CN115233745A - Geotextile wrapping method for preventing penetration around pile body of pipe pile of revetment structure - Google Patents
Geotextile wrapping method for preventing penetration around pile body of pipe pile of revetment structure Download PDFInfo
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- CN115233745A CN115233745A CN202210884987.2A CN202210884987A CN115233745A CN 115233745 A CN115233745 A CN 115233745A CN 202210884987 A CN202210884987 A CN 202210884987A CN 115233745 A CN115233745 A CN 115233745A
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- pile body
- geotextile
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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
- E02D31/06—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 corrosion by soil or 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
-
- 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
- E02D5/22—Piles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
Abstract
The invention discloses a geotextile wrapping method for preventing seepage around a pile body of a bank protection structure tubular pile. Belonging to the technical field of civil construction; the operation steps are as follows: cleaning the pile body; a piece of geotextile is perforated according to the diameter of a pile body, sleeved into the pile body, and another piece of geotextile is laid on a bank slope; brushing an asphalt bonding layer on the pile body; wrapping the geotextile on the pile body, firmly bonding, and overlapping with the geotextile below; and sewing the lap joint and the sealing part of the geotextile to form a cuff type wrapping layer. The invention is characterized in that: during the subsequent construction of the inverted filter structure layer, the pile body can be protected, and the phenomenon that two pieces of stones and block stones directly impact the pile body to damage the pile foundation and influence the bearing capacity is avoided; the pile body geotextile and the bank slope geotextile form a complete impermeable layer, so that the sand loss is prevented, the integral stability of the bank slope is enhanced, and the durability of the wharf is improved. The technology can enable the geotextile to form a whole, is not easy to damage and move in subsequent construction, and improves the integrity of the inverted filter layer.
Description
Technical Field
The invention belongs to the technical field of civil construction, and relates to a geotextile wrapping technology for preventing seepage around a pile body of a bank protection structure pipe pile; in particular to a geotextile wrapping method for preventing seepage around a pile body of a pile of a bank protection structure.
Background
In the prior art, when the shore protection structure pile is used for construction in wharf (building material wharf) engineering, as the geotextile inverted filter layer is randomly laid around the pile body, the gap around the pile is easy to be overlarge, the lap joint length is insufficient, the lap joint position is not fixed firmly, the geotextile is displaced in the construction of the upper structure layer, and the lap joint part drops or is separated, so that upper water flows permeate, the sandy soil layer under the geotextile is lost, the scouring phenomenon along the pile periphery is generated, and the shore protection structure is damaged; therefore, how to adopt an innovative geotextile laying technology can effectively prevent the sandy soil from losing becomes a matter which needs to be considered by technicians at present.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a geotextile wrapping method for preventing seepage around a pile body of a bank protection structure tubular pile.
The technical scheme is as follows: according to the geotextile wrapping method for preventing seepage around the pile body of the bank protection structure tubular pile, the geotextile of the pile body and the geotextile of the bank slope form a complete seepage-preventing layer, so that the geotextile of the pile body and the geotextile of the bank slope are not easy to damage and move in subsequent construction, the integrity of a reversed filter layer is improved, the sandy soil is prevented from being lost, the integral stability of the bank slope is enhanced, and the durability of a wharf is improved; the specific operation steps are as follows:
(1) Cleaning the pile body, cleaning soil and the like on the surface layer of the pile body, washing the pile body with clean water, and wiping the water with dry rags;
(2) Measuring the elevation of the pile body by a measuring worker, determining the top position of the geotechnical cloth wrapping the pile body, and marking and positioning the pile body;
(3) Preparing a piece of geotextile, perforating the geotextile according to the diameter of the pile body, sleeving the pile body after perforating, and laying a piece of geotextile on the bank slope;
(4) Coating an asphalt bonding layer on the pile body, wherein the coating range is from above the mud surface to the marked elevation line, and the coating in the area must be complete and uniform without missing coating;
(5) Pulling the holed geotextile upwards until the geotextile is completely wrapped on the pile body coated with the asphalt bonding layer, and firmly adhering the geotextile and the asphalt;
(6) And sewing the sealing position of the geotextile sleeved in the pile body, the lap joint position of the geotextile sleeved in the pile body and the geotextile laid on the bank slope, thereby forming the cuff type wrapping layer.
Further, in the step (1), soil and the like on the surface layer of the pile body are cleaned, washed clean by clean water and wiped dry.
Further, in the step (2), the pile body is subjected to elevation measurement, the top position of the geotextile wrapping the pile body is determined, the height of the geotextile is more than or equal to 0.5m, and the geotextile is marked and positioned.
Further, in the step (3), the diameter of the outer wall of the pile body is matched with the diameter of the hole wall of the geotextile after the hole is opened, and the diameter of the opened hole of the geotextile is slightly larger than the diameter of the outer wall of the pile body.
Further, in the step (4), the pile body is coated with the asphalt bonding layer in a range from above the mud surface to the marked elevation line, and the coating is complete and uniform and has no missing coating.
Further, in the step (5), the geotextile with the holes is wrapped on the pile body, the height of the geotextile is more than or equal to 0.5m, and the geotextile and the pile body are firmly and smoothly bonded without non-bonded parts.
Further, in the step (6), the length of the lap joint between the geotextile wrapped on the pile body and the geotextile below is more than or equal to 2m. The sealing position of the geotextile sleeved in the pile body, the lap joint position of the geotextile sleeved in the pile body and the geotextile laid on the bank slope are sewn by nylon ropes.
The principle of the invention is as follows: according to the technology, the geotextile is wrapped on the pile body, the geotextile is firmly bonded with the pile body by adopting the asphalt, meanwhile, the lap joint is sewn and reinforced, and meanwhile, the geotextile is effectively connected with the revetment geotextile inverted filter layer to form the integral anti-seepage inverted filter layer. The technology can effectively prevent the sand around the pile body from losing under the water flow scouring, reduces the scouring of the bank slope, avoids the slip of the bank slope, and reduces the overall damage to the engineering structure.
Has the advantages that: compared with the prior art, the invention has the characteristics that: 1) After the geotextile wraps the pile body, the pile body can be protected during the subsequent construction of the inverted filter structure layer, and the two pieces of stones and the block stones are prevented from directly impacting the pile body, so that the pile foundation is prevented from being damaged, and the bearing capacity is prevented from being influenced; 2) The pile body geotextile and the bank slope geotextile can form a finished impermeable layer, so that the sand loss is effectively prevented, the integral stability of the bank slope is enhanced, and the durability of the wharf is improved; 3) The technology can enable the geotextile to form a whole, is not easy to damage and move in subsequent construction, and improves the integrity of the inverted filter.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the following further detailed description is made on the technical solution of the present invention:
example 1:
in the first-stage wharf (building material wharf) engineering of a certain pool in a certain operation area of a certain port area, the revetment structure layer is a rock block revetment, a geotextile inverted filter layer, graded broken stones, two pieces of stones and a rock block revetment, and the pile foundation at the revetment position is a cast-in-place pile and a PHC (prestressed high-strength concrete) pipe pile. The sand soil layer loss can be caused by overlarge gaps and infirm lap joint due to the fact that the geotextile cloth is paved around the pile body in a surrounding mode, and the sand soil loss can be effectively prevented only by adopting an innovative geotextile cloth paving technology.
The implementation steps are as follows:
(1) Cleaning the pile body after the bank slope is excavated, cleaning soil and the like on the surface layer of the pile body, washing the pile body by using clean water, and wiping water by using a dry cleaning cloth;
(2) Measuring the elevation of the pile body by a measuring worker, determining the top position of the geotechnical cloth wrapping the pile body, and marking and positioning the pile body;
(3) Preparing a piece of geotextile, perforating the geotextile according to the diameter of the pile body, sleeving the pile body after perforating, and paving a piece of geotextile on the bank slope;
(4) Coating an asphalt bonding layer on the pile body, wherein the coating range is from above the mud surface to the marked elevation line, and the coating in the area must be complete and uniform without coating leakage;
(5) Pulling the geotextile with the holes upwards until the geotextile is completely wrapped on the pile body coated with the asphalt bonding layer, and firmly adhering the geotextile and the asphalt;
(6) And sewing the sealing position of the geotextile sleeved in the pile body, the lap joint position of the geotextile sleeved in the pile body and the geotextile laid on the bank slope, thereby forming the cuff type wrapping layer.
(7) And checking the bonding and lapping quality of the geotextile, and performing subsequent construction of the bank protection structure layer after meeting the requirements.
The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples, and all technical solutions that fall under the spirit of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (8)
1. A geotextile wrapping method for preventing seepage around a pile body of a bank protection structure tubular pile is characterized by comprising the following specific operation steps:
(1) Cleaning the pile body until the surface layer of the pile body is free of impurities;
(2) The measuring personnel perform elevation measurement on the pile body, determine the top position of the geotechnical cloth wrapping the pile body, and mark and position the pile body;
(3) Preparing a piece of geotextile, perforating the geotextile according to the diameter of the pile body, sleeving the pile body after perforating, and paving a piece of geotextile on the bank slope;
(4) Coating an asphalt bonding layer on the pile body;
(5) Pulling the holed geotextile upwards until the geotextile is completely wrapped on the pile body of the plastic-coated asphalt bonding layer;
(6) And sewing the sealing position of the geotextile sleeved in the pile body, the lap joint position of the geotextile sleeved in the pile body and the geotextile laid on the bank slope, thereby forming the cuff type wrapping layer.
2. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (1), the step of cleaning the pile body is as follows: cleaning up impurities on the surface layer of the pile body, washing the pile body with clear water, and wiping water with a dry rag; until the surface layer has no impurities.
3. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (2), the pile body is subjected to elevation measurement, the top position of the geotechnical cloth wrapping the pile body is determined, the height of the geotechnical cloth is more than or equal to 0.5m, and the geotechnical cloth is marked and positioned.
4. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (3), the diameter of the outer wall of the pile body is matched with the diameter of the hole wall of the geotextile after the hole is formed, and the diameter of the hole of the geotextile is larger than the diameter of the outer wall of the pile body.
5. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (4), the brushing range of the asphalt bonding layer on the pile body is from above the mud surface to the marked elevation line.
6. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (5), the height of the geotextile wrapped on the pile body after the hole is opened is more than or equal to 0.5m, and the geotextile and the pile body are firmly bonded without an unbonded part.
7. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (6), the length of the lap joint of the geotextile wrapped on the pile body and the geotextile below is more than or equal to 2m.
8. The geotextile wrapping method for preventing seepage around the pile body of the pile of the revetment structure according to claim 1,
in the step (6), the sealing position of the geotextile sleeved in the pile body, the lap joint position of the geotextile sleeved in the pile body and the geotextile laid on the bank slope are sewn by nylon ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210884987.2A CN115233745B (en) | 2022-07-26 | 2022-07-26 | Geotextile wrapping method for preventing permeation around pile body of pile in revetment structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210884987.2A CN115233745B (en) | 2022-07-26 | 2022-07-26 | Geotextile wrapping method for preventing permeation around pile body of pile in revetment structure |
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| Publication Number | Publication Date |
|---|---|
| CN115233745A true CN115233745A (en) | 2022-10-25 |
| CN115233745B CN115233745B (en) | 2023-06-30 |
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| CN202210884987.2A Active CN115233745B (en) | 2022-07-26 | 2022-07-26 | Geotextile wrapping method for preventing permeation around pile body of pile in revetment structure |
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