CN114703832A - Pre-buried equipment protection method and pre-buried equipment protection device - Google Patents
Pre-buried equipment protection method and pre-buried equipment protection device Download PDFInfo
- Publication number
- CN114703832A CN114703832A CN202210443097.8A CN202210443097A CN114703832A CN 114703832 A CN114703832 A CN 114703832A CN 202210443097 A CN202210443097 A CN 202210443097A CN 114703832 A CN114703832 A CN 114703832A
- Authority
- CN
- China
- Prior art keywords
- buried
- pile
- sleeve
- embedded
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 53
- 230000002787 reinforcement Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 9
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application belongs to the technical field of building construction, and particularly relates to a pre-buried equipment protection method and a pre-buried equipment protection device. Binding an inclinometer pipe on a reinforcement cage according to construction requirements; installing a connecting sleeve at the top of the inclinometer, covering a sealing cover on the connecting sleeve, and sleeving a pre-buried protective sleeve with a hole reserved at the bottom above the inclinometer; binding the inclinometer pipe and the embedded protective sleeve on a reinforcement cage, normally hoisting, drilling and pouring concrete; when the pile head is broken, the upper part of the support pile is broken and disassembled mechanically, and the upper part embedded protective sleeve is broken; and after the support pile is broken and dismantled, removing residual embedded protective sleeves in the pile, exposing the inclinometer pipe in the pile, taking out the sealing cover, inserting the next section of inclinometer pipe into the connecting sleeve for lengthening, and performing embedding operation on the next section of inclinometer pipe. This application sets up pre-buried deviational survey pipe below the broken position of tearing open of fender pile to the operation space of later stage extension deviational survey pipe is kept apart to breakable material, makes the protected object avoid the damage region, reserves in advance to connect extension space.
Description
Technical Field
The application belongs to the technical field of building construction, and particularly relates to a pre-buried equipment protection method and a pre-buried equipment protection device.
Background
In the construction of a deep foundation pit, the deformation monitoring of a support pile is one content which needs to be monitored, and the monitoring is generally carried out by embedding an inclinometer pipe in a pile body. Firstly, binding an inclinometer pipe on a reinforcing cage of a supporting pile, then hoisting the inclinometer pipe into a drilled hole, paying attention to the fact that a pair of grooves of the inclinometer pipe is consistent with the displacement direction to be measured (generally, the direction is vertical to the edge of a foundation pit), and then pouring concrete; before a crown beam is constructed, concrete at the head of a supporting pile needs to be chiseled, then the chiseled concrete is dug out by an excavator, the inclinometer pipe is likely to be damaged, and once the inclinometer pipe is damaged, the next monitoring work is difficult to carry out.
At present, a plurality of protection methods for the inclinometer pipe are provided, but the protection methods are concentrated on installing a protection pipe additionally to resist external force damage, in the construction process, a construction unit often adopts large-scale mechanical breaking and dismantling support piles, once the situation occurs, the existing protection pipe can hardly resist, and the loss is extremely large.
Disclosure of Invention
Aiming at the difficult problem of the protection of the existing inclinometer pipe, the embodiment of the application aims to provide the protection method and the protection device of the embedded equipment, the existing thought of resisting the damage of external force is abandoned, and the inclinometer pipe is preset below the broken part of the supporting pile by shortening the length of the inclinometer pipe, so that pile breaking machinery cannot damage the inclinometer pipe, and the protection purpose is achieved.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions.
In a first aspect, in an embodiment provided in the present application, a method for protecting embedded equipment is provided, including the following steps:
binding an inclinometer pipe on a reinforcement cage according to construction requirements, wherein the height of the top of the inclinometer pipe is lower than the joint of a support pile and a crown beam;
step two, mounting a connecting sleeve at the top of the inclinometer, covering a sealing cover on the connecting sleeve, and sleeving a pre-buried protective sleeve with a hole reserved at the bottom above the inclinometer;
binding the inclinometer pipe and the embedded protective sleeve on a reinforcement cage, normally hoisting, drilling and pouring concrete;
fourthly, when the pile head is broken, mechanically breaking the upper part of the support pile, and breaking the upper part embedded protective sleeve;
and fifthly, after the support pile is broken and dismantled, removing residual embedded protective sleeves in the pile, exposing the inclinometer pipe in the pile, taking out the sealing cover, inserting the next section of inclinometer pipe into the connecting sleeve for lengthening, and embedding the next section of inclinometer pipe.
As a further scheme of the invention, the height of the top of the inclinometer pipe, which is lower than the height of the joint of the support pile and the crown beam, is 20 cm.
As a further scheme of the invention, the depth of the hole in the embedded protective sleeve exceeds the length of the connecting sleeve.
As a further scheme of the invention, the embedded protective sleeve is a cylindrical protective sleeve with the length of 50cm and the diameter of 20 cm.
As a further aspect of the present invention, after inserting the next section of inclinometer casing into the connection sleeve for lengthening, the method further includes: the joint part is fixed and sealed by glue.
As a further scheme of the invention, a sensor is pre-embedded in the supporting pile, and a data wire of the sensor is rolled up and placed in a pre-arranged groove at the lower part of the pre-embedded protective sleeve between concreting.
As a further scheme of the invention, the embedded protective sleeve is made of foam plastic.
In a second aspect, in another embodiment that this application provided, a pre-buried equipment protection device is provided, pre-buried equipment protection device includes pre-buried protective sheath, pre-buried protective sheath is established in deviational survey pipe top, pre-buried protective sheath bottom is equipped with and is used for deviational survey pipe male hole the deviational survey pipe inserts before the pre-buried protective sheath, deviational survey pipe top installation connecting sleeve, the connecting sleeve is covered with the closing cap, wherein, deviational survey pipe top height is less than fender pile and hat beam junction.
As a further scheme of the invention, the embedded protective sleeve is also used for breaking the upper part of the support pile through machinery when the pile head is broken, and breaking the embedded protective sleeve at the upper part.
As a further scheme of the invention, the embedded protective sleeve is a section of cylindrical foam plastic with the length of 50cm and the diameter of 20 cm.
The invention provides a pre-buried equipment protection method and a pre-buried equipment protection device, wherein the method comprises the following steps: binding an inclinometer pipe on the reinforcement cage according to construction requirements, wherein the height of the top of the inclinometer pipe is lower than the joint of the support pile and the crown beam; installing a connecting sleeve at the top of the inclinometer, covering a sealing cover on the connecting sleeve, and sleeving a pre-buried protective sleeve with a hole reserved at the bottom above the inclinometer; binding the inclinometer pipe and the embedded protective sleeve on a reinforcement cage, normally hoisting, drilling and pouring concrete; when the pile head is broken, the upper part of the support pile is broken and disassembled mechanically, and the upper part embedded protective sleeve is broken; and after the support pile is broken and dismantled, removing residual embedded protective sleeves in the pile, exposing the inclinometer pipe in the pile and taking out the sealing cover, inserting the next section of inclinometer pipe into the connecting sleeve for lengthening, and performing embedded operation on the next section of inclinometer pipe. Compared with the prior art, the embedded equipment protection method and the embedded equipment protection device provided by the application can realize the following effects:
(1) according to the pre-buried equipment protection method and the pre-buried equipment protection device, the pre-buried inclinometer pipe is arranged below the broken part of the support pile, and the operation space of the lengthened inclinometer pipe at the later stage is isolated by using a fragile material.
(2) Giving up the thought of resisting mechanical damage, defaulting the part to be damaged, enabling the protected object to avoid a damaged area, and reserving a connection lengthening space in advance.
These and other aspects of the present application will be more readily apparent from the following description of the embodiments. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the application and together with the description serve to explain the application and not limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a supporting pile in a pre-buried equipment protection method according to an embodiment of the present application.
Fig. 2 is a schematic top view of a supporting pile in a pre-buried device protection method according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of inserting a next inclinometer pipe in the embedded device protection method according to the embodiment of the application.
In the figure: 1-supporting piles, 2-reinforcing cages, 3-inclinometer pipes, 4-crown beams, 5-embedded protective sleeves and 6-next-section inclinometer pipes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.
Specifically, the embodiments of the present application will be further explained below with reference to the drawings.
As shown in fig. 1 to 3, an embodiment of the present application provides a method for protecting embedded equipment, including the following steps:
step one, binding an inclinometer pipe 3 on a reinforcement cage 2 according to construction requirements, wherein the height of the top of the inclinometer pipe 3 is lower than the joint of a support pile 1 and a crown beam 4;
step two, mounting a connecting sleeve on the top of the inclinometer 3, covering a sealing cover on the connecting sleeve, and sleeving a pre-buried protective sleeve 5 with a hole reserved at the bottom above the inclinometer 3;
binding the inclinometer pipe 3 and the embedded protective sleeve 5 on a reinforcement cage 2, hoisting normally, drilling and pouring concrete;
fourthly, when the pile head is broken, mechanically breaking the upper part of the support pile 1, and breaking the upper part embedded protective sleeve 5;
and step five, after the supporting pile 1 is broken and dismantled, removing the residual embedded protective sleeve 5 in the pile, exposing the inclinometer pipe 3 in the pile and taking out the sealing cover, inserting the next section of inclinometer pipe 6 into the connecting sleeve for lengthening, and embedding the next section of inclinometer pipe 6.
According to the protection method of the embedded equipment, the embedded inclinometer pipe is arranged below the broken part of the support pile, and the operation space of the lengthened inclinometer pipe in the later stage is isolated by fragile materials. Giving up the thought of resisting mechanical damage, defaulting the part to be damaged, enabling the protected object to avoid a damaged area, and reserving a connection lengthening space in advance. Through shortening deviational survey pipe length, preset the deviational survey pipe below the broken part of tearing open of a fender pile for broken stake machinery can't harm the deviational survey pipe, thereby reaches the purpose of protection.
In some embodiments, the height of the top of the inclinometer 3 is about 20cm lower than the height of the joint of the supporting pile 1 and the crown beam 4, and the height can be adjusted according to the design of a supporting structure. The embedded protective sleeve 5 is a cylindrical protective sleeve with the length of about 50cm and the diameter of about 20 cm.
When setting up hole on the pre-buried protective sheath 5, the degree of depth of hole surpasss on the pre-buried protective sheath 5 connecting sleeve's length, wherein, connecting sleeve and closing cap are inclinometer pipe 3 from taking the accessory.
In some embodiments, after inserting the next length of inclinometer pipe 6 into the connection sleeve for lengthening, the method further comprises: the joint part is fixed and sealed by glue.
In some embodiments of the present application, the embedded protection sleeve 5 is made of foam. When the pile head is broken, the machinery will break and tear a fender pile upper portion because pre-buried protective sheath 5 adopts materials such as foamed plastic, has breakable characteristic, and upper portion foamed plastic can be broken because of the broken tear of machinery, but can not influence the remaining part.
After the support pile 1 is broken and dismantled, removing residual foam plastics in the pile, exposing the inclinometer pipe 3 in the pile, taking out the sealing cover, inserting a section of inclinometer pipe 6 into the connecting sleeve for lengthening, and fixing the closed joint part by glue.
In addition, a sensor is pre-embedded in the supporting pile 1, and a data wire of the sensor is wound up and placed in a pre-arranged groove in the lower portion of the pre-embedded protective sleeve 5 between concretes. Therefore, the data wires of sensors such as a steel bar meter and the like embedded in the support pile 1 can also be protected by adopting the method, and the data wires are rolled and placed at the lower part of the foamed plastic.
In other embodiments of the present application, the foam may be replaced with other materials as long as they have frangible, water-barrier properties. The foam or other material may take other shapes or sizes and the cylindrical shape is used in the present invention because of the material already in the market place.
Furthermore, pre-buried sensors and data lines in underground continuous walls or other structures can also be protected by adopting the method.
In an embodiment of this application, as shown in fig. 1 to fig. 3, this application still discloses a pre-buried equipment protection device, pre-buried equipment protection device includes pre-buried protective sheath 5, pre-buried protective sheath 5 cover is established in deviational survey pipe 3 top, pre-buried protective sheath 5 bottom is equipped with and is used for deviational survey pipe 3 male hole deviational survey pipe 3 inserts before pre-buried protective sheath 5, 3 top installation connecting sleeve of deviational survey pipe, the connecting sleeve is covered with the closing cap, wherein, 3 top height in deviational survey pipe is less than fender pile 1 and crown beam 4 junction.
In the embodiment of the application, the embedded protection sleeve 5 is also used for breaking the upper part of the support pile 1 through machinery when the pile head is broken, and crushing the embedded protection sleeve 5 on the upper part.
The embedded protective sleeve 5 is a section of cylindrical foam plastic with the length of 50cm and the diameter of 20 cm.
Compared with the prior art, the top position of the embedded inclinometer pipe 3 is determined through design data, the hoop reinforcement position of a reinforcement cage can be determined in actual work, the embedded inclinometer pipe 3 is arranged below the breaking and dismantling part of the support pile 1, and the operation space of the later-stage lengthened inclinometer pipe 3 is isolated by fragile materials.
In addition, the method and the device give up the idea of resisting mechanical damage, and the part is defaulted to be damaged, so that the protected object avoids a damage area, and a connection lengthening space is reserved in advance.
In summary, the present invention provides a method and an apparatus for protecting embedded devices, the method comprising the following steps: binding an inclinometer pipe on the reinforcement cage according to construction requirements, wherein the height of the top of the inclinometer pipe is lower than the joint of the support pile and the crown beam; installing a connecting sleeve at the top of the inclinometer, covering a sealing cover on the connecting sleeve, and sleeving a pre-buried protective sleeve with a hole reserved at the bottom above the inclinometer; binding the inclinometer pipe and the embedded protective sleeve on a reinforcement cage, normally hoisting, drilling and pouring concrete; when the pile head is broken, the upper part of the support pile is broken and disassembled mechanically, and the upper part embedded protective sleeve is broken; and after the support pile is broken and dismantled, removing residual embedded protective sleeves in the pile, exposing the inclinometer pipe in the pile and taking out the sealing cover, inserting the next section of inclinometer pipe into the connecting sleeve for lengthening, and performing embedded operation on the next section of inclinometer pipe. Compared with the prior art, the embedded equipment protection method and the embedded equipment protection device provided by the application can realize the following effects:
(1) according to the pre-buried equipment protection method and the pre-buried equipment protection device, the pre-buried inclinometer pipe is arranged below the broken part of the support pile, and the operation space of the lengthened inclinometer pipe at the later stage is isolated by using a fragile material.
(2) Giving up the thought of resisting mechanical damage, defaulting the part to be damaged, enabling the protected object to avoid a damaged area, and reserving a connection lengthening space in advance.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A pre-buried equipment protection method is characterized by comprising the following steps:
binding an inclinometer pipe (3) on a reinforcement cage (2) according to construction requirements, wherein the height of the top of the inclinometer pipe (3) is lower than the joint of a support pile (1) and a crown beam (4);
step two, mounting a connecting sleeve on the top of the inclinometer pipe (3), covering a sealing cover on the connecting sleeve, and sleeving a pre-embedded protective sleeve (5) with a hole reserved at the bottom above the inclinometer pipe (3);
binding the inclinometer pipe (3) and the embedded protective sleeve (5) on a reinforcement cage (2), normally hoisting, drilling and pouring concrete;
fourthly, when the pile head is broken, mechanically breaking the upper part of the support pile (1), and breaking the upper part embedded protective sleeve (5);
and fifthly, after the support pile (1) is broken and dismantled, removing the residual pre-buried protective sleeves (5) in the pile, exposing the inclinometer pipe (3) in the pile, taking out the sealing cover, inserting the next section of inclinometer pipe (6) into the connecting sleeve for lengthening, and pre-burying the next section of inclinometer pipe (6).
2. The embedded equipment protection method according to claim 1, wherein the height of the top of the inclinometer pipe (3) which is 20cm lower than the height of the joint of the supporting pile (1) and the crown beam (4) is adopted.
3. A pre-buried equipment protection method according to claim 2, wherein the depth of the hole in the pre-buried protection sleeve (5) exceeds the length of the connection sleeve.
4. A pre-buried equipment protection method according to claim 3, wherein the pre-buried protection sleeve (5) is a cylindrical protection sleeve with a length of 50cm and a diameter of 20 cm.
5. The method for protecting embedded equipment according to claim 1, wherein after inserting the next section of inclinometer pipe (6) into the connecting sleeve for lengthening, the method further comprises the following steps: the joint part is fixed and sealed by glue.
6. The embedded equipment protection method according to claim 1, wherein a sensor is embedded in the supporting pile (1), and a data wire of the sensor is rolled up and placed in a preset groove at the lower part of the embedded protective sleeve (5) between concretes.
7. A pre-buried equipment protection method according to claim 6, wherein the pre-buried protection sleeve (5) is foamed plastic.
8. The utility model provides a pre-buried equipment protection device, a serial communication port, pre-buried equipment protection device includes pre-buried protective sheath (5), pre-buried protective sheath (5) cover is established in deviational survey pipe (3) top, pre-buried protective sheath (5) bottom is equipped with and is used for deviational survey pipe (3) male hole deviational survey pipe (3) insert before pre-buried protective sheath (5), deviational survey pipe (3) top installation connecting sleeve, the connecting sleeve is covered with the closing cap, wherein, deviational survey pipe (3) top height is less than fender pile (1) and hat beam (4) junction.
9. An embedded equipment protection device according to claim 8, wherein the embedded protection sleeve (5) is further used for mechanically breaking the upper part of the supporting pile (1) and breaking the upper embedded protection sleeve (5) when the pile head is broken.
10. A pre-buried equipment protection device according to claim 9, wherein the pre-buried protection sleeve (5) is a cylindrical foam with a length of 50cm and a diameter of 20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210443097.8A CN114703832B (en) | 2022-04-25 | 2022-04-25 | Pre-buried equipment protection method and pre-buried equipment protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210443097.8A CN114703832B (en) | 2022-04-25 | 2022-04-25 | Pre-buried equipment protection method and pre-buried equipment protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114703832A true CN114703832A (en) | 2022-07-05 |
| CN114703832B CN114703832B (en) | 2024-04-02 |
Family
ID=82174243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210443097.8A Active CN114703832B (en) | 2022-04-25 | 2022-04-25 | Pre-buried equipment protection method and pre-buried equipment protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114703832B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387410A (en) * | 2022-09-23 | 2022-11-25 | 中交二航局(成都)建设工程有限公司 | Anti-damage protection device for pile foundation inclinometer pipe and application method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150204044A1 (en) * | 2014-01-17 | 2015-07-23 | Royal Adhesives & Sealants Canada Ltd. | Polyurethane Foam In Foundation Footings For Load-Bearing Structures |
| CN206635829U (en) * | 2017-03-29 | 2017-11-14 | 南京南大工程检测有限公司 | A kind of protection device of inclinometer pipe |
| CN208717980U (en) * | 2018-08-14 | 2019-04-09 | 上海市城市建设设计研究总院（集团）有限公司 | The nozzle protective device of pre-buried inclinometer pipe in retaining wall |
| CN211368814U (en) * | 2019-10-16 | 2020-08-28 | 中铁第六勘察设计院集团有限公司 | Subway foundation pit inclinometer pipe anti-blocking device |
-
2022
- 2022-04-25 CN CN202210443097.8A patent/CN114703832B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150204044A1 (en) * | 2014-01-17 | 2015-07-23 | Royal Adhesives & Sealants Canada Ltd. | Polyurethane Foam In Foundation Footings For Load-Bearing Structures |
| CN206635829U (en) * | 2017-03-29 | 2017-11-14 | 南京南大工程检测有限公司 | A kind of protection device of inclinometer pipe |
| CN208717980U (en) * | 2018-08-14 | 2019-04-09 | 上海市城市建设设计研究总院（集团）有限公司 | The nozzle protective device of pre-buried inclinometer pipe in retaining wall |
| CN211368814U (en) * | 2019-10-16 | 2020-08-28 | 中铁第六勘察设计院集团有限公司 | Subway foundation pit inclinometer pipe anti-blocking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387410A (en) * | 2022-09-23 | 2022-11-25 | 中交二航局(成都)建设工程有限公司 | Anti-damage protection device for pile foundation inclinometer pipe and application method thereof |
| CN115387410B (en) * | 2022-09-23 | 2024-01-09 | 中交二航局(成都)建设工程有限公司 | Pile foundation inclinometer pipe damage-proof protection device and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114703832B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114929969B (en) | Modularized intelligent wall-protecting cast-in-place pile and construction process thereof | |
| WO2020197061A1 (en) | Subterranean underwater structure using geotextile mold and method for constructing same | |
| CN114703832A (en) | Pre-buried equipment protection method and pre-buried equipment protection device | |
| CN106089027B (en) | A kind of construction method using anti-well rig maintenance drop shaft | |
| KR20090007826A (en) | Process of blocking water penetration and blocking earth collapsing by using impermeable wall without strut | |
| KR102002526B1 (en) | Vertical shaft excavation system and the construction method of vertical shaft using thereof | |
| CN105604064A (en) | Construction method of comprehensive pipeline protection system supporting system | |
| WO2016175445A1 (en) | Cast-in-place concrete post using geotube and damage prevention device therefor, and construction method therefor | |
| KR100984762B1 (en) | Pressing apparatus of casing of retaining well construction and the constructing method thereof | |
| CN117051831A (en) | Pile head breaking method for cast-in-place pile | |
| CN104929159B (en) | A kind of pattern foundation pit supporting structure pressure-detecting device | |
| CN108867671B (en) | Bottom sealing construction method for steel cofferdam for pouring sealing layer | |
| JP6757003B2 (en) | Construction method of double pipe pile and double pipe pile | |
| JP4313263B2 (en) | Continuous underground wall and mountain retaining method | |
| CN114657974A (en) | Method for quickly splicing cast-in-place pile under complex geological condition | |
| CN112627885B (en) | Backfill load reduction structure for top shaft of large buried depth tunnel and construction method thereof | |
| CN211873037U (en) | Support pile with reserved anchor cable hole | |
| CN211690366U (en) | Foundation pit supporting structure capable of protecting downcast pipe well | |
| JP3579815B2 (en) | Repair method for hollow foundation pile | |
| CN214460344U (en) | Pile foundation structure capable of protecting sounding pipe | |
| CN217378930U (en) | Deformation type long protection barrel structure | |
| CN214940192U (en) | Supporting construction of PHC tubular pile | |
| CN112942371B (en) | Support method for controlling deformation of subway tunnel | |
| CN112411617B (en) | Vertical soil retaining structure and construction method thereof | |
| CN217710839U (en) | Be used for steel-pipe column and steel reinforcement cage integration construction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |