CN103526689A - Corrugated steel web reinforced concrete combination structure simply-supported box girder - Google Patents

Corrugated steel web reinforced concrete combination structure simply-supported box girder Download PDF

Info

Publication number
CN103526689A
CN103526689A CN201310307116.5A CN201310307116A CN103526689A CN 103526689 A CN103526689 A CN 103526689A CN 201310307116 A CN201310307116 A CN 201310307116A CN 103526689 A CN103526689 A CN 103526689A
Authority
CN
China
Prior art keywords
steel plate
steel
supported box
wavelike
webplate
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.)
Granted
Application number
CN201310307116.5A
Other languages
Chinese (zh)
Other versions
CN103526689B (en
Inventor
孙天明
高波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang CTB Corrugated Steel Web Co., Ltd.
Original Assignee
HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY Co Ltd filed Critical HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY Co Ltd
Priority to CN201310307116.5A priority Critical patent/CN103526689B/en
Publication of CN103526689A publication Critical patent/CN103526689A/en
Application granted granted Critical
Publication of CN103526689B publication Critical patent/CN103526689B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Revetment (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to a box girder, and discloses a corrugated steel web reinforced concrete combination structure simply-supported box girder. The corrugated steel web reinforced concrete combination structure simply-supported box girder comprises two or more corrugated steel webs, a top steel plate, concrete, a bottom steel plate and an end sealing end plate. The corrugated steel webs are arranged between the top steel plate and the bottom steel plate, the top steel plate, the bottom steel plate and the corrugated steel webs are connected in a welded mode, and a concrete combination structure is formed by the top steel plate or the bottom steel plate and the concrete in a combined mode. According to the corrugated steel web reinforced concrete combination structure simply-supported box girder, the end sealing end plate is arranged, and therefore the strength of the cross section of a girder body and the strength of the connecting end are improved. Due to the arrangement of three transition sections of the corners of the corrugated steel webs, smooth transition between linear sections and arc sections can be achieved, the problem of stress concentration of the corners is solved, the phenomenon that the girder body of an overload vehicle falls off or the girder body falls off under the effect of large loads or earthquakes can be effectively prevented through the connection and discontinuous structure, particularly, the steel concrete combination structure with miniature strain waves is adopted in pressure-bearing portions, and the good structural performance and the good economical efficiency are achieved.

Description

Wavelike steel webplate steel-concrete combined structure simple supported box beam
Technical field
The present invention relates to case beam, related in particular to a kind of Wavelike steel webplate steel-concrete combined structure simple supported box beam.
Background technology
At present, traditional i beam or steel case beam are according to the requirement of shearing resistance flexing, and the ratio of height to thickness of web is generally in 100:1 left and right, and trapezoidal waveform steel web is due to extremely strong shearing resistance and anti-flexural property, and its ratio of height to thickness is 300:1 greatly.The Wavelike steel webplate adopting in existing Wavelike steel webplate case beam, the waveform of its web is all comprised of straightway and arc section, easily produces stress concentrate in the coupling part of straightway and arc section.Tradition i beam or steel case beam compression flange also adopt steel plate, in pressure zone, adopt steel work can not embody the economy of steel work, as adopt steel-concrete combined structure, the most compressive stress in pressure zone is born by concrete, although can embody economy, but concrete shrinkage and creep characteristic makes itself and the steel work can not cooperative bearing, causes stresses re-distribution phenomenon.
Summary of the invention
The present invention is directed in prior art the shearing resistance of common case beam and anti-flexural property poor, and the corrugated sheet steel of Wavelike steel webplate case beam easily produces stress and concentrates, cause the shortcomings such as application life of case beam is short, especially in combining structure, concrete shrinkage and creep characteristic makes itself and the steel work can not cooperative bearing, causes stresses re-distribution phenomenon.Provide a kind of by end socket end plate is set, improve the cross section rigidity of beam body and the intensity of link, the waveform of web consists of straightway, changeover portion, arc section three parts, wherein changeover portion can effectively connect straightway and arc section, the concentrated problem of stress when solution straightway is directly connected with arc section, adopt Steel concrete combining structure with miniature strain wave as bearing structure simultaneously, have advantages of that cost performance is high, form Wavelike steel webplate steel-concrete combined structure simple supported box beam.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Wavelike steel webplate steel-concrete combined structure simple supported box beam, comprise two and above Wavelike steel webplate, top steel plate, concrete, bottom steel plate and end socket end plate, described Wavelike steel webplate is arranged between top steel plate and bottom steel plate, top steel plate and Wavelike steel webplate by being welded to connect, Wavelike steel webplate and bottom steel plate be by being welded to connect, top steel plate, bottom steel surface roughness are 70-350 μ m, and top steel plate or bottom steel plate and Combined concrete form concrete combined structure.
As preferably, described top steel plate, bottom steel surface roughness are 70-350 μ m.
As preferably, described Wavelike steel webplate is the continuous ladder twists and turns steel plate with changeover portion and circular arc-shaped corner, and changeover portion is between straightway and circular arc-shaped corner, and circular arc-shaped corner radius is r, and the radius of changeover portion is R, and R is gradual change radius, and R is ∞-r.
As preferably, described Wavelike steel webplate is L along the point of contact wire length of wave height direction aB, along the point of contact wire length of wavelength direction, be L bC, L aB>=L bC.
As preferably, described end socket end plate and Wavelike steel webplate, top steel plate, bottom Plate Welding.
As preferably, described top steel plate is with the miniature strain wave of evagination crest.Traditional corrugated sheet steel is longitudinally substantially without rigidity, with the top steel plate of miniature strain wave, longitudinally has rigidity, can pressure-bearing, and the longitudinal rigidity of its miniature strain wave part weakens part and obtains reinforcement because of the cross section of concrete evagination.
As preferably, the wave height of described miniature strain wave be top steel plate steel plate thickness 3-20 doubly, the wave crest length of evagination part is less than 300mm, the distance between crest and crest is for being greater than 1000mm.The wave height of miniature strain wave adopts 3-20 times of top steel plate thickness, the anti-pressure ability weakening because of the existence of miniature strain wave in the time of making top steel plate pressurized, the 3-20 increasing by the evagination times of concrete section that top steel plate thickness increases makes up, make top steel plate can accept the longitudinal contraction of concrete and creep, with concrete cooperative bearing, again longitudinal contraction with creep in process and keep overall construction intensity after process.
