CN113737809A - Waterproof construction method for latticed column crossing pipe gallery - Google Patents
Waterproof construction method for latticed column crossing pipe gallery Download PDFInfo
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- CN113737809A CN113737809A CN202111043247.8A CN202111043247A CN113737809A CN 113737809 A CN113737809 A CN 113737809A CN 202111043247 A CN202111043247 A CN 202111043247A CN 113737809 A CN113737809 A CN 113737809A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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Abstract
The application provides a waterproof construction method of crossing piping lane is worn to lattice column, include: the cross pipe gallery position, through waterproof materials such as stagnant water steel sheet, waterproofing membrane, sealant, CPS reaction bonding waterproof layer and the water swelling stagnant water adhesive tape in inside, add outside waterproof layer etc. the waterproof performance outside the reinforcing structure. And through carrying out the notch with the crossing position of lattice column on the piping lane, reject the lattice column to seal and pour each notch, make structural strength obtain the guarantee, and can carry out fine sealing, improve piping lane life, the process is simple, low cost, method strong adaptability.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a lattice column crossing pipe gallery waterproof construction method.
Background
The lattice column is used as a part of a foundation pit supporting system and is more and more appeared in deep foundation pit supporting, and the lattice column has good convenience, economy and applicability in an actual supporting system. The waterproof method for the latticed column penetrating structure main body is not deeply designed or broken through for years, and water leakage happens occasionally. Especially in the cross pipe gallery engineering, pipe gallery waterproofing is key process, and lattice column and pipe gallery interlude department in case take place the water leakage hidden danger, waterproof shutoff implementation difficulty again will directly influence pipe gallery normal use, reduce pipe gallery life.
The traditional method for waterproof of the latticed column penetrating structure main body comprises the following steps: one or two water stop steel plates are welded in the middle of the lattice column penetrating the structure, and an annular water-swelling rubber water stop adhesive tape is arranged at the welding position. The defects of the traditional waterproof method are as follows: the water-swelling water stop strip and the water stop steel plate are only subjected to waterproof protection in the structure, do not form a closed structure with the waterproof roll, and do not form a totally-closed skin-type waterproof layer. In the soil property environment that the water permeability is stronger, the infiltration of groundwater to lattice column can not be blocked to traditional waterproof way, along lattice column and structure subject gap seepage flow, causes the structure seepage.
Disclosure of Invention
In view of the above, the present invention provides a waterproof construction method for a lattice column crossing pipe gallery to solve or overcome at least one technical problem in the prior art.
The application provides a waterproof construction method of crossing piping lane is worn to lattice column, includes:
step one, carrying out foundation pit dewatering, foundation pit supporting and foundation pit earthwork excavation construction;
removing and grinding the reinforcement end of the cast-in-situ bored pile at the upper part of the bottom surface of the foundation pit, and paving a concrete cushion layer with a preset thickness;
welding a bottom water stop steel plate on the outer side of the lattice column at a preset position above the concrete cushion, and performing concrete gap filling in the lattice column between the bottom water stop steel plate and the concrete cushion;
fourthly, removing sundries on the base surface of the concrete cushion, and paving waterproof coiled materials on the outer side of the latticed column between the bottom water stop steel plate and the concrete cushion and at a preset distance of the intersection of the concrete cushion base surface and the latticed column;
coating sealing paste on the end part of a waterproof coiled material on the concrete cushion layer, adhering a water swelling and water stopping adhesive tape on the lap joint position of the bottom side of the bottom water stopping steel plate and the end part of the waterproof coiled material on the lattice column, laying a CPS reaction adhesion waterproof layer on the concrete cushion layer, throwing stubbles to be laid on the lattice beam, coating the sealing paste on the end of the throwing stubbles, and finally laying a waterproof protective layer of a pipe gallery bottom plate on the CPS reaction adhesion waterproof layer;
welding a top water stop steel plate at the intersection position of the upper end of the lattice column and the designed pipe gallery top plate, and performing concrete pouring and maintenance on the pipe gallery main body;
backfilling a pipe gallery foundation pit, arranging a pipe gallery side wall concrete force transmission belt, respectively forming notches at the intersection of the lattice columns, the pipe gallery bottom plate and the pipe gallery top plate, and gradually dismantling the foundation pit support;
step seven, coating waterproof paint in the groove of each notch, pouring and filling concrete, and sealing and filling after the concrete in each notch is cured to a preset strength;
step eight, clear away piping lane roof upper surface debris, lay waterproof enhancement layer in the notch outside default range of each piping lane roof upper surface, paint the sealant at waterproof enhancement layer tip to lay piping lane roof waterproof layer and piping lane roof waterproof layer on the piping lane roof.
Further, in the step one, the first step,
the foundation pit dewatering includes: constructing a crushed stone drainage ditch at the bottom of the ditch;
the excavation supporting includes: the construction method comprises the following steps of SMW construction pile construction, reinforced concrete crown beam construction, lattice column construction and reinforced concrete support construction;
the method for earth excavation construction comprises the following steps: mechanically excavating and keeping original soil 200-300 mm above the foundation of the foundation pit, and excavating to the designed bottom surface of the foundation pit manually.
Further, the predetermined thickness is at least 150 mm.
Further, in the third step, the welding positions of the water stop steel plates and the lattice column and the lap joint positions of the water stop steel plates are both subjected to double-sided welding.
Further, the preset distance and the preset range are at least 500 mm.
Further, in the sixth step, the formed notches comprise a notch formed in the upper surface of the bottom plate of the pipe gallery, a notch formed in the upper surface of the top plate of the pipe gallery and a notch formed in the lower surface of the top plate of the pipe gallery;
wherein, the notch that pipe gallery roof upper surface was seted up and the notch symmetry intercommunication setting that the pipe gallery roof lower surface was seted up.
Furthermore, the notches are all trapezoidal grooves, and the distance between the groove bottom and each water stop steel plate is 20-30 mm.
Further, in the seventh step,
before the waterproof coating is coated, roughening the groove bottom of the groove opening of the bottom plate of the pipe gallery and the groove bottom of the groove opening formed in the upper surface of the top plate of the pipe gallery at least;
and (4) adopting the notch below the lower surface of the top plate of the formwork supporting structure pipe gallery to support the formwork and then pouring the concrete.
Further, the formwork structure includes:
the template is used for supporting the notch on the lower surface of the top plate of the pipe gallery;
the top end of the support is connected to the template, and the bottom end of the support is supported on the bottom plate of the pipe gallery;
a steel ferrule connected to the bracket;
the first ends of the support rods are fixedly connected to the template, and the second ends of the support rods are fixedly connected to the steel ferrule;
the support can be adjusted in a telescopic mode, or the steel ferrule is provided with internal threads and connected to the support in a screwing mode.
Further, the strength grade of concrete used in this application is C20.
The application has the following beneficial effects:
the application provides a waterproof construction method of crossing pipe gallery is worn to lattice column, through the outer waterproof union pipe gallery major structure of skin formula from waterproof construction, forms waterproof barrier, improves water-proof effects. And notches are formed around the lattice columns, waterproof paint is coated in the grooves, and concrete is used for pouring in the grooves, so that the self-waterproof performance of the pipe gallery structure is enhanced. In the distance of predetermineeing with the contact of lattice column on the concrete cushion to and lay waterproof coiled material on the lattice column below the bottom stagnant water steel sheet, and seal waterproof coiled material, improve the outside water-proof effects of piping lane bottom plate. This application is through improving the waterproof performance that the latticed post worn cross pipe gallery main part position, improves pipe gallery life, and the process is simple, low cost, method strong adaptability.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a simple flow chart of a lattice column crossing pipe gallery waterproof construction method provided according to an embodiment of the invention;
FIG. 2 is a plan view of a cross pipe gallery and a lattice beam provided in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the cross-tube lane and lattice column positional relationship provided in accordance with an embodiment of the present invention;
fig. 4 to 7 are schematic views of waterproofing at a floor of a pipe gallery provided according to an embodiment of the present invention;
fig. 8 to 9 are schematic views of waterproofing at a gallery ceiling provided according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a formwork structure provided according to an embodiment of the present invention.
Wherein, 1-a first pipe gallery, 2-a second pipe gallery, 3-a latticed column, 4-a foundation pit bottom surface, 5-a gravel drainage ditch, 6-a concrete cushion layer, 7-a CPS reaction bonding waterproof layer, 8-a pipe gallery bottom plate waterproof protective layer, 9-an SMW construction pile, 10-a reinforced concrete crown beam, 11-a reinforced concrete support, 12-a water stop steel plate, 13-a drilling filling pile reinforcement end, 14-a waterproof coiled material, 15-a pipe gallery bottom plate, 16-a sealing paste, 17-a water swelling water stop adhesive tape, 18-a low modulus polysulfide caulking paste, 19-a waterproof coating, 20-chiseling, 21-through holes, 22-a waterproof reinforced layer, 23-a template, 24-a stay bar, 25-a steel hoop and 26-a thread screwing part, 27-support, 28-screw, 29-waterproof protection layer of pipe gallery top plate, 30-pipe gallery top plate and 121-top water stop steel plate.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Referring to fig. 1 to 10, the present application provides a waterproof construction method for a lattice column crossing pipe gallery, which mainly aims at the waterproof operation of the crossing position of two pipe galleries, for example, the crossing of a first pipe gallery 1 and a second pipe gallery 2 in fig. 1 and 2, and the crossing position is easy to have the problem of water leakage. The method comprises the following steps:
step one, referring to fig. 3, carrying out foundation pit dewatering, foundation pit supporting and foundation pit earthwork excavation construction; the foundation pit dewatering comprises construction of a groove bottom gravel drainage ditch 5; the foundation pit supporting comprises SMW construction method pile 9 construction, reinforced concrete crown beam 10 construction, lattice column 3 construction and reinforced concrete support 11 construction; the method for earth excavation construction comprises the following steps: mechanical excavation and the original state soil of 200 ~ 300mm above the basement of reservation foundation ditch adopt artifical excavation to foundation ditch design bottom surface, avoid because mechanical excavation is too deep, destroy the basement soil layer of foundation ditch.
Step two, removing and grinding the reinforcement end 13 of the cast-in-situ bored pile at the upper part of the bottom surface 4 of the foundation pit, avoiding the loss of the exposed reinforcement to personnel or property, and paving a concrete cushion 6 with a preset thickness; wherein the predetermined thickness is at least 150 mm.
Thirdly, referring to fig. 4, welding a bottom water stop steel plate 12 on the outer side of the lattice column 3 at a preset position above the concrete cushion 6, and performing concrete gap filling in the lattice column 3 between the bottom water stop steel plate 12 and the concrete cushion 6; the welding positions of the water stop steel plates 12 and the lattice column 3 and the lap joint positions of the water stop steel plates 12 are both subjected to double-sided welding, so that the welding tightness is guaranteed.
Step four, referring to fig. 5, removing impurities on the base surface of the concrete cushion 6, and paving waterproof rolls 14 on the outer side of the latticed column 3 between the bottom water stop steel plate 12 and the concrete cushion 6 and the preset distance of the intersection of the base surface of the concrete cushion 6 and the latticed column 3; the lapping length between the waterproof coiled materials 14 is larger than 80mm, so that the lapping and pasting among the waterproof coiled materials 14 are firmer. The predetermined distance is at least 500mm, ensuring a sufficient distance to prevent water penetration and enhancing sufficient adhesive strength of the waterproof roll 14. Wherein, the 14 tip of waterproofing membrane on the concrete bed course 6 is scribbled sealing paste 16 the bottom side of bottom stagnant water steel sheet 12 and the 14 tip overlap joint positions of waterproofing membrane on the lattice column 3 paste and meet water inflation stagnant water adhesive tape 17, lay CPS reaction on the concrete bed course 6 and glue waterproof layer 7 to throw the stubble and lay to 30mm above the lattice roof beam, scribble sealing paste 16 at the end of throwing the stubble, at last lay the piping lane bottom plate water proof coating 8 that at least 50mm is thick on CPS reaction glues waterproof layer 7.
And step five, referring to fig. 8, welding a top water stop steel plate 121 at the intersection position of the upper end of the lattice column 3 and the designed pipe gallery top plate 30, and performing concrete pouring and curing of the pipe gallery main body.
Step six, the pipe gallery foundation pit is backfilled and the pipe gallery side wall concrete force transmission belt is arranged, notches are respectively arranged at the intersection of the lattice columns 3, the pipe gallery bottom plate 15 and the pipe gallery top plate 30, and the foundation pit support is gradually removed. The arranged notches comprise a notch arranged on the upper surface of the pipe gallery bottom plate 15, a notch arranged on the upper surface of the pipe gallery top plate 30 and a notch arranged on the lower surface of the pipe gallery top plate 30; wherein, the notch that the upper surface of piping lane roof 30 was seted up and the notch symmetry intercommunication setting that the lower surface of piping lane roof 30 was seted up. Specifically, through boring through-hole 21 between the notch that the upper surface was seted up at piping lane roof 30 and the notch that the lower surface was seted up at piping lane roof 30 and realize the intercommunication, the purpose is used for the pouring in later stage.
In this embodiment, each of the notches is a trapezoidal groove, and the distance between the groove bottom and each of the water stop steel plates is 20mm to 30 mm. The face of opening of notch is the square, and the opening size can be according to arranging of pipe gallery main part reinforcing bar in the actual work progress and deciding, and open-ended size more than or equal to 500 mm. As will be appreciated by those skilled in the art, the lower surface of the tube lane top plate 30 is provided with notches having openings and dimensions that are the same as or slightly smaller than the dimensions of the notches provided in the upper surface of the tube lane bottom plate 15 or the tube lane top plate 30, and the lattice columns 3 below the tube lane top plate 30 are eliminated.
Seventhly, firstly, roughening 20 at least the groove bottom of the bottom plate 15 of the pipe gallery and the groove bottom of the top plate 30 of the pipe gallery; it will be appreciated that the rebates provided in the lower surface of the gallery ceiling 30 may or may not be chiseled 20. And (3) coating waterproof paint 19 in the groove of each notch, pouring and filling concrete, after the concrete in each notch is cured to a preset strength, filling the gap, and finally applying a fine aggregate concrete pavement layer on the top surface of the pipe gallery bottom plate 15. In this embodiment, the waterproof coating 19 is a cement-based penetrating clean waterproof coating 19, and caulking is performed using the low-modulus polysulfide caulk 18.
Wherein, adopt the notch below of a formwork structure piping lane roof 30 lower surface to carry out pouring of concrete again after formwork. Formwork is supported through a formwork structure under the notch of piping lane roof 30 lower surface, and pouring of concrete is carried out at the notch of piping lane roof 30 upper surface.
Referring to fig. 9 and 10, the formwork structure includes: the template 23 is used for supporting the notch on the lower surface of the top plate 30 of the pipe gallery; the top end of the support is connected to the template 23, and the bottom end of the support is supported on the pipe gallery bottom plate 15; a steel ferrule 25 attached to the bracket; a plurality of struts 24, wherein a first end of each strut 24 is fixedly connected to the formwork 23 by a screw 28, and a second end of each strut 24 is fixedly connected to the steel ferrule 25; the support can be telescopically adjusted, or the steel ferrule 25 is provided with internal threads and is screwed and connected to the support. The support is provided with a screwing part 26, and the length of the support can be finely adjusted by rotating the screwing part 26, so that the formwork of the notch on the upper surface of the pipe gallery top plate 30 can be more compact.
In an optional embodiment, a rubber surface layer is arranged on the surface of the template 23, which is in contact with the notch, so that the structural degree of the lower surface of the template 23 and the lower surface of the pipe gallery top plate 30 can be enhanced, and slurry leakage can be avoided.
Step eight, clear away pipe gallery roof 30 upper surface debris, lay waterproof enhancement layer 22 in the notch outside default range of each pipe gallery roof 30 upper surface, paint sealant 16 at waterproof enhancement layer 22 tip to lay pipe gallery roof waterproof layer and pipe gallery roof waterproof layer 29 on pipe gallery roof 30, thereby form the outer waterproof of skin formula. Wherein the predetermined range is at least 500 mm.
In this embodiment, a strength grade of concrete C20 is used, or a higher strength grade concrete is used.
The application provides a waterproof construction method of crossing pipe gallery is worn to lattice column, through the outer waterproof union pipe gallery major structure of skin formula from waterproof construction, forms waterproof barrier, improves water-proof effects. And notches are formed around the lattice columns 3, waterproof paint 19 is coated in the notches, and concrete is poured in the notches, so that the self-waterproof performance of the pipe gallery structure is enhanced. In the distance of predetermineeing with the contact of lattice column 3 on concrete cushion 6 to and lay waterproofing membrane 14 on the lattice column 3 below the stagnant water steel sheet 12 in the bottom, and seal waterproofing membrane 14, improve the outer water-proof effects of piping lane bottom plate 15. This application is through improving the waterproof performance that the latticed post worn cross pipe gallery main part position, improves pipe gallery life, and the process is simple, low cost, method strong adaptability.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a waterproof construction method of crossing piping lane is worn to lattice column which characterized in that includes:
step one, carrying out foundation pit dewatering, foundation pit supporting and foundation pit earthwork excavation construction;
removing and grinding the reinforcement end of the cast-in-situ bored pile at the upper part of the bottom surface of the foundation pit, and paving a concrete cushion layer with a preset thickness;
welding a bottom water stop steel plate on the outer side of the lattice column at a preset position above the concrete cushion, and performing concrete gap filling in the lattice column between the bottom water stop steel plate and the concrete cushion;
fourthly, removing sundries on the base surface of the concrete cushion, and paving waterproof coiled materials on the outer side of the latticed column between the bottom water stop steel plate and the concrete cushion and at a preset distance of the intersection of the concrete cushion base surface and the latticed column;
coating sealing paste on the end part of a waterproof coiled material on the concrete cushion layer, adhering a water swelling and water stopping adhesive tape on the lap joint position of the bottom side of the bottom water stopping steel plate and the end part of the waterproof coiled material on the lattice column, laying a CPS reaction adhesion waterproof layer on the concrete cushion layer, throwing stubbles to be laid on the lattice beam, coating the sealing paste on the end of the throwing stubbles, and finally laying a waterproof protective layer of a pipe gallery bottom plate on the CPS reaction adhesion waterproof layer;
welding a top water stop steel plate at the intersection position of the upper end of the lattice column and the designed pipe gallery top plate, and performing concrete pouring and maintenance on the pipe gallery main body;
backfilling a pipe gallery foundation pit, arranging a pipe gallery side wall concrete force transmission belt, respectively forming notches at the intersection of the lattice columns, the pipe gallery bottom plate and the pipe gallery top plate, and gradually dismantling the foundation pit support;
step seven, coating waterproof paint in the groove of each notch, pouring and filling concrete, and sealing and filling after the concrete in each notch is cured to a preset strength;
step eight, clear away piping lane roof upper surface debris, lay waterproof enhancement layer in the notch outside default range of each piping lane roof upper surface, paint the sealant at waterproof enhancement layer tip to lay piping lane roof waterproof layer and piping lane roof waterproof layer on the piping lane roof.
2. The lattice column crossing pipe gallery waterproofing construction method according to claim 1, wherein in the first step,
the foundation pit dewatering includes: constructing a crushed stone drainage ditch at the bottom of the ditch;
the excavation supporting includes: the construction method comprises the following steps of SMW construction pile construction, reinforced concrete crown beam construction, lattice column construction and reinforced concrete support construction;
the method for earth excavation construction comprises the following steps: mechanically excavating and keeping original soil 200-300 mm above the foundation of the foundation pit, and excavating to the designed bottom surface of the foundation pit manually.
3. The lattice column crossing pipe gallery waterproofing construction method according to claim 1, wherein the predetermined thickness is at least 150 mm.
4. The lattice column crossing pipe gallery waterproof construction method according to claim 1, wherein in step three, the welding positions of the water stop steel plates and the lattice column and the overlapping positions of the water stop steel plates are both subjected to double-sided welding.
5. The lattice column crossing pipe gallery waterproofing construction method according to claim 1, wherein the preset distance and the preset range are at least 500 mm.
6. The lattice column crossing pipe gallery waterproof construction method according to claim 1, wherein in the sixth step, the formed notches include a notch formed in an upper surface of a bottom plate of the pipe gallery, a notch formed in an upper surface of a top plate of the pipe gallery, and a notch formed in a lower surface of the top plate of the pipe gallery;
wherein, the notch that pipe gallery roof upper surface was seted up and the notch symmetry intercommunication setting that the pipe gallery roof lower surface was seted up.
7. The lattice column crossing pipe gallery waterproof construction method according to claim 1 or 6, wherein each of the opened notches is a trapezoidal groove, and the distance between the groove bottoms of the grooves is 20mm to 30mm from each of the corresponding water stop steel plates.
8. The lattice column crossing pipe gallery waterproofing construction method according to claim 1, wherein in step seven,
before the waterproof coating is coated, roughening the groove bottom of the groove opening of the bottom plate of the pipe gallery and the groove bottom of the groove opening formed in the upper surface of the top plate of the pipe gallery at least;
and (4) adopting the notch below the lower surface of the top plate of the formwork supporting structure pipe gallery to support the formwork and then pouring the concrete.
9. The lattice column crossing pipe gallery waterproofing construction method according to claim 1, wherein the formwork structure includes:
the template is used for supporting the notch on the lower surface of the top plate of the pipe gallery;
the top end of the support is connected to the template, and the bottom end of the support is supported on the bottom plate of the pipe gallery;
a steel ferrule connected to the bracket;
the first ends of the support rods are fixedly connected to the template, and the second ends of the support rods are fixedly connected to the steel ferrule;
the support can be adjusted in a telescopic mode, or the steel ferrule is provided with internal threads and connected to the support in a screwing mode.
10. The lattice column crossing pipe gallery waterproofing construction method according to any one of claims 1 to 9, wherein the strength grade of concrete used is C20.
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| CN202111043247.8A CN113737809B (en) | 2021-09-07 | 2021-09-07 | Waterproof construction method for lattice column crossing pipe gallery |
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| CN202111043247.8A CN113737809B (en) | 2021-09-07 | 2021-09-07 | Waterproof construction method for lattice column crossing pipe gallery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404883A (en) * | 2022-09-13 | 2022-11-29 | 中国一冶集团有限公司 | It meets laying of bridge pile subdivision piping lane and backfills structure to wear river reach |
| CN115596023A (en) * | 2022-10-13 | 2023-01-13 | 中国一冶集团有限公司（Cn） | Lattice column bottom plate penetrating waterproof structure and lattice column bottom plate penetrating waterproof construction method |
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| KR20180046064A (en) * | 2016-10-27 | 2018-05-08 | (주)세니츠코퍼레이션 | Reinforcement and waterproof structure of vertical shafts-utility tunnels interface |
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| CN115404883A (en) * | 2022-09-13 | 2022-11-29 | 中国一冶集团有限公司 | It meets laying of bridge pile subdivision piping lane and backfills structure to wear river reach |
| CN115404883B (en) * | 2022-09-13 | 2023-07-18 | 中国一冶集团有限公司 | Laying backfill structure of bridge pile cabin pipe gallery for river reach |
| CN115596023A (en) * | 2022-10-13 | 2023-01-13 | 中国一冶集团有限公司（Cn） | Lattice column bottom plate penetrating waterproof structure and lattice column bottom plate penetrating waterproof construction method |
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| CN113737809B (en) | 2023-01-13 |
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