CN115162274A - Hydraulic engineering diaphragm wall and construction method thereof - Google Patents

Hydraulic engineering diaphragm wall and construction method thereof Download PDF

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Publication number
CN115162274A
CN115162274A CN202210988161.0A CN202210988161A CN115162274A CN 115162274 A CN115162274 A CN 115162274A CN 202210988161 A CN202210988161 A CN 202210988161A CN 115162274 A CN115162274 A CN 115162274A
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concrete
wall
column
water
hydraulic engineering
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CN202210988161.0A
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胡洪川
黄婷
邓小川
夏先林
邓灿
邓洁
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Sichuan Yushuo Construction Engineering Group Co ltd
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Sichuan Yushuo Construction Engineering Group Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16Sealings or joints
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18Bulkheads or similar walls made solely of concrete in situ

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The application relates to a hydraulic engineering cut-off wall and a construction method thereof, which belong to the technical field of hydraulic engineering, wherein the cut-off wall comprises concrete cylinders and concrete walls, the diameter of each concrete cylinder is greater than the thickness of each concrete wall, each concrete wall is positioned between two adjacent concrete cylinders, and the side surface of each concrete wall facing the corresponding concrete cylinder is a circular arc surface coated outside the corresponding concrete cylinder. The concrete column can support the concrete wall, and can reduce the engineering quantity and material consumption of the concrete wall under the condition of ensuring the structural strength of the concrete wall; meanwhile, the circular arc surface of the concrete wall body can reduce water seepage between the concrete column body and the concrete wall body. The concrete column body is matched with the concrete wall body, so that the construction quality and the engineering strength of the impervious wall are improved, and the impervious reinforcing effect on hydraulic engineering can be achieved.

