CN101220697A - Double-ripple ventral shield steel case built-up beam - Google Patents

Double-ripple ventral shield steel case built-up beam Download PDF

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Publication number
CN101220697A
CN101220697A CNA2008100330260A CN200810033026A CN101220697A CN 101220697 A CN101220697 A CN 101220697A CN A2008100330260 A CNA2008100330260 A CN A2008100330260A CN 200810033026 A CN200810033026 A CN 200810033026A CN 101220697 A CN101220697 A CN 101220697A
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CN
China
Prior art keywords
flange
web
steel
ripple
double
Prior art date
Application number
CNA2008100330260A
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Chinese (zh)
Inventor
李国强
孙飞飞
张哲�
王卫永
王开强
王文涛
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同济大学
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Application filed by 同济大学 filed Critical 同济大学
Priority to CNA2008100330260A priority Critical patent/CN101220697A/en
Publication of CN101220697A publication Critical patent/CN101220697A/en

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Abstract

The invention belongs to the technical field of architectural profiles and particularly relates to a double corrugated web steel box composite beam. The sectional shape of the invention is composed of two symmetrically arranged corrugated webs, a top flange and a lower flange. The top flange is parallel with the lower flange, the web is vertical to the top flange and the lower flange, the web and the flange are connected by single-side fillet joint, and the web has periodically repetitive trapezoidal wave or sinusoid wave along the length direction. The top of the composite beam is a reinforced concrete wing plate and a profiling steel plate. The top flange, the reinforced concrete slab and the profiling steel plate are connected each other by male pins, and a transverse reinforcement can be additionally used for the connection between the reinforced concrete wing plate and the profiling steel plate. The invention can replace the traditional hot rolled flange beam, H-beam composite beam and welded steel box composite beam; furthermore, the invention has wider application than the flange beam and the H-beam composite beam, and can realize maximization to be used in special fields and special places, including the construction of wide-span industrial and civilian buildings and wide-span bridges, etc.

Description

Double-ripple ventral shield steel case built-up beam
Technical field
The invention belongs to section bar technical field for building, be specifically related to a kind of double-ripple ventral shield steel case built-up beam.
Background technology
What generally adopt in similar field at present is common hot rolling i iron, hot rolled H-shaped and welded H section steel compound beam.The combinations thereof beam is formed primary structure member by bottom girder steel and upper reinforcement concrete slab by shear connector, and girder steel generally adopts hot rolling i iron, hot rolled H-shaped and welded H section steel, and this design is found in patent---compound beam (ZL 95195718.X).In addition, also have and adopt the plain plate steel case beam that is welded, constitute flat web plate steel box compound beam with concrete slab.
Common hot rolling i iron and H shaped steel form by hot rolling in factory, are subjected to the restriction of processing technology, and its web must be a module extender board.Welded H section steel then is that two blocks of frange plates and a planar webs are welded together composition H type cross section, when the hot-rolled steel section specification can't meet the demands, can adopt welded H section steel.But welded H section steel adopts the dihedral weld seam more, and the welding job amount is bigger.
Common hot rolling i iron and H shaped steel steel using amount are big, and main cause is that the anti-flexion capabilities of planar webs is lower, so need to improve web thickness.And also there is same problem in welded H section steel, so need the ratio of height to thickness of web be limited when design, cause its web thickness general also thicker, so steel using amount is excessive.In addition, welded H section steel also will need to take the special technique measure in use, and such as stiffening rib or utilize Post-buckling Strength of Web Plate etc., design and construction are all comparatively complicated.
Weldable steel case beam adopts four block plates to be welded, and wherein two block plates are as web, parallel placement, and two blocks of frange plates are vertical with abdomen, and the edge of a wing is parallel to each other, and the edge of a wing and web are by being welded to connect.This member has been optimized the performance of member to a certain extent, especially section is box-shaped, side direction non-deformability and whole anti-torsion ability to member all are significantly increased, but because it still adopts plain plate as web, so the web steel using amount is still bigger.
All there are strict requirements to the web ratio of height to thickness of welded H section steel and weldable steel case beam for the existing norm of steel structure of China (GB50017-2003), after surpassing a threshold value, need to adopt certain method web to be strengthened as the welding stiffening rib, will increase labor content like this, and welding procedure adverse effect such as can cause that also stress is concentrated, and be difficult to realize automated production.And traditional hot rolling i iron and H shaped steel is owing to be subjected to the restriction of processing technology and process equipment, the difficult maximization that realizes product, and when desired supporting capacity and rigidity were big, traditional product was difficult to meet the demands.If finish by design, processing welded H section steel, then comparatively time-consuming, improve cost, and influence construction speed.
Research and discussion replace traditional shaped steel as the girder steel in the compound beam with double corrugated web plate steel box girder, and then are applied to the multi-rise building field, and realization reduces cost, optimizes performance, the length that increases the service life, and is those skilled in the art's goal in research.
Summary of the invention
The object of the present invention is to provide the double-ripple ventral shield steel case built-up beam of a kind of with low cost, superior performance, long service life.
The double-ripple ventral shield steel case built-up beam that the present invention proposes is connected and composed by top flange 1, web 2, web 3, bottom flange 4, profiled sheet 5 and steel concrete wing plate 8, and its structure as Figure 1-3.Wherein, top flange 1 is parallel with bottom flange 4, web 2 and web 3 are respectively vertically between top flange 1 and bottom flange 4, the section of web 2 and web 3 all is the waveform that even or inhomogeneous periodicity repeats, this ripple section is the trapezoidal or sine curve of arc chord angle, see Fig. 4 respectively, Fig. 5, steel concrete wing plate 8 is positioned at profiled sheet 5 tops, profiled sheet 5 is positioned at 1 top, top flange, steel concrete wing plate 8, profiled sheet 5, top flange 1 three is fixing by peg 6, peg 6 can be used as shear connector with steel concrete wing plate 8, profiled sheet 5, girder steel top flange 1 connects into integral body, transverse reinforcement 7 is welded in profiled sheet 5 tops, can be used as the connector between profiled sheet 5 and the armored concrete slab 8.
Among the present invention, the inclination angle of the trapezoidal oblique line section that described arc chord angle is trapezoidal is 30-90 °.
Among the present invention, be respectively the single face fillet weld between described web 2 and top flange 1 or the bottom flange 4.
Among the present invention, be respectively the single face fillet weld between described web 3 and top flange 1 or the bottom flange 4.
Among the present invention, described web 2 and web 3 symmetries are placed, and are cellular section structure.
Among the present invention, the bellows-shaped of described web 2 and web 3 adopts numerical control bending technology or numerical control roll-in technology to make.And the density of web 2 and web 3 ripples and height can change as requested.
The present invention is hot rolled H-shaped by changing, the web shape of welded H section steel and weldable steel case beam, has optimized the section mechanical property of girder steel in the compound beam, by web be shaped, explained hereafter products of the present invention such as full-automatic welding, anticorrosion, anti-fire processing.
Among the present invention, described steel concrete wing plate 8 is a Reinforced Concrete Materials, and member 5 is a profiled sheet, can be used as the permanent template of steel concrete wing plate 8, connects by peg 6 between girder steel top flange 1, profiled sheet 5 and the steel concrete wing plate 8.
Preparation technology of the present invention is as follows: will bend the trapezoidal corrugated web that becomes arc chord angle along its length with steel, or become the sinusoidal waveforms web by roll-in, and adopt the single face fillet weld to be welded into box section with two wing plates then.It is relations of having optimized to a greater extent between section mechanical property and the product steel using amount that this novel section makes up maximum characteristics, makes it more to be tending towards rationalization, scientific.Therefore, the present invention has good stress performance, good anti-fatigue performance and the characteristics that combine from heavy and light such as high bearing capacity, high rigidity, high anti-twisting property, is very good structural shapes material.The present invention simultaneously adopts full automatic welding connection technology and professional positioning tool anchor clamps, can guarantee accurate positioning between two webs and two wing plates, and the seam track unanimity realizes standardization easily.Weld seam nothing attractive in appearance is splashed, and has welded product and has not needed shaping.The present invention adopts numerical control slippage forming technique and roll-in technology processing web, can realize that product maximizes.Web processing technology and industrial production welding efficiency are complementary simultaneously, can realize large-scale industrial production.
The present invention compares with hot rolling i iron, H shaped steel and welded H section steel compound beam, and its lateral rigidity and antitorque bearing capacity are significantly increased, and steel using amount is more economized.The present invention compares with the compound beam of H shaped steel with adopting the hot rolling i iron, owing to can obtain higher anti-flexing bearing capacity and monolithic stability bearing capacity with thin web thickness, so have higher economic advantages.The present invention compares with the compound beam of H shaped steel with adopting the hot rolling i iron, and under the approximate situation of rigidity and bearing capacity, the girder steel steel using amount can be saved about 40%~60%, saves about 30% than welded H section steel.
The present invention is based on following two facts:
1) adopts two webs to form box section, with respect to the meridosternous member of equal height and material, can improve the stability and the bearing capacity of member greatly, especially antitorque bearing capacity.
2) corrugated steel is compared with plain plate, and deformability all is significantly increased outside its shear-carrying capacity and the anti-face under the identical situation of thickness.Use it for the building structural steel beam a large amount of steel of saving under the prerequisite that guarantees shear-carrying capacity can be arranged.
Therefore, adopt corrugated steel to form box section as web, and apply it in the compound beam, can bring into play above-mentioned two kinds of technical advantages simultaneously, its product is than like products such as common hot rolled H-shaped, i iron, welded H section steel, single corrugated sternum H-shaped steel composite beams, and its mechanical property is significantly increased, and wing plate, web thickness all can reduce, thereby more can save rolled steel dosage significantly, this point meets the overall goal of China's sustainable development strategy.
The present invention has substantial advantageous feature in the following aspects:
1) the present invention adopts extraordinary numerical control bending technology and numerical control roll-forming fabrication techniques corrugated steel web 2 and web 3, can be implemented in and stressedly reduce wavelength than large part, strengthen ripple density or increase wave height, and at the more sparse ripple of stressed less position employing, realized along the optimization of beam length direction, thereby can reach the double effects that improves bearing capacity and save steel.
2) the present invention adopts numerical control bending technology and numerical control roll-in technology can realize the maximization of member in the making of corrugated steel, for example can produce the big section steel beam that depth of section reaches 3 meters to 4 meters.
Forming techniques such as 3) numerical control bending technology and numerical control roll-in technology are adopted in the making of corrugated web 2 and web 3, and therefore permanent set that is produced and local draw ratio punching press or clod wash be rolling significantly reduce, so performance is more excellent, and production efficiency is higher.
Therefore 4) the present invention adopts corrugated web 2 and 3 to have higher fatigue resistance than flat web, can be applied in some to the higher specific area of member anti-fatigue performance requirement, as the large scale industry factory building etc.
5) the present invention adopts box section, has higher antitorque bearing capacity and monolithic stability bearing capacity, can be used as the main stress member and is applied in the structure.
The present invention can be used as the substitute products of traditional i iron and H shaped steel compound beam, and it is more extensive than i iron and H shaped steel compound beam purposes, the maximization that can realize member is used for special dimension and particular location, comprises the construction of large span industrial civil building and Longspan Bridge etc.
Description of drawings
Fig. 1 illustrates for structure three-dimensional of the present invention.
Fig. 2 is a cross section of the present invention diagram
Fig. 3 is a vertical section of the present invention diagram.
Fig. 4 is the sectional schematic diagram of trapezoidal corrugated web.
Fig. 5 is the sectional schematic diagram of sine curve corrugated web.
Number in the figure: 1 is the top flange, and 2 and 3 is web, and 4 is the bottom flange, and 5 is profiled sheet, and 6 is peg, and 7 is transverse reinforcement, and 8 is the steel concrete wing plate.
The specific embodiment
Further specify the present invention below by the example structure accompanying drawing.
Embodiment 1: its section shape of the mouth as one speaks of double-ripple ventral shield steel case built-up beam is made of central-web 2 and web 3 and top flange 1, bottom flange 4 disjunctors, top flange 1 is parallel with bottom flange 4, web 2 and web 3 be perpendicular to top flange 1 and bottom flange 4, web 2 and 3 for section configuration be trapezoidal.Steel concrete wing plate 8 is positioned at profiled sheet 5 tops, and profiled sheet 5 is positioned at 1 top, top flange, and steel concrete wing plate 8, profiled sheet 5, top flange 1 three fix by major part peg 6, and transverse reinforcement 7 is welded in profiled sheet 5 tops.
For verifying this device performance, made test specimen research.The material of steel all adopts the Q235 steel in the test specimen, and steel concrete wing plate 8 thickness are 100 millimeters, adopts the C20 concrete, and peg 6 adopts M19 * 100, and profiled sheet 5 adopts YX38-175-700.The top flange 1 of test specimen and bottom flange 4 thickness are 10 millimeters, and width is 150 millimeters, and web 2 thickness are 2 millimeters, 500 millimeters of height, and 38 millimeters of ripple height, the inclination angle of its tilting section is 58 °, 175 millimeters of wavelength.

Claims (6)

1. double-ripple ventral shield steel case built-up beam, by top flange (1), web (2), web (3), bottom flange (4), profiled sheet (5) and steel concrete wing plate (8) connect and compose, its knot is characterised in that top flange (1) is parallel with bottom flange (4), web (2) and web (3) vertically are positioned at respectively between top flange (1) and bottom flange (4), the section of web (2) and web (3) all is the waveform that even or inhomogeneous periodicity repeats, this ripple section is the trapezoidal or sine curve of arc chord angle, and symmetry is placed, see figure (4) respectively, figure (5), steel concrete wing plate (8) is positioned at profiled sheet (5) top, profiled sheet (5) is positioned at top, top flange (1), steel concrete wing plate (8), profiled sheet (5), top flange (1) three is fixing by peg (6), peg (6) as shear connector with steel concrete wing plate (8), profiled sheet (5), girder steel top flange (1) connects into integral body, transverse reinforcement (7) is welded in profiled sheet (5) top, as the connector between profiled sheet (5) and the armored concrete slab (8).
2. double-ripple ventral shield steel case built-up beam according to claim 1, the inclination angle that it is characterized in that the trapezoidal oblique line section that described arc chord angle is trapezoidal is 30-90 °.
3. double-ripple ventral shield steel case built-up beam according to claim 1 is characterized in that being respectively the single face fillet weld between described web (2) and top flange (1) or bottom flange (4).
4. double-ripple ventral shield steel case built-up beam according to claim 1 is characterized in that being respectively the single face fillet weld between described web (3) and top flange (1) or bottom flange (4).
5. double-ripple ventral shield steel case built-up beam according to claim 1 is characterized in that the placement of described web (2) and web (3) symmetry, is cellular section structure.
6. double-ripple ventral shield steel case built-up beam according to claim 1 is characterized in that the bellows-shaped of described web (2) and web (3) adopts numerical control bending technology or numerical control roll-in technology to make.
CNA2008100330260A 2008-01-24 2008-01-24 Double-ripple ventral shield steel case built-up beam CN101220697A (en)

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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103255877A (en) * 2013-04-19 2013-08-21 北京工业大学 Assembling type pre-stress honeycombed ribbed web steel beam
CN103290992A (en) * 2013-04-19 2013-09-11 北京工业大学 Assembly type ripple web plate occluded steel beam
CN103306411A (en) * 2012-12-20 2013-09-18 上海钢之杰钢结构建筑有限公司 Detachable combined floor system based on profiled steel sheets and concrete
CN103422617A (en) * 2013-07-18 2013-12-04 杭州博数土木工程技术有限公司 Continuous I beam adopting corrugated steel web steel and concrete composite structure
CN103422618A (en) * 2013-07-18 2013-12-04 杭州博数土木工程技术有限公司 Simply supported I beam adopting corrugated steel web steel and concrete composite structure
CN103422616A (en) * 2013-07-18 2013-12-04 杭州博数土木工程技术有限公司 Continuous box girder adopting corrugated steel web steel and concrete composite structure
CN103437500A (en) * 2013-09-16 2013-12-11 南京工业大学 C-type steel-concrete combined compression flange and corrugated web combined box girder
CN103437494A (en) * 2013-09-12 2013-12-11 南京工业大学 Combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and production and installation method of combined beam
CN103485483A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type honeycombed web composite beam
CN103485477A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type prestress corrugated web holding-on composite beam
CN103485479A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type prestress honeycombed web composite beam
CN103485478A (en) * 2013-09-13 2014-01-01 北京工业大学 Prestress assembly type corrugation web holding-on combination beam applied to multi-story and high-rise buildings
CN103485476A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type corrugated web holding-on H shaped steel composite beam
CN103498529A (en) * 2013-09-13 2014-01-08 北京工业大学 Assembly type prestress honeycombed ribbed web plate composite beam
CN103835436A (en) * 2014-03-17 2014-06-04 南京工业大学 Corrugated web steel column with box section
CN104878879A (en) * 2015-05-13 2015-09-02 同济大学 Anti-shear reinforcing structure of steel beam
CN104947851A (en) * 2015-06-25 2015-09-30 肖林 Corrugated steel baseplate and concrete composite beam
CN105951608A (en) * 2016-05-20 2016-09-21 中国水利水电第十工程局有限公司 Pushing construction method for corrugated steel web prestressed concrete combination beam
CN106835929A (en) * 2017-03-09 2017-06-13 河南大建桥梁钢构股份有限公司 A kind of assembled Wavelike steel webplate continuous composite beam
RU2664520C1 (en) * 2017-11-21 2018-08-20 Михаил Борисович Жуков T-beam
CN110067333A (en) * 2019-05-13 2019-07-30 中州装备制造股份有限公司 Rigid roof beam structure and preparation method thereof and rigid structure body
CN111663711A (en) * 2020-05-20 2020-09-15 江苏科技大学 Steel-concrete composite beam and preparation method thereof
CN111794423A (en) * 2020-07-16 2020-10-20 山东建筑大学 Steel-concrete combined beam structure, building and construction method

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306411A (en) * 2012-12-20 2013-09-18 上海钢之杰钢结构建筑有限公司 Detachable combined floor system based on profiled steel sheets and concrete
CN103290992B (en) * 2013-04-19 2015-11-04 北京工业大学 Assembling corrugated web occlusion girder steel
CN103290992A (en) * 2013-04-19 2013-09-11 北京工业大学 Assembly type ripple web plate occluded steel beam
CN103255877A (en) * 2013-04-19 2013-08-21 北京工业大学 Assembling type pre-stress honeycombed ribbed web steel beam
CN103255877B (en) * 2013-04-19 2015-11-25 北京工业大学 Prefabricated PC honeycombed ribbing web steel beam
CN103422617B (en) * 2013-07-18 2016-04-20 浙江中隧桥波形钢腹板有限公司 The continuous i beam of Wavelike steel webplate steel-concrete combined structure
CN103422616B (en) * 2013-07-18 2016-05-25 浙江中隧桥波形钢腹板有限公司 Wavelike steel webplate steel-concrete combined structure continuous box girder
CN103422618B (en) * 2013-07-18 2016-04-20 浙江中隧桥波形钢腹板有限公司 Wavelike steel webplate steel-concrete combined structure simply supported l beam
CN103422618A (en) * 2013-07-18 2013-12-04 杭州博数土木工程技术有限公司 Simply supported I beam adopting corrugated steel web steel and concrete composite structure
CN103422617A (en) * 2013-07-18 2013-12-04 杭州博数土木工程技术有限公司 Continuous I beam adopting corrugated steel web steel and concrete composite structure
CN103422616A (en) * 2013-07-18 2013-12-04 杭州博数土木工程技术有限公司 Continuous box girder adopting corrugated steel web steel and concrete composite structure
CN103437494A (en) * 2013-09-12 2013-12-11 南京工业大学 Combined beam of engineered wood, profiled steel sheet and light-weight aggregate concrete and production and installation method of combined beam
CN103485478A (en) * 2013-09-13 2014-01-01 北京工业大学 Prestress assembly type corrugation web holding-on combination beam applied to multi-story and high-rise buildings
CN103498529A (en) * 2013-09-13 2014-01-08 北京工业大学 Assembly type prestress honeycombed ribbed web plate composite beam
CN103485476A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type corrugated web holding-on H shaped steel composite beam
CN103485479A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type prestress honeycombed web composite beam
CN103485483A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type honeycombed web composite beam
CN103485477A (en) * 2013-09-13 2014-01-01 北京工业大学 Assembly type prestress corrugated web holding-on composite beam
CN103498529B (en) * 2013-09-13 2015-08-26 北京工业大学 A kind of prefabricated PC honeycombed ribbing web combination beam
CN103437500A (en) * 2013-09-16 2013-12-11 南京工业大学 C-type steel-concrete combined compression flange and corrugated web combined box girder
CN103835436A (en) * 2014-03-17 2014-06-04 南京工业大学 Corrugated web steel column with box section
CN104878879B (en) * 2015-05-13 2017-06-13 同济大学 The shearing resistance reinforcement structure of girder steel
CN104878879A (en) * 2015-05-13 2015-09-02 同济大学 Anti-shear reinforcing structure of steel beam
CN104947851A (en) * 2015-06-25 2015-09-30 肖林 Corrugated steel baseplate and concrete composite beam
CN105951608A (en) * 2016-05-20 2016-09-21 中国水利水电第十工程局有限公司 Pushing construction method for corrugated steel web prestressed concrete combination beam
CN106835929A (en) * 2017-03-09 2017-06-13 河南大建桥梁钢构股份有限公司 A kind of assembled Wavelike steel webplate continuous composite beam
RU2664520C1 (en) * 2017-11-21 2018-08-20 Михаил Борисович Жуков T-beam
CN110067333A (en) * 2019-05-13 2019-07-30 中州装备制造股份有限公司 Rigid roof beam structure and preparation method thereof and rigid structure body
CN110067333B (en) * 2019-05-13 2020-11-27 中州装备制造股份有限公司 Rigid beam frame, method for manufacturing same, and rigid structure
CN111663711A (en) * 2020-05-20 2020-09-15 江苏科技大学 Steel-concrete composite beam and preparation method thereof
CN111794423A (en) * 2020-07-16 2020-10-20 山东建筑大学 Steel-concrete combined beam structure, building and construction method

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