CN105256890A - Tiled steel plate structure adopting T-shaped ribs and construction method thereof - Google Patents
Tiled steel plate structure adopting T-shaped ribs and construction method thereof Download PDFInfo
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- CN105256890A CN105256890A CN201510764271.9A CN201510764271A CN105256890A CN 105256890 A CN105256890 A CN 105256890A CN 201510764271 A CN201510764271 A CN 201510764271A CN 105256890 A CN105256890 A CN 105256890A
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Abstract
The invention relates to a tiled steel plate structure adopting T-shaped ribs and a construction method thereof, belonging to the technical field of steel structures. The tiled steel plate structure comprises an original structure, and also comprises newly added steel plate girders, a newly added side beam, newly added steel plate columns, a newly added tiled steel plate and the newly added T-shaped ribs which are connected with the original structure. On the basis of a common stiffening rib, the T-shaped ribs are adopted to replace original flat steel ribs or angle steel ribs, so as to increase the strength of the stiffening rib and reduce the deflection of the tiled steel plate, the construction is simple, the stress is reasonable, and the tiled steel plate structure and the construction method thereof can be widely applied to the technical field of the steel structure of the tiled steel plate structure.
Description
Technical field
The present invention relates to a kind of tiling steel plate structure and construction method thereof, especially a kind of tiling steel plate structure and construction method thereof adopting T-shaped rib, belongs to long strands field.
Background technology
Compared to traditional concrete construction, steel building have intensity high, from heavy and light, the advantage such as anti-seismic performance is good, short construction period, wet trade are few, low-carbon environment-friendly.Therefore, steel work utilization is under construction increasingly mature, is the developing direction of future architecture.But the thickness of tiling steel plate is often thinner, and intensity is little, and be suitable for span little, sag is large.In order to address this problem, steel work related design file proposes from textural increase stiffening rib, according to strength calculation formula σ=M/ (γ
xw
nx) and Deflection Formula ν=(5q
kl
4)/(385EI
x), stiffening rib increases net section modulus W
nxwith second moment of area I
x, have favorable influence to the intensity of the steel plate that tiles under equal load and supporting condition and amount of deflection.The section form of common stiffening rib mainly contains band steel and angle steel, on this basis, we have proposed the tiling steel plate structure adopting T-steel as stiffening rib.
Summary of the invention
Based on the problems referred to above, the present invention proposes a kind of the tiling steel plate structure and the construction method thereof that adopt T-shaped rib.Mainly in order to solve tiling steel plate thinner, net section modulus and second moment of area less, the technical problem that intensity is little, sag is large.
Technical scheme of the present invention is as follows:
Adopt a tiling steel plate structure for T-shaped rib, comprise original structure, also comprise the newly-increased plate girder be connected with original structure, newly-increased side bar, newly-increased metal sheet pile, the newly-increased steel plate that tiles, newly-increased T-shaped rib, described newly-increased plate girder and newly-increased metal sheet pile just connect; Described newly-increased side bar and newly-increased metal sheet pile just connect; Described tiling steel plate is connected with newly-increased plate girder, newly-increased side bar welding, and same full weld; Described tiling steel plate generally adopts the checkered steel plate being not less than 5mm, and bottom surface arranges T-shaped rib; Described T-shaped rib web acropodium and tiling Plate Welding.
Further, be advisable between the spacing 1100 ~ 1300mm of described newly-increased plate girder, should more than 1500mm.
Further, adopt intermittent weld to weld between described T-shaped rib with tiling steel plate, between T-shaped rib end and newly-increased plate girder, leave the space of 10mm-20mm.
Further, the spacing of described T-shaped rib is generally thick 100 times or the short 2-2.5 across the direction length smaller value doubly of tiling steel plate.
Further, the maximum Size of welds of described intermittent weld must not be greater than 1.2 times of thinner weldment thickness, the length of intermittent weld must not be less than 10 times and 50mm of Size of welds, and the clear distance of intermittent weld is not more than 15 times (during pressurizeds) or 30 times (during tension) of thinner weldment thickness.
Further, described T-shaped rib should calculate its intensity and amount of deflection by " work " font computing nodes of two ends freely-supported, and computing nodes comprises the length of each 15t in the every side of T-shaped rib in tiling steel plate, and wherein, t is the thickness of tiling steel plate.
The construction method of the tiling steel plate structure of the T-shaped rib of above-mentioned employing, is characterized in that: adopt following steps:
Step one: according to design document, has just received on newly-increased metal sheet pile by newly-increased plate girder, newly-increased side bar;
Step 2: according to design document, setting-out is carried out to tiling steel plate, T-shaped rib, check errorless rear blanking cutting, and ensure tiling steel plate, T-shaped rib cutting part is accurate, otch is neat, the iron rust on steel cutting zone surface, dirt etc. should be removed clean before cutting, after cutting, answer deburring, slag and splash;
Step 3: T-shaped rib is welded on tiling steel plate, adopt the welding of E43 type welding rod intermittent weld, Weld quality level is three grades, and weld seam should meet other relevant design detailing requiments;
Step 4: will tile Plate Welding on newly-increased plate girder, newly-increased side bar, adopt E50 type welding rod full weld, Weld quality level is secondary, and weld seam should meet other relevant design detailing requiments;
Step 5: after all steel beam column welding positions have welded, carry out antiseptic and rustproof process by designing requirement.
Beneficial effect:
After the most significant advantage of the present invention is to adopt the tiling steel plate structure of T-shaped rib, compare common band steel rib and angle steel rib, the thickness of the rib web of T-shaped rib is often little than the thickness on the rib edge of a wing, be equivalent to the farther place of Mass Distribution at neutral axis, considerably increase net section modulus and second moment of area, thus considerably increase the intensity of steel plate, reduce the amount of deflection of steel plate.Can predict, if the method is applied, in steel work, adopt the tiling steel plate structure of T-shaped rib will have significant realistic meaning.
Accompanying drawing explanation
Fig. 1 is tiling steel plain schematic diagram;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the effective computing nodes schematic diagram of T-shaped rib.
In figure, 1: newly-increased plate girder; 2: newly-increased side bar; 3: newly-increased metal sheet pile; 4: tiling steel plate; 5:T type rib; 6: web; 7: the edge of a wing; 8: intermittent weld; 9: computing nodes.
Detailed description of the invention
A kind of tiling steel plate structure adopting T-shaped rib, see shown in Fig. 1 to 4, comprise original structure, also comprise the newly-increased plate girder 1 be connected with original structure, newly-increased side bar 2, newly-increased metal sheet pile 3, tiling steel plate 4, T-shaped rib 5 (as shown in Figure 1), described newly-increased plate girder 1 just connects with newly-increased metal sheet pile 3, described newly-increased side bar 2 just connects with newly-increased metal sheet pile 3, described tiling steel plate 4 and newly-increased plate girder 1, newly-increased side bar 2 is welded to connect, and same full weld, described tiling steel plate 4 generally adopts checkered steel plate, bottom surface arranges T-shaped rib 5, described T-shaped rib 5 web 6 acropodium welds with tiling steel plate 4, be advisable between the spacing 1100-1300mm of newly-increased plate girder 1, should more than 1500mm, intermittent weld 8 is adopted to weld between T-shaped rib 5 with tiling steel plate 4, the space of 10mm-20mm is left between T-shaped rib 5 end and newly-increased plate girder 1, the spacing of T-shaped rib 5 is generally thick 100 times or the short 2-2.5 across the direction length smaller value doubly of tiling steel plate 4, the maximum Size of welds of intermittent weld 8 must not be greater than 1.2 times of thinner weldment thickness, the length of intermittent weld 8 must not be less than 10 times and 50mm of Size of welds, the clear distance of intermittent weld 8 is not more than 15 times (during pressurizeds) or 30 times of (during tension) (as Figure 2-3) of thinner weldment thickness, T-shaped rib 5 should calculate its intensity and amount of deflection (as shown in Figure 4) by " work " font computing nodes 9 of two ends freely-supported, computing nodes 9 comprises the length of the every each 15t in side of T-shaped rib 5 in tiling steel plate 4, wherein, t is the thickness of tiling steel plate 4.
The construction method of the tiling steel plate structure of the T-shaped rib of above-mentioned employing, adopts following steps:
Step one: according to design document, has just received on newly-increased metal sheet pile 3 by newly-increased plate girder 1, newly-increased side bar 2;
Step 2: according to design document, setting-out is carried out to tiling steel plate 4, T-shaped rib 5, check errorless rear blanking cutting, and ensure tiling steel plate 4, T-shaped rib 5 cutting part is accurate, otch is neat, the iron rust on steel cutting zone surface, dirt etc. should be removed clean before cutting, after cutting, answer deburring, slag and splash;
Step 3: T-shaped rib 5 is welded on tiling steel plate 4, adopt E43 type welding rod intermittent weld 8 to weld, Weld quality level is three grades, and weld seam should meet other relevant design detailing requiments;
Step 4: tiling steel plate 4 is welded on newly-increased plate girder 1, newly-increased side bar 2, adopt E50 type welding rod full weld, Weld quality level is secondary, and weld seam should meet other relevant design detailing requiments;
Step 5: after all steel beam column welding positions have welded, carry out antiseptic and rustproof process by designing requirement.
Be more than a kind of exemplary embodiment of the present invention, specific embodiment of the invention is not limited thereto.
Claims (7)
1. one kind adopts the tiling steel plate structure of T-shaped rib, comprise original structure, it is characterized in that: the newly-increased plate girder (1) connected, newly-increased side bar (2), newly-increased metal sheet pile (3), tiling steel plate (4), T-shaped rib (5), wherein, described newly-increased plate girder (1) and newly-increased metal sheet pile (3) just connect, described newly-increased side bar (2) and newly-increased metal sheet pile (3) just connect, described tiling steel plate (4) and newly-increased plate girder (1), newly-increased side bar (2) is welded to connect, and same full weld, described tiling steel plate (4) generally adopts checkered steel plate, bottom surface arranges T-shaped rib (5), described T-shaped rib (5) web (6) acropodium welds with tiling steel plate (4).
2. the tiling steel plate structure of the T-shaped rib of employing according to claim 1, is characterized in that: be advisable between the spacing 1100 ~ 1300mm of described newly-increased plate girder (1), should more than 1500mm.
3. the tiling steel plate structure of the T-shaped rib of employing according to claim 1, it is characterized in that: adopt intermittent weld (8) to weld between described T-shaped rib (5) with tiling steel plate (4), between T-shaped rib (5) end and newly-increased plate girder (1), leave the space of 10mm-20mm.
4. the tiling steel plate structure of the T-shaped rib of employing according to claim 1, is characterized in that: the spacing of described T-shaped rib (5) is generally 100 times or the short thick smaller values of 2 ~ 2.5 times across direction length of tiling steel plate (4).
5. the tiling steel plate structure of the T-shaped rib of employing according to claim 1, it is characterized in that: the maximum Size of welds of described intermittent weld (8) must not be greater than 1.2 times of thinner weldment thickness, the length of intermittent weld (8) must not be less than 10 times and 50mm of Size of welds, and the clear distance of intermittent weld (8) is not more than 15 times (during pressurizeds) or 30 times (during tension) of thinner weldment thickness.
6. the tiling steel plate structure of the T-shaped rib of employing according to claim 1, it is characterized in that: described T-shaped rib (5) should calculate its intensity and amount of deflection by " work " font computing nodes (9) of two ends freely-supported, computing nodes (9) comprises the length of the every each 15t in side of T-shaped rib (5) in tiling steel plate (4), wherein, t is the thickness of tiling steel plate (4).
7. according to any one of claim 1 ~ 6, adopt the construction method of the tiling steel plate structure of T-shaped rib, it is characterized in that: adopt following steps:
Step one: according to design document, will increase plate girder (1) newly, newly-increased side bar (2) just received on newly-increased metal sheet pile (3);
Step 2: according to design document, setting-out is carried out to tiling steel plate (4), T-shaped rib (5), check errorless rear blanking cutting, and ensure tiling steel plate (4), T-shaped rib (5) cutting part is accurate, otch is neat, the iron rust on steel cutting zone surface, dirt etc. should be removed clean before cutting, after cutting, answer deburring, slag and splash;
Step 3: T-shaped rib (5) is welded in tiling steel plate (4), adopt E43 type welding rod intermittent weld (8) welding, Weld quality level is three grades, and weld seam should meet other relevant design detailing requiments;
Step 4: the steel plate (4) that will tile is welded on newly-increased plate girder (1), newly-increased side bar (2), adopt E50 type welding rod full weld, Weld quality level is secondary, and weld seam should meet other relevant design detailing requiments;
Step 5: after all steel beam column welding positions have welded, carry out antiseptic and rustproof process by designing requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764271.9A CN105256890A (en) | 2015-11-11 | 2015-11-11 | Tiled steel plate structure adopting T-shaped ribs and construction method thereof |
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| CN201510764271.9A CN105256890A (en) | 2015-11-11 | 2015-11-11 | Tiled steel plate structure adopting T-shaped ribs and construction method thereof |
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| CN105256890A true CN105256890A (en) | 2016-01-20 |
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| CN201510764271.9A Withdrawn CN105256890A (en) | 2015-11-11 | 2015-11-11 | Tiled steel plate structure adopting T-shaped ribs and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374513A (en) * | 2018-03-26 | 2018-08-07 | 北京筑福建筑事务有限责任公司 | A kind of additional elevator platform uses the tiling steel plate structure and its construction method of H-type rib |
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| JP2010255196A (en) * | 2009-04-21 | 2010-11-11 | Yokogawa Sumikin Bridge Corp | Steel-concrete composite floor slab |
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| CN204098314U (en) * | 2014-08-28 | 2015-01-14 | 天津三建建筑工程有限公司 | Steel plate combination floor |
| CN104805767A (en) * | 2015-05-06 | 2015-07-29 | 山东大学 | Prefabricated assembly FRP-reinforcing steel-bar-concrete combined bridge deck and construction method |
| CN205259348U (en) * | 2015-11-11 | 2016-05-25 | 北京筑福国际工程技术有限责任公司 | Adopt tiling steel plate structure of T type rib |
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2015
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418176Y (en) * | 2000-04-26 | 2001-02-07 | 贵阳智亿咨询有限公司 | Large-span combined hollow-plate storied-building roof structure |
| JP2010255196A (en) * | 2009-04-21 | 2010-11-11 | Yokogawa Sumikin Bridge Corp | Steel-concrete composite floor slab |
| CN101597887A (en) * | 2009-06-19 | 2009-12-09 | 同济大学 | Novel combined bridge deck and preparation method thereof |
| CN101613990A (en) * | 2009-07-14 | 2009-12-30 | 中铁二院工程集团有限责任公司 | The job practices of rail iron trusses T type stiffening rib orthotropic plate bridge floor |
| CN204000609U (en) * | 2014-08-06 | 2014-12-10 | 中国路桥工程有限责任公司 | Large-span steel box girder bridge floor paving structure |
| CN204098314U (en) * | 2014-08-28 | 2015-01-14 | 天津三建建筑工程有限公司 | Steel plate combination floor |
| CN104805767A (en) * | 2015-05-06 | 2015-07-29 | 山东大学 | Prefabricated assembly FRP-reinforcing steel-bar-concrete combined bridge deck and construction method |
| CN205259348U (en) * | 2015-11-11 | 2016-05-25 | 北京筑福国际工程技术有限责任公司 | Adopt tiling steel plate structure of T type rib |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374513A (en) * | 2018-03-26 | 2018-08-07 | 北京筑福建筑事务有限责任公司 | A kind of additional elevator platform uses the tiling steel plate structure and its construction method of H-type rib |
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Address after: 100043 Shijingshan District, Yang Yang Street, No. 69, No. 1, building an international Park, Fu International Applicant after: BEIJING ZHUFU INTERNATIONAL ANTI-SEISMIC TECHNOLOGY CO.,LTD. Address before: 100043 Shijingshan, Yang Yang Street, No. 69, No. 1, building an international Park, Fu International Applicant before: BEIJING AEIDO ENGINEERING TECHNOLOGY Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160120 |
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| WW01 | Invention patent application withdrawn after publication |