Description

Hydraulic engineering diaphragm wall and construction method thereof
Technical Field
The application relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering diaphragm wall and a construction method thereof.
Background
The impervious wall is a continuous wall built in a loose permeable layer or an earth-rock dam (weir) for seepage prevention, the seepage prevention and reinforcement is a main engineering measure for treating the dangerous reservoir dam, and the commonly used seepage prevention and reinforcement technology in the engineering mainly comprises grouting seepage prevention and reinforcement technology and seepage wall reinforcement technology. The high-strength concrete or plastic concrete impervious wall technology is widely applied to the aspects of danger removal and reinforcement of dam engineering, and obtains good benefits.
The existing impervious wall is formed by drilling a round hole or directly excavating a slotted hole by using a special machine, pouring concrete, backfilling clay or other impervious materials and the like in the hole or installing precast concrete components. Or the diaphragm wall can be formed continuously by various pile bodies such as sheet piles, cast-in-place piles, jet grouting piles, fixed-jet grouting piles and the like. A clay water intercepting tank for a shallow permeable foundation, and a reverse filtering layer is arranged at the downstream; the deeper permeable foundation uses the slot hole type and pile column body cut-off wall, the slot hole type cut-off wall is cup jointed by a section of slot hole, the pile column body cut-off wall is cup jointed by the individual pile.
However, after the impervious wall is formed, the impervious wall inevitably sinks along with the passage of time, the stretching of time length, some terrain changes and other comprehensive reasons, and the seepage phenomenon of the dam can be effectively reduced after the impervious wall sinks to a certain extent.
Disclosure of Invention
In order to improve the construction quality of the impervious wall, the application provides the hydraulic engineering impervious wall and the construction method thereof.
The utility model provides a hydraulic engineering cut-off wall who provides of purpose adopts following technical scheme:
the hydraulic engineering diaphragm wall comprises concrete columns and a concrete wall body, wherein the diameter of each concrete column is larger than the thickness of each concrete wall body, each concrete wall body is located between every two adjacent concrete columns, and the side face, facing the concrete columns, of each concrete wall body is an arc surface coated outside the corresponding concrete column body.
By adopting the technical scheme, the diameter of the concrete column body is larger than the thickness of the concrete wall body, and the side surface of the concrete wall body facing the concrete column body is an arc surface coated outside the concrete column body; the concrete column can support the concrete wall, and can reduce the engineering quantity and material consumption of the concrete wall under the condition of ensuring the structural strength of the concrete wall; meanwhile, the circular arc surface of the concrete wall body can reduce water seepage between the concrete column body and the concrete wall body. The concrete column body is matched with the concrete wall body, so that the construction quality and the engineering strength of the impervious wall are improved, and the impervious reinforcing effect on hydraulic engineering can be achieved.
Optionally, the concrete column body includes a column reinforcement cage, and a plurality of first abutting reinforcements are fixedly connected to the column reinforcement cage; the concrete wall body includes wall body steel reinforcement cage, wall body steel reinforcement cage is located concrete wall body's arc surface department fixedly connected with and first butt reinforcing bar looks butt's second butt reinforcing bar.
Through adopting above-mentioned technical scheme, first butt reinforcing bar cooperatees with the second butt reinforcing bar, can make cylinder steel reinforcement cage to the better support of wall body steel reinforcement cage to make the concrete cylinder better to concrete wall's support effect.
Optionally, the length direction of the first abutting reinforcing steel bars is arranged along the thickness direction of the concrete wall, and the second abutting reinforcing steel bars are perpendicular to the first abutting reinforcing steel bars.
Through adopting above-mentioned technical scheme, second butt reinforcing bar is mutually perpendicular with first butt reinforcing bar, can reduce the condition that first butt reinforcing bar appears buckling to let first butt reinforcing bar better to the supported effect of second butt reinforcing bar.
Optionally, two adjacent first butt reinforcing bars are fixedly connected with connecting reinforcing bars, and the second butt reinforcing bars are fixedly connected with reinforcing bars between the wall body steel reinforcement cages.
By adopting the technical scheme, the structural strength between the first butt joint reinforcing steel bars can be enhanced by utilizing the connecting reinforcing steel bars, so that the bending condition of the first butt joint reinforcing steel bars is reduced; utilize the reinforcing bar can strengthen the structural strength between second butt reinforcing bar and the wall body steel reinforcement cage to reduce the condition that the second butt reinforcing bar appeared buckling.
Optionally, the outer fixedly connected with stagnant water steel sheet of cylinder steel reinforcement cage, the outer fixedly connected with manger plate steel sheet of wall body steel reinforcement cage, the stagnant water steel sheet with manger plate steel sheet mutual joint in vertical direction.
By adopting the technical scheme, the water stop steel plate is used for preventing water from permeating into the dam through the concrete column body, and the water stop steel plate is used for preventing water from permeating into the dam through the concrete wall body; the clamping structure can improve the water retaining tightness between the water retaining steel plate and the water retaining steel plate, thereby having better seepage-proofing effect on hydraulic engineering.
Optionally, a concave groove is formed in the water-retaining steel plate and at the joint with the water-retaining steel plate, and a water-absorbing expansion type water-stopping strip is arranged in the concave groove.
By adopting the technical scheme, the water-absorbing expansion type water stop strip can be better placed in the sunken groove, the water-absorbing expansion type water stop strip can better absorb water and expand after water permeates, and gaps between the water stop steel plate and the water stop steel plate are plugged, so that the situation that water permeates into the dam is reduced.
Optionally, the surfaces of the water stop steel plate and the water stop steel plate are both frosted surfaces.
By adopting the technical scheme, the bonding degree of the concrete slurry with the water stop steel plate and the water retaining steel plate is improved, and the structural stability of the whole anti-seepage wall is effectively improved.
Another purpose of this application is that a construction method of hydraulic engineering cut-off wall that provides adopts following technical scheme:
a construction method of a hydraulic engineering impervious wall comprises the following steps:
adopting an engineering tapping machine to perform tapping operation on the column hole;
