CN104499642A - H-section steel - Google Patents
H-section steel Download PDFInfo
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- CN104499642A CN104499642A CN201510023900.2A CN201510023900A CN104499642A CN 104499642 A CN104499642 A CN 104499642A CN 201510023900 A CN201510023900 A CN 201510023900A CN 104499642 A CN104499642 A CN 104499642A
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- web
- flange
- top flange
- bottom flange
- profile steel
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Abstract
The invention discloses an H-section steel. The H-section steel comprises a web, a top flange and a bottom flange; the web is located between the top flange and the bottom flange; the surface of each of the top flange and the bottom flange comprises an inner side surface and an outer side surface opposite to the inner side surface; the inner side surfaces of the top flange and the bottom flange both are connected with the web; lugs are arranged on the outer surface of the top flange and/or the outer surface of the bottom flange; a groove is formed in the outer side surface of the web; the outer side surface of the web is parallel to the length direction of the web. According to the H-section steel, the binding force between the H-section steel and the concrete is increased.
Description
Technical field
The present invention relates to concrete structure technique field, be specifically related to a kind of H profile steel.
Background technology
Flourish along with domestic infrastructure, the foundation construction amounts of going into operation such as numerous subway, speedway, high-speed railway constantly increase, being in great demand to supporting part.
At present, the supporting part playing load-bearing result mainly adopts concrete and reinforcing bar manufacture.This class formation makes the manufacturing cycle longer owing to have employed reinforcing bar in manufacture process, and component own vol and own wt are all comparatively large, and cost of transportation is higher.
Summary of the invention
In order to solve the problem, embodiments provide a kind of H profile steel, it comprises: web, top flange and bottom flange; Described web is between described top flange and described bottom flange; Described top flange and the surface of described bottom flange include medial surface and the lateral surface relative with described medial surface, and described top flange is all connected with described web with the medial surface of described bottom flange; The lateral surface of described top flange and/or described bottom flange is provided with projection; The lateral surface of described web is provided with groove, and the lateral surface of described web is the surface of the extension of the length direction along described top flange of described web.
In H profile steel as above, preferably, the quantity of described projection is multiple, and multiple described projection is arranged in the mode of arrayed.
In H profile steel as above, preferably, the junction of the lateral surface of the side of described projection and the lateral surface of described top flange or described bottom flange is smooth curved transition.
In H profile steel as above, preferably, the quantity of described groove is multiple, and multiple described groove is arranged in the mode of arrayed.
In H profile steel as above, preferably, the junction of the side of described groove and the lateral surface of described web is smooth curved transition.
In H profile steel as above, preferably, described web, described top flange, described bottom flange, described projection and described groove are integrally formed by hot rolling.
In H profile steel as above, preferably, the cross section of described top flange and described bottom flange is rectangular; The thickness of described top flange and described bottom flange and the thickness ratio of described web are 1:1 ~ 1.5:1; The length of described top flange and described bottom flange and the lenth ratio of described web are 1:1 ~ 1:1.5.
In H profile steel as above, preferably, described top flange and described bottom flange are parallel to each other, and all vertical with described web.
In H profile steel as above, preferably, the junction that is connected to form with described web respectively of described top flange and described bottom flange is in seamlessly transitting.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
1, every dimensional parameters of H profile steel of providing of the embodiment of the present invention is extremely stable, can be used for the manufacture of steel-mixed component, and can shorten production cycle when steel reinforced concrete component manufacturing enterprise manufactures steel-mixed component, cost of production significantly reduces.
2, the steel that the H profile steel adopting the embodiment of the present invention to provide manufactures-mixed construction weight is light, can reduce cost of transportation, reduce the discharge value of carbon dioxide.
The intensity of the steel that the H profile steel 3, adopting the embodiment of the present invention to provide manufactures-mixed component is high, can remove or reduce the use amount of plate-girder.
4, the H profile steel that the embodiment of the present invention provides adopts hot rolling one-body molded, and can realize batch production and the supply of material, production efficiency and using rate of metal significantly improve.
