CN107217599A - Across Business Line steel and concrete structure transom pier gooseneck partial installation construction method - Google Patents
Across Business Line steel and concrete structure transom pier gooseneck partial installation construction method Download PDFInfo
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- CN107217599A CN107217599A CN201710434543.8A CN201710434543A CN107217599A CN 107217599 A CN107217599 A CN 107217599A CN 201710434543 A CN201710434543 A CN 201710434543A CN 107217599 A CN107217599 A CN 107217599A
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- gooseneck
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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
Abstract
The invention discloses across Business Line steel and concrete structure transom pier gooseneck partial installation construction method, following construction procedure is specifically included：The pre-buried installation of fixing steel plate and bridge pier concrete construction；Steel strut is lifted；Concrete pouring construction；Gooseneck is lifted；Accessory structure is installed.The beneficial effects of the invention are as follows：Speed of application of the present invention is fast, and it is short to put the engineering time, disturbs few to Business Line operation, security risk is small；Girder steel processing in, on-site consolidation, steel strut installation accuracy are high, and gooseneck lifting construction site requirements is small.
Description
Technical field
It is across Business Line steel and concrete structure transom pier gooseneck point specifically the present invention relates to railway engineering technology field
Body construction method of installation.
Background technology
High-speed railway, inter-city passenger rail are in the small angle scissors crossing with existing Business Line, to ensure existing Business Line
Normal pass and safety, are a kind of conveniently methods using the existing line of gate-type pier structure, and transom pier plastic simplicity is slim and graceful, surely
It is qualitative good, but commonly use the restraining factors such as the busy Business Line security risk of leap is high, to put engineering time length, construction site is narrow and small.
The content of the invention
It is an object of the invention to provide across Business Line steel and concrete structure transom pier gooseneck partial installation construction method, construction
Speed is fast, and it is short to put the engineering time, disturbs few to Business Line operation, security risk is small；Girder steel processing, on-site consolidation, steel in
Pillar installation accuracy is high, and gooseneck lifting construction site requirements is small.
The present invention is achieved through the following technical solutions：Across Business Line steel and concrete structure transom pier gooseneck partial installation construction party
Method, specifically includes following construction procedure：
Step S1：The pre-buried installation of fixing steel plate and bridge pier concrete construction；
Step S2：Steel strut is lifted；
Step S3：Concrete pouring construction；
Step S4：Gooseneck is lifted.
Operation principle：Transom pier girder steel is carried out to be decomposed into left and right steel strut and the part of gooseneck three, passes through concrete pier
In post once, secondary built-in location steel plate connection steel strut, steel strut part is connected with concrete column using plug-in type, steel strut
Extension sets " Z " font to overlap interface in gooseneck side, integrally welded therewith after gooseneck lifting positioning, makes steel horizontal
Beam, steel strut and performance of concrete column confined are combined as a whole, and form transom pier.
Further, in order to preferably realize the present invention, the fixing steel plate is by two block sizes and structure identical first
Layer steel plate and second layer steel plate composition；The step S1 is specifically referred to：First layer steel plate is installed in basic unit first, by bridge pier coagulation
It is native to pour for the first time to first layer steel plate, second layer steel plate is installed, after second layer steel plate adjusts absolute altitude, axial location again
Carry out second of concreting.
Further, in order to preferably realize the present invention, progress steel strut is hung after bridge pier concrete meets intensity requirement
Dress, specifically includes following construction procedure：
Step S21：Before lifting, steel column " ten " word axis is marked on bottom plate, pier stud " ten " word is marked on built-in location steel plate
Axis；
Step S22：Lifting；The lifting is specifically referred to：Make to mark steel column " ten " word axis on bottom plate with being marked on fixing steel plate
Pier stud " ten " word axis overlaps and uses bolt to fix steel strut and fixing steel plate；
Step S23：Using total station survey steel strut and the position relationship of pre-buried location-plate；It is simultaneously pre-buried very heavy on pier stud
Top.
Further, in order to preferably realize the present invention, the step S3 is specifically referred to：In the left and right sides, steel strut is installed
After the completion of, monitoring is measured, steel strut position and absolute altitude is adjusted, the outer reinforcing bar colligation of steel strut is carried out, shuttering is mixed
Solidifying soil pouring construction.
Further, in order to preferably realize the present invention, the step S4 goosenecks lifting specifically includes following construction step
Suddenly：
Step S41：Before lifting transverse reference line is marked in gooseneck top and bottom；
Step S42：Lifting；
Step S43：Lifting；Lifting when, drive gooseneck transverse reference line and steel strut datum line on the same line,
The absolute altitude at control point is adjusted simultaneously；
Step S44：Welding.
Further, in order to preferably realize the present invention, the step S44 specifically includes following construction procedure：
Step S441：Horse plate and web are made, is rigidly connected using horse plate and web, makes gooseneck and steel strut or so space bit
Put fixation；
Step S442：" 7 " word horse plate is arranged in gooseneck top plate, is adjusted and is marked on top plate upper-lower position, top plate using jack
The longitudinal and transverse datum line of segmentation and absolute altitude control point, determine to be segmented longitudinal and transverse datum line and absolute altitude using total powerstation；
Step S443：Welded afterwards in place in the position adjustment of gooseneck and steel strut.
Further, in order to preferably realize the present invention, after step S4 constructions are completed, in addition to step S5：Attached knot
Structure is installed；Specifically refer to；After the completion of gooseneck lifting, to bridge maintenance platform, cat ladder and fence carry out erecting and welding.
Further, in order to preferably realize the present invention, also to measure monitoring in real time in work progress, instruct peace
Dress construction；Specifically refer to：Measuring instrument monitors the situation of layout points position above gooseneck at any time so that gooseneck is in locus
On deviation control meet design accuracy requirement.
The present invention compared with prior art, with advantages below and beneficial effect：
（1）Speed of application of the present invention is fast, and it is short to put the engineering time, disturbs few to Business Line operation, security risk is small.
（2）Girder steel is processed in field of the present invention, and on-site consolidation, steel strut installation accuracy are high, and gooseneck lifting construction place will
Ask small.
（3）The present invention can effectively ensure that the traffic safety and construction safety of Business Line.
Brief description of the drawings
Fig. 1 is construction process figure of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment 1：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, across Business Line steel and concrete structure transom pier
Gooseneck partial installation construction method, specifically includes following construction procedure：
Step S1：The pre-buried installation of fixing steel plate and bridge pier concrete construction.
Step S2：Steel strut is lifted.
Step S3：Concrete pouring construction.
Step S4：Gooseneck is lifted.
It should be noted that by above-mentioned improvement, when carrying out step S1 constructions, reporting relevant unit to enter arrangement and method for construction first
Row is examined, after examination ＆ approval are qualified, site operation of being allowed for access.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 2：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, the fixing steel plate is by two block sizes
And structure identical first layer steel plate and second layer steel plate composition；The step S1 is specifically referred to：First first is installed in basic unit
Layer steel plate, bridge pier concrete is poured to first layer steel plate for the first time, is installed second layer steel plate, is treated that second layer steel plate is adjusted
Second of concreting is carried out after absolute altitude, axial location again.
Fixing steel plate is made up of two block sizes and structure identical steel plate, and bridge pier concrete is poured to the first steel plate for the first time
Place, second of concreting is carried out after the second steel plate adjusts absolute altitude, axial location again, accurately fixed by two-step pouring
Position, to meet the absolute altitude and positional precision of last fixing steel plate.
It is preferred that steel plate use Q235 steel plates.
Using total station survey and fine setting instrument processed, using two sets of instruments, two groups of personnel check mutually adjustment surveying and locating,
Fixing steel plate, measures monitored over time.Built-in location steel plate is finely tuned using fine setting screw mandrel, uniform under built-in location steel plate to install silk
Bar, steel plate elevation, required precision≤2mm are adjusted using being turned above and below nut.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 3：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, the step S2 is specifically referred to：
Bridge pier concrete meets progress steel strut lifting after intensity requirement, specifically includes following construction procedure：
Step S21：Before lifting, steel column " ten " word axis is marked on bottom plate, pier stud " ten " word is marked on built-in location steel plate
Axis.
Step S22：Lifting；Specifically refer to：Make to mark steel column " ten " word axis on bottom plate with marking pier stud on fixing steel plate
" ten " word axis overlaps and uses bolt to fix steel strut and fixing steel plate.
