CN115419096A - Novel dewatering well bottom plate and dewatering well plugging method - Google Patents

Novel dewatering well bottom plate and dewatering well plugging method Download PDF

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Publication number
CN115419096A
CN115419096A CN202211205262.2A CN202211205262A CN115419096A CN 115419096 A CN115419096 A CN 115419096A CN 202211205262 A CN202211205262 A CN 202211205262A CN 115419096 A CN115419096 A CN 115419096A
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China
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waterproof
groove
sealing ring
bottom plate
dewatering well
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CN202211205262.2A
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CN115419096B (en
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耿金东
何伟亚
王鹏
宋泽明
黄猛
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Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/10Restraining of underground water by lowering level of ground water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/12Restraining of underground water by damming or interrupting the passage of underground water
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention relates to the technical field of dewatering well plugging, in particular to a novel dewatering well bottom plate and a dewatering well plugging method, wherein the novel dewatering well bottom plate comprises: the waterproof sealing device comprises a bottom plate body, a waterproof steel sleeve, a waterproof sealing ring, a waterproof connecting column, a connecting limiting plate, a connecting limiting groove, an adjusting button and a sealing element; the beneficial effects are that: hold the spring top through the top and hold the connection limiting plate and be connected the spacing groove cooperation, thereby to bottom plate body and waterproof steel casing spacing fixed, waterproof sealing ring and waterproof spliced pole are held on anticreep spring top, thereby with waterproof sealing ring and waterproof spliced pole spacing fixed through connecting the limiting plate, the guard plate grafting protective groove inside seals spacingly to waterproof sealing ring and waterproof spliced pole junction with first sealing strip and the cooperation of second sealing strip this moment, can accomplish mounting plate body and waterproof steel casing installation through simple grafting, the operation is simple, the installation effectiveness of waterproof steel casing is improved, and sealed effect is better.

Description

Novel dewatering well bottom plate and dewatering well plugging method
Technical Field
The invention relates to the technical field of dewatering well plugging, in particular to a novel dewatering well bottom plate and a dewatering well plugging method.
Background
The dewatering well is a well for dewatering, and underground water is pumped by a water pump so as to reduce the water level of the underground water; in the construction of underground structures, the method belongs to a common precipitation facility, such as: in order to ensure dry construction, a precipitation well is generally adopted to reduce the underground water level in the construction range, so that normal construction outside the precipitation well range can be ensured, and after the construction is finished, the precipitation well needs to be plugged.
During construction, the fact that water-carrying operation cannot be carried out when the plugging concrete is poured is discovered, the final plugging concrete pouring can be carried out under the condition of completely controlling accumulated water, the vibration quality is enhanced during pouring, internal holes are avoided, however, under the action of an underground water head and the phenomenon of quicksand, the phenomenon of quicksand refers to the phenomenon that when the foundation pit is excavated to the position below the underground water level, the soil is fine sand or silt sand, and when a water collecting pit is adopted for precipitation, under the action of certain dynamic water pressure, the soil under the pit can form a flowing state and flows together with underground water to flow into the pit, and the generated phenomenon is called quicksand phenomenon; and then cause the infiltration of banketing easily after the banketing, follow-up pouring shutoff concrete is very difficult, and when meetting rainy season or next-door neighbour water source, groundwater water permeability is stronger for the drift sand phenomenon is more serious, and the subsoil is more loose, further causes the shutoff more difficult, and the bottom plate passes through bolted connection with waterproof steel casing pipe, and sealing performance is not good, and installs loaded down with trivial details.
Disclosure of Invention
The invention aims to provide a novel dewatering well bottom plate and a dewatering well plugging method, which aim to solve the problem of overhigh internal temperature of a data processing center.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel precipitation well bottom plate, a novel precipitation well bottom plate includes:
the surface of the bottom plate body is provided with a through hole;
the surface of the waterproof steel sleeve is provided with a flange plate which is arranged inside the through hole of the bottom plate body,
the waterproof sealing ring is fixed inside the through hole of the bottom plate body, and the inner wall of the waterproof sealing ring is provided with an anti-impact inclined plane;
the waterproof connecting column is arranged on the surface of the flange plate of the waterproof steel sleeve;
the connecting limiting plate is arranged inside the waterproof sealing ring;
the connecting limiting groove is formed inside the waterproof connecting column;
an adjustment button disposed on the surface; and
and the sealing element is arranged between the waterproof sealing ring and the waterproof connecting column and is used for sealing and limiting the waterproof sealing ring and the waterproof connecting column.
Preferably, waterproof spliced pole is close to waterproof sealing ring side surface and has been seted up and connect the spacing groove, and waterproof sealing ring is close to waterproof spliced pole side surface and has been seted up the movable groove, connects the limiting plate setting in the movable groove inside, and transversal personally submits "L" font structure, connects the spacing groove and sets up in connecting the spacing inslot portion, and transversal personally submits "L" font structure.
Preferably, the width of the connecting limiting groove is equal to that of the movable groove and is larger than the thickness of the connecting limiting plate, the cross section of the connecting limiting groove is of a structure like the Chinese character '21274', and the connecting limiting groove is matched with the connecting limiting plate.
Preferably, the surface of the movable groove is provided with a connecting jacking groove, a connecting jacking spring is arranged in the connecting jacking groove, the cross section of the connecting jacking groove is of a structure like a Chinese character '\21274', one end of the connecting jacking spring is connected with the innermost side surface of the connecting jacking groove, and the other end of the connecting jacking spring is connected with one end of the connecting limiting plate.
Preferably, connect spacing groove and activity groove side surface and seted up the anticreep groove, and the anticreep groove is annular structure, and the anticreep inslot portion is provided with the anticreep spring, and anticreep spring one end is connected with waterproof sealing ring, and when waterproof spliced pole is connected with waterproof sealing ring, the anticreep spring is in compression state.
Preferably, the guide limiting sliding groove is arranged in the innermost side surface of the movable groove in the middle, a guide limiting sliding block is fixed on the side surface of the connecting limiting plate in the middle, the guide limiting sliding block is located inside the guide limiting sliding groove, and the cross section of the guide limiting sliding block and the cross section of the guide limiting sliding groove are of a T-shaped structure.
Preferably, the sealing member includes the protecting groove, protecting groove complex guard plate, the seal groove, first sealing strip and second sealing strip, the protecting groove is seted up on waterproof spliced pole surface, the guard plate is fixed on waterproof sealing ring surface, and the protecting groove all is the loop configuration with the guard plate, and the protecting groove all is provided with two sets ofly with the guard plate, connect the limiting plate, the movable trough, connect the spacing groove, anticreep spring and anticreep groove all set up between two sets of protecting grooves and guard plate, the seal groove is seted up on protecting groove both sides surface, first sealing strip is fixed on the seal groove surface, the seal groove is provided with the multiunit with first sealing strip, and a set of first sealing strip is sealed waterproof sealing ring and waterproof spliced pole with the cooperation of two sets of first sealing strips, and the guard plate outside and inboard surface all are provided with the second sealing strip, the second sealing strip is linear distribution.
Preferably, the second sealing strip is arranged at one end, far away from the waterproof sealing ring, of the protection plate, and the first sealing strip is arranged at one end, close to the waterproof sealing ring, of the protection groove.
Preferably, the surface of the bottom plate body is provided with an adjusting groove, the cross section of the adjusting groove is of a structure like a Chinese character 'wu 21274', an adjusting spring is arranged in the adjusting groove, one end of the adjusting spring is connected with an adjusting button, the surfaces of two sides of the adjusting groove are provided with traction fixing grooves, a traction rope is arranged in the traction fixing grooves, one end of the traction rope is connected with the adjusting button, and the other end of the traction rope penetrates through the bottom plate body and the waterproof sealing ring and is connected with the connecting limiting plate.
A plugging method of a dewatering well comprises the following steps:
s1: before plugging, increasing the precipitation strength around the well to reduce the water level in the well pipe to be plugged to the minimum for plugging, and pumping the precipitation around the precipitation well by using a water pump;
s2: adding a concrete agent into the dewatering well to enable water in the dewatering well to become colloid, settling sand grains and broken stones in the dewatering well and reducing the sand flowing phenomenon, and then adding dry cement on the concrete agent to form a water absorption layer to further inhibit the sand flowing phenomenon, wherein the coagulant is water absorption resin, and the water absorption material is dry cement;
s3: connecting a bottom plate body and a waterproof steel sleeve, fixing the bottom plate body above the center of a dewatering well, pressing a dismounting button downwards, driving a traction rope to move inside a traction fixing groove by the dismounting button, tightening the traction rope, moving a connecting limiting plate towards a propping spring through the traction rope, then moving a waterproof sealing ring and a waterproof connecting column, moving the waterproof steel sleeve, enabling the connecting limiting plate to enter the inside of a connecting limiting groove until the waterproof connecting column is completely attached to the waterproof sealing ring, loosening the dismounting button, propping the connecting limiting plate by the propping spring to be matched with the connecting limiting groove, limiting and fixing the bottom plate body and the waterproof steel sleeve, propping by an anti-falling spring the waterproof sealing ring and the waterproof connecting column, limiting and fixing the waterproof sealing ring and the waterproof connecting column through the connecting limiting plate, and sealing and limiting the joint of the waterproof sealing ring and the waterproof connecting column by matching the inside of an inserting protective groove with a first sealing strip and a second sealing strip;
s4: and finally, resin concrete is poured at the dewatering well to achieve a higher waterproof effect.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the dismounting button is pressed downwards, the dismounting button drives the traction rope to move in the traction fixing groove, and the traction rope is tightened, so that the connection limiting plate moves towards the propping spring through the traction rope, then the waterproof sealing ring and the waterproof connecting column are moved, the waterproof steel sleeve is moved, the connection limiting plate enters the connection limiting groove until the waterproof connecting column is completely attached to the waterproof sealing ring, the dismounting button is loosened, the propping spring props the connection limiting plate to be matched with the connection limiting groove, so that the bottom plate body and the waterproof steel sleeve are limited and fixed, the anti-falling spring props the waterproof sealing ring and the waterproof connecting column, so that the waterproof sealing ring and the waterproof connecting column are limited and fixed through the connection limiting plate, at the moment, the connection position of the waterproof sealing ring and the waterproof connecting column is sealed and limited through the matching of the inside of the protective plate inserting protective groove with the first sealing strip and the second sealing strip, the installation of the bottom plate body and the waterproof steel sleeve can be completed through simple inserting, the operation is simple, the installation efficiency of the waterproof steel sleeve is improved, and the sealing effect is better.
The concrete is put into the dewatering well, water in the dewatering well can be changed into colloid, sand grains and broken stones in the colloid are settled, the surging of water flow is prevented, the hydrodynamic pressure and the sand flowing phenomenon are overcome, the water permeation can be reduced when the colloid is adsorbed on the inner wall of the dewatering well, the effective construction is ensured, the silt and the broken stones which can be adsorbed by the colloid can form a scattering structure similar to branches, partial water-absorbing resin is contained in the colloid, the displacement is reduced or prevented, the sand flowing phenomenon is further inhibited, meanwhile, the water seepage from the bottom of the dewatering well is also reduced, then, the added high-dry cement is equivalent to form a water absorbing layer, water can be continuously absorbed, the colloid is dehydrated, the viscosity of the colloid is larger, the fluidity is poorer, the structure formed by the water absorbing layer is more stable, namely, impurities are adsorbed by the colloid, the water is absorbed by the dry cement, and the structures formed by the colloid and the dry cement are mutually 'cross-linked' to form a more stable structure and expand and block water; the gravel flowing phenomenon can be further inhibited, the resin concrete is poured, the rapid hardening and high strength are realized, the performances of impermeability, corrosion resistance, wear resistance, freeze thawing resistance, bonding and the like are obviously improved, and the overlarge jacking force of water in the dewatering well on the bottom plate body is effectively prevented.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the present invention in a partially cut-away perspective configuration;
FIG. 3 is a schematic view of a partially cut-away perspective structure of a waterproof sealing ring and a waterproof connecting column;
FIG. 4 is a schematic perspective view of a portion of a waterproof connecting column;
fig. 5 is a partially sectional perspective view of the adjustment button.
In the figure: bottom plate body 1, waterproof sealing ring 2, adjustment button 3, waterproof spliced pole 4, waterproof steel sleeve 5, connect limiting plate 6, connect spacing groove 7, connect the top and hold groove 8, connect top and hold spring 9, activity groove 10, anticreep spring 11, anticreep groove 12, protecting groove 13, protecting plate 14, seal groove 15, first sealing strip 16, direction limiting slide 17, direction limiting slide 18, second sealing strip 19, connect spacing groove 20, haulage rope 21, protecting against shock inclined plane 22, adjustment tank 23, adjusting spring 24, pull fixed slot 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 5, the present invention provides a technical solution:
the utility model provides a novel precipitation well bottom plate, a novel precipitation well bottom plate includes: the surface of the bottom plate body 1 is provided with a through hole; the surface of the waterproof steel sleeve 5 is provided with a flange plate and is arranged inside the through hole of the bottom plate body 1, and the waterproof sealing ring 2 is fixed inside the through hole of the bottom plate body 1, and the inner wall of the waterproof steel sleeve is provided with an anti-impact inclined plane 22; the waterproof connecting column 4 is arranged on the surface of the flange plate of the waterproof steel sleeve 5; the connecting limiting plate 6 is arranged inside the waterproof sealing ring 2; the connecting limiting groove 20 is arranged inside the waterproof connecting column 4; the adjusting button 3 is arranged on the surface of the base 1; and the sealing element is arranged between the waterproof sealing ring 2 and the waterproof connecting column 4 and is used for sealing and limiting the waterproof sealing ring 2 and the waterproof connecting column 4.
The invention can be further arranged in such a way that the surface of one side of the waterproof connecting column 4, which is close to the waterproof sealing ring 2, is provided with a connection limiting groove 7, the surface of one side of the waterproof sealing ring 2, which is close to the waterproof connecting column 4, is provided with a movable groove 10, the connection limiting plate 6 is arranged in the movable groove 10, the cross section of the connection limiting groove is of an L-shaped structure, and the connection limiting groove 20 is arranged in the connection limiting groove 7, and the cross section of the connection limiting groove is of an L-shaped structure.
The invention can be further set that the width of the connecting limit groove 7 is equal to that of the movable groove 10 and is larger than the thickness of the connecting limit plate 6, the cross section of the connecting limit groove 20 is of a structure like the Chinese character '21274', and the connecting limit groove 20 is matched with the connecting limit plate 6; the surface of the movable groove 10 is provided with a connecting jacking groove 8, a connecting jacking spring 9 is arranged in the connecting jacking groove 8, the cross section of the connecting jacking groove 8 is of a structure like a Chinese character '\21274', one end of the connecting jacking spring 9 is connected with the innermost surface of the connecting jacking groove 8, and the other end of the connecting jacking spring is connected with one end of the connecting limiting plate 6.
The invention can be further set that an anti-drop groove 12 is arranged on one side surface of the connecting limiting groove 7 and the movable groove 10, the anti-drop groove 12 is in an annular structure, an anti-drop spring 11 is arranged in the anti-drop groove 12, one end of the anti-drop spring 11 is connected with the waterproof sealing ring 2, and when the waterproof connecting column 4 is connected with the waterproof sealing ring 2, the anti-drop spring 11 is in a compressed state; the guide limiting sliding groove 18 is arranged in the center of the innermost side surface of the movable groove 10, the guide limiting sliding block 17 is fixed in the center of the side surface of the connecting limiting plate 6, the guide limiting sliding block 17 is located inside the guide limiting sliding groove 18, and the cross sections of the guide limiting sliding block 17 and the guide limiting sliding groove 18 are of a T-shaped structure.
The sealing element can be further arranged to comprise a protective groove 13, a protective plate 14 matched with the protective groove 13, a sealing groove 15, a first sealing strip 16 and a second sealing strip 19, wherein the protective groove 13 is formed in the surface of the waterproof connecting column 4, the protective plate 14 is fixed on the surface of the waterproof sealing ring 2, the protective groove 13 and the protective plate 14 are both in an annular structure, two groups of protective grooves 13 and two groups of protective plates 14 are arranged, a connecting limiting plate 6, a movable groove 10, a connecting limiting groove 7, an anti-falling spring 11 and an anti-falling groove 12 are arranged between the two groups of protective grooves 13 and the protective plate 14, the sealing grooves 15 are formed in the surfaces of the two sides of the protective groove 13, the first sealing strips 16 are fixed on the surface of the sealing groove 15, the sealing grooves 15 and the first sealing strips 16 are provided with multiple groups, the group of first sealing strips 16 are matched with the two groups of first sealing strips 16 to seal the waterproof sealing ring 2 and the waterproof connecting column 4, the outer side surface and the inner side surface of the protective plate 14 are provided with the second sealing strips 19, and the second sealing strips 19 are distributed linearly; the second sealing strip 19 is arranged at one end of the protection plate 14 far away from the waterproof sealing ring 2, and the first sealing strip 16 is arranged at one end of the protection groove 13 close to the waterproof sealing ring 2.
The invention can be further set that an adjusting groove 23 is arranged on the surface of the bottom plate body 1, the cross section of the adjusting groove 23 is of a structure like the Chinese character 'wu74', an adjusting spring 24 is arranged in the adjusting groove 23, one end of the adjusting spring 24 is connected with an adjusting button 3, the surfaces of two sides of the adjusting groove 23 are provided with traction fixing grooves 25, a traction rope 21 is arranged in the traction fixing groove 25, one end of the traction rope 21 is connected with the adjusting button 3, and the other end of the traction rope passes through the bottom plate body 1 and the waterproof sealing ring 2 and is connected with the connecting limiting plate 6.
A plugging method of a dewatering well comprises the following steps:
s1: before plugging, increasing the precipitation strength around the well to reduce the water level in the well pipe to be plugged to the minimum for plugging, and pumping the precipitation around the precipitation well by using a water pump;
s2: adding a concrete agent into the dewatering well to enable water in the dewatering well to become colloid, settling sand grains and broken stones in the dewatering well and reducing the sand flowing phenomenon, and then adding dry cement on the concrete agent to form a water absorption layer to further inhibit the sand flowing phenomenon, wherein the coagulant is water absorption resin, and the water absorption material is dry cement;
s3: connecting a bottom plate body 1 and a waterproof steel sleeve 5, fixing the bottom plate body 1 above the center of a dewatering well, pressing a disassembly button 3 downwards, driving a traction rope 21 to move inside a traction fixing groove 25 by the disassembly button 3, tightening the traction rope 21, moving a connection limiting plate 6 towards a propping spring 9 by the traction rope 21, moving a waterproof sealing ring 2 and a waterproof connecting column 4, moving the waterproof steel sleeve 5, enabling the connection limiting plate 6 to enter the connection limiting groove 7 until the waterproof connecting column 4 is completely attached to the waterproof sealing ring 2, loosening the disassembly button 3, matching the propping connection limiting plate 6 and the connection limiting groove 20 by the propping spring 9, limiting and fixing the bottom plate body 1 and the waterproof steel sleeve 5, propping the waterproof sealing ring 2 and the waterproof connecting column 4 by an anti-falling spring 11, limiting and fixing the waterproof sealing ring 2 and the waterproof connecting column 4 by the connection limiting plate 6, and sealing the connection limiting column 2 and the waterproof connecting column 4 by matching a first sealing strip 16 and a second sealing strip 19 inside an insertion protection groove 13 of a protection plate 14;
s4: and finally, pouring resin concrete at the precipitation well to achieve a higher waterproof effect.
Through pressing the removal button 3 downwards, then the removal button 3 drives the haulage rope 21 and is drawing fixed slot 25 internal movement, and tighten up haulage rope 21, thereby will connect limiting plate 6 through haulage rope 21 and hold spring 9 to remove towards the top, then with waterproof sealing ring 2 and waterproof spliced pole 4, remove waterproof steel sleeve 5, make and connect limiting plate 6 and get into and connect spacing groove 7 inside, until waterproof spliced pole 4 and waterproof sealing ring 2 laminate completely, loosen removal button 3, then hold spring 9 top and hold and connect limiting plate 6 and be connected spacing groove 20 cooperation, thereby to bottom plate body 1 and waterproof steel sleeve 5 spacing fixed, waterproof sealing ring 2 and waterproof spliced pole 4 are held on anticreep spring 11 top, thereby through connecting limiting plate 6 with waterproof sealing ring 2 and waterproof spliced pole 4 spacing fixed, protective plate 14 grafting protective groove 13 inside and first sealing strip 16 and the cooperation of second sealing strip 19 are sealed spacing to waterproof sealing ring 2 and waterproof spliced pole 4 junction, can accomplish installation bottom plate body 1 and waterproof steel sleeve 5 installation through simple grafting, and easy operation, the installation effectiveness of waterproof steel sleeve 5 has been improved, and the sealing effect is better.
The concrete agent is put into the dewatering well, so that the water in the dewatering well can be changed into colloid, sand grains and broken stones in the colloid are settled, the surging along with the water flow is prevented, the dynamic water pressure and the sand flowing phenomenon are overcome, the water permeability can be reduced when the colloid is adsorbed on the inner wall of the dewatering well, the effective construction is ensured, the silt and the broken stones which can be adsorbed by the colloid can form a scattering structure similar to branches, partial water-absorbing resin is contained in the colloid, the displacement is reduced or prevented, the sand flowing phenomenon is further inhibited, meanwhile, the water seepage from the bottom of the dewatering well is reduced, then, 2m high-dry cement which is added is equivalent to form a water absorbing layer, the water can be continuously absorbed, the colloid is dehydrated, the viscosity of the colloid is higher, the flowability is poorer, the structure formed by the water absorbing layer is more stable, namely, impurities are adsorbed by the colloid, the water is absorbed by the dry cement, and the structures formed by the colloid are mutually crosslinked to form a more stable structure and expand water blocking; the gravel flowing phenomenon can be further inhibited, the resin concrete is poured, the rapid hardening and high strength are realized, the performances of impermeability, corrosion resistance, wear resistance, freeze thawing resistance, adhesion and the like are obviously improved, and the overlarge jacking force of water in the dewatering well on the bottom plate body 1 is effectively prevented.
Although the illustrative embodiments of the present application have been described in order to enable those skilled in the art to understand the present application, the present application is not limited to these embodiments, and various modifications can be made within the spirit and scope of the present application as defined and defined by the appended claims.

Claims (10)

1. The utility model provides a novel precipitation well bottom plate which characterized in that: the novel precipitation well bottom plate includes:
the bottom plate body (1) is provided with a through hole on the surface;
a flange plate is arranged on the surface of the waterproof steel sleeve (5) and is arranged inside the through hole of the bottom plate body (1),
the waterproof sealing ring (2) is fixed in the through hole of the bottom plate body (1), and the inner wall of the waterproof sealing ring is provided with an anti-impact inclined plane (22);
the waterproof connecting column (4) is arranged on the surface of the flange plate of the waterproof steel sleeve (5);
the connecting limiting plate (6) is arranged inside the waterproof sealing ring (2);
the connecting limiting groove (20) is arranged inside the waterproof connecting column (4);
the adjusting button (3) is arranged on the surface of the (1); and
the sealing element is arranged between the waterproof sealing ring (2) and the waterproof connecting column (4), and is limited to the waterproof sealing ring (2) and the waterproof connecting column (4) in a sealing mode.
2. The novel dewatering well bottom plate body as claimed in claim 1, wherein: waterproof spliced pole (4) are close to waterproof sealing ring (2) side surface and have been seted up and connect spacing groove (7), and waterproof sealing ring (2) are close to waterproof spliced pole (4) side surface and have been seted up movable groove (10), connect limiting plate (6) and set up inside movable groove (10), and transversal personally submit "L" font structure, connect spacing groove (20) and set up inside connecting spacing groove (7), and transversal personally submit "L" font structure.
3. The novel dewatering well bottom plate body as claimed in claim 2, wherein: the width of the connecting limiting groove (7) is equal to that of the movable groove (10) and is larger than the thickness of the connecting limiting plate (6), the cross section of the connecting limiting groove (20) is of a structure like the Chinese character '21274', and the connecting limiting groove (20) is matched with the connecting limiting plate (6).
4. The novel dewatering well bottom plate body as claimed in claim 3, wherein: the surface of the movable groove (10) is provided with a connecting jacking groove (8), a connecting jacking spring (9) is arranged in the connecting jacking groove (8), the cross section of the connecting jacking groove (8) is of a structure like the Chinese character '21274', one end of the connecting jacking spring (9) is connected with the innermost side surface of the connecting jacking groove (8), and the other end of the connecting jacking spring is connected with one end of the connecting limiting plate (6).
5. The novel dewatering well bottom plate body as claimed in claim 4, wherein: connect spacing groove (7) and activity groove (10) side surface and seted up anticreep groove (12), and anticreep groove (12) are the loop configuration, and anticreep groove (12) inside is provided with anticreep spring (11), and anticreep spring (11) one end is connected with waterproof sealing ring (2), and when waterproof spliced pole (4) were connected with waterproof sealing ring (2), anticreep spring (11) were in compression state.
6. The novel dewatering well bottom plate body as claimed in claim 5, wherein: the guide limiting sliding groove (18) is arranged in the middle of the innermost side surface of the movable groove (10), a guide limiting sliding block (17) is fixed in the middle of the side surface of the connecting limiting plate (6), the guide limiting sliding block (17) is located inside the guide limiting sliding groove (18), and the cross sections of the guide limiting sliding block (17) and the guide limiting sliding groove (18) are of a T-shaped structure.
7. The novel dewatering well bottom plate body as claimed in claim 6, wherein: the sealing member includes protective tank (13), protective tank (13) complex guard plate (14), seal groove (15), first sealing strip (16) and second sealing strip (19), protective tank (13) are seted up on waterproof spliced pole (4) surface, guard plate (14) are fixed on waterproof sealing ring (2) surface, and protective tank (13) all are the loop configuration with guard plate (14), and protective tank (13) all are provided with two sets ofly with guard plate (14), connect limiting plate (6), activity groove (10), connect spacing groove (7), anticreep spring (11) and anticreep groove (12) all set up between two sets of protective tank (13) and guard plate (14), seal groove (15) are seted up on protective tank (13) both sides surface, first sealing strip (16) are fixed on seal groove (15) surface, anticreep spring (15) and first sealing strip (16) are provided with the multiunit, and a set of first sealing strip (16) and two sets of first sealing strip (16) cooperation are sealed waterproof sealing ring (2) and waterproof sealing ring (4), and the equal inboard second sealing strip (19) of outer side of connecting strip (14) are provided with second sealing strip (19), and second sealing strip distribution.
8. The novel dewatering well bottom plate body as claimed in claim 7, wherein: the second sealing strip (19) is arranged at one end, far away from the waterproof sealing ring (2), of the protection plate (14), and the first sealing strip (16) is arranged at one end, close to the waterproof sealing ring (2), of the protection groove (13).
9. The novel dewatering well bottom plate body as claimed in claim 8, wherein: the surface of the bottom plate body (1) is provided with an adjusting groove 23, the cross section of the adjusting groove 23 is of a structure like a Chinese character '\21274', an adjusting spring 24 is arranged in the adjusting groove 23, one end of the adjusting spring 24 is connected with an adjusting button (3), the surfaces of two sides of the adjusting groove 23 are provided with traction fixing grooves 25, a traction rope 21 is arranged in the traction fixing grooves 25, one end of the traction rope 21 is connected with the adjusting button (3), and the other end of the traction rope passes through the bottom plate body (1) and the waterproof sealing ring (2) and is connected with a connecting limiting plate (6).
10. The plugging method of dewatering well according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1: before plugging, increasing the precipitation strength around the well to reduce the water level in the well pipe to be plugged to the minimum for plugging, and pumping the precipitation around the precipitation well by using a water pump;
s2: adding a concrete agent into the dewatering well to enable water in the dewatering well to become colloid, settling sand grains and broken stones in the dewatering well and reducing the sand flowing phenomenon, and then adding dry cement on the concrete agent to form a water absorption layer to further inhibit the sand flowing phenomenon, wherein the coagulant is water absorption resin, and the water absorption material is dry cement;
s3: the bottom plate body (1) is connected with the waterproof steel sleeve (5), then the bottom plate body (1) is fixed above the center of the dewatering well, the disassembly button (3) is pressed downwards, the disassembly button (3) drives the traction rope 21 to move in the traction fixing groove 25 and tightens the traction rope 21, thereby the connection limit plate (6) is moved towards the propping spring (9) through the traction rope (21), then the waterproof sealing ring (2) and the waterproof connecting column (4) are moved to move the waterproof steel sleeve (5), the connection limit plate (6) enters the connection limit groove (7) until the waterproof connecting column (4) is completely attached to the waterproof sealing ring (2), the disassembly button (3) is loosened, the supporting spring (9) supports the connection limit plate (6) to be matched with the connection limit groove (20), thereby limiting and fixing the bottom plate body (1) and the waterproof steel sleeve (5), the anti-drop spring (11) supports the waterproof sealing ring (2) and the waterproof connecting column (4), thereby the waterproof sealing ring (2) and the waterproof connecting column (4) are limited and fixed through the connecting limiting plate (6), and at the moment, the inside of the protective plate (14) inserted into the protective groove (13) is matched with the first sealing strip (16) and the second sealing strip (19) to limit the sealing of the joint of the waterproof sealing ring (2) and the waterproof connecting column (4);
s4: and finally, resin concrete is poured at the dewatering well to achieve a higher waterproof effect.
CN202211205262.2A 2022-09-30 2022-09-30 Dewatering well bottom plate and dewatering well plugging method Active CN115419096B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005248631A (en) * 2004-03-05 2005-09-15 Kanpai Co Ltd Packer and liquid conveying pipe having it
CN202124865U (en) * 2011-06-22 2012-01-25 南通海洲建设集团有限公司 Quick plugging device for dewatering wellhead of sand-free cement pipe deep well
CN214574070U (en) * 2021-04-22 2021-11-02 江苏固洲基础工程有限公司 Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit
CN113622442A (en) * 2021-08-05 2021-11-09 浙江二十冶建设有限公司 Plugging method for dewatering well
CN217419708U (en) * 2022-03-14 2022-09-13 中建新疆建工(集团)有限公司 Plugging device for dewatering well of building foundation pit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005248631A (en) * 2004-03-05 2005-09-15 Kanpai Co Ltd Packer and liquid conveying pipe having it
CN202124865U (en) * 2011-06-22 2012-01-25 南通海洲建设集团有限公司 Quick plugging device for dewatering wellhead of sand-free cement pipe deep well
CN214574070U (en) * 2021-04-22 2021-11-02 江苏固洲基础工程有限公司 Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit
CN113622442A (en) * 2021-08-05 2021-11-09 浙江二十冶建设有限公司 Plugging method for dewatering well
CN217419708U (en) * 2022-03-14 2022-09-13 中建新疆建工(集团)有限公司 Plugging device for dewatering well of building foundation pit

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