CN213682108U - Multifunctional simple post-grouting structure - Google Patents

Multifunctional simple post-grouting structure Download PDF

Info

Publication number
CN213682108U
CN213682108U CN202022567435.8U CN202022567435U CN213682108U CN 213682108 U CN213682108 U CN 213682108U CN 202022567435 U CN202022567435 U CN 202022567435U CN 213682108 U CN213682108 U CN 213682108U
Authority
CN
China
Prior art keywords
pipe
grouting
sounding
pressure monitoring
pipes
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.)
Active
Application number
CN202022567435.8U
Other languages
Chinese (zh)
Inventor
朱悦铭
杨砚宗
盛旭圆
章珠珊
李阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Changkai Geotechnical Engineering Co Ltd
Original Assignee
Shanghai Changkai Geotechnical Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Changkai Geotechnical Engineering Co Ltd filed Critical Shanghai Changkai Geotechnical Engineering Co Ltd
Priority to CN202022567435.8U priority Critical patent/CN213682108U/en
Application granted granted Critical
Publication of CN213682108U publication Critical patent/CN213682108U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

The utility model provides a multifunctional simple post-grouting structure, which comprises two grouting and sounding pipes, two pile end post-grouting devices, two pipe orifice connecting devices, a prefabricated flow pressure monitoring pipe and a detachable sealing cover; two grouting and sounding pipes are embedded in a cast-in-place pile; the bottom end of the grouting and sounding pipe is connected with a pile end rear grouting device; the top end of the grouting and sound measuring pipe is connected with a prefabricated flow pressure monitoring pipe through a pipe orifice connecting device, and the prefabricated flow pressure monitoring pipe is connected with a grouting pipe; the top end of the other grouting and sounding pipe is detachably connected with a detachable sealing cover through another pipe orifice connecting device. The utility model discloses a multi-functional simple and easy post grouting structure combines slip casting pipe and ultrasonic detection pipe, reduces the pre-buried steel pipe quantity of bored concrete pile, and the prefabricated removable sealed lid improves on-the-spot sealed mouth of pipe efficiency, and the prefabricated flow pressure monitoring pipe can be more directly perceived, accurate record slip casting pressure and slip casting volume; and the post-grouting construction efficiency is improved.

Description

Multifunctional simple post-grouting structure
Technical Field
The utility model relates to a slip casting construction field behind the bored concrete pile especially relates to a multi-functional simple and easy back slip casting structure.
Background
According to the traditional pile end grouting, according to the standard requirement, at least 2-3 grouting pipes are embedded in a pile body according to the diameter of the pile body, meanwhile, if the integrity of the pile body of an engineering pile needs to be detected by ultrasonic waves, at least 2 sounding pipes need to be embedded according to the diameter of a cast-in-place pile, so that at least 4 grouting/sounding pipes need to be embedded in the pile body of the cast-in-place pile together, more steel pipes are embedded, more time is spent in steel pipe connection when a reinforcement cage is placed, if the reinforcement ratio of the cast-in-place pile is higher, the intervals between the steel pipes and the reinforcement are tighter, the difficulty is higher during steel pipe connection construction, the time is long, the requirement on constructors is high, the construction period of the cast-in-place pile is longer; meanwhile, because grouting equipment often has a certain distance from a cast-in-place pile, grouting pressure has large pressure loss in a grouting pipeline during grouting, and the real grouting pressure is difficult to reflect through a pressure gauge of the grouting equipment.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a multifunctional simple post-grouting structure which can be used for a post-grouting process of ultrasonic detection and reduce the number of pre-buried steel pipes in a cast-in-place pile; the solution is as follows: a plurality of grouting pipes and sound detecting pipes are embedded before a pile is formed; when one grouting pipe is used for grouting, the end of the other grouting pipe cannot be closed, and cement grout flows out of the other grouting pipe; and the problem that the pressure gauge of the grouting equipment cannot reflect the real grouting pressure.
In order to achieve the purpose, the utility model provides a multifunctional simple post-grouting structure, which comprises two grouting and sounding pipes, two pile end post-grouting devices, two pipe orifice connecting devices, a prefabricated flow pressure monitoring pipe and a detachable sealing cover; the two grouting and sounding pipes are embedded in a cast-in-place pile; the bottom end of the grouting and sounding pipe is connected with the post-grouting device at the pile end; the top end of the grouting and sound measuring pipe is connected with the prefabricated flow pressure monitoring pipe through the pipe orifice connecting device, and the prefabricated flow pressure monitoring pipe is connected with a grouting pipe; the top end of the other grouting sound-measuring pipe is detachably connected with the detachable sealing cover through the other pipe orifice connecting device.
Preferably, the device further comprises a valve pipe, wherein the valve pipe comprises a connecting pipe and a valve arranged on the connecting pipe; the prefabricated flow pressure monitoring pipe is connected with the grouting pipe through the connecting pipe.
Preferably, each grouting and sounding pipe is formed by connecting a plurality of grouting and sounding sub-pipes; and a mutually matched sealing structure is formed between every two adjacent grouting and sound measuring pipes.
Preferably, the pipe orifice connecting device comprises a special pipe and a plurality of rubber sealing rings; the pipe diameters of the upper parts of the special pipes are equal, and the pipe diameters of the lower parts of the special pipes are gradually reduced from top to bottom; the rubber sealing ring is sleeved and fixed on the periphery of the lower part of the special pipe; the lower part of the special pipe is inserted into the top end of the grouting and sounding pipe, and the rubber sealing ring is arranged between the special pipe and the grouting and sounding pipe in a pressing mode.
Preferably, the prefabricated flow pressure monitoring pipe comprises a pipe body, a flow meter and a pressure gauge, and the flow meter and the pressure gauge are installed on the pipe body.
The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:
the utility model discloses combine slip casting pipe and ultrasonic detection pipe, adopt slip casting and sounding pipe, reduced the pre-buried steel pipe quantity of bored concrete pile, prefabricated can dismantle sealed lid and improve the site seal mouth of pipe efficiency, prefabricated flow pressure monitoring pipe can be more directly perceived, the accuracy records slip casting pressure and slip casting volume. The utility model discloses the back slip casting efficiency of construction can be improved.
Drawings
Fig. 1 is a schematic structural view of a multifunctional simple post-grouting structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure of a grouting and acoustic detector pipe according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a nozzle connecting device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the prefabricated flow pressure monitoring pipe according to the embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be given with reference to the accompanying drawings 1 to 4, and will make the functions and features of the present invention better understood.
Referring to fig. 1, a multifunctional simple post-grouting structure according to an embodiment of the present invention includes two grouting and sounding pipes 1, two pile end post-grouting devices 2, two pipe orifice connecting devices 3, a prefabricated flow and pressure monitoring pipe 4, and a detachable sealing cover 5; two grouting and sounding pipes 1 are embedded in a cast-in-place pile 6; the bottom end of the grouting and sounding pipe 1 is connected with a pile end rear grouting device 2; the top end of a grouting and sound measuring pipe 1 is connected with a prefabricated flow pressure monitoring pipe 4 through a pipe orifice connecting device 3, and the prefabricated flow pressure monitoring pipe 4 is connected with a grouting pipe 8; the top end of the other grouting sound detecting pipe 1 is detachably connected with a detachable sealing cover 5 through another pipe orifice connecting device 3.
The valve tube 7 comprises a connecting tube 71 and a valve 72 arranged on the connecting tube 71; the pre-fabricated flow pressure monitoring pipe 4 is connected to the grouting pipe 8 through a connection pipe 71.
Referring to fig. 2, in the present embodiment, each grouting and sounding pipe 1 is formed by connecting a plurality of grouting and sounding sub-pipes 11; and a mutually matched sealing structure 111 is formed between two adjacent grouting and sound measuring pipes 11.
Referring to fig. 1 and 3, the nozzle connecting device 3 includes a special pipe 31 and a plurality of rubber sealing rings 32; the pipe diameters of the upper parts of the special pipes 31 are equal, and the pipe diameters of the lower parts of the special pipes 31 are gradually reduced from top to bottom; the rubber seal ring 32 is sleeved and fixed on the periphery of the lower part of the special pipe 31; the lower part of the special pipe 31 is inserted into the top end of the grouting and sounding pipe 1, and the rubber seal ring 32 is pressed between the special pipe 31 and the grouting and sounding pipe 1.
Referring to fig. 1 and 4, the prefabricated flow pressure monitoring pipe 4 includes a pipe body 41, a flow meter 42 and a pressure gauge 43, and the flow meter 42 and the pressure gauge 43 are installed on the pipe body 41.
Referring to fig. 1 to 4, the embodiment of the present invention provides a multifunctional simple post-grouting structure, which combines an ultrasonic detection tube and a grouting tube, and performs post-grouting control by combining a prefabricated flow pressure monitoring tube 4 and a detachable sealing cover 5. The construction method comprises the following steps:
after drilling is completed, two grouting and sounding pipes 1 are embedded in a cast-in-place pile 6 in advance, the bottom of each grouting and sounding pipe 1 is connected with a pile end rear grouting device 2, clear water splitting is completed on each grouting and sounding pipe 1 twice within 24 hours after concrete pouring is completed, and then grouting is performed after the concrete reaches strength and the grouting and sounding pipes 1 are used for performing ultrasonic detection on pile foundation integrity.
During grouting, the pipe orifice connecting device 3 is arranged in the grouting and sound measuring pipe 1, during first grouting, one grouting and sound measuring pipe 1 is connected with the prefabricated flow pressure monitoring pipe 4 through the pipe orifice connecting device 3, and the valve pipe 7 can be installed as required and is connected with the grouting pipe; the other grouting and sounding pipe 1 is sealed through a detachable sealing cover 5; during grouting, grouting is carried out through the grouting pipe, the valve 72 of the valve pipe 7 can control the flow of grout, the prefabricated flow pressure monitoring pipe 4 can accurately obtain grouting amount and grouting pressure, and meanwhile, the detachable sealing cover 5 can prevent the grout from flowing out of the other pipe; during the second slip casting, slip casting can be carried out through the other slip casting and sound measuring pipe 1, after the detachable sealing cover 5 is detached, the prefabricated flow pressure monitoring pipe 4, the valve pipe 7 and the slip casting pipe 8 are connected to the pipe, the pipe subjected to the first slip casting is sealed through the detachable sealing cover 5, and the second slip casting is carried out. And after grouting, removing the pipe orifice connecting device 3, the prefabricated flow pressure monitoring pipe 4, the valve pipe 7 and the detachable sealing cover 5, and installing the pipe orifice connecting device into the next cast-in-place pile 6 for grouting.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims (5)

1. A multifunctional simple post-grouting structure is characterized by comprising two grouting and acoustic pipes, two pile end post-grouting devices, two pipe orifice connecting devices, a prefabricated flow pressure monitoring pipe and a detachable sealing cover; the two grouting and sounding pipes are embedded in a cast-in-place pile; the bottom end of the grouting and sounding pipe is connected with the post-grouting device at the pile end; the top end of the grouting and sound measuring pipe is connected with the prefabricated flow pressure monitoring pipe through the pipe orifice connecting device, and the prefabricated flow pressure monitoring pipe is connected with a grouting pipe; the top end of the other grouting sound-measuring pipe is detachably connected with the detachable sealing cover through the other pipe orifice connecting device.
2. The multifunctional simple post-grouting structure as claimed in claim 1, further comprising a valve pipe, wherein the valve pipe comprises a connecting pipe and a valve arranged on the connecting pipe; the prefabricated flow pressure monitoring pipe is connected with the grouting pipe through the connecting pipe.
3. The multifunctional simple post-grouting structure according to claim 2, wherein each grouting and sounding pipe is formed by connecting a plurality of grouting and sounding sub-pipes; and a mutually matched sealing structure is formed between every two adjacent grouting and sound measuring pipes.
4. The multifunctional simple post-grouting structure as claimed in claim 3, wherein the pipe orifice connecting device comprises a special pipe and a plurality of rubber sealing rings; the pipe diameters of the upper parts of the special pipes are equal, and the pipe diameters of the lower parts of the special pipes are gradually reduced from top to bottom; the rubber sealing ring is sleeved and fixed on the periphery of the lower part of the special pipe; the lower part of the special pipe is inserted into the top end of the grouting and sounding pipe, and the rubber sealing ring is arranged between the special pipe and the grouting and sounding pipe in a pressing mode.
5. The multifunctional simple post-grouting structure of claim 4, wherein the pre-fabricated flow pressure monitoring pipe comprises a pipe body, a flow meter and a pressure gauge, and the flow meter and the pressure gauge are mounted on the pipe body.
CN202022567435.8U 2020-11-09 2020-11-09 Multifunctional simple post-grouting structure Active CN213682108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022567435.8U CN213682108U (en) 2020-11-09 2020-11-09 Multifunctional simple post-grouting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022567435.8U CN213682108U (en) 2020-11-09 2020-11-09 Multifunctional simple post-grouting structure

Publications (1)

Publication Number Publication Date
CN213682108U true CN213682108U (en) 2021-07-13

Family

ID=76729028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022567435.8U Active CN213682108U (en) 2020-11-09 2020-11-09 Multifunctional simple post-grouting structure

Country Status (1)

Country Link
CN (1) CN213682108U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113818443A (en) * 2021-10-26 2021-12-21 中国葛洲坝集团市政工程有限公司 Grouting method after drilling of rock-entering underground diaphragm wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113818443A (en) * 2021-10-26 2021-12-21 中国葛洲坝集团市政工程有限公司 Grouting method after drilling of rock-entering underground diaphragm wall

Similar Documents

Publication Publication Date Title
CN108277926B (en) Slurry anchor connection part grouting plumpness detection method with detection hole
CN105136195A (en) Porous medium penetration slip-casting multi-parameter monitoring device and test method thereof
CN213682108U (en) Multifunctional simple post-grouting structure
CN106290107A (en) A kind of coarse intersection crack permeation flow tester and method
CN101851936B (en) Method for constructing plastic liner pulling steel tube ultrasonic detection holes
CN107675734B (en) A kind of underwater directional vehicle construction dynamic monitoring method
CN108756910B (en) Intelligent early warning type advanced grouting device for earth pressure balance shield and construction method
CN109612909A (en) Grout transformation Rock And Soil permeance property intelligent measure experimental rig and test method
CN111335921B (en) Automatic grouting device for mounting single-point displacement meter and sectional grouting mounting method
CN206554132U (en) A kind of sound detecting pipe top anti-block apparatus
CN216586691U (en) Bored concrete pile slip casting acoustic survey device
CN108894259A (en) A kind of method of ultrasound examination subway construction of diaphragm wall quality
CN100370082C (en) Construction method for installing plastic sounding pipe
CN107795315A (en) Determination of coal seam gas pressure device and its method for measuring gas pressure of coal bed under the participation of coal mine shaft lining pit shaft hydraulic pressure
CN202073126U (en) Supersonic wave equipment for detecting filling pile
CN201660973U (en) Concrete post-pouring belt pre-sealing air exhaust structure
CN115928734A (en) Omnibearing high-pressure jet grouting method for monitoring size of reinforcement body in real time
CN202041506U (en) Ultrasonic wave detection equipment for filling file
CN211058060U (en) Wall structure of grouting sleeve
CN203626866U (en) Layout structure for anchoring density degree nondestructive testing of bending anchor rods or anchor piles
CN207863312U (en) Slurry anchor connection part with detection hole
CN202194161U (en) Detecting device for concrete at top of drilled pile
CN216351259U (en) Prestressed pipeline with sounding pipe
CN205786505U (en) A kind of anchoring type sound detecting pipe
TWI220681B (en) A simulation system and method of a grouting test body

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant