CN111472386A - Underground opening plugging structure and underground opening plugging construction method - Google Patents
Underground opening plugging structure and underground opening plugging construction method Download PDFInfo
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- CN111472386A CN111472386A CN202010289382.XA CN202010289382A CN111472386A CN 111472386 A CN111472386 A CN 111472386A CN 202010289382 A CN202010289382 A CN 202010289382A CN 111472386 A CN111472386 A CN 111472386A
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- prefabricated cover
- cover plate
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- concrete
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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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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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
Abstract
The application provides an underground opening plugging structure and an underground opening plugging construction method, and belongs to the field of building construction. It comprises a plurality of prefabricated cover plates; a plurality of construction posts mounted between the sidewalls of adjacent prefabricated cover panels; the ring beams are arranged between the adjacent prefabricated cover plates and are perpendicular to the constructional columns; concrete is poured around the prefabricated cover plate, the constructional column and the ring beam, and a plurality of buried water stops and a plurality of extruded sheets are installed in the concrete. The structure is convenient to mount and dismount, the process operation is simple, the plugging time of the underground connection hole can be shortened, the site construction progress is accelerated, and the waterproof structure has good waterproof performance.
Description
Technical Field
The application relates to the field of building construction, in particular to an underground opening plugging structure and an underground opening plugging construction method.
Background
During housing construction or municipal piping lane construction, because reasons such as project mark section difference, construction fund and construction schedule arrangement plan, can lead to adjacent mark section to connect the unable simultaneous construction of entrance to can't connect simultaneously, thereby can not guarantee that the mark section engineering that has accomplished can satisfy and seal the user demand after completing the acceptance.
Disclosure of Invention
An object of the present application is to provide an underground opening plugging structure and an underground opening plugging construction method, which aim to solve the problem of low construction efficiency of the existing adjacent underground connection openings.
The technical scheme of the application is as follows:
an underground opening blocking structure, comprising:
a plurality of prefabricated cover plates;
a plurality of construction posts mounted between the sidewalls of adjacent said precast cover panels;
the ring beams are arranged between the adjacent prefabricated cover plates and are perpendicular to the constructional columns;
concrete is poured around the prefabricated cover plate, the constructional column and the ring beam, and a plurality of buried water stop belts and a plurality of extruded sheets are installed in the concrete.
As a technical scheme of this application, the prefabricated apron with the constructional column, fill in the clearance between the ring beam has waterproof mortar.
As a technical scheme of the application, a layer of waterproof mortar is smeared outside the extruded sheet.
As a technical scheme of this application, the lateral surface of prefabricated apron has paintd one deck waterproof mortar, it has SBS waterproofing membrane to paste on the waterproof mortar.
As a technical scheme of this application, the medial surface of prefabricated apron has scribbled a layer waterproof mortar, scribble a layer polyurethane waterproof layer on the waterproof mortar, scribble a layer waterproof mortar on the polyurethane waterproof layer.
As a technical scheme of this application, prefabricated apron is formed by a plurality of reinforcing bars and concrete placement, just a plurality of reinforcing bar pull rings are installed with the interval on the prefabricated apron.
As one technical scheme of the application, the constructional column is formed by pouring a plurality of main reinforcements, a plurality of stirrups and concrete.
As a technical scheme of this application, the collar tie beam is formed by a plurality of reinforcing bars, a plurality of stirrup and concrete placement.
The underground hole plugging construction method comprises the underground hole plugging structure and comprises the following steps:
s1, cleaning the working surface of the base layer, and cleaning the concrete wall and the beam bottom around the connecting hole; marking the positions of the constructional columns and the ring beams according to the size of the prefabricated cover plates, the constructional columns and the ring beams;
s2, manufacturing the steel bars of the prefabricated cover plate, reserving the steel bar pull rings of the prefabricated cover plate, and pouring concrete of the prefabricated cover plate;
s3, planting reinforcing steel bars of the constructional column and the ring beam in the marked position, sealing a template after the reinforcing steel bars of the constructional column and the ring beam are bound, and pouring concrete of the constructional column and the ring beam;
s4, when the strength of the prefabricated cover plate reaches 100%, installing the prefabricated cover plate between the constructional column and the ring beam in a one-to-one correspondence manner, and fixing the back of the prefabricated cover plate through a steel pipe;
s5, after the prefabricated cover plates are completely installed and fixed, leveling the inner side joints of the prefabricated cover plates by adopting waterproof mortar, and then coating a polyurethane waterproof layer; coating a cement mortar waterproof protective layer on the polyurethane waterproof layer; after construction is finished, the prefabricated cover plate is supported and erected, and the prefabricated cover plate is reinforced;
and S6, plugging and leveling the outer side joints of the prefabricated cover plates by using the waterproof mortar, and after the waterproof mortar is dried, paving a layer of SBS waterproof coiled material on the waterproof mortar for sealing.
The beneficial effect of this application:
according to the underground hole plugging structure and the underground hole plugging construction method, the prefabricated cover plate is manufactured in advance, and is hoisted after the strength of the prefabricated cover plate reaches 100% and is fixed on the base layer operation surface; the prefabricated cover plate adopts reserved steel bars which are respectively connected with the constructional column and the ring beam, and concrete is poured in a splicing gap of the prefabricated cover plate, the constructional column and the ring beam; meanwhile, the reserved steel bar pull ring of the prefabricated cover plate is fixedly connected by adopting a transverse steel pipe, so that the reserved cover plate is supported and reinforced; waterproof mortar is used for trowelling the splicing gap of the water-facing surface of the reserved cover plate, 2-level waterproof treatment is carried out on the surface of the waterproof mortar, namely, one SBS waterproof coiled material is pasted on the waterproof mortar, so that the waterproof effect of the water-facing surface of the whole prefabricated cover plate can be effectively improved, and the whole prefabricated cover plate is longer in service life and firmer. In addition, adopt waterproof mortar to smear its concatenation gap at the medial surface of prefabricated apron and scribble the thicker polyurethane waterproof layer of one deck again after floating, use cement mortar to make one waterproof layer again on the polyurethane waterproof layer to make whole prefabricated apron have better water-proof effects, overall structure is also more firm. Therefore, by using the underground opening plugging construction method, the prefabricated cover plate can be manufactured in advance according to the size of the opening, meanwhile, the prefabricated cover plate is very convenient to install and detach, and compared with the traditional artificial brick wall building, the whole construction progress can be effectively accelerated, and the construction cost and the manufacturing cost can be effectively saved. In addition, adopt reinforced concrete prefabricated cover plate, have the characteristics of saving construction and material cost for traditional artifical brick walling, whole structure has better reinforcement effect simultaneously. Simultaneously, the installation and the dismantlement of prefabricated apron are all comparatively convenient, and process easy operation can shorten the shutoff time of underground connection entrance to a cave effectively to can accelerate the site operation progress effectively, and whole structure has good waterproof nature, can satisfy the service function of underground connection entrance to a cave. In addition, adopt prefabricated apron, constructional column and collar tie beam, in addition steel pipe support system, for traditional brick wall shutoff, it has better stability and economic benefits, and convenient construction saves the cost.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a plugging structure of a subterranean hole provided by an embodiment of the present application;
fig. 2 is a schematic diagram of a prefabricated cover plate structure provided in the embodiment of the present application;
fig. 3 is a side view of a subterranean hole plugging structure provided by an embodiment of the present application.
Icon: 1-underground hole plugging structure; 2, prefabricating a cover plate; 3-constructing a column; 4-ring beam; 5-concrete; 6-buried water stop belt; 7-extruding a plastic plate; 8-reinforcing steel bars; 9-steel bar pull ring; 10-vertical steel pipes; 11-a diagonal rod; 12-connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example (b):
referring to fig. 1 and fig. 2 to 3, the present application provides an underground opening plugging structure 1, which includes a plurality of prefabricated cover plates 2, a plurality of constructional columns 3 and a plurality of ring beams 4; the constructional column 3 is arranged between the side walls of the left prefabricated cover plate 2 and the right prefabricated cover plate 2 which are adjacent to each other, and the left side and the right side of the constructional column 3 are respectively provided with one prefabricated cover plate 2; the ring beam 4 is installed between the prefabricated cover plates 2 adjacent from top to bottom, the ring beam 4 is perpendicular to the constructional column 3, the prefabricated cover plates 2 are installed on the upper side and the lower side of the ring beam 4, one end of the ring beam 4 is fixedly connected to one end of the constructional column 3, and the other end of the ring beam is fixedly connected to the inner wall of the outer wall of the underground opening. Simultaneously, all pour concrete 5 around prefabricated apron 2, constructional column 3 and collar tie 4, bury formula waterstop 6 and a plurality of extruded sheet 7 in concrete 5 of pouring in burying.
In the present embodiment, the joint gaps between the prefabricated cover plate 2 and the constructional column 3 and between the prefabricated cover plate and the ring beam 4 are filled with waterproof mortar.
In this embodiment, a layer of waterproof mortar is applied to the extruded sheet 7.
It should be noted that, in this embodiment, the prefabricated cover plate 2 is formed by pouring the double-layer bidirectional reinforcing steel bars 8 and the concrete 5, and a plurality of reinforcing steel bar pull rings 9 are pre-embedded at intervals on the poured prefabricated cover plate 2, and the reinforcing steel bar pull rings 9 are perpendicular to the double-layer bidirectional reinforcing steel bars 8, and are mainly used for fixing and positioning the later-stage prefabricated cover plate 2. Meanwhile, waterproof mortar is used for trowelling the splicing gap of the outer upstream surface of the prefabricated cover plate 2, 2-level waterproof treatment is carried out on the surface of the waterproof mortar, namely, one SBS waterproof coiled material is pasted on the waterproof mortar, so that the waterproof effect of the upstream surface of the whole prefabricated cover plate 2 can be effectively improved, the service life of the whole prefabricated cover plate 2 is longer, and the prefabricated cover plate is firmer. Adopt waterproof mortar to smear its concatenation gap at the medial surface of prefabricated apron 2 and scribble the thicker polyurethane waterproof layer of one deck again after floating, use cement mortar to make one waterproof layer again on the polyurethane waterproof layer to make whole prefabricated apron 2 have better water-proof effects, overall structure is also more firm.
In addition, adopt 8 concrete 5 prefabricated cover plates 2 of reinforcing bar, have the characteristics of saving construction and material cost for traditional artifical brick walling, whole structure has better reinforcement effect simultaneously. Simultaneously, the installation and the dismantlement of prefabricated apron 2 are all comparatively convenient, and process easy operation can shorten the shutoff time of underground connection entrance to a cave effectively to can accelerate the site operation progress effectively, and whole structure has good waterproof nature, can satisfy the service function of underground connection entrance to a cave.
Further, the double-layer bidirectional steel bars 8 of the prefabricated cover plate 2 adopt steel bars 8 with the diameter of 12mm, and the space between the steel bars 8 of each layer of the steel bars 8 is 200 mm.
In the present embodiment, the structural column 3 is formed by casting a plurality of reinforcing bars 8, a plurality of stirrups, and concrete 5. The constructional column 3 is made of 8 main reinforcements with the diameter of 12mm, 6 stirrups with the spacing of 200mm and poured concrete 5, and the concrete 5 is C30 concrete 5. Simultaneously, the lower extreme of the 8's of reinforcing bar of constructional column 3 bar planting is to the inside 180mm of raft foundation, and the upper end bar planting is to the inside 180mm of upper portion roof beam.
In the present embodiment, the ring beam 4 is formed by casting a plurality of reinforcing bars 8, a plurality of stirrups, and concrete 5; the ring beam 4 is manufactured by adopting 4 HPB235 steel bars 8 with the diameter of 12mm, arranging HPB235 stirrups with the diameter of 6mm at intervals of 200mm and pouring concrete 5 together.
Further, in this embodiment, a plurality of vertical steel pipes 10 are installed along the direction parallel to the inner side surface of the prefabricated cover plate 2, the plurality of vertical steel pipes 10 are fixedly installed on the base layer working surface and parallel to the inner side surface of the prefabricated cover plate 2, the diameter of each vertical steel pipe 10 is 48mm, and the distance between every two vertical steel pipes 10 is 900 mm; a plurality of inclined rods 11 are connected between a base layer operation surface and the vertical steel pipe 10, one end of each inclined rod 11 is fixedly connected to the base layer operation surface, the other end of each inclined rod 11 is fixedly connected to the steel bar pull ring 9 on the prefabricated cover plate 2 through the vertical steel pipe 10, meanwhile, the diameter of each inclined rod 11 is 48mm, the distance between every two adjacent inclined rods 11 is 900mm, a plurality of connecting rods 12 arranged at intervals are connected between every two adjacent inclined rods 11, and the diameter of each connecting rod 12 is 48 mm; in addition, 6 steel bars 8 with the diameter of 25mm are vertically driven into the supporting oblique steel pipes in the raft at the connecting position of the oblique rod 11 and the base layer operation surface. Adopt prefabricated apron 2, constructional column 3 and collar tie beam 4, in addition steel pipe support system, for traditional brick wall shutoff, it has better stability and economic benefits, and convenient construction saves the cost.
The application also provides a construction method for plugging the underground opening, which mainly comprises the following main operation steps:
s1, cleaning the working surface of the base layer, and cleaning the concrete 5 wall and the beam bottom around the connecting hole; the line positions are placed according to the sizes of the prefabricated cover plate 2, the constructional column 3 and the ring beam 4, and the positions of the constructional column 3 and the ring beam 4 are marked;
s2, manufacturing a steel bar 8 of the prefabricated cover plate 2, reserving a steel bar pull ring 9 of the prefabricated cover plate 2, and pouring concrete 5 of the prefabricated cover plate 2;
s3, planting reinforcing steel bars 8 of the constructional column 3 and the ring beam 4 in the marked positions, sealing the template after the binding of the reinforcing steel bars 8 of the constructional column 3 and the ring beam 4 is finished, and pouring concrete 5 of the constructional column 3 and the ring beam 4;
s4, when the strength of the prefabricated cover plate 2 reaches 100%, installing the prefabricated cover plate 2 between the constructional column 3 and the ring beam 4 in a one-to-one correspondence manner, and fixing the back of the prefabricated cover plate 2 through a steel pipe;
s5, after the prefabricated cover plate 2 is completely installed and fixed, the inner side seam of the prefabricated cover plate 2 is smoothed by waterproof mortar, and then a layer of polyurethane waterproof layer is coated; coating a cement mortar waterproof protective layer on the polyurethane waterproof layer; after the construction is finished, the prefabricated cover plate 2 is supported and erected, and the prefabricated cover plate 2 is reinforced;
and S6, plugging and leveling the outer side joints of the prefabricated cover plate 2 by using waterproof mortar, and after the waterproof mortar is dried, paving a layer of SBS waterproof coiled material on the waterproof mortar for sealing.
According to the underground hole plugging structure 1 and the underground hole plugging construction method, the prefabricated cover plate 2 is manufactured in advance, and is hoisted after the strength of the prefabricated cover plate 2 reaches 100% and is fixed on a base layer operation surface; the prefabricated cover plate 2 adopts reserved steel bars 8 which are respectively connected with the constructional columns 3 and the ring beams 4, and concrete 5 is poured in splicing gaps of the three; meanwhile, the reserved steel bar pull ring 9 of the prefabricated cover plate 2 is fixedly connected by adopting a transverse steel pipe, so that the supporting and the reinforcing of the reserved cover plate are realized; waterproof mortar is used to trowel the splicing gap on the upstream surface of the reserved cover plate, and 2-level waterproof treatment is carried out on the surface of the waterproof mortar, namely, one SBS waterproof coiled material is pasted on the waterproof mortar, so that the waterproof effect of the upstream surface of the whole prefabricated cover plate 2 can be effectively improved, and the service life of the whole prefabricated cover plate 2 is longer and firmer. In addition, adopt waterproof mortar to smear its concatenation gap at prefabricated apron 2's medial surface and scribble the thicker polyurethane waterproof layer of one deck again after, use cement mortar to make one waterproof layer again on the polyurethane waterproof layer to make whole prefabricated apron 2 have better water-proof effects, overall structure is also more firm. Therefore, by using the underground opening plugging construction method, the prefabricated cover plate 2 can be manufactured in advance according to the size of the opening, meanwhile, the prefabricated cover plate 2 is very convenient to install and detach, and compared with the traditional artificial brick wall building, the whole construction progress can be effectively accelerated, and the construction cost and the manufacturing cost can be effectively saved. In addition, adopt 8 concrete 5 prefabricated cover plates 2 of reinforcing bar, have the characteristics of saving construction and material cost for traditional artifical brick walling, whole structure has better reinforcement effect simultaneously. Simultaneously, the installation and the dismantlement of prefabricated apron 2 are all comparatively convenient, and process easy operation can shorten the shutoff time of underground connection entrance to a cave effectively to can accelerate the site operation progress effectively, and whole structure has good waterproof nature, can satisfy the service function of underground connection entrance to a cave. In addition, adopt prefabricated apron 2, constructional column 3 and collar tie beam 4, in addition steel pipe support system, for traditional brick wall shutoff, it has better stability and economic benefits, and convenient construction saves the cost.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. An underground opening blocking structure, comprising:
a plurality of prefabricated cover plates;
a plurality of construction posts mounted between the sidewalls of adjacent said precast cover panels;
the ring beams are arranged between the adjacent prefabricated cover plates and are perpendicular to the constructional columns;
concrete is poured around the prefabricated cover plate, the constructional column and the ring beam, and a plurality of buried water stop belts and a plurality of extruded sheets are installed in the concrete.
2. An underground hole plugging structure according to claim 1, wherein gaps between said prefabricated cover plate and said constructional columns and said ring beams are filled with waterproof mortar.
3. An underground hole plugging structure according to claim 1, wherein a layer of waterproof mortar is coated on the extruded sheet.
4. An underground hole plugging structure according to claim 1, wherein a layer of waterproof mortar is coated on the outer side surface of said prefabricated cover plate, and SBS waterproof coiled materials are adhered on said waterproof mortar.
5. An underground hole plugging structure according to claim 1, wherein the inner side surface of said prefabricated cover plate is coated with a layer of waterproof mortar, said waterproof mortar is coated with a layer of polyurethane waterproof layer, and said polyurethane waterproof layer is coated with a layer of waterproof mortar.
6. An underground hole plugging structure according to claim 1, wherein said prefabricated cover plate is formed by casting a plurality of steel bars and concrete, and a plurality of steel bar pull rings are installed on said prefabricated cover plate at intervals.
7. An underground hole plugging structure according to claim 1, wherein said constructional column is cast of a plurality of main tendons, a plurality of stirrups and concrete.
8. An underground hole plugging structure according to claim 1, wherein said girt is cast of a plurality of steel bars, a plurality of stirrups and concrete.
9. An underground cave entrance plugging construction method, comprising the underground cave entrance plugging structure of any one of claims 1 to 8, characterized by comprising the following steps:
s1, cleaning the working surface of the base layer, and cleaning the concrete wall and the beam bottom around the connecting hole; marking the positions of the constructional columns and the ring beams according to the size of the prefabricated cover plates, the constructional columns and the ring beams;
s2, manufacturing the steel bars of the prefabricated cover plate, reserving the steel bar pull rings of the prefabricated cover plate, and pouring concrete of the prefabricated cover plate;
s3, planting reinforcing steel bars of the constructional column and the ring beam in the marked position, sealing a template after the reinforcing steel bars of the constructional column and the ring beam are bound, and pouring concrete of the constructional column and the ring beam;
s4, when the strength of the prefabricated cover plate reaches 100%, installing the prefabricated cover plate between the constructional column and the ring beam in a one-to-one correspondence manner, and fixing the back of the prefabricated cover plate through a steel pipe;
s5, after the prefabricated cover plates are completely installed and fixed, leveling the inner side joints of the prefabricated cover plates by adopting waterproof mortar, and then coating a polyurethane waterproof layer; coating a cement mortar waterproof protective layer on the polyurethane waterproof layer; after construction is finished, the prefabricated cover plate is supported and erected, and the prefabricated cover plate is reinforced;
and S6, plugging and leveling the outer side joints of the prefabricated cover plates by using the waterproof mortar, and after the waterproof mortar is dried, paving a layer of SBS waterproof coiled material on the waterproof mortar for sealing.
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CN203160204U (en) * | 2013-03-25 | 2013-08-28 | 中国葛洲坝集团国际工程有限公司 | Semi-rigid water blocking device for temporary plugging of underwater hole |
JP5318818B2 (en) * | 2010-04-28 | 2013-10-16 | 公益財団法人鉄道総合技術研究所 | Seismic retrofitting method for obliquely penetrating branch reinforcement tip expansion anchor for earthquake resistance reinforcement and structures in contact with the ground |
CN204626452U (en) * | 2015-05-20 | 2015-09-09 | 合肥市市政设计院有限公司 | Underground structure reserved opening temporary plugging structure |
CN107524471A (en) * | 2017-10-18 | 2017-12-29 | 北京建工路桥工程建设有限责任公司 | A kind of tunnel end plugging construction method |
CN109356183A (en) * | 2018-11-26 | 2019-02-19 | 武汉市市政建设集团有限公司 | A kind of open caisson reserved opening plugging structure and its construction method |
CN209179082U (en) * | 2017-10-26 | 2019-07-30 | 中国建筑第八工程局有限公司 | Construction sealing hole device |
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2020
- 2020-04-14 CN CN202010289382.XA patent/CN111472386A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5318818B2 (en) * | 2010-04-28 | 2013-10-16 | 公益財団法人鉄道総合技術研究所 | Seismic retrofitting method for obliquely penetrating branch reinforcement tip expansion anchor for earthquake resistance reinforcement and structures in contact with the ground |
CN203160204U (en) * | 2013-03-25 | 2013-08-28 | 中国葛洲坝集团国际工程有限公司 | Semi-rigid water blocking device for temporary plugging of underwater hole |
CN204626452U (en) * | 2015-05-20 | 2015-09-09 | 合肥市市政设计院有限公司 | Underground structure reserved opening temporary plugging structure |
CN107524471A (en) * | 2017-10-18 | 2017-12-29 | 北京建工路桥工程建设有限责任公司 | A kind of tunnel end plugging construction method |
CN209179082U (en) * | 2017-10-26 | 2019-07-30 | 中国建筑第八工程局有限公司 | Construction sealing hole device |
CN109356183A (en) * | 2018-11-26 | 2019-02-19 | 武汉市市政建设集团有限公司 | A kind of open caisson reserved opening plugging structure and its construction method |
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Application publication date: 20200731 |