CN116816293A - Drilling hole sealing construction method - Google Patents
Drilling hole sealing construction method Download PDFInfo
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- CN116816293A CN116816293A CN202310997156.0A CN202310997156A CN116816293A CN 116816293 A CN116816293 A CN 116816293A CN 202310997156 A CN202310997156 A CN 202310997156A CN 116816293 A CN116816293 A CN 116816293A
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- drilling
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- borehole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Road Repair (AREA)
Abstract
本发明公开了一种钻探封孔施工方法，涉及市政工程勘察技术领域，包括以下步骤：步骤S1，在完成钻孔后，将封堵构件放置在钻孔内，所述封堵构件具有用于卡住钻孔上沿的环形凸缘，从而将钻孔进行临时封堵，在设定时段后再进行开启，进行测量稳定水位；步骤S2，稳定水位测量完毕后，先将岩芯夯实回填入钻孔内，再回填路面砼块并用第一水泥砂浆填补缝隙，后回填第二水泥砂浆并将所述封堵构件放置在钻孔内，使第二水泥砂浆、钻孔孔壁及所述封堵构件三者形成黏聚力；步骤S3，在所述封堵构件的顶部封上水泥或沥青的路面层，作为永久性封闭。本发明可对钻孔进行及时、可靠、安全的封堵，有利于现场作业的安全进行。
The invention discloses a drilling and sealing construction method, which relates to the technical field of municipal engineering survey and includes the following steps: Step S1: after completing the drilling, a sealing member is placed in the borehole, and the sealing member has a function for Block the annular flange on the upper edge of the borehole to temporarily block the borehole, and then open it after a set period of time to measure the stable water level; step S2, after the stable water level measurement is completed, the core is tamped and backfilled. into the borehole, then backfill the road concrete block and fill the gap with the first cement mortar, then backfill the second cement mortar and place the blocking member in the borehole, so that the second cement mortar, the borehole wall and the The three blocking components form a cohesive force; in step S3, a cement or asphalt pavement layer is sealed on the top of the blocking components as a permanent seal. The invention can seal the borehole in a timely, reliable and safe manner, which is beneficial to the safe conduct of on-site operations.
Description
Technical Field
The invention relates to the technical field of municipal engineering investigation, in particular to a drilling and hole sealing construction method.
Background
In the process of realizing the invention, the inventor finds that at least the following problems exist in the prior art, and at present, engineering investigation is an important link in the current work of engineering projects, and the main contents comprise: engineering measurements, geophysical exploration, geotechnical engineering investigation, and the like. The geotechnical engineering investigation is an industry with larger safety risk, and particularly when in urban construction, underground pipe networks are distributed over, aerial wires are formed into a net, and field personnel are mixed, so that the operation danger is increased. Therefore, the safe implementation of field operation is the key of geotechnical engineering investigation and safe production.
The geotechnical engineering investigation field operation mainly adopts an oil pressure drilling machine to carry out field operation, the outer diameter of a drilling hole is usually 130mm, a full hole Duan Quxin method is adopted after the drilling hole passes through a soil layer, various in-situ tests and field sampling are carried out in the middle, the initial water level and the stable water level are accurately measured after the drilling hole is completed, and finally original road surface conditions are backfilled, tamped and restored.
However, the backfill hole sealing mode adopted at present has certain potential safety hazards: when the original soil is adopted to backfill and restore the pavement, particularly the arterial road in the city, the backfill in the drill hole can be settled due to the running vibration of vehicles along with the time, the drill hole is exposed on the ground, and the safety of the passing vehicles and pedestrians is endangered. If cement grouting is adopted for hole sealing, but the just-drilled drilling cannot be timely hole sealing, backfilling recovery can be carried out after at least 24 hours of stable water level observation, and the trouble is caused to the traffic of roads and the safety of pedestrians in the process.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the embodiment of the invention provides a drilling hole sealing construction method, which can timely, reliably and safely seal a drilling hole and is beneficial to the safe implementation of field operation.
The drilling hole sealing construction method provided by the embodiment of the invention comprises the following steps of:
step S1, after drilling is completed, a blocking member is placed in the drilling, the blocking member is provided with an annular flange used for clamping the upper edge of the drilling, so that the drilling is temporarily blocked, and the drilling is opened after a set period of time to measure the stable water level;
step S2, after the stable water level measurement is finished, tamping and backfilling a core into a drill hole, backfilling pavement concrete blocks, filling gaps with first cement mortar, backfilling second cement mortar, and placing the plugging member in the drill hole to enable the second cement mortar, the wall of the drill hole and the plugging member to form cohesive force;
and S3, sealing a cement or asphalt pavement layer on the top of the plugging member to serve as a permanent sealing.
In an alternative or preferred embodiment, in step S1, the plugging member includes a connecting cylinder and a cover plate fixedly connected to an upper end of the connecting cylinder, and an edge of the cover plate is annularly protruded from an outer wall of the connecting cylinder, so as to form the annular flange.
In an alternative or preferred embodiment, the cover plate is a round steel plate with a diameter of 160mm and a thickness of 2mm; the connecting cylinder is a round steel cylinder, and has the outer diameter of 130mm, the wall thickness of 2mm and the length of 50mm.
In an alternative or preferred embodiment, the center of the cover plate is aligned with the center of the connecting cylinder, and the inner side and the outer side of the joint part of the cover plate and the connecting cylinder are welded and fixed in a seamless mode through manual arc welding.
In an alternative or preferred embodiment, the cover plate and the connecting cylinder are each stainless steel members.
In an alternative or preferred embodiment, in step S2, the backfill depth of the pavement concrete block in the borehole is 5-15 cm.
In an alternative or preferred embodiment, in step S2, the backfill depth of the second cement mortar in the borehole is 0-5 cm.
In an alternative or preferred embodiment, in step S3, the road surface layer covers the top of the cover plate and the bottom of the annular flange therein.
In an alternative or preferred embodiment, in step S1, the set period of time is greater than 24 hours.
In an alternative or preferred embodiment, the method further comprises a step S4 of periodically returning to check the plugging condition of the device during construction to ensure that the plugging of the drill hole is in place.
Based on the technical scheme, the embodiment of the invention has at least the following beneficial effects: according to the technical scheme, the plugging member capable of being used for plugging is designed, after the drilling is completed, the plugging member is placed in the drilling, the annular flange of the plugging member can clamp the upper edge of the drilling, the drilling is temporarily plugged, and safety of pedestrians and vehicles can be ensured; subsequently, when the permanent plugging is carried out, the second cement mortar is backfilled, and the plugging member is placed in the drill hole, so that the second cement mortar, the wall of the drill hole and the plugging member form cohesive force, the plugging member is fixed, and the drill hole is not exposed on the ground even if backfill subsides. The invention can plug the drilled hole timely, reliably and safely, and is beneficial to the safe implementation of field operation.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view of an occluding component in an embodiment of the present invention;
FIG. 2 is a front view of an occluding component in an embodiment of the present invention;
fig. 3 is a schematic diagram of hole sealing construction according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring now to fig. 1-3, a method of drilling a hole is shown, comprising the steps of:
at step S1, after the drilling is completed, the plugging member 10 is placed in the drilling 21, and the plugging member 10 has an annular flange 121 for catching the upper edge of the drilling 21, thereby temporarily plugging the drilling 21.
Specifically, as shown in fig. 1, the blocking member 10 includes a connecting cylinder 11 and a cover plate 12 fixedly attached to an upper end of the connecting cylinder 11, and an edge of the cover plate 12 is annularly protruded from an outer wall of the connecting cylinder 11 to form an annular flange 121. In application, the geotechnical engineering investigation field operation mainly adopts an oil pressure drilling machine to carry out field operation, and the outer diameter of a drilling hole is usually 130mm, and in this embodiment, the cover plate 12 is a round steel plate, and the diameter is 160mm and the thickness is 2mm; the connecting cylinder 11 is a round steel cylinder, the outer diameter is 130mm, the wall thickness is 2mm, the length is 50mm, and the round cover plate 12 without edges and corners can ensure that people or vehicles cannot be injured in the use process, and ensure the safety of pedestrians and vehicles. Wherein the center of the cover plate 12 is aligned with the center of the connecting cylinder 11, and the inner side and the outer side of the joint part of the cover plate 12 and the connecting cylinder are welded and fixed in a seamless manner through manual arc welding. It should be noted that, in this embodiment, the specifications and dimensions of the cover plate and the connecting cylinder may be adaptively adjusted according to the size of the field drilling hole in the field.
The steady water level is measured by opening after a set period of time, typically 24 hours after drilling, and thus the set period of time is greater than 24 hours.
In this embodiment, the cover plate 12 and the connecting tube 11 are both stainless steel members. Of course, other corrosion resistant materials may be used for the cover plate 12 and the connecting cylinder 11.
It will be appreciated that by placing the closure member 10 in the bore 21, the annular flange 121 of the closure member 10 can catch the upper edge of the bore 21 to temporarily close the bore 32, thereby ensuring the safety of pedestrians and vehicles.
Step S2, after the stable water level measurement is completed, and as will be understood with reference to FIG. 3, the core 35 is tamped and backfilled into the borehole 21 to a depth of 15cm.
The pavement concrete blocks 33 are backfilled and the gap is filled with a first cement mortar 34. Specifically, the backfill depth of the pavement concrete block 33 in the borehole 21 is 5-15 cm, and then the gap of the pavement concrete block 33 is filled with the first cement mortar 34.
The second cement mortar 32 is backfilled and the plugging member 10 is placed in the borehole 21, so that the second cement mortar 32, the borehole wall 32 and the plugging member 10 form cohesive force. Wherein the backfill depth of the second cement mortar 32 in the borehole 21 is 0-5 cm.
It will be appreciated that the second cement paste 32 is backfilled and the plugging member 10 is placed in the borehole 21, so that the second cement paste 34, the borehole wall 21 and the plugging member 10 form a cohesive force, which acts to fix the plugging member 10, and even if the backfill is settled, such as the core 35 or the pavement concrete block 33 is settled, the borehole is not exposed to the ground.
In step S3, a cement or asphalt pavement layer 31 is sealed on top of the plugging member 10 as a permanent seal. In particular, the pavement layer 31 covers the top of the cover plate 12 and the bottom of the annular flange 121 therein.
Preferably, the method also comprises a step S4 of periodically returning to check the plugging condition of the device during construction so as to ensure whether the plugging of the drilling hole is in place.
The invention can be suitable for permanent hole sealing of the drilled holes in engineering investigation, can also be used for temporary hole sealing when measuring stable water level, is particularly suitable for hole sealing of the drilled holes in urban municipal road construction, can solve the problem of sedimentation caused by conventional backfill hole sealing, avoids safety accidents caused by sedimentation in the drilled holes of vehicles and pedestrians, and ensures safe operation of drilling sites.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (10)
1. The drilling hole sealing construction method is characterized by comprising the following steps of:
step S1, after drilling is completed, a blocking member is placed in the drilling, the blocking member is provided with an annular flange used for clamping the upper edge of the drilling, so that the drilling is temporarily blocked, and the drilling is opened after a set period of time to measure the stable water level;
step S2, after the stable water level measurement is finished, tamping and backfilling a core into a drill hole, backfilling pavement concrete blocks, filling gaps with first cement mortar, backfilling second cement mortar, and placing the plugging member in the drill hole to enable the second cement mortar, the wall of the drill hole and the plugging member to form cohesive force;
and S3, sealing a cement or asphalt pavement layer on the top of the plugging member to serve as a permanent sealing.
2. The drilling and sealing construction method according to claim 1, wherein: in step S1, the plugging member includes a connecting cylinder and a cover plate fixedly connected to the upper end of the connecting cylinder, where the edge of the cover plate protrudes annularly from the outer wall of the connecting cylinder, so as to form the annular flange.
3. The drilling and sealing construction method according to claim 2, wherein: the cover plate is a round steel plate, and has a diameter of 160mm and a thickness of 2mm; the connecting cylinder is a round steel cylinder, and has the outer diameter of 130mm, the wall thickness of 2mm and the length of 50mm.
4. A drilling and sealing method according to claim 3, wherein: the circle center of the cover plate is aligned with the center of the connecting cylinder, and the inner side and the outer side of the joint part of the cover plate and the connecting cylinder are subjected to seamless welding and fixing through manual arc welding.
5. The drilling and sealing construction method according to claim 2, wherein: the cover plate and the connecting cylinder are both stainless steel components.
6. The drilling and sealing construction method according to claim 2, wherein: in the step S2, the backfill depth of the pavement concrete block in the drilling hole is 5-15 cm.
7. The drilling and sealing construction method according to claim 6, wherein: in the step S2, the backfill depth of the second cement mortar in the drilled hole is 0-5 cm.
8. The drilling and sealing construction method according to claim 7, wherein: in step S3, the pavement layer covers the top of the cover plate and the bottom of the annular flange therein.
9. The drilling hole sealing construction method according to any one of claims 2 to 8, wherein: in step S1, the set period is greater than 24 hours.
10. The drilling hole sealing construction method according to any one of claims 2 to 8, wherein: and step S4, checking the plugging condition of the device periodically during construction to ensure whether the plugging of the drill hole is in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310997156.0A CN116816293B (en) | 2023-08-08 | 2023-08-08 | Drilling hole sealing construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310997156.0A CN116816293B (en) | 2023-08-08 | 2023-08-08 | Drilling hole sealing construction method |
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| Publication Number | Publication Date |
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| CN116816293A true CN116816293A (en) | 2023-09-29 |
| CN116816293B CN116816293B (en) | 2025-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310997156.0A Active CN116816293B (en) | 2023-08-08 | 2023-08-08 | Drilling hole sealing construction method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429746A (en) * | 1981-07-29 | 1984-02-07 | Allard Gerald D | Method and apparatus for disposing of drilling muds and wastes generated during well drilling operations and for plugging and abandoning the well |
| US4971149A (en) * | 1989-09-28 | 1990-11-20 | Charles Wayne Roberts | Flush mount monitoring well cover |
| US5115866A (en) * | 1991-01-18 | 1992-05-26 | K N Energy, Inc. | Soil vapor well construction |
| US5657822A (en) * | 1995-05-03 | 1997-08-19 | James; Melvyn C. | Drill hole plugging method utilizing layered sodium bentonite and liquid retaining particles |
| CN102561372A (en) * | 2011-12-23 | 2012-07-11 | 中国十七冶集团有限公司 | Plugging method for downcomer for well-point dewatering of deep foundation pit |
| CN103556644A (en) * | 2013-10-23 | 2014-02-05 | 中天建设集团有限公司 | Basement bottom plate dewatering well mouth plugging casing and construction method |
| CN103993615A (en) * | 2014-05-20 | 2014-08-20 | 中国建筑第二工程局有限公司 | Large-drawdown pipe well plugging structure and construction method thereof |
| CN204716177U (en) * | 2015-04-21 | 2015-10-21 | 山东三箭建设工程股份有限公司 | A kind of artesian well locking device |
| CN204959781U (en) * | 2015-09-24 | 2016-01-13 | 山东省建设建工（集团）有限责任公司 | Dewatering well plugging device |
-
2023
- 2023-08-08 CN CN202310997156.0A patent/CN116816293B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429746A (en) * | 1981-07-29 | 1984-02-07 | Allard Gerald D | Method and apparatus for disposing of drilling muds and wastes generated during well drilling operations and for plugging and abandoning the well |
| US4971149A (en) * | 1989-09-28 | 1990-11-20 | Charles Wayne Roberts | Flush mount monitoring well cover |
| US5115866A (en) * | 1991-01-18 | 1992-05-26 | K N Energy, Inc. | Soil vapor well construction |
| US5657822A (en) * | 1995-05-03 | 1997-08-19 | James; Melvyn C. | Drill hole plugging method utilizing layered sodium bentonite and liquid retaining particles |
| CN102561372A (en) * | 2011-12-23 | 2012-07-11 | 中国十七冶集团有限公司 | Plugging method for downcomer for well-point dewatering of deep foundation pit |
| CN103556644A (en) * | 2013-10-23 | 2014-02-05 | 中天建设集团有限公司 | Basement bottom plate dewatering well mouth plugging casing and construction method |
| CN103993615A (en) * | 2014-05-20 | 2014-08-20 | 中国建筑第二工程局有限公司 | Large-drawdown pipe well plugging structure and construction method thereof |
| CN204716177U (en) * | 2015-04-21 | 2015-10-21 | 山东三箭建设工程股份有限公司 | A kind of artesian well locking device |
| CN204959781U (en) * | 2015-09-24 | 2016-01-13 | 山东省建设建工（集团）有限责任公司 | Dewatering well plugging device |
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| CN116816293B (en) | 2025-12-19 |
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Inventor after: Fu Dongping Inventor after: Lei Shidu Inventor after: Lin Chunxiu Inventor after: Zhang Hong Inventor after: Zhou Bin Inventor after: Yao Hanhua Inventor after: Huang Hao Inventor before: Fu Dongping Inventor before: Lei Shidu Inventor before: Lin Chunxiu Inventor before: Zhang Hong Inventor before: Zhou Bin Inventor before: Yao Hanhua Inventor before: Huang Hao |
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