CN106906752A - Cast-in-situ box girder side web and wing plate are integrally supported frame - Google Patents
Cast-in-situ box girder side web and wing plate are integrally supported frame Download PDFInfo
- Publication number
- CN106906752A CN106906752A CN201710299438.8A CN201710299438A CN106906752A CN 106906752 A CN106906752 A CN 106906752A CN 201710299438 A CN201710299438 A CN 201710299438A CN 106906752 A CN106906752 A CN 106906752A
- Authority
- CN
- China
- Prior art keywords
- web
- wing plate
- support bar
- adjusting rod
- cast
- 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.)
- Pending
Links
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Frame is integrally supported the present invention relates to cast-in-situ box girder side web and wing plate, underframe is horizontally disposed with, one end of web support bar is flexibly connected with one end of underframe, the other end of web support bar is flexibly connected with one end of wing plate support bar, one end of wing plate adjusting rod is flexibly connected with the other end of underframe, and the other end of wing plate adjusting rod is flexibly connected with the other end of wing plate support bar；One end of web adjusting rod is flexibly connected with the waist of web support bar, and the other end of web adjusting rod is flexibly connected with underframe；The adjustable in length of web support bar, wing plate adjusting rod and web adjusting rod.The side web and wing plate support of cast-in-situ box girder are individually spun off and are designed as tool-type support by the present invention, it is more simpler than conventional stent it is quick, be easy to control, box beam side web and wing plate support in work progress is overcome to take and tear cumbersome technical problem open, and material-saving.
Description
Technical field
The invention belongs to bridge construction technical field, it is related to side web, the support knot of wing plate in cast-in-situ box girder bridge construction
Structure.
Background technology
With China's communication and the fast development of urban construction, particularly continue to develop in traffic transport industry and
In the case of traffic flow is ever-increasing, a large amount of grade separations and level-crossing bridge have been built.Overpass and viaduct lead in main bridge
Ring road, main line lead to the junction of branch line, it usually needs set and become the gradient, variable curvature, the fork connected section of Trapezoidal, then
Generate the irregular bridge of many plane geometric shapes.
At present abnormity section construction mainly realized by the bracket adjustment of the following web of bridge and wing plate, cast-in-situ box girder side abdomen
Plate is not distinguished with wing plate support, identical with cast-in-situ box girder chamber lower carriage and be integrated.China since the sixties in 20th century with
To begin to use fastener type steel pipe scaffold, the scaffold being made up of fastener and steel pipe etc., because it has simple processing, construction
Technical requirements are low, convenient in carrying, versatility are high, it is cheap the advantages of, obtain greatly development and apply, at present, still account for
According to the market of China more than 70%.Design of coupler scaffold has obtained popularization and application in cast-in-situ box girder all round victory support.
Conventional cast-in-place box beam side web and wing plate support frame set up mode and set up mode except spacing becomes with box beam beam lower supporter
Outside the pale of civilization to have no other differences, existing subject matter is：
1st, mode is set up cumbersome, complicated and waste of materials；
2nd, cast-in-situ box girder bridge transition box beam wide is more (bend section, track change section, main line connect ring road section etc.), side web
And linear many changes at wing plate.Difficulty is adjusted at conventional support frame side web and wing plate big, efficiency of construction is influenceed during construction, it is linear
It is difficult to control to, the constructional appearance quality of final influence box beam entity；
3rd, the mode of setting up of conventional support frame compares beneficial to bearing load, but load very little at box beam side web and wing plate,
Its rack bearing power is set up far above its operating mode load using usual manner, and increase rod member spacing is then unfavorable for that control structure becomes
Shape, that is to say, that conventional support frame is used at cast-in-situ box girder side web and wing plate haves functions that suitable waste.
The country not yet carries out individually designed to cast-in-situ box girder side web and wing plate support at present, and conventional cast-in-place box beam bracket is taken
If mode such as Fig. 1.
The content of the invention
The present invention for conventional support frame exists at cast-in-situ box girder side web and wing plate to set up mode cumbersome, complexity,
Waste of materials, regulation difficulty be big and linear unmanageable technical problem, and the present invention proposes a kind of adjustable cast-in-place case of pin type
Beam side web and wing plate tool are integrally supported frame.
Technical solution of the invention is：
Cast-in-situ box girder side of the invention web and wing plate are integrally supported frame, and it is characterized in that：
The integral support frame includes underframe, wing plate support bar, web support bar, wing plate adjusting rod and at least one web
Adjusting rod, the underframe is horizontally disposed with, and one end of the web support bar is flexibly connected with one end of underframe, the web support
The other end of bar is flexibly connected with one end of wing plate support bar, and one end of the wing plate adjusting rod is with the other end activity of underframe even
Connect, the other end of the wing plate adjusting rod is flexibly connected with the other end of wing plate support bar；One end of the web adjusting rod with
The waist of web support bar is flexibly connected, and the other end of the web adjusting rod is flexibly connected with underframe；The web support bar,
The adjustable in length of wing plate adjusting rod and web adjusting rod.
It is above basic structure of the invention, also making following optimization based on the basic structure present invention limits：
For the convenience of regulation, the regulation of above-mentioned underframe, wing plate support bar, web support bar, wing plate adjusting rod and web
Connected by bearing pin between bar.The lower end of web support bar is provided with screwed hole, and is connected with screw rod, and tune is additionally provided with screw rod
Section nut, screw rod is connected by bearing pin connection member with underframe.The two ends of wing plate adjusting rod are each provided with a silk mouthful, two silks
Mouth is in opposite direction, and a screw rod is each provided with each silk mouthful, and screw rod is by bearing pin connection member correspondence and wing plate supporting plate and bottom
Frame is connected.The two ends of the web adjusting rod are each provided with a silk mouthful, and two silks mouthful are in opposite direction, are each provided with each silk mouthful
One screw rod, screw rod is connected by bearing pin connection member correspondence with web support bar and underframe.
Further, the flexing resistance of frame, wing plate support bar of the invention and web support bar are integrally supported to improve
It is square steel tube, and 2 times that a height of pipe of the transversal facial canal of square steel tube is wide.In the case of same cross-sectional area, this kind of Box Section resistance moment
It is big compared with circular hollow section resistance moment, that is to say, that this pipe anti-bending strength is more excellent.
Compared with prior art, advantage is the present invention：
1st, simple and fast：The side web and wing plate support of cast-in-situ box girder are individually spun off and are designed as tool-type by the present invention
Support, it is more simpler than conventional stent it is quick, be easy to control, overcome box beam side web and wing plate support in work progress and take and tear open
Cumbersome technical problem.
As shown in Figure 2, conventional support frame single section at box beam side web and wing plate needs to set up 6 vertical rods, 3
Brace, 3 cross bars are finally combined that to set up be a support body.And a support body is then only needed to using this support frame, frame
Body has been just an entirety after machining.
2nd, material-saving：Support frame of the present invention abandons the structure stress form of conventional bracket jacking carrying, and jacking is carried
Mode is changed to jacking and carrying is combined with rod member, and itself and rod member are carried out into bearing pin is connected, and strengthens its steadiness, greatly reduces jacking
Quantity, material is greatly saved.
As shown in Figure 2, conventional support frame at box beam side web and wing plate single section by 6 vertical rods, 3 braces, 3
Root cross bar amounts to 12 rod member compositions.And be only made up of 5 rod members using this support frame, jacking is also by 6 changes of conventional bracket
Into 3.
3rd, it is easy to adjust：Connected mode between conventional fastener formula scaffold its vertical rod is spigot-and-socket, and what is had is certain firm
Property, but bayonet joint can only up and down rod member it is coaxially connected, it is impossible to adjust the angle between rod member.
The present invention is integrally supported between four frames of frame and at least one web adjusting rod and is connected by bearing pin, and abdomen
The adjustable in length of plate support bar, wing plate adjusting rod and web adjusting rod, can retain the steadiness of former spigot-and-socket, and can adjust
Angle between rod member.Height and angle can be adjusted at any time in use, without being dismounted, with regulation side
Just advantage.
4th, structural linetype is good：Support brace of the invention is connected with cross bar using bearing pin, freely adjustable box beam side abdomen
The angle of plate and wing plate, advantageously in guarantee structural linetype.Brace bottom sets screw rod and adjusting nut, can be to box beam side abdomen
Plate is highly adjusted, and is more applicable deck-molding change section box beam.
5th, turnover rate is high：Support frame of the present invention tears simplicity open due to taking, and spoilage is low during practice of construction, turnover rate
It is high.
6th, applicability is good：Support frame of the invention can be effectively connected with conventional scaffold, form firm entirety,
There is general applicability in cast-in-situ box girder wing plate and side web.
7th, save artificial：After the completion of box beam bracket is set up, its elevation location need to be adjusted.Regulation work efficiency of the invention
It is more than 3 times of conventional bracket.We extract 5 workmans to conventional bracket at box beam side web and wing plate and invention support respectively
Be adjusted contrast, single workman regulation conventional bracket is imitated as 5 prolong m/h, and adjust support of the present invention be 15.6 linear meter(lin.m.)s/
Hour.
Brief description of the drawings
Fig. 1 sets up mode for conventional cast-in-place box beam bracket；
Fig. 2 is that the present invention is integrally supported frame for side web, the structural representation of wing plate support；
Fig. 3 is that side web of the present invention and wing plate are integrally supported frame structural representation；
Fig. 4 is pin shaft connection structure schematic diagram.
Fig. 5 is the use schematic diagram of the support frame for being welded with rotation steel loop；
Fig. 6 be web support bar and underframe connection diagram；
Fig. 7 underframe and lower carriage connection diagram；
Fig. 8 is the structural representation that underframe is fixed with lower carriage using U-shaped ring.
Wherein reference is：1- underframe, 2- wing plates support bar, 3- webs support bar, 4- wing plates adjusting rod, 5- webs are adjusted
Pole, 6- bearing pins connection member, 7- screw rods, 8- adjusting nuts, 9- rotations steel loop, 10- lower carriages, 11-U types ring, 12- sides abdomen
Plate, 13- wing plates.
Specific embodiment
The defect that the present invention exists for conventional support frame at cast-in-situ box girder side web 12 and wing plate 13, engineering technology people
Member to cast-in-situ box girder side web 12 and wing plate support frame on the basis of pertinent literature, real case and multiple research and development test with reference to entering
Row R ＆ D design, finally invents one kind and takes and tear simple open, easy to adjust, it is easy to controls, check, particularly with cast-in-situ box girder bridge
Transition box beam wide (bend section, track change section, main line connect ring road section etc.), at side web 12 and wing plate it is linear diversely
Side, is more favorable for its alignment control, and meet the cast-in-situ box girder side web and wing plate instrument of related specifications, standard and design requirement
Change and be integrally supported frame to reach the purpose for ensureing construction quality, improving efficiency of construction, economize on resources.Below in conjunction with accompanying drawing to this hair
It is bright to be described in detail.
Cast-in-situ box girder side of the invention web 12 and wing plate are integrally supported frame, including underframe 1, wing plate support bar 2, web branch
Strut 3, wing plate adjusting rod 4 and 2 web adjusting rods 5, wherein underframe are horizontally disposed with, and the lower end of web support bar 3 is provided with spiral shell
Pit, and screw rod 7 is connected with, adjusting nut 8 is additionally provided with screw rod 7, screw rod 7 is by bearing pin connection member 6 and the one of underframe 1
End connection, the other end of web support bar 3 is connected with one end of wing plate support bar 2 by bearing pin, and the two ends of wing plate adjusting rod 4 are each
A silk mouthful is provided with, two silks mouthful are in opposite direction, and a screw rod 7 is each provided with each silk mouthful, and screw rod 7 passes through bearing pin connecting portion
The correspondence of part 6 is connected with wing plate supporting plate and underframe 1.The two ends of web adjusting rod 5 are each provided with a silk mouthful, two silk mouthful directions
Conversely, being each provided with a screw rod 7 at each silk mouthful, screw rod 7 is by the correspondence of bearing pin connection member 6 and the waist of web support bar 3
Connected with underframe 1.The length of web support bar 3, wing plate adjusting rod 4 and web adjusting rod 5 is adjusted by screw rod 7, by relative
The regulation adjustment angle and support frame of length are highly.
Wing plate adjusting rod 4 and web adjusting rod 5 are round steel pipe.Wing plate support bar 2 and web support bar 3 are square steel tube, and
Wide 2 times of a height of pipe of the transversal facial canal of square steel tube.In the case of same cross-sectional area, this kind of Box Section resistance moment is supported compared with circular hollow section
Anti- square is big, that is to say, that this pipe anti-bending strength is more excellent.For example：Square tube top width is 50mm, and the thickness of pipe is 3mm, then its section resistance moment
It is W1=[50*100^3- (50-6) * (100-6) ^3]/600=22424mm^3.Its uiform section pipe external diameter is D=(300-
4)/π+1.5=96mm, its section resistance moment W2=0.0982 [D^4- (D-3) ^4]/D=10362mm^3.Therefore W1>W2.
As shown in figure 4, rod member junction is connected using bearing pin, pin is fixed using the screens of hard iron wire to be prevented from slipping, can
Carry out support angle regulation.
As shown in figure 5, steel pipe two ends set positive and negative silk mouthful being connected with screw rod 7, steel pipe middle part weldering φ 4cm rotation steel loops can
The lengths of rebar insertion of below φ 3cm is rotated into steel pipe to be adjusted the length of steel pipe two screw rod 7, and then it is whole to reach adjusting bracket
The purpose of shape.
Side web oblique square tube is connected with bottom channel-section steel using bearing pin, adjustable side web angle.Oblique square tube portion sets screw rod 7
With adjusting nut, can opposite side web plagioclase be adjusted and transmit load (such as Fig. 6).
To ensure that this strutting system is effectively combined with conventional bracket, the connected mode of light rail and its track, branch are used for reference
Frame bottom, as Force transmission partses, makes it that (such as Fig. 7), the bottom lumps of wood can be just fixed with bottom lumps of wood buckle using 12# channel-section steels
Drawn by box beam bottom keel, just form one with integrated support frame, it is ensured that its steadiness and globality.It is further reinforcement
Channel-section steel and bottom lumps of wood globality, are fixed both using U-shaped ring 11, are connected with fastener using conventional steel pipe between each integrated frame
Connect, it is ensured that globality (such as Fig. 8).
Finally determine its main stressed member composition through Force Calculation, the wing plate larger for load and side web its stress
Rod member can further be strengthened, and table 1 is classified as a specific embodiment material therefor of the invention.
Table 1
Cast-in-situ box girder side web and wing plate are integrally supported frame and compare conventional scaffold, overcome box beam side abdomen in work progress
Plate and wing plate support are taken the shortcomings of tearing cumbersome, mould bases later stage open and adjust difficult, common scaffold and do not have specific aim, waste of material.And
This support frame tears simplicity open due to taking, and spoilage is low during practice of construction, and turnover rate is high.Along bridge to spacing identical situation
Under, single section conventional support frame carries out needing to adjust more than 9 jackings during later stage adjustment, and this support only needs adjustment 3, and adjusts
The section free degree is also obviously improved, and greatly reduces its regulating time, work task efficiency is improve, advantageously in case
The linear guarantee of beam outward appearance.Effectively the change in shape of the side web of control cast-in-situ box girder and wing plate, raising construction quality, reduce
Labour intensity, greatlys save cost of labor, is, to the supplement of existing construction tool and perfect, to have promoted engineering construction instrument
Development.
Claims (10)
1. cast-in-situ box girder side web and wing plate are integrally supported frame, it is characterised in that：
The integral support frame includes the regulation of underframe, wing plate support bar, web support bar, wing plate adjusting rod and at least one web
Bar, the underframe is horizontally disposed with, and one end of the web support bar is flexibly connected with one end of underframe, the web support bar
The other end is flexibly connected with one end of wing plate support bar, and one end of the wing plate adjusting rod is flexibly connected with the other end of underframe,
The other end of the wing plate adjusting rod is flexibly connected with the other end of wing plate support bar；One end of the web adjusting rod and web
The waist of support bar is flexibly connected, and the other end of the web adjusting rod is flexibly connected with underframe；The web support bar, wing plate
The adjustable in length of adjusting rod and web adjusting rod.
2. cast-in-situ box girder side according to claim 1 web and wing plate are integrally supported frame, it is characterised in that：
Connected by bearing pin between the underframe, wing plate support bar, web support bar, wing plate adjusting rod and web adjusting rod.
3. cast-in-situ box girder side according to claim 2 web and wing plate are integrally supported frame, it is characterised in that：Bearing pin junction
It is provided with iron wire card.
4. cast-in-situ box girder side according to claim 2 web and wing plate are integrally supported frame, it is characterised in that：The web branch
The lower end of strut is provided with screwed hole, and is connected with screw rod, and adjusting nut is additionally provided with screw rod, and screw rod passes through bearing pin connecting portion
Part is connected with underframe.
5. cast-in-situ box girder side according to claim 2 web and wing plate are integrally supported frame, it is characterised in that：
The two ends of the wing plate adjusting rod are each provided with a silk mouthful, and two silks mouthful are in opposite direction, and one is each provided with each silk mouthful
Individual screw rod, screw rod is connected by bearing pin connection member correspondence with wing plate supporting plate and underframe.
6. cast-in-situ box girder side according to claim 2 web and wing plate are integrally supported frame, it is characterised in that：
The two ends of the web adjusting rod are each provided with a silk mouthful, and two silks mouthful are in opposite direction, and one is each provided with each silk mouthful
Individual screw rod, screw rod is connected by bearing pin connection member correspondence with web support bar and underframe.
7. cast-in-situ box girder side web and wing plate according to claim 1 or 2 or 3 or 4 or 5 is integrally supported frame, and its feature exists
In：
The underframe is channel-section steel, and the opening of channel-section steel can interlock with the lumps of wood of lower carriage.
8. cast-in-situ box girder side web and wing plate according to claim 1 or 2 or 3 or 4 or 5 is integrally supported frame, and its feature exists
In：
The wing plate adjusting rod and web adjusting rod are round steel pipe.
9. cast-in-situ box girder side web and wing plate according to claim 1 or 2 or 3 or 4 or 5 is integrally supported frame, and its feature exists
In：
The wing plate support bar and web support bar are square steel tube, and 2 times that a height of pipe of the transversal facial canal of square steel tube is wide.
10. cast-in-situ box girder side web and wing plate according to claim 3 or 4 or 5 is integrally supported frame, it is characterised in that：Institute
State and be welded with rotation steel loop in the middle part of web support bar, wing plate adjusting rod and web adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299438.8A CN106906752A (en) | 2017-05-02 | 2017-05-02 | Cast-in-situ box girder side web and wing plate are integrally supported frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299438.8A CN106906752A (en) | 2017-05-02 | 2017-05-02 | Cast-in-situ box girder side web and wing plate are integrally supported frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106906752A true CN106906752A (en) | 2017-06-30 |
Family
ID=59210332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710299438.8A Pending CN106906752A (en) | 2017-05-02 | 2017-05-02 | Cast-in-situ box girder side web and wing plate are integrally supported frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106906752A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056535A (en) * | 2018-08-09 | 2018-12-21 | 杭州江润科技有限公司 | Based on adjustable regularization template variable curvature construction of cast-in-situ box-beam method |
| CN117802913A (en) * | 2024-02-29 | 2024-04-02 | 北京城建集团有限责任公司 | Cast-in-situ box girder support frame, preparation method and installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100106282A (en) * | 2010-09-10 | 2010-10-01 | (주)아크메엔지니어링 | System form apparatus for full staging method |
| CN201722614U (en) * | 2010-05-26 | 2011-01-26 | 中铁一局集团有限公司 | Bridge beam construction support combining military beam support with cuplock scaffold |
| CN103469733A (en) * | 2013-09-23 | 2013-12-25 | 中建五局土木工程有限公司 | Self-dropping type box girder steel pipe bailey door opening bracket and supporting method thereof |
| CN204940861U (en) * | 2015-08-28 | 2016-01-06 | 天津五市政公路工程有限公司 | Adjustable case beam side steel bracket |
| CN105887696A (en) * | 2016-05-25 | 2016-08-24 | 中交第航务工程局有限公司 | Variable-cross-section adjustable integral form board of mobile formwork |
| CN206971086U (en) * | 2017-05-02 | 2018-02-06 | 北京城建远东建设投资集团有限公司 | Cast-in-situ box girder side web and wing plate are integrally supported frame |
-
2017
- 2017-05-02 CN CN201710299438.8A patent/CN106906752A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201722614U (en) * | 2010-05-26 | 2011-01-26 | 中铁一局集团有限公司 | Bridge beam construction support combining military beam support with cuplock scaffold |
| KR20100106282A (en) * | 2010-09-10 | 2010-10-01 | (주)아크메엔지니어링 | System form apparatus for full staging method |
| CN103469733A (en) * | 2013-09-23 | 2013-12-25 | 中建五局土木工程有限公司 | Self-dropping type box girder steel pipe bailey door opening bracket and supporting method thereof |
| CN204940861U (en) * | 2015-08-28 | 2016-01-06 | 天津五市政公路工程有限公司 | Adjustable case beam side steel bracket |
| CN105887696A (en) * | 2016-05-25 | 2016-08-24 | 中交第航务工程局有限公司 | Variable-cross-section adjustable integral form board of mobile formwork |
| CN206971086U (en) * | 2017-05-02 | 2018-02-06 | 北京城建远东建设投资集团有限公司 | Cast-in-situ box girder side web and wing plate are integrally supported frame |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056535A (en) * | 2018-08-09 | 2018-12-21 | 杭州江润科技有限公司 | Based on adjustable regularization template variable curvature construction of cast-in-situ box-beam method |
| CN109056535B (en) * | 2018-08-09 | 2020-10-23 | 杭州江润科技有限公司 | Variable-curvature cast-in-situ box girder construction method based on adjustable stereotyped template |
| CN117802913A (en) * | 2024-02-29 | 2024-04-02 | 北京城建集团有限责任公司 | Cast-in-situ box girder support frame, preparation method and installation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206971086U (en) | Cast-in-situ box girder side web and wing plate are integrally supported frame | |
| CN106906752A (en) | Cast-in-situ box girder side web and wing plate are integrally supported frame | |
| CN109898425A (en) | A kind of construction method with Inclined cable-stayed cantilever pouring concrete arch-type bridge arch ring | |
| CN2911003Y (en) | Suspension running pulley under railway steel bridge | |
| CN209292869U (en) | A kind of pier stud construction template | |
| CN213358344U (en) | Adjustable bracket for cast-in-situ beam | |
| CN202766974U (en) | Bent cap bearing frame without full framing | |
| CN214613617U (en) | Few-pull-rod adjustable template system for inclined web variable-section continuous beam | |
| CN108517970A (en) | A kind of large-span truss hanging method | |
| CN205152803U (en) | Adjustable knot anchor balance beam system | |
| CN205076722U (en) | Tower crane variable cross section jib loading boom | |
| CN209307867U (en) | Framed bent and bracket | |
| CN209009988U (en) | A kind of hoisting device for reinforcement cage | |
| CN209009978U (en) | A kind of hanging beam structure | |
| CN208121546U (en) | Big truss arched bridge | |
| CN207878469U (en) | The steel support structure that foundation pit type is connected with X-shaped connector | |
| CN201473173U (en) | Articulated type connection device for large funnel single-slice hoisting | |
| CN208220167U (en) | Detachable elevator shaft operating platform | |
| CN207904766U (en) | A kind of prestressing force triangle hanging basket of light weight high bearing capacity | |
| CN217026746U (en) | Bridge No. 0 piece construction auxiliary device | |
| CN216336260U (en) | Standard knot main chord member for tower crane | |
| CN206418668U (en) | A kind of building back timber of tilt adjustable | |
| CN109110629A (en) | A kind of hoisting device for reinforcement cage | |
| CN216809570U (en) | Bridge cast-in-place box girder span inner-unsupported convenient construction support | |
| CN218148863U (en) | Connecting joint of steel beam and steel column weak axis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |
|
| RJ01 | Rejection of invention patent application after publication |