CN205857032U - The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket - Google Patents
The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket Download PDFInfo
- Publication number
- CN205857032U CN205857032U CN201620502746.7U CN201620502746U CN205857032U CN 205857032 U CN205857032 U CN 205857032U CN 201620502746 U CN201620502746 U CN 201620502746U CN 205857032 U CN205857032 U CN 205857032U
- Authority
- CN
- China
- Prior art keywords
- floor stand
- steel
- internal stress
- shelf bracket
- sill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
This utility model provides the toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket, including steel pipe frame column floor stand, floor stand main longitudinal grider anchor, floor stand girder steel construction platform device, floor stand fixes girder steel device, shelf bracket anchor and shelf bracket superstructure support means.It is characterized in that: toughened internal stress support means by floor stand and not floor stand combine and form.Toughened internal stress steel girder erection support uses steel pipe frame column floor stand, and bracket upright post falls on Sarasota cushion cap and tower seat, it is not necessary to excavation pile foundation, arranges connection, make floor stand be connected as a single entity with Sarasota between column and the attachment of Sarasota pre-embedded steel slab；Support top main longitudinal grider utilizes the pre-buried finish rolling deformed bar in sill top to anchor, and Sarasota sill leans side, river and side of pulling in shore and anchors respectively, is arranging anchoring buttress at the bottom of longeron and between sill top；Steel girder erection support main longitudinal grider both sides end opening arranges lifting, location operation platform；Steel pipe buttress on floor stand main longitudinal grider arranges direction across bridge, fixes girder steel along bridge to strength plate；Shelf bracket device is not floor stand, is anchored in sill and leans on the pre-buried fining twisted steel in side, river and side of pulling in shore, and triangle inclined strut is welded on sill pre-embedded steel slab, and stress performance is good；Shelf bracket top arranges distribution beam system, sets up full hall bowl button support and carries out toughened internal stress cast-in-place construction.The toughened internal stress Construction Support device that floor stand of the present utility model combines with shelf bracket, achieve the ingenious combination of floor stand and not floor stand, safety coefficient is high, easy construction, decrease a large amount of temporary structure facility, the input of material simultaneously, preferably resolve a toughened internal stress rack construction difficult problem.
Description
Technical field
This utility model relates to the toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket.
Background technology
Along with developing rapidly of Bridges in Our Country building cause, the bridge development of a large amount of over-height pier large spans is faced in constructing it
Time supporting construction performance propose increasingly high request.Wherein steel pipe frame column support is with its unique advantage, in bridge construction
It is widely applied, especially in heavy load, high pier stud, span bridge construction, because it is affected relatively by environment terrain
Little, bearing capacity is big, good stability, and safety is high, and speed of application is fast, it has also become a kind of relatively inexpensive safe support pattern.
The high pier position, heavy load and the girder steel that are above faced for solving toughened internal stress construction are accurately positioned a fixing difficult problem,
Accelerating construction progress reduces cost and reduces security risk, limits and existing equipment, in conventional steel in conjunction with surrounding enviroment and landform
On the basis of pipe holder, devise the support means that steel pipe support combines of landing of a set of novel practical with shelf bracket.
Utility model content
For solving toughened internal stress rack construction technical problem, improve safety guarantee, save duration and construction cost, use
The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket.This utility model support means is invented
Content is: toughened internal stress steel girder erection support uses steel pipe frame column floor stand, and toughened internal stress Concrete Beam Segment is cast-in-place
The shelf bracket that support uses sill to cantilever out supports, and shelf bracket arranges distribution beam, sets up bowl button support.
The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket, it is characterised in that: steel reinforced concrete
Adapter section steel girder erection support uses steel pipe frame column floor stand, and toughened internal stress Concrete Beam Segment cast-in-place support uses lower horizontal stroke
The shelf bracket that beam cantilevers out, shelf bracket arranges distribution beam, and floor stand vertical column uses 4 steel pipes, and bracket upright post falls
On Sarasota cushion cap and tower seat, each column arranges lateral each other, connects with steel tube, make floor stand and Sarasota between column attachment
It is connected as a single entity；Arranging bridging, column bottom pading plate between column lateral, floor stand top main longitudinal grider utilizes sill top pre-
Bury spiral to anchor；Anchoring buttress is set at the bottom of every main longitudinal grider and between sill top；It is steel plate bottom anchoring buttress,
Steel pipe lateral is set between main longitudinal grider；Distribution beam and main longitudinal grider connect.
Further, design toughened internal stress mounting bracket at king-tower by side, river, use steel pipe frame column support technology.Support
Column uses 4 steel pipes, and bracket upright post falls on Sarasota cushion cap and tower seat, outer heel post centre-to-centre spacing cushion cap limit 50cm, inside stand
Post centre-to-centre spacing tower seat limit 150cm, column attachment position inside correspondence, each column arranges lateral each other, between the attachment of inner side column
Connecting with steel tube, make floor stand be connected as a single entity with Sarasota, stability in the large is strong；Bridging, column are set between column lateral
Bottom pading plate, column top arranges cap, and cap top opening arranges well word and adds powerful plate.
Further, support top main longitudinal grider utilizes the pre-buried finish rolling deformed bar in sill top to anchor；Every main longitudinal grider exists
Sarasota sill leans side, river and side of pulling in shore and anchors respectively, is arranging anchoring buttress at the bottom of longeron and between sill top；Anchor
Being steel plate bottom clamped pier, this steel plate first passes through fining twisted steel and the anchoring stretch-draw of sill top；At the bottom of anchoring buttress steel pipe and the end
Portion's Plate Welding, finally installs anchoring longeron.Arranging steel pipe lateral between main longitudinal grider, main longitudinal grider top arranges bridle iron, main vertical
Between beam, connection strength plate is set at each anchor point and position of the fulcrum.
Further, two buttresses on floor stand main longitudinal grider arrange direction across bridge, fix girder steel along bridge to strength plate, strength plate and
At the bottom of girder steel, buttress wall and support main longitudinal grider top solder fix.
Further, shelf bracket device is not floor stand, and shelf bracket longeron 9 uses Two bors d's oeuveres I40a I-steel, anchoring
Leaning side, river in sill and pull in shore on the pre-buried fining twisted steel in side, the little distribution beam 11 of anchoring longeron uses Two bors d's oeuveres [32a groove
Steel, and use hydraulic jack to anchor stretch-draw；Stringer bracing 8 uses I40a I-steel, is welded on the steel plate that sill is pre-buried.
Further, shelf bracket top arranges full hall bowl button support, and bottom of upright rod transverse distribution beam 10 uses I25a I-shaped
Steel, spacing 60cm.
1, floor stand device is installed
Designing toughened internal stress mounting bracket at king-tower by side, river, bracket upright post uses 4 steel pipes, and bracket upright post falls at rope
On tower cushion cap and tower seat, each column arranges lateral each other, connects with steel tube, make between inner side column and the attachment of Sarasota pre-embedded steel slab
Floor stand is connected as a single entity with Sarasota, and stability in the large is strong；Bridging, column bottom pading plate, column is put between column lateral
Top arranges cap, and cap top opening arranges well word and adds powerful plate.
2, floor stand main longitudinal grider anchor is installed
Support top main longitudinal grider utilizes the pre-buried finish rolling deformed bar in sill top to anchor；Every main longitudinal grider is horizontal under Sarasota
Back anchors respectively by side, river and side of pulling in shore, and is arranging anchoring buttress at the bottom of longeron and between sill top；At the bottom of anchoring buttress
Portion is steel plate, and this steel plate first passes through fining twisted steel and the anchoring stretch-draw of sill top；Weld with bottom steel plate at the bottom of anchoring buttress steel pipe
Connect, groined type strength plate is set in steel pipe, anchoring longeron is finally installed.Arranging steel pipe lateral between main longitudinal grider, main longitudinal grider top sets
Put bridle iron, between main longitudinal grider, connection strength plate is set at each anchor point and position of the fulcrum.
