CN101876184B - Construction method of expansion joint of pool - Google Patents
Construction method of expansion joint of pool Download PDFInfo
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- CN101876184B CN101876184B CN2010102061340A CN201010206134A CN101876184B CN 101876184 B CN101876184 B CN 101876184B CN 2010102061340 A CN2010102061340 A CN 2010102061340A CN 201010206134 A CN201010206134 A CN 201010206134A CN 101876184 B CN101876184 B CN 101876184B
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Abstract
The invention discloses a construction method of an expansion joint of a pool, belonging to the field of engineering construction. The method comprises the following steps of: installing a rubber water stopping belt; arranging a tongue-and-groove mould which corresponds to the shape of cross section of the rubber water stopping belt and consists of a wood scaffold board and a wood strip in a supporting way; pouring one side concrete; cleaning the expansion joint; arranging a polyethylene closed cystosepiment, wherein the precut part of the cystosepiment is equal to the depth of the designed polysulphideslealant; pouring the other side concrete; cleaning the polyethylene closed cystosepiment in the expansion joint; and injecting the polysulphideslealant. The construction method can guarantee that a hole at the middle of the rubber water stopping belt is fixed at the center of the expansion joint, greatly saves the labor, reduces the cost, shortens the work period, and guarantees the sealing quality of the polysulphideslealant when cleaning the polyethylene closed cystosepiment.
Description
Technical field
The present invention relates to a kind of job practices of structure, refer in particular to a kind of job practices of expansion joint of pool.
Background technology
Along with the strategic plan of national energy-saving and emission-reduction, it is particularly outstanding that comprehensive anti-pollution seems, the construction of Wastewater Treatment Plant is more and more, and scale is also increasing.Water factory structure pond is the key link of water factory's technological process, and the quality of structure directly influences the overall operation of water factory.The design in general water factory structure pond all is overlength, super large structure, and structure itself are divided into many zones, generally all are provided with the shrinkage joint between each zone, to satisfy the performance requirement of expanding with heat and contract with cold of design.In order to prevent that the shrinkage joint from leaking, in the shrinkage joint, add leakage-proof apparatus.Be to have buried rubber fastening band underground at the place, shrinkage joint when constructing the pond in the general engineering, rubber fastening band has Telescopic, fuses with the zones of different of rubber fastening band with the pond, the anti-mutual seepage of sealing.The quality quality that the shrinkage joint is constructed is the key point of restriction structure total quality.Buried rubber fastening band and external labeling type rubber fastening band during the shrinkage joint waterstop generally is divided into, and in shrinkage joint waterproof effect, the anti-flexible ability of buried rubber fastening band strong; But in the construction technology complexity at buried rubber fastening band shrinkage joint, difficulty of construction is bigger.In generally comprise rubber fastening band, polyethylene closed-cell foam plate, poly-sulphur sealing compound in the buried rubber fastening band shrinkage joint.
The job practices at buried rubber fastening band shrinkage joint comprises at present: 1. rubber fastening band is installed, is installed template, build a side concrete, 2. clear up the shrinkage joint, polyethylene closed-cell foam plate is installed, build the opposite side concrete, 3. clear up polyethylene closed-cell foam plate in the shrinkage joint, annotate poly-sulphur sealing compound.Specific practice be according to designing requirement at the bottom of the pond or the relevant position of pool wall set up rubber fastening band, install template then, build the concrete of first side, a side assistant of waterstop is embedded in the concrete of building.After treating that concrete reaches certain intensity, the supporter of stripping and supporting rubber fastening band, projection on the shrinkage joint face of the cleaning concreting first time, the assistant of waterstop opposite side and the members such as reinforcing bar of its homonymy are fixed, add pointings such as polyethylene closed-cell foam plate in the both sides of waterstop, build the opposite side concrete again; After the concrete for the treatment of after-pouring reaches certain intensity, the pointing of the one side that meets water in the shrinkage joint between two block concretes is cleaned out the groove that a part forms certain depth, in groove, inject sealing compound then, close the whole piece shrinkage joint according to designing requirement.There are many shortcomings in this job practices in past, mainly containing the article that set up waterstop does not have solid shape, makes the concrete shrinkage joint face of building for the first time irregular, time-consuming during cleaning, and the face at shrinkage joint contacts imprecision with waterstop, pointing, and sealed waterproof effect is bad; In addition, when before injecting sealing compound behind the concreting second time, clearing up pointing, also there is a lot of difficulties, can only pointing be picked out with instruments such as cutter, shovels, make the face of the pointing that stays very irregular, the sealing compound of filling in uneven thickness, waterproof effect is bad.
Summary of the invention
The technical issues that need to address of the present invention provide at the bottom of a kind of pond, structure pond of constructing or the method at pool wall shrinkage joint, its easy construction, and member position is accurate, and antiseep is effective, can save the engineering time.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The job practices of expansion joint of pool, carry out according to following method:
1. fixing waterstop
Clamp earlier, the band steel of a side is welded at the bottom of the pond or on the reinforcing bar of first concreting one side of pool wall design position, shrinkage joint then, a side assistant of rubber fastening band is flattened with the assistant of band steel with the rubber fastening band both sides;
2. install template
Be supported on the rubber fastening band both sides with having, and with tongue and groove template supporting ﹠ stablizing, the flat-sided steel that rubber fastening band is exposed is fixed on the template support, makes rubber fastening band keep straight with the identical shaped tongue and groove template of rubber fastening band mider hole; Build the concrete of first side then; One side assistant of rubber fastening band is cast in the concrete;
3. tailor packing material
According at the bottom of the pond or pool wall thickness, polyethylene closed-cell foam plate is tailored the two parts that become to be positioned at the rubber fastening band both sides; And then according to the poly-sulphur sealing compound thickness that designs, the polyethylene closed-cell foam plate of upstream face part is tailored into two parts, wherein a part equals the thickness of poly-sulphur sealing compound, another part is just stayed in the shrinkage joint after the shrinkage joint forms, tailor finish after, two parts reduction of the polyethylene closed-cell foam plate of the upstream face that will cut apart with a knife or scissors again part is docking together and fixes with iron nail;
4. polyethylene closed-cell foam plate is installed
After the concrete for the treatment of first side reaches certain intensity, remove the tongue and groove template, cleaning is the shrinkage joint face of concreting for the first time, the band steel on the rubber fastening band opposite side assistant and the steel bars in concrete of its homonymy are fixed, add the polyethylene closed-cell foam plate of tailoring in the both sides of waterstop, wherein the part of the poly-sulphur sealing compound thickness of polyethylene closed-cell foam plate representative of upstream face part is positioned at the outside at shrinkage joint;
5. build the opposite side concrete
6. the dismounting representative gathers the polyethylene closed-cell foam plate of sulphur sealing compound thickness part
After the concrete for the treatment of after-pouring reaches certain intensity, the iron nail that connects polyethylene closed-cell foam plate is taken off, from the end at shrinkage joint begin will the poly-sulphur sealing compound thickness part of representative polyethylene closed-cell foam plate pull out;
7. fill poly-sulphur sealing compound
The shrinkage joint is cleaned out, in groove, injected sealing compound, close the whole piece shrinkage joint.
The tongue and groove template that above-mentioned steps of the present invention installs rubber fastening band in 2. is to be main body with the wooden scaffold floor that uses in the construction, be fixed with batten in wooden scaffold floor one side, batten is relative with rubber fastening band during installation, be fixed on the wooden scaffold floor with iron nail, the arranged outside of batten has the tongue and groove with rubber fastening band shape of cross section corresponding matching.Because the cross sectional shape of rubber fastening band is generally circle or regular hexagon, so the one side of the corresponding rubber fastening band of batten is semicircle or splayed.
Owing to adopted technique scheme, the obtained technological progress of the present invention is:
Job practices of the present invention makes at the bottom of the pond, pond or the shrinkage joint easy construction of pool wall when building the pond, and the rubber fastening band accurate positioning guarantees the construction quality and the waterproof sealing effect at shrinkage joint, can save the engineering time greatly.Adopt job practices of the present invention, can guarantee shrinkage joint central authorities accurately are fixed in the mider hole portion of rubber fastening band.The present invention cuts polyethylene closed-cell foam plate earlier with the thickness of wallpaper cutter by poly-sulphur sealing compound, and then fix with iron nail, like this in cleaning polyethylene closed-cell foam plate link, can very accurately cystosepiment be extracted out very soon, needn't shave by shovel more on one point, saved clearance time and artificial greatly, the reduction expense, reduction of erection time, can better guarantee to gather the thickness and the airtight quality of sulphur sealing compound.The present invention utilizes the fixedly form making tongue and groove template of batten of the wooden scaffold floor outside, can gather materials on the spot, and the center of rubber fastening band can be fixed in accurately the central authorities at shrinkage joint, guarantees the tram of rubber fastening band.Batten simultaneously is semicircle or the splayed corresponding with rubber fastening band, makes the position of rubber fastening band more accurate, can make the face at shrinkage joint cleaner and tidier.
Description of drawings
Fig. 1 is the mounting structure schematic diagram of polyethylene closed-cell foam plate and waterstop at the bottom of the pond;
Fig. 2 is the mounting structure schematic diagram of pool wall polyethylene closed-cell foam plate and waterstop;
Fig. 3 is the formwork schematic diagram of waterstop at the bottom of the pond;
Fig. 4 is the formwork schematic diagram of pool wall waterstop;
Fig. 5 is a structural representation after the completion at shrinkage joint at the bottom of the pond;
Fig. 6 is a structural representation after the completion at pool wall shrinkage joint.
Wherein: 1, concrete, 2, rubber fastening band, 3, polyethylene closed-cell foam plate, 4, iron nail, 5, wooden scaffold floor, 6, batten, 7, the strengthening frame pipe, 8, reinforced steel, 9, poly-sulphur sealing compound.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further details:
Fig. 3, Fig. 1, Fig. 5 are pond, pond bottom application man-hours, behind formwork, inject before the fluid sealant and shrinkage joint completion moulding after structural representation.Fig. 4, Fig. 2, Fig. 6 are pool wall of pool whens construction, behind formwork, inject before the fluid sealant and shrinkage joint completion moulding after structural representation.
The job practices at shrinkage joint at the bottom of the pond, structure pond, carry out according to the following step:
1. fixing waterstop
Rubber fastening band is set up in the position at design shrinkage joint at the bottom of the pond, clamps with the assistant of band steel with rubber fastening band 2 both sides earlier, then the band steel of a side is welded on the reinforcing bar of concreting one side structure formerly, and a side assistant of rubber fastening band 2 is flattened;
2. make the tongue and groove template
Template is set up in the both sides up and down that before the concreting need be rubber fastening band in the position at shrinkage joint.The main body of template adopts the wooden scaffold floor 5 that uses in the construction.The cross-sectional profile of the mider hole of general rubber fastening band mostly is circle or regular hexagon, shape according to rubber fastening band 2 mider holes, make the template tongue and groove that matches with the shape of rubber fastening band 2 mider holes of batten, if rubber fastening band mider hole position is round, just at the batten of scaffold floor fixed outside band 1/4 circle or semicircle, if the rubber fastening band mider hole is a regular hexagon, just at scaffold floor fixed outside splay configuration batten.Batten 6 is fixed on a side of wooden scaffold floor 5 corresponding rubber fastening bands 2, makes the tongue and groove and the rubber fastening band shape corresponding matching of batten 6.
3. install template
Be supported on the both sides up and down of rubber fastening band 2 with the tongue and groove tongue and groove template identical with rubber fastening band mider hole shape, batten tongue and groove on the template is relative with rubber fastening band 2, the tongue and groove of two tongue and groove templates surrounds the centre bore of rubber fastening band 2, and with tongue and groove template supporting ﹠ stablizing; When the cushion construction at the bottom of the pond,, when installing the pond soffit formwork, withstand between reinforced steel 8 and the wooden scaffold floor 5, make template firm with strengthening frame pipe 7 at the pre-buried good shrinkage joint of a side of shrinkage joint after-pouring reinforced steel 8.The side that rubber fastening band 2 is exposed is that the band steel of after-pouring concrete one side is fixed on the strengthening frame pipe 7 then, makes rubber fastening band 2 keep straight; Build the concrete 1 of first side then; One side assistant of rubber fastening band 2 is cast in the concrete 1.
4. tailor packing material
According to the thickness of pond base concrete 1, polyethylene closed-cell foam plate is tailored the two parts that become to be positioned at rubber fastening band both sides about in the of 2, the width of every part just in time flushes with concrete surface after it is installed.And then according to the thickness of poly-sulphur sealing compound of design, the polyethylene closed-cell foam plate 3 that upstream face promptly is positioned at a part above the rubber fastening band 2 is tailored into two parts, wherein a part equals the thickness of the poly-sulphur sealing compound of needs filling, tailor finish after, two parts reduction of again the polyethylene closed-cell foam plate of upstream face part being cut apart with a knife or scissors is docking together and fixes with iron nail 4.
5. polyethylene closed-cell foam plate is installed
After the concrete for the treatment of first side reaches the intensity of design, remove strengthening frame pipe 7, wood scaffold floor 5 and batten 6, clean out the projection on the shrinkage joint face of concreting for the first time, the band steel on the rubber fastening band 2 opposite side assistants and the reinforcement component of its homonymy are fixed, add the polyethylene closed-cell foam plate 3 of tailoring in the both sides of rubber fastening band 2, wherein the polyethylene closed-cell foam plate 3 below the rubber fastening band 2 is monoblocks, its width just in time equals the thickness of rubber fastening band 2 bottom surfaces to the pond foot mat, polyethylene closed-cell foam plate 3 above the rubber fastening band 2 is splits, its integral width just in time equals above the rubber fastening band 2 to the thickness above the concrete 1, during polyethylene closed-cell foam plate 3 above installing, there is one side that the one side of iron nail 4 promptly needs to fill poly-sulphur sealing compound upwards.
6. build the opposite side concrete.
7. the dismounting representative gathers the polyethylene closed-cell foam plate of sulphur sealing compound thickness part
After the concrete 1 for the treatment of after-pouring reaches design strength, the iron nail 4 that connects polyethylene closed-cell foam plate is taken off, to represent the polyethylene closed-cell foam plate of poly-sulphur sealing compound thickness part to pull out from a side at shrinkage joint, another part polyethylene closed-cell foam plate 3 is just stayed in the shrinkage joint.
8. fill poly-sulphur sealing compound
Once more the shrinkage joint is cleaned out, in groove, injected poly-sulphur sealing compound 9, close the whole piece shrinkage joint.So far pond bottom application worker finishes.
The job practices at pool wall of the present invention shrinkage joint is identical with the construction sequence at shrinkage joint at the bottom of the pond, difference only is, the packing material polyethylene closed-cell foam plate 3 of rubber fastening band 2 both sides at pool wall shrinkage joint (being the upstream face and back side at pool wall shrinkage joint) all need be tailored the two parts that become to comprise poly-sulphur sealing compound thickness, and then link together with iron nail 4, install, remove, the upstream face at the pool wall shrinkage joint of pool wall and back side are all filled poly-sulphur sealing compound.
Claims (2)
1. the job practices of expansion joint of pool is characterized in that carrying out according to following method:
1. fixing waterstop
Clamp earlier, the band steel of a side is welded at the bottom of the pond or on the reinforcing bar of first concreting one side of pool wall design position, shrinkage joint then, a side assistant of rubber fastening band is flattened with the assistant of band steel with the rubber fastening band both sides;
2. install template
Be supported on the rubber fastening band both sides with having, and with tongue and groove template supporting ﹠ stablizing, the band steel that rubber fastening band is exposed a side is fixed on the template support, makes rubber fastening band keep straight with the identical shaped tongue and groove template of rubber fastening band mider hole; Build the concrete of first side then, a side assistant of rubber fastening band is cast in the concrete;
3. tailor packing material
According at the bottom of the pond or pool wall thickness, polyethylene closed-cell foam plate is tailored the two parts that become to be positioned at the rubber fastening band both sides; And then according to the poly-sulphur sealing compound thickness that designs, the polyethylene closed-cell foam plate of upstream face part is tailored into two parts, wherein a part equals the thickness of poly-sulphur sealing compound, tailor finish after, two parts reduction of the polyethylene closed-cell foam plate of the upstream face that will cut apart with a knife or scissors again part is docking together and fixes with iron nail;
4. polyethylene closed-cell foam plate is installed
After the concrete for the treatment of first side reaches certain intensity, remove the tongue and groove template, cleaning is the face at concreting shrinkage joint for the first time, the band steel on the rubber fastening band opposite side assistant and the steel bars in concrete of its homonymy are fixed, add the polyethylene closed-cell foam plate of tailoring in the both sides of waterstop, wherein the part of the poly-sulphur sealing compound thickness of polyethylene closed-cell foam plate representative of upstream face part is positioned at the outside at shrinkage joint;
5. build the opposite side concrete
6. the dismounting representative gathers the polyethylene closed-cell foam plate of sulphur sealing compound thickness part
After the concrete for the treatment of after-pouring reaches certain intensity, the iron nail that connects polyethylene closed-cell foam plate is taken off, from the end at shrinkage joint begin will the poly-sulphur sealing compound thickness part of representative polyethylene closed-cell foam plate pull out;
7. fill poly-sulphur sealing compound
The shrinkage joint is cleaned out, in groove, injected sealing compound, close the whole piece shrinkage joint.
2. the job practices of expansion joint of pool according to claim 1, it is characterized in that: the tongue and groove template that described step installs rubber fastening band in 2. is to be main body with the wooden scaffold floor that uses in the construction, be fixed with batten in wooden scaffold floor one side, the arranged outside of batten has the tongue and groove with rubber fastening band shape of cross section corresponding matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102061340A CN101876184B (en) | 2010-06-23 | 2010-06-23 | Construction method of expansion joint of pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102061340A CN101876184B (en) | 2010-06-23 | 2010-06-23 | Construction method of expansion joint of pool |
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| CN101876184A CN101876184A (en) | 2010-11-03 |
| CN101876184B true CN101876184B (en) | 2011-08-10 |
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| CN2010102061340A Expired - Fee Related CN101876184B (en) | 2010-06-23 | 2010-06-23 | Construction method of expansion joint of pool |
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| CN104727351A (en) * | 2015-03-24 | 2015-06-24 | 上海市政工程设计研究总院（集团）有限公司 | Middle embedded type water stop belt and construction method thereof |
| CN105888247A (en) * | 2016-04-26 | 2016-08-24 | 中国化学工程第三建设有限公司 | Construction method for expansion joint of industrial pond |
| CN105970880B (en) * | 2016-05-30 | 2018-02-16 | 中建五局第三建设有限公司 | Construction method of multi-channel waterproof fortification expansion joint structure |
| CN106869084A (en) * | 2017-03-14 | 2017-06-20 | 辽宁华三建设工程技术有限公司 | A kind of high tenacity filleting waterstop and its construction method for channel structure |
| CN107859187B (en) * | 2017-10-11 | 2023-07-18 | 中铁第四勘察设计院集团有限公司 | Protection device for expansion joint water stop and water stop mounting method |
| CN110080538A (en) * | 2019-04-19 | 2019-08-02 | 中国二十二冶集团有限公司 | Remove the cutter and preparation method thereof that cystosepiment is reserved at expansion joint |
| CN111074851B (en) * | 2019-12-20 | 2021-09-10 | 湖北锦天禹建设工程有限公司 | Construction method for concrete lining at bottom of channel |
| CN111705971A (en) * | 2020-06-24 | 2020-09-25 | 北京翔鲲水务建设有限公司 | Construction method and structure of thin-wall concrete wall of constructed wetland unit pool |
| CN112575912A (en) * | 2020-12-05 | 2021-03-30 | 中冶天工集团有限公司 | Method for retaining vertical construction joint |
| CN113216252A (en) * | 2021-05-11 | 2021-08-06 | 中国十七冶集团有限公司 | Expansion joint reinforcing device and method for multi-section continuous casting of underground pipe gallery |
| CN113322892A (en) * | 2021-05-28 | 2021-08-31 | 安徽水安建设集团股份有限公司 | River course slope protection surface lining cast-in-place concrete expansion joint structure and construction method thereof |
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