CN112695905A - Replaceable rail pressing type water stop structure and construction method thereof - Google Patents
Replaceable rail pressing type water stop structure and construction method thereof Download PDFInfo
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- CN112695905A CN112695905A CN202011554145.8A CN202011554145A CN112695905A CN 112695905 A CN112695905 A CN 112695905A CN 202011554145 A CN202011554145 A CN 202011554145A CN 112695905 A CN112695905 A CN 112695905A
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- water stop
- stainless steel
- rubber
- rubber water
- steel base
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
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- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a rail pressing type water stop structure with replaceable sand, and relates to the field of hydraulic engineering construction in civil engineering. The rubber water stop comprises a rubber water stop, a stainless steel base and a stainless steel pressing plate; the rubber water stop comprises a U-shaped groove and a dovetail-shaped clamping groove; the stainless steel base is provided with a dovetail guide rail; stainless steel bolts are arranged on the stainless steel pressing plate at intervals; the stainless steel bolt sequentially penetrates through the stainless steel pressing plate and the rubber water stop and is positioned in the middle of the stainless steel base. The invention can adapt to the expansion deformation of the joint of the hydraulic building and ensure the normal work of the hydraulic structure and the water stop. The invention also relates to a construction method of the rail pressing type water stopping structure with replaceable sand.
Description
Technical Field
The invention relates to the field of hydraulic engineering construction in civil engineering, in particular to a replaceable rail pressing type water stopping structure. The invention also relates to a construction method of the replaceable pressure rail type water stop structure.
Background
The water stop structure is the most important detail structure of a hydraulic building, the design and construction difficulty is large, the failure ratio is high, the construction effect of a project is determined, and the water stop structure type of the current hydraulic building mainly has a middle-buried type, a bonding type and a pressing plate type, but has the following problems:
1) the buried water stop structure directly pours the rubber water stop in concrete, and concrete below the water stop of the form is difficult to vibrate compactly, so that the joint of the water stop and lower concrete is prone to generating defects, the water stop effect is influenced, meanwhile, once the water stop is damaged, repair and replacement cannot be performed, and the buried water stop structure is only limited to cast-in-place process construction.
2) The adhesion type water stop structure directly utilizes epoxy mortar to adhere the water stop belt to structural concrete, and the water stop effect depends on the adhesion effect and the quality of a concrete base surface. Because the expansion joint where the water stops is a movable joint. Under the action of temperature, the water stop can be stretched or compressed in a reciprocating way, the effect is not easy to guarantee, and the problems that the treatment requirement of the concrete base surface is high and the design requirement is difficult to meet exist.
3) The pressing plate type water stop structure adopts the embedded bolts and the steel pressing plate to fix the water stop belt, the water stop effect is limited by the flatness and the fastening force of a concrete base surface, the precision of the embedded bolts is not easy to control, and the water stop effect is not ideal generally.
Therefore, it is necessary to develop a replaceable rail-pressing type water stopping structure.
Disclosure of Invention
The first purpose of the present invention is to overcome the above-mentioned shortcomings of the background art, and to provide a replaceable rail-pressing type water stop structure.
The second purpose of the invention is to provide a construction method of the replaceable pressure rail type water stop structure.
In order to achieve the first object, the technical scheme of the invention is as follows: removable rail pressing formula stagnant water structure, its characterized in that: the rubber water stop device comprises a rubber water stop belt positioned at the bottom of a water stop tank, a stainless steel base which is embedded in the water stop tank and positioned below two ends of the rubber water stop belt, and a stainless steel pressing plate which is positioned in the water stop tank and positioned above two ends of the rubber water stop belt;
the rubber water stop comprises a U-shaped groove which is positioned in the middle of the rubber water stop and corresponds to the expansion joint, and dovetail-shaped clamping grooves which are positioned at the bottoms of two ends of the rubber water stop;
the stainless steel base is provided with a dovetail guide rail matched with the dovetail clamping groove;
stainless steel bolts are arranged on the stainless steel pressing plate at intervals; the stainless steel bolt sequentially penetrates through the stainless steel pressing plate and the rubber water stop and is positioned in the middle of the stainless steel base;
a water-swelling water stop strip is arranged at the bottom in the stainless steel pressing plate; the water-swelling water stop strip is sleeved on the stainless steel bolt;
the U-shaped groove has the ability of adapting to stretching deformation, and asphalt hemp threads and polysulfide sealant are filled in the U-shaped groove from bottom to top.
In the technical scheme, the rubber waterstop and the stainless steel pressing plate are poured with acrylic mortar; the polysulfide sealant is positioned in the middle of the acrylic latex mortar.
In the technical scheme, the contact surface of the rubber water stop and the stainless steel base and the bottom of the water stop groove are coated with epoxy glue.
In order to achieve the second object, the invention has the technical scheme that: the construction method of the replaceable rail pressing type water stopping structure is characterized by comprising the following steps:
step 1: according to the hole position on the stainless steel base, a hole with the same diameter as the stainless steel bolt is formed in the rubber water stop belt;
step 2: wiping the stainless steel base, the bottom of the water stopping tank and the rubber water stopping belt by using acetone to ensure that the top plane of the stainless steel base, the dovetail-shaped guide rail, the concrete surface at the bottom of the water stopping tank and the adhesive surface of the rubber water stopping belt and the stainless steel base are clean;
and step 3: coating epoxy glue on the contact surface of the rubber water stop and the stainless steel base and the bottom of the water stop groove;
and 4, step 4: the rubber waterstop is adhered to the bottom of the waterstop groove, and the dovetail guide rail on the stainless steel base is embedded into the dovetail clamping groove of the rubber waterstop.
And 5: after the epoxy glue is cured, embedding the water-swelling water stop strip into a stainless steel pressing plate, adjusting a stainless steel bolt, installing the stainless steel pressing plate by using the stainless steel bolt, and compacting the rubber water stop strip on the dovetail-shaped guide rail on the stainless steel base;
step 6: sealing the installed rubber waterstop and the stainless steel pressing plate in the waterstop groove by using acrylic emulsion mortar;
and 7: and filling asphalt hemp threads in the U-shaped groove, and filling polysulfide sealant above the asphalt hemp threads and in the middle of the polypropylene-emulsion mortar to finish the construction of the whole water stop structure.
In the above technical scheme, in the step 3, in the process of painting the epoxy glue, the bolt hole on the stainless steel base is plugged by using the cork.
Compared with the prior art, the invention has the following advantages:
1) the invention has good water stopping effect of the expansion joint of the building, can reduce the adverse effect of water leakage on the operation of the project, and can maintain and replace the expansion joint in the later period.
2) The invention can adapt to the expansion deformation of the joint of the hydraulic building and ensure the normal work of the hydraulic structure and the water stop.
3) The invention changes the characteristic of high construction technical requirement of the traditional water stop structure, and the construction quality is controllable.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structural assembly of the rubber waterstop, the stainless steel base and the stainless steel pressure plate.
Fig. 3 is a schematic structural view of the rubber waterstop.
Fig. 4 is a schematic structural view of a stainless steel base.
Fig. 5 is a schematic structural view of a stainless steel platen.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be apparent and readily appreciated by the description.
With reference to the accompanying drawings: removable rail pressing formula stagnant water structure, its characterized in that: the rubber water stop device comprises a rubber water stop belt 1 positioned at the bottom of a water stop tank, a stainless steel base 2 which is embedded in the water stop tank and positioned below two ends of the rubber water stop belt 1, and a stainless steel pressing plate 3 which is positioned in the water stop tank and positioned above two ends of the rubber water stop belt 1; the stainless steel base 2 is strip-shaped, and the stainless steel pressing plate 3 is strip-shaped;
the rubber water stop 1 comprises a U-shaped groove 11 which is positioned in the middle of the rubber water stop 1 and corresponds to the expansion joint, and dovetail-shaped clamping grooves 12 which are positioned at the bottoms of the two ends of the rubber water stop 1;
the stainless steel base 2 is provided with a dovetail guide rail 21 matched with the dovetail clamping groove 12;
A water-swelling water stop strip 32 is arranged at the bottom in the stainless steel pressing plate 3; the water-swelling water stop strip 32 is sleeved on the stainless steel bolt 31. When a water leakage channel exists due to untight pressing between the stainless steel bolt 31 and the stainless steel pressing plate 3, the water-swelling water stop strip 32 can cut off the water leakage channel to assist water stopping.
The U-shaped groove 11 has the ability of adapting to the expansion deformation, and the asphalt hemp threads 41 and the polysulfide sealant 42 are filled in the U-shaped groove 11 from bottom to top, so that the U-shaped groove can adapt to the deformation of an expansion joint, and plays roles in water stopping, corrosion prevention and caulking.
The rubber water stop 1 and the stainless steel pressing plate 3 are poured with acrylic mortar 5; the polysulfide sealant 42 is located in the middle of the acrylic mortar 5. The third-latex mortar 5 can play a role in protecting the rubber water stop 1 and reducing head loss along with water flow, and can also block a possible water leakage channel in case of untight pressing between the stainless steel bolt 31 and the stainless steel pressing plate 3.
Epoxy glue is coated on the contact surface of the rubber water stop belt 1 and the stainless steel base 2 and the bottom of the water stop groove, and water is stopped in a 'sticky' mode.
According to the invention, when the building reinforcing steel bars are manufactured and installed, the stainless steel base 2 is positioned through the structural reinforcing steel bars and poured in the structural concrete to be formed at the bottom of the expansion joint water stopping groove, and measures are taken to ensure that the position of the stainless steel base 2 is correct in the process of pouring the concrete; when the structural concrete reaches the design strength and the water stopping groove is flushed, the water stopping structure can be installed
The construction method of the replaceable rail pressing type water stopping structure is characterized by comprising the following steps:
step 1: according to the hole position on the stainless steel base 2, a hole with the same diameter as the stainless steel bolt 31 is formed in the rubber water stop 1;
step 2: wiping the stainless steel base 2, the bottom of the water stopping tank and the rubber water stopping belt 1 by using acetone to ensure that the top plane of the stainless steel base 2, the dovetail-shaped guide rail 21, the concrete surface at the bottom of the water stopping tank and the adhesive surface of the rubber water stopping belt 1 and the stainless steel base 2 are clean;
and step 3: coating epoxy glue on the contact surface of the rubber water stop 1 and the stainless steel base 2 and the bottom of the water stop groove;
and 4, step 4: the rubber water stop 1 is adhered to the bottom of the water stop tank, and the dovetail guide rail 21 on the stainless steel base 2 is embedded into the dovetail clamping groove 12 of the rubber water stop 1.
And 5: after the epoxy glue is cured, embedding the water-swelling water stop strip 32 into the stainless steel pressing plate 3, adjusting the stainless steel bolt 31, installing the stainless steel pressing plate 3 by using the stainless steel bolt 31, and compacting the rubber water stop strip 1 on the dovetail-shaped guide rail 21 on the stainless steel base 2;
step 6: sealing the installed rubber water stop belt 1 and the stainless steel pressing plate 3 in the water stop tank by using acrylic mortar 5;
and 7: and (3) filling asphalt hemp threads 41 in the U-shaped groove 11, and filling polysulfide sealant 4 above the asphalt hemp threads 41 and in the middle of the acrylic mortar 5 to finish the construction of the whole water stop structure.
And 3, in the process of coating the epoxy glue, plugging the bolt hole on the stainless steel base 2 by using a cork.
In practical use, the stainless steel base 2 with the dovetail guide rail 21 is adopted to weaken the high requirement of the traditional adhesion type or pressing plate type water stopping on the flatness of the concrete base surface; the dovetail guide rail 21 can prolong the seepage diameter and prevent the influence of local defects of a base surface or the rubber waterstop 1 on the water stopping effect of the water stopping structure; the pre-buried bolt hole of the water stopping structure is positioned on the stainless steel base 2, and the rubber water stopping belt 1 is perforated according to the hole position during site construction, so that the problem that the pre-buried precision of the bolt of the traditional water stopping structure is difficult to control is solved, the precision is high, and the fastening force is guaranteed; in addition, the invention is suitable for cast-in-place or prefabricated structures and can be maintained and replaced at the later stage.
The invention changes the water stopping principle of the traditional water stopping structure, the stainless steel base 2 is provided with the dovetail guide rail 21, and the rubber water stopping belt 1 is provided with the corresponding dovetail clamping groove 12; the invention firstly fixes the rubber waterstop 1 on the stainless steel base 2 in a 'sticky' mode to form water stop; the rubber water stop 1 is pressed on the stainless steel base 2 through the stainless steel bolt 31 and the stainless steel pressing plate 3, and the water stopping effect is further enhanced; finally, the water-swelling water stop strips 32 are arranged on the peripheral sides of the stainless steel bolts 31, so that the influence of bolt holes on the water stop effect is effectively prevented; the multiple barriers form a tighter water-stopping system, and each technical index meets the requirements of national standard GB18173.2-2014 and industry standard DL/T5215-. Through trial, the water-stopping effect and the reliability of the water-stopping device are good, and the water-stopping device is planned to be popularized and applied in national key projects.
Other parts not described belong to the prior art.
Claims (5)
1. Removable rail pressing formula stagnant water structure, its characterized in that: the rubber water stop device comprises a rubber water stop belt (1) positioned at the bottom of a water stop tank, a stainless steel base (2) which is pre-embedded in the water stop tank and positioned below two ends of the rubber water stop belt (1), and a stainless steel pressing plate (3) which is positioned in the water stop tank and positioned above two ends of the rubber water stop belt (1);
the rubber water stop (1) comprises a U-shaped groove (11) which is positioned in the middle of the rubber water stop (1) and corresponds to the expansion joint, and dovetail-shaped clamping grooves (12) which are positioned at the bottoms of the two ends of the rubber water stop (1);
the stainless steel base (2) is provided with a dovetail guide rail (21) matched with the dovetail clamping groove (12);
stainless steel bolts (31) are arranged on the stainless steel pressure plate (3) at intervals; the stainless steel bolt (31) sequentially penetrates through the stainless steel pressing plate (3) and the rubber water stop (1) and is positioned in the middle of the stainless steel base (2);
a water-swelling water stop strip (32) is arranged at the bottom in the stainless steel pressing plate (3); the water-swelling water stop strip (32) is sleeved on the stainless steel bolt (31);
the U-shaped groove (11) has the ability of adapting to stretching deformation, and asphalt hemp threads (41) and polysulfide sealant (42) are filled in the U-shaped groove (11) from bottom to top.
2. The replaceable rail-pressing type water stop structure according to claim 1, wherein: the rubber water stop (1) and the stainless steel pressing plate (3) are poured with acrylic mortar (5); the polysulfide sealant (42) is positioned in the middle of the third-generation mortar (5).
3. The replaceable rail-pressing type water stop structure according to claim 2, wherein: epoxy glue is coated on the contact surface of the rubber water stop (1) and the stainless steel base (2) and the bottom of the water stop groove.
4. The construction method of the replaceable pressure rail type water stop structure according to any one of claims 1 to 3, comprising the steps of:
step 1: according to the hole position on the stainless steel base (2), a hole with the same diameter as the stainless steel bolt (31) is formed in the rubber water stop (1);
step 2: wiping the stainless steel base (2), the bottom of the water stopping tank and the rubber water stopping belt (1) by using acetone to ensure that the top plane of the stainless steel base (2), the dovetail-shaped guide rail (21), the concrete surface at the bottom of the water stopping tank and the adhesive surfaces of the rubber water stopping belt (1) and the stainless steel base (2) are clean;
and step 3: coating epoxy glue on the contact surface of the rubber water stop (1) and the stainless steel base (2) and the bottom of the water stop groove;
and 4, step 4: the rubber water stop (1) is adhered to the bottom of the water stop tank, and the dovetail guide rail (21) on the stainless steel base (2) is embedded into the dovetail clamping groove (12) of the rubber water stop (1).
And 5: after the epoxy glue is cured, embedding the water-swelling water stop strip (32) into the stainless steel pressing plate (3), adjusting the stainless steel bolt (31), installing the stainless steel pressing plate (3) by using the stainless steel bolt (31), and compacting the rubber water stop strip (1) on the dovetail-shaped guide rail (21) on the stainless steel base (2);
step 6: sealing the installed rubber water stop belt (1) and the stainless steel pressing plate (3) in the water stop tank by using acrylic mortar (5);
and 7: asphalt hemp threads (41) are filled in the U-shaped groove (11), and polysulfide sealant (4) is filled above the asphalt hemp threads (41) and in the middle of the acrylic mortar (5), so that the construction of the whole water stop structure is completed.
5. The construction method of the replaceable rail-pressing type water stop structure according to claim 4, wherein in the step 3, the bolt holes on the stainless steel base (2) are plugged with cork during the epoxy glue painting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011554145.8A CN112695905B (en) | 2020-12-24 | 2020-12-24 | Replaceable rail pressing type water stop structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011554145.8A CN112695905B (en) | 2020-12-24 | 2020-12-24 | Replaceable rail pressing type water stop structure and construction method thereof |
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| CN112695905A true CN112695905A (en) | 2021-04-23 |
| CN112695905B CN112695905B (en) | 2022-12-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088548A (en) * | 1996-09-12 | 1998-04-07 | Yokohama Rubber Co Ltd:The | Structure of joint plate of concrete structure |
| CN203462441U (en) * | 2013-07-22 | 2014-03-05 | 衡水新胜密封材料有限公司 | Novel rubber dam body |
| CN204551382U (en) * | 2015-04-16 | 2015-08-12 | 长江勘测规划设计研究有限责任公司 | Sticky pressure type aqueduct water-stopping structure |
| CN206581133U (en) * | 2017-01-16 | 2017-10-24 | 李玲 | The special interior extended surface waterstop of Expansion Units for Highway Bridges |
| CN207047794U (en) * | 2017-07-14 | 2018-02-27 | 北京金河水务建设集团有限公司 | Aqueduct water sealing structure |
| CN210658469U (en) * | 2019-05-20 | 2020-06-02 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Deformation joint waterstop perforation type casting die structure |
-
2020
- 2020-12-24 CN CN202011554145.8A patent/CN112695905B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088548A (en) * | 1996-09-12 | 1998-04-07 | Yokohama Rubber Co Ltd:The | Structure of joint plate of concrete structure |
| CN203462441U (en) * | 2013-07-22 | 2014-03-05 | 衡水新胜密封材料有限公司 | Novel rubber dam body |
| CN204551382U (en) * | 2015-04-16 | 2015-08-12 | 长江勘测规划设计研究有限责任公司 | Sticky pressure type aqueduct water-stopping structure |
| CN206581133U (en) * | 2017-01-16 | 2017-10-24 | 李玲 | The special interior extended surface waterstop of Expansion Units for Highway Bridges |
| CN207047794U (en) * | 2017-07-14 | 2018-02-27 | 北京金河水务建设集团有限公司 | Aqueduct water sealing structure |
| CN210658469U (en) * | 2019-05-20 | 2020-06-02 | 广东水利电力职业技术学院（广东省水利电力技工学校） | Deformation joint waterstop perforation type casting die structure |
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| CN112695905B (en) | 2022-12-09 |
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