CN112348312A - Evaluation and early warning system for influence of construction vibration on surrounding environment - Google Patents
Evaluation and early warning system for influence of construction vibration on surrounding environment Download PDFInfo
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Abstract
The invention discloses a system for evaluating and early warning the influence of construction vibration on the surrounding environment, which comprises a construction vibration analysis unit, a construction vibration analysis unit and a warning unit, wherein the construction vibration analysis unit is used for acquiring a vibration analysis curve in a construction stage; the soil environment analysis unit is used for drawing a liquefaction degree development trend curve based on the liquefaction degree parameters so as to evaluate and predict the soil bearing capacity level; an existing building morphology analysis unit for acquiring an existing building morphology change curve over a time series. The application provides a construction vibrations are to peripheral environment influence aassessment and early warning system, and simple structure is reasonable, installation convenient to use. The method can automatically form the evaluation of the interaction relation among the vibration, the soil and the building form, form a construction vibration influence evaluation report on the construction section, and provide early warning or alarm for the possible damage risk of the surrounding buildings in the future. Is worthy of large-area popularization and application.
Description
Technical Field
The invention relates to the technical field of early warning equipment, in particular to an evaluation and early warning system for influence of construction vibration on the surrounding environment.
Background
Along the construction line of municipal pipeline engineering, a large number of buildings and even parts of dangerous houses often exist. The main processes in the construction process, including the construction operations of foundation pit and trench excavation, construction support, pipeline embedding and the like, can generate construction vibration and possibly have adverse effects on the surrounding environment. For example, when the surrounding soil is loose and the water level is high, the surrounding soil may be liquefied when it is subjected to severe vibration, which may affect the surrounding buildings, and may lead to the subsidence of the ground and road surface, the inclination or subsidence of the surrounding buildings, and cracks in the wall. At present, the monitoring is mainly carried out by means of manual measurement, and the requirements on real-time performance and accuracy cannot be met.
Disclosure of Invention
The invention provides an evaluation and early warning system for influence of construction vibration on surrounding environment.
The invention provides the following scheme:
a construction vibration influences assessment and early warning system to surrounding environment, includes:
the construction vibration analysis unit is used for acquiring a vibration analysis curve in a construction stage;
the soil environment analysis unit is used for drawing a liquefaction degree development trend curve based on the liquefaction degree parameters so as to evaluate and predict the soil bearing capacity level;
an existing building morphology analysis unit for acquiring an existing building morphology change curve on a time series;
and the construction vibration evaluation report unit is used for forming a construction vibration influence evaluation report on the construction section according to the vibration analysis curve of the construction stage, the liquefaction degree development trend curve and the interaction relation evaluation of the forms of the vibration, the soil and the building formed by the existing building form change curve on the time sequence.
Preferably: the construction vibration analysis unit comprises a plurality of amplitude sensors, a vibration calculation module and a construction vibration analysis module, wherein the amplitude sensors are used for collecting the maximum amplitude occurrence time of vibration in the construction stage and sending data to the vibration calculation module; the vibration calculation module calculates vibration frequency generated based on a specific construction process and construction equipment during construction through acquisition and storage of basic data to obtain a vibration frequency array, and sends the vibration frequency array to the construction vibration analysis module, and the construction vibration analysis module selects types according to the construction process and the construction equipment to draw and obtain a vibration analysis curve of a construction stage.
Preferably: a plurality of the amplitude sensors are buried along the construction line and installed at fixed intervals.
Preferably: the construction vibration analysis unit comprises a construction scheme parameter input module, and the construction scheme parameter input module is used for inputting a progress planning time interval, inputting a construction machine model and selecting a main construction process.
Preferably: the soil environment analysis unit comprises a liquid level sensor, a soil pressure sensor, a soil environment influence calculation module and a soil environment analysis module, wherein the liquid level sensor is used for collecting the liquid level position of an underground water level, and the soil pressure sensor is used for collecting a soil pressure value; the soil environment influence calculation module is used for calculating the liquefaction degree of the obtained soil according to the underground water level liquid level position and the soil pressure value, and the soil environment analysis module is used for drawing a liquefaction degree development trend curve based on the liquefaction degree of the soil.
Preferably: the existing building form analysis unit comprises a micro-strain sensor, an inclination angle sensor, a settlement sensor, an existing building form calculation module and an existing building form analysis module; the micro-strain sensor is used for acquiring micro-strain, the inclination angle sensor is used for acquiring angle offset, and the settlement sensor is used for acquiring structural settlement difference; the existing building state calculation module is used for calculating and obtaining standard values of crack states, inclined states and settlement states of the existing buildings according to the micro-dependent variables, the angle offset and the structure settlement difference; the existing building form analysis module is used for calculating and obtaining an existing building form change curve in a time sequence according to the existing building crack form, the inclined form and the sedimentation form standard value.
Preferably: the micro-strain sensor is mounted at a selected part of the existing building in a surface-mounted manner; the inclination angle sensor is mounted on the outer side of the vertical structure of the existing building in a surface-mounted mode, and the settlement sensors are mounted on two sides of the expansion joint of the floor structure of the existing building.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the invention, a system for evaluating and early warning the influence of construction vibration on the surrounding environment can be realized, and in an implementation mode, the system can comprise a construction vibration analysis unit, wherein the construction vibration analysis unit is used for acquiring a vibration analysis curve in a construction stage; the soil environment analysis unit is used for drawing a liquefaction degree development trend curve based on the liquefaction degree parameters so as to evaluate and predict the soil bearing capacity level; an existing building morphology analysis unit for acquiring an existing building morphology change curve on a time series; and the construction vibration evaluation report unit is used for forming a construction vibration influence evaluation report on the construction section according to the vibration analysis curve of the construction stage, the liquefaction degree development trend curve and the interaction relation evaluation of the forms of the vibration, the soil and the building formed by the existing building form change curve on the time sequence. The application provides a construction vibrations are to peripheral environment influence aassessment and early warning system, and simple structure is reasonable, installation convenient to use. The method can automatically form the evaluation of the interaction relation among the vibration, the soil and the building form, form a construction vibration influence evaluation report on the construction section, and provide early warning or alarm for the possible damage risk of the surrounding buildings in the future. Is worthy of large-area popularization and application.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a connection block diagram of a system for evaluating and warning the influence of construction vibration on the surrounding environment according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Examples
Referring to fig. 1, a system for evaluating and warning the influence of construction vibration on the surrounding environment according to an embodiment of the present invention is shown in fig. 1, and the system includes a construction vibration analysis unit, where the construction vibration analysis unit is configured to obtain a vibration analysis curve at a construction stage; specifically, the construction vibration analysis unit comprises a plurality of amplitude sensors, a vibration calculation module and a construction vibration analysis module, wherein the amplitude sensors are used for collecting the maximum amplitude occurrence time of vibration in the construction stage and sending data to the vibration calculation module; the vibration calculation module calculates vibration frequency generated based on a specific construction process and construction equipment during construction through acquisition and storage of basic data to obtain a vibration frequency array, and sends the vibration frequency array to the construction vibration analysis module, and the construction vibration analysis module selects types according to the construction process and the construction equipment to draw and obtain a vibration analysis curve of a construction stage. A plurality of the amplitude sensors are buried along the construction line and installed at fixed intervals. The construction vibration analysis unit comprises a construction scheme parameter input module, and the construction scheme parameter input module is used for inputting a progress planning time interval, inputting a construction machine model and selecting a main construction process. In practical application, the construction scheme parameter input module comprises input of a progress planning time interval, input of a construction machine model and selection of a main construction process. The amplitude sensor is buried in the construction line, and the fixed interval installation gathers the maximum amplitude emergence time of vibrations at the construction stage to with data transmission to shake calculation module. The vibration calculation module calculates the generated vibration frequency based on the specific construction process and construction equipment during construction through the acquisition and storage of basic data to obtain a vibration frequency array, and sends the calculation result to the construction vibration analysis module. And the construction vibration analysis module is used for selecting types according to the construction process and construction equipment, drawing an analysis curve, and taking time as a horizontal axis, the minimum unit as seconds, vibration frequency as a vertical axis and the minimum unit as 1 Hz.
The soil environment analysis unit is used for drawing a liquefaction degree development trend curve based on the liquefaction degree parameters so as to evaluate and predict the soil bearing capacity level; specifically, the soil environment analysis unit comprises a liquid level sensor, a soil pressure sensor, a soil environment influence calculation module and a soil environment analysis module, wherein the liquid level sensor is used for collecting the liquid level position of an underground water level, and the soil pressure sensor is used for collecting a soil pressure value; the soil environment influence calculation module is used for calculating the liquefaction degree of the obtained soil according to the underground water level liquid level position and the soil pressure value, and the soil environment analysis module is used for drawing a liquefaction degree development trend curve based on the liquefaction degree of the soil. In practical application, the liquid level sensor collects the liquid level position of the underground water level, and the soil pressure sensor collects the soil pressure value and sends the soil pressure value to the soil environment influence calculation module. And calculating the liquefaction degree of the soil based on the data collected in real time, and sending the calculation result to a soil environment analysis module. And the soil environment analysis module is used for drawing a liquefaction degree development trend curve based on the liquefaction degree parameters and evaluating and predicting the soil bearing capacity level.
An existing building morphology analysis unit for acquiring an existing building morphology change curve on a time series; specifically, the existing building form analysis unit comprises a micro-strain sensor, an inclination angle sensor, a settlement sensor, an existing building form calculation module and an existing building form analysis module; the micro-strain sensor is used for acquiring micro-strain, the inclination angle sensor is used for acquiring angle offset, and the settlement sensor is used for acquiring structural settlement difference; the existing building state calculation module is used for calculating and obtaining standard values of crack states, inclined states and settlement states of the existing buildings according to the micro-dependent variables, the angle offset and the structure settlement difference; the existing building form analysis module is used for calculating and obtaining an existing building form change curve in a time sequence according to the existing building crack form, the inclined form and the sedimentation form standard value. The micro-strain sensor is mounted at a selected part of the existing building in a surface-mounted manner; the inclination angle sensor is mounted on the outer side of the vertical structure of the existing building in a surface-mounted mode, and the settlement sensors are mounted on two sides of the expansion joint of the floor structure of the existing building. In practical application, a micro-strain sensor is attached to the surface of a key part of an existing building, and micro-strain is collected in real time after a mark returns to zero, wherein the unit is mum. And an inclination angle sensor is mounted on the outer side of the vertical structure of the building in a surface-mounted mode, and the angle deviation quantity is collected in real time. And (3) mounting settlement sensors at two sides of the expansion joint of the building floor structure, and measuring the structural settlement difference in real time. And sending the micro strain, the inclination angle offset and the settlement difference to an existing building form calculation module in real time, calculating to obtain standard values of crack forms, inclination forms and settlement forms of the existing building, sending the standard values to an existing building form analysis module, obtaining existing building form change curves in a time sequence, and forming evaluation and early warning bases.
And the construction vibration evaluation reporting unit is used for forming a construction vibration influence evaluation report of the construction section according to the vibration analysis curve of the construction stage, the liquefaction degree development trend curve and the interaction relation evaluation of the forms of the vibration, the soil and the building formed by the existing building form change curve on the time sequence, and providing early warning or alarm for the damage risk of the peripheral building possibly caused in the future. The construction vibration analysis module, the soil environment analysis module and the existing building form analysis module respectively send analysis results to the construction vibration evaluation report module, the evaluation of interaction relation among vibration, soil and building forms is automatically formed, an evaluation report of construction vibration influence on the construction section is formed, and early warning or alarm is provided for the damage risk of surrounding buildings which is possibly caused in the future.
The system provided by the application firstly needs to analyze the general situation of the project, clarify the construction process and the condition of main equipment, estimate the maximum vibration displacement point through analysis and judgment, and mark the site. Based on finite element analysis and calculation, the influence degree of surrounding soil and existing buildings is simulated, the position with the largest influence is found, and monitoring marks are made on site. And then arranging amplitude sensors at the marked positions at equal intervals along the municipal pipeline construction line, recording construction parameters, well protecting finished products and ensuring the smoothness of signal lines. And (3) on the peripheral soil layer and the existing building, based on the calculation result mark, drilling and deploying a liquid level sensor, embedding and installing a soil pressure sensor, surface mounting a micro-strain sensor, an inclination angle sensor and a settlement difference sensor. Finally, all the data lines are communicated to ensure the stability of data acquisition and the lines, a deployment server is usually installed, various calculations and analyses are carried out at the server side, and results are output.
In a word, the construction vibrations that this application provided influence aassessment and early warning system to all ring edge borders, simple structure is reasonable, installation convenient to use. The method can automatically form the evaluation of the interaction relation among the vibration, the soil and the building form, form a construction vibration influence evaluation report on the construction section, and provide early warning or alarm for the possible damage risk of the surrounding buildings in the future. Is worthy of large-area popularization and application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a construction vibrations are to peripheral environment influence aassessment and early warning system which characterized in that includes:
the construction vibration analysis unit is used for acquiring a vibration analysis curve in a construction stage;
the soil environment analysis unit is used for drawing a liquefaction degree development trend curve based on the liquefaction degree parameters so as to evaluate and predict the soil bearing capacity level;
an existing building morphology analysis unit for acquiring an existing building morphology change curve on a time series;
and the construction vibration evaluation report unit is used for forming a construction vibration influence evaluation report on the construction section according to the vibration analysis curve of the construction stage, the liquefaction degree development trend curve and the interaction relation evaluation of the forms of the vibration, the soil and the building formed by the existing building form change curve on the time sequence.
