CN104594396A - Ground foundation settlement monitoring system - Google Patents
Ground foundation settlement monitoring system Download PDFInfo
- Publication number
- CN104594396A CN104594396A CN201510028193.6A CN201510028193A CN104594396A CN 104594396 A CN104594396 A CN 104594396A CN 201510028193 A CN201510028193 A CN 201510028193A CN 104594396 A CN104594396 A CN 104594396A
- Authority
- CN
- China
- Prior art keywords
- magnet ring
- sedimentation
- pipe
- settlement monitoring
- pvc 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.)
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Classifications
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- 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
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Abstract
The invention discloses a ground foundation settlement monitoring system, which comprises a settlement monitoring PVC (polyvinyl chloride) pipe, a plurality of settlement magnetic rings, a fixing magnetic ring, a single-core cable, a measuring probe, a pulley block and an automatic data collecting system, wherein the settlement monitoring PVC pipe is vertically arranged in a ground foundation, the settlement magnetic rings sleeve the settlement monitoring PCV pipe, the fixing magnetic ring fixedly sleeves a pipe opening of the PVC pipe, the measuring probe and a movable pulley of the pulley block are freely moved up and down in the settlement monitoring PVC pipe, and the measuring probe is connected with a fixed pulley of the pulley block at the pipe opening and the automatic data collecting system through the single-core cable. The ground foundation settlement monitoring system has the advantages that the measuring accuracy is doubled, the data collection is more accurate, reliable and convenient, the data obtaining is easy, and the requirement of settlement monitoring of high-accuracy buildings is met.
Description
Technical field
The present invention relates to groundwork detection technology, particularly relate to a kind of monitoring device of foundation sedimentation.
Background technology
Along with the fast development of special line for passenger trains, speedway, the settlement issues of foundation receives much attention further, particularly the deformation requirements in soft foundation location is very harsh, no matter be in the construction process on basis, still operation stage from now on, long settlement observation and data acquisition must be carried out.
Fig. 1 shows the magnet ring type delaminating deposition measurement mechanism that existing foundation settlement monitoring adopts, and comprises monitoring pvc pipe 1, sedimentation magnet ring 3, the measuring probe 2 of built-in magnetic field strength transducer, the tester 12 of cable 4 connection.Monitoring pvc pipe 1 overcoat puts multiple sedimentation magnet ring 3, sensor in measuring probe 2 detects magnet ring field signal and reaches tester 12 by cable 4, tester 12 sends the sound, thus pass through the position of the scale determination magnet ring 3 on cable 4, obtain corresponding mouth of pipe elevation by level gauge measurement simultaneously, the test data of the different time of same observation station is carried out contrast the foundation settlement that can draw this point, and the settling amount on each stratum can be obtained.
There is following problem in existing magnet ring type delaminating deposition measurement mechanism: 1, when measuring probe is near magnet ring, tester sends the sound, and personnel to be tested carry out data acquisition after hearing sound again, the error that there is manually-operated delay and vary with each individual; 2, by the scale determination magnet ring position on cable, and the minimum precision of cable rule is 1mm, so the minimum monitoring accuracy of foundation settlement only can reach 1mm.Therefore, the test macro error of existing magnet ring type delaminating deposition measurement mechanism is comparatively large, is difficult to meet the high accuracy structure sedimentation monitoring requirements such as high-speed railway.
Summary of the invention
In order to solve the problem, the present invention releases a kind of novel foundation Foundation Settlement Monitor system, its object is to signal cable to be combined with assembly pulley, and increase the mouth of pipe and fix magnet ring and automatic data acquisition system, with improving measurement accuracy, guarantee that automatic data collection accurately and reliably.
The foundation sedimentation monitoring system that the present invention relates to, comprises settlement monitoring pvc pipe, sedimentation magnet ring, fixing magnet ring, single-core cable, measuring probe, assembly pulley, automatic data acquisition system.Settlement monitoring pvc pipe is vertically set in foundation, settlement monitoring pvc pipe outer cover puts multiple sedimentation magnet ring, fixing magnet ring fixed cover is placed on the monitoring pvc pipe mouth of pipe, movable pulley in measuring probe and assembly pulley freely up and down moves in settlement monitoring pvc pipe, and measuring probe is connected by the assembly pulley fixed pulley of single-core cable and the mouth of pipe and automatic data acquisition system.
The settlement monitoring pvc pipe be arranged in foundation is circle, external diameter 70mm, internal diameter 60mm.
Sedimentation magnet ring is circular ring structure, and internal diameter is slightly larger than settlement monitoring pvc pipe external diameter, and the pipe week cover along monitoring pvc pipe outside is put, and the vertical interval of sedimentation magnet ring is 100mm.Sedimentation magnet ring bulk material has permanent magnetism, makes its surrounding form magnetic field environment.
Sedimentation magnet ring annulus periphery is outwards arranged and three the band steel sheets stretched out upward, steel disc embed surrounding soil, make sedimentation magnet ring can with the common sedimentation of soil layer around.
Fixing magnet ring is band buckle circular ring structure, and be permanently fixed by buckle and be stuck in the settlement monitoring pipe mouth of pipe, bulk material has permanent magnetism, makes its surrounding form magnetic field environment.
Measuring probe is cylindrical structure, and inside arranges magnetic field strength transducer.Magnetic field strength transducer is connected with automatic data acquisition system by single-core cable.
Single-core cable is that external application leather mark has minimum scale to be the cable of 1mm.
Assembly pulley is made up of a fixed pulley and a movable pulley, and fixed pulley is fixed on assembly pulley top and is placed in more than the settlement monitoring pipe mouth of pipe, and movable pulley is connected with measuring probe by single-core cable, and freely moves up and down in settlement monitoring pipe.
Automatic data acquisition system comprises small-sized rotary electric machine and reads storage, the movement accessing its inside cable can be at the uniform velocity controlled by small-sized rotary electric machine, reading storage can by receiving the magnet ring electromagnetic signal that single-core cable transmits, quick response also reads cable epidermis scale value automatically, and stores probe by scale difference data when sedimentation magnet ring and fixing magnet ring.
During the foundation sedimentation monitoring system application that the present invention relates to, first vertically hole to projected depth with ordi-nary drilling machine in ground, carry out more piece settlement monitoring pvc pipe to connect section by section and at the bottom of hole simultaneously, and be separated by outside pvc pipe and sedimentation magnet ring be installed and to boring backfill; Again fixing magnet ring is permanently fixed and is stuck in monitoring pvc pipe mouth, then at the mouth of pipe, one group of assembly pulley is installed to be connected with cable, during test, automatic data acquisition system only need be connected top sheave group output cable by staff, utilize the measuring probe that is connected with cable pvc pipe mouth and in managing under move up and down.
When measuring probe internal magnetic field intensity sensor detects magnet ring magnetic field, produce electromagnetic signal and be sent to automatic data acquisition system by cable, record the relative position that the mouth of pipe fixes diverse location and the sedimentation magnet ring place of time in magnet ring and pipe, difference data according to measured sedimentation magnet ring and fixing magnet ring contrasts with historical data, can analyze the sedimentation value drawing each stratum.
The foundation sedimentation monitoring system that the present invention relates to, utilize assembly pulley to make the minimum precision of final monitored data be accurate to 0.5mm by 1mm, certainty of measurement promotes one times, meets high accuracy structure sedimentation detection requirement.Automatically read in by automated collection systems, image data, avoid delay that Traditional Man reads, error and varying with each individual property, data acquisition is easy to get more accurately and reliably, conveniently.
Accompanying drawing explanation
Fig. 1 is magnet ring type delaminating deposition measurement mechanism basic structure and the using state schematic diagram of prior art;
Fig. 2 is foundation sedimentation monitoring system structure provided by the invention and using state schematic diagram.
Description of symbols in figure:
1, settlement monitoring pvc pipe 2, measuring probe
3, sedimentation magnet ring 4, single-core cable
5, automatic data acquisition system 6, assembly pulley
7, fixing magnet ring 8, fixed pulley
9, movable pulley 10, read storage
11, small-sized rotary electric machine 12, tester
Detailed description of the invention
Below in conjunction with accompanying drawing 2, foundation sedimentation monitoring system provided by the invention is described in detail.
As shown in the figure, foundation sedimentation monitoring system provided by the invention comprises: settlement monitoring pvc pipe 1, sedimentation magnet ring 3, fixing magnet ring 7, single-core cable 4, measuring probe 2, assembly pulley 6, automatic data acquisition system 5.Settlement monitoring pvc pipe 1 is vertically set in foundation, settlement monitoring pvc pipe outer cover puts multiple sedimentation magnet ring 3, fixing magnet ring 7 is mounted on monitoring pvc pipe 1 mouth of pipe, movable pulley 9 in measuring probe 2 and assembly pulley 6 freely up and down can move in settlement monitoring pvc pipe 1, and measuring probe 2 is connected by assembly pulley 6 fixed pulley 8 of single-core cable 4 and the mouth of pipe and automatic data acquisition system 5.
The settlement monitoring pvc pipe 1 be arranged in foundation is circle, external diameter 70mm, internal diameter 60mm.
Sedimentation magnet ring 3 is circular ring structure, and internal diameter is slightly larger than settlement monitoring pvc pipe 1 external diameter, and the pipe week cover along monitoring pvc pipe 1 outside is put, and the vertical interval of sedimentation magnet ring is 100mm.Sedimentation magnet ring 3 bulk material has permanent magnetism, makes its surrounding form magnetic field environment.
Sedimentation magnet ring 3 annulus periphery is outwards arranged and three the band steel sheets stretched out upward, steel disc embed surrounding soil, make sedimentation magnet ring 3 can with the common sedimentation of soil layer around.
Fixing magnet ring 7 is band buckle circular ring structure, be permanently fixed and be stuck in settlement monitoring pvc pipe 1 mouth of pipe, and material has permanent magnetism, make its surrounding form magnetic field environment by buckle.
Measuring probe 2 is cylindrical structure, and inside arranges magnetic field strength transducer.Magnetic field strength transducer is connected with automatic data acquisition system 5 by single-core cable 4.
Single-core cable 4 has minimum scale to be the cable of 1mm for external application leather mark.
Assembly pulley 6 is made up of a fixed pulley 8 and a movable pulley 9, and fixed pulley 8 is fixed on assembly pulley 6 top and is placed in more than the settlement monitoring pipe mouth of pipe, and movable pulley 9 is connected with measuring probe 2 by single-core cable 4, and freely moves up and down in settlement monitoring pvc pipe 1.Utilize assembly pulley 6 physical principle: laborsaving expense distance, cable 4 length of movement in automatic data acquisition system 5 is made to be the twice of measuring probe 2 single-core cable 4 movable length, thus making the minimum precision of final monitored data be accurate to 0.5mm by 1mm, certainty of measurement promotes one times.
Automatic data acquisition system 5 inside arranges small-sized rotary electric machine 11 and reads storage 10, the movement accessing its inside cable 4 at the uniform velocity can be controlled by small-sized rotary electric machine 11, reading storage 10 can by receiving the magnet ring electromagnetic signal that single-core cable 4 transmits, quick response, automatic reading is cable epidermis scale value at that time, and stores probe by scale difference data when sedimentation magnet ring and fixing magnet ring.
During the foundation sedimentation monitoring system application that the present invention relates to, first vertically hole to projected depth with ordi-nary drilling machine in ground, carry out more piece settlement monitoring pvc pipe 1 to connect section by section and at the bottom of hole simultaneously, and be separated by outside pvc pipe 1 sedimentation magnet ring 3 and boring backfill are installed; Fixing magnet ring 7 is permanently fixed and is stuck in settlement monitoring pvc pipe 1 mouth of pipe, then at the mouth of pipe, one group of assembly pulley 6 is installed to be connected with cable 4, during test, automatic data acquisition system 5 only need be connected top sheave group 6 output cable by staff, utilize the measuring probe 2 that is connected with cable 4 pvc pipe mouth and in managing under move up and down.
When measuring probe 2 internal magnetic field intensity sensor detects magnet ring magnetic field, produce electromagnetic signal and be sent to automatic data acquisition system 5 by cable 4, record the relative position that the mouth of pipe fixes diverse location and time settlement magnet ring 3 place in magnet ring 7 and pipe, contrast with historical data with the scale difference data of fixing magnet ring 7 according to measured sedimentation magnet ring 3, the sedimentation value drawing each stratum can be analyzed.
Claims (5)
1. the monitoring system of a foundation sedimentation, it is characterized in that: comprise settlement monitoring pvc pipe, sedimentation magnet ring, fixing magnet ring, single-core cable, measuring probe, assembly pulley, automatic data acquisition system, settlement monitoring pvc pipe is vertically set in foundation, settlement monitoring pvc pipe outer cover puts multiple sedimentation magnet ring, fixing magnet ring fixed cover is placed on the monitoring pvc pipe mouth of pipe, movable pulley in measuring probe and assembly pulley freely up and down moves in settlement monitoring pvc pipe, measuring probe is connected by the assembly pulley fixed pulley of single-core cable and the mouth of pipe and automatic data acquisition system, the sedimentation magnet ring that described settlement monitoring pvc pipe outer cover is put is circular ring structure, and internal diameter is slightly larger than settlement monitoring pvc pipe external diameter, and the vertical interval of sedimentation magnet ring is 100mm, described fixing magnet ring is band buckle circular ring structure, is permanently fixed is stuck in the settlement monitoring pvc pipe mouth of pipe by buckle.
2. the monitoring system of foundation sedimentation according to claim 1, is characterized in that: described sedimentation magnet ring annulus periphery outwards arranges and stretches out three band steel sheets upward, steel disc embed surrounding soil, make sedimentation magnet ring can with the common sedimentation of soil layer around.
3. the monitoring system of foundation sedimentation according to claim 1, is characterized in that: described measuring probe is cylindrical structure, and inside arranges magnetic field strength transducer, and magnetic field strength transducer is connected with automatic data acquisition system by single-core cable.
4. the monitoring system of foundation sedimentation according to claim 1, it is characterized in that: described assembly pulley is made up of a fixed pulley and a movable pulley, fixed pulley is fixed on assembly pulley top and is placed in more than the settlement monitoring pipe mouth of pipe, movable pulley is connected with measuring probe by single-core cable, and freely moves up and down in settlement monitoring pipe.
5. the monitoring system of foundation sedimentation according to claim 1, it is characterized in that: described automatic data acquisition system comprises small-sized rotary electric machine and reads storage, the movement accessing its inside cable is at the uniform velocity controlled by small-sized rotary electric machine, reading storage can by receiving the magnet ring electromagnetic signal that single-core cable transmits, automatic reading cable epidermis scale value, and store probe by scale difference data when sedimentation magnet ring and fixing magnet ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028193.6A CN104594396B (en) | 2015-01-20 | 2015-01-20 | A kind of foundation sedimentation monitoring system |
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|---|---|---|---|
| CN201510028193.6A CN104594396B (en) | 2015-01-20 | 2015-01-20 | A kind of foundation sedimentation monitoring system |
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| CN104594396A true CN104594396A (en) | 2015-05-06 |
| CN104594396B CN104594396B (en) | 2016-06-01 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913764A (en) * | 2015-05-29 | 2015-09-16 | 四川金码科技有限公司 | Intelligent remote centralized control system for settlement meters and settlement measurement method of settlement meters |
| CN106918322A (en) * | 2017-03-24 | 2017-07-04 | 中南大学 | A kind of deep rock mass or soil body horizontal and vertical deformation joint test method |
| CN107386340A (en) * | 2017-08-04 | 2017-11-24 | 河海大学 | The detection means and detection method of sand wick depth |
| CN107741216A (en) * | 2017-11-17 | 2018-02-27 | 中南大学 | A kind of electromagnetic type solum settlement measurement apparatus |
| CN108317995A (en) * | 2018-04-26 | 2018-07-24 | 广东电网有限责任公司 | A kind of cable channel sedimentation instruction device |
| CN108385740A (en) * | 2018-03-11 | 2018-08-10 | 韩少鹏 | foundation sedimentation monitoring system |
| CN108396789A (en) * | 2018-03-11 | 2018-08-14 | 韩少鹏 | Live geotechnique's foundation Monitoring method of the subsidence |
| CN108487218A (en) * | 2018-04-01 | 2018-09-04 | 韩少鹏 | Architectural engineering foundation sedimentation monitoring system |
| CN108842833A (en) * | 2018-04-01 | 2018-11-20 | 韩少鹏 | Architectural engineering foundation Monitoring method of the subsidence |
| CN109489532A (en) * | 2018-10-29 | 2019-03-19 | 安徽理工大学 | A kind of magnetcisuspension ring ruler roadway deformation monitoring warning device |
| CN109695263A (en) * | 2019-02-28 | 2019-04-30 | 广东广强基础工程有限公司 | A kind of building foundation sedimentation monitoring system |
| CN109778921A (en) * | 2019-02-22 | 2019-05-21 | 邢红昌 | A kind of foundation sedimentation monitoring system |
| CN113267161A (en) * | 2021-05-18 | 2021-08-17 | 东南大学 | High-precision monitoring method and device for soft soil roadbed settlement |
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| CN2913466Y (en) * | 2006-05-11 | 2007-06-20 | 中国计量学院 | Automatic monitoring instrument for sedimentation of soft soil foundation |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913764A (en) * | 2015-05-29 | 2015-09-16 | 四川金码科技有限公司 | Intelligent remote centralized control system for settlement meters and settlement measurement method of settlement meters |
| CN106918322A (en) * | 2017-03-24 | 2017-07-04 | 中南大学 | A kind of deep rock mass or soil body horizontal and vertical deformation joint test method |
| CN106918322B (en) * | 2017-03-24 | 2020-07-24 | 中南大学 | Horizontal and vertical deformation combined test method for deep rock mass or soil body |
| CN107386340A (en) * | 2017-08-04 | 2017-11-24 | 河海大学 | The detection means and detection method of sand wick depth |
| CN107741216A (en) * | 2017-11-17 | 2018-02-27 | 中南大学 | A kind of electromagnetic type solum settlement measurement apparatus |
| CN108385740A (en) * | 2018-03-11 | 2018-08-10 | 韩少鹏 | foundation sedimentation monitoring system |
| CN108396789A (en) * | 2018-03-11 | 2018-08-14 | 韩少鹏 | Live geotechnique's foundation Monitoring method of the subsidence |
| CN110847145A (en) * | 2018-04-01 | 2020-02-28 | 韩少鹏 | Building engineering foundation settlement monitoring system |
| CN108842833A (en) * | 2018-04-01 | 2018-11-20 | 韩少鹏 | Architectural engineering foundation Monitoring method of the subsidence |
| CN108487218A (en) * | 2018-04-01 | 2018-09-04 | 韩少鹏 | Architectural engineering foundation sedimentation monitoring system |
| CN108487218B (en) * | 2018-04-01 | 2020-07-28 | 北京世纪寰亚建筑设计有限公司 | Building engineering foundation settlement monitoring system |
| CN110847145B (en) * | 2018-04-01 | 2021-11-12 | 中建五局华东建设有限公司 | Building engineering foundation settlement monitoring system |
| CN108842833B (en) * | 2018-04-01 | 2021-12-17 | 浙江嘉宇工程管理有限公司 | Method for monitoring foundation settlement of building engineering foundation |
| CN108317995A (en) * | 2018-04-26 | 2018-07-24 | 广东电网有限责任公司 | A kind of cable channel sedimentation instruction device |
| CN109489532A (en) * | 2018-10-29 | 2019-03-19 | 安徽理工大学 | A kind of magnetcisuspension ring ruler roadway deformation monitoring warning device |
| CN109778921A (en) * | 2019-02-22 | 2019-05-21 | 邢红昌 | A kind of foundation sedimentation monitoring system |
| CN109778921B (en) * | 2019-02-22 | 2021-02-02 | 邢红昌 | Foundation settlement monitoring system |
| CN109695263A (en) * | 2019-02-28 | 2019-04-30 | 广东广强基础工程有限公司 | A kind of building foundation sedimentation monitoring system |
| CN113267161A (en) * | 2021-05-18 | 2021-08-17 | 东南大学 | High-precision monitoring method and device for soft soil roadbed settlement |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Third Survey and Design Institute Group Ltd. |
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