CN111778988A - Underground diaphragm wall door type emergency plugging device and method - Google Patents
Underground diaphragm wall door type emergency plugging device and method Download PDFInfo
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- CN111778988A CN111778988A CN202010487624.6A CN202010487624A CN111778988A CN 111778988 A CN111778988 A CN 111778988A CN 202010487624 A CN202010487624 A CN 202010487624A CN 111778988 A CN111778988 A CN 111778988A
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- door
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- 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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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a door type emergency plugging device and method for an underground diaphragm wall, and belongs to the field of building foundation pit construction. The door type emergency leakage stopping device comprises a frame, a leakage stopping door, a pressing handle and a safety structure. According to the invention, the gate type emergency leaking stoppage device is arranged at the leaking position of the underground diaphragm wall through the expansion anchor bolt, and the leaking stoppage gate is closed tightly and sealed by grouting, so that the effect of quickly closing the leaking position of the underground diaphragm wall is achieved. The invention has the advantages of simple and convenient installation, no need of operating large-scale machinery in a foundation pit, quick leaking stoppage effect, no influence of water pressure, no environmental pollution and good economic and social benefits.
Description
Technical Field
The invention relates to a door type emergency plugging device and method for an underground diaphragm wall, and belongs to the field of construction in the field of building foundation pit construction.
Background
As a common foundation pit enclosure structure form, the underground continuous wall has compact waterproof performance and directly influences the safety of a foundation pit. However, the underground continuous wall is easily affected by geological conditions sometimes, so that the problems of uneven concrete pouring, non-compact groove section joints and the like are caused, the leakage phenomenon of the underground continuous wall is easily caused, and the safety of foundation pits and surrounding buildings is threatened. The phenomena of large gushing water pressure, sand inclusion and the like often occur at the leakage position of the underground diaphragm wall, and certain difficulty is caused to plugging.
The existing plugging method has the problems of long time consumption for plugging and difficult guarantee of effect.
Therefore, the emergency plugging technology of the underground diaphragm wall, which can be rapidly installed on an emergency site and takes effect rapidly, needs to be developed.
Disclosure of Invention
Aiming at the defect of the accuracy of the conventional paying-off mode of the ultra-thick bottom plate in the prior art, the invention provides the underground continuous wall door type emergency plugging device and the method thereof, and the plugging device which can be quickly installed and takes effect quickly under the dangerous condition of the underground continuous wall water leakage project can be realized.
In order to solve the technical problems, the invention comprises the following technical scheme:
in one aspect of the present invention, there is provided a gate type emergency plugging device for an underground diaphragm wall, which is installed at a leakage position of the underground diaphragm wall, the gate type emergency plugging device comprising:
the door type emergency plugging device comprises a frame, a door type emergency plugging device and a control system, wherein the frame is used for being installed at a leakage position of the underground continuous wall, is provided with anchor bolt holes penetrating through the upper surface and the lower surface of the frame, and is used for installing the door type emergency plugging device at the leakage position of the underground continuous wall through expansion anchor bolts, and a cavity is formed inside the frame;
the pressing handle extends from one end of the frame to the other end opposite to the frame, and one end of the pressing handle is movably connected to one end of the frame through a first connecting piece, so that the other end of the pressing handle can be opened or closed relative to the frame;
the leakage blocking door is movably connected to the pressing handle through a second connecting piece, and is released or pressed downwards through the opening or closing of the pressing handle, so that the leakage blocking door leaves or is blocked at the cavity of the frame, and the leakage position of the underground continuous wall is opened or blocked; and
and the safety structure is used for fixing the pressing handle and further fixing the leaking stoppage door before the leaking stoppage door is grouted and sealed so as to prevent the leaking stoppage door from being opened by water pressure.
Optionally, the gate-type emergency plugging device further comprises a rubber ring fixed on the lower surface of the plugging gate, so that the gate-type emergency plugging device is closely attached to the uneven surface of the underground continuous wall, the plugging effect is improved, and the plugging success rate is increased.
Optionally, the gate-type emergency leaking stoppage device further comprises a drain valve arranged at the leaking stoppage door to close and seal the leaking stoppage door and play a role in drainage and pressure relief, so that the leaking stoppage door is prevented from being difficult to close due to overlarge water pressure.
Optionally, the pressing handle is formed by connecting two pressing rods through bolts, so that the pressing handle has higher bending resistance and bearing capacity and is less prone to damage in the pressing process.
Optionally, the door-type emergency plugging device further comprises a handle, wherein the handle is correspondingly arranged on two sides of the frame where the pressing handle is not installed, so that the door-type emergency plugging device can be conveniently carried.
Optionally, the security structure comprises:
the screw rod is fixedly connected to the opposite end of the frame where the pressing handle is installed, the nut is installed at the screw rod, and the pressing handle is fixed through meshing of the screw rod and the nut; and
and the pore passage is formed at the other end of the pressing handle and is matched with the position and the shape of the screw rod.
Optionally, the channel is a slotted channel.
The invention also provides an emergency plugging method for the underground diaphragm wall, which is characterized in that the door type emergency plugging device of claim 1 is used for plugging, and the method comprises the following steps:
200, selecting a proper door type emergency plugging device according to the size of a hole at a leakage position of the underground continuous wall, and driving an expansion anchor bolt into the underground continuous wall according to the position of the anchor bolt hole;
step 300, installing the door type emergency plugging device and screwing an expansion anchor bolt;
step 400, closing the leaking stoppage door by pressing the pressing handle downwards, and fixing the pressing handle through the safety structure;
500, sealing a gap between the leaking stoppage door and the frame by using a quick-drying leaking stoppage agent to ensure that silt water flow cannot seep out from the gap of the leaking stoppage door;
and step 600, completing leaking stoppage when the leaking stoppage door seam reaches a sealing condition.
Optionally, in the method, the door type emergency leaking stoppage device further comprises a rubber ring fixed on the lower surface of the leaking stoppage door;
the step 300 further comprises: the rubber ring is tightly attached to the surface of the underground diaphragm wall, and the silt water flow is ensured not to seep out of the rubber ring.
Optionally, in the method, the door-type emergency plugging device further comprises a drain valve arranged at the plugging door;
step 600 further comprises: and when the door seam to be plugged reaches a sealing condition, closing the water drain valve.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: the gate type emergency leaking stoppage device is installed at the leaking position of the underground diaphragm wall through the expansion anchor bolts, the leaking stoppage gate is tightly closed and sealed by grouting, and the effect of quickly sealing the leaking position of the underground diaphragm wall is achieved. The invention has the advantages of simple and convenient installation, no need of operating large-scale machinery in a foundation pit, quick leaking stoppage effect, no influence of water pressure, no environmental pollution and good economic and social benefits.
Drawings
Fig. 1 is a schematic perspective view of an underground diaphragm wall door type emergency plugging device according to an embodiment of the present invention;
fig. 2 is a schematic plan view of an underground continuous wall door type emergency plugging device according to an embodiment of the invention;
fig. 3 is a schematic perspective view of a door-type emergency plugging device for an underground diaphragm wall according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of an underground continuous wall door type emergency plugging device according to an embodiment of the present invention.
The numbers in the figures are as follows:
a 100-door type emergency plugging device,
10 frames, 11 anchor holes, 12 first connecting pieces, 13 handles,
20 leaking doors, 21 rubber rings, 22 drain valves, 23 closing handles,
30 pressing handles, 31 a second connecting piece, 32 pressing rods,
40 safety structure, 41 screw rods, 42 nuts and 43 pore channels.
Detailed Description
The underground continuous wall door type emergency plugging device provided by the invention is further described in detail by combining the attached drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
As shown in fig. 1 to 4, the present embodiment provides an underground continuous wall door type emergency plugging device 100 for installation at a leakage site of an underground continuous wall. The door type emergency leaking stoppage device 100 includes: the frame 10, the leaking stoppage door 20, the pressing handle 30 and the safety structure 40. The frame 10 is intended to be installed at a leakage site of the underground diaphragm wall. The frame 10 has anchor holes 11 penetrating the upper and lower surfaces thereof for installing the door type emergency plugging device 100 at a leakage site of the underground diaphragm wall by means of expansion anchors. A press handle 30 extends from one end of the frame 10 to the opposite end of the frame 10. One end of the pressing handle 30 is movably connected at one end of the frame 10 by a first connecting member 12 so that the other end of the pressing handle 30 can be opened or closed with respect to the frame 10. The leakage blocking door 20 is movably connected to the pressing handle 30 through a second connecting piece 31, and the leakage blocking door 20 is released or pressed downwards through the opening or closing of the pressing handle 30, so that the leakage blocking door 20 leaves or blocks the cavity of the frame 10, and the leakage position of the underground continuous wall is opened or blocked. The pressure handle 30 is directly connected with the leaking stoppage door 20, so that a larger force arm can be provided when the leaking stoppage door 20 is closed, and the leaking stoppage operation under the impact of water flow is easier. The leaking stoppage door 20 is movably connected with the pressure rod 32, and the angle can be automatically adjusted when the leaking stoppage door 20 is closed, so that leaking stoppage is more compact. The safety structure 40 is used for fixing the pressing handle 30, and further fixing the leaking stoppage door 20 before the leaking stoppage door 20 is grouted and sealed, so that the leaking stoppage door 20 is not opened by water pressure.
In one embodiment, the first connecting member 12 and the second connecting member 31 may be a hinge. The first connecting member 12 and the second connecting member 31 may also be a rotating shaft.
The construction process of the underground continuous wall door type emergency plugging device 100 comprises the following steps:
a gate type emergency leaking stoppage device 100 is installed at the leaking position of the underground diaphragm wall through an expansion anchor bolt, a pressure handle 30 is utilized to close a leaking stoppage door 20, a leaking stoppage agent is filled into the gap between the leaking stoppage door 20 and a frame 10, and the leaking stoppage is completed after the leaking stoppage agent reaches the sealing effect. Therefore, the invention has the effects of quick installation and quick effect on the emergency site.
In addition, compared with the problems of easy environmental pollution and the like existing in chemical grouting leakage stoppage methods such as polyurethane and the like in the existing leakage stoppage method, the method disclosed by the invention has the advantages of no environmental pollution, safety and environmental protection. Compared with the existing method for plugging the high-pressure jet grouting pile for the construction outside the underground diaphragm wall, the method has the problem of high cost, is simple and convenient to install, does not need to operate large machinery in a foundation pit, and also has the advantage of low cost.
The invention has simple installation, no need of operating large-scale machinery in the foundation pit, quick leaking stoppage effect, no influence of water pressure and good economic and social benefits.
In specific implementation, the door type emergency leaking stoppage device 100 can be in the form of door type emergency leaking stoppage devices 100 with different shapes and sizes so as to adapt to different occasions.
Further, as shown in fig. 1 to 4, the door-type emergency plugging device 100 further includes a rubber ring 21 fixed on the lower surface of the plugging door 20, so that the door-type emergency plugging device 100 is closely attached to the uneven surface of the underground continuous wall, thereby improving the plugging effect and increasing the success rate of plugging.
Further, as shown in fig. 1 to 4, the door-type emergency plugging device 100 further includes a drain valve 22 disposed at the plugging door 20 to perform a drainage and pressure relief function when the plugging door 20 is closed and sealed, so as to prevent a situation that the plugging door 20 is difficult to close due to an excessive leakage water pressure.
Further, as shown in fig. 1-4, the pressing handle 30 is formed by two pressing rods 32 which are connected by bolts, so that the pressing handle 30 has higher bending resistance and bearing capacity and is less prone to damage during pressing.
Further, as shown in fig. 1 to 4, the door-type emergency leak stopping device 100 further includes a handle 13, which is correspondingly disposed on two sides of the frame 10 where the pressing handle 30 is not installed, so as to facilitate carrying of the door-type emergency leak stopping device.
Further, as shown in fig. 1-4, the security structure 40 includes: a screw 41, a nut 42 and a bore 43. A screw 41 is fixedly connected to the opposite end of the frame 10 where the press handle 30 is installed, and a nut 42 is installed at the screw 41, by engagement of the screw 41 and the nut 42, to fix the press handle 30. A hole 43 is formed at the other end of the press handle 30 and matches the position and shape of the screw 41.
More specifically, the hole 43 is a groove-shaped hole so as to correspond the hole 43 in the press handle 30 to the screw 41.
Example two
Referring to fig. 1-4, the invention also provides an emergency plugging method for the underground diaphragm wall, which uses the door-type emergency plugging device for plugging, and the method comprises the following steps:
200, selecting a proper door type emergency plugging device size according to the size of a hole at a leakage position of the underground continuous wall, and driving an expansion anchor bolt into the underground continuous wall according to the position of an anchor bolt hole 11;
step 300, installing a door type emergency plugging device and screwing down a bolt to enable the rubber ring 21 to be tightly attached to the surface of the underground diaphragm wall, so that silt water flow is prevented from seeping out of the rubber ring 21;
step 400, opening the drain valve 22, closing the leaking stoppage door 20 by pressing the pressing handle 30 downwards, installing and screwing the nut 42 on the fixing screw 41, and mechanically fixing the pressing handle 30;
step 500, sealing a gap between the leaking stoppage door 20 and the frame 10 by using a quick-drying leaking stoppage agent to ensure that silt and water flow cannot seep out from the gap between the leaking stoppage door 20;
step 600, when the seam of the leaking stoppage door 20 reaches a sealing condition, closing the gate of the water escape valve 22 through the gate closing handle 23 to finish leaking stoppage.
The method has the advantages of simple and convenient installation, no need of operating large machinery in the foundation pit, quick leaking stoppage effect, no influence of water pressure, and good economic and social benefits.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an emergent plugging device of underground continuous wall door formula for install in the seepage department of underground continuous wall, its characterized in that, emergent plugging device of door-type includes:
the door type emergency plugging device comprises a frame, a door type emergency plugging device and a control system, wherein the frame is used for being installed at a leakage position of the underground continuous wall, is provided with anchor bolt holes penetrating through the upper surface and the lower surface of the frame, and is used for installing the door type emergency plugging device at the leakage position of the underground continuous wall through expansion anchor bolts, and a cavity is formed inside the frame;
the pressing handle extends from one end of the frame to the other end opposite to the frame, and one end of the pressing handle is movably connected to one end of the frame through a first connecting piece, so that the other end of the pressing handle can be opened or closed relative to the frame;
the leakage blocking door is movably connected to the pressing handle through a second connecting piece, and is released or pressed downwards through the opening or closing of the pressing handle, so that the leakage blocking door leaves or is blocked at the cavity of the frame, and the leakage position of the underground continuous wall is opened or blocked; and
and the safety structure is used for fixing the pressing handle and further fixing the leaking stoppage door before the leaking stoppage door is grouted and sealed so as to prevent the leaking stoppage door from being opened by water pressure.
2. The door-type emergency plugging device of claim 1, further comprising a rubber ring fixed on the lower surface of the plugging door, so that the door-type emergency plugging device is closely attached to the uneven surface of the underground continuous wall, thereby improving the plugging effect and increasing the plugging success rate.
3. The door type emergency plugging device of claim 1, further comprising a drain valve disposed at the plugging door to perform a drainage and pressure relief function when the plugging door is closed and sealed, so as to prevent the situation that the plugging door is difficult to close due to excessive leakage water pressure.
4. The door type emergency plugging device of claim 1, wherein the pressing handle is formed by connecting two pressing rods through bolts, so that the pressing handle has higher bending resistance and bearing capacity and is less prone to damage during pressing.
5. The door-type emergency plugging device of claim 1, further comprising handles correspondingly disposed at two sides of the frame where the pressing handle is not installed, so as to facilitate carrying of the door-type emergency plugging device.
6. Door-type emergency leak stoppage device according to any one of claims 1 to 5, wherein the safety structure comprises:
the screw rod is fixedly connected to the opposite end of the frame where the pressing handle is installed, the nut is installed at the screw rod, and the pressing handle is fixed through meshing of the screw rod and the nut; and
and the pore passage is formed at the other end of the pressing handle and is matched with the position and the shape of the screw rod.
7. The door-type emergency leak stoppage device according to claim 6, wherein the duct is a channel-type duct.
8. An emergency plugging method for an underground diaphragm wall, which is characterized in that the door type emergency plugging device of claim 1 is used for plugging, and the method comprises the following steps:
step 100, finding out a leakage position of the underground continuous wall, cleaning and polishing the surface of the underground continuous wall around the leakage position, and removing floating mud and easily-falling cement soil on the surface of the underground continuous wall;
200, selecting a proper door type emergency plugging device according to the size of a hole at a leakage position of the underground continuous wall, and driving an expansion anchor bolt into the underground continuous wall according to the position of the anchor bolt hole;
step 300, installing the door type emergency plugging device and screwing an expansion anchor bolt;
step 400, closing the leaking stoppage door by pressing the pressing handle downwards, and fixing the pressing handle through the safety structure;
500, sealing a gap between the leaking stoppage door and the frame by using a quick-drying leaking stoppage agent to ensure that silt water flow cannot seep out from the gap of the leaking stoppage door;
and step 600, completing leaking stoppage when the leaking stoppage door seam reaches a sealing condition.
9. The method of claim 8, wherein the door-type emergency leak stopping device further comprises a rubber ring fixed at a lower surface of the leak stopping door;
the step 300 further comprises: the rubber ring is tightly attached to the surface of the underground diaphragm wall, and the silt water flow is ensured not to seep out of the rubber ring.
10. The method of claim 8 or 9, wherein the door-type emergency leak stoppage device further comprises a drain valve provided at the leak stoppage door;
step 600 further comprises: and when the door seam to be plugged reaches a sealing condition, closing the water drain valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487624.6A CN111778988A (en) | 2020-06-02 | 2020-06-02 | Underground diaphragm wall door type emergency plugging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487624.6A CN111778988A (en) | 2020-06-02 | 2020-06-02 | Underground diaphragm wall door type emergency plugging device and method |
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| CN111778988A true CN111778988A (en) | 2020-10-16 |
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| CN202010487624.6A Pending CN111778988A (en) | 2020-06-02 | 2020-06-02 | Underground diaphragm wall door type emergency plugging device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457831A (en) * | 2022-01-19 | 2022-05-10 | 中天建设集团有限公司 | Integral steel formwork leakage blocking device in foundation pit and construction method |
| CN114941349A (en) * | 2022-06-15 | 2022-08-26 | 中铁上海工程局集团市政环保工程有限公司 | Rapid leakage stopping device and method for water leakage of diaphragm wall joint |
| CN117431985A (en) * | 2023-12-21 | 2024-01-23 | 上海建工二建集团有限公司 | Underground diaphragm wall door type emergency plugging device and method |
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| CN209849105U (en) * | 2019-03-29 | 2019-12-27 | 安徽中科中佳科学仪器有限公司 | Novel large rotor high-speed centrifuge |
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| DE10117594A1 (en) * | 2001-03-13 | 2002-09-19 | Zueblin Ag | Sealing water in foundation pits or weirs involves filling plugging material into flow upstream to flow to leakage site and steadily build up into plug structure. |
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Application publication date: 20201016 |
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