CN112854211A - Waterproof plugging construction method for drilling hole of anchoring end of anti-floating anchor rod - Google Patents
Waterproof plugging construction method for drilling hole of anchoring end of anti-floating anchor rod Download PDFInfo
- Publication number
- CN112854211A CN112854211A CN202110283829.7A CN202110283829A CN112854211A CN 112854211 A CN112854211 A CN 112854211A CN 202110283829 A CN202110283829 A CN 202110283829A CN 112854211 A CN112854211 A CN 112854211A
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- China
- Prior art keywords
- anchor rod
- construction method
- waterproof
- pvc sleeve
- floating anchor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
- E02D2300/0032—Steel; Iron in sheet form, i.e. bent or deformed plate-material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0098—Bitumen
Abstract
The invention relates to the technical field of construction of building structure engineering, in particular to a waterproof plugging construction method for a drilling hole at an anchoring end of an anti-floating anchor rod, which specifically comprises the following steps: the anti-floating anchor rod anchoring end is formed by fixedly welding a first anchor rod rib, a second anchor rod rib and a third anchor rod rib, the water-stop steel plate is continuously welded on the third anchor rod rib in a full welding mode, the PVC sleeve is sleeved outside the third anchor rod rib, the part of the inner part of the PVC sleeve and the periphery of the anchor rod hole are cleaned, then the lower end of the third anchor rod rib penetrates through and is anchored into the raft cushion, the PVC sleeve is located above the raft cushion, and non-solidified asphalt is poured into the PVC sleeve.
Description
Technical Field
The invention relates to the field of construction of building structure engineering, in particular to a waterproof plugging construction method for a drilling hole at an anchoring end of an anti-floating anchor rod.
Background
In order to meet the requirements of building design, an anti-floating anchor rod is usually adopted to resist the buoyancy of the underground water level to the building, so that the safety and stability of the underground structure of the building engineering are ensured. The anti-floating common pile foundation is arranged below the raft foundation and anchored into the raft foundation, and the main construction processes comprise drilling, sediment removal, grouting and anchor rod setting. The anti-floating anchor rod construction technology also becomes a key construction period of the underground structure construction sequence. Anti-floating anchor rod mainly is formed by major diameter reinforcing bar processing, consequently must carry out necessary waterproof anticorrosive treatment to the stock body of rod, stock tip has higher requirement to waterproof simultaneously, in preventing groundwater from flowing the stock drilling outside the hole along the body of rod, cause the corruption to the stock, destroy the anti-floating effect of anti-floating anchor rod to the building, consequently, the waterproofing measure of anti-floating anchor rod tip drilling hole and basic bed course joint department will be effective reliable, the simultaneous operation is convenient, do benefit to the construction, guarantee the time limit for a project node of anti-floating anchor rod construction.
At present, a method for waterproofing a hole drilled at the end part of an anti-floating anchor rod is to coat non-cured asphalt along the rod body direction, wind a water-swelling water stop strip of about 6 cm along the rod body direction, then repair the root of the rod body to be flat by waterproof mortar, coat a non-cured asphalt waterproof coating for three times along the outer expansion of 15 cm of the center of the anchor rod after the waterproof mortar is solidified and dried, and lay and stick a waterproof coiled material after the waterproof coiled material is dried.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a waterproof plugging construction method for a drilling hole at an anchoring end of an anti-floating anchor rod.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a construction method for waterproof plugging of a drilling hole of an anchoring end of an anti-floating anchor rod specifically comprises the following steps:
s1, fixedly welding the first anchor rod rib, the second anchor rod rib and the third anchor rod rib to form an anti-floating anchor rod anchoring end;
s2, welding the water stop steel plate on the third anchor rod rib by adopting continuous full-weld;
s3, sleeving a PVC sleeve outside the third anchor rod bar, cleaning the inner part of the PVC sleeve and the periphery of the anchor rod hole drill hole, and then penetrating and anchoring the lower end of the third anchor rod bar into a raft cushion layer to enable the PVC sleeve to be located above the raft cushion layer;
s4, pouring non-solidified asphalt into the PVC sleeve, firstly, injecting the non-solidified asphalt into the anti-floating anchor rod drill hole, then, outwards, pouring the asphalt layer by layer;
s5, paving the self-adhesive modified asphalt waterproof coiled material on the top of the raft cushion layer, paving the self-adhesive modified asphalt waterproof coiled material on the anti-floating anchor rod, and turning over the self-adhesive modified asphalt waterproof coiled material to wrap the PVC sleeve filled with the non-cured asphalt.
Preferably, first stock pole muscle and second stock pole muscle are provided with two, third stock pole muscle is provided with one, two first stock pole muscle is the level setting, third stock pole muscle is vertical setting, two the equal fixed connection in the upper end of third stock pole muscle of one end of second stock pole muscle, the other end of second stock pole muscle respectively with the one end fixed connection of two first stock pole muscle.
Preferably, the outer side of the PVC sleeve is provided with a waterproof additional layer.
