CN111827363A - Underground building deformation joint waterproof structure and construction method thereof - Google Patents
Underground building deformation joint waterproof structure and construction method thereof Download PDFInfo
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- CN111827363A CN111827363A CN202010500418.4A CN202010500418A CN111827363A CN 111827363 A CN111827363 A CN 111827363A CN 202010500418 A CN202010500418 A CN 202010500418A CN 111827363 A CN111827363 A CN 111827363A
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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
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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Abstract
The invention relates to the technical field of buildings, in particular to a waterproof structure for deformation joints of underground buildings, which comprises the following components: a first caulk plate disposed in a gap between two adjacent structural panels; the first water stop is arranged in the middle of the structural slab in the vertical direction, an advanced backpack type waterproof structure is arranged outside the structural slab, and the entire underground chamber is externally waterproof while the advanced backpack is waterproof; according to the deformation joint waterproof structure for the underground building, provided by the embodiment of the invention, the first joint filling plate has a certain waterproof sealing effect on the gap between the structural plates, when the basement structural plates are displaced and deformed up and down, the first water stop belt transversely intercepts water leaked from the gap between the two structural plates, the advanced backpack type waterproof structure is arranged outside the structural plates, the integral underground outdoor waterproof structure is arranged outside the advanced backpack waterproof structure, the advanced backpack type waterproof structure is added, so that the gap between the two structural plates is added with the external waterproof, and the defect that the externally attached water stop belt falls off due to the displacement and deformation of the structural plates can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a waterproof structure for deformation joints of underground buildings.
Background
The existing construction method is that a rubber water stop belt is arranged in or attached to the deformation joint, and a section steel detachable rubber water stop belt is arranged in the deformation joint; the rubber water stop slipping caused by the displacement and deformation of the basement structure or the aging of the rubber water stop and the leakage of the deformation joint are common in the engineering of the completely-buried basement.
Disclosure of Invention
The embodiment of the invention provides a waterproof structure for a deformation joint of an underground building, which is used for solving the defects that the existing water stop belt is easy to age and fall off and the sealing effect is poor.
In order to solve the problems of the background art, an embodiment of the present invention provides a waterproof structure for deformation joints of an underground building, in which a gap exists between adjacent structural plates, including: a first caulk plate disposed in a gap between two adjacent structural panels; the first water stop is arranged in the middle of the structural slab in the vertical direction, the first joint filling slab is disconnected corresponding to the first water stop, the arrangement direction of the first water stop is the same as the joint direction of the structural slab, and the first water stop is perpendicular to the opposite side faces of the two structural slabs; two structural slab medial surface seam crossing sets up waterproof knapsack, waterproof knapsack corresponds two structural slab seam crossing disconnection sets up, sealed second joint strip that sets up in the gap of waterproof knapsack disconnection.
Preferably, right-angle notches are formed in adjacent corners of the outer side surfaces of the two structural plates, angle steel is embedded in the right-angle notches, bolts are embedded in the structural plates and penetrate through the angle steel, pressing plates are arranged at the head ends of the bolts, reinforcing hooks are welded at the tail ends of the bolts, a second water stop is covered on the butt joint surfaces of the two angle steels, and the second water stop is arranged between the angle steel and the pressing plates; still set up first sealing strip between angle steel and the preforming, first sealing strip and second waterstop are located the bolt both sides.
Preferably, the outermost edges of the two angle steels are sealed through sealing plates, the first joint sealing plate and the gap between the two angle steels are sealed through a second sealing strip, and the second sealing strip is bonded at the lower end of the first joint sealing plate.
Preferably, the waterproof backpack is a block structure protruding out of the structural plate, and a plurality of reinforcing ribs which are staggered transversely and longitudinally are arranged in the waterproof backpack.
Preferably, a third water stop is arranged in the middle of the waterproof backpack in the vertical direction, the direction of the third water stop is the same as the direction of the gap of the waterproof backpack, and the third water stop is perpendicular to the side surface of the gap of the waterproof backpack.
Preferably, first waterstop and third waterstop all include area body, protection strip and a flexible section of thick bamboo, evenly set up a plurality of protection strips along its length direction on the area body positive and negative, set up a flexible section of thick bamboo in the middle of the area body, a flexible section of thick bamboo sets up along area body length direction.
Preferably, the first waterproof layer, the second waterproof layer and the protective layer are sequentially paved on the outer side of the waterproof backpack from inside to outside.
