CN106638323A - Assembling construction method for arch ribs of tied arch bridge - Google Patents
Assembling construction method for arch ribs of tied arch bridge Download PDFInfo
- Publication number
- CN106638323A CN106638323A CN201611259736.6A CN201611259736A CN106638323A CN 106638323 A CN106638323 A CN 106638323A CN 201611259736 A CN201611259736 A CN 201611259736A CN 106638323 A CN106638323 A CN 106638323A
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- Prior art keywords
- crane
- arch rib
- arch
- falsework
- hoisting
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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
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a method or a device exclusively used for erecting or assembling bridges, and to the field of general bridge technology. More specifically, the present invention relates to an assembling construction method for arch ribs of a tied arch bridge comprising the following steps: (1) constructing a box girder; (2) hoisting the arch ribs by means of transporting a crane A to a working surface and using the crane A to hoist sections of the arch ribs; (3) pumping concrete; (4) mounting and inspecting accessories; (5) coating the arch ribs. By coating with the last topcoat after appropriately adjusting a suspender force, only the crane A is needed for hoisting the arch ribs, so that a crane with a larger hoisting load on the ground for hoisting the sections of the arch ribs is not needed, and the hoisting height and hoisting distance of the crane are greatly reduced in the process of hoisting the sections of the arch ribs. In addition, because the crane A with a small hoisting load is used while hoisting the sections of the arch ribs and the crane with the larger hoisting load is only needed for hoisting the crane A, the ground trimming especially for the crane with the larger hoisting load is not needed, so that the construction cost is saved and the construction period is shortened.
Description
Technical field
The present invention relates to be exclusively used in setting up or assembling the method or equipment of bridge and general bridge technology field, specifically
It is related to a kind of bowstring arch bridge arch rib assembling and construction method.
Background technology
Bridge, be for railway, road, channel, pipeline etc. across river, mountain valley or other traffic lines use with carrying
The special manual construction thing of ability, needs larger span, particularly bridge location to hand over railway when bridge needs Midspan sag
When angle is larger, bridge needs the distance crossed over to increase substantially.When bridge is built, due to needing to adopt crane by bridge parts
Lifted, but, when bridge span is larger, bridge vault is higher, needs in arch rib work progress using large-scale crane
Operation is carried out, geographical conditions requirement of the large-scale crane to road and construction site annex is higher, needs to carry out special construction, applies
Work high cost and long construction period.Such as when substantially 53 ° of newly-built bridge location and the existing railway angle of cut, existing railway is electric railway
Embankment 7.6m width, and for electric railway, the vertical positional distance bridge arch top vertical range of crane is higher than 30m, horizontal range
More than 30m, common crane cannot meet arch rib construction requirement, also, be limited by field working conditions condition, according to crane under bridge
（Ground）Operation, needs 300t cranes to meet lifting requirements, and it is higher to enter the road that appears on the scene, assembled site requirements to scene,
The place to job site and road is needed to repair.
The content of the invention
It is an object of the invention to：It is too big so that the vertical positional distance of crane for newly building bridge and the existing railway angle of cut
The vertical range and horizontal range of bridge vault is larger, and newly building bridge two ends can directly transport parts without road
Bridge floor is transported to, so as to need to be carried out using super large crane the problem of arch rib construction, there is provided a kind of bowstring arch bridge arch rib assembling construction
Method, is hoisted to bridge floor and is constructed using large crane by telpher, so as to only need telpher by complete arch rib construction.
To achieve these goals, the technical solution used in the present invention is：
A kind of bowstring arch bridge arch rib assembling and construction method, comprises the following steps：
S1, build box beam：Box beam is built using the method for cast-in-situ box girder, the working face for being capable of operation is formed in box beam；
S2, lifting arch rib：Crane first is transported on the working face, adopts the crane first lifting arch rib to be segmented to form arch
Rib；
S3, pump concrete：Concrete is poured into arch rib sectional pipe using pump；
S4, associate member are installed and checked：Other appurtenances of arch rib erection, and arch rib installation quality is checked, if inspection
Qualified then implementation steps S5 are looked into, rectification is carried out until qualified if detection is unqualified；
S5, arch rib application：Carry out the application of last road finish paint afterwards in place in the adjusting of suspender power.
