CN215406098U - Water stopping device and grouting anchor cable water stopping system - Google Patents

Water stopping device and grouting anchor cable water stopping system Download PDF

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Publication number
CN215406098U
CN215406098U CN202121817427.2U CN202121817427U CN215406098U CN 215406098 U CN215406098 U CN 215406098U CN 202121817427 U CN202121817427 U CN 202121817427U CN 215406098 U CN215406098 U CN 215406098U
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CN
China
Prior art keywords
water
seal
hole
grouting pipe
stopping device
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Expired - Fee Related
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CN202121817427.2U
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Chinese (zh)
Inventor
管涛
阚生雷
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Beijing Huajiankan Engineering Technology Co ltd
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Beijing Huajiankan Engineering Technology Co ltd
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Priority to CN202121817427.2U priority Critical patent/CN215406098U/en
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Publication of CN215406098U publication Critical patent/CN215406098U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The application relates to a stagnant water device and slip casting anchor rope stagnant water system, it belongs to this technical field of geotechnical engineering, and its design essential lies in: the water stopping device comprises three water stopping seals, is in a circular truncated cone shape, has two spaces in the middle and is divided by the three water stopping seals respectively. By adopting the water stopping device and the grouting anchor cable water stopping system, water can be quickly stopped in anchor cable construction in underground water-rich sections, and the water stopping device and the grouting anchor cable water stopping system have the advantages of low cost, quick effect and the like.

Description

Water stopping device and grouting anchor cable water stopping system
Technical Field
The utility model relates to the technical field of geotechnical engineering, in particular to a water stopping device and a grouting anchor cable water stopping system.
Background
Grouting steel strand anchor cables (such as CN104405423A and CN 204476444U) are common modes for supporting engineering design and construction in the field of geotechnical engineering. However, in actual engineering, as no waterproof data can be referred to and no atlas can be used, most support designs are only handed to foundation pit support units according to common practice, all parties completely give up the design research on grouting and waterproofing of the grouting steel strand anchor cable, so that the anchor cable waterproofing becomes 'three-in-one' and is in the technical blank.
Therefore, it is necessary to develop a water stopping device to provide an effective and fast solution to the problem of grouting and waterproofing of the anchor cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water stopping device and a grouting anchor cable water stopping system, so as to solve the defects of the prior art.
The technical purpose of the utility model is realized by the following technical scheme:
a water stop device comprising: a circular truncated cone-shaped body (hollow), a first water seal, a second water seal and a third water seal;
the left end part and the right end part of the round table-shaped body are respectively provided with a third water seal and a first water seal; a water seal II is also arranged in the round table-shaped body; the third water seal, the second water seal and the first water seal are arranged in parallel;
the right end part and the left end part of the truncated cone-shaped body are both circular, and the radius of the right end part of the truncated cone-shaped body is smaller than that of the left end part of the truncated cone-shaped body;
the third water seal, the second water seal and the circular truncated cone-shaped body form a first space of the water stopping device;
the water seal II, the water seal I and the truncated cone-shaped body form a second space of the water stopping device;
the first water seal is a circular plate which is provided with a grouting pipe hole and a cable hole;
the water seal II is a circular plate which is provided with a grouting pipe hole, a cable hole and a liquid through hole;
and the third water seal is a circular plate which is provided with a grouting pipe hole, a cable hole and a liquid through hole.
The grouting pipe hole of the first water-stop seal, the grouting pipe hole of the second water-stop seal and the grouting pipe hole of the third water-stop seal correspond to each other;
the cable hole of the first water seal, the cable hole of the second water seal and the cable hole of the third water seal correspond to each other;
the distance between the second water seal and the first water seal is smaller than the distance between the third water seal and the second water seal.
Further, the first space of the left water stopping device is larger than the second space of the right water stopping device.
Furthermore, the size of the grouting pipe hole of the first water seal, the size of the grouting pipe hole of the second water seal and the size of the grouting pipe hole of the third water seal are the same.
Furthermore, the size of the cable hole of the first water seal, the size of the cable hole of the second water seal and the size of the cable hole of the third water seal are the same.
Furthermore, the liquid through holes of the second water seal are uniformly distributed along the circumferential direction of the edge part of the second water seal.
Furthermore, the liquid through holes of the third water seal are uniformly distributed along the circumferential direction of the edge part of the second water seal.
Furthermore, the first water seal, the second water seal and the third water seal are all steel sheets.
A grouting anchor cable water stop system comprising: slip casting pipe (4), steel strand wires (5) and aforementioned stagnant water device (11), slip casting pipe (4), steel strand wires (5) pass the stagnant water of stagnant water device (11) respectively and seal slip casting tube hole and the cable hole that two, three are sealed to the stagnant water, and the subsides of stagnant water device are located on the rock lateral wall that slip casting pipe (4), steel strand wires (5) got into.
Furthermore, the diameter of a grouting pipe hole of the water seal is 1-10 mm larger than that of the grouting pipe and the steel strand.
Furthermore, the diameter of a cable hole of the water-stop seal is 1-10 mm larger than that of the steel strand of the grouting pipe.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
first, the source of the water and the measures taken for water stopping: the water is mainly from the following points, namely, the grouting pipe enters a hole in the rock; secondly, the steel strand enters a hole in the rock; during grouting, water is left out of the pores of the rock.
After the water-stop seal is adopted (the purpose of the water-stop seal is not to seal the rock hole of the grouting pipe), the 'grouting pipe hole 801 and the cable hole 802 of the water-stop seal 8 are respectively 1-10 mm larger than the diameters of the grouting pipe and the steel strand', namely, water tends to enter a first space of the water-stop device during grouting; then, when injecting AB liquid into the first space of the water stopping device, the AB liquid can seal the rock holes of the grouting pipes and the rock holes of the steel strands.
Secondly, designing a double-layer water stopping space: the third water seal 10, the second water seal 9 and the truncated cone-shaped body form a first space of the water stopping device; the second water seal 9, the first water seal 8 and the second water seal space formed by the truncated cone-shaped body are respectively provided with a third water seal 10, a second water seal 9 and a first water seal 8 at the left end part, the middle part and the right end part of the truncated cone-shaped body; the water seal III 10, the water seal II 9 and the water seal I8 are arranged in parallel; the right end portion and the left end portion of the circular truncated cone-shaped body are both circular, the radius of the right end portion of the circular truncated cone-shaped body is smaller than that of the left end portion of the circular truncated cone-shaped body, and the purpose of the characteristic matching is as follows: the water stopping effect (substantially, the resistance to water flow) is improved.
Third, the present application is not limited to the AB liquid, and is applicable to materials such as cement.
Drawings
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.
Fig. 1 is a schematic view of a grouting anchor cable water stop system of the present application.
Fig. 2 is a schematic design diagram of the water stopping device of the present application.
Fig. 3 is a sectional view of the water seal.
Fig. 4 is a sectional view of the second water seal.
Fig. 5 is a sectional view of the water seal iii.
The reference numerals of fig. 1-5 are illustrated as follows:
4-grouting pipe, 5-steel strand, 7-rock section, 8-water stop seal I, 801-grouting pipe hole, 802-cable hole, 9-water stop seal II, 901-liquid through hole, 10-water stop seal III, 1001-liquid through hole, water stop device 11, water stop device first space 11-1 and water stop device second space 11-2.
Detailed Description
In a first embodiment, as shown in fig. 1-2, a grouting anchor cable water sealing system includes: the grouting pipe 4 and the steel strand 5 respectively penetrate through a grouting pipe hole and a cable hole of the water stopping device 11, and the water stopping device is attached to the side wall of the rock into which the grouting pipe 4 and the steel strand 5 enter.
Wherein, stagnant water device 11 includes: the water-proof sealing structure comprises a circular truncated cone-shaped body, a first water-proof seal 8, a second water-proof seal 9 and a third water-proof seal 10;
the left end part and the right end part of the round table-shaped body are respectively provided with a water seal III 10 and a water seal I8; a water seal II 9 is also arranged in the circular truncated cone-shaped body; the third water seal 10, the second water seal 9 and the first water seal 8 are arranged in parallel;
the right end part and the left end part of the truncated cone-shaped body are both circular, and the radius of the right end part of the truncated cone-shaped body is smaller than that of the left end part of the truncated cone-shaped body;
the third water seal 10, the second water seal 9 and the truncated cone-shaped body form a first space of the water stopping device;
the water seal II 9, the water seal I8 and the truncated cone-shaped body form a second space of the water stop device;
the first water seal 8 is a circular plate (for example, a circular steel sheet) provided with a grouting pipe hole 801 and a cable hole 802;
the second water seal 9 is a circular plate (for example, a circular steel sheet) provided with a grouting pipe hole, a cable hole and a liquid through hole 901;
the three water seals 10 are circular plates (e.g., circular steel plates) provided with grouting pipe holes, cable holes, and liquid through holes 1001.
The grouting pipe hole 801 of the first water-seal 8, the grouting pipe hole of the second water-seal 9 and the grouting pipe hole of the third water-seal 10 correspond to each other (namely the grouting pipe hole 801 of the first water-seal 8, the grouting pipe hole of the second water-seal 9 and the grouting pipe hole of the third water-seal 10 correspond to the grouting pipe hole penetrating the same grouting pipe and are in a straight line), and the grouting pipe hole 801 of the first water-seal 8, the grouting pipe hole of the second water-seal 9 and the grouting pipe hole of the third water-seal 10 are matched with the grouting pipe 4 in size;
the cable hole 802 of the first water seal 8, the cable hole of the second water seal 9 and the cable hole of the third water seal 10 correspond to each other (namely the cable hole of the first water seal 8, the cable hole of the second water seal 9 and the cable hole of the third water seal 10 are in a straight line when the same steel strand anchor cable is penetrated through correspondingly), and the cable hole of the first water seal 8, the cable hole of the second water seal 9 and the cable hole of the third water seal 10 are matched with the steel strand 5 in size;
specifically, the diameter of the grouting pipe hole 801 and the diameter of the cable hole 802 of the water seal-in-one 8 are respectively 1-10 mm larger than the diameter of the grouting pipe and the diameter of the steel strand.
Specifically, the first space of the water stopping device on the left side is larger than the second space of the water stopping device.
Specifically, the distance between the second water seal 9 and the first water seal 8 is smaller than the distance between the third water seal 9 and the third water seal 10.
The design points of the application lie in the following two points:
first, the source of the water and the measures taken for water stopping: the water is mainly from the following points, namely, the grouting pipe enters a hole in the rock; secondly, the steel strand enters a hole in the rock; during grouting, water is left out of the pores of the rock.
After the water-stop seal is adopted (the purpose of the water-stop seal is not to seal the rock hole of the grouting pipe), the 'grouting pipe hole 801 and the cable hole 802 of the water-stop seal 8 are respectively 1-10 mm larger than the diameters of the grouting pipe and the steel strand', namely, water tends to enter a first space of the water-stop device during grouting; then, when injecting AB liquid into the first space of the water stopping device, the AB liquid can seal the rock holes of the grouting pipes and the rock holes of the steel strands.
Secondly, designing a double-layer water stopping space: the third water seal 10, the second water seal 9 and the truncated cone-shaped body form a first space of the water stopping device; the second water seal 9, the first water seal 8 and the second water seal space formed by the truncated cone-shaped body are respectively provided with a third water seal 10, a second water seal 9 and a first water seal 8 at the left end part, the middle part and the right end part of the truncated cone-shaped body; the water seal III 10, the water seal II 9 and the water seal I8 are arranged in parallel; the right end portion and the left end portion of the circular truncated cone-shaped body are both circular, the radius of the right end portion of the circular truncated cone-shaped body is smaller than that of the left end portion of the circular truncated cone-shaped body, and the purpose of the characteristic matching is as follows: the water stopping effect (substantially, the resistance to water flow) is improved.
In addition, it should be noted that: for the first water seal, the second water seal and the third water seal, the connection with the truncated cone-shaped body can also adopt a welding connection mode.
The working method of the application is as follows: after the grouting pipe 4 and the steel strand 5 penetrate into the rock hole, the water stopping device is arranged in the steel strand and the grouting pipe hole in a penetrating manner, and a water stopping seal is made to be tightly attached to the side wall of the rock; then, AB liquid (namely cement-water glass liquid which belongs to the prior art and is not described) is injected into the liquid through hole of the third water-stop seal, then the AB liquid flows into the second space of the water-stop device from the first space of the water-stop device through the liquid through hole of the second water-stop seal, and finally gaps of all the holes are sealed, so that water stop is realized.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A water stopping device, characterized by comprising: the water-stopping device comprises a circular truncated cone-shaped body, a first water-stopping seal, a second water-stopping seal and a third water-stopping seal;
the left end part and the right end part of the round table-shaped body are respectively provided with a third water seal and a first water seal; a water seal II is also arranged in the round table-shaped body; the third water seal, the second water seal and the first water seal are arranged in parallel;
the right end part and the left end part of the truncated cone-shaped body are both circular, and the radius of the right end part of the truncated cone-shaped body is smaller than that of the left end part of the truncated cone-shaped body;
the third water seal, the second water seal and the circular truncated cone-shaped body form a first space of the water stopping device;
the water seal II, the water seal I and the truncated cone-shaped body form a second space of the water stopping device;
the first water seal is a circular plate which is provided with a grouting pipe hole and a cable hole;
the water seal II is a circular plate which is provided with a grouting pipe hole, a cable hole and a liquid through hole;
the third water seal is a circular plate which is provided with a grouting pipe hole, a cable hole and a liquid through hole;
the grouting pipe hole of the first water-stop seal, the grouting pipe hole of the second water-stop seal and the grouting pipe hole of the third water-stop seal correspond to each other;
the cable hole of the first water seal, the cable hole of the second water seal and the cable hole of the third water seal correspond to each other;
the distance between the second water seal and the first water seal is smaller than the distance between the third water seal and the second water seal.
2. A water stopping device according to claim 1, wherein the first space of the water stopping device on the left side is larger than the second space of the water stopping device on the right side.
3. A water stopping device according to claim 1 or 2, wherein the size of the grouting pipe hole of the first water seal, the size of the grouting pipe hole of the second water seal and the size of the grouting pipe hole of the third water seal are the same.
4. A water stopping device according to claim 1 or 2, wherein the cable holes of the first water stop seal, the second water stop seal and the third water stop seal are the same in size.
5. The water stopping device of claim 1, wherein the liquid through holes of the second water stop seal are uniformly arranged along the circumferential direction of the edge of the second water stop seal.
6. The water stopping device of claim 5, wherein the liquid through holes of the third water stop seal are uniformly arranged along the circumferential direction of the edge part of the second water stop seal.
7. The water stopping device as claimed in claim 1, wherein the first water stop seal, the second water stop seal and the third water stop seal are all steel sheets.
8. A grouting anchor cable water stop system comprising: the grouting pipe (4) and the steel strand (5) are characterized by further comprising a water stopping device (11) according to claim 1, wherein the grouting pipe (4) and the steel strand (5) respectively penetrate through a grouting pipe hole and a rope hole of a first water stop seal, a second water stop seal and a third water stop seal of the water stopping device (11), and the water stopping device is attached to the side wall of a rock into which the grouting pipe (4) and the steel strand (5) enter.
9. The grouting anchor cable water stopping system as claimed in claim 8, wherein the diameter of the grouting pipe hole of the first water stop seal is 1-10 mm larger than that of the grouting pipe and the steel strand.
10. The grouting anchor cable water stopping system as claimed in claim 8, wherein the diameter of the cable hole of the first water stop seal is 1-10 mm larger than that of the steel strand of the grouting pipe.
CN202121817427.2U 2021-08-05 2021-08-05 Water stopping device and grouting anchor cable water stopping system Expired - Fee Related CN215406098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121817427.2U CN215406098U (en) 2021-08-05 2021-08-05 Water stopping device and grouting anchor cable water stopping system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121817427.2U CN215406098U (en) 2021-08-05 2021-08-05 Water stopping device and grouting anchor cable water stopping system

Publications (1)

Publication Number Publication Date
CN215406098U true CN215406098U (en) 2022-01-04

Family

ID=79657395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121817427.2U Expired - Fee Related CN215406098U (en) 2021-08-05 2021-08-05 Water stopping device and grouting anchor cable water stopping system

Country Status (1)

Country Link
CN (1) CN215406098U (en)

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Granted publication date: 20220104