2. The system for assessing and pre-warning the influence of construction vibration on the surrounding environment as claimed in claim 1, wherein the construction vibration analysis unit comprises a plurality of amplitude sensors, a vibration calculation module and a construction vibration analysis module, the plurality of amplitude sensors are used for collecting the maximum amplitude occurrence time of vibration in the construction stage and sending data to the vibration calculation module; the vibration calculation module calculates vibration frequency generated based on a specific construction process and construction equipment during construction through acquisition and storage of basic data to obtain a vibration frequency array, and sends the vibration frequency array to the construction vibration analysis module, and the construction vibration analysis module selects types according to the construction process and the construction equipment to draw and obtain a vibration analysis curve of a construction stage.
3. The system of claim 2, wherein the plurality of amplitude sensors are embedded along the construction line and mounted at regular intervals.
4. The system for assessing and warning influences of construction vibration on surrounding environments as claimed in claim 2, wherein the construction vibration analysis unit comprises a construction scheme parameter entry module, and the construction scheme parameter entry module is used for entering a progress planning time interval, entering a construction machinery model and selecting a main construction process.
5. The system for assessing and warning influences of construction vibration on the surrounding environment as claimed in claim 1, wherein the soil environment analysis unit comprises a liquid level sensor, a soil pressure sensor, a soil environment influence calculation module and a soil environment analysis module, wherein the liquid level sensor is used for collecting the liquid level position of the underground water level, and the soil pressure sensor is used for collecting the soil pressure value; the soil environment influence calculation module is used for calculating the liquefaction degree of the obtained soil according to the underground water level liquid level position and the soil pressure value, and the soil environment analysis module is used for drawing a liquefaction degree development trend curve based on the liquefaction degree of the soil.
6. The system for assessing and warning of construction shock effects on the surrounding environment as claimed in claim 1, wherein the existing building morphology analysis unit comprises a micro-strain sensor, a tilt sensor, a settlement sensor, an existing building morphology calculation module and an existing building morphology analysis module; the micro-strain sensor is used for acquiring micro-strain, the inclination angle sensor is used for acquiring angle offset, and the settlement sensor is used for acquiring structural settlement difference; the existing building state calculation module is used for calculating and obtaining standard values of crack states, inclined states and settlement states of the existing buildings according to the micro-dependent variables, the angle offset and the structure settlement difference; the existing building form analysis module is used for calculating and obtaining an existing building form change curve in a time sequence according to the existing building crack form, the inclined form and the sedimentation form standard value.
7. The system for assessing and warning the influence of construction vibration on the surrounding environment as claimed in claim 6, wherein the micro-strain sensor is mounted on a selected part of an existing building in a surface-mounted manner; the inclination angle sensor is mounted on the outer side of the vertical structure of the existing building in a surface-mounted mode, and the settlement sensors are mounted on two sides of the expansion joint of the floor structure of the existing building.
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| CN202011029949.6A CN112348312A (en) | 2020-09-27 | 2020-09-27 | Evaluation and early warning system for influence of construction vibration on surrounding environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166269A (en) * | 2021-11-07 | 2022-03-11 | 中国水利水电第七工程局有限公司 | Construction safety monitoring system adjacent to existing building rain and sewage pipe ditch based on digital twinning |
| CN115330090A (en) * | 2022-10-12 | 2022-11-11 | 江苏航运职业技术学院 | Intelligent building system prediction influence parameter analysis system |
| CN117151937A (en) * | 2023-09-18 | 2023-12-01 | 广州禧闻信息技术有限公司 | Building vibration prevention trend analysis system |
-
2020
- 2020-09-27 CN CN202011029949.6A patent/CN112348312A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166269A (en) * | 2021-11-07 | 2022-03-11 | 中国水利水电第七工程局有限公司 | Construction safety monitoring system adjacent to existing building rain and sewage pipe ditch based on digital twinning |
| CN114166269B (en) * | 2021-11-07 | 2023-09-08 | 中国水利水电第七工程局有限公司 | Digital twinning-based safety monitoring system for construction of rain and sewage pipe ditches of adjacent existing buildings |
| CN115330090A (en) * | 2022-10-12 | 2022-11-11 | 江苏航运职业技术学院 | Intelligent building system prediction influence parameter analysis system |
| CN117151937A (en) * | 2023-09-18 | 2023-12-01 | 广州禧闻信息技术有限公司 | Building vibration prevention trend analