CN102680079A - Analysis method for ground surface vibration caused by subway traffic - Google Patents
Analysis method for ground surface vibration caused by subway traffic Download PDFInfo
- Publication number
- CN102680079A CN102680079A CN2012101157913A CN201210115791A CN102680079A CN 102680079 A CN102680079 A CN 102680079A CN 2012101157913 A CN2012101157913 A CN 2012101157913A CN 201210115791 A CN201210115791 A CN 201210115791A CN 102680079 A CN102680079 A CN 102680079A
- Authority
- CN
- China
- Prior art keywords
- land
- face
- subway
- vibration
- railway roadbed
- 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.)
- Pending
Links
Abstract
The invention provides an analysis method for ground surface vibration caused by subway traffic. The analysis result can provide a reference for integral planning of subway lines and buildings. The method comprises the following steps: firstly, actually measuring vibration acceleration of a track bed in a subway tunnel on-site; secondly, building a plane strain finite element-infinite element model for track bed-subway tunnel lining-ground surface; thirdly, calculating transfer functions of any site of ground surface when unit harmonic displacement loads with different frequencies are acted on the track bed respectively; and fourthly, adopting a frequency domain-time domain conversion analysis method to obtain acceleration time course and vibration level of any site of the ground surface. The calculated result can provide a reference for integral planning of subway lines and buildings.
Description
Technical field
The present invention relates to civil construction project field and ambient vibration field, and relate in particular to the face of land vibration analysis method that a kind of subway transportation causes.The method that the present invention proposes can be subway line and building integral planning provides reference.
Background technology
Along with the development of urban construction modernization and the expansion day by day of city size, the urban track traffic development rapidly.When the midtown is passed through in track traffic; Unavoidable by way of existing buildings such as densely populated residential building, school, hospitals; The vibration that produces during rail transportation operation lining cutting through the tunnel, the soil body reach surface structures, cause the vibration of buildings, this vibration and seriously disturbed people's normal life because of the secondary noise of its generation; Environment is had a negative impact, and the railway traffic induced vibrations of environments problem needs to be resolved hurrily.Avoiding the effective method of railway traffic induced vibrations of environments problem is through reasonably estimating the ambient vibration that subway transportation causes, just paying attention at subway line and building plans stage.
Yet because the ambient vibration that causes of subway transportation receives influence of various factors, be a very complicated vibration propagation process, how comparatively reasonably to estimate ambient vibration that subway transportation causes and be one quite difficulty and urgent problem.
Summary of the invention
The present invention proposes the face of land vibration analysis method that a kind of subway transportation causes, can be the planning of subway line and building integral reference is provided.
In order to achieve the above object, the present invention proposes a kind of face of land vibration analysis method that causes based on the subway transportation of field measurement railway roadbed acceleration, is applied to estimate the face of land vibration that subway transportation causes, it comprises the following steps:
The first step: ballast bed vibration acceleration in the field measurement subway tunnel;
Second step: plane strain finite element-infinite element model of setting up railway roadbed-tunnel-liner-stratum;
The 3rd step: the transport function of arbitrfary point, the face of land when calculating the unit simple harmonic quantity displacement load that acts on different frequency on the railway roadbed respectively;
The 4th step: adopt the analytical approach of frequency domain-time domain conversion to try to achieve the acceleration time-histories of arbitrfary point, the face of land and the level of shaking.
The face of land vibration analysis method that the subway transportation based on field measurement railway roadbed acceleration that the present invention proposes causes is applied to estimate the face of land vibration that subway transportation causes, can be the planning of subway line and building integral reference is provided.
Description of drawings
The face of land vibration analysis method process flow diagram that causes for the subway transportation of preferred embodiment of the present invention shown in Figure 1;
The interior ballast bed vibration acceleration field measurement synoptic diagram of subway tunnel for preferred embodiment of the present invention shown in Figure 2;
Shown in Figure 3 for the plane strain finite element of preferred embodiment of the present invention-infinite element model synoptic diagram;
Shown in Figure 4ly be that the frequency domain of preferred embodiment of the present invention-time domain conversion Calculation analyzes block diagram.
The implication of each label among Fig. 2: 1, railway roadbed, 2, tunnel-liner, 3, the stratum, 4, track, 5, acceleration transducer.
Embodiment
In order more to understand technology contents of the present invention, special act specific embodiment also cooperates appended graphic explanation following.
The present invention proposes the face of land vibration analysis method that a kind of subway transportation causes, can be the planning of subway line and building integral reference is provided.
In order to achieve the above object, the present invention proposes a kind of face of land vibration analysis method that causes based on the subway transportation of field measurement railway roadbed acceleration, is applied to estimate the face of land vibration that subway transportation causes, it comprises the following steps:
First step S1: ballast bed vibration acceleration in the field measurement subway tunnel;
The second step S2: plane strain finite element-infinite element model of setting up railway roadbed-tunnel-liner-stratum;
The 3rd step S3: the transport function of arbitrfary point, the face of land when calculating the unit simple harmonic quantity displacement load that acts on different frequency on the railway roadbed respectively;
The 4th step S4: adopt the analytical approach of frequency domain-time domain conversion to try to achieve the vibration time-histories of arbitrfary point, the face of land and the level of shaking.
Below, respectively each stage is described in detail.
First step S1: ballast bed vibration acceleration in the field measurement subway tunnel.
As shown in Figure 2; On railway roadbed 1, arrange a plurality of acceleration transducers 5; The vibration acceleration
of confirming the subway railway roadbed through field measurement has been guaranteed the reliability of excitation load as the excitation load of numerical simulation.This is different from the train excitation load that adopts Train Track-railway roadbed Model Calculation in the conventional art, and the method that the present invention proposes has been guaranteed the consistance of train excitation load and actual conditions.
The second step S2: plane strain finite element-infinite element model of setting up railway roadbed-tunnel-liner-stratum.
Shown in Figure 3, choose typical section, set up the plane strain finite element-infinite element model on railway roadbed 1-tunnel-liner 2-stratum 3.The stratified foundation models are adopted on stratum 3, represent the different layers of ground among the figure with different gray scales.In addition; Effective coverage according to ballast bed vibration; Only the stratum 3 of the effective coverage of necessity is analyzed, i.e. the finite element of net region, upper left corner zone 31 among the figure, model boundary adopts infinite element to handle; Right side and bottom section 32 in promptly scheming, the problem that bring on the manual intercept border when having avoided adopting finite element analogy semiinfinite ground medium.
About the finite element and the infinite element dividing region of how to carry out stratum 3, can also be with reference to the paper " application in the analysis of Environment Vibration is caused at subway in the infinite element border " of " underground space and engineering journal " S1 phase in 2011.
The 3rd step S3: the transport function of arbitrfary point, the face of land when calculating the unit simple harmonic quantity displacement load that acts on different frequency on the railway roadbed respectively.
According to plane strain model shown in Figure 3, the transfer function H of arbitrfary point, the face of land in the time of can acting on railway roadbed 1 surperficial through the unit simple harmonic quantity displacement load 6 that humorous analysis calculated rate is ω
Xy(ω), x, y are used for locating a certain coordinate position at model to be analyzed in the face of land in the formula, the horizontal bearing of trend in the face of land in the x presentation graphs 3, and y representes the direction perpendicular to the face of land.Humorous analysis has been proven technique, and it is not this patent emphasis, therefore repeats no more.
The 4th step S4: adopt the analytical approach of frequency domain-time domain conversion to try to achieve the vibration time-histories of arbitrfary point, the face of land and the level of shaking.
The ballast bed vibration acceleration that to survey the phase one
is as the excitation load; Adopt frequency-domain analysis method to try to achieve the acceleration time-histories
of arbitrfary point, the face of land and the level of shaking; Computing formula is suc as formula shown in (1), and block diagram is as shown in Figure 4; The wide frequency range that frequency-domain analysis method can be considered is fit to carry out the sunykatuib analysis of great amount of samples input, can increase substantially counting yield; Calculate and adopt structural damping (complex damping), guaranteed the frequency-independent property of damping ratio, the error of calculation of having avoided other damper model to bring.Show that through actual Engineering Projects analysis result of calculation and field actual measurement results consistance are better.
In the formula:
In sum, the present invention proposes a kind of face of land vibration analysis method that causes based on the subway transportation of field measurement railway roadbed acceleration, is applied to estimate the face of land vibration that subway transportation causes, can be the planning of subway line and building integral reference is provided.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.Have common knowledge the knowledgeable in the technical field under the present invention, do not breaking away from the principle and scope of the present invention, when doing various changes and retouching.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (6)
1. the face of land vibration analysis method that subway transportation causes is applied to estimate the face of land vibration that subway transportation causes, it is characterized in that comprising the following steps:
The first step: ballast bed vibration acceleration in the field measurement subway tunnel;
Second step: plane strain finite element-infinite element model of setting up railway roadbed-tunnel-liner-stratum;
The 3rd step: the transport function of arbitrfary point, the face of land when calculating the unit simple harmonic quantity displacement load that acts on different frequency on the railway roadbed respectively;
The 4th step: the analytical approach that adopts frequency domain-time domain to transform is tried to achieve the acceleration time-histories of arbitrfary point, the face of land and the level of shaking.
2. method according to claim 1 is characterized in that in the said first step, on railway roadbed, arranges a plurality of acceleration transducers.
3. method according to claim 1 it is characterized in that comprising railway roadbed, tunnel-liner, stratum three parts in the model that said second step sets up, and model boundary adopts infinite element to handle.
4. method according to claim 1 is characterized in that stratum employing stratified foundation model.
5. method according to claim 1 is characterized in that in the 3rd step the transport function of arbitrfary point, the face of land when adopting the unit simple harmonic quantity displacement load that acts on different frequency on the humorous analytical calculation railway roadbed respectively.
6. method according to claim 1; It is characterized in that in said the 4th step; According to the transport function that obtains, the ballast bed vibration acceleration of first step actual measurement as the excitation load, is adopted acceleration time-histories that the analytical approach of frequency domain-time domain conversion tries to achieve arbitrfary point, the face of land and shakes level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101157913A CN102680079A (en) | 2012-04-18 | 2012-04-18 | Analysis method for ground surface vibration caused by subway traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101157913A CN102680079A (en) | 2012-04-18 | 2012-04-18 | Analysis method for ground surface vibration caused by subway traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102680079A true CN102680079A (en) | 2012-09-19 |
Family
ID=46812351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101157913A Pending CN102680079A (en) | 2012-04-18 | 2012-04-18 | Analysis method for ground surface vibration caused by subway traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102680079A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855456A (en) * | 2017-01-23 | 2017-06-16 | 中国机械工业集团有限公司 | A kind of diagnostic method of ramp vehicle operation to the structure floor hazard of vibration origin cause of formation |
| CN108226288A (en) * | 2017-12-05 | 2018-06-29 | 中国建筑股份有限公司 | A kind of subway tunnel railway roadbed comes to nothing quantity monitoring method |
| CN108345710A (en) * | 2017-12-25 | 2018-07-31 | 浙江大学城市学院 | One kind 2.5 ties up triangular finite element metro operation vibration isolation ditch barrier properties analysis calculation method |
| CN109297576A (en) * | 2018-09-26 | 2019-02-01 | 北京市劳动保护科学研究所 | A kind of train wheel rail force load acquisition methods |
| CN110334393A (en) * | 2019-05-24 | 2019-10-15 | 北京市劳动保护科学研究所 | Rail traffic noise prediction method, forecasting system and vibration reducing measure evaluation method |
-
2012
- 2012-04-18 CN CN2012101157913A patent/CN102680079A/en active Pending
Non-Patent Citations (4)
| Title |
|---|
| 刘卫丰，刘维宁，GUPTA S,DEGRANDE G: "地铁振动预测的周期性有限元-边界元耦合模型", 《振动工程学报》 * |
| 李秀强，蒋通，岳建勇，李培振: "无限元边界在地铁引发环境振动分析中的应用", 《地下空间与工程学报》 * |
| 王田友，丁洁民，楼梦麟: "地铁运行引起场地振动的荷载与分析方法", 《工程力学》 * |
| 闫维明，聂晗，任珉，冯军和，张袆，陈建秋: "地铁交通引起地面振动的实测与分析", 《铁道科学与工程学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855456A (en) * | 2017-01-23 | 2017-06-16 | 中国机械工业集团有限公司 | A kind of diagnostic method of ramp vehicle operation to the structure floor hazard of vibration origin cause of formation |
| CN106855456B (en) * | 2017-01-23 | 2019-03-19 | 中国机械工业集团有限公司 | A kind of diagnostic method of the ramp vehicle operation to the structure floor hazard of vibration origin cause of formation |
| CN108226288A (en) * | 2017-12-05 | 2018-06-29 | 中国建筑股份有限公司 | A kind of subway tunnel railway roadbed comes to nothing quantity monitoring method |
| CN108226288B (en) * | 2017-12-05 | 2021-01-05 | 中国建筑股份有限公司 | Subway tunnel ballast bed void monitoring method |
| CN108345710A (en) * | 2017-12-25 | 2018-07-31 | 浙江大学城市学院 | One kind 2.5 ties up triangular finite element metro operation vibration isolation ditch barrier properties analysis calculation method |
| CN109297576A (en) * | 2018-09-26 | 2019-02-01 | 北京市劳动保护科学研究所 | A kind of train wheel rail force load acquisition methods |
| CN110334393A (en) * | 2019-05-24 | 2019-10-15 | 北京市劳动保护科学研究所 | Rail traffic noise prediction method, forecasting system and vibration reducing measure evaluation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ma et al. | Study of the train-induced vibration impact on a historic Bell Tower above two spatially overlapping metro lines | |
| Lopes et al. | Vibrations inside buildings due to subway railway traffic. Experimental validation of a comprehensive prediction model | |
| Feng et al. | Simulation and mitigation analysis of ground vibrations induced by high-speed train with three dimensional FEM | |
| CN102680079A (en) | Analysis method for ground surface vibration caused by subway traffic | |
| Avci et al. | Vibration annoyance assessment of train induced excitations from tunnels embedded in rock | |
| CN104715138A (en) | Rail fastener counter-force computing method and subway vibration frequency domain response computing method | |
| Degrande et al. | An efficient formulation of Krylov’s prediction model for train induced vibrations based on the dynamic reciprocity theorem | |
| Li et al. | Train-induced vibration mitigation based on foundation improvement | |
| Huang et al. | Train-induced environmental vibrations by considering different building foundations along curved track | |
| CN102680078B (en) | Three-dimensional frequency-domain analysis method for adjacent construction vibration caused by metro traffic | |
| Sun et al. | Medium-to-low-speed freight rail transport induced environmental vibration and analysis of the vibration isolation effect of building slope protection piles | |
| Al-Farhan et al. | Tunnel-soil-structure interaction under seismic load | |
| Gao | A 3D dynamic train-track interaction model to study track performance under trains running at critical speed | |
| Bednarz | Experimental verification of the developed soil model describing the propagation of vibration wave in the ground | |
| CN102677793B (en) | Practical analysis method for vibration of neighboring residential buildings caused by subway traffic | |
| Stypuła et al. | Vibrations of free-field and building caused by passages of the Pendolino train | |
| Yu et al. | Structural microvibration monitoring and simulation analysis of the proton service building based on the construction process | |
| Nezhadshahmohammad et al. | Modelling of train-induced vibration in subway interactions | |
| Cheng et al. | Influence of metro vehicle operation on adjacent high-speed railway bridge pier | |
| Quinteros et al. | Numerical study of vibrations induced by traffic in structures and a screen alternative for its mitigation | |
| Kudoh et al. | A study for enabling uncertainty evaluation of geological/geotechnical three-dimensional model in construction projects | |
| Xie | Modeling and computation in engineering II | |
| Mohammadian et al. | Civil Engineering and Urban Planning III | |
| Amir-Faryar et al. | Effect of construction sequence on adjacent underground structures | |
| Achouri et al. | Effects of the superficial layer overlying a half-space on the tunnel-soil-RC building dynamical interaction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |