CN208953197U - Soil under vacuum preloading vacuum degree monitoring device - Google Patents

Soil under vacuum preloading vacuum degree monitoring device Download PDF

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Publication number
CN208953197U
CN208953197U CN201821368961.8U CN201821368961U CN208953197U CN 208953197 U CN208953197 U CN 208953197U CN 201821368961 U CN201821368961 U CN 201821368961U CN 208953197 U CN208953197 U CN 208953197U
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China
Prior art keywords
vacuum
pressure pipe
hard
pipe
pressure
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CN201821368961.8U
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Chinese (zh)
Inventor
金华辉
王浩军
蔡爽龙
张涛
祝青
董亚秀
徐辉
张样
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Zhejiang Water Resources And Hydropower Survey And Design Institute Co ltd
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Zhejiang Design Institute of Water Conservancy and Hydroelectric Power
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Abstract

The utility model relates to a kind of soil under vacuum preloading vacuum degree monitoring devices, including vacuum degree reading fixing end, vacuum pressure pipe, vacuum probe and geotextiles.The vacuum probe that geotextiles are wrapped up is placed in soil under vacuum preloading soil under vacuum preloading vacuum degree monitoring device or vacuum preloading seals under film, pressure vacuum gauge is fixed in concrete fixed disk, it is connected between pressure vacuum gauge and vacuum probe by pressure pipe, the equivalent observation that vacuum degree between the soil body and vacuum probe is realized by vacuum probe inbuilt in the different depth soil body meets requirement of the Soft Ground Improved By Vacuum Preloading processing about vacuum degree real-time monitoring.The utility model is simple and reliable for structure, operation is convenient, producing principle and material are convenient, safe and reliable, substantially increase soil vacuum monitoring efficiency and reliability, and safety monitoring cost is greatly reduced, it can be widely applied to Large-area Vacuum Preloading soil vacuum real-time monitoring.

Description

Soil under vacuum preloading vacuum degree monitoring device
Technical field
The utility model relates to vacuum preloading vacuum-degree monitoring technical field more particularly to a kind of soil under vacuum preloading vacuum Spend monitoring device.
Background technique
As strand Park district economy construction investment paces are accelerated, it is becoming tight land resource day, for the rank for guaranteeing economic construction Connecing property, it is one of the effective way of coastal area solution land resource scarcity, soil vacuum that large area, which encloses extra large vacuum preloading with making, It is construction process control important indicator that degree, which especially seals the observation of under-membrance vacuum degree, is to understand whether prefabricating load reaches design and want One of the important evidence for vacuum pre-press reinforcing effect assessment of summing.
But at this stage often using Electrical Measuring Instrument probe or artificial vacuum pipe network measurement method: 1, Electrical Measuring Instrument is popped one's head in: electricity It is with high costs to survey instrument probe, it is difficult to realize that Large-area Vacuum Preloading basement process place is applied;2, artificial vacuum pipe network measurement Mode: often pressure pipe is inserted directly into vacuum pipe network, it is difficult to effectively observation soil under vacuum preloading vacuum degree and soil vacuum Dissipation situation is spent, the real-time control of vacuum preloading construction quality is unfavorable for.To sum up, at this stage due to Electrical Measuring Instrument it is high at The limitation of this and artificial vacuum pipe network measurement method, it is difficult to effectively monitoring soil under vacuum preloading vacuum degree, and not yet send out at present Now it is suitable for Large-area Vacuum Preloading soil vacuum monitoring device.Therefore low cost, simple and reliable vacuum preloading soil are developed Body vacuum degree monitoring device seems more important.
Utility model content
In order to reduce vacuum preloading vacuum-degree monitoring cost, Large-area Vacuum Preloading vacuum-degree monitoring efficiency, this reality are improved Soil under vacuum preloading vacuum degree monitoring device is provided from Practical Project with novel, structural principle is simple, easy to operate fast Victory, and cost of manufacture and material are convenient, technical solution provided by the utility model are as follows:
Soil under vacuum preloading vacuum degree monitoring device, including vacuum degree reading fixing end, vacuum pressure pipe, vacuum probe and Geotextiles, described vacuum pressure pipe one end is connected and fixed on the vacuum degree reading fixing end on vacuum preloading sealing film, another End connection is embedded in the vacuum probe in the vacuum soil body or under vacuum preloading sealing film;The vacuum probe includes hard pressure Pipe, conical top cover and fixed rope, hard pressure pipe is protruded into one end of the vacuum pressure pipe, and is fixed by fixed rope In in hard pressure pipe;It is respectively equipped on the interlude tube body for protruding into hard pressure pipeline section and hard pressure pipe of vacuum pressure pipe Pressure drilling, one end of hard pressure pipe are equipped with the conical top cover being sealed on hard pressure pipe, hard pressure tube outer surface packet Geotextiles are wrapped with, ties up and is fixed on the vacuum pressure pipe except the hard pressure pipe other end after geotextiles are wrapped up, it can be effective Isolated vacuum ground preloading weak soil mud vacuum pressure pipe, guarantees effective observation of soil vacuum.
The vacuum degree reading fixing end includes pressure vacuum gauge, pressure pipe conversion head, hard fixing pipe and concrete Fixed disk, concrete fixed disk center are inserted with hard fixing pipe, and concrete fixed disk outer surface is enclosed with geotextiles, soil The fixed bottom end for being bound in hard fixing pipe of work cloth;The other end of the vacuum pressure pipe passes through geotextiles and concrete is fixed Disk, and penetrate in hard fixing pipe and connect by pressure pipe conversion head with pressure vacuum gauge, it is solid that pressure vacuum gauge is fixed on hard Determine the top of pipe, to realize the intuitive real-time monitoring of vacuum degree, and effective protection is carried out to vacuum preloading sealing film.
When with beginning is vacuumized, water level decreasing vacuum pressure is gradually formed in the hydraulic reclamation soil body, makes vacuum probe cavity shape At the vacuum degree equivalent with the periphery soil body, and as vacuum pressure pipe is transferred to pressure vacuum gauge, manually read.
The utility model the utility model has the advantages that
1, the utility model structural principle is simple, manufacturing cost is low, and monitoring data are intuitive and reliable, easy to operate.
2, the utility model can only pass through water using geotextiles package vacuum probe isolation soil body siltation vacuum probe, formation Gentle opposing seal cavity realizes the synchronism of sealing cavity and periphery soil vacuum, substantially increases the concrete soil body The inbuilt survival rate of reliability and monitoring instrument of vacuum-degree monitoring.
3, the utility model fully considers the importance of vacuum preloading sealing film sealing effect, on the outside of fixed disk and vacuum Protectiveness geotextiles are wrapped up in probe outside, prevent the destruction that film is sealed to vacuum preloading.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- vacuum degree reads fixing end;11- pressure vacuum gauge;12- pressure pipe conversion head;13- hard fixing pipe; 14- concrete fixed disk;2- vacuum pressure pipe;3- vacuum probe;31- hard pressure pipe;32- conical top cover;33- fixed rope Rope;4- geotextiles.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model soil under vacuum preloading vacuum degree monitoring device, including vacuum degree reading fixing end 1, Vacuum pressure pipe 2, vacuum probe 3 and geotextiles 4, one end of vacuum pressure pipe 2 are connected and fixed on vacuum preloading sealing film Vacuum degree reads fixing end 1, and other end connection is embedded in the vacuum probe 3 in the vacuum soil body or under vacuum preloading sealing film;Very Sky probe 3 includes hard pressure pipe 31, conical top cover 32 and fixed rope 33, and hard pressure is protruded into one end of vacuum pressure pipe 2 Pipe 31, and be fixed in hard pressure pipe 31 by fixed rope 33;Vacuum pressure pipe 2 protrudes into 31 sections of hard pressure pipe and hard It is respectively equipped with pressure drilling on the interlude tube body of matter pressure pipe 31,2 sections of vacuum pressure pipe of the pipe range equipped with pressure drilling omits Less than the pipe range of hard pressure pipe 31;One end of hard pressure pipe 31 is equipped with the conical top cover being sealed on hard pressure pipe 31 32,31 outer surface of hard pressure pipe is enclosed with geotextiles 4, will geotextiles 4 wrap up after tie up that be fixed on hard pressure pipe 31 another On vacuum pressure pipe 2 except end.
It includes pressure vacuum gauge 11, pressure pipe conversion head 12, hard fixing pipe 13 and concrete that vacuum degree, which reads fixing end 1, Fixed disk 14,14 center of concrete fixed disk are inserted with hard fixing pipe 13, and 14 outer surface of concrete fixed disk is enclosed with Geotextiles 4, the fixed bottom end for being bound in hard fixing pipe 13 of geotextiles 4;The other end of the vacuum pressure pipe 2 passes through geotextiles 4 and concrete fixed disk 14, and penetrate in hard fixing pipe 13 and connect by pressure pipe conversion head 12 with pressure vacuum gauge 11, very Hollow pressure gauge 11 is fixed on the top of hard fixing pipe 13.
The monitoring method of the utility model soil under vacuum preloading vacuum degree monitoring device, comprising the following steps:
A, the hard pressure pipe 31 and hard fixing pipe 13 for having tailored certain length in advance are buried according to the design of vacuum probe 3 If position and depth, cuts and make the vacuum pressure pipe 2 of certain length, according to the length more smaller than 31 pipe range of hard pressure pipe, One end of vacuum pressure pipe 2 opens up pressure drilling, the preferably irregular sequence of pressure drilling;In the interlude of hard pressure pipe 31 Pressure drilling is opened up on tube body;Hard pressure pipe 31 is protruded into the one end for the vacuum pressure pipe 2 for offering pressure drilling, and is passed through Fixed rope 33 is fixed in hard pressure pipe 31;It is inserted into tapered top cover 32 in 31 one end of hard pressure pipe, and is wrapped in outer surface Geotextiles 4 are wrapped up in, geotextiles 4 are tied up and are fixed on the vacuum pressure pipe 2 except 31 other end end of hard pressure pipe;
B, casting concrete fixed disk 14 is inserted into hard fixing pipe 13 and is erected at 14 center of concrete fixed disk when pouring It is straight fixed, after concrete setting is fixed, concrete fixed disk 14 is wrapped up with geotextiles 4, and be bound in hard fixing pipe 13 Bottom end;
C, when vacuum preloading seals film and vacuum pump is completed to lay, on the vacuum preloading sealing film near burial place An opening is opened up, downward by the conical top cover 32 for the vacuum probe 3 made, the design depth of burying soil body is pressed by rod piece In or the vacuum preloading sealing film at a certain distance from lying in away from opening under, tie up opening vacuum preloading sealing film in vacuum pressure In solenoid 2, blend compounds water-stop;
D, it is placed around vacuum degree reading fixing end 1 in opening, the other end of vacuum pressure pipe 2 is passed through into 4 He of geotextiles Concrete fixed disk 14, and penetrate in hard fixing pipe 13 and connect by pressure pipe conversion head 12 with pressure vacuum gauge 11, and will Pressure vacuum gauge 11 is fixed on the top of hard fixing pipe 13, and adjustment vacuum degree reading 1 position of fixing end is in relatively steady place;
E, it opens vacuum pump and carries out vacuum preloading, check that former vacuum preloading seals film opening sealing effect, vacuum pressure Table 11 and 12 junction of pressure pipe conversion head seal situation, carry out soil under vacuum preloading vacuum-degree monitoring after confirming sealing effect.
The utility model is described in above-described embodiment combination attached drawing, and but it cannot be understood as practical to this The limitation of new patent range, it is noted that for those of ordinary skill in the art, practical new not departing from this Under the premise of type is conceived, various modifications and improvements can be made, these belong to the protection scope of the utility model.

Claims (3)

1. soil under vacuum preloading vacuum degree monitoring device, including vacuum degree reading fixing end (1), vacuum pressure pipe (2), vacuum are visited Head (3) and geotextiles (4), it is characterised in that: described vacuum pressure pipe (2) one end is connected and fixed on vacuum preloading sealing film Vacuum degree read fixing end (1), other end connection be embedded in the vacuum soil body or vacuum preloading sealing film under vacuum probe (3);The vacuum probe (3) includes hard pressure pipe (31), conical top cover (32) and fixed rope (33), the vacuum One end of pressure pipe (2) is protruded into hard pressure pipe (31), and is fixed in hard pressure pipe (31) by fixed rope (33);Very Pressure is respectively equipped on the interlude tube body for protruding into hard pressure pipe (31) section and hard pressure pipe (31) of pneumatics solenoid (2) to open Hole, one end of hard pressure pipe (31) are equipped with the conical top cover (32) being sealed on hard pressure pipe (31), hard pressure pipe (31) outer surface is enclosed with geotextiles (4), is fixed on tying up after geotextiles (4) package except hard pressure pipe (31) other end Vacuum pressure pipe (2) on.
2. soil under vacuum preloading vacuum degree monitoring device according to claim 1, it is characterised in that: the vacuum degree is read Number fixing end (1) includes pressure vacuum gauge (11), pressure pipe conversion head (12), hard fixing pipe (13) and concrete fixed disk (14), concrete fixed disk (14) center is inserted with hard fixing pipe (13), concrete fixed disk (14) outer surface package Have geotextiles (4), the fixed bottom end for being bound in hard fixing pipe (13) of geotextiles (4);The other end of the vacuum pressure pipe (2) Across geotextiles (4) and concrete fixed disk (14), and penetrate in hard fixing pipe (13) by pressure pipe conversion head (12) with Pressure vacuum gauge (11) connection, pressure vacuum gauge (11) are fixed on the top of hard fixing pipe (13).
3. soil under vacuum preloading vacuum degree monitoring device according to claim 1, it is characterised in that: described is equipped with pressure The pipe range of vacuum pressure pipe (2) section of aperture is slightly less than the pipe range of hard pressure pipe (31).
CN201821368961.8U 2018-08-23 2018-08-23 Soil under vacuum preloading vacuum degree monitoring device Active CN208953197U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821368961.8U CN208953197U (en) 2018-08-23 2018-08-23 Soil under vacuum preloading vacuum degree monitoring device

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Application Number Priority Date Filing Date Title
CN201821368961.8U CN208953197U (en) 2018-08-23 2018-08-23 Soil under vacuum preloading vacuum degree monitoring device

Publications (1)

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CN208953197U true CN208953197U (en) 2019-06-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108918023A (en) * 2018-08-23 2018-11-30 浙江省水利水电勘测设计院 A kind of soil under vacuum preloading vacuum degree monitoring device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108918023A (en) * 2018-08-23 2018-11-30 浙江省水利水电勘测设计院 A kind of soil under vacuum preloading vacuum degree monitoring device and method

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Address after: 310002, No. 66, Funing lane, Shangcheng District, Zhejiang, Hangzhou

Patentee after: Zhejiang water resources and Hydropower Survey and Design Institute Co.,Ltd.

Address before: 310002, No. 66, Funing lane, Shangcheng District, Zhejiang, Hangzhou

Patentee before: ZHEJIANG DESIGN INSTITUTE OF WATER CONSERVANCY & HYDROELECTRIC POWER

CP01 Change in the name or title of a patent holder