Because concreting on pressure-bearing frange plate or top end steel plate, concrete exists short-term to shrink and long term creep strain, above-mentioned variation all makes concrete occur the contraction state of total amount one thousandth left and right, and can not work in coordination with contraction with the straight frange plate of tradition of Combined concrete, thereby cause the actual forced status of combining structure and desirable stress to have notable difference, the frange plate that can not work in coordination with contraction takes the lead in having born compressive stress, causes stresses re-distribution phenomenon in combining structure.This patent adopts the way that miniature strain wave is set on steel plate at the bottom of straight frange plate or top, make its longitudinal contraction that can accept concrete and creep, again longitudinal contraction with creep in process and keep structural strength after process, solved the above-mentioned bottleneck problem of combining structure at one stroke.
As preferably, one end of simple supported box beam is provided with plug, and the other end is provided with jack, between adjacent simple supported box beam, by plug and jack, is connected, and plug is provided with barb, and jack is concave.
As preferably, one end of simple supported box beam is provided with plug, and the other end is provided with jack, between adjacent simple supported box beam, by plug and jack, is connected, and plug is cylinder, and jack is to coordinate hollow cannula with plug.
As preferably, the thickness of described top steel plate is greater than or less than the thickness of bottom steel plate.
As preferably, described top steel plate, bottom steel plate are arch along Wavelike steel webplate wavelength direction.
The present invention is owing to having adopted above technical scheme, there is significant technique effect: the present invention is by arranging end socket end plate, improve the cross section rigidity of beam body and the intensity of link, the waveform of web consists of straightway, changeover portion, arc section three parts, wherein changeover portion can effectively connect straightway and circular arc-shaped corner, the concentrated problem of stress when solving straightway and being directly connected with arc section, adopts disjunctor and discontinuous structure can effectively prevent from overloading car and greatly under load action or the phenomenon that drops of the beam body under geological process.Especially pressure-bearing position adopts the steel concrete combining structure with miniature strain wave, has solved the problem of the stresses re-distribution in combining structure, makes combining structure Steel concrete cooperative bearing, has good structural performance and economy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the middle waveform steel web structure schematic diagram of Fig. 1.
Fig. 3 is the I portion enlarged drawing of Fig. 2.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the connection diagram between adjacent simply supported beam.
Fig. 6 is II portion enlarged drawing in Fig. 5.
Fig. 7 is III portion enlarged drawing in Fig. 5.
Fig. 8 is the structural representation with miniature strain wave.
Fig. 9 is the front view of Fig. 8.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-top steel plate, 2-Wavelike steel webplate, 3-bottom steel plate, 4-end socket end plate, 7-concrete, 11-miniature strain wave, 21-circular arc-shaped corner, 22-changeover portion, 23-straightway, 24-plug, 25-jack.
The specific embodiment
Below in conjunction with accompanying drawing 1 to Fig. 9 and embodiment, the present invention is described in further detail:
Embodiment 1
Wavelike steel webplate steel-concrete combined structure simple supported box beam, Fig. 1 to Fig. 7,8,9 comprises two and above Wavelike steel webplate 2, top steel plate 1, concrete seven, bottom steel plate 3 and end socket end plate 4, it is characterized in that: described Wavelike steel webplate 2 is arranged between top steel plate 1 and bottom steel plate 3, top steel plate 1 and Wavelike steel webplate 2 by being welded to connect, Wavelike steel webplate 2 is with bottom steel plate 3 by being welded to connect, top steel plate 1, bottom steel plate 3 surface roughnesses are 70-350 μ m.Top steel plate 1 or bottom steel plate 3 are combined to form concrete combined structure with concrete seven.When simple supported box beam is common beam, top steel plate 1 mainly bears pressure, and now top steel plate 1 is combined to form concrete combined structure with concrete seven; When simple supported box beam is semi girder, bottom steel plate 3 mainly bears pressure, and now bottom steel plate 3 is combined to form concrete combined structure with concrete seven.Top steel plate 1, bottom steel plate 3 surface roughnesses are 250 μ m.Increase top steel plate 1, bottom steel plate 3 surface roughnesses, high roughness can obviously increase the adhesive power of coating.
Wavelike steel webplate 2 is the continuous ladder twists and turns steel plate with changeover portion 22 and circular arc-shaped corner 21, and changeover portion 22 is between straightway 23 and circular arc-shaped corner 21, and circular arc-shaped corner 21 radiuses are r, and the radius of changeover portion 22 is R, and R is gradual change radius, and R is ∞-r.Changeover portion 22 one end that is connected with straightway 23, radius is that R is that trend is infinitely great; Changeover portion 22 one end that is connected with circular arc-shaped corner 21, radius is that R is that trend equals r, therefore, by straightway 23 to circular arc-shaped corner 21, the radius R of changeover portion 22 equals r for being decreased to gradually from infinity, thereby makes straightway 23 and circular arc-shaped corner 21 smooth transition more, reduces stress and concentrates.The waveform of web consists of straightway, changeover portion, arc section three parts, wherein changeover portion can effectively connect straightway and circular arc-shaped corner, when solution straightway is directly connected with arc section, the concentrated problem of stress, is suitable for industrial mass manufacture, and mould and manufacturing cost are lower.
Wavelike steel webplate 2 is L along the point of contact wire length of wave height direction aB, along the point of contact wire length of wavelength direction, be L bC, L aB>=L bC.Wavelike steel webplate 2 equals or is slightly larger than the point of contact wire length along wavelength direction, i.e. L along the point of contact wire length of wave height direction aB>=L bCdesign make the shear strength of corrugated sheet steel and steel using amount reach good cost performance, if wavelength direction is long, i.e. L bC>=L aBshear behavior obviously reduces, and wavelength direction is too short, and steel using amount obviously increases.Therefore, adopt L aB>=L bCdesign, can either, guaranteeing shear strength, can reduce rolled steel dosage again as far as possible.
Top steel plate 1 is with the miniature strain wave 11 of evagination crest.The wave height of miniature strain wave 11 is 3-20 times of top steel plate thickness, and the wave crest length of evagination part is 200mm, and the distance between crest and crest is 1200mm.In the present embodiment, the wave height of miniature strain wave adopts 12 times of top plate thickness, the anti-pressure ability weakening because of the existence of miniature strain wave in the time of making top steel plate pressurized, the concrete section that 12 times of top plate thickness that increase by evagination increase makes up, make longitudinal contraction that top steel plate can accept concrete and creep, again in longitudinal contraction and the process of creeping and keep overall construction intensity after process.
Common top steel plate adopts the straight flat frange plate steel plate that longitudinally has rigidity, and when concrete shrinks when creeping, steel plate longitudinally can shrink hardly and creep.Like this, just can cause concrete shrinking when creeping, there is shelling phenomenon in straight frange plate and concrete, and particularly serious is the stresses re-distribution problem that causes that steel work takes the lead in stressed, affect the stability of structure, makes structural strength reduction.
End socket end plate 4 and Wavelike steel webplate 2, top steel plate 1,3 welding of bottom steel plate.By end socket end plate 4 is set, improve the cross section rigidity of beam body and the intensity of link.
One end of simple supported box beam is provided with plug 24, and the other end is provided with jack 25, between adjacent simple supported box beam, by plug 24 and jack 25, is connected, and plug 24 is cylinder, and jack 25 is to coordinate hollow cannula with plug 24.By plug 24, coordinate with jack 25, form disjunctor and discontinuous structure, under can effectively prevent from overloading car and large load action or the phenomenon that drops of the beam body under geological process.
The thickness of top steel plate 1 is greater than the thickness of bottom steel plate 3.Because considering flexing in pressure zone, flexing need not be considered in tensile region, so traditional tensile region is identical with the steel using amount of pressure zone or section area, make tensile region part have the function phenomenon of having more than needed, it is science and uneconomic not, pressure zone steel using amount suitably increases, and is conducive to the pressurized of member, the function of tension part is given full play to, and reaches higher cost performance.When the thickness of top steel plate 1 is greater than the thickness of bottom steel plate 3, it is common I-shaped case beam, and top steel plate 1 bears pressure.
Top steel plate 1, bottom steel plate 3 are arch along Wavelike steel webplate 2 wavelength direction.Top steel plate 1, bottom steel plate 3 are arch, are conducive to member stress, offset the downwarp of carrying situation lower member, improve the overall construction intensity of case beam.
Embodiment 2
As shown in Fig. 1 to Fig. 5,7,8,9, the difference of the present embodiment and embodiment 1 is: one end of simple supported box beam is provided with plug 24, and the other end is provided with jack 25, between adjacent simple supported box beam, by plug 24 and jack 25, is connected, plug 24 is provided with barb, and jack 25 is concave.The thickness of top steel plate 1 is less than the thickness of bottom steel plate 3.Now, bottom steel plate 3 is as pressure-bearing surface, and its main form of structure is cantilever case beam.
Top steel plate 1 is with the miniature strain wave 11 of evagination crest.The wave height of miniature strain wave 11 is 3-20 times of top steel plate thickness, and the wave crest length of evagination part is 250mm, and the distance between crest and crest is 1500mm.In the present embodiment, the wave height of miniature strain wave adopts 10 times of top plate thickness, the anti-pressure ability weakening because of the existence of miniature strain wave in the time of making top steel plate pressurized, the concrete section that 10 times of top plate thickness that increase by evagination increase makes up, make longitudinal contraction that top steel plate can accept concrete and creep, again in longitudinal contraction and the process of creeping and keep overall construction intensity after process.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.

Claims (10)

1. Wavelike steel webplate steel-concrete combined structure simple supported box beam, comprise two and above Wavelike steel webplate (2), top steel plate (1), concrete (7), bottom steel plate (3) and end socket end plate (4), it is characterized in that: described Wavelike steel webplate (2) is arranged between top steel plate (1) and bottom steel plate (3), top steel plate (1) and Wavelike steel webplate (2) are by being welded to connect, Wavelike steel webplate (2) and bottom steel plate (3) are by being welded to connect, top steel plate (1), bottom steel plate (3) surface roughness is 70-350 μ m, top steel plate (1) or bottom steel plate (3) are combined to form concrete combined structure with concrete (7).
2. Wavelike steel webplate steel-concrete combined structure simple supported box beam according to claim 1, it is characterized in that: described Wavelike steel webplate (2) is the continuous ladder twists and turns steel plate of band changeover portion (22) and circular arc-shaped corner (21), changeover portion (22) is positioned between straightway (23) and circular arc-shaped corner (21), circular arc-shaped corner (21) radius is r, the radius of changeover portion (22) is R, R is gradual change radius, and R is ∞-r.
3. Wavelike steel webplate steel-concrete combined structure simple supported box beam according to claim 1, is characterized in that: described Wavelike steel webplate (2) is L along the point of contact wire length of wave height direction aB, along the point of contact wire length of wavelength direction, be L bC, L aB>=L bC.
4. Wavelike steel webplate steel-concrete combined structure simple supported box beam according to claim 1, is characterized in that: described end socket end plate (4) is welded to connect with Wavelike steel webplate (2), top steel plate (1), bottom steel plate (3).
5. Wavelike steel webplate steel work simple supported box beam according to claim 1, is characterized in that: described top steel plate (1) is with the miniature strain wave (11) of evagination crest.
6. Wavelike steel webplate steel work simple supported box beam according to claim 5, it is characterized in that: the wave height of described miniature strain wave (11) is 3-20 times of top steel plate (1) steel plate thickness, the wave crest length of evagination part is less than 300mm, and the distance between crest and crest is for being greater than 1000mm.
7. Wavelike steel webplate steel work simple supported box beam according to claim 1, it is characterized in that: one end of simple supported box beam is provided with plug (24), the other end is provided with jack (25), between adjacent simple supported box beam, by plug (24) and jack (25), be connected, plug (24) is provided with barb, and jack (25) is concave.
8. Wavelike steel webplate steel work simple supported box beam according to claim 1, it is characterized in that: one end of simple supported box beam is provided with plug (24), the other end is provided with jack (25), between adjacent simple supported box beam, by plug (24) and jack (25), be connected, plug (24) is cylinder, and jack (25) is to coordinate hollow cannula with plug (24).
9. Wavelike steel webplate steel work simple supported box beam according to claim 1, is characterized in that: the thickness of described top steel plate (1) is greater than or less than the thickness of bottom steel plate (3).
10. Wavelike steel webplate steel work simple supported box beam according to claim 1, is characterized in that: described top steel plate (1), bottom steel plate (3) are arch along Wavelike steel webplate (2) wavelength direction.
CN201310307116.5A 2013-07-18 2013-07-18 Wavelike steel webplate steel-concrete combined structure simple supported box beam Active CN103526689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310307116.5A CN103526689B (en) 2013-07-18 2013-07-18 Wavelike steel webplate steel-concrete combined structure simple supported box beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310307116.5A CN103526689B (en) 2013-07-18 2013-07-18 Wavelike steel webplate steel-concrete combined structure simple supported box beam

Publications (2)

Publication Number Publication Date
CN103526689A true CN103526689A (en) 2014-01-22
CN103526689B CN103526689B (en) 2015-10-14

Family

ID=49929010

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310307116.5A Active CN103526689B (en) 2013-07-18 2013-07-18 Wavelike steel webplate steel-concrete combined structure simple supported box beam

Country Status (1)

Country Link
CN (1) CN103526689B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109653376A (en) * 2019-01-31 2019-04-19 重庆大学 A kind of high-performance is greatly across heavily loaded multistory industrial buildings fabricated construction system
CN112482661A (en) * 2020-11-05 2021-03-12 江南大学 Corrugated steel-concrete composite beam wrapped outside wave, and construction method and application thereof
CN116183144A (en) * 2022-12-21 2023-05-30 广西北投公路建设投资集团有限公司 Method for monitoring health state of corrugated steel web bridge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006257634A (en) * 2005-03-15 2006-09-28 Ps Mitsubishi Construction Co Ltd Corrugated-steel-plate web girder
CN101012636A (en) * 2007-02-15 2007-08-08 四川省交通厅公路规划勘察设计研究院 Steel concrete combined bridge front panel
CN101215912A (en) * 2008-01-10 2008-07-09 同济大学 Double corrugated web plate steel box girder
CN201268827Y (en) * 2008-09-18 2009-07-08 钟宝驹 Frame component for changing road traffic structure
CN201605522U (en) * 2009-10-20 2010-10-13 孙天明 Corrugated steel web reinforced concrete composite structure
CN103195210A (en) * 2013-04-19 2013-07-10 北京工业大学 Pre-stressing assembly type corrugated web plate holding-on steel beam

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006257634A (en) * 2005-03-15 2006-09-28 Ps Mitsubishi Construction Co Ltd Corrugated-steel-plate web girder
CN101012636A (en) * 2007-02-15 2007-08-08 四川省交通厅公路规划勘察设计研究院 Steel concrete combined bridge front panel
CN101215912A (en) * 2008-01-10 2008-07-09 同济大学 Double corrugated web plate steel box girder
CN201268827Y (en) * 2008-09-18 2009-07-08 钟宝驹 Frame component for changing road traffic structure
CN201605522U (en) * 2009-10-20 2010-10-13 孙天明 Corrugated steel web reinforced concrete composite structure
CN103195210A (en) * 2013-04-19 2013-07-10 北京工业大学 Pre-stressing assembly type corrugated web plate holding-on steel beam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109653376A (en) * 2019-01-31 2019-04-19 重庆大学 A kind of high-performance is greatly across heavily loaded multistory industrial buildings fabricated construction system
CN112482661A (en) * 2020-11-05 2021-03-12 江南大学 Corrugated steel-concrete composite beam wrapped outside wave, and construction method and application thereof
CN116183144A (en) * 2022-12-21 2023-05-30 广西北投公路建设投资集团有限公司 Method for monitoring health state of corrugated steel web bridge
CN116183144B (en) * 2022-12-21 2023-10-24 广西北投公路建设投资集团有限公司 Method for monitoring health state of corrugated steel web bridge

Also Published As

Publication number Publication date
CN103526689B (en) 2015-10-14

Similar Documents

Publication Publication Date Title
CN103422617B (en) The continuous i beam of Wavelike steel webplate steel-concrete combined structure
CN103422616A (en) Continuous box girder adopting corrugated steel web steel and concrete composite structure
CN103061418A (en) Continuous variable-stiffness shear key type steel-concrete joint section
CN103015632A (en) Corrugated steel plate confined concrete combination column and manufacturing method thereof
CN103526689B (en) Wavelike steel webplate steel-concrete combined structure simple supported box beam
CN203403604U (en) Simply supported flanged beam with corrugated steel web steel reinforced concrete composite structure
CN203188112U (en) Steel-concrete rigid-connection combined beam
CN203403595U (en) Compression flange enhanced type H-shaped steel or I-shaped steel
CN103422421B (en) Wavelike steel webplate steel work simple supported box beam
CN103422618B (en) Wavelike steel webplate steel-concrete combined structure simply supported l beam
CN202706265U (en) Improved type double-layer steel plate concrete shear wall
CN203487700U (en) Steel mixed composite structural continuous I beam of corrugated steel web
CN203347105U (en) Open-web flat beam
CN107574951B (en) Orthogonal laminated wood shear wall with energy-consuming connecting piece and opening
CN102776966A (en) Modified double-layered steel plate concrete shear wall and construction method thereof
CN103422614A (en) Continuous box girder adopting corrugated steel web steel structure
CN202249004U (en) Improved steel structure plant structure
CN203403597U (en) Simply supported flanged beam with corrugated steel web steel structure
CN103422613A (en) Simply supported I beam adopting corrugated steel web steel structure
CN104313992B (en) A kind of waveform diaphragm of corrugated steel web plate composite box girder bridge
CN203403596U (en) Continuous flanged beam with corrugated steel web steel structure
CN102337723B (en) Bridge
CN209742080U (en) Wood structure assembled section steel bolt node
CN209053332U (en) A kind of shuttle shape lattice column with covering
CN102644237A (en) Dual-span spatial arch cable-stayed bridge

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: HANGZHOU YANGLI STEEL STRUCTURE CO., LTD.

Free format text: FORMER OWNER: HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY CO., LTD.

Effective date: 20141128

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 311215 HANGZHOU, ZHEJIANG PROVINCE TO: 311200 HANGZHOU, ZHEJIANG PROVINCE

TA01 Transfer of patent application right

Effective date of registration: 20141128

Address after: 311200 Nanyang Economic Development Zone, Xiaoshan District, Zhejiang, Hangzhou

Applicant after: Hangzhou Li Yang Steel Structure Co., Ltd.

Address before: Hangzhou City, Zhejiang province 311215 Xiaoshan economic and Technological Development Zone, North Building 2 room 1711 Ning'an

Applicant before: Hangzhou Boshu Civil Engineering Technology Co., Ltd.

ASS Succession or assignment of patent right

Owner name: ZHEJIANG CTB CORRUGATED STEEL WEB CO., LTD.

Free format text: FORMER OWNER: HANGZHOU YANGLI STEEL STRUCTURE CO., LTD.

Effective date: 20150228

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 311200 HANGZHOU, ZHEJIANG PROVINCE TO: 314422 HANGZHOU, ZHEJIANG PROVINCE

TA01 Transfer of patent application right

Effective date of registration: 20150228

Address after: 314422, No. 168-2, village, town, Hangzhou, Xiaoshan District, Zhejiang

Applicant after: Zhejiang CTB Corrugated Steel Web Co., Ltd.

Address before: 311200 Nanyang Economic Development Zone, Xiaoshan District, Zhejiang, Hangzhou

Applicant before: Hangzhou Li Yang Steel Structure Co., Ltd.

C14 Grant of patent or utility model
GR01 Patent grant