Accompanying drawing explanation
The schematic three dimensional views of a kind of H profile steel that Fig. 1 provides for the embodiment of the present invention;
The sectional view of a kind of H profile steel that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the close-up schematic view at A place in Fig. 2;
Fig. 4 is the close-up schematic view at B place in Fig. 2;
Wherein, in figure, symbol description is as follows:
The medial surface of 1-web, 2-top flange, 3-bottom flange, 21-top flange, the lateral surface of 22-top flange,
The medial surface of the upper side of 23-top flange, the right flank of 24-top flange, 31-bottom flange,
The right flank of the lateral surface of 32-bottom flange, the upper side of 33-bottom flange, 34 bottom flanges,
11, the lateral surface of 12-web, 4-is protruding, 41-is protruding upper end face, 42-projection side,
The bottom surface of 5-groove, 51-groove, the side of 52-groove, 7-H shaped steel.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 1-4, embodiments provide a kind of H profile steel, it comprises: web 1, top flange 2 (or first wing plate) and bottom flange 3 (or second wing plate), the two ends of web 1 are connected with top flange 2 and bottom flange 3 respectively, in order to mention H profile steel by force intensity, top flange 2 and bottom flange 3 be arranged in parallel, and web 1 is to arrange perpendicular to the mode at the middle part of top flange 2 and bottom flange 3 respectively.The section (or cross section) of web 1 is preferably rectangular.Because this H profile steel is used for being combined with concrete forming concrete structure, therefore this H profile steel can be described as concrete structure H profile steel.
The face be connected with web 1 in the surface of top flange 2 is referred to as medial surface 21, and face relative with medial surface 21 in the surface of top flange 2 is referred to as lateral surface 22; The face be connected with web 1 in the surface of bottom flange 3 is referred to as medial surface 31, and face relative with medial surface 22 in the surface of bottom flange 3 is referred to as lateral surface 32.In order to improve the adhesion between concrete, the top flange 2 of H profile steel and/or the lateral surface of bottom flange 3 are provided with protruding 4, the lateral surface of web 1 is provided with groove 5, the lateral surface of web 1 is parallel with the length direction L of web 1, and the lateral surface namely extended along the length direction of web is provided with groove.Preferably, the lateral surface of top flange 2 and bottom flange 3 is provided with protruding 4; Two lateral surfaces 11,12 of web 1 are provided with groove 5.
Because H profile steel surface is provided with projection and groove, be applied in steel-concrete structure part (or concrete structure), the adhesion between concrete can be improved, and can the harm producing gap due to variations in temperature and unbalance stress between steel-concrete be reduced, reduce the relative displacement under stress between steel-concrete, improve the security performance of member integrated.Also can being widely used in the Facilities Construction such as subway, trestle, parking systems, track, abrupt slope, room passage for substituting original reinforced concrete beam and post, can effectively reducing the engineering time, increasing work efficiency and security performance.
In order to improve the adhesion between concrete further, the quantity of protruding 4 is multiple, multiple protruding 4 are arranged in the mode of arrayed, preferably, the line direction of often going in multiple arrayed convexed to form is consistent with the length direction of top flange or bottom flange, and the column direction often arranged in multiple arrayed convexed to form is consistent with the width of top flange or bottom flange.Be disposed at equal intervals along the multiple projections in each row of the width B of top flange or bottom flange, be disposed at equal intervals along the multiple projections in every a line of the length direction L of top flange or bottom flange, spacing distance is 10 ~ 60mm, preferably 20 ~ 50mm, such as 20mm, 30mm, 40mm, 45mm, 50mm.As shown in Figure 1, width B is provided with 4 projections, is provided with 8 projections in the longitudinal direction, lateral surface is formed the array of 4 × 8.
In order to further improve the adhesion between concrete, the quantity of groove 5 is multiple, multiple groove 5 is arranged in the mode of arrayed, preferably, the line direction of often going in the arrayed that multiple groove is formed is consistent with the length direction of top flange or bottom flange, and the column direction often arranged in the arrayed that multiple groove is formed is consistent with the short transverse of web.Be disposed at equal intervals along the multiple grooves 5 in each row of the short transverse H of web 1, be disposed at equal intervals along the multiple grooves 5 in every a line of the length direction (i.e. the length direction L of top flange or bottom flange) of web, spacing distance is 10 ~ 60mm, preferably 20 ~ 50mm, such as 20mm, 30mm, 40mm, 45mm, 50mm.As shown in Figure 1, short transverse H is provided with 3 grooves 5 in each row, is provided with 8 grooves 5 in every a line in the length directionl, lateral surface is formed the array of 3 × 8.
The junction that the protruding side of 4 and the lateral surface of top flange 2 or bottom flange 3 are connected to form is smooth curved transition, particularly, see Fig. 3, protruding 4 comprise end face 41 and side 42, the side 42 of the projection on the lateral surface of top flange is smooth curved transition, such as arc transition with the junction of the side of projection on the lateral surface 22 of top flange or bottom flange lateral surface and the lateral surface 32 of bottom flange.Junction between protruding upper end face and side is smooth curved transition, such as arc transition.Preferably, protruding height is 1 ~ 5mm, and length is 20 ~ 70mm, and width is 10 ~ 50mm, and further preferably, protruding height is 1 ~ 3mm, and length is 30 ~ 60mm, and width is 20 ~ 40mm.Protruding thickness is 1:11 ~ 1:3 to the ratio between the thickness being provided with protruding corresponding top flange or bottom flange, is preferably 1:10 ~ 1:4, such as 1:10,1:7,1:4.The external surface of top flange is provided with projection, distance in multiple projection between the upper side 23 of arbitrary projection and top flange and downside 24 (namely relative with upper side side) is all more than or equal to 5mm, is all more than or equal to 10mm with the distance between the right flank 24 of top flange and left surface (namely relative with right flank side).Preferably, distance range in multiple projection and between the shortest projection of the spacing of upper side 23 and upper side 23 is 5 ~ 50mm, distance range in multiple projection and between the shortest projection of the spacing of downside and downside is 5 ~ 50mm, distance range in multiple projection and between the shortest projection of the spacing of right flank 24 and right flank 24 is 10 ~ 50mm, and the distance range in multiple projection and between the shortest projection of the spacing of left surface and left surface is 10 ~ 50mm.The external surface of bottom flange is provided with projection, and the distance between the downside of the upper side 23 of the projection on the Distance geometry aforementioned top flange external surface between the left surface of the right flank 34 of protruding upper side 33 with bottom flange, bottom flange, the downside of bottom flange, bottom flange and top flange, the right flank 24 of top flange, top flange, the left surface of top flange is corresponding the same.
The junction that the side of groove 5 and the lateral surface of web are connected to form is smooth curved transition, particularly, see Fig. 4, groove 5 comprises bottom surface 51 (or being called bottom land) and side 52 (or being called cell wall), the side 52 of the groove on web outside face is smooth curved transition, such as arc transition with the junction of the lateral surface 11,12 of web.Junction between the bottom surface of groove and side is smooth curved transition, such as arc transition.Preferably, the degree of depth of groove is 1 ~ 5mm, and length is 20 ~ 70mm, and width is 10 ~ 50mm, and further preferably, the degree of depth of groove is 1 ~ 3mm, and length is 30 ~ 60mm, and width is 20 ~ 40mm.Ratio between the thickness of groove and the thickness of web is 1:12 ~ 1:2, is preferably 1:11 ~ 1:3, such as 1:11,1:7,1:3.In multiple groove arbitrary groove and top flange/bottom flange medial surface between distance be more than or equal to 10mm, in multiple groove arbitrary groove and in smooth curved transition junction between distance be more than or equal to 5mm.Preferably, distance range in multiple groove and between the shortest groove of the spacing of medial surface and medial surface is 10 ~ 50mm, and the distance range between the groove that the spacing of the junction in multiple groove and in smooth curved transition is the shortest and this junction is 5 ~ 45mm.
