Illustrating embodiments of the invention below in conjunction with the accompanying drawings, embodiment is not construed as limiting the invention:

A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure, it is characterized in that, steel pipe arch bridge main arch steel pipe is provided with anchor ear system, anchor ear system comprises two symmetrical semicircle anchor ear unit, and semicircle anchor ear unit is arranged on upper strata arch rib, and semicircle wrapper sheet directly wraps up main arch steel pipe, semicircle wrapper sheet both sides arrange connecting plate and two semicircle anchor ears are carried out bolt connection, arranging pin hole on connecting plate, anchor case is connected by bearing pin by pin hole with anchor ear, and button lashed cable rope is anchored in anchor case.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: present configuration design is simply similar to the principle of the anchor ear method of pier stud bent cap construction, structure stress calculates clearly, rationally, by adjusting the articulated position of anchor case and anchor ear, button can be avoided during hanging arch rib erection, arch rib to be deformed, it is simple and convenient that constructing operation only carries out installation exercise, the installation of the interim button point completing steel pipe arch bridge that can be time saving and energy saving, and avoid on main arch rib, weld the constructing operation such as hanger, main arch generation unbalanced stress etc. is affected by the residual stress etc. reducing welding generation.There is reasonable in design, be conducive to that structural safety is stable, simple to operate and the advantage such as construction cost is relatively low.

The present invention changes interim suspension centre structural arrangement form in the construction of present CFST Arch Bridge sections free cantilever erection, the risk that security risk when avoiding LFM signal is higher, welding is to the damage of main arch steel pipe, solve the problems such as the dismantling operation after arch rib closure is complicated, be the monoblock type button point of a kind of steel pipe arch bridge arch rib buckling and hanging installation.

As further improving, steel pipe arch bridge main arch steel pipe arranges two symmetrical semicircle anchor ear unit, semicircle anchor ear unit is arranged on upper strata arch rib, semicircle anchor ear is that semicircle wrapper sheet directly wraps up main arch steel pipe, and semicircle wrapper sheet arranges three road semicircle ribbed stiffeners, and semicircle wrapper sheet both sides arrange connecting plate and two semicircle anchor ears are carried out bolt connection, connecting plate and semicircle wrapper sheet arrange reinforcing plate and carry out reinforcement, arranging pin hole on connecting plate, be connected by bearing pin with anchor ear by anchor case, button lashed cable rope is anchored in anchor case.

Button point construction operation content is as follows: semicircle anchor ear unit, bearing pin and anchor case use factory's overall processing to make, main arch steel pipe it is arranged on after acceptance(check), two panels semicircle anchor ear unit is with bolts, installing anchor case uses bearing pin to be connected with anchor ear, starts lifting operation and carry out button extension construction after each parts installation inspection is errorless;Having captured existing steel pipe arch bridge and detained that dismounting a little is complicated, the welding procedure operating time is longer temporarily, safety coefficient is relatively low and the problem of the more high aspect of security risk.

In conjunction with Fig. 3, as further improving, described main arch steel pipe comprising contact platform, contact platform comprises contact groove, semicircle wrapper sheet comprises contact projection, contact groove and contact projection can dock and fixing main arch steel pipe.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: outside compared to original main arch steel pipe for smooth structure, this place contacts groove after improving and contact projection can dock and fixing main arch steel pipe, therefore fixing more firm, will not occur slide and unsteady situation is installed.

Comprising clamp groove on described semicircle wrapper sheet, can clamp heat-preservation cotton in described clamp groove, heat-preservation cotton is distributed between more than one anchor ear system and is coated on main arch steel pipe.Technique effect and the process that realizes thereof of the essence that the technical scheme at this place is played are as follows: comparing original heat-preservation cotton cannot change, the structure that cannot be coated with rapidly, use the structure at this place, directly heat-preservation cotton is clamped in clamp groove, heat-preservation cotton just can be installed rapidly, making heat-preservation cotton to change simultaneously, install rapidly, adjustable is higher.Contact platform above in conjunction with has certain thickness structure so that also comprise a layer of air layer between heat-preservation cotton and pipeline so that heat-preservation cotton can be unsettled, becomes from inside to outside for pipeline, air layer and the structure of heat-preservation cotton so that better heat preservation.

It should be noted that above structure not only can be used to install common pipe, it is also possible to be used for fixing and installation and transportation pipeline so that better heat preservation.

In a creative way, each effect above is individually present, moreover it is possible to complete the combination of the above results with a nested structure.

The technique effect that above structure realizes realizes clear, and discounting for additional technical scheme, this patent title can also is that a kind of heat preserving method and structure.Part details not shown in figure.

It should be noted that multiple schemes that this patent provides comprise the basic scheme of itself, separate, the most mutually restrict, but it can also be mutually combined in the case of not conflicting, reach multiple effect and jointly realize.

The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Those skilled in the art is it should be recognized that the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within claimed scope.

Claims (7)

1. a steel pipe arch bridge arch rib buckling and hanging mounting structure, it is characterized in that, steel pipe arch bridge main arch steel pipe is provided with anchor ear system, anchor ear system comprises two symmetrical semicircle anchor ear unit, and semicircle anchor ear unit is arranged on upper strata arch rib, and semicircle wrapper sheet directly wraps up main arch steel pipe, semicircle wrapper sheet both sides arrange connecting plate and two semicircle anchor ears are carried out bolt connection, arranging pin hole on connecting plate, anchor case is connected by bearing pin by pin hole with anchor ear, and button lashed cable rope is anchored in anchor case.
2. a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure as claimed in claim 1, it is characterised in that filled rubber pad between described semicircle wrapper sheet and main arch steel pipe.
3. a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure as claimed in claim 1, it is characterised in that three road semicircle ribbed stiffeners are set on described semicircle wrapper sheet.
4. a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure as claimed in claim 1, it is characterised in that described connecting plate and semicircle wrapper sheet junction are provided with reinforcing plate and carry out reinforcement.
5. a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure as claimed in claim 1, it is characterised in that be provided with stiffening ring outside described pin hole and carry out reinforcement.
6. a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure as claimed in claim 1, it is characterized in that, described main arch steel pipe comprises contact platform, contact platform comprises contact groove, comprising contact projection on semicircle wrapper sheet, contact groove and contact projection can dock and fixing main arch steel pipe.
7. a kind of steel pipe arch bridge arch rib buckling and hanging mounting structure as described in claim 1 or 6, it is characterized in that, comprising clamp groove on described semicircle wrapper sheet, can clamp heat-preservation cotton in described clamp groove, heat-preservation cotton is distributed between more than one anchor ear system and is coated on main arch steel pipe.
CN201610381238.2A 2016-06-01 2016-06-01 A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure CN105839546B (en)

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CN201610381238.2A CN105839546B (en) 2016-06-01 2016-06-01 A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638266A (en) * 2016-12-21 2017-05-10 广州大学 Concrete filled steel tube arch bridge arch rib hoisting buckle and hoisting method
CN107806018A (en) * 2017-10-31 2018-03-16 信阳师范学院 For rushing to repair the rapidly-assembled small span arch bridge and construction technology of rush construction

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981024U (en) * 1972-10-28 1974-07-13
CN1673459A (en) * 2004-03-24 2005-09-28 大连理工大学 Integrated hoisting method and special slings for steel pipe concrete flexible cable arch bridge
CN1851137A (en) * 2006-04-27 2006-10-25 中铁一局集团有限公司 Gate-type crane semiarch integral-hoisting steel-pipe arch process
CN102367650A (en) * 2011-08-05 2012-03-07 中铁一局集团厦门建设工程有限公司 Construction method of steel pipe arch bridge
CN203202515U (en) * 2013-02-20 2013-09-18 无锡新凌管道设备有限公司 Efficient insulated pipe bracket
CN205711771U (en) * 2016-06-01 2016-11-23 中交四公局第五工程有限公司 A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4981024U (en) * 1972-10-28 1974-07-13
CN1673459A (en) * 2004-03-24 2005-09-28 大连理工大学 Integrated hoisting method and special slings for steel pipe concrete flexible cable arch bridge
CN1851137A (en) * 2006-04-27 2006-10-25 中铁一局集团有限公司 Gate-type crane semiarch integral-hoisting steel-pipe arch process
CN102367650A (en) * 2011-08-05 2012-03-07 中铁一局集团厦门建设工程有限公司 Construction method of steel pipe arch bridge
CN203202515U (en) * 2013-02-20 2013-09-18 无锡新凌管道设备有限公司 Efficient insulated pipe bracket
CN205711771U (en) * 2016-06-01 2016-11-23 中交四公局第五工程有限公司 A kind of steel pipe arch bridge arch rib buckling and hanging mounting structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
蔡亮: ""中等跨度钢管混凝土简支系杆拱桥施工控制方法",蔡亮,结构工程师,第4期,第141页-第146页", 《结构工程师》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638266A (en) * 2016-12-21 2017-05-10 广州大学 Concrete filled steel tube arch bridge arch rib hoisting buckle and hoisting method
CN107806018A (en) * 2017-10-31 2018-03-16 信阳师范学院 For rushing to repair the rapidly-assembled small span arch bridge and construction technology of rush construction
CN107806018B (en) * 2017-10-31 2019-01-22 信阳师范学院 For repairing the rapidly-assembled small span arch bridge and construction technology of rush construction

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