CN113684850A - Novel connection structure of foundation ditch cut-off wall - Google Patents
Novel connection structure of foundation ditch cut-off wall Download PDFInfo
- Publication number
- CN113684850A CN113684850A CN202111245411.3A CN202111245411A CN113684850A CN 113684850 A CN113684850 A CN 113684850A CN 202111245411 A CN202111245411 A CN 202111245411A CN 113684850 A CN113684850 A CN 113684850A
- Authority
- CN
- China
- Prior art keywords
- barrel
- water stop
- wall
- copper
- impervious wall
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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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
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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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
Abstract
The invention relates to the field of water conservancy projects, in particular to a novel connection structure of a foundation pit impervious wall, which comprises a copper water stop arranged at the connection part of a foundation impervious wall and an upper building, wherein water stop sheets at two sides of a water stop nose of the copper water stop respectively and correspondingly extend into the foundation impervious wall and the upper building, the water stop nose of the copper water stop is internally provided with a first barrel with an opening at one end, the first barrel is slidably buckled with a second barrel, an inner cavity formed by buckling the first barrel and the second barrel is filled with gas, a force storage and release mechanism is arranged between the second barrel and the copper water stop, the second barrel is provided with at least two striking blocks, and the copper water stop is provided with a bearing bulge matched with the striking blocks so that the second barrel can strike the copper water stop, so that the technical problem of adhesion of the water stop nose is solved.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a novel connecting structure of a foundation pit impervious wall.
Background
The impervious wall is a frequently-adopted foundation impervious form, and because the upper-layer building has the deformation of settlement, displacement and the like in construction and operation, the connection between the impervious wall and the upper-layer building is of great importance, once the connection part has crack deformation and water stop failure, a leakage channel is formed between the upper-layer building and the impervious wall, so that the foundation of the upper-layer building is subjected to seepage damage, and the safety of the upper-layer building is endangered.
The prior art discloses an invention patent named as a connecting structure of a barrage foundation impervious wall and a gate dam building, with an authorization notice number of CN103225283B and an authorization notice date of 2015.08.19, which comprises the foundation impervious wall and the gate dam building; a high foaming polyethylene plate and a precast concrete groove plate are sequentially arranged between the top surface of the foundation impervious wall and the gate dam building from bottom to top; gaps are arranged between the foundation diaphragm wall at the joint of the foundation diaphragm wall and the gate dam building and between the downstream surface and the downstream surface, U-shaped copper water stop is embedded in the middle of the gap at the upstream side, and water stop sheets at two sides of the U-shaped copper water stop nose respectively and correspondingly extend into the foundation diaphragm wall and the gate dam building; a chloroprene rubber rod is arranged in the water-stopping nose cavity, a polysulfide sealant is filled in a gap at the upper part of the water-stopping nose, and a high-pressure closed-cell polyvinyl chloride plate is filled in a gap at the lower part of the water-stopping nose; the high-pressure closed-cell polyvinyl chloride plate is filled in the gap on the downstream side, polysulfide sealant is filled at the top of the gap on the downstream side, the sealing nose of the sealing nose is adhered to the foundation impervious wall and the gate dam building due to long-term contact, and when the foundation impervious wall or the gate dam building subsides or inclines, only the part without adhesion of the sealing nose deforms, so that the sealing nose is easily torn to cause leakage.
Disclosure of Invention
The invention provides a novel connecting structure of a foundation pit impervious wall, which aims to solve the technical problem of adhesion of a water stop nose.
The connecting structure of the novel foundation pit impervious wall adopts the following technical scheme: the utility model provides a novel connection structure of foundation ditch cut-off wall, is including setting up in the copper stagnant water of basic cut-off wall and superstructure junction, the stagnant water piece of the stagnant water nose both sides of copper stagnant water corresponds respectively and extends to in basic cut-off wall and the superstructure, the stagnant water nose of copper stagnant water is equipped with one end open-ended first barrel in, the slip lock of first barrel is equipped with the second barrel, the inner chamber packing that first barrel, second barrel lock formed has gas, be equipped with between second barrel and the copper stagnant water and hold power release mechanism, the second barrel is equipped with two at least hits the piece, the copper stagnant water be equipped with hit the cooperation of piece so that the second barrel strikes the load of copper stagnant water protruding.
Further, the power storage release mechanism comprises a telescopic rod, one end of the telescopic rod is hinged to the copper water stop, the other end of the telescopic rod is hinged to the second barrel, and the telescopic rod is sleeved with an elastic piece.
Further, first barrel or second barrel are equipped with spacing annular, spacing annular inlays and is equipped with the swivel becket, the swivel becket is insulating material, the swivel becket is equipped with the gravity piece that can electrically conduct, gravity piece bilateral symmetry distributes has two conducting rods, make conducting rod and gravity piece contact in order to switch on warning circuit after the stagnant water nose atress warp.
Further, copper stagnant water is equipped with first articulated seat, the second barrel is equipped with the articulated seat of second, the one end of telescopic link is articulated through articulated axle with first articulated seat, the other end is articulated through articulated axle with the articulated seat of second.
Furthermore, the conducting rod is L-shaped, one end of the conducting rod is fixed on the first cylinder, and the other end of the conducting rod is located on the inner side of the rotating ring.
Furthermore, when the central axis of the telescopic rod is vertical to the central axis of the second cylinder, the distance from the telescopic rod to the adjacent bearing bulge is equal.
Furthermore, the telescopic link includes the body of rod, cover and locates the urceolus of body of rod outer wall.
Furthermore, the gravity block is spherical and is embedded inside the rotating ring.
Furthermore, the elastic part is a spiral compression spring, and the conducting rod is made of an aluminum alloy material.
The construction process of the novel foundation pit cut-off wall is characterized by comprising the following steps of:
s1, fixedly pre-arranging the copper water stop in a pouring mould, and then pouring the foundation impervious wall;
and S2, after the water stop sheet on one side of the copper water stop is fixed with the foundation impervious wall, pouring the water stop sheet on the other side of the copper water stop into the superstructure.
The invention has the beneficial effects that: according to the novel connecting structure of the foundation pit cut-off wall, when gas filled in the inner cavity expands, the second cylinder moves towards the direction far away from the first cylinder, the elastic part is compressed at the moment, after the expansion rod crosses the position vertical to the central axis of the second cylinder, the second cylinder is accelerated to be far away from the first cylinder under the dual actions of the thrust of the gas expansion and the elastic force of the elastic part, and finally the striking block impacts the bearing bulge to enable the water stop nose to vibrate, so that the water stop nose is prevented from being adhered to the foundation cut-off wall and an upper building, and the whole water stop nose is deformed under stress, so that the tensile capacity of the water stop nose is improved; when the gaseous shrink of inner chamber packing, the second barrel moves towards the direction that is close to first barrel, and the elastic component is compressed this moment, after the telescopic link crossed the central axis vertically position with the second barrel, the second barrel received the pulling force of gaseous shrink and the dual function of the elasticity of elastic component and is close to first barrel with higher speed and finally makes hitting the piece and strike the bearing arch so that the stagnant water nose shakes, prevents that stagnant water nose from gluing with basic impervious wall, superstructure, thereby makes the whole atress of stagnant water nose warp thereby improves stagnant water nose's tensile strength.
Further, when the stagnant water nose warp, the conducting rod takes place the displacement thereupon, when the stagnant water nose closes on tearing the limit, thereby conducting rod and gravity piece contact trigger alarm circuit, make the staff can handle this department leakage point in time.
Furthermore, because friction exists between the rotating ring and the limiting ring groove, the gravity block cannot be located at the lowest position of the limiting ring groove under the influence of the friction force, so that the distance between the gravity block and two adjacent conducting rods is unequal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a prior art connection structure;
FIG. 2 is a schematic structural diagram of the copper water stop of the present invention;
FIG. 3 is a front view of the copper water stop of the present invention;
FIG. 4 is a structural cross-sectional view of the copper water stop of the present invention;
FIG. 5 is an enlarged view taken at I in FIG. 4;
FIG. 6 is an enlarged view taken at II in FIG. 4;
FIG. 7 is a structural cross-sectional view of another angle of the copper seal of the present invention;
in the figure: 1. copper stagnant water, 2, basic impervious wall, 3, superstructure, 4, stagnant water nose, 5, first barrel, 6, second barrel, 7, hold power release mechanism, 8, hit and beat the piece, 9, the load is protruding, 10, the telescopic link, 11, elastic component, 12, spacing annular, 13, rotating ring, 14, gravity piece, 15, conducting rod, 16, first articulated seat, 17, the articulated seat of second, 18, the body of rod, 19, urceolus.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
An embodiment 1 of a connection structure of a novel foundation pit impervious wall comprises a copper water stop 1 arranged at the connection part of a foundation impervious wall and an superstructure, as shown in figures 1-7, and the application mainly aims at the connection structure of the foundation impervious wall of a barrage and a gate dam building, which is named as 'a connection structure of the foundation impervious wall of the barrage and the gate dam building' in the prior art, and has an authorization notice number of CN103225283B, the invention discloses an improvement of copper water stop disclosed in patent 2015.08.19, wherein water stop sheets at two sides of a water stop nose of the copper water stop correspondingly extend into a foundation impervious wall 2 and an upper building 3 respectively, a first barrel 5 with an opening at one end is arranged in the water stop nose 4 of the copper water stop, a second barrel 6 is arranged in the first barrel in a sliding and buckling mode, an inner cavity formed by buckling the first barrel and the second barrel is filled with gas, a force storage and release mechanism 7 is arranged between the second barrel and the copper water stop, the second barrel is provided with at least two striking blocks 8, and the copper water stop is provided with a force bearing bulge 9 which is matched with the striking blocks to enable the second barrel to strike the copper water stop.
The power storage release mechanism comprises a telescopic rod 10, one end of the telescopic rod is hinged with the copper water stop, the other end of the telescopic rod is hinged with the second barrel, and an elastic piece 11 is sleeved on the telescopic rod.
The first barrel or the second barrel is provided with a limiting ring groove 12, a rotating ring 13 is embedded in the limiting ring groove and is made of insulating materials, the rotating ring is provided with a conductive gravity block 14, two conductive rods 15 are symmetrically distributed on two sides of the gravity block, the conductive rods are in contact with the gravity block after the water stop nose is stressed and deformed so as to conduct an alarm circuit, and the conductive rods and the gravity block are equivalent to a switch of the circuit.
The utility model provides a connection structure embodiment 2 of novel foundation ditch cut-off wall, the difference with embodiment 1 is, the copper stagnant water is equipped with first articulated seat 16, the second barrel is equipped with articulated seat 17 of second, the one end of telescopic link is articulated through articulated axle with first articulated seat, the other end is articulated through articulated axle with the articulated seat of second, the conducting rod is L shape, conducting rod one end is fixed in first barrel, the other end is located the swivel becket inboard, when the central axis of telescopic link and second barrel is perpendicular, the telescopic link equals to the bellied distance of adjacent load, the telescopic link includes the body of rod 18, the urceolus 19 of body of rod outer wall is located to the cover, the gravity piece is spherical, the swivel becket inboard is located to the gravity piece inlays, the elastic component is helical compression spring, the conducting rod is the aluminum alloy material.
When the copper water stop device is used, the water stop sheets on two sides of the water stop nose 4 of the copper water stop 1 correspondingly extend into the foundation impervious wall 2 and the superstructure 3 respectively, and because the inner cavity formed by buckling the first barrel 5 and the second barrel 6 is positioned near the earth surface, the inner cavity is easily affected by the alternate change of cold and heat on the earth surface, so that the phenomenon of expansion with heat and contraction with cold of gas filled in the inner cavity occurs. When the gas filled in the inner cavity is expanded initially, the distance from the second hinged seat 17 to the left end face of the first barrel 5 is smaller than the distance from the first hinged seat 16 to the left end face of the first barrel 5, the second barrel 6 moves towards the direction far away from the first barrel 5, at the moment, the elastic piece 11 is compressed, after the telescopic rod 10 passes through the position vertical to the central axis of the second barrel 6, the second barrel 6 is accelerated to be far away from the first barrel 5 under the double action of the thrust of the gas expansion and the elastic force of the elastic piece 11, and finally the striking block impacts the bearing bulge 9 to enable the water stop nose 4 to vibrate, so that the water stop nose 4 is prevented from being adhered to the basic impervious wall 2 and the upper building 3, and the whole water stop nose 4 is deformed under the stress, and the tensile capacity of the water stop nose 4 is improved; when the gaseous shrink of inner chamber packing, the second barrel moves towards the direction that is close to first barrel, and the elastic component is compressed this moment, after the telescopic link crossed the central axis vertically position with the second barrel, the second barrel received the pulling force of gaseous shrink and the dual function of the elasticity of elastic component and is close to first barrel with higher speed and finally makes hitting the piece and strike the bearing arch so that the stagnant water nose shakes, prevents that stagnant water nose from gluing with basic impervious wall, superstructure, thereby makes the whole atress of stagnant water nose warp thereby improves stagnant water nose's tensile strength.
A construction process of a novel foundation pit cut-off wall comprises any one of the connection structures of the novel foundation pit cut-off wall, and comprises the following concrete steps:
s1, fixedly pre-arranging the copper water stop in a pouring mould, and then pouring the foundation impervious wall;
and S2, after the water stop sheet on one side of the copper water stop is fixed with the foundation impervious wall, pouring the water stop sheet on the other side of the copper water stop into the superstructure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a novel connection structure of foundation ditch cut-off wall, is including setting up in the copper stagnant water of basic cut-off wall and superstructure junction, the stagnant water piece of the stagnant water nose both sides of copper stagnant water corresponds respectively and extends to in basic cut-off wall and the superstructure, its characterized in that: the copper water stop is characterized in that a first barrel with an opening at one end is arranged in the water stop nose of the copper water stop, the first barrel is slidably buckled with a second barrel, an inner cavity formed by buckling the first barrel and the second barrel is filled with gas, a force storage and release mechanism is arranged between the second barrel and the copper water stop, the second barrel is provided with at least two striking blocks, and the copper water stop is provided with a bearing bulge which is matched with the striking blocks to enable the second barrel to strike the copper water stop.
2. The novel connecting structure of the foundation pit impervious wall as claimed in claim 1, wherein: the power storage release mechanism comprises a telescopic rod, one end of the telescopic rod is hinged with the copper water stop, the other end of the telescopic rod is hinged with the second barrel, and an elastic piece is sleeved on the telescopic rod.
3. The novel connecting structure of the foundation pit impervious wall as claimed in claim 2, wherein: first barrel or second barrel are equipped with spacing annular, spacing annular inlays and is equipped with the swivel becket, the swivel becket is insulating material, the swivel becket is equipped with the gravity piece that can electrically conduct, gravity piece bilateral symmetry distributes has two conducting rods, make conducting rod and gravity piece contact in order to switch on warning circuit after the stagnant water nose atress warp.
4. The novel connecting structure of the foundation pit impervious wall as claimed in claim 3, wherein: copper stagnant water is equipped with first articulated seat, second barrel and is equipped with the articulated seat of second, the one end of telescopic link is articulated through articulated axle with first articulated seat, and the other end is articulated through articulated axle with the articulated seat of second.