The cross section of protruding 4 can be rectangular.Such as: the height of rectangular preiection is 1mm, width is 20mm, length is 30mm; The height of rectangular preiection is 3mm, width is 40mm, length is 60mm.The cross section of protruding 4 can also assume diamond in shape.Such as: the height of rhombus projection is 1mm, the length of side is 20mm.The height of rhombus projection is 3mm, the length of side is 60mm.In other examples, protruding cross section also can in square, and the present embodiment does not limit this.The size of groove preferably with the consistent size of projection, the cross section of groove is preferably consistent with the cross section of projection.
Web 1, top flange 2, bottom flange 3 and protruding 4 are integrally formed by hot rolling, and namely web 1, top flange 2, bottom flange 3 and protruding 4 are integrated hot rolling structure.
Top flange 2 is preferably all identical with the intensity improving shaped steel with the shape and size of bottom flange 3, makes shaped steel more firm.
The cross section of top flange 2 and bottom flange 3 is preferably rectangular; The thickness of top flange 2 and bottom flange 3 and the thickness ratio of web 1 are 1:1 ~ 1.7:1, be preferably (1:1) ~ (1.5:1), that is the thickness of top flange 2 (bottom flange 3) is 1 ~ 1.5 times of web 1 thickness, such as 1:1,1.1:1,1.2:1,1.3:1,1.4:1,1.5:1; The length of top flange 2 and bottom flange 3 and the lenth ratio of web 1 are 1:1 ~ 1:1.7, be preferably 1:1 ~ 1:1.5, such as 1:1,1:1.1,1:1.2,1:1.3,1:1.4,1:1.5, so making the Thickness Ratio of the top flange of the present embodiment or bottom flange and web and length than being the factor such as applied environment, supporting capacity according to component and regioselective, overcoming short defect in wing plate shaped steel application life of causing easy to wear.It should be noted that the length of top flange/bottom flange in this section of description refers to the length of top flange/bottom flange at width B, the length of web refers to the length of web at short transverse H.
Top flange 2 and bottom flange 3 preferably seamlessly transit with the junction of web 1 respectively, such as arc-shaped transition, so make H profile steel stressed evenly, integrally bending stress and local stress numerical more tend to balance, safety factor improve.
In sum, the beneficial effect of the embodiment of the present invention is as follows:
1, every dimensional parameters of H profile steel of providing of the embodiment of the present invention is extremely stable, can be used for the manufacture of steel-mixed component, and can shorten production cycle when steel reinforced concrete component manufacturing enterprise manufactures steel-mixed component, cost of production significantly reduces.
2, the steel that the H profile steel adopting the embodiment of the present invention to provide manufactures-mixed construction weight is light, can reduce cost of transportation, reduce the discharge value of carbon dioxide.
The intensity of the steel that the H profile steel 3, adopting the embodiment of the present invention to provide manufactures-mixed component is high, can remove or reduce the use amount of plate-girder.
4, the H profile steel that the embodiment of the present invention provides adopts hot rolling one-body molded, and can realize batch production and the supply of material, production efficiency and using rate of metal significantly improve.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (9)
1. a H profile steel, is characterized in that, described H profile steel comprises: web, top flange and bottom flange; Described web is between described top flange and described bottom flange;
Described top flange and the surface of described bottom flange include medial surface and the lateral surface relative with described medial surface, and described top flange is all connected with described web with the medial surface of described bottom flange; The lateral surface of described top flange and/or described bottom flange is provided with projection;
The lateral surface of described web is provided with groove, and the lateral surface of described web is the surface of the extension of the length direction along described top flange of described web.
2. H profile steel according to claim 1, is characterized in that, the quantity of described projection is multiple, and multiple described projection is arranged in the mode of arrayed.
3. H profile steel according to claim 2, is characterized in that, the side of described projection be provided with the lateral surface of top flange of described projection or the junction of lateral surface of the bottom flange that is provided with described projection is smooth curved transition.
