CN108252330B - Large-section prefabricated comprehensive pipe rack connecting structure and waterproof treatment method thereof - Google Patents
Large-section prefabricated comprehensive pipe rack connecting structure and waterproof treatment method thereof Download PDFInfo
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- CN108252330B CN108252330B CN201810281928.XA CN201810281928A CN108252330B CN 108252330 B CN108252330 B CN 108252330B CN 201810281928 A CN201810281928 A CN 201810281928A CN 108252330 B CN108252330 B CN 108252330B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000011241 protective layer Substances 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 17
- 239000011083 cement mortar Substances 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims description 15
- 238000004078 waterproofing Methods 0.000 claims description 12
- 210000001503 joint Anatomy 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Abstract
The invention relates to the field of civil engineering, in particular to a large-section prefabricated comprehensive pipe rack connecting structure and a waterproof treatment method thereof. Including piping lane connecting piece and concatenation connector, the concatenation connector includes connecting plate, reinforcing bar support and strengthens the I-steel, and the reinforcing bar support is through many vertical reinforcing bars and vertical reinforcing bar concatenation, connects on the reinforcing bar support and strengthens the I-steel. The reinforcing I-steel is locked in the transverse direction and the longitudinal direction of the reinforcing steel bar support, and the whole connecting structure is more stable and reliable. And a welding groove is formed in the connecting plate, and the inclination angle of the welding groove is 45 degrees. The welding is convenient and the welding strength is ensured. The waterproof structure is arranged on the outer side of the weld groove, and comprises a water stopping belt layer, a waterproof coiled material layer and a protective layer, the water stopping belt layer effectively stops water and fills the weld gap, and the waterproof coiled material layer strengthens the bonding strength and improves the waterproof performance. The protective layer of cement mortar protects the waterproof belt layer and the waterproof coiled material layer, so that the structural strength is improved, and the service life is prolonged.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to a large-section prefabricated comprehensive pipe rack connecting structure and a waterproof treatment method thereof.
Background
The existing comprehensive pipe rack is constructed by adopting a concrete pouring construction mode, the construction period is long, the working face is large, the uneven settlement resistance of the foundation is weak, the standard section weight is too large, and the installation and the transportation are not facilitated; proved by a large number of practical cases, the biggest hidden trouble in the use of pipe rack lies in that joint department leaks, and the joint department leaks and can directly influence whole equipment bearing performance, and the equipment damage can be accelerated to the water leakage simultaneously. In addition, a plurality of joints can appear in large-section prefabrication, and the possibility of later damage is further aggravated.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a large-section prefabricated comprehensive pipe gallery connecting structure and a waterproof treatment method thereof, which aim to shorten the construction time, promote civilized and green construction, reduce the working area during excavation construction, improve the waterproof performance of pipe gallery joints, and prolong the service life of the underground comprehensive pipe gallery, thereby reducing the maintenance cost and further adapting to the requirements of practical application.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a prefabricated utility tunnel connection structure of big section, includes piping lane connecting piece and concatenation connector, the concatenation connector includes connecting plate, reinforcing bar support and strengthens the I-steel, and the reinforcing bar support is through many vertical reinforcing bars and vertical reinforcing bar concatenation, connects on the reinforcing bar support and strengthens the I-steel.
And a welding groove is formed in the connecting plate, and the inclination angle of the welding groove is 45 degrees.
The waterproof structure comprises a water stop belt layer, a waterproof coiled material layer and a protective layer, wherein the water stop belt layer is divided into a middle-buried steel edge rubber water stop belt and an external-attached rubber water stop belt, the middle-buried steel edge rubber water stop belt and the external-attached rubber water stop belt are adhered to the outer side of the weld groove, the water stop belt layer is attached to the waterproof coiled material layer, the waterproof coiled material layer is divided into a waterproof coiled material reinforcing layer and a waterproof coiled material layer, the protective layer is arranged on the outer side of the waterproof coiled material layer, and the protective layer is cement mortar.
The thickness of the protective layer of the cement mortar is 2-5 cm.
The material of waterproofing membrane enhancement layer is polyvinyl chloride waterproofing membrane, and waterproofing membrane's material is polymer self-adhesion glued membrane waterproofing membrane.
A waterproof treatment method for a large-section prefabricated comprehensive pipe rack connecting structure is characterized by comprising the following steps:
A. pipe gallery joint welding
Butt joint is carried out between the connecting plates, and weld grooves are welded together;
B. adhesive tape layer
The middle-buried steel edge rubber water stop fills up the gap of the weld groove, and the external adhesive type rubber water stop is adhered to the outer side of the middle-buried steel edge rubber water stop;
C. Waterproof coiled material layer reinforcing bonding
The outer side of the externally-attached rubber water stop band is sequentially adhered with a waterproof coiled material reinforcing layer and a waterproof coiled material layer.
D. Pouring a protective layer
And a protective layer of cement mortar is poured outside the waterproof coiled material layer.
The step A is to spread epoxy resin glue between the connecting plates
The beneficial effects of the invention are as follows:
1. the utility model provides a prefabricated utility tunnel connection structure of big section, includes piping lane connecting piece and concatenation connector, the concatenation connector includes connecting plate, reinforcing bar support and strengthens the I-steel, and the reinforcing bar support is through many vertical reinforcing bars and vertical reinforcing bar concatenation, connects on the reinforcing bar support and strengthens the I-steel. The reinforcing I-steel is locked in the transverse direction and the longitudinal direction of the reinforcing steel bar support, and the whole connecting structure is more stable and reliable.
2. And a welding groove is formed in the connecting plate, and the inclination angle of the welding groove is 45 degrees. The welding is convenient and the welding strength is ensured. The waterproof structure is arranged on the outer side of the weld groove, and comprises a water stopping belt layer, a waterproof coiled material layer and a protective layer, the water stopping belt layer effectively stops water and fills the weld gap, and the waterproof coiled material layer strengthens the bonding strength and improves the waterproof performance. The protective layer of cement mortar protects the waterproof belt layer and the waterproof coiled material layer, so that the structural strength is improved, and the service life is prolonged.
In conclusion, the structure has the advantages of simple construction process, small working surface and convenience in transportation and maintenance. The waterproof performance of the joint is obviously improved, so that the service life of the underground comprehensive pipe rack is prolonged, the maintenance cost is reduced, and the underground comprehensive pipe rack is further adapted to the requirements of practical application.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram I of a connecting structure of the present invention;
FIG. 3 is a schematic structural diagram II of the connecting structure of the present invention;
FIG. 4 is a schematic view of a weld groove connection of the present invention;
fig. 5 is a schematic view of a waterproof structure of the present invention.
Detailed Description
The utility model provides a prefabricated utility tunnel connection structure of big section, includes piping lane connecting piece 1 and concatenation connector 2, concatenation connector 2 includes connecting plate 3, reinforcing bar support and strengthens I-steel 6, and the reinforcing bar support is through the concatenation of many vertical reinforcing bars 4 and vertical reinforcing bar 5, connects on the reinforcing bar support and strengthens I-steel 6.
And a welding groove 7 is formed in the connecting plate 3, and the inclination angle of the welding groove 7 is 45 degrees. The waterproof structure is arranged outside the weld groove 7 and comprises a water stop belt layer, a waterproof coiled material layer and a protective layer, the water stop belt layer is divided into a middle-buried steel edge rubber water stop belt 12 and an outer-attached rubber water stop belt 11, the middle-buried steel edge rubber water stop belt 12 and the outer-attached rubber water stop belt 11 are adhered to the outside of the weld groove 7, the water stop belt layer is attached to the waterproof coiled material layer, the waterproof coiled material layer is divided into a waterproof coiled material reinforcing layer 10 and a waterproof coiled material layer 9, the protective layer 8 is arranged outside the waterproof coiled material layer, and the protective layer 8 is cement mortar. The thickness of the protective layer 8 of the cement mortar is 2-5 cm. The material of waterproofing membrane enhancement layer 10 is polyvinyl chloride waterproofing membrane, and the material of waterproofing membrane 9 is polymer self-adhesion glued membrane waterproofing membrane.
A waterproof treatment method for a large-section prefabricated comprehensive pipe rack connecting structure comprises the following steps:
A. pipe gallery joint welding
Butt joint is carried out between the connecting plates 3, and the weld grooves 7 are welded together;
B. adhesive tape layer
The middle-buried steel edge rubber water stop 12 fills the gap of the weld groove 7, and the external adhesive type rubber water stop 11 is adhered to the outer side of the middle-buried steel edge rubber water stop 12;
C. Waterproof coiled material layer reinforcing bonding
The outer side of the externally attached rubber water stop 11 is sequentially adhered with a waterproof coiled material reinforcing layer 10 and a waterproof coiled material layer 9.
D. Pouring a protective layer
And a protective layer 8 of cement mortar is poured outside the waterproof coiled material layer.
When the concrete block is used, firstly, the steel plates are pre-buried at the connecting structure in advance during prefabrication, wherein the steel plates at two sides are welded through I-steel, meanwhile, the steel plates are respectively welded with the vertical steel bars and the longitudinal steel bars, and then the vertical steel bars and the longitudinal steel bars are welded and fixed. Finally, when the prefabricated concrete blocks are assembled, epoxy resin glue is coated on the cross section of the connecting plate, the upper concrete blocks are firmly bonded through the dead weight of the upper concrete blocks, and finally the upper connecting plate and the lower connecting plate are welded and fixed.
Then, performing waterproof treatment, namely firstly placing a waterproof corrosion-resistant reinforced concrete side wall, then arranging a buried steel edge rubber water stop belt, secondly arranging an external paste rubber water stop belt, then arranging a waterproof coiled material reinforcing layer and a waterproof coiled material, and finally paving a cement mortar protective layer with the thickness of 2 cm-5 cm, so that the connecting structure has stronger waterproof performance.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the innovation, and is not intended to limit the innovation, and although the innovation is described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the innovation should be included in the scope of the innovation.
Claims (4)
1. The utility model provides a prefabricated utility tunnel connection structure of big section, its characterized in that includes piping lane connecting piece (1) and concatenation connector (2), concatenation connector (2) include connecting plate (3), reinforcing bar support and strengthen I-steel (6), and the reinforcing bar support is through the concatenation of many vertical reinforcing bars (4) and vertical reinforcing bar (5), connects on the reinforcing bar support and strengthens I-steel (6);
A welding groove (7) is formed in the connecting plate (3), and the inclination angle of the welding groove (7) is 45 degrees;
The waterproof structure comprises a water-stop belt layer, a waterproof coiled material layer and a protective layer, wherein the water-stop belt layer is divided into a middle-buried steel edge rubber water stop belt (12) and an external-attached rubber water stop belt (11), the middle-buried steel edge rubber water stop belt (12) and the external-attached rubber water stop belt (11) are adhered to the outer side of the weld groove (7), the water-stop belt layer is attached to the waterproof coiled material layer, the waterproof coiled material layer is divided into a waterproof coiled material reinforcing layer (10) and a waterproof coiled material (9), the protective layer (8) is arranged on the outer side of the waterproof coiled material layer, and the protective layer (8) is cement mortar;
the thickness of the protective layer (8) of the cement mortar is 2-5 cm;
The material of waterproofing membrane enhancement layer (10) is polyvinyl chloride waterproofing membrane, and the material of waterproofing membrane (9) is polymer self-adhesion glued membrane waterproofing membrane.
2. The waterproof treatment method for the large-section prefabricated utility tunnel connection structure according to claim 1, which is characterized by comprising the following steps:
A. pipe gallery joint welding
Butt joint is carried out between the connecting plates (3), and the weld grooves (7) are welded together;
B. adhesive tape layer
The middle-buried steel edge rubber water stop (12) fills up the gap of the weld groove (7), and the external adhesive rubber water stop (11) is adhered to the outer side of the middle-buried steel edge rubber water stop (12);
C. Waterproof coiled material layer reinforcing bonding
The outer side of the externally-attached rubber water stop (11) is sequentially adhered with a waterproof coiled material reinforcing layer (10) and a waterproof coiled material (9).
3. The waterproof treatment method for the large-section prefabricated utility tunnel connection structure according to claim 2, further comprising the steps of
D. Pouring a protective layer
And a protective layer (8) of cement mortar is poured outside the waterproof coiled material layer.
4. The waterproof treatment method of the large-section prefabricated comprehensive pipe rack connecting structure according to claim 2, wherein epoxy resin glue is smeared between the connecting plates (3) in the step A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281928.XA CN108252330B (en) | 2018-04-02 | Large-section prefabricated comprehensive pipe rack connecting structure and waterproof treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281928.XA CN108252330B (en) | 2018-04-02 | Large-section prefabricated comprehensive pipe rack connecting structure and waterproof treatment method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108252330A CN108252330A (en) | 2018-07-06 |
| CN108252330B true CN108252330B (en) | 2024-06-04 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201217775Y (en) * | 2008-06-17 | 2009-04-08 | 上海市城市建设设计研究院 | Bidirectional temporary anti-pushing apparatus for bowstring arch bridge |
| CN105909281A (en) * | 2016-06-13 | 2016-08-31 | 王亚莉 | Large-section tunnel arch wall lining reinforcement reinforcing structure |
| CN205839796U (en) * | 2016-07-12 | 2016-12-28 | 中国电建集团昆明勘测设计研究院有限公司 | Pipe gallery internode attachment structure |
| WO2017107371A1 (en) * | 2015-12-21 | 2017-06-29 | 南京联众建设工程技术有限公司 | Combined box type pipe gallery |
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | The waterproof construction system and its construction method at underground pipe gallery expansion joint |
| CN206428729U (en) * | 2016-12-28 | 2017-08-22 | 中国建筑股份有限公司 | A kind of reinforced underground project waterproof structure of combined type |
| CN206599867U (en) * | 2017-02-06 | 2017-10-31 | 航天晨光股份有限公司 | A kind of waterproofing of movement joints construction |
| CN208152087U (en) * | 2018-04-02 | 2018-11-27 | 兰州交通大学 | A kind of prefabricated pipe gallery connection structure of big cross section |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201217775Y (en) * | 2008-06-17 | 2009-04-08 | 上海市城市建设设计研究院 | Bidirectional temporary anti-pushing apparatus for bowstring arch bridge |
| WO2017107371A1 (en) * | 2015-12-21 | 2017-06-29 | 南京联众建设工程技术有限公司 | Combined box type pipe gallery |
| CN105909281A (en) * | 2016-06-13 | 2016-08-31 | 王亚莉 | Large-section tunnel arch wall lining reinforcement reinforcing structure |
| CN205839796U (en) * | 2016-07-12 | 2016-12-28 | 中国电建集团昆明勘测设计研究院有限公司 | Pipe gallery internode attachment structure |
| CN206428729U (en) * | 2016-12-28 | 2017-08-22 | 中国建筑股份有限公司 | A kind of reinforced underground project waterproof structure of combined type |
| CN206599867U (en) * | 2017-02-06 | 2017-10-31 | 航天晨光股份有限公司 | A kind of waterproofing of movement joints construction |
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | The waterproof construction system and its construction method at underground pipe gallery expansion joint |
| CN208152087U (en) * | 2018-04-02 | 2018-11-27 | 兰州交通大学 | A kind of prefabricated pipe gallery connection structure of big cross section |
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