5. The novel connecting structure of the foundation pit impervious wall as claimed in claim 4, wherein: the conducting rod is L-shaped, one end of the conducting rod is fixed to the first cylinder, and the other end of the conducting rod is located on the inner side of the rotating ring.
6. The novel connecting structure of the foundation pit impervious wall as claimed in claim 5, wherein: when the central axis of the telescopic rod is vertical to the central axis of the second cylinder, the distance from the telescopic rod to the adjacent bearing bulges is equal.
7. The novel connecting structure of the foundation pit impervious wall as claimed in claim 6, wherein: the telescopic rod comprises a rod body and an outer barrel sleeved on the outer wall of the rod body.
8. The novel connecting structure of the foundation pit impervious wall as claimed in claim 7, wherein: the gravity block is spherical and is embedded in the inner side of the rotating ring.
9. The novel connecting structure of the foundation pit impervious wall as claimed in claim 8, wherein: the elastic piece is a spiral compression spring, and the conducting rod is made of an aluminum alloy material.
10. A construction process of a novel foundation pit cut-off wall, which is characterized by comprising the connecting structure of the novel foundation pit cut-off wall as claimed in any one of claims 1 to 9, and comprises the following concrete steps:
s1, fixedly pre-arranging the copper water stop in a pouring mould, and then pouring the foundation impervious wall;
and S2, after the water stop sheet on one side of the copper water stop is fixed with the foundation impervious wall, pouring the water stop sheet on the other side of the copper water stop into the superstructure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245411.3A CN113684850B (en) | 2021-10-26 | 2021-10-26 | Connection structure of foundation cut-off wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245411.3A CN113684850B (en) | 2021-10-26 | 2021-10-26 | Connection structure of foundation cut-off wall |
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| CN113684850A true CN113684850A (en) | 2021-11-23 |
| CN113684850B CN113684850B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791574A (en) * | 1993-03-12 | 1995-04-04 | Seibu Polymer Corp | Coupling for culvert |
| CN102839689A (en) * | 2012-09-04 | 2012-12-26 | 长江勘测规划设计研究有限责任公司 | Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method |
| CN103225283A (en) * | 2013-04-24 | 2013-07-31 | 黄河勘测规划设计有限公司 | Connection structure of barrage foundation diaphragm wall and gate dam building |
| CN104153323A (en) * | 2014-08-04 | 2014-11-19 | 河海大学 | Peripheral joint copper water seal for high concrete face rock fill dam on deep coverage layer |
| CN107338765A (en) * | 2017-08-22 | 2017-11-10 | 中国水利水电科学研究院 | The surface preform structure and its construction method of a kind of expansion joint sealing |
| CN208830264U (en) * | 2018-08-28 | 2019-05-07 | 国家电网有限公司 | Hydraulic structure concrete structure W type, the integral-filled component of F type copper waterstop |
-
2021
- 2021-10-26 CN CN202111245411.3A patent/CN113684850B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791574A (en) * | 1993-03-12 | 1995-04-04 | Seibu Polymer Corp | Coupling for culvert |
| CN102839689A (en) * | 2012-09-04 | 2012-12-26 | 长江勘测规划设计研究有限责任公司 | Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method |
| CN103225283A (en) * | 2013-04-24 | 2013-07-31 | 黄河勘测规划设计有限公司 | Connection structure of barrage foundation diaphragm wall and gate dam building |
| CN104153323A (en) * | 2014-08-04 | 2014-11-19 | 河海大学 | Peripheral joint copper water seal for high concrete face rock fill dam on deep coverage layer |
| CN107338765A (en) * | 2017-08-22 | 2017-11-10 | 中国水利水电科学研究院 | The surface preform structure and its construction method of a kind of expansion joint sealing |
| CN208830264U (en) * | 2018-08-28 | 2019-05-07 | 国家电网有限公司 | Hydraulic structure concrete structure W type, the integral-filled component of F type copper waterstop |
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| CN113684850B (en) | 2022-01-25 |
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