4, floor stand is installed and fixes girder steel device
Two buttresses on floor stand main longitudinal grider arrange fixing girder steel, and at the bottom of strength plate and girder steel, buttress wall and support master indulge
Back is welded and fixed.
5, shelf bracket anchor is installed
Shelf bracket device is not floor stand, and shelf bracket longeron is anchored in sill, and to lean side, river and side of pulling in shore pre-buried
Fining twisted steel on, anchoring longeron use hydraulic jack anchoring stretch-draw；Stringer bracing is welded in the steel plate that sill is pre-buried
On.
6, shelf bracket superstructure device is installed
Shelf bracket top arranges full hall bowl button support.Operation instructions process operations step is:
One, floor stand construction
First, when steel pipe post is constructed, anchor at column bottom pad upper steel plate and with king-tower tower seat cushion cap, join at tower crane
High welding column is connect one by one under conjunction；
Further, column is often soldered to certain altitude, lateral, bridging and attachment between synchronous welding column, until welding
To capital design height；
Further, arranging cap at capital, in cap, welding intersecting parallels strength plate is strengthened, cap welded top cover plate；
Further, anchoring longeron buttress is set, by pre-buried finish rolling deformed bar stretch-draw anchor on sill top；
Further, erecting and welding main longitudinal grider on steel pipe post, longeron welds at all fulcrums and adds powerful plate, and longeron leads to
The pre-buried fining twisted steel crossing Sarasota sill top carries out anchoring and be stretched to design anchor force；
Further, welded still pipe buttress on longeron, all weld strength plate inside and outside buttress and strengthen, buttress welded top cover plate；
Further, floor stand girder steel construction platform device, steel girder erection support main longitudinal grider both sides end opening shaped steel are installed
Welding toughened internal stress steel beam lifting, location operation platform；
Further, install floor stand fix girder steel device, two buttresses on floor stand main longitudinal grider arrange direction across bridge,
Girder steel is fixed to strength plate along bridge.
Two, shelf bracket construction
First arranging 6 Two bors d's oeuveres I-shaped steel longitudinal beams 4 on Sarasota sill top, side of pulling in shore extends to cross beam edges, leans on
Encorbelment to design attitude in side, river；
Further, longeron anchors with the pre-buried fining twisted steel in both sides, Sarasota sill top；
Further, connecing triangle inclined strut by side, river part longeron back welding of encorbelmenting, one end is welded at the bottom of longeron, and the other end welds
On the pre-embedded steel slab of Sarasota sill side；
Further, longeron is encorbelmented the atop part welded and installed horizontal I-steel distribution beam 10, and distribution beam is laid steel
Expanded metals makees foot guard；
Further, distribution beam is placed collet set up bowl button support, on be followed successively by jacking, the lumps of wood, toughened internal stress
Bed die, wherein bed die flushes with floor stand inside top buttress top.
Utilize the toughened internal stress Construction Support device that this floor stand combines with shelf bracket, have the advantage that
One, the toughened internal stress Construction Support device that steel pipe frame column floor stand combines with shelf bracket effectively utilizes
Space resources, treatment in accordance with local conditions, it is achieved the ingenious combination of floor stand and not floor stand, easy construction, safety coefficient is high, stress
Performance is good, decreases a large amount of temporary structure facility, the input of material simultaneously, preferably resolves toughened internal stress rack construction difficult
Topic；
Two, floor stand bottom anchor is on Sarasota cushion cap and tower seat, it is not necessary to excavation pile foundation, basis is firm firm.Vertical
Intercolumniation is connect by lateral, bridging, and is combined as a whole with king-tower by attachment, and globality is strong, and stability is high, and steel pipe stands simultaneously
Columns bearing capacity is big；
Three, floor stand main longitudinal grider anchor is set；
Four, floor stand girder steel construction platform device is increased；
Five, increase floor stand and fix girder steel device；
Six, shelf bracket anchor is set；
Seven, entirety accelerates the construction speed of 20%, reduces the construction cost of about 30%.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention, will make required in detailed description of the invention below
Accompanying drawing be briefly described.