placing the column reinforcement cage into the column hole, and injecting the manufactured concrete slurry into the column hole to complete the manufacture of a first concrete column;
after the concrete slurry of the first concrete column is solidified, manufacturing a second concrete column adjacent to the first concrete column;
adopting a hydraulic grab bucket to perform grooving operation on a wall groove between the first concrete cylinder and the second concrete cylinder;
placing a wall reinforcement cage into a wall groove, injecting the manufactured concrete slurry into the wall groove to complete the manufacture of the concrete wall, and enabling two side parts of the concrete wall to be coated outside the concrete column body;
and repeating the steps to manufacture the impervious wall.
By adopting the technical scheme, the concrete column can support the concrete wall, and the engineering quantity and the material consumption of the concrete wall forming can be reduced under the condition of ensuring the structural strength of the concrete wall; meanwhile, the arc surface of the concrete wall body can reduce water seepage between the concrete column body and the concrete wall body. The concrete column body is matched with the concrete wall body, so that the construction quality and the engineering strength of the impervious wall are improved, and the impervious reinforcing effect on hydraulic engineering can be achieved.
Optionally, in the step of opening the cylinder hole, the method further comprises the following steps:
detecting the column body hole by adopting an underground sound wave detector, and detecting whether the column body hole is qualified or not;
and after the column body hole is detected to be qualified, extracting slurry in the column body hole by adopting a barrel-extracting and slag-discharging method.
By adopting the technical scheme, the unqualified condition of the opened cylinder hole can be reduced, and the manufacturing quality of the concrete cylinder is improved.
Optionally, before the grooving step of the wall groove, the method further comprises the following steps:
and detecting the quality of the first concrete cylinder and the second concrete cylinder by adopting a geological radar, and performing grooving operation on the wall groove after the quality of the concrete cylinders is detected to be qualified.
By adopting the technical scheme, the condition that the quality of the concrete column body is unqualified can be reduced, so that the construction quality and the engineering strength of the impervious wall are improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the concrete column can support the concrete wall, and the engineering quantity and the material consumption of the concrete wall forming can be reduced under the condition of ensuring the structural strength of the concrete wall; meanwhile, the circular arc surface of the concrete wall body can reduce water seepage between the concrete column body and the concrete wall body. The concrete column body is matched with the concrete wall body, so that the construction quality and the engineering strength of the impervious wall are improved, and the impervious reinforcing effect on hydraulic engineering can be realized;
2. the first abutting reinforcing steel bars are matched with the second abutting reinforcing steel bars, so that the column body reinforcing steel bar cage can better support the wall body reinforcing steel bar cage, and the concrete column body can better support the concrete wall body;
3. the water stop steel plate is used for preventing water from permeating into the dam through the concrete column body, and the water stop steel plate is used for preventing water from permeating into the dam through the concrete wall body; the clamping structure can improve the water retaining tightness between the water retaining steel plate and the water retaining steel plate, thereby having better seepage-proofing effect on hydraulic engineering.
Drawings
FIG. 1 is a schematic structural view of a hydraulic engineering diaphragm wall according to an embodiment of the application;
fig. 2 is a partial sectional view of a concrete column and a concrete wall body in the hydraulic engineering diaphragm wall according to the embodiment of the application;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a method flowchart of a construction method of a hydraulic engineering diaphragm wall according to an embodiment of the application.
Description of reference numerals: 1. a concrete column; 11. a cylindrical reinforcement cage; 12. a first abutting reinforcement; 2. a concrete wall; 21. a wall body reinforcement cage; 22. a second abutting reinforcement; 3. reinforcing steel bars; 4. a water stop steel plate; 5. a water retaining steel plate; 6. a recessed groove; 7. water-absorbing expansion type water stop strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-4 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses hydraulic engineering cut-off wall, refer to fig. 1, this cut-off wall includes concrete cylinder 1 and concrete wall 2, and the diameter of concrete cylinder 1 is greater than concrete wall 2's thickness, and concrete wall 2 is located between two adjacent concrete cylinders 1, and concrete wall 2 is the arc surface of cladding outside concrete cylinder 1 towards the side of concrete cylinder 1. In this embodiment, the diameter of the concrete column 1 is 1.5 to 2.5 times the thickness of the concrete wall 2, and the length of the concrete wall 2 is 13 to 20 times the diameter of the concrete column 1. Since the concrete wall 2 is poured after casting, the arc surface of the concrete wall 2 can be adhered to the circumferential surface of the concrete column 1.
Referring to fig. 1 and 2, in order to make the concrete column 1 support the concrete wall 2 better, the concrete column 1 includes a column reinforcement cage 11, and a plurality of first abutting reinforcements 12 are fixedly connected to the column reinforcement cage 11; concrete wall 2 includes wall body steel reinforcement cage 21, and wall body steel reinforcement cage 21 is located concrete wall 2's arc surface department fixedly connected with and the second butt reinforcing bar 22 of first butt reinforcing bar 12 looks butt. In this embodiment, the first abutting reinforcement 12 is fixed to the cylindrical reinforcement cage 11 by a steel wire tie, or may be fixed to the cylindrical reinforcement cage 11 by welding; the second abutting reinforcing steel bars 22 are fixed on the wall reinforcing steel bar cage 21 by adopting a steel wire binding tape, and can also be fixed on the wall reinforcing steel bar cage 21 by adopting a welding mode. Cooperate through first butt reinforcing bar 12 and second butt reinforcing bar 22, can make cylinder steel reinforcement cage 11 better support to wall body steel reinforcement cage 21 to it is better to make the concrete cylinder 1 to concrete wall 2's supporting effect.
Referring to fig. 1 and 2, in order to make the first abutting reinforcing bars 12 have a better supporting effect on the second abutting reinforcing bars 22, the length direction of the first abutting reinforcing bars 12 is arranged along the thickness direction of the concrete wall 2, and the second abutting reinforcing bars 22 are perpendicular to the first abutting reinforcing bars 12. In this embodiment, the second abutting reinforcing bar 22 is perpendicular to the first abutting reinforcing bar 12, so that the bending of the first abutting reinforcing bar 12 can be reduced, and the supporting effect of the first abutting reinforcing bar 12 on the second abutting reinforcing bar 22 is better.
Referring to fig. 1 and 2, a connecting reinforcement (not shown) is fixedly connected between two adjacent first abutting reinforcements 12, and a reinforcing reinforcement 3 is fixedly connected between the second abutting reinforcement 22 and the wall reinforcement cage 21. In this embodiment, the connecting bars and the first abutting bars 12 are fixed by welding, and the reinforcing bars 3, the second abutting bars 22 and the wall reinforcement cage 21 are also fixed by welding. The structural strength between the first abutting reinforcing steel bars 12 can be enhanced through the connecting reinforcing steel bars, so that the bending of the first abutting reinforcing steel bars 12 is reduced; the reinforcing steel bars 3 can be used for enhancing the structural strength between the second abutting steel bars 22 and the wall body steel reinforcement cage 21, so that the bending of the second abutting steel bars 22 is reduced.
Referring to fig. 2 and 3, in order to ensure that the diaphragm wall has a better anti-seepage effect on hydraulic engineering, the outer part of the column steel reinforcement cage 11 is fixedly connected with a water stop steel plate 4, the outer part of the wall steel reinforcement cage 21 is fixedly connected with a water stop steel plate 5, and the water stop steel plate 4 and the water stop steel plate 5 are mutually clamped in the vertical direction. In this embodiment, the water-stop steel plate 4 and the column reinforcement cage 11 are fixed by welding, and the water-stop steel plate 5 and the wall reinforcement cage 21 are also fixed by welding. The water stop steel plate 4 is used for preventing water from permeating into the dam through the concrete column body 1, and the water stop steel plate 5 is used for preventing water from permeating into the dam through the concrete wall body 2; the clamping structure can improve the water retaining tightness between the water retaining steel plate 4 and the water retaining steel plate 5, thereby having better seepage-proofing effect on hydraulic engineering.
Referring to fig. 2 and 3, in order to reduce the water infiltration into the dam, a concave groove 6 is formed in the water-retaining steel plate 5 and the joint with the water-retaining steel plate 4, and a water-absorbing expansion type water stop strip 7 is arranged in the concave groove 6. In this embodiment, the water-absorbing expansion type water stop strip 7 can be better placed through the concave groove 6, the water-absorbing expansion type water stop strip 7 can better absorb water and expand after water permeates, and gaps between the water stop steel plate 4 and the water stop steel plate 5 are blocked, so that the situation that water permeates into the dam is reduced. The surfaces of the water stop steel plate 4 and the water retaining steel plate 5 are frosted surfaces, so that the bonding degree of the concrete slurry with the water stop steel plate 4 and the water retaining steel plate 5 can be improved, and the structural stability of the whole anti-seepage wall is effectively improved.
The implementation principle of a hydraulic engineering cut-off wall in the embodiment of the application is as follows: because the diameter of the concrete column body 1 is larger than the thickness of the concrete wall body 2, and the side surface of the concrete wall body 2 facing the concrete column body 1 is an arc surface coated outside the concrete column body 1; thus, the concrete column body 1 can support the concrete wall body 2, and the engineering quantity and the material consumption of the concrete wall body 2 can be reduced under the condition of ensuring the structural strength of the concrete wall body 2; meanwhile, the circular arc surface of the concrete wall body 2 can reduce water seepage between the concrete column body 1 and the concrete wall body 2. The concrete column body 1 is matched with the concrete wall body 2, so that the construction quality and the engineering strength of the impervious wall are improved, and the impervious reinforcing effect on hydraulic engineering can be achieved.
The embodiment of the application also discloses a construction method of the hydraulic engineering diaphragm wall, and the construction method comprises the following steps with reference to fig. 4:
and S1, adopting an engineering tapping machine to perform tapping operation on the cylindrical hole. In step S1, the engineering tapping machine suspends the impact drill by using a hoisting device such as a crane to drill the dam.
In the step of drilling the cylinder hole, firstly, detecting the cylinder hole by using an underground acoustic detector to detect whether the cylinder hole is qualified; the underground sound wave detector adopts ultrasonic television imaging to scan the periphery of the cylindrical hole and record echo waveforms, so that whether the cylindrical hole is qualified or not is judged. After the cylinder hole is detected to be qualified, extracting slurry in the cylinder hole by adopting a bucket-extracting deslagging method; the unqualified condition of the column body hole that appears can be reduced to improve the preparation quality of concrete column body 1.
And S2, placing the column reinforcement cage 11 into the column hole, and injecting the manufactured concrete slurry into the column hole to finish the manufacture of the first concrete column 1. In step S2, commercial concrete may be poured into the column hole and the column reinforcement cage 11 through a guide pipe by using pumping equipment such as a pumping truck, and in the process of pouring, the concrete slurry is stirred by using a stirring device, so that no air bubbles are generated.
And S3, after the concrete slurry of the first concrete column body 1 is solidified, manufacturing a second concrete column body 1 adjacent to the first concrete column body 1.
And S4, adopting a hydraulic grab bucket to perform grooving operation on the wall body groove between the first concrete column 1 and the second concrete column 1.
It should be noted that, before the grooving step of the wall groove, a geological radar is needed to detect the quality of the first concrete column 1 and the second concrete column 1; the geological radar adopts the ultrahigh frequency electromagnetic wave to detect the medium distribution of the concrete cylinder 1, so as to judge whether the manufactured concrete cylinder 1 is qualified. After the quality of the concrete column body 1 is detected to be qualified, the grooving operation of the wall body groove is carried out, so that the condition that the quality of the concrete column body 1 is unqualified can be reduced, and the construction quality and the engineering strength of the impervious wall are improved.
And S5, placing the wall reinforcement cage 21 into a wall groove, injecting the manufactured concrete slurry into the wall groove to complete the manufacture of the concrete wall 2, and enabling the two side parts of the concrete wall 2 to be coated outside the concrete column 1. In the step S5, the concrete column 1 and the concrete wall 2 are both prepared by mixing cement mortar, a preservative and a water reducing agent, the cement mortar is prepared by mixing and stirring portland cement and sand stone, the preservative is one of fly ash or mineral powder, and the preservative is added into the cement mortar, so that the corrosion resistance of the cement is favorably improved, and the service life of the impervious wall is prolonged; meanwhile, the water reducing agent is added into the cement mortar, so that the water content in the cement mortar is reduced, and the construction quality of the impervious wall is improved.
And S6, repeating the steps to manufacture the impervious wall.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims (10)