4. H profile steel according to claim 1, is characterized in that, the quantity of described groove is multiple, and multiple described groove is arranged in the mode of arrayed.
5. H profile steel according to claim 4, is characterized in that, the junction of the side of described groove and the lateral surface of described web is smooth curved transition.
6. H profile steel according to claim 1, is characterized in that, described web, described top flange, described bottom flange, described projection and described groove are integrally formed by hot rolling.
7. H profile steel according to claim 1, is characterized in that, the cross section of described top flange and described bottom flange is rectangular;
The thickness of described top flange and described bottom flange and the thickness ratio of described web are 1:1 ~ 1.5:1;
The length of described top flange and described bottom flange and the lenth ratio of described web are 1:1 ~ 1:1.5.
8. H type according to claim 1, is characterized in that, described top flange and described bottom flange are parallel to each other, and all vertical with described web.
9. H profile steel according to claim 1, is characterized in that, the junction that described top flange and described bottom flange are connected to form with described web is respectively in seamlessly transitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023900.2A CN104499642A (en) | 2015-01-16 | 2015-01-16 | H-section steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023900.2A CN104499642A (en) | 2015-01-16 | 2015-01-16 | H-section steel |
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| CN104499642A true CN104499642A (en) | 2015-04-08 |
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| CN201510023900.2A Pending CN104499642A (en) | 2015-01-16 | 2015-01-16 | H-section steel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178444A (en) * | 2015-08-11 | 2015-12-23 | 中冶建筑研究总院有限公司 | Concrete-high-strength steel-structure connection node and construction method thereof |
| CN105178506A (en) * | 2015-08-11 | 2015-12-23 | 中冶建筑研究总院有限公司 | Solid web girder with high-strength steel bars |
| CN108176714A (en) * | 2017-12-08 | 2018-06-19 | 山东钢铁股份有限公司 | Hot rolling decorative pattern H profile steel, rolling device and milling method |
| CN113152764A (en) * | 2021-05-13 | 2021-07-23 | 江苏科技大学 | Prefabricated composite floor slab adopting riveting C-shaped steel and steel plate and construction method thereof |
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| EP1605102A1 (en) * | 2003-03-18 | 2005-12-14 | JFE Steel Corporation | Section steel and wall body using the section steel |
| CN203147247U (en) * | 2012-12-12 | 2013-08-21 | 张国成 | High-strength H-type steel with web |
| CN203517277U (en) * | 2013-10-11 | 2014-04-02 | 天津津发钢结构工程有限公司 | C-type steel |
| CN204435666U (en) * | 2015-01-16 | 2015-07-01 | 山东钢铁股份有限公司 | H profile steel |
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| JP2000080757A (en) * | 1998-09-03 | 2000-03-21 | Hokuetsu Metal Co Ltd | Rolled deformed shape steel having deformed cross section |
| JP2002004494A (en) * | 2000-06-16 | 2002-01-09 | Sumitomo Metal Ind Ltd | H-steel with projection |
| EP1605102A1 (en) * | 2003-03-18 | 2005-12-14 | JFE Steel Corporation | Section steel and wall body using the section steel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178444A (en) * | 2015-08-11 | 2015-12-23 | 中冶建筑研究总院有限公司 | Concrete-high-strength steel-structure connection node and construction method thereof |
| CN105178506A (en) * | 2015-08-11 | 2015-12-23 | 中冶建筑研究总院有限公司 | Solid web girder with high-strength steel bars |
| CN108176714A (en) * | 2017-12-08 | 2018-06-19 | 山东钢铁股份有限公司 | Hot rolling decorative pattern H profile steel, rolling device and milling method |
| CN113152764A (en) * | 2021-05-13 | 2021-07-23 | 江苏科技大学 | Prefabricated composite floor slab adopting riveting C-shaped steel and steel plate and construction method thereof |
| CN113152764B (en) * | 2021-05-13 | 2023-07-14 | 江苏科技大学 | Prefabricated composite floor slab adopting riveted C-shaped steel and steel plate and construction method thereof |
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Application publication date: 20150408 |
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