Fig. 1 is toughened internal stress floor stand elevation；
Fig. 2 is toughened internal stress floor stand side view；
Fig. 3 is toughened internal stress floor stand plane graph；
Fig. 4 is toughened internal stress shelf bracket elevation；
Fig. 5 is toughened internal stress shelf bracket side view；
Fig. 6 is toughened internal stress shelf bracket plane graph.
Fig. 7 a Two bors d's oeuveres I40a I-shaped steel longitudinal beam sectional view；
One of Fig. 7 b Two bors d's oeuveres HN600*200 main longitudinal grider sectional view；
The two of Fig. 7 c Two bors d's oeuveres HN600*200 main longitudinal grider sectional view；
The unit being not particularly illustrated on figure is rice；Wherein 1-ф 820 steel pipe post；2-ф 426 steel pipe lateral；3-[32
Channel-section steel bridging；4-Two bors d's oeuveres HN600*200 main longitudinal grider；5-ф 40 anchors fining twisted steel；6-ф 426 steel pipe adheres to；7-ф426
Steel pipe buttress；8-Two bors d's oeuveres I40a I-steel triangle inclined strut；9-Two bors d's oeuveres I40a I-shaped steel longitudinal beam；10-I25a I-steel distribution beam；5-
ф 40 anchors fining twisted steel；8-Two bors d's oeuveres I40a I-steel triangle inclined strut；11-Two bors d's oeuveres [32a channel-section steel anchoring distribution beam；12-2cm
Thick connection strength plate
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings:
As shown in drawings, the toughened internal stress Construction Support dress that this utility model floor stand combines with shelf bracket
Putting, Specific construction flow process walks sequence and technological process is:
1, floor stand device is installed
Design toughened internal stress mounting bracket at king-tower by side, river, use steel pipe frame column support technology.Bracket upright post is adopted
With 4 φ 820 × 10 steel pipes, lattice column direction across bridge width 8.1m, along bridge to a length of 4.5m；Bracket upright post fall at Sarasota cushion cap and
On tower seat, outer heel post centre-to-centre spacing cushion cap limit 50cm, inner side column centre-to-centre spacing tower seat limit 150cm, it is not necessary to excavation pile foundation, construction
Simplicity, saves construction cost, compresses the construction period；Column attachment position inside correspondence, each column is each other with φ 426 × 6 steel
Pipe arranges lateral, by φ 426 × 6 fastener for connection between inner side column and the attachment of Sarasota pre-embedded steel slab, makes floor stand with Sarasota even
Being integrated, stability in the large is strong；With [32a channel-section steel arranges bridging, column bottom pading plate, and column top sets between column lateral
Putting cap, cap top opening arranges well word and adds powerful plate.
2, floor stand main longitudinal grider anchor is installed
Support top main longitudinal grider utilizes the pre-buried finish rolling deformed bar in sill top to anchor；Every main longitudinal grider is horizontal under Sarasota
Back anchors respectively by side, river and side of pulling in shore, and is arranging anchoring buttress at the bottom of longeron and between sill top；At the bottom of anchoring buttress
Portion is steel plate, and this steel plate first passes through fining twisted steel and the anchoring stretch-draw of sill top；Weld with bottom steel plate at the bottom of anchoring buttress steel pipe
Connect, groined type strength plate is set in steel pipe, anchoring longeron is finally installed.Arranging steel pipe lateral between main longitudinal grider, main longitudinal grider top sets
Put bridle iron, between main longitudinal grider, connection strength plate is set at each anchor point and position of the fulcrum.
3, floor stand girder steel construction platform device is installed
Steel girder erection support main longitudinal grider both sides end opening arranges lifting, location operation platform, uses shaped steel welding production, convenient tune
Beam, location construction.
4, floor stand is installed and fixes girder steel device
Two buttresses on floor stand main longitudinal grider arrange direction across bridge, fix girder steel along bridge to strength plate, at the bottom of strength plate and girder steel,
Buttress wall and support main longitudinal grider top solder are fixed.
5, shelf bracket anchor is installed
Shelf bracket device is not floor stand, and shelf bracket longeron uses Two bors d's oeuveres I40a I-steel, is anchored in sill
Leaning side, river and pull in shore on the pre-buried fining twisted steel in side, the little distribution beam of anchoring longeron uses Two bors d's oeuveres [32a channel-section steel, and using
Hydraulic jack anchoring stretch-draw；Stringer bracing uses I40a I-steel, is welded on the steel plate that sill is pre-buried.Shelf bracket fills
Putting the fining twisted steel anchoring that Appropriate application sill is pre-buried, diagonal brace is welded on sill pre-embedded steel slab, and stress performance is good,
Save section bar needed for a large amount of temporary structure, accelerate the construction period.
6, shelf bracket superstructure device is installed
Shelf bracket top arranges full hall bowl button support.
The toughened internal stress Construction Support device that a kind of floor stand of this utility model combines with shelf bracket, it should be noted that
The weld seam welding quality of steel pipe support and shelf bracket, controls support absolute altitude and plan-position well, strengthens floor stand main longitudinal grider
Construct with the anchor of shelf bracket, pay attention to the attachment interconnection function between steel pipe support and Sarasota.
Use the toughened internal stress Construction Support device that this utility model floor stand combines, bearing capacity with shelf bracket
Greatly, good stability, safety is high, reliable in quality, it is adaptable to hybrid beam cable-stayed bridge toughened internal stress is constructed, and its reliability is in Chongqing
The construction of Gao Jia garden track traffic service bridge toughened internal stress obtains good authentication, and has obtained good social economy's effect
Benefit, at similar unfavorable terrain, in the bridge construction of the environment such as high pier construction, using value is high, and promotion prospect is good.
Claims (1)
1. the toughened internal stress Construction Support device that a floor stand combines with shelf bracket, it is characterised in that: steel reinforced concrete is tied
Closing section steel girder erection support and use steel pipe frame column floor stand, toughened internal stress Concrete Beam Segment cast-in-place support uses sill
The shelf bracket cantilevered out, shelf bracket arranges distribution beam, and floor stand vertical column uses 4 steel pipes, and bracket upright post falls
On Sarasota cushion cap and tower seat, each column arranges lateral each other, connects with steel tube between column attachment, makes floor stand with Sarasota even
It is integrated；Arranging bridging, column bottom pading plate between column lateral, floor stand top main longitudinal grider utilizes sill top pre-buried
Spiral anchors；Anchoring buttress is set at the bottom of every main longitudinal grider and between sill top；It is steel plate bottom anchoring buttress, main
Steel pipe lateral is set between longeron；Distribution beam and main longitudinal grider connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502746.7U CN205857032U (en) | 2016-05-28 | 2016-05-28 | The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620502746.7U CN205857032U (en) | 2016-05-28 | 2016-05-28 | The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205857032U true CN205857032U (en) | 2017-01-04 |
Family
ID=57638463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620502746.7U Active CN205857032U (en) | 2016-05-28 | 2016-05-28 | The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205857032U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107841952A (en) * | 2017-11-30 | 2018-03-27 | 中铁二十局集团第工程有限公司 | Adhesion type high-altitude mount support and rigid frame-continuous girder end bay cast-in-place section construction method |
| CN109505226A (en) * | 2018-12-29 | 2019-03-22 | 核工业长沙中南建设工程集团公司 | Tower girder construction, cable-stayed bridge and tower beam construction method |
| CN111558995A (en) * | 2019-02-13 | 2020-08-21 | 河南天久装配式建筑有限公司 | Manufacturing method of light sandwich concrete angle steel truss column |
| CN111558982A (en) * | 2019-02-13 | 2020-08-21 | 河南天久装配式建筑有限公司 | Manufacturing method of light sandwich concrete reinforced steel angle steel truss column |