1. The utility model provides a hydraulic engineering cut-off wall, its characterized in that, includes concrete cylinder (1) and concrete wall (2), the diameter of concrete cylinder (1) is greater than the thickness of concrete wall (2), concrete wall (2) are located adjacent two between concrete cylinder (1), concrete wall (2) are towards the side of concrete cylinder (1) for the cladding in the outer arc surface of concrete cylinder (1).
2. The hydraulic engineering diaphragm wall of claim 1, wherein the concrete column (1) comprises a column reinforcement cage (11), and a first abutting reinforcement (12) is fixedly connected to the column reinforcement cage (11); concrete wall (2) include wall body steel reinforcement cage (21), wall body steel reinforcement cage (21) are located second butt reinforcing bar (22) of the arc surface fixedly connected with of concrete wall (2) department and first butt reinforcing bar (12) looks butt.
3. The hydraulic engineering diaphragm wall of claim 2, wherein the length direction of the first abutting reinforcing steel bar (12) is arranged along the thickness direction of the concrete wall body (2), and the second abutting reinforcing steel bar (22) is perpendicular to the first abutting reinforcing steel bar (12).
4. The hydraulic engineering diaphragm wall of claim 2 or 3, wherein a connecting steel bar is fixedly connected between two adjacent first abutting steel bars (12), and a reinforcing steel bar (3) is fixedly connected between the second abutting steel bar (22) and the wall body steel reinforcement cage (21).
5. The hydraulic engineering cut-off wall of claim 2, characterized in that a water-stopping steel plate (4) is fixedly connected to the outside of the column reinforcement cage (11), a water-retaining steel plate (5) is fixedly connected to the outside of the wall reinforcement cage (21), and the water-stopping steel plate (4) and the water-retaining steel plate (5) are clamped with each other in the horizontal direction.
6. The hydraulic engineering cut-off wall according to claim 5, wherein a concave groove (6) is formed in the joint of the water-retaining steel plate (5) and the water-retaining steel plate (4), and a water-absorbing expansion type water-stopping strip (7) is arranged in the concave groove (6).
7. The hydraulic engineering diaphragm wall of claim 5, characterized in that the surface of the water-stopping steel plate (4) and the surface of the water-stopping steel plate (5) are both frosted surfaces.
8. A construction method of a hydraulic engineering impervious wall is characterized by comprising the following steps:
adopting an engineering tapping machine to perform tapping operation on the column hole;
placing the column reinforcement cage (11) into the column hole, and injecting the manufactured concrete slurry into the column hole to complete the manufacture of the first concrete column (1);
after the concrete slurry of the first concrete column body (1) is solidified, manufacturing a second concrete column body (1) adjacent to the first concrete column body (1);
adopting a hydraulic grab bucket to perform grooving operation on a wall groove between the first concrete cylinder (1) and the second concrete cylinder (1);
placing the wall reinforcement cage (21) into a wall groove, injecting the manufactured concrete slurry into the wall groove to complete the manufacture of the concrete wall (2), and enabling two side parts of the concrete wall (2) to be coated outside the concrete column body (1);
and repeating the steps to manufacture the impervious wall.
9. The construction method of the hydraulic engineering impervious wall according to claim 8, wherein in the step of opening the column hole, the method further comprises the following steps:
detecting the column body hole by adopting an underground sound wave detector, and detecting whether the column body hole is qualified or not;
and after the column hole is detected to be qualified, extracting the slurry in the column hole by adopting a bucket-extracting deslagging method.
10. The construction method of the hydraulic engineering impervious wall according to claim 8, wherein before the grooving step of the wall groove, the construction method further comprises the following steps:
and (2) detecting the quality of the first concrete cylinder (1) and the second concrete cylinder (1) by adopting a geological radar, and performing grooving operation on the wall groove after the quality of the concrete cylinders (1) is detected to be qualified.
CN202210988161.0A 2022-08-17 2022-08-17 Hydraulic engineering diaphragm wall and construction method thereof Pending CN115162274A (en)

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Application Number Priority Date Filing Date Title
CN202210988161.0A CN115162274A (en) 2022-08-17 2022-08-17 Hydraulic engineering diaphragm wall and construction method thereof

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Application Number Priority Date Filing Date Title
CN202210988161.0A CN115162274A (en) 2022-08-17 2022-08-17 Hydraulic engineering diaphragm wall and construction method thereof

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CN115162274A true CN115162274A (en) 2022-10-11

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561404A (en) * 2012-03-16 2012-07-11 中建八局第三建设有限公司 Steel reinforced concrete column type joint and construction method of underground diaphragm wall using same
CN106948504A (en) * 2017-04-27 2017-07-14 中国十七冶集团有限公司 Assembled wallboard water seepage prevention vertical abutment joint structure and its construction method
CN113756285A (en) * 2021-09-17 2021-12-07 山东源基建设工程有限公司 Cement-soil impervious wall and construction method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561404A (en) * 2012-03-16 2012-07-11 中建八局第三建设有限公司 Steel reinforced concrete column type joint and construction method of underground diaphragm wall using same
CN106948504A (en) * 2017-04-27 2017-07-14 中国十七冶集团有限公司 Assembled wallboard water seepage prevention vertical abutment joint structure and its construction method
CN113756285A (en) * 2021-09-17 2021-12-07 山东源基建设工程有限公司 Cement-soil impervious wall and construction method thereof

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