Preferably, the structural slab is a basement bottom slab or a basement outer wall;
when the structural slab is a basement bottom plate, the waterproof backpack is positioned at the lower side of the structural slab;
when the structural slab is a basement outer wall, the waterproof backpack is positioned on the outer side of the structural slab.
A construction method of a waterproof structure of a deformation joint of an underground building comprises the following steps:
firstly, a first structural plate is poured, the half edge of a first water stop is inserted into the first structural plate for pouring, and the first water stop is parallel to the end face of the structural plate;
placing a first joint strip on the side surface of the first structural plate, wherein the first joint strip is disconnected at the first water stop;
pouring a second structural plate, so that the two structural plates clamp the first joint filling plate, and the first water stop belt is fixed in the two structural plates;
when two structural slabs are poured, angle steel and bolts are embedded at adjacent corners of the outer side surfaces of the structural slabs, and reinforcing hooks are welded at the tail ends of the bolts;
after the two structural plates are poured, laying a second water stop and a first sealing strip between the bolt and the pressing sheet, and pressing the pressing sheet on the angle steel through the bolt;
sealing the outermost edges of the two angle steels through a sealing plate;
a second joint filling plate is extruded on the inner side surfaces of the two structural plates, and a third water stop is fixed in the middle of the second joint filling plate in the process of extruding the second joint filling plate, so that the direction of the third water stop is the same as the direction of a gap of the waterproof backpack, and the third water stop is parallel to the end surface of the structural plate;
in the process of pouring the structural slab, a plurality of reinforcing ribs which are staggered transversely and longitudinally are embedded in the top surface of the structural slab;
pouring the waterproof backpack, and fixing the reinforcing ribs, the second joint filling plate and the third water stop belt by the waterproof backpack;
and finally, sequentially paving a first waterproof layer, a second waterproof layer and a protective layer on the outer side surface of the waterproof backpack from inside to outside.
The invention has the beneficial effects that:
according to the deformation joint waterproof structure for the underground building, provided by the embodiment of the invention, the first joint filler plate is arranged between the two structural plates, a certain waterproof sealing effect is achieved on the joint between the structural plates, and then the first water stop is arranged at the middle position of the structural plates in the vertical direction.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic view of a first waterstop and a third waterstop structure in an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 and 2, the embodiment of the present invention provides a waterproof structure for a deformation joint of an underground building, wherein a gap exists between adjacent structural plates 1, and the waterproof structure comprises: a first joint filler plate 2 arranged in a gap between two adjacent structural plates 1, wherein in the embodiment, the first joint filler plate 2 is a polyethylene foam plate; the first water stop 3 is arranged at the middle position of the vertical direction of the structural plate 1, the first joint strip 2 corresponds to the position of the first water stop 3 to be disconnected, the direction of the first water stop 3 is the same as the direction of the gap of the structural plate 1, and the first water stop 3 is perpendicular to the two opposite side surfaces of the structural plate 1.
The adjacent corners of the outer side surfaces of the two structural plates 1 are provided with right-angle notches 4, angle steel 5 is embedded in the right-angle notches 4, bolts 6 are embedded in the structural plates 1, the bolts 6 penetrate through the angle steel 5, the head ends of the bolts 6 are provided with press sheets 7, the tail ends of the bolts 6 are welded with reinforcing hooks 8, the butt joint surfaces of the two angle steels 5 are covered with second water stops 9, and the second water stops 9 are arranged between the angle steels 5 and the press sheets 7; a first sealing strip 10 is further arranged between the angle steel 5 and the pressing sheet 7, and the first sealing strip 10 and a second water stop 9 are positioned on two sides of the bolt 6; two the outermost of angle steel 5 seals through sealing board 11, and sealing board 11 is profiled steel sheet in this embodiment, first joint strip 2 and two the gap between angle steel 5 is sealed through second sealing strip 12, second sealing strip 12 bonds in the lower extreme of first joint strip 2.