Preferably, the water stop steel plate is positioned above the PVC sleeve.
Preferably, the PVC sleeve has a sleeve height of about 2 cm and a diameter of 10-15 cm.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the water stop steel plate is continuously welded on the third anchor rod bar by full welding, so that the upper water is favorably prevented from flowing down along the rod bar, the waterproof construction of the end part is further facilitated after the grouting construction of the anchor rod is completed, then the lower end of the third anchor rod bar penetrates through and is anchored into the raft cushion, the non-solidified asphalt is poured into the PVC sleeve in layers, and finally the waterproof additional layer is prepared, so that the drilling hole at the end part of the floating anchor rod can be effectively resisted for water prevention.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention.
In the figure: first stock pole muscle 1, second stock pole muscle 2, third stock pole muscle 3, stagnant water steel sheet 4, non-cured asphalt 5, PVC sleeve 6, self-adhesion modified asphalt waterproofing membrane 7, waterproof additional layer 8, raft bed course 9.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The construction method for waterproof plugging of the drilling hole of the anchoring end of the anti-floating anchor rod, as shown in the figures 1-2, specifically comprises the following steps:
s1, fixedly welding the first anchor rod rib 1, the second anchor rod rib 2 and the third anchor rod rib 3 to form an anti-floating anchor rod anchoring end;
s2, continuously welding the water stop steel plate 4 on the third anchor rod rib 3 in a full-welding mode, so that the water seepage path can be effectively blocked by the water stop steel plate 4, the arranged water stop steel plate 4 is beneficial to preventing upper water from flowing downwards along the rod rib, and further end waterproof construction is conveniently carried out after anchor rod grouting construction is finished;
s3, sleeving the PVC sleeve 6 outside the third anchor rod rib 3, cleaning the part of the inner cushion layer of the PVC sleeve 6 and the periphery of the anchor rod hole drill hole, and then penetrating and anchoring the lower end of the third anchor rod rib 3 into the raft cushion layer 9 to enable the PVC sleeve 6 to be located above the raft cushion layer 9;
s4, pouring non-cured asphalt 5 into the PVC sleeve 6, firstly, injecting the non-cured asphalt 5 into the anti-floating anchor rod drill hole, then, pouring the non-cured asphalt 5 outwards in a layered manner, and the problem of waterproof reliability can be greatly improved due to the arrangement of the non-cured asphalt 5;
s5, paving the self-adhesive modified asphalt waterproof coiled material 7 on the top of the raft cushion layer 9, paving the self-adhesive modified asphalt waterproof coiled material 7 on the anti-floating anchor rod, and turning over the self-adhesive modified asphalt waterproof coiled material 7 to wrap the PVC casing 6 filled with the non-cured asphalt 5.
First stock pole muscle 1 and second stock pole muscle 2 are provided with two, third stock pole muscle 3 is provided with one, two first stock pole muscle 1 are the level setting, third stock pole muscle 3 is vertical setting, the equal fixed connection in the upper end of third stock pole muscle 3 of the one end of two second stock pole muscle 2, the other end of second stock pole muscle 2 respectively with the one end fixed connection of two first stock pole muscle 1, stagnant water steel sheet 4 is located the top of PVC sleeve pipe 6, the sleeve pipe height of PVC sleeve pipe 6 is about 2 centimetres, the diameter is 10-15 centimetres, the outside of PVC sleeve pipe 6 is equipped with waterproof additional layer 8.
The working principle of the invention is as follows:
according to the attached drawings 1-2 of the specification, firstly, a first anchor rod rib 1, a second anchor rod rib 2 and a third anchor rod rib 3 are fixedly welded to form an anti-floating anchor rod anchoring end, a water stop steel plate 4 is welded on the third anchor rod rib 3 in a continuous full-weld mode, the arranged water stop steel plate 4 is beneficial to preventing upper water from flowing down along the rod ribs, further, after the anchor rod grouting construction is finished, end waterproof construction is conveniently carried out, a PVC sleeve 6 is sleeved outside the third anchor rod rib 3, a bedding part inside the PVC sleeve 6 and the periphery of a drilled hole of the anchor rod are cleaned, then the lower end of the third anchor rod rib 3 penetrates through and is anchored into a raft cushion 9, the PVC sleeve 6 is positioned above the raft cushion 9, non-solidified asphalt 5 is poured into the PVC sleeve 6 in a layered mode, a modified asphalt waterproof coiled material 7 is laid on the top of the raft cushion 9 and is laid on the anti-floating anchor rod, then the self-adhesive modified asphalt waterproof coiled material 7 is turned upwards to wrap the PVC sleeve 6 filled with the non-cured asphalt 5, and finally the waterproof additional layer 8 is made, so that the end part of the floating anchor rod can be effectively prevented from being drilled with holes for water prevention.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (5)
1. A construction method for waterproof plugging of a drilling hole at an anchoring end of an anti-floating anchor rod is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, fixedly welding the first anchor rod rib (1), the second anchor rod rib (2) and the third anchor rod rib (3) to form an anti-floating anchor rod anchoring end;
s2, welding the water stop steel plate (4) on the third anchor rod rib (3) by adopting continuous full-length welding;
s3, sleeving a PVC sleeve (6) outside the third anchor rod bar (3), cleaning the part of the inner cushion layer of the PVC sleeve (6) and the periphery of the anchor rod hole drill hole, and then penetrating and anchoring the lower end of the third anchor rod bar (3) into a raft cushion layer (9) to enable the PVC sleeve (6) to be located above the raft cushion layer (9);
s4, pouring non-solidified asphalt (5) into the PVC sleeve (6), firstly, injecting the non-solidified asphalt (5) into the anti-floating anchor rod drill hole, and then pouring the non-solidified asphalt (5) outwards in a layered manner;
s5, paving the self-adhesive modified asphalt waterproof coiled material (7) on the top of the raft cushion layer (9), paving the self-adhesive modified asphalt waterproof coiled material to the anti-floating anchor rod, and turning over the self-adhesive modified asphalt waterproof coiled material (7) to wrap the PVC sleeve (6) filled with the non-cured asphalt (5).
2. The waterproof plugging construction method for the drilling hole of the anchoring end of the anti-floating anchor rod according to claim 1, wherein the waterproof plugging construction method comprises the following steps: first stock pole muscle (1) and second stock pole muscle (2) are provided with two, third stock pole muscle (3) are provided with one, two first stock pole muscle (1) is the level setting, third stock pole muscle (3) are vertical setting, two the equal fixed connection in the upper end of third stock pole muscle (3) of one end of second stock pole muscle (2), the other end of second stock pole muscle (2) respectively with the one end fixed connection of two first stock pole muscle (1).
3. The waterproof plugging construction method for the drilling hole of the anchoring end of the anti-floating anchor rod according to claim 1, wherein the waterproof plugging construction method comprises the following steps: the outside of PVC sleeve pipe (6) is equipped with waterproof additional layer (8).
4. The waterproof plugging construction method for the drilling hole of the anchoring end of the anti-floating anchor rod according to claim 1, wherein the waterproof plugging construction method comprises the following steps: the water stop steel plate (4) is positioned above the PVC sleeve (6).
5. The waterproof plugging construction method for the drilling hole of the anchoring end of the anti-floating anchor rod according to claim 1, wherein the waterproof plugging construction method comprises the following steps: the PVC sleeve (6) has a sleeve height of about 2 cm and a diameter of 10-15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283829.7A CN112854211A (en) | 2021-03-17 | 2021-03-17 | Waterproof plugging construction method for drilling hole of anchoring end of anti-floating anchor rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283829.7A CN112854211A (en) | 2021-03-17 | 2021-03-17 | Waterproof plugging construction method for drilling hole of anchoring end of anti-floating anchor rod |
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| Publication Number | Publication Date |
|---|---|
| CN112854211A true CN112854211A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110283829.7A Pending CN112854211A (en) | 2021-03-17 | 2021-03-17 | Waterproof plugging construction method for drilling hole of anchoring end of anti-floating anchor rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550308A (en) * | 2021-07-23 | 2021-10-26 | 江苏中汇岩土工程有限公司 | External anchoring device for non-metal anti-floating anchor rod |
| CN113863393A (en) * | 2021-10-22 | 2021-12-31 | 上海宝冶建筑装饰有限公司 | Construction method for waterproofing end of anti-floating anchor rod |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837894A (en) * | 2019-03-03 | 2019-06-04 | 青岛海川建设集团有限公司 | Anti-float anchor rod end multilayer flashing material mating steel plate for sealing water composite water-proof construction technology |
| CN209353334U (en) * | 2018-11-21 | 2019-09-06 | 中国建筑第八工程局有限公司 | Anchor pole water-tight device |
| CN212405271U (en) * | 2020-03-12 | 2021-01-26 | 中青建安建设集团有限公司 | Anti-floating anchor rod waterproof structure |
-
2021
- 2021-03-17 CN CN202110283829.7A patent/CN112854211A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209353334U (en) * | 2018-11-21 | 2019-09-06 | 中国建筑第八工程局有限公司 | Anchor pole water-tight device |
| CN109837894A (en) * | 2019-03-03 | 2019-06-04 | 青岛海川建设集团有限公司 | Anti-float anchor rod end multilayer flashing material mating steel plate for sealing water composite water-proof construction technology |
| CN212405271U (en) * | 2020-03-12 | 2021-01-26 | 中青建安建设集团有限公司 | Anti-floating anchor rod waterproof structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550308A (en) * | 2021-07-23 | 2021-10-26 | 江苏中汇岩土工程有限公司 | External anchoring device for non-metal anti-floating anchor rod |
| CN113863393A (en) * | 2021-10-22 | 2021-12-31 | 上海宝冶建筑装饰有限公司 | Construction method for waterproofing end of anti-floating anchor rod |
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Application publication date: 20210528 |