Preferably, in step s 2, comprise the following steps：
S2.1, the crane first is hoisted to by the working face from ground using crane second；
S2.2, falsework and arch rib segmentation are hoisted into the working face by the crane second, the position of crane second with walk
The position of crane second is identical in rapid S2.1；
S2.3, the falsework is hoisted into mount point with crane first, after the completion of the falsework assembly crane is adopted
First is lifted to the falsework；
S2.4, with crane first by arch rib handling subsection to installation site, and using crane first to arch rib segmentation lift, lift
After the completion of welded, lifting arch rib be segmented when from two ends to central authorities lifting；
In such scheme, falsework is for the support meanss for supporting arch rib to be segmented, industry when arch rib erection is segmented
Interior general based on steel pipe frame column support, at ground, falsework is in state in bulk, can't play a supportive role, and needs
Assembly is wanted to complete that support can be enough in, therefore, the falsework of state in bulk is hoisted to working face by the present embodiment, and in work
Making face uses crane first auxiliary falsework assembled, is lifted by crane first after the completion of assembly.The present embodiment adopts crane second
By crane first, falsework and the same position of arch rib handling subsection to working face, then carried out turning on working face with crane first
Fortune, so as to be transported to mount point, therefore, crane second need not be mobile in operation process, so as to arrange special for crane second
Runway, because the deadweight of crane second is excessive, and ground is soil, and to crane, Bank B is walked, and needs to lay the higher cement of hardness,
Engineering is larger, and crane second is not moved and carries out handling, the dedicated Lanes without the need for arranging crane second, and construction cost is lower and constructs week
Phase shortens；It is from two ends to central authorities' lifting, i.e., first to pacify when lifting arch rib is segmented when arch rib erection is segmented in step S2.4
The arch rib segmentation at dress two ends, then the arch rib segmentation of centre is gradually installed.
Preferably, in step 2, step S2.3 and 2.4 is carried out simultaneously, carries out what a interim step S2.3 install
After frame, when by arch rib segmental hoisting in the falsework, while another falsework is installed, thus, building falsework
Carry out simultaneously with lifting arch rib segmentation, construction period can be saved.
Preferably, in step S2.4, from both sides to central authorities' lifting arch rib, when carrying out arch rib and closing up, accurate measurement
Closure transverse plane makes to close up transverse plane, arch and elevation, makes to close up transverse plane, arch and elevation and reaches installation requirement, and
And, joining temperature scope be 5 DEG C～15 DEG C, thus, arch rib close up quality can be up to standard, bulk strength is required to up to standard.
Preferably, in step S2.2, being protected to prevent to the allocation and transportation point of arch rib segmentation before the segmentation of handling arch rib
Steel wire rope scratches the finish paint of arch rib segmentation during handling, so, it is possible to avoid the finish paint that arch rib is segmented to scratch and causes arch rib segmentation life
Rust.
Preferably, in step S2.2, after arch rib handling subsection is to working face, not removing and being arranged in arch rib segmentation
Hook directly handling is carried out using the hook to facilitate in step 2.4, so, it is possible to facilitate the transhipment arch rib segmentation of crane first
Shi Wuxu sends out the time and removes arrangement hook, can save construction period.
Preferably, in step s3, concrete is poured into it is front in arch rib pipe crane first is hoisted into ground, and in step
In rapid S5, crane first is hoisted into the working face before application, and is removed the falsework with the crane first.
In sum, as a result of above-mentioned technical proposal, the beneficial effect of the application is：The lifting of arch rib only needs to hang
Car first, thus, being lifted in the face of arch rib segmentation on ground without the need for the larger crane of lift heavy, when arch rib segmentation is lifted, hangs
The handling height and handling distance of car significantly reduces, also, due to using hanging for little lift heavy when arch rib segmentation is lifted
Car first, it in handling crane first is the crane that needs big lift heavy to be only, it is therefore not necessary to ground is repaired exclusively for the crane of big lift heavy,
Save construction cost and shorten construction period.
Description of the drawings
Fig. 1 is the top view of the application work progress；
Fig. 2 is different from another kind of Construction State in Fig. 1, front view for the application；
Fig. 3 is different from another kind of Construction State in Fig. 1 for the application；
Mark in figure：1- box beams, 11- working faces, 2- railways, 3- crane first, 4- crane second, the segmentation of 5- arch ribs, 6- falseworks.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As Figure 1-3, a kind of bowstring arch bridge arch rib assembling and construction method, comprises the following steps：
S1, build box beam 1：Box beam 1 is built using the method for cast-in-situ box girder, the working face 11 for being capable of operation is formed in box beam 1；
S2, lifting arch rib：Crane first 3 is transported on the working face 11, the lifting of the crane first 3 arch rib segmentation 5 is adopted with shape
Into arch rib；
S3, pump concrete：Concrete is poured into the pipe of arch rib segmentation 5 using pump；
S4, associate member are installed and checked：Other appurtenances of arch rib erection, and arch rib installation quality is checked, if inspection
Qualified then implementation steps S5 are looked into, rectification is carried out until qualified if detection is unqualified；
S5, arch rib application：Carry out the application of last road finish paint afterwards in place in the adjusting of suspender power.
In arch rib erection, because arch rib is huge, therefore arch rib is typically divided into multistage and is transported by this area, is being installed
Shi Caiyong is welded so that multistage arch rib segmentation 5 forms arch rib.
Thus, crane first 3 is hoisted into working face 11 from ground using the larger crane of lift heavy, thus the lifting of arch rib is only
Crane first 3 is needed, thus, as shown in figure 1, in bridge and the larger work progress of the angle of cut of railway 2, bridge and railway 2
A=53 ° of the angle of cut, now carrying out lifting in the face of arch rib segmentation on ground needs larger vertical height and horizontal range, need lift heavy compared with
Big crane, but, by this enforcement, lifted in the face of arch rib segmentation on ground without the need for the larger crane of lift heavy, in lifting arch
When rib is segmented, the handling height and handling distance of crane significantly reduce, also, due to using when lifting arch rib is segmented
The crane first 3 of little lift heavy, it in handling crane first 3 is the crane that needs big lift heavy to be only, it is therefore not necessary to hanging exclusively for big lift heavy
Car repairs ground, saves construction cost and shortens construction period.
Specifically, crane first 3 adopts 50T truck cranes, its deadweight 40.87T, therefore, 300T cranes can be adopted by crane first 3
It is hoisted to working face 11,300T crane radius 16m, the long 35.7m of arm, counterweight 87.5T, specified lift heavy 46.5T can be by crane first
3 handlings.
Further, as shown in Fig. 2 in step s 2, comprise the following steps：
S2.1, the crane first 3 is hoisted to by the working face 11 from ground using crane second 4；
S2.2, falsework 6 and arch rib segmentation 5 are hoisted into the working face 11, the position of crane second 4 by the crane second 4
Put identical with the position of crane second 4 in step S2.1；
S2.3, the falsework 6 is hoisted into mount point with crane first 3, using hanging after the completion of the assembly of the falsework 6
3 pairs of falseworks 6 of car first are lifted；
S2.4, arch rib segmentation 5 is hoisted into installation site with crane first 3, and arch rib segmentation 5 is lifted using crane first 3,
Welded after the completion of lifting, from two ends to central authorities' lifting during lifting arch rib segmentation 5；
Falsework 6, is in arch rib erection segmentation 5 for supporting the support meanss of arch rib segmentation 5, typically with steel in industry
Based on pipe lattice column holder, at ground, falsework 6 is in state in bulk, can't play a supportive role, and needs assembly to complete
Support can be enough in, therefore, the falsework 6 of state in bulk is hoisted to working face 11 by the present embodiment, and in working face 11
It is assembled using the auxiliary falsework 6 of crane first 3, lifted by crane first 3 after the completion of assembly.The present embodiment adopts crane second 4
Crane first 3, falsework 6 and arch rib segmentation 5 is hoisted into the same position of working face 11, then with crane first 3 in working face 11
On be transported through, so as to be transported to mount point, therefore, crane second 4 in operation process without the need for mobile, so as to need not be crane second
4 arrange Special running roads, because crane second 4 is conducted oneself with dignity excessive, and ground is soil, is walked to crane second 4, needs to lay hardness
Higher cement, engineering is larger, and crane second 4 is not moved and carries out handling, the dedicated Lanes without the need for arranging crane second 4, is constructed into
This lower and construction period shortens；In step S2.4, arch rib erection segmentation 5 when, be lifting arch rib segmentation 5 when from two ends to
Central authorities' lifting, i.e., first install the arch rib segmentation 5 at two ends, then the arch rib segmentation 5 for gradually installing centre.
Specifically, crane second 4 is 300T cranes, and crane first 3 can be hoisted to working face 11 by specified lift heavy 46.5T.
Further, as shown in figure 3, in step 2, step S2.3 and 2.4 is carried out simultaneously, is carried out step S2.3 and is installed
After one falsework 6, when arch rib segmentation 5 is lifted on into the falsework 6, while another falsework 6 is installed, such as
This, builds falsework 6 and lifting arch rib segmentation 5 while carrying out, and can save construction period.
Further, in step S2.4, from both sides to central authorities' lifting arch rib, when carrying out arch rib and closing up, accurate measurement
Closure transverse plane makes to close up transverse plane, arch and elevation, makes to close up transverse plane, arch and elevation and reaches installation requirement, and
And, joining temperature scope be 5 DEG C～15 DEG C, thus, arch rib close up quality can be up to standard, bulk strength is required to up to standard.
Further, in step S2.2, handling arch rib segmentation 5 before to arch rib segmentation 5 allocation and transportation point protected in case
Only steel wire rope scratches the finish paint of arch rib segmentation 5 during handling, so, it is possible to avoid the finish paint of arch rib segmentation 5 to scratch and cause arch rib point
Section 5 is got rusty.
Further, in step S2.2, after arch rib segmentation 5 is hoisted to working face 11, does not remove and be arranged on arch rib point
Hook in section 5 directly carries out handling to facilitate in step 2.4 using the hook, so, it is possible to facilitate the transhipment arch of crane first 3
Arrangement hook need not be removed during rib segmentation 5 time, construction period can be saved.
Further, in step s3, concrete is poured into it is front in arch rib pipe crane first 3 is hoisted into ground, and
In step S5, crane first 3 is hoisted into the working face 11 before application, and is torn open the falsework 6 with the crane first 3
Remove, because the limited area of working face 11, larger work-yard is needed in filling concrete, therefore crane first 3 is hoisted to
Ground, and when falsework 6 is removed, and crane first 3 is hoisted into working face 11 with assist removal.
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in
Within protection scope of the present invention.
Claims (7)
1. a kind of bowstring arch bridge arch rib assembling and construction method, it is characterised in that comprise the following steps：
S1, build box beam（1）：Box beam is built using the method for cast-in-situ box girder（1）, in box beam（1）The work of operation is capable of in upper formation
Make face（11）；
S2, lifting arch rib：By crane first（3）It is transported to the working face（11）On, using the crane first（3）Lifting arch rib segmentation
（5）To form arch rib；
S3, pump concrete：Concrete is poured into by arch rib segmentation using pump（5）In pipe；
S4, associate member are installed and checked：Other appurtenances of arch rib erection, and arch rib installation quality is checked, if inspection
Qualified then implementation steps S5 are looked into, rectification is carried out until qualified if detection is unqualified；
S5, arch rib application：Carry out the application of last road finish paint afterwards in place in the adjusting of suspender power.
2. construction method according to claim 1, it is characterised in that in step s 2, comprise the following steps：
S2.1, using crane second（4）By the crane first（3）The working face is hoisted to from ground（11）；
S2.2, by falsework（6）With arch rib segmentation（5）By the crane second（4）It is hoisted to the working face（11）, crane
Second（4）Position and step S2.1 in crane second（4）Position it is identical；
S2.3, use crane first（3）By the falsework（6）Mount point is hoisted to, in the falsework（6）After the completion of assembly
Using crane first（3）To the falsework（6）Lifted；
S2.4, use crane first（3）Arch rib is segmented（5）Installation site is hoisted to, and using crane first（3）(5) are segmented to arch rib
Lifted, welded after the completion of lifting, lifting arch rib segmentation（5）When from two ends to central authorities lifting.
3. construction method according to claim 2, it is characterised in that in step 2, step S2.3 and 2.4 is carried out simultaneously,
Carry out what a falsework is step S2.3 install（6）Afterwards, arch rib is being segmented（5）It is lifted on the falsework（6）When, while
Another falsework is installed（6）.
4. the construction method according to Claims 2 or 3, it is characterised in that in step S2.4, from both sides to central authorities' lifting
Arch rib, when carrying out arch rib and closing up, accurate measurement closure transverse plane makes to close up transverse plane, arch and elevation, makes to close up and holds level with both hands
Face, arch and elevation reach installation requirement, also, joining temperature scope is 5 DEG C～15 DEG C.
5. the construction method according to claim 2-4 any one, it is characterised in that in step S2.2, handling arch rib
Segmentation（5）It is front that arch rib is segmented（5）Allocation and transportation point protected with prevent steel wire rope during handling scratch arch rib segmentation（5）Face
Paint.
6. the construction method according to claim 2-5 any one, it is characterised in that in step S2.2, when arch rib point
Section（5）It is hoisted to working face（11）Afterwards, do not remove and be arranged on arch rib segmentation（5）On hook facilitating in step 2.4 directly
Handling is carried out using the hook.
7. the construction method according to claim 1-5 any one, it is characterised in that in step s3, by concrete
Pour into front by crane first in arch rib pipe（3）It is hoisted to ground, and in step s 5, by crane first before application（3）It is hoisted to institute
State working face（11）, and with the crane first（3）By the falsework（6）Remove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259736.6A CN106638323B (en) | 2016-12-30 | 2016-12-30 | A kind of bowstring arch bridge arch rib assembling and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259736.6A CN106638323B (en) | 2016-12-30 | 2016-12-30 | A kind of bowstring arch bridge arch rib assembling and construction method |
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| CN106638323A true CN106638323A (en) | 2017-05-10 |
| CN106638323B CN106638323B (en) | 2018-07-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022947A (en) * | 2017-05-17 | 2017-08-08 | 河海大学 | A kind of pre-buried shaped steel carvel joint bolt type connection locator of the prefabricated arch rib of concrete segment and its construction method |
| CN107841932A (en) * | 2017-10-19 | 2018-03-27 | 中国建筑土木建设有限公司 | Method for manufacturing, installing and positioning tied arch bridge arch rib segment |
| CN108660935A (en) * | 2018-05-29 | 2018-10-16 | 广西路桥工程集团有限公司 | A kind of construction method of reinforced concrete arch bridge |
| CN110362953A (en) * | 2019-07-25 | 2019-10-22 | 中铁五局集团机械化工程有限责任公司 | A kind of steel pipe arch bridge main arch rib installs linear Interactive control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022947A (en) * | 2017-05-17 | 2017-08-08 | 河海大学 | A kind of pre-buried shaped steel carvel joint bolt type connection locator of the prefabricated arch rib of concrete segment and its construction method |
| CN107022947B (en) * | 2017-05-17 | 2018-12-18 | 河海大学 | A kind of pre-buried fashioned iron carvel joint bolt type connection locator of the prefabricated arch rib of concrete segment and its construction method |
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| CN108660935A (en) * | 2018-05-29 | 2018-10-16 | 广西路桥工程集团有限公司 | A kind of construction method of reinforced concrete arch bridge |
| CN108660935B (en) * | 2018-05-29 | 2019-11-26 | 广西路桥工程集团有限公司 | A kind of construction method of reinforced concrete arch bridge |
| CN110362953A (en) * | 2019-07-25 | 2019-10-22 | 中铁五局集团机械化工程有限责任公司 | A kind of steel pipe arch bridge main arch rib installs linear Interactive control method |
| CN110362953B (en) * | 2019-07-25 | 2020-10-02 | 中铁五局集团机械化工程有限责任公司 | Interactive control method for main arch rib installation line shape of steel pipe arch bridge |
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