Step S23：Using total station survey steel strut and the position relationship of pre-buried location-plate；Simultaneously pre-buried thousand on pier stud
Jin top.
It should be noted that by above-mentioned improvement, steel strut completes welding and assembled work in processing factory, closes on inspection
Job site is transported to after lattice, steel column " ten " word axis is marked before lifting on steel strut bottom plate, while in pre-buried fixing steel plate
On also mark pier stud " ten " word axis, steel strut and steel plate are fixed using bolt after " ten " word axis is overlapped during lifting, then
Use total station survey axis, it is ensured that vertical, horizontal datum line aligns with concrete pier center line and embedded board center line, control steel
Pillar is in vertical relation with pre-buried location-plate；Simultaneously on pier stud pre-buried jack, jack to continue fine setting, it is ensured that position
Put and the equal ＜ 2mm of height variation.In hoisting process, in addition to " ten " word axis is drawn on structural member, water is also used during construction
Leveling ruler, plumb bob etc. control the levelness and perpendicularity of steel strut.
It is preferred that total powerstation selection come one kind in card TS50/TM50/MS50.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 4：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, the step S3 is specifically referred to：
After the steel strut installation of the left and right sides, monitoring is measured, steel strut position and absolute altitude is adjusted, the outer reinforcing bar of steel strut is carried out
Colligation, shuttering carries out concrete pouring construction.
It should be noted that by above-mentioned improvement, the concrete uses C40 slightly expanded concretes；Slightly expanded concrete
Concrete is set to occur certain expansion by the effect of swelling agent during aquation, so as to compensate for the receipts of concrete
Contracting, reaches preventing and treating distress in concrete, improves the purpose of concrete performance.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 5：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, step S4 goosenecks lifting tool
Body includes following construction procedure：
Step S41：Before lifting transverse reference line, longitudinal datum line and absolute altitude control point are marked in gooseneck top and bottom.
Step S42：Lifting.
Step S43：Lifting；In lifting, the transverse reference line of gooseneck and the datum line of steel strut are driven with always
On line, while adjusting absolute altitude control point.
Step S44：Welding.
It should be noted that by above-mentioned improvement, gooseneck is before lifting by transverse reference line in girder steel top and bottom
Finish, girder steel corner levelness is adjusted during lifting, gooseneck ensures that transverse reference line exists with steel strut datum line in lifting
On same straight line, the absolute altitude at control point is adjusted, before welding Z-shaped choma is stitched, it is necessary to by steel strut accurate adjustment in place, meet gate-type
Pier beam overall and it is linear after could carry out welding.
Adjustment, measurement, welding are important three process after gooseneck lifting, are to ensure that the key of gooseneck installation quality
Step.First web is rigidly connected using horse plate, fixes gooseneck and steel strut or so locus." 7 " are arranged in top plate
Word horse plate, longitudinal and transverse datum line and the absolute altitude control point for making to have segmentation on top plate upper-lower position, top plate are adjusted using jack, is adopted
The longitudinal and transverse datum line in section and absolute altitude are determined with total powerstation.
Measurement monitoring instructs installation at any time through construction whole process, measurement monitoring；Measuring instrument monitors steel at any time
Layout points position situation above crossbeam, it is ensured that design accuracy requirement of deviation control of the gooseneck on locus in 2mm.
Gooseneck Z-shaped choma seam must carry out live welding sample soldering test and send qualified inspection before welding
Survey unit to be detected, qualified rear progress Site Welding；Wlding carries out heat preservation and dryness processing, and 50-100 is preheated to it before welding
DEG C, it is ensured that welding quality；Carry out the pre-heat treatment during welding to gooseneck Z-shaped mouthful, preheating temperature control 100-200 DEG C it
Between, using ceramic backing, solid core welding wire CO2Gas shielded arc welding bottoming, submerged-arc welding capping mode is constructed.
When carrying out live Z-shaped choma seam welding, CO2Gas shielded arc welding requirement is less than 2m/s in wind speed, otherwise will adopt
Draught exclusion device is taken, the cold wind of plan-position goes to be protected using deep bead；Facade or the weld seam of other positions are then using overall
Windproof awning protected, prevent weld seam produce stomata.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 6：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, the step S44 specifically include with
Lower construction procedure：
Step S441：Horse plate and web are made, is rigidly connected using horse plate and web, makes gooseneck and steel strut or so space bit
Put fixation.