In the embodiment, the first joint filling plate 2 is arranged between the two structural plates 1, a certain waterproof sealing effect is achieved on the gap between the structural plates 1, and then the first water stop 3 is arranged in the middle of the structural plates 1 in the vertical direction, and as the first water stop 3 is parallel to the end faces of the structural plates 1, when the basement structural plates 1 are displaced and deformed up and down, the first water stop 3 transversely intercepts water leaking from the gap between the two structural plates 1, so that water seepage and downward flow are prevented, the gap sealing effect between the two structural plates 1 is better, the displacement and deformation of the structural plates 1 can be effectively responded, and the water stops are prevented from falling off; the first sealing strip 10 and the second water stop belt 9 are tightly pressed through the pressing sheet 7 and the angle steel 5, the outer side surface of the structural plate 1 is sealed, and the reinforcing hook 8 improves the stability of the bolt 6; the sealing plate 11 is arranged on the outer side of the angle steel 5, and the right-angle notch 4 is sealed, so that the sealing plate 11 is flush with the structural plate 1, and the flatness of the structural plate 1 is maintained; the second water stop 9 and the second sealing strip 12 are respectively positioned at the upper side and the lower side of the angle steel 5 to seal a gap between the two angle steels 5.
As shown in fig. 1 and 2, a waterproof backpack 13 is arranged at a joint of inner side surfaces of two structural plates 1, the waterproof backpack 13 is arranged corresponding to a break at the joint of the two structural plates 1, a second joint-filling plate 14 is arranged in a gap formed by the break of the waterproof backpack 13 in a sealing manner, in this embodiment, the second joint-filling plate 14 is an extruded polystyrene board; the waterproof backpack 13 is a block-shaped structure protruding out of the structural plate 1, and a plurality of reinforcing ribs 15 which are staggered transversely and longitudinally are arranged in the waterproof backpack 13; a third water stop belt 16 is arranged in the middle of the waterproof backpack 13 in the vertical direction, the direction of the third water stop belt 16 is the same as the direction of the gap of the waterproof backpack 13, and the third water stop belt 16 is perpendicular to the side surface of the gap of the waterproof backpack 13.
As shown in fig. 3, each of the first water stop 3 and the third water stop 16 includes a belt body 21, a plurality of protection strips 22 and a deformable tube 23, the protection strips 22 are uniformly arranged on the front and back sides of the belt body 21 along the length direction thereof, the deformable tube 23 is arranged in the middle of the belt body 21, and the deformable tube 23 is arranged along the length direction of the belt body 21; the first water stop band 3, the second water stop band 9 and the third water stop band 16 are all made of rubber.
The first waterproof layer 17, the second waterproof layer 18 and the protective layer 19 are sequentially paved on the outer side of the waterproof backpack 13 from inside to outside.
The structural slab 1 is a basement bottom plate or a basement outer wall;
when the structural slab 1 is a basement bottom slab, the waterproof backpack 13 is positioned at the lower side of the structural slab 1, and the first waterproof layer 17, the second waterproof layer 18 and the protective layer 19 are a waterproof coiled material reinforcing layer, a bottom slab waterproof layer and a cushion layer in sequence;
when structural slab 1 is the basement outer wall, waterproof backpack 13 is located the 1 outside of structural slab, and first waterproof layer 17, second waterproof layer 18 and protective layer 19 are outer wall waterproof layer, waterproofing membrane enhancement layer and XPS waterproof layer in proper order.
In the above embodiment, after the structural slab 1 is poured, after the structural slab 1 is settled and displaced, the waterproof backpack 13 is poured, the waterproof backpack 13 is set to prevent settlement and displacement of the structural slab 1 in the later period, when the displacement of the structural slab 1 is changed, the second joint-filling plate 14 seals the gap between the waterproof backpack 13, the third water stop 16 is parallel to the end surface of the structural slab 1, the third water stop 16 intercepts water leaked from the gap of the waterproof backpack 13 transversely, so as to prevent water from leaking and flowing downwards, and the sealing effect of the gap between the two structural slabs 1 is better; the waterproof backpack 13 adds a middle-mounted third water stop 16 to a gap between two structural plates 1 for waterproofing, so that the defect that an externally-attached water stop falls off due to displacement deformation of the structural plates can be effectively avoided, and the whole underground chamber is arranged outside the waterproof backpack for waterproofing; the arrangement of the protective strips 22 on the first water stop 3 and the third water stop 16 improves the stability between the first water stop 3 and the third water stop 16 and the corresponding structural plate 1 and the waterproof backpack 13, and even if water seepage exists in gaps between the first water stop 3 and the third water stop 16 and the corresponding structural plate 1 and the waterproof backpack 13, the protective strips 22 can play a certain water retaining role, when the structural plate 1 displaces, the arrangement of the deformable cylinder 23 increases the deformation of the first water stop 3 and the third water stop 16, so that the first water stop 3 and the third water stop 16 are prevented from being broken, and the waterproof effect of the first water stop 3 and the third water stop 16 is improved; first waterproof layer 17, second waterproof layer 18 and protective layer 19 further improve waterproof effect of waterproof knapsack 13, play the guard action to second crack filling board 14 in waterproof knapsack 13, waterproof knapsack 13 is higher than structural slab 1, prevents that the infiltration from getting into in the gap of waterproof knapsack 13.
A construction method of a waterproof structure of a deformation joint of an underground building comprises the following steps:
firstly, a first structural plate 1 is poured, the half edge of a first water stop 3 is inserted into the first structural plate 1 for pouring, and the first water stop 3 is parallel to the end face of the structural plate 1;
placing a first joint strip 2 on the side surface of a first structural plate 1, wherein the first joint strip 2 is disconnected at a first water stop 3;
pouring a second structural plate 1, so that the two structural plates 1 clamp the first joint filling plate 2, and the first water stop 3 is fixed in the two structural plates 1;
when two structural plates 1 are poured, angle steel 5 and bolts 6 are embedded at adjacent corners of the outer side surfaces of the structural plates 1, and reinforcing hooks 8 are welded at the tail ends of the bolts 6;
after the two structural plates are poured, a second water stop belt 9 and a first sealing strip 10 are laid between the bolt 6 and the pressing sheet 7, and then the pressing sheet 7 is pressed on the angle steel 5 through the bolt 6;
sealing the outermost edges of the two angle steels 5 through a sealing plate 11;
a second joint strip 14 is extruded on the inner side surfaces of the two structural plates 1, and in the process of extruding the second joint strip 14, a third water stop 16 is fixed at the middle position of the second joint strip 14, so that the direction of the third water stop 16 is the same as the direction of the joint of the waterproof backpack 13, and the third water stop 16 is parallel to the end surfaces of the structural plates 1;
in the process of pouring the structural slab 1, a plurality of reinforcing ribs 15 which are staggered transversely and longitudinally are embedded in the top surface of the structural slab 1;
pouring the waterproof backpack 13 to enable the waterproof backpack 13 to fix the reinforcing ribs 15, the second joint filling plate 14 and the third water stop belt 16;
finally, a first waterproof layer 17, a second waterproof layer 18 and a protective layer 19 are sequentially paved on the outer side surface of the waterproof backpack 13 from inside to outside.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A waterproof structure for deformation joints of underground buildings, a gap exists between adjacent structural plates, and the waterproof structure is characterized by comprising:
a first caulk plate disposed in a gap between two adjacent structural panels;
the first water stop is arranged in the middle of the structural slab in the vertical direction, the first joint filling slab is disconnected corresponding to the first water stop, the arrangement direction of the first water stop is the same as the joint direction of the structural slab, and the first water stop is perpendicular to the opposite side faces of the two structural slabs;
two structural slab medial surface seam crossing sets up waterproof knapsack, waterproof knapsack corresponds two structural slab seam crossing disconnection sets up, sealed second joint strip that sets up in the gap of waterproof knapsack disconnection.
2. The underground building deformation joint waterproof structure according to claim 1, wherein adjacent corners of the outer sides of the two structural plates are provided with right-angle notches, angle steel is embedded in each right-angle notch, bolts are embedded in the structural plates and penetrate through the angle steel, the head ends of the bolts are provided with pressing plates, the tail ends of the bolts are welded with reinforcing hooks, the butt joint surfaces of the two angle steels are covered with second water stops, and the second water stops are arranged between the angle steels and the pressing plates; still set up first sealing strip between angle steel and the preforming, first sealing strip and second waterstop are located the bolt both sides.
3. A waterproof structure for a deformation joint of an underground building according to claim 2, wherein the outermost edges of the two angle steels are sealed by a sealing plate, the gap between the first caulking plate and the two angle steels is sealed by a second sealing strip, and the second sealing strip is bonded to the lower end of the first caulking plate.
4. The underground building deformation joint waterproof structure of claim 1, wherein the waterproof backpack is a block structure with protruding structural plates, and a plurality of reinforcing ribs which are staggered transversely and longitudinally are arranged in the waterproof backpack.
5. The underground building deformation joint waterproof structure according to claim 1, wherein a third water stop is arranged in the middle of the waterproof backpack in the vertical direction, the direction of the third water stop is the same as the direction of the waterproof backpack, and the third water stop is perpendicular to the side of the waterproof backpack gap.
6. The waterproof structure of an underground building deformation joint according to claim 5, wherein the first water stop and the third water stop each comprise a belt body, a protection strip and a deformable tube, the front and back surfaces of the belt body are uniformly provided with the protection strips along the length direction of the belt body, the deformable tube is arranged in the middle of the belt body, and the deformable tube is arranged along the length direction of the belt body.
7. The underground structure of claim 1, wherein the waterproof backpack is characterized in that a first waterproof layer, a second waterproof layer and a protective layer are sequentially paved on the outer side of the waterproof backpack from inside to outside.
8. The underground structure deformation joint waterproof structure of claim 1, wherein the structural slab is a basement bottom slab or a basement outer wall;
when the structural slab is a basement bottom plate, the waterproof backpack is positioned at the lower side of the structural slab;
when the structural slab is a basement outer wall, the waterproof backpack is positioned on the outer side of the structural slab.
9. A construction method of a waterproof structure of a deformation joint of an underground building is characterized by comprising the following steps:
firstly, a first structural plate is poured, the half edge of a first water stop is inserted into the first structural plate for pouring, and the first water stop is parallel to the end face of the structural plate;
placing a first joint strip on the side surface of the first structural plate, wherein the first joint strip is disconnected at the first water stop;
pouring a second structural plate, so that the two structural plates clamp the first joint filling plate, and the first water stop belt is fixed in the two structural plates;
when two structural slabs are poured, angle steel and bolts are embedded at adjacent corners of the outer side surfaces of the structural slabs, and reinforcing hooks are welded at the tail ends of the bolts;
after the two structural plates are poured, laying a second water stop and a first sealing strip between the bolt and the pressing sheet, and pressing the pressing sheet on the angle steel through the bolt;
sealing the outermost edges of the two angle steels through a sealing plate;
a second joint filling plate is extruded on the inner side surfaces of the two structural plates, and a third water stop is fixed in the middle of the second joint filling plate in the process of extruding the second joint filling plate, so that the direction of the third water stop is the same as the direction of a gap of the waterproof backpack, and the third water stop is parallel to the end surface of the structural plate;
in the process of pouring the structural slab, a plurality of reinforcing ribs which are staggered transversely and longitudinally are embedded in the top surface of the structural slab;
pouring the waterproof backpack, and fixing the reinforcing ribs, the second joint filling plate and the third water stop belt by the waterproof backpack;
and finally, sequentially paving a first waterproof layer, a second waterproof layer and a protective layer on the outer side surface of the waterproof backpack from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500418.4A CN111827363A (en) | 2020-06-04 | 2020-06-04 | Underground building deformation joint waterproof structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500418.4A CN111827363A (en) | 2020-06-04 | 2020-06-04 | Underground building deformation joint waterproof structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN111827363A true CN111827363A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010500418.4A Pending CN111827363A (en) | 2020-06-04 | 2020-06-04 | Underground building deformation joint waterproof structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982694A (en) * | 2021-02-24 | 2021-06-18 | 无锡市东方雨虹防水工程有限公司 | Waterproof structure and construction method for basement extension building junction structure |
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| JP2007009433A (en) * | 2005-06-28 | 2007-01-18 | Seibu Polymer Corp | Flexible water cut-off joint and its construction method |
| CN201865127U (en) * | 2010-10-18 | 2011-06-15 | 中冶成工上海五冶建设有限公司 | Reinforced waterproof late poured band of basement bottom plate |
| CN204282410U (en) * | 2014-12-09 | 2015-04-22 | 杭州通达集团有限公司 | A kind of dilatation joint waterproof structure of basement bottom board |
| CN208949932U (en) * | 2018-10-25 | 2019-06-07 | 郭秋华 | A kind of waterproof construction of station entrance-exit channel deformation seam detachable water-tight device |
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2020
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007009433A (en) * | 2005-06-28 | 2007-01-18 | Seibu Polymer Corp | Flexible water cut-off joint and its construction method |
| CN201865127U (en) * | 2010-10-18 | 2011-06-15 | 中冶成工上海五冶建设有限公司 | Reinforced waterproof late poured band of basement bottom plate |
| CN204282410U (en) * | 2014-12-09 | 2015-04-22 | 杭州通达集团有限公司 | A kind of dilatation joint waterproof structure of basement bottom board |
| CN208949932U (en) * | 2018-10-25 | 2019-06-07 | 郭秋华 | A kind of waterproof construction of station entrance-exit channel deformation seam detachable water-tight device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112982694A (en) * | 2021-02-24 | 2021-06-18 | 无锡市东方雨虹防水工程有限公司 | Waterproof structure and construction method for basement extension building junction structure |
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