CN104164861A - Method for monitoring foundation settlement - Google Patents
Method for monitoring foundation settlement Download PDFInfo
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- CN104164861A CN104164861A CN201410424563.3A CN201410424563A CN104164861A CN 104164861 A CN104164861 A CN 104164861A CN 201410424563 A CN201410424563 A CN 201410424563A CN 104164861 A CN104164861 A CN 104164861A
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Abstract
The invention discloses a method for monitoring foundation settlement. The method mainly solves the problems that a detection result of the existing continuous foundation settling volume is not accurate and errors exist. The method mainly includes the following steps that (1) after a foundation is finished and before a building is constructed, a steel wire hose is arranged on the foundation, the two ends of the steel wire hose are located on the two sides of the foundation respectively, and one or more RFID electronic labels are arranged in the steel wire hose; (2) the two ends of the steel wire hose extend out of the foundation respectively, the foundation is further provided with a marker post penetrating through a force maintaining layer, and a reader for reading information of the RFID electronic labels is fixed to the marker post, wherein the ends of the marker post are fixed to an underlying stratum; (3) position information of the RFID electronic labels is automatically recognized and tracked through the reader, so that the positions of the RFID electronic labels are confirmed in real time. The method has the advantages that a measurement result is accurate and a measurement method is simple.
Description
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Technical field
The present invention relates to a kind of building detection method, what be specifically related to is a kind of monitoring method of foundation settlement.
Background technology
Before building and earth structure are built, in ground, exist already the selfweight stress being caused by soil body self gravitation.Building and earth structure load pass to ground by the bottom surface of basis or embankment, the original stress state of natural soil layer is changed, under additional three-dimensional stress component effect, in ground, produce vertical, side direction and shear strain, cause the vertical and lateral displacement of each point.The vertical deformation of foundation surface is called foundation settlement, or foundation settlement.
The sedimentation that building lot produces under action of long-term load, its final settlement can be divided into three parts: initial settlement (or claiming immediate settlement), primary consolidation sedimentation (abbreviation consolidation settlement) and secondary consolidation settlement.
Initial settlement: claim again immediate settlement, refer to the moment that outer lotus adds, the sedimentation that saturated soft soil pore water occurs while still having little time to discharge, only there is deformation and do not have body to become in the soil body now, generally this distortion is referred to as to shear strain, calculates by elastic deformation.Load application on saturated soft clay foundation, especially as interim or live load account for warehouse, the oil tank of very large proportion and be subject to the high-rise structures etc. of wind load, the initial settlement amount causing therefrom will account for the considerable part of total settlement, should give estimation.
Primary consolidation sedimentation: after referring to that load action is on ground, along with the continuity of time, the sedimentation occurring in the continuous exclusion process of outer lotus pore water constant and in foundation soil, it arises from load applies, terminating in after pore water pressure that load causes dissipates completely, is the major part of foundation settlement.Secondary consolidation settlement just can start before consolidation settlement is stable, can think and just occur while completing (degree of consolidation reaches 100%) in primary consolidation while generally calculating.
Secondary consolidation settlement: secondary consolidation settlement amount is often much smaller than primary consolidation settlement, can ignore greatly.But to the cohesive soil of dead-soft, as mud, mucky soil, while especially containing the organic matters such as humus, or when being subject to less pressure increment, deep high-compressibility soil layer likens the used time to, secondary consolidation settlement can become a chief component of total settlement, should give to pay attention to.
What existing foundation settlement detected is mostly bulk settling amount, the continuous sedimentation amount that detects that cannot be easy, and also also there is greatly error in the result detecting.
Summary of the invention
The object of the invention is to solve existing ground continuous sedimentation amount testing result inaccuracy, there is the problem of error, a kind of monitoring method that effectively accurately detects the foundation settlement of continuous sedimentation amount is provided.
For solving above-mentioned shortcoming, technical scheme of the present invention is as follows:
A monitoring method for foundation settlement, is mainly made up of following steps:
(1) after ground completes, before building operations, wired hose is located on ground, these wired hose two ends lay respectively at ground both sides, and more than one RFID electronic tag is set in wired hose;
(2) ground position is extended respectively at these wired hose two ends, and a mark post that runs through bearing stratum and end and be fixed to substratum is also set on this ground, fixedly reads the reader of RFID electronic labeling information on this mark post;
(3) by the positional information of reader automatic Identification and tracking RFID electronic tag, and then in real time the position of RFID electronic tag is determined.
The present invention is applied in foundation settlement detection by REID, position relationship between RFID electronic tag on reader and ground on effectively real-time positioning mark pole, position relationship by initial position relation and after changing compares, not only can accurately measure the continuous sedimentation amount of ground, and whether base departs from home position on horizontal plane definitely, is convenient to understand the soil property situation of this construction place.
Further, be also included in the limited block that restriction RFID electronic tag position is set in wired hose, and pass this limited block and be connected to the traction steel wire on RFID electronic tag.
Further, have the through hole matching with traction steel wire size on described limited block, traction steel wire is through this through hole, and RFID electronic tag is fixed on traction steel wire, and by fixing two terminations of the traction steel wire ring-type that forms.
The elect magnetic field sending from identifier in the time identifying because of some labels just can obtain energy, does not need battery; But also there are some labels itself have power supply and can initiatively send radio wave.Those labels that have a power supply, after itself power supply uses, need to be changed power supply, if RFID electronic tag is to be fixed in wired hose, its replacing is very constant, causes service time shorter.
The present invention, by the setting of traction steel wire, can be effectively convenient to the taking-up of RFID electronic tag, and then facilitates power supply to change, and extends its application life, meanwhile, is also more convenient to maintenance when its RFID electronic tag damages.Because reader in prior art not only has read functions, also there is write-in functions, thereby, can first measure this position at taking-up RFID electronic tag, take out after replacing or maintenance, then re-write the front position data of measuring of taking-up, operate very simple.
In order to reach more accurate data message, described RFID electronic tag is three, lays respectively at middle part and the two ends of wired hose, in these wired hose three places, fixes respectively a limited block.Numerical value change by three positions measures average.
The present invention compared with prior art, has the following advantages and beneficial effect:
1, the present invention can detect the continuous sedimentation amount of ground more easily, and the continuous sedimentation amount detecting is more accurate, and whether base departs from home position on horizontal plane definitely, is convenient to understand the soil property situation of this construction place;
2, the continuous sedimentation amounts that ground diverse location place can be detected of the present invention, and horizontal-shift degree etc., can understand ground place soil property situation in more detail.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
A monitoring method for foundation settlement, is mainly made up of following steps:
(1) after ground completes, before building operations, wired hose is located on ground, these wired hose two ends lay respectively at ground both sides, and more than one RFID electronic tag is set in wired hose.
In the present embodiment, three RFID electronic tags are set in wired hose, lay respectively at position corresponding with ground two ends in wired hose and the middle part of wired hose, this three place arranges three limited blocks simultaneously, on this limited block, there is the through hole matching with traction steel wire size, traction steel wire is through this through hole, and RFID electronic tag is fixed on traction steel wire, and by fixing two terminations of the traction steel wire ring-type that forms.
Be in the present embodiment, RFID electronic tag is three, traction steel wire is three, three RFID electronic tags are separately fixed on three traction steel wires, and three traction steel wires are respectively through the through hole of three limited blocks, and every traction steel wire is secured together and forms closed circulus through two ends after through hole.
By the setting of above-mentioned circulus, conveniently realize taking-up and the reduction of RFID electronic tag.
(2) ground position is extended respectively at these wired hose two ends, and a mark post that runs through bearing stratum and end and be fixed to substratum is also set on this ground, fixedly reads the reader of RFID electronic labeling information on this mark post.
(3) by the positional information of reader automatic Identification and tracking RFID electronic tag, and then in real time the position of RFID electronic tag is determined.
Read in real time the position of each RFID electronic tag by reader, by the variation of position, can be made into position relationship and change collection of illustrative plates, can effectively demonstrate the variation relation of ground diverse location by collection of illustrative plates, and then obtain the continuous sedimentation amount of diverse location.
Above-described embodiment is only the preferred embodiments of the present invention, and not limiting the scope of the invention adopts design principle of the present invention in every case, and carries out non-creativeness work on this basis and the variation made, within all should belonging to protection scope of the present invention.
Claims (4)
1. a monitoring method for foundation settlement, is characterized in that, is mainly made up of following steps:
(1) after ground completes, before building operations, wired hose is located on ground, these wired hose two ends lay respectively at ground both sides, and more than one RFID electronic tag is set in wired hose;
(2) ground position is extended respectively at these wired hose two ends, and a mark post that runs through bearing stratum and end and be fixed to substratum is also set on this ground, fixedly reads the reader of RFID electronic labeling information on this mark post;
(3) by the positional information of reader automatic Identification and tracking RFID electronic tag, and then in real time the position of RFID electronic tag is determined.
2. the monitoring method of a kind of foundation settlement according to claim 1, is characterized in that, is also included in the limited block that restriction RFID electronic tag position is set in wired hose, and passes this limited block and be connected to the traction steel wire on RFID electronic tag.
3. the monitoring method of a kind of foundation settlement according to claim 2, it is characterized in that, on described limited block, there is the through hole matching with traction steel wire size, traction steel wire is through this through hole, RFID electronic tag is fixed on traction steel wire, and by fixing two terminations of the traction steel wire ring-type that forms.
4. the monitoring method of a kind of foundation settlement according to claim 3, is characterized in that, described RFID electronic tag is three, lays respectively at middle part and the two ends of wired hose, in these wired hose three places, fixes respectively a limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410424563.3A CN104164861B (en) | 2014-08-27 | 2014-08-27 | A kind of monitoring method of foundation settlement |
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| CN201410424563.3A CN104164861B (en) | 2014-08-27 | 2014-08-27 | A kind of monitoring method of foundation settlement |
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| CN104164861A true CN104164861A (en) | 2014-11-26 |
| CN104164861B CN104164861B (en) | 2016-03-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105258670A (en) * | 2015-11-06 | 2016-01-20 | 三峡大学 | Interior settlement monitoring pipe for dam |
| CN108301430A (en) * | 2018-04-12 | 2018-07-20 | 沙洲职业工学院 | A kind of Method of Arch Dam Foundation unstability intelligent identifying system |
| CN108765618A (en) * | 2018-05-11 | 2018-11-06 | 东营市大地勘测地理信息研究院有限公司 | A kind of cell settlement observation point cruising inspection system |
| CN114111710A (en) * | 2021-11-26 | 2022-03-01 | 山东大学 | Intelligent monitoring and accurate positioning method for full-section differential settlement at road and bridge junction |
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| CN105258670A (en) * | 2015-11-06 | 2016-01-20 | 三峡大学 | Interior settlement monitoring pipe for dam |
| CN108301430A (en) * | 2018-04-12 | 2018-07-20 | 沙洲职业工学院 | A kind of Method of Arch Dam Foundation unstability intelligent identifying system |
| CN108765618A (en) * | 2018-05-11 | 2018-11-06 | 东营市大地勘测地理信息研究院有限公司 | A kind of cell settlement observation point cruising inspection system |
| CN114111710A (en) * | 2021-11-26 | 2022-03-01 | 山东大学 | Intelligent monitoring and accurate positioning method for full-section differential settlement at road and bridge junction |
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| CN104164861B (en) | 2016-03-23 |
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Effective date of registration: 20160205 Address after: Xindu District of Chengdu City, Sichuan province 610000 Lee Road No. 1 (the city 3G KIC Plaza Building 13 layer 10, 2) Applicant after: Chengdu Lai Bao oil equipment Co., Ltd Address before: 610000 Chengdu City, Chenghua District Province, No. two North Ring Road, No. four, No. 1, with a layer of No. 2, No. 104 Applicant before: CHENGDU RONGDE CONSTRUCTION LABOR CO., LTD. |
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Effective date of registration: 20161101 Address after: Haicang District of Xiamen City, Fujian province 361000 poetry Hill Road No. 25 Building No. 6 layer 1-3 Patentee after: XIAMEN HECHENG ENGINEERING DETECTION CO., LTD. Address before: Xindu District of Chengdu City, Sichuan province 610000 Lee Road No. 1 (the city 3G KIC Plaza Building 13 layer 10, 2) Patentee before: Chengdu Lai Bao oil equipment Co., Ltd |