CN103541549A - Stepwise construction method of decorative base layers of stadium stand tread - Google Patents
Stepwise construction method of decorative base layers of stadium stand tread Download PDFInfo
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- CN103541549A CN103541549A CN201310533108.2A CN201310533108A CN103541549A CN 103541549 A CN103541549 A CN 103541549A CN 201310533108 A CN201310533108 A CN 201310533108A CN 103541549 A CN103541549 A CN 103541549A
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Abstract
The invention relates to stand construction methods, particularly to a stepwise construction method of decorative base layers of a stadium stand tread. The method mainly comprises the following steps of painting a layer of adhesion agent on the base layers on side surfaces and external corners, plastering the side surfaces and the external corners and beveling the external corners twice; maintaining the side surfaces and the external corners; surface-processing the stadium stand tread and applying a layer of adhesion agent on the stadium stand tread; plastering the stadium stand tread with fine stone concrete and meanwhile sloping the stadium stand tread; maintaining the stadium stand tread. According to the stepwise construction method of the decorative base layers of the stadium stand tread, dropping and hollowing of the fine stone concrete leveling layer of the stadium stand tread and the mortar leveling layer of the side surfaces can be effectively avoided, and meanwhile, the problem of cracking of the external corners due to different contractility and hydroscopicity of mortar and concrete can be solved.
Description
Technical field
The present invention relates to a kind of job practices of grandstand, espespecially a kind of tread of Stadium is decorated basic unit's step-by-step construction method.
Background technology
The Grandstand Design of stadiums is most important, the flat shape of venue and grandstand be combined with important relationship.As the handing-over of circular sports palace exterior wall and grandstand can produce more space waste, this needs the handing-over relation of Coordination Treatment grandstand and exterior wall.In general, middle-size and small-size sports palace does not adopt circular scheme from the functional requirements such as sight line, acoustics, and with polygon and oval replacement, grandstand can be more favourable in plane treatment like this.As shown in Figure 1, be the plan view of an oval-shaped grandstand 10, the grandstand 10 of its surrounding all has certain radian.
Grandstand occupies considerable quantity in field house, at present, sees that the construction of platen structure divides two kinds substantially, and a kind of is monolithic reinforced concrete structure, and a kind of is prefabricated reinforced concrete structure.Two kinds of job practicess respectively have superiority, for cast-in-situ steel reinforced concrete, its easy construction, saving cost, be applicable to building of various shapes simultaneously, but it is very high that cast-in-situ steel reinforced concrete requires the size of structure, planeness, radian etc., the success or failure of plastering construction quality directly have influence on the sensory effects of grandstand and use function.For prefabricated reinforced concrete framework, its construction technology is strict, can produce intensity and outside extraordinary member, but is subject to the restriction of mould and transportation, and general large-scale Grandstand Design adopts the more of monolithic reinforced concrete structure.As shown in Figure 2, sectional view for cast-in-situ concrete grandstand 10, grandstand 10 comprises end to end tread 101 and side 102, in junction, be formed with external corner 103 and inner corner trim 104, wherein the tread 101 of grandstand 10 and the structure of side 102 are respectively from bottom to up: reinforced concrete floor layer, polyalcohol cement basis composite water-proof paint layer, leveling layer, concrete enclosing agent layer that plain-water slurry layer (inside mixing building adhesive) ,San road 1.5mm is thick.Leveling layer on tread 101 is pea gravel concreten rigid waterproof layer (inside joining steel fabric sheet), and the leveling layer on side 102 is for being dry mixed premixing motar layer (inside joining glass fiber net).Adopt the stand structure of above-mentioned way, coming off easily appears in the pea gravel concreten leveling layer on tread 101 and the mortar levelling layer of side 102, the phenomenon of hollowing.Because of side 102 mortar levelling layers and the first after-pouring of tread 101 microlith leveling layers, the shrinkage of bi-material is different from water imbibition, easily in junction, occurs shrinkage crack, produces problem of Cracking again.
Summary of the invention
The object of the invention is to overcome the defect of prior art, provide a kind of Stadium tread to decorate basic unit's step-by-step construction method, strengthen the bonding force between each basic unit of grandstand, prevent from coming off and hollowing phenomenon, can also reduce the problem of Cracking in grandstand later stage simultaneously.
The technical scheme that realizes above-mentioned purpose is:
A kind of Stadium tread of the present invention is decorated basic unit's step-by-step construction method, and described grandstand is mainly comprised of a plurality of successively tread and sides that head and the tail connect, and described tread and junction, described side are formed with external corner and inner corner trim, and described external corner place is formed with chamfering; It is characterized in that, described step-by-step construction method, based on forming enforcement after the method for described tread and described side basic unit, mainly comprises the following steps:
S1: brushing one deck interfacial agents in described side and described external corner place basic unit;
S2: plastered in described side and described external corner place;
S3: the oblique described tread of chamfering from described external corner cuts out inclined-plane;
S4: described tread is carried out to removing surface, then brushing one deck interfacial agents;
S5: described tread is plastered with pea gravel concreten, look for slope on described tread simultaneously;
S6: described tread is carried out to maintenance.
In such scheme by first brushing respectively a side interfacial agents in the basic unit at grandstand side and tread, then carry out plaster leveling operation, adhesive strength between the basic unit of effective enhancing leveling layer and tread, side, prevents the mortar levelling layer of side and coming off appears in the pea gravel concreten leveling layer of tread and hollowing phenomenon.Adopt the technical scheme of the first tangent plane and the second tangent plane, tangent plane position is the junction of bi-material, be the external corner place of the mortar levelling layer of side and the handing-over of the pea gravel concreten leveling layer of tread, solved shrinkage and the different problem of Crackings that produce of water imbibition because of bi-material.External corner place in such scheme adopts chamfering, is different from right angle of the prior art, can avoid grandstand external corner in use to damage.The grandstand side of first constructing, then the grandstand tread of constructing, can effectively guarantee that the radian of grandstand is smoother, and the seam quality that guarantees grandstand inner corner trim place.
Further improvement of the present invention is, the step that cuts out inclined-plane from the oblique described tread of chamfering of described external corner further comprises:
S21: in described side and described external corner place apply first floor motar;
S22: cut out inclined-plane from the oblique described tread of described external corner;
S23: lay glass fiber net on described first floor motar;
S24: apply second layer motar on described glass fiber net, smear out chamfering at described external corner place simultaneously;
S25: until the initial set of described second layer motar to setting while requiring, again from the oblique described tread of chamfering of the described external corner described inclined-plane of cutting sth. askew;
Further improvement of the present invention is, in the pea gravel concreten layer on described tread, is provided with a steel fabric sheet, the glass fiber net extension suitable for reading of described side and the gauze wire cloth of described tread overlap joint.
Further improvement of the present invention is, described chamfering first end connects described side, and and described side between form 135 ° of angles, described chamfering the second end connects described tread, and and described tread between form 135 ° of angles.
Further improvement of the present invention is, described inclined-plane is 45 °.
Further improvement of the present invention is, the method that forms described tread and described side basic unit comprises the steps:
Measure unwrapping wire, determine the construction location of described grandstand;
Set up the braced structures of described grandstand, in described braced structures, lay the steel concrete side plate of described grandstand side and the reinforced concrete floor of described grandstand tread;
The cement layer that forms interfacial agents layer, plain-water slurry layer and be compounded with water-repellent paint on described steel concrete side plate and reinforced concrete floor successively;
On tread, side and the external corner of described grandstand, ash cake is set.
Further improvement of the present invention is, also comprises the steps: in step S5 when described pea gravel concreten initial set, in the ash cake place of described external corner, lays the mix being comprised of cement and sand, smears to press receive light with plasterer's trowel.
Accompanying drawing explanation
Fig. 1 is the floor map of oval Stadium in prior art;
Fig. 2 is grandstand sectional view in prior art;
Fig. 3 is that the tread of a kind of Stadium of the present invention is decorated the process chart of basic unit's step-by-step construction method;
Fig. 4 is that the tread of a kind of Stadium of the present invention is decorated side coating first floor motar schematic diagram in basic unit's step-by-step construction method;
Fig. 5 is that the tread of a kind of Stadium of the present invention is decorated in basic unit's step-by-step construction method and on the first floor motar of side, laid the schematic diagram of glass fiber net;
Fig. 6 is that the tread of a kind of Stadium of the present invention is decorated the chamfering structure schematic diagram in basic unit's step-by-step construction method.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Refer to shown in Fig. 2, in prior art, the grandstand construction sequence of cast-in-place concrete structure is:
First, measure unwrapping wire, determine the construction location of grandstand 10; According to this construction location, set up braced structures, then in braced structures, lay the reinforced concrete floor of tread 101 and the steel concrete side plate of side 102.
Secondly, on the floor laying and side plate, inject one plain-water slurry, in this plain-water slurry, be mixed with building adhesive; On plain-water slurry upper strata, continue to build 3 layers of polyalcohol cement basis composite water-proof paint that 1.5mm is thick, formed waterproofing course;
Then, on tread 101 and side 102, apply respectively leveling layer; On tread 101, apply the thick microlith C25 of 50mm concrete rigid waterproofing course, in this pea gravel concreten, mix polypropylene 0.75-0.90kg/m
3, the steel fabric sheet of inside joining 50*50mm ￠ 1.2, looks for slope 0.5% on this layer of surface.On side 102, apply the thick M15 of 20mm and be dry mixed premixing motar, in mortar, mix polypropylene 0.75-0.90kg/m
3, inside join glass fiber net.Finally, be coated with the concrete enclosing agent that 1.5mm is thick on tread 101 and side 102, this sealer is selected polyurea elastomer.
It is the improvement project proposing for above-mentioned existing construction sequence that a kind of Stadium tread of the present invention is decorated basic unit's step-by-step construction method, for explaining conveniently, first the structure of the grandstand 10 being obtained by method of the present invention is described:
Shown in Fig. 4-Fig. 6, grandstand 10 is mainly comprised of with side 102 a plurality of successively treads 101 that head and the tail connect, tread 101 is formed with external corner 103 and inner corner trim 104 with the junction of side 102, external corner 103 places are formed with chamfering 1031, the first end of chamfering 1031 connects between 102Bing Yu side, side 102 and forms 135 ° of angles, the second end of chamfering 1031 connect tread 101 and and tread 101 between form 135 ° of angles.In side 102, be provided with glass fiber net 1021, glass fiber net 1021 is arranged at apart from side 102 upper surface 15mm place, and this glass fiber net 1021, extends 100mm and is overlapped on the steel fabric sheet in tread 101 to tread 101 directions bendings in external corner 103 places.
Refer to shown in Fig. 3, below job practices of the present invention is described.
After existing construction sequence forms waterproofing course (being the base treatment in Fig. 3), first respectively on tread 101, side 102 and external corner 103, ash cake being set; Then first constructed in side 102, concrete steps are:
S1: brushing one deck interfacial agents on the waterproofing course at side 102 and external corner 103 places, interfacial agents is comprised of building 108 glue that mix 8-10% in plain-water slurry, and this interfacial agents, for increasing adhesive strength, prevents that coming off from appearring in follow-up leveling layer and hollowing phenomenon.
S2: plastered in side 102 and external corner 103 places; The oblique tread 101 of chamfering 1031 from external corner 103 cuts out inclined-plane, and this step further comprises:
S21: first in side 102 and external corner 103 places apply first floor motars 1022, shown in Fig. 4, this first floor motar 1022 is coated on interfacial agents, then with trowel by 1022 compactings of first floor motar, first floor motar 1022 thickness on side 102 are 10mm, and first floor motar 1022 thickness at external corner 103 places are 30mm;
S22: from external corner 103 places, the oblique tread 101 of first floor motar 1022 is cut out to inclined-plane 10311, the chamfering from external corner 103 1031 cuts out inclined-plane 10311 with oblique tread 101 directions in junction of tread 101;
S23: shown in Fig. 5, then lay glass fiber net 1021 on first floor motar 1022, glass fiber net 1021, extends 100mm and is overlapped in the steel fabric sheet (not shown) on tread 101 to tread 101 direction bendings in external corner 103 places;
S24: shown in Fig. 6, apply second layer motar 1023 on glass fiber net 1021, smear out chamfering 1031 at external corner 103 places simultaneously; Between the first end connection 102，Yu side, side 102 of chamfering 1031, form the angle of 135 °, the second end of chamfering 1031 connects tread 101, and between tread 101, forms the angle of 135 °;
S25: when second layer motar 1023 initial sets in chamfering 1031 have 6-7 to become dry, from external corner 103 places, the oblique tread 101 of second layer motar 1023 is cut out to inclined-plane 10312, the chamfering from external corner 103 1031 cuts out inclined-plane 10312 with oblique tread 101 directions in junction of tread 101, notes glass fiber net 1021 not being cut off.
S3: maintenance is carried out in side 102 and chamfering 1031, adopt the mode water and to cover gunnysack to carry out maintenance.
Then tread 101 is constructed:
S4: tread 101 is carried out to removing surface, then brushing one deck interfacial agents; Interfacial agents is comprised of building 108 glue that mix 8-10% in plain-water slurry, and this interfacial agents, for increasing adhesive strength, prevents that coming off from appearring in follow-up leveling layer and hollowing phenomenon.
S5: tread 101 use pea gravel concretens are plastered, look for slope 0.5% on described tread 101 simultaneously.When pea gravel concreten is about to initial set, at the ash cake place of external corner 103, spread the mix of a little cement and sand, with plasterer's trowel, smear and press 5-6 time continuously, repair at any time chamfering, finally with plasterer's trowel, receive light;
S6: tread 101 is carried out to maintenance, adopt the mode water and to cover gunnysack to carry out maintenance.
The present invention improves existing grandstand construction sequence aspect following three:
One, before applying leveling layer, first brushing one deck interfacial agents is distinguished in the side 102 of grandstand 10 and tread 101, strengthen the adhesion strength with waterproofing course;
Two, plastering on side 102 carried out in two steps, respectively the floated coat of twice is carried out to tangent plane processing, prevent the later stage problem of Cracking of grandstand.
Three, the side of grandstand of first constructing, then the tread of the grandstand of constructing, effectively guarantee that the radian of grandstand is smoother.
The tread of a kind of Stadium of the present invention is decorated the points for attention of basic unit's step-by-step construction method:
Due to grandstand section construction, must guarantee that the radian connection of each section is smooth and easy, while plastering in side, at any time the radian of grandstand, width, verticality are checked, discovery deviation is adjusted repairing in time; Fine-stone concrete must vibrate, and polishes with trowel compacting, accomplishes not leak and shakes, but shake; Maintenance process does not advise adopting geotextiles moisture-keeping maintaining, adopts the gunnysack water seasoning time to can be 25 days.
Beneficial effect of the present invention:
By increasing one deck interfacial agents layer, can strengthen the adhesive strength between leveling layer and waterproofing course, prevent coming off and hollowing scene of leveling layer.Twice tangent plane guarantees that glass fiber net is continuous simultaneously, can prevent that the bi-material at external corner cracking and this place is because of the shrinkage crack of shrinkage from the different appearance of water imbibition.External corner was right angle in the past, and in the present invention, external corner is bevelling, had avoided being broken in the use procedure of grandstand external corner.Distribute and construct, the grandstand side of first constructing, then the grandstand tread of constructing, can effectively guarantee that the radian of grandstand is smoother, and the seam quality that guarantees grandstand inner corner trim place.
Below embodiment has been described in detail the present invention by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thereby some details in embodiment should not form limitation of the invention, the present invention will be usingd scope that appended claims defines as protection scope of the present invention.
Claims (7)
1. Stadium tread is decorated basic unit's step-by-step construction method, and described grandstand is mainly comprised of a plurality of successively tread and sides that head and the tail connect, and described tread and junction, described side are formed with external corner and inner corner trim, and described external corner place is formed with chamfering; It is characterized in that, described step-by-step construction method, based on forming enforcement after the method for described tread and described side basic unit, mainly comprises the following steps:
S1: brushing one deck interfacial agents in described side and described external corner place basic unit;
S2: plastered in described side and described external corner place, cut out inclined-plane from the oblique described tread of chamfering of described external corner;
S3: maintenance is carried out in described side and external corner;
S4: described tread is carried out to removing surface, then brushing one deck interfacial agents;
S5: described tread is plastered with pea gravel concreten, look for slope on described tread simultaneously;
S6: described tread is carried out to maintenance.
2. a kind of Stadium tread as claimed in claim 1 is decorated basic unit's step-by-step construction method, it is characterized in that, the step that cuts out inclined-plane from the oblique described tread of chamfering of described external corner further comprises:
S21: in described side and described external corner place apply first floor motar;
S22: cut out inclined-plane from the oblique described tread of described external corner;
S23: lay glass fiber net on described first floor motar;
S24: apply second layer motar on described glass fiber net, smear out chamfering at described external corner place simultaneously;
S25: until the initial set of described second layer motar to setting while requiring, again from the oblique described tread of chamfering of the described external corner described inclined-plane of cutting sth. askew.
3. a kind of Stadium tread as claimed in claim 2 is decorated basic unit's step-by-step construction method, it is characterized in that, in pea gravel concreten layer on described tread, be provided with a steel fabric sheet, the glass fiber net extension suitable for reading of described side and the steel fabric sheet of described tread overlap joint.
4. a kind of Stadium tread as claimed in claim 2 is decorated basic unit's step-by-step construction method, it is characterized in that, described chamfering first end connects described side, and and described side between form 135 ° of angles, described chamfering the second end connects described tread, and and described tread between form 135 ° of angles.
5. a kind of Stadium tread as claimed in claim 1 in claim 2 is decorated basic unit's step-by-step construction method, it is characterized in that, described inclined-plane is 45 °.
6. a kind of Stadium tread as claimed in claim 1 is decorated basic unit's step-by-step construction method, it is characterized in that, the method that forms described tread and described side basic unit comprises the steps:
Measure unwrapping wire, determine the construction location of described grandstand;
Set up the braced structures of described grandstand, in described braced structures, lay the steel concrete side plate of described grandstand side and the reinforced concrete floor of described grandstand tread;
The cement layer that forms interfacial agents layer, plain-water slurry layer and be compounded with water-repellent paint on described steel concrete side plate and reinforced concrete floor successively;
On tread, side and the external corner of described grandstand, ash cake is set.
7. a kind of Stadium tread as claimed in claim 4 is decorated basic unit's step-by-step construction method, it is characterized in that, in step S5, also comprise the steps: when described pea gravel concreten initial set, in the ash cake place of described external corner, the mix that laying is comprised of cement and sand, smears to press with plasterer's trowel and receives light.
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| CN201310533108.2A CN103541549B (en) | 2013-10-31 | 2013-10-31 | A kind of Stadium tread decorative base step-by-step construction method |
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| CN201310533108.2A CN103541549B (en) | 2013-10-31 | 2013-10-31 | A kind of Stadium tread decorative base step-by-step construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110835989A (en) * | 2019-11-26 | 2020-02-25 | 上海宝冶集团有限公司 | Construction method for stair step and platform cement mortar plastering |
| CN113668885A (en) * | 2021-08-27 | 2021-11-19 | 中建八局第三建设有限公司 | Plastering anti-cracking construction method for large-area arc-shaped stand |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110835989A (en) * | 2019-11-26 | 2020-02-25 | 上海宝冶集团有限公司 | Construction method for stair step and platform cement mortar plastering |
| CN113668885A (en) * | 2021-08-27 | 2021-11-19 | 中建八局第三建设有限公司 | Plastering anti-cracking construction method for large-area arc-shaped stand |
| CN113668885B (en) * | 2021-08-27 | 2022-12-09 | 中建八局第三建设有限公司 | Plastering anti-cracking construction method for large-area arc-shaped stand |
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