Step S442：" 7 " word horse plate is arranged in gooseneck top plate, is adjusted using jack on top plate upper-lower position, top plate
Longitudinal and transverse datum line and the absolute altitude control point of segmentation are marked, determines to be segmented longitudinal and transverse datum line and absolute altitude using total powerstation.
Step S443：Welded afterwards in place in the position adjustment of gooseneck and steel strut.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 7：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, after step S4 constructions are completed, also
Including step S5：Accessory structure is installed；Specifically refer to；After the completion of gooseneck lifting, to bridge maintenance platform, cat ladder and fence
Carry out erecting and welding.
It should be noted that by above-mentioned improvement, being damaged to being protected in the installation priority control work progress of accessory structure
Gooseneck external coating, is repaired if damaging when injuring.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 8：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in figure 1, also to enter in real time in work progress
Row measurement monitoring, instructs installation；Specifically refer to：Measuring instrument monitors the situation of layout points position above gooseneck at any time, makes
Obtain deviation control of the gooseneck on locus and meet design accuracy requirement.
It should be noted that by above-mentioned improvement, the design accuracy is 2mm.
The other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 9：
Across Business Line steel and concrete structure transom pier gooseneck partial installation construction method, specifically includes following construction procedure：
Step S1：The pre-buried installation of fixing steel plate and bridge pier concrete construction；The fixing steel plate is by two block sizes and structure phase
Same first layer steel plate and second layer steel plate composition；The step S1 is specifically referred to：First layer steel plate is installed in basic unit first, will
Bridge pier concrete is poured to first layer steel plate for the first time, is installed second layer steel plate, is treated that second layer steel plate adjusts absolute altitude, axis
Second of concreting is carried out behind position again.
Step S2：Steel strut is lifted；After bridge pier concrete meets intensity requirement carry out steel strut lifting, specifically include with
Lower construction procedure：
Step S21：Before lifting, steel column " ten " word axis is marked on bottom plate, pier stud " ten " word is marked on built-in location steel plate
Axis.
Step S22：Lifting；The lifting is specifically referred to：Make to mark on steel column " ten " word axis and fixing steel plate on bottom plate
Mark pier stud " ten " word axis overlaps and uses bolt to fix steel strut and fixing steel plate.
Step S23：Using total station survey steel strut and the position relationship of pre-buried location-plate；Simultaneously pre-buried thousand on pier stud
Jin top.
Step S3：Concrete pouring construction；Specifically refer to：After the steel strut installation of the left and right sides, prison is measured
Control, adjusts steel strut position and absolute altitude, carries out the outer reinforcing bar colligation of steel strut, and shuttering carries out concrete pouring construction.
Step S4：Gooseneck is lifted.
Specifically include following construction procedure：
Step S41：Before lifting transverse reference line is marked in gooseneck top and bottom；
Step S42：Lifting.
Step S43：Lifting；In lifting, the transverse reference line of gooseneck and the datum line of steel strut are driven with always
On line, while adjusting the absolute altitude at control point.
Step S44：Welding.
The step S44 specifically includes following construction procedure：
Step S441：It is rigidly connected using horse plate and web, fixes gooseneck and steel strut or so locus.
Step S442：" 7 " word horse plate is arranged in gooseneck top plate, is adjusted using jack on top plate upper-lower position, top plate
Longitudinal and transverse datum line and the absolute altitude control point of segmentation are marked, determines to be segmented longitudinal and transverse datum line and absolute altitude using total powerstation.
Step S443：Welded afterwards in place in the position adjustment of gooseneck and steel strut.
Step S5：Accessory structure is installed；Specifically refer to；After the completion of gooseneck lifting, to bridge maintenance platform, cat ladder and
Fence carries out erecting and welding.
Also to measure monitoring in real time in work progress, instruct installation；Specifically refer to：Measuring instrument is supervised at any time
Survey the situation of layout points position above gooseneck so that deviation control of the gooseneck on locus meets design accuracy requirement.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
According to the present invention technical spirit above example is made any simple modification, equivalent variations, each fall within the present invention protection
Within the scope of.
Claims (8)
1. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method, it is characterised in that：Specifically include following apply
Work step is rapid：
Step S1：The pre-buried installation of fixing steel plate and bridge pier concrete construction；
Step S2：Steel strut is lifted；
Step S3：Concrete pouring construction；
Step S4：Gooseneck is lifted.
2. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim 1, its feature exists
In：The fixing steel plate is made up of two block sizes and structure identical first layer steel plate and second layer steel plate；The step S1 tools
Body refers to：First layer steel plate is installed in basic unit first, bridge pier concrete is poured to first layer steel plate for the first time, second is installed
Layer steel plate, second of concreting is carried out after second layer steel plate adjusts absolute altitude, axial location again.
3. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim 1, its feature exists
In：The step S2 is specifically referred to：Steel strut lifting is carried out after bridge pier concrete meets intensity requirement, following apply is specifically included
Work step is rapid：
Step S21：Before lifting, steel column " ten " word axis is marked on bottom plate, pier stud " ten " word is marked on built-in location steel plate
Axis；
Step S22：Lifting；Specifically refer to：Make to mark steel column " ten " word axis and mark pier stud " ten " on fixing steel plate on bottom plate
Word axis overlaps and uses bolt to fix steel strut and fixing steel plate；
Step S23：Using total station survey steel strut and the position relationship of pre-buried location-plate；It is simultaneously pre-buried very heavy on pier stud
Top.
4. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim 1, its feature exists
In：The step S3 is specifically referred to：After the steel strut installation of the left and right sides, monitoring is measured, steel strut position is adjusted
Put and absolute altitude, carry out the outer reinforcing bar colligation of steel strut, shuttering carries out concrete pouring construction.
5. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim 1, its feature exists
In：The step S4 goosenecks lifting specifically includes following construction procedure：
Step S41：Before lifting transverse reference line, longitudinal datum line and absolute altitude control point are marked in gooseneck top and bottom；
Step S42：Lifting；
Step S43：Lifting；Lifting when, drive gooseneck transverse reference line and steel strut datum line on the same line,
Absolute altitude control point is adjusted simultaneously；
Step S44：Welding.
6. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim 5, its feature exists
In：The step S44 specifically includes following construction procedure：
Step S441：Horse plate and web are made, is rigidly connected using horse plate and web, makes gooseneck and steel strut or so space bit
Put fixation；
Step S442：" 7 " word horse plate is arranged in gooseneck top plate, is adjusted and is marked on top plate upper-lower position, top plate using jack
The longitudinal and transverse datum line of segmentation and absolute altitude control point, determine to be segmented longitudinal and transverse datum line and absolute altitude using total powerstation；
Step S443：Welded afterwards in place in the position adjustment of gooseneck and steel strut.
7. across the Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim any one of 1-6,
It is characterized in that：After step S4 constructions are completed, in addition to step S5：Accessory structure is installed；Specifically refer to；In gooseneck lifting
After the completion of, to bridge maintenance platform, cat ladder and fence carry out erecting and welding.
8. across Business Line steel and concrete structure transom pier gooseneck partial installation construction method according to claim 7, its feature exists
In：Also to measure monitoring in real time in work progress, instruct installation；Specifically refer to：Measuring instrument monitors steel at any time
The situation of layout points position above crossbeam so that deviation control of the gooseneck on locus meets design accuracy requirement.
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| CN111236080A (en) * | 2020-03-03 | 2020-06-05 | 重庆单轨交通工程有限责任公司 | Door-shaped pier steel beam support installation method and door-shaped pier steel beam support installation component |
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| CN111764291A (en) * | 2020-07-09 | 2020-10-13 | 中铁六局集团天津铁路建设有限公司 | Construction method of separated railway bridge steel-concrete transition section structure |
| CN112176865A (en) * | 2020-08-27 | 2021-01-05 | 中铁九局集团第七工程有限公司 | Construction method for splicing and erecting high-speed railway frame pier steel beam in sections |
| CN113265952A (en) * | 2021-05-31 | 2021-08-17 | 中铁建大桥工程局集团第四工程有限公司 | Hoisting method for integral prefabrication of steel cover beam |
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Application publication date: 20170929 |