CN107447993A - A kind of girder steel moves limit method in place - Google Patents
A kind of girder steel moves limit method in place Download PDFInfo
- Publication number
- CN107447993A CN107447993A CN201610364862.1A CN201610364862A CN107447993A CN 107447993 A CN107447993 A CN 107447993A CN 201610364862 A CN201610364862 A CN 201610364862A CN 107447993 A CN107447993 A CN 107447993A
- Authority
- CN
- China
- Prior art keywords
- steel
- girder steel
- girder
- support base
- place
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Abstract
A kind of girder steel moves limit method in place, it is characterised in that comprises the following steps：A, girder steel support base is welded, b, force-bearing steel plate upper girder steel support base laying-down, c, force-bearing steel plate upper limit angle steel positioning welding, and d, girder steel movement are spacing, and e, girder steel anchor (bolt) hole align.The girder steel of the present invention move limit method in place have using position limit angle steel method it is simple, it is easy to make and improve girder steel once qualification rate in place the advantages of.
Description
Technical field
The present invention relates to a kind of limit method, is that a kind of girder steel moves limit method in place specifically.
Background technology
With the continuous development of domestic field of steel structure, large-span steel is more used in the design, single girder steel occurs that weight is big, the situation of length length, brings larger difficulty to steel structure girder lifting lifting, translation, in place etc., makes girder steel bottom foundation bolt installation accuracy problem more.
Steel structure girder span 42m in engineering project, single beam amount weight 52t, girder steel both ends are located on the force-bearing steel plate on concrete column top.Because single girder steel length is long, build is big, weight weight, lifting translation is not to cross position line when positioning, and is exactly not move into place, causes girder steel to be accurately positioned, is accurately installed to girder steel and bring larger difficulty.
Therefore known girder steel move limit method in place there are problems that above-mentioned a variety of inconvenience and.
The content of the invention
The purpose of the present invention, it is to propose that a kind of safe and reliable girder steel moves limit method in place.
It is another object of the present invention to propose that a kind of girder steel for improving once qualification rate in place moves limit method in place.
To achieve the above object, technical solution of the invention is：
A kind of girder steel moves limit method in place, it is characterised in that comprises the following steps：
A, girder steel support base is welded
During girder steel assembly, base centerline must align with girder steel center line when support base is welded, and avoid support base distortion from causing end face, side and spacing angle steel to be unable to reliable contacts；
B, force-bearing steel plate upper girder steel support base laying-down
After girder steel support base is welded and fixed, to girder steel support base carry out length, width measurement, then according to force-bearing steel plate pre-embedded anchoring bolts hole by support base profile according to base centerline setting-out on force-bearing steel plate；
C, force-bearing steel plate upper limit angle steel positioning welding
According to the contour line of force-bearing steel plate upper girder steel support base, pre-prepd angle steel the half of support base edge lengths is not preferably less than along girder steel support base sideline, center wire bonding, angle steel length, angle steel uses two-sided welding；
D, girder steel movement is spacing
During steel structure girder lifting is in place, slowly moved when girder steel end moves to force-bearing steel plate position, girder steel end Xian Ding is touched the spacing angle steel in front, it is rear to touch the spacing angle steel in side, girder steel is placed on force-bearing steel plate after reliable contacts；
E, girder steel anchor (bolt) hole aligns
Because the stop of spacing angle steel make it that once deviation in place substantially conforms to installation requirement to girder steel, being finely adjusted again after girder steel is positioned over force-bearing steel plate makes girder steel support base bolt hole be aligned with pre-embedded anchoring bolts hole, it is ensured that high-strength bolt penetrates smooth in hole
, complete girder steel movement spacing operation in place.
The girder steel of the present invention moves limit method in place and can also be further achieved by the following technical measures.
Foregoing method, wherein the base centerline setting-out makes anchor (bolt) hole align and base centerline centering.
Foregoing method, wherein the angle steel is L150*150 angle steel.
After adopting the above technical scheme, the girder steel of the present invention, which moves limit method in place, has advantages below：
1st, it is simple, easy to make using position limit angle steel method；
2nd, girder steel once qualification rate in place is improved.
Brief description of the drawings
Fig. 1 is the steel structure girder concrete column top plan schematic diagram in place of the embodiment of the present invention；
Fig. 2 is that the spacing angle steel of steel structure girder support base of the embodiment of the present invention lays floor map.
In figure：1 steel construction upper beam, 2 steel construction underbeams, the support of 3 girder steels, 4 girder steel support bases, 5 force-bearing steel plates, 6 concrete columns, 7 anchor (bolt) holes, 8 angle steel.
Embodiment
With reference to embodiments and its accompanying drawing illustrates further to the present invention.
Embodiment 1
Spacing construction process is in place for the girder steel movement of the present invention：Concrete column top force-bearing steel plate installation → steel structure girder assembly → girder steel support base dimensional measurement → force-bearing steel plate upper girder steel support base laying-down → force-bearing steel plate upper limit angle steel positioning welding → steel beam lifting is in place → and girder steel support base bolt hole aligns → girder steel precision adjustment → fastening foundation bolt.
The girder steel of the present invention moves limit method in place, comprises the following steps：
A, girder steel support base is welded
During girder steel assembly, base centerline must align with girder steel center line when support base is welded, and avoid support base distortion from causing end face, side and spacing angle steel to be unable to reliable contacts；
B, force-bearing steel plate upper girder steel support base laying-down
After girder steel support base is welded and fixed, the measurement of long cross direction is carried out to it, then support base profile is paid attention to the centering aligned with center line in hole according to force-bearing steel plate pre-embedded anchoring bolts hole according to center line setting-out on force-bearing steel plate, during unwrapping wire；
C, force-bearing steel plate upper limit angle steel positioning welding
Referring now to Fig. 1 and Fig. 2, Fig. 1 is the steel structure girder top plan schematic diagram of concrete column 6 in place of the embodiment of the present invention, and Fig. 2 is that the spacing angle steel of steel structure girder support base of the embodiment of the present invention lays floor map.
According to the contour line of the upper girder steel support base 4 of force-bearing steel plate 5, by pre-prepd angle steel along girder steel support base sideline, center wire bonding, the length of angle steel 8 is not preferably less than the half of the support base length of side, using two-sided welding；L150*150 angle steel is welded at the axis edge of scribe pattern as limited block.
D, girder steel movement is spacing
During steel structure girder lifting is in place, slowly moved when girder steel end moves to force-bearing steel plate position, girder steel end Xian Ding is touched the spacing angle steel in front, in the spacing angle steel in side impact side, after reliable contacts can girder steel be placed on force-bearing steel plate；
E, girder steel anchor (bolt) hole aligns
Because the stop of spacing angle steel make it that once deviation in place substantially conforms to installation requirement to girder steel, being finely adjusted again after girder steel is positioned over force-bearing steel plate makes girder steel support base bolt hole be aligned with pre-embedded anchoring bolts hole 7, it is smooth in hole to ensure that high-strength bolt penetrates, completes girder steel movement spacing operation in place.
The present invention has substantive distinguishing features and significant technological progress, the girder steel of the present invention moves limit method in place before steel structure girder lifting is in place, spacing angle steel has been welded on force-bearing steel plate, spacing angle steel is touched on girder steel translation top to be stopped, avoid girder steel and move situation not in place, steel girder erection precision is met quality requirement, improve girder steel once qualification rate in place.
The girder steel of the present invention moves limit method tower roofing in track traffic command centre of Fuzhou City engineering in place and uses steel roof truss form, and steel structure girder span 42m, single beam amount weight 52t, girder steel both ends are located on the force-bearing steel plate on concrete column top.Girder steel of the invention moves limit method in place and uses 2 blocks of spacing angle steel of welding on force-bearing steel plate, and when girder steel is lifted, translates, be in place, limited block is touched on girder steel end top to be stopped, and improve girder steel once mounting qualification rate in place.
Above example is used for illustrative purposes only, rather than limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes should also belong to scope of the invention, should be limited by each claim.
Claims (3)
1. a kind of girder steel moves limit method in place, it is characterised in that comprises the following steps：
A, girder steel support base is welded
During girder steel assembly, base centerline must align with girder steel center line when support base is welded, and avoid support base distortion from causing end face, side and spacing angle steel to be unable to reliable contacts；
B, force-bearing steel plate upper girder steel support base laying-down
After girder steel support base is welded and fixed, to girder steel support base carry out length, width measurement, then according to force-bearing steel plate pre-embedded anchoring bolts hole by support base profile according to base centerline setting-out on force-bearing steel plate；
C, force-bearing steel plate upper limit angle steel positioning welding
According to the contour line of force-bearing steel plate upper girder steel support base, pre-prepd angle steel the half of support base edge lengths is not preferably less than along girder steel support base sideline, center wire bonding, angle steel length, angle steel uses two-sided welding；
D, girder steel movement is spacing
During steel structure girder lifting is in place, slowly moved when girder steel end moves to force-bearing steel plate position, girder steel end Xian Ding is touched the spacing angle steel in front, it is rear to touch the spacing angle steel in side, girder steel is placed on force-bearing steel plate after reliable contacts；
E, girder steel anchor (bolt) hole aligns
Because the stop of spacing angle steel make it that once deviation in place substantially conforms to installation requirement to girder steel, being finely adjusted again after girder steel is positioned over force-bearing steel plate makes girder steel support base bolt hole be aligned with pre-embedded anchoring bolts hole, it is ensured that high-strength bolt penetrates smooth in hole
, complete girder steel movement spacing operation in place.
2. girder steel as claimed in claim 1 moves limit method in place, it is characterised in that the base centerline setting-out makes anchor (bolt) hole align and base centerline centering.
3. girder steel as claimed in claim 1 moves limit method in place, it is characterised in that the angle steel is L150*150 angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364862.1A CN107447993A (en) | 2016-05-30 | 2016-05-30 | A kind of girder steel moves limit method in place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364862.1A CN107447993A (en) | 2016-05-30 | 2016-05-30 | A kind of girder steel moves limit method in place |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107447993A true CN107447993A (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610364862.1A Pending CN107447993A (en) | 2016-05-30 | 2016-05-30 | A kind of girder steel moves limit method in place |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495556U (en) * | 2009-09-03 | 2010-06-02 | 中国建筑第四工程局有限公司 | Structure for quickly hoisting and centering base of large steel frame |
| CN101839063A (en) * | 2010-05-25 | 2010-09-22 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN102383593A (en) * | 2011-08-29 | 2012-03-21 | 浙江城建建设集团有限公司 | Support formwork device and construction method for one-step formed flange concrete in kitchens and toilets |
| CN202370104U (en) * | 2011-12-13 | 2012-08-08 | 北京城建中南土木工程集团有限公司 | Butted installing device for steel lattice column |
| CN103321329A (en) * | 2013-07-11 | 2013-09-25 | 中建装饰设计研究院有限公司 | Finished-product partition ground rail system and construction method thereof |
| CN104452973A (en) * | 2014-11-28 | 2015-03-25 | 浙江精工钢结构集团有限公司 | Sliding support composed of steel members and construction method thereof |
-
2016
- 2016-05-30 CN CN201610364862.1A patent/CN107447993A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495556U (en) * | 2009-09-03 | 2010-06-02 | 中国建筑第四工程局有限公司 | Structure for quickly hoisting and centering base of large steel frame |
| CN101839063A (en) * | 2010-05-25 | 2010-09-22 | 中铁十七局集团第三工程有限公司 | Movable steel base for constructing prefabricated beam and standard joint thereof |
| CN102383593A (en) * | 2011-08-29 | 2012-03-21 | 浙江城建建设集团有限公司 | Support formwork device and construction method for one-step formed flange concrete in kitchens and toilets |
| CN202370104U (en) * | 2011-12-13 | 2012-08-08 | 北京城建中南土木工程集团有限公司 | Butted installing device for steel lattice column |
| CN103321329A (en) * | 2013-07-11 | 2013-09-25 | 中建装饰设计研究院有限公司 | Finished-product partition ground rail system and construction method thereof |
| CN104452973A (en) * | 2014-11-28 | 2015-03-25 | 浙江精工钢结构集团有限公司 | Sliding support composed of steel members and construction method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |
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| RJ01 | Rejection of invention patent application after publication |