CN104213728A - Oblique beam for grandstand of stadium and construction process for oblique beam - Google Patents
Oblique beam for grandstand of stadium and construction process for oblique beam Download PDFInfo
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- CN104213728A CN104213728A CN201410421905.6A CN201410421905A CN104213728A CN 104213728 A CN104213728 A CN 104213728A CN 201410421905 A CN201410421905 A CN 201410421905A CN 104213728 A CN104213728 A CN 104213728A
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Abstract
The invention belongs to the technical field of construction for oblique beams for grandstands of stadiums, and particularly relates to an oblique beam for a grandstand of a stadium and a construction process for the oblique beam. The oblique beam for the grandstand of the stadium is characterized by mainly comprising an oblique beam body; the lower end of the oblique beam body is connected with the upper end of a first-layer column through casting; the middle and the upper end of the oblique beam body are connected with a Y-shaped column through casting; two sides of the oblique beam body and the oblique beam body are provided with lugs through casting; the lugs are higher than the upper surface of the oblique beam body. The oblique beam can ensure the visual effect of upper-layer spectators under the condition of a certain inclination angle.
Description
Technical field
The invention belongs to sports palace Stand Inclined Beams technical field of construction, be specifically related to a kind of sports palace Stand Inclined Beams and construction technology thereof.
Background technology
15000 main venue engineerings of Wuhan optical valley international networks ball center are " bowl-shape " stadiums that support Stand Inclined Beams composition with 32 Y shape pillars.Engineering structures is relatively complicated, and grandstand is owing to being stepped form, and its underpart supporting construction form is more, and this Engineering Network arena grandstand supporting construction is the declined beam of encorbelmenting on Y shape pillar, and grandstand is high apart from ground, the span of encorbelmenting is large, and cant beam Cross section Design size is large.Cant beam is originally as dip member, under the factor such as weight and the working load effect of inclined member because of itself that space is overweight, can produce larger horizontal thrust, and the horizontal thrust that cant beam produces here can increase along with the increase at angle of inclination, stressed unfavorable especially to scaffold (i.e. full hall frame) system.If by too small cant beam angle of inclination will affect be positioned at top bleacherite watch sight line effect.
When the construction of tradition cant beam, choose ear and generally construct as secondary structure: 1. the globality that is unfavorable for choosing ear structure; 2. be unfavorable for the duration.And cant beam is regarded the mode of beam as and is carried out template installation: be unfavorable for concreting 1.; 2. pair support for shuttering is had relatively high expectations, and is unfavorable for the overall bearing load of support for shuttering; 3. cant beam upper surface concrete easily produces laitance, and workmanship has been caused to certain influence.
Summary of the invention
For above-mentioned technical problem, the object of the present invention is to provide a kind of sports palace Stand Inclined Beams and construction technology thereof, this cant beam ensures the in the situation that of can be certain at angle of inclination that upper strata spectators' watches sight line effect.And this construction technology will be chosen ear and cant beam synchronous construction, reduce working procedure; The method is carried out segmentation concrete to cant beam and is built, and efficiently solves the excessive problem of cant beam horizontal thrust; And oblique beam template is totally-enclosed, only the reserved hole of vibrating, has shortened the time that cant beam concrete is built, and has solved cant beam concrete and has built the difficult point that bottom meeting generation concrete is piled up, and avoided cant beam surface to produce laitance, has ensured oblique beam structure quality, has improved the overall look and feel of concrete.
For achieving the above object, the technical solution used in the present invention is:
Sports palace Stand Inclined Beams, is characterized in that: it mainly comprises cant beam body, and the lower end of cant beam body is built and is connected with one deck column upper end, and middle part and the upper end of cant beam body are built and are connected with Y shape pillar; Described cant beam body both sides and cant beam body have been built simultaneously and have been chosen ear (being arranged with some ears of choosing), described in choose ear and exceed cant beam body upper surface.
On described cant beam body more up choose ear, the distance that exceeds cant beam body upper surface is larger.
Described cant beam body is built and is formed (as 6 sections) by multistage.
The construction technology of above-mentioned sports palace Stand Inclined Beams, is characterized in that comprising the following steps:
The first step, builds front preparation: first according to the segmentation to sports palace Stand Inclined Beams in advance, be ready to corresponding template, then on the grandstand two-layer platform of sports palace, set up full hall frame;
Second step, concrete is educated shop Stand Inclined Beams first paragraph: 1. on full hall frame, set up cant beam soffit formwork and choose eardrum template; 2. colligation cant beam reinforcing bar and choose ear reinforcing bar; 3. cant beam side template is installed and is chosen ear side template; 4. choose ear every one and install one additional and choose ear top template, what each lower end of choosing ear top template was provided with a bar shaped chooses the ear hole of vibrating; 5. cant beam top template is installed, on cant beam top template with choose the ear corresponding position, hole of vibrating and be provided with the cant beam hole of vibrating; 6. pour into concrete by oblique beam template upper port, adopt and catch up with slurry method to vibrate along the cant beam hole of vibrating, and whether build and put in place by the cant beam hole observation concrete that vibrates; 7. vibrate to choosing ear by choosing the ear hole of vibrating; 8. after concrete reaches some strength, remove all templates, complete and build;
The 3rd step, repeats second step concrete and educates next section of shop Stand Inclined Beams, until complete final stage;
The lower end of first paragraph is built and is connected with one deck column upper end, is positioned at a section of middle part and the upper end of final stage and builds and be connected with Y shape pillar respectively.
The invention has the beneficial effects as follows:
1) the present invention ensures that by choosing ear design upper strata spectators' watches sight line effect can be certain at angle of inclination on the top of cant beam (exceeding cant beam body upper surface) in the situation that.
And construction technology of the present invention will be chosen ear and cant beam synchronous construction, reduce working procedure; The method is carried out segmentation concrete to cant beam and is built, and efficiently solves the excessive problem of cant beam horizontal thrust; And oblique beam template is totally-enclosed, only the reserved hole of vibrating, has shortened the time that cant beam concrete is built, and has solved cant beam concrete and has built the difficult point that bottom meeting generation concrete is piled up, and avoided cant beam surface to produce laitance, has ensured oblique beam structure quality, has improved the overall look and feel of concrete.
2) on the body of cant beam described in the present invention more up choose ear, the distance that exceeds cant beam body upper surface is larger, can make spectators' visual effect more excellent.
3) install cant beam top template additional, solved cant beam concrete and built the difficult point that bottom meeting generation concrete is piled up, and avoided cant beam top due to the generation laitance that vibrates, improved overall look and feel and the structural safety of concrete; Concrete closely knit for ensureing, adopt and catch up with slurry method to vibrate, and observe concrete material full level by the hole of vibrating; When part is chosen ear concrete material and cannot be full of, can utilize the hole of vibrating to increase concrete material.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of sports palace of the present invention Stand Inclined Beams.
Fig. 2 is the schematic cross-section of cant beam body.
Fig. 3 is the elevational schematic view of cant beam body in the closed template construction technique of sports palace Stand Inclined Beams.
Fig. 4 is the schematic cross-section of cant beam body in the closed template construction technique of sports palace Stand Inclined Beams.
Fig. 5 is the schematic top plan view of cant beam body in the closed template construction technique of sports palace Stand Inclined Beams.
In figure: 1-cant beam body, 2-chooses ear, 3-one deck column, 4-Y type post, 5-ring beam, 6-stiffness reinforcing bar, 7-prestressing force bellows, the full hall of 8-frame, 9-cant beam soffit formwork, 10-cant beam top template, 11-cant beam side template, 12-chooses eardrum template, 13-chooses ear side template, 14-chooses ear top template, the 15-cant beam hole of vibrating, and 16-chooses the ear hole of vibrating.
Detailed description of the invention
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with 15000 main venue engineering construction examples of Wuhan optical valley international networks ball center, but content of the present invention is not only confined to the following examples.
Sports palace Stand Inclined Beams, it mainly comprises cant beam body 1 (length 29.5m), and the lower end of cant beam body 1 is built and is connected with one deck column 3 upper ends, and the middle part of cant beam body 1 and upper end are built and are connected with Y shape pillar 4; Described cant beam body 1 both sides (along its length) and cant beam body have been built simultaneously and have been chosen ear 2 (being arranged with some ears of choosing), described in choose ear 2 (bight, upper right) and exceed cant beam body 1 upper surface certain distance (as 1-130mm).
The built-in I-shaped stiffness reinforcing bar 6 of described cant beam body 1 and prestressing force bellows 7, described stiffness reinforcing bar 6 is positioned at cant beam body 1 center, described prestressing force bellows 7 has four, lay respectively at four angles of stiffness reinforcing bar 6, described each prestressing force bellows 7 lashings have presstressed reinforcing steel (9 of the every bundle steel strand of described presstressed reinforcing steel, steel strand specification 15.20mm).
Described stiffness reinforcing bar 6 is divided into multistage and is welded, the hop count that concrete hop count and soldering angle are built according to cant beam body 1 and the angle of cant beam body 1 determine that (described stiffness reinforcing bar 6 is I-shaped reinforcing bar, the wide 600mm of reinforcing bar, the wide 300mm of frange plate, the thick 25mm of steel plate, entire length 29.5m).
Described prestressing force bellows 7 is divided into multistage and is formed by connecting, and the several hop counts of building according to cant beam body 1 of physical segment are determined.
On described cant beam body 1 more up choose ear 2, the distance that exceeds cant beam body 1 upper surface larger (choose distance that ear 2 exceeds cant beam body 1 upper surface generally at 1-130mm).
The cross section of described cant beam body 1 changes, cant beam body 1 and one deck column 3 junctions (1000mm × 1000mm), three layers locate (1000mm × 1200mm), four layers of width of locating (1000mm × 1400mm) [until N layer place], middle part and Y shape pillar 4 junctions (1000mm × 1800mm) and upper end (1000mm × 2400mm) are consistent, thickness is chosen the size of number, one deck column 3 and Y shape pillar 4 of ear 2 according to the angle of cant beam body 1, every layer definite.
The angle of described cant beam body 1 is that (the variation here refers to that the angle of cant beam body 1 own changes in variation, be exactly concretely: what when cant beam body 1 runs into every layer of ring beam 5, angle first became is mild, cross with the junction of ring beam 5 and returned to original angle or steeper afterwards, the angle of more up recovering is steeper), cant beam body 1 is determined according to the size of the number of plies and ring beam 5 with the concrete angle of every layer of ring beam 5 junction.
The construction technology of above-mentioned sports palace Stand Inclined Beams, comprises the following steps:
The first step, build front preparation: first according to the segmentation to sports palace Stand Inclined Beams in advance, be ready to corresponding template (cant beam soffit formwork 9, cant beam top template 10, cant beam side template 11, choose eardrum template 12, choose ear side template 13 and choose ear top template 14), then on the grandstand two-layer platform of sports palace, set up full hall frame 8[sports palace Stand Inclined Beams is carried out to equitable subsection: first paragraph is that the two-layer structure section of encorbelmenting (9.420m) is to three layer construction plate face (11.510m); Second segment is that three layer construction plate face is to four-layer structure plate face (15.990m); The 3rd section is that four-layer structure plate face is to cant beam middle part and Y shape pillar intersection bottom surface (21.047m); The 4th section is that 21.047m is to prestressed ring beam (600mm × 1100mm) beam face (22.548m); The 5th section is 22.548m to five layer of ring beam (500mm × 900mm) soffit (24.500m); The 6th section is that 24.500m is to five-layer structure plate face (25.400m)];
Second step, concrete is educated shop Stand Inclined Beams first paragraph (bottom a section): 1. on full hall frame 8, set up cant beam soffit formwork 9 and choose soffit that eardrum template 12[chooses ear top template 14 this section of upper surface that exceeds the cant beam body that builds up type to be poured, choose ear 2 and exceed cant beam body 1 upper surface certain distance (as 1-130mm) described in making]; 2. colligation cant beam reinforcing bar and choose ear reinforcing bar; 3. cant beam side template 11 is installed and is chosen ear side template 13; 4. choose ear 2 every one and install one additional and choose ear top template 14, what each lower end of choosing ear top template 14 was provided with a bar shaped chooses the ear hole 16 of vibrating; 5. cant beam top template 10 is installed, on cant beam top template 10 with choose ear 16 corresponding positions, hole of vibrating and be provided with the cant beam hole 15 of vibrating; 6. pour into concrete by oblique beam template upper port, adopt and catch up with slurry method to vibrate along the cant beam hole 15 of vibrating, and observe concrete whether build putting in place by the cant beam hole 15 of vibrating; 7. vibrate to choosing ear 2 by choosing the ear hole 16 of vibrating; 8. after concrete reaches some strength, the intensity of form removal (can after) removes all templates, complete and build (vibrate hole 15 and choose the ear double venthole that does in hole 16 that vibrates of described cant beam, be of a size of 200mm wide × deck-siding);
The 3rd step, repeats second step concrete and educates next section of shop Stand Inclined Beams, until complete final stage;
The lower end (lower end of cant beam body 1) of first paragraph is built and is connected with one deck column 3 upper ends, and the upper end of the 3rd section (middle part of cant beam body 1) and the 6th section is built and is connected with Y shape pillar 4 respectively.
Claims (4)
1. sports palace Stand Inclined Beams, it is characterized in that: it mainly comprises cant beam body (1), the lower end of cant beam body (1) is built and is connected with one deck column (3) upper end, and the middle part of cant beam body (1) and upper end are built and are connected with Y shape pillar (4); Described cant beam body (1) both sides and cant beam body have been built simultaneously and have been chosen ear (2), described in choose ear (2) and exceed cant beam body (1) upper surface.
2. sports palace according to claim 1 Stand Inclined Beams, is characterized in that: described cant beam body (1) upper more up choose ear (2), the distance that exceeds cant beam body (1) upper surface is larger.
3. sports palace according to claim 1 Stand Inclined Beams, is characterized in that: described cant beam body (1) is built and formed by multistage.
4. the construction technology of sports palace as claimed in claim 1 Stand Inclined Beams, is characterized in that comprising the following steps:
The first step, builds front preparation: first according to the segmentation to sports palace Stand Inclined Beams in advance, be ready to corresponding template, then on the grandstand two-layer platform of sports palace, set up full hall frame (8);
Second step, concrete is educated shop Stand Inclined Beams first paragraph: 1. on full hall frame (8), set up cant beam soffit formwork (9) and choose eardrum template (12); 2. colligation cant beam reinforcing bar and choose ear reinforcing bar; Cant beam side template (11) is 3. installed and is chosen ear side template (13); 4. choose ear (2) every one and install one additional and choose ear top template (14), what each lower end of choosing ear top template (14) was provided with a bar shaped chooses the ear hole (16) of vibrating; Cant beam top template (10) is 5. installed, cant beam top template (10) upper with choose the ear corresponding position, hole (16) of vibrating and be provided with the cant beam hole (15) of vibrating; 6. pour into concrete by oblique beam template upper port, adopt and catch up with slurry method to vibrate along the cant beam hole (15) of vibrating, and whether build and put in place by cant beam hole (15) the observation concrete that vibrates; 7. vibrate to choosing ear (2) by choosing the ear hole (16) of vibrating; 8. after concrete reaches some strength, remove all templates, complete and build;
The 3rd step, repeats second step concrete and educates next section of shop Stand Inclined Beams, until complete final stage;
The lower end of first paragraph is built and is connected with one deck column (3) upper end, is positioned at a section of middle part and the upper end of final stage and builds and be connected with Y shape pillar (4) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410421905.6A CN104213728B (en) | 2014-08-25 | 2014-08-25 | Oblique beam for grandstand of stadium and construction process for oblique beam |
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| CN201410421905.6A CN104213728B (en) | 2014-08-25 | 2014-08-25 | Oblique beam for grandstand of stadium and construction process for oblique beam |
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| CN104213728A true CN104213728A (en) | 2014-12-17 |
| CN104213728B CN104213728B (en) | 2017-02-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625187A (en) * | 2015-12-31 | 2016-06-01 | 浙江舜杰建筑集团股份有限公司 | Method for constructing concrete for large-section inclined column |
| CN106854941A (en) * | 2016-12-30 | 2017-06-16 | 中国建筑第八工程局有限公司 | A kind of construction method of heavy in section Stand Inclined Beams and batter post |
| CN108824852A (en) * | 2018-05-29 | 2018-11-16 | 中国建筑第二工程局有限公司 | A kind of large size arc steelframe grandstand space orientation and construction method of installation |
| CN110295771A (en) * | 2018-03-23 | 2019-10-01 | 上海展冀膜结构有限公司 | A kind of mounting process for stadiums grandstand |
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| CN1510225A (en) * | 2002-12-23 | 2004-07-07 | 中国建筑第八工程局中南公司 | Method for constructing Y shape pillar and suspended declined beam |
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| CN1510225A (en) * | 2002-12-23 | 2004-07-07 | 中国建筑第八工程局中南公司 | Method for constructing Y shape pillar and suspended declined beam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625187A (en) * | 2015-12-31 | 2016-06-01 | 浙江舜杰建筑集团股份有限公司 | Method for constructing concrete for large-section inclined column |
| CN106854941A (en) * | 2016-12-30 | 2017-06-16 | 中国建筑第八工程局有限公司 | A kind of construction method of heavy in section Stand Inclined Beams and batter post |
| CN106854941B (en) * | 2016-12-30 | 2019-05-10 | 中国建筑第八工程局有限公司 | A kind of construction method of big section Stand Inclined Beams and batter post |
| CN110295771A (en) * | 2018-03-23 | 2019-10-01 | 上海展冀膜结构有限公司 | A kind of mounting process for stadiums grandstand |
| CN108824852A (en) * | 2018-05-29 | 2018-11-16 | 中国建筑第二工程局有限公司 | A kind of large size arc steelframe grandstand space orientation and construction method of installation |
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| CN104213728B (en) | 2017-02-01 |
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