| CN111558981A (en) * | 2019-02-13 | 2020-08-21 | 河南天久装配式建筑有限公司 | Manufacturing method of light sandwich concrete steel bar truss column |
| CN113737661A (en) * | 2021-10-11 | 2021-12-03 | 中铁二局集团有限公司 | Construction method for steel-concrete combined section of tower base of cable-stayed bridge |
-
2016
- 2016-05-28 CN CN201620502746.7U patent/CN205857032U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107841952A (en) * | 2017-11-30 | 2018-03-27 | 中铁二十局集团第工程有限公司 | Adhesion type high-altitude mount support and rigid frame-continuous girder end bay cast-in-place section construction method |
| CN109505226A (en) * | 2018-12-29 | 2019-03-22 | 核工业长沙中南建设工程集团公司 | Tower girder construction, cable-stayed bridge and tower beam construction method |
| CN111558995A (en) * | 2019-02-13 | 2020-08-21 | 河南天久装配式建筑有限公司 | Manufacturing method of light sandwich concrete angle steel truss column |
| CN111558982A (en) * | 2019-02-13 | 2020-08-21 | 河南天久装配式建筑有限公司 | Manufacturing method of light sandwich concrete reinforced steel angle steel truss column |
| CN111558981A (en) * | 2019-02-13 | 2020-08-21 | 河南天久装配式建筑有限公司 | Manufacturing method of light sandwich concrete steel bar truss column |
| CN113737661A (en) * | 2021-10-11 | 2021-12-03 | 中铁二局集团有限公司 | Construction method for steel-concrete combined section of tower base of cable-stayed bridge |
| CN113737661B (en) * | 2021-10-11 | 2023-01-31 | 中铁二局集团有限公司 | Construction method for steel-concrete combined section of tower base of cable-stayed bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205857032U (en) | The toughened internal stress Construction Support device that a kind of floor stand combines with shelf bracket | |
| CN213267529U (en) | Assembled bridge concatenation bent cap installation bearing structure | |
| CN104452597B (en) | Pier prestressed cap beam with extra length Construction Supporting System in water | |
| CN103290784B (en) | Arched girder conjugative bridge construction method for hanging | |
| CN110886187B (en) | Cable crane system installation system and construction method thereof | |
| CN206607506U (en) | A kind of through type adds the capping construction support of passive stress trapezoid block | |
| CN103410102A (en) | H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof | |
| CN108342982A (en) | A kind of hybrid combining girder stayed-cable bridge cable crane track cable beam-ends is from anchor structure | |
| CN107524096A (en) | A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method | |
| CN203613467U (en) | Steel pipe bracket for construction of arch tower in oblique arch tower double-cable plane pre-stressed concrete cable-stayed bridge | |
| CN209194353U (en) | It is a kind of to ride integral type bracket suitable for the construction of Bridge High-pier 0# block | |
| CN104452598B (en) | The construction method of pier prestressed cap beam with extra length Construction Supporting System in water | |
| CN107882328A (en) | The construction method of large span steel truss overhung construction | |
| CN204626266U (en) | Single column pier bridge exempts to build overturning or slip resistance analysis steel structure reinforcing device | |
| CN106758839A (en) | A kind of strutting system and its installation method of the cast-in-place segmental construction of pier top | |
| CN203821248U (en) | Steel pipe arch main arch assembling supporting system | |
| CN203429556U (en) | System for quickly installing and positioning cable saddle | |
| CN215482366U (en) | Double-line continuous beam bracket structure | |
| CN204343168U (en) | Pier prestressed cap beam with extra length Construction Supporting System in water | |
| CN212533734U (en) | Cable buckle integrated tower | |
| CN211772934U (en) | Zero number block support system of bridge | |
| CN204401462U (en) | For the support of pier prestressed cap beam with extra length Construction Supporting System in water | |
| CN104404885B (en) | The device of pre-jacking force is applied for pier prestressed cap beam with extra length in water | |
| CN103981810A (en) | Steel tube arch main arch splicing and supporting system | |
| CN211312214U (en) | Cable crane system installation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |