CN104594396B - A kind of foundation sedimentation monitoring system - Google Patents

A kind of foundation sedimentation monitoring system Download PDF

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Publication number
CN104594396B
CN104594396B CN201510028193.6A CN201510028193A CN104594396B CN 104594396 B CN104594396 B CN 104594396B CN 201510028193 A CN201510028193 A CN 201510028193A CN 104594396 B CN104594396 B CN 104594396B
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China
Prior art keywords
magnet ring
sedimentation
pipe
pvc pipe
monitoring
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CN201510028193.6A
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Chinese (zh)
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CN104594396A (en
Inventor
叶鹏
冷景岩
张利国
陈则连
乔平
赵润涛
周丽华
杨明雨
孙宏伟
李曙光
刘�东
雷晓雨
袁小飞
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China Railway Design Corp
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CHINA RAILWAY THIRD SURVEY AND DESIGN INSTITUTE GROUP Ltd
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Publication of CN104594396A publication Critical patent/CN104594396A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/10Miscellaneous comprising sensor means

Abstract

The present invention discloses a kind of foundation sedimentation monitoring system, comprises settlement monitoring pvc pipe, sedimentation magnet ring, fixing magnet ring, single-core cable, measuring sonde, tackleblock, 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 permanent sleeve is placed on the monitoring pvc pipe mouth of pipe, travelling block in measuring sonde and tackleblock freely up and down moves in settlement monitoring pvc pipe, and measuring sonde is connected with tackleblock fixed pulley and the automatic data acquisition system of the mouth of pipe by single-core cable. The foundation sedimentation monitoring system that the present invention relates to, measuring accuracy promotes one times, and data gathering more accurately and reliably, be conveniently easy to get, meets high precision structure sedimentation detection requirement.

Description

A kind of foundation sedimentation monitoring system
Technical field
The present invention relates to groundwork detection technology, particularly relate to the monitoring device of a kind of foundation sedimentation.
Background technology
Along with the fast development of special line for passenger trains, motorway, the settlement issues of foundation receives much attention further, particularly the deformation requirements in soft clay ground location is very harsh, no matter it is in the construction process on basis, still operation stage from now on, it is necessary to carry out long-time sedimentation observation and data gathering.
Fig. 1 shows the magnet ring type delaminating deposition measuring apparatus that existing foundation settlement monitoring adopts, and comprises monitoring pvc pipe 1, sedimentation magnet ring 3, the measuring sonde 2 of built-in magneticstrength sensor, the tester 12 of cable 4 connection. Monitoring pvc pipe 1 overcoat puts multiple sedimentation magnet ring 3, sensor in measuring sonde 2 detects magnet ring field signal and reaches tester 12 by cable 4, tester 12 sends the sound, thus the position of magnet ring 3 is determined by the scale on cable 4, obtain corresponding mouth of pipe elevation by spirit-leveling instrument measurement simultaneously, undertaken the test data of the different time of same observation station contrasting the ground sedimentation that can draw this point, and the sinkability on each stratum can be obtained.
There is following problem in existing magnet ring type delaminating deposition measuring apparatus: 1, when measuring sonde is near magnet ring, tester sends the sound, and personnel to be tested carry out data gathering, the delay that there is manual operation and the error varied with each individual again after hearing sound; 2, magnet ring position is determined by the scale on cable, and the minimum precision of cable graduated scale is 1mm, so the minimum monitoring accuracy of ground sedimentation only can reach 1mm. Therefore, the test macro error of existing magnet ring type delaminating deposition measuring apparatus is bigger, it is very difficult to meet the high precision 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 Monitoring systems, its object is to be combined signal cable with tackleblock, and increase the fixing magnet ring of the mouth of pipe and automatic data acquisition system, with improving measurement accuracy, guarantee 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 sonde, tackleblock, 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 permanent sleeve is placed on the monitoring pvc pipe mouth of pipe, travelling block in measuring sonde and tackleblock freely up and down moves in settlement monitoring pvc pipe, and measuring sonde is connected with tackleblock fixed pulley and the automatic data acquisition system of the mouth of pipe by single-core cable.
The settlement monitoring pvc pipe being 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 spacing of sedimentation magnet ring is 100mm. Sedimentation magnet ring body material has permanent magnetism so that it is surrounding forms magnetic field environment.
Three band steel sheets that sedimentation magnet ring annulus periphery outwards arranges and stretches out upward, steel disc embeds surrounding soil, makes the sedimentation magnet ring can sedimentation common with soil layer around.
Fixing magnet ring is that circular ring structure buckled by band card, is buckled by card and its permanent fixing is stuck in the settlement monitoring pipe mouth of pipe, and body material has permanent magnetism so that it is surrounding forms magnetic field environment.
Measuring sonde is cylindrical structure, and inside arranges magneticstrength sensor. Magneticstrength sensor is connected with automatic data acquisition system by single-core cable.
Single-core cable is the cable that external application skin indicates that minimum scale is 1mm.
Tackleblock is made up of a fixed pulley and a travelling block, and fixed pulley is fixed on tackleblock top and is placed in more than the settlement monitoring pipe mouth of pipe, and travelling block is connected by single-core cable and measuring sonde, and freely moves up and down in settlement monitoring pipe.
Automatic data acquisition system comprises small-sized rotary electric machine and device is deposited in reading, the movement of its inside cable can be at the uniform velocity controlled to access by small-sized rotary electric machine, reading to deposit device can by receiving the magnet ring electromagnetism signal that single-core cable transmits, respond fast and automatically read cable epidermis scale value, and store probe by scale difference data when sedimentation magnet ring and fixing magnet ring.
When the foundation sedimentation monitoring system that the present invention relates to is applied, first vertically hole to designing the degree of depth with ordi-nary drilling machine in ground, carry out simultaneously more piece settlement monitoring pvc pipe connect section by section and under at the bottom of hole, and be separated by outside pvc pipe and sedimentation magnet ring be installed and to boring backfill; It is stuck in monitoring pvc pipe mouth again by forever fixing for fixing magnet ring, then at the mouth of pipe, one group of tackleblock is installed to be connected with cable, during test, automatic data acquisition system only need to be connected top sheave group output terminal cable by staff, moves up and down under utilizing the measuring sonde being connected with cable in pvc pipe mouth and pipe.
When measuring sonde internal magnetic field intensity sensor detects magnet ring magnetic field, produce electromagnetism signal and it is sent to automatic data acquisition system by cable, record the relative position at different positions and the sedimentation magnet ring place of time in the fixing magnet ring of the mouth of pipe and pipe, contrast with historical data according to the difference data of measured sedimentation magnet ring and fixing magnet ring, the sedimentation value drawing each stratum can be analyzed.
The foundation sedimentation monitoring system that the present invention relates to, utilizes tackleblock to make the minimum precision of final monitoring data be accurate to 0.5mm by 1mm, and measuring accuracy promotes one times, meets high precision structure sedimentation detection requirement. Automatically read in by automated collection systems, image data, avoid artificial delay, error and the varying with each individual property read of tradition, data gathering is more accurately and reliably, be conveniently easy to get.
Accompanying drawing explanation
Fig. 1 is magnet ring type delaminating deposition measuring apparatus 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 sonde
3, sedimentation magnet ring 4, single-core cable
5, automatic data acquisition system 6, tackleblock
7, fixing magnet ring 8, fixed pulley
9, device is deposited in travelling block 10, reading
11, small-sized rotary electric machine 12, tester
Embodiment
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 sonde 2, tackleblock 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, travelling block 9 in measuring sonde 2 and tackleblock 6 freely up and down can move in settlement monitoring pvc pipe 1, and measuring sonde 2 is connected with tackleblock 6 fixed pulley 8 and the automatic data acquisition system 5 of the mouth of pipe by single-core cable 4.
The settlement monitoring pvc pipe 1 being 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 spacing of sedimentation magnet ring is 100mm. Sedimentation magnet ring 3 body material has permanent magnetism so that it is surrounding forms magnetic field environment.
Three band steel sheets that sedimentation magnet ring 3 annulus periphery outwards arranges and stretches out upward, steel disc embeds surrounding soil, makes the sedimentation magnet ring 3 can sedimentation common with soil layer around.
Fixing magnet ring 7 is that circular ring structure buckled by band card, is buckled by card and its permanent fixing is stuck in settlement monitoring pvc pipe 1 mouth of pipe, and material has permanent magnetism so that it is surrounding forms magnetic field environment.
Measuring sonde 2 is cylindrical structure, and inside arranges magneticstrength sensor. Magneticstrength sensor is connected with automatic data acquisition system 5 by single-core cable 4.
Single-core cable 4 indicates the cable that minimum scale is 1mm for external application skin.
Tackleblock 6 is made up of a fixed pulley 8 and a travelling block 9, and fixed pulley 8 is fixed on tackleblock 6 top and is placed in more than the settlement monitoring pipe mouth of pipe, and travelling block 9 is connected by single-core cable 4 and measuring sonde 2, and freely moves up and down in settlement monitoring pvc pipe 1. Utilize tackleblock 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 sonde 2 single-core cable 4 movable length, so that the final minimum precision of monitoring data is accurate to 0.5mm by 1mm, measuring accuracy promotes one times.
Automatic data acquisition system 5 inside arranges small-sized rotary electric machine 11 and device 10 is deposited in reading, can at the uniform velocity control to access the movement of its inside cable 4 by small-sized rotary electric machine 11, reading to deposit device 10 can by receiving the magnet ring electromagnetism signal that single-core cable 4 transmits, response fast, automatically read cable epidermis scale value at that time, and store probe by scale difference data when sedimentation magnet ring and fixing magnet ring.
When the foundation sedimentation monitoring system that the present invention relates to is applied, first vertically hole to designing the degree of depth with ordi-nary drilling machine in ground, carry out simultaneously more piece settlement monitoring pvc pipe 1 connect section by section and under at the bottom of hole, and be separated by outside pvc pipe 1 and sedimentation magnet ring 3 and boring backfill be installed; It is stuck in settlement monitoring pvc pipe 1 mouth of pipe by forever fixing for fixing magnet ring 7, then at the mouth of pipe, one group of tackleblock 6 is installed to be connected with cable 4, during test, automatic data acquisition system 5 only need to be connected top sheave group 6 output terminal cable by staff, moves up and down under utilizing the measuring sonde 2 being connected with cable 4 in pvc pipe mouth and pipe.
When measuring sonde 2 internal magnetic field intensity sensor detects magnet ring magnetic field, produce electromagnetism signal and it is sent to automatic data acquisition system 5 by cable 4, record the relative position at different positions and time settlement magnet ring 3 place in the fixing magnet ring 7 of the mouth of pipe and pipe, contrast with historical data according to the scale difference data of measured sedimentation magnet ring 3 with fixing magnet ring 7, the sedimentation value drawing each stratum can be analyzed.

Claims (5)

1. the Monitoring systems of a foundation sedimentation, it is characterized in that: comprise settlement monitoring pvc pipe, sedimentation magnet ring, fixing magnet ring, single-core cable, measuring sonde, tackleblock, 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 permanent sleeve is placed on the monitoring pvc pipe mouth of pipe, travelling block in measuring sonde and tackleblock freely up and down moves in settlement monitoring pvc pipe, measuring sonde is connected with tackleblock fixed pulley and the automatic data acquisition system of the mouth of pipe by single-core cable, 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 spacing of sedimentation magnet ring is 100mm, described fixing magnet ring is that circular ring structure buckled by band card, is buckled by card and its permanent fixing is stuck in the settlement monitoring pvc pipe mouth of pipe.
2. the Monitoring systems of foundation sedimentation according to claim 1, it is characterised in that: described sedimentation magnet ring annulus periphery outwards arranges and stretches out three band steel sheets upward, and steel disc embeds surrounding soil, makes the sedimentation magnet ring can sedimentation common with soil layer around.
3. the Monitoring systems of foundation sedimentation according to claim 1, it is characterised in that: described measuring sonde is cylindrical structure, and inside arranges magneticstrength sensor, and magneticstrength sensor is connected with automatic data acquisition system by single-core cable.
4. the Monitoring systems of foundation sedimentation according to claim 1, it is characterized in that: described tackleblock is made up of a fixed pulley and a travelling block, fixed pulley is fixed on tackleblock top and is placed in more than the settlement monitoring pipe mouth of pipe, travelling block is connected by single-core cable and measuring sonde, and freely moves up and down in settlement monitoring pipe.
5. the Monitoring systems of foundation sedimentation according to claim 1, it is characterized in that: described automatic data acquisition system comprises small-sized rotary electric machine and device is deposited in reading, at the uniform velocity control to access the movement of its inside cable by small-sized rotary electric machine, reading to deposit device can by receiving the magnet ring electromagnetism signal that single-core cable transmits, automatically read cable epidermis scale value, and store probe by scale difference data when sedimentation magnet ring and fixing magnet ring.
CN201510028193.6A 2015-01-20 2015-01-20 A kind of foundation sedimentation monitoring system Active CN104594396B (en)

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* Cited by examiner, † Cited by third party
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
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
CN107386340B (en) * 2017-08-04 2019-11-12 河海大学 The detection device and detection method of sand wick depth
CN108385740B (en) * 2018-03-11 2020-05-15 南京锦盛电力工程监理有限公司 Foundation settlement monitoring system
CN108396789B (en) * 2018-03-11 2020-08-28 上海高科工程咨询监理有限公司 Method for monitoring settlement of foundation of on-site geotechnical foundation
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
CN108842833A (en) * 2018-04-01 2018-11-20 韩少鹏 Architectural engineering foundation Monitoring method of the subsidence
CN109489532B (en) * 2018-10-29 2020-05-12 安徽理工大学 Magnetic suspension ring ruler roadway deformation monitoring and early warning device
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

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BG64992B1 (en) * 2001-04-24 2006-11-30 Иван КАЛЧЕВ Monitoring system for following any pressure changes in a hydrotechnical piece of equipment
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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CN104264651A (en) * 2014-10-27 2015-01-07 铁道第三勘察设计院集团有限公司 Roadbed horizontal displacement and vertical displacement comprehensive testing system
CN204418237U (en) * 2015-01-20 2015-06-24 铁道第三勘察设计院集团有限公司 A kind of monitoring system of foundation sedimentation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG64992B1 (en) * 2001-04-24 2006-11-30 Иван КАЛЧЕВ Monitoring system for following any pressure changes in a hydrotechnical piece of equipment
CN2913466Y (en) * 2006-05-11 2007-06-20 中国计量学院 Automatic monitoring instrument for sedimentation of soft soil foundation
CN101476337A (en) * 2009-01-15 2009-07-08 北京交通大学 Automatic monitoring apparatus and method for layered vertical sedimentation and lateral displacement of roadbed
CN204000824U (en) * 2014-07-23 2014-12-10 北京城市排水集团有限责任公司 A kind of monitoring device for structure foundation settlement
CN104264651A (en) * 2014-10-27 2015-01-07 铁道第三勘察设计院集团有限公司 Roadbed horizontal displacement and vertical displacement comprehensive testing system
CN204418237U (en) * 2015-01-20 2015-06-24 铁道第三勘察设计院集团有限公司 A kind of monitoring system of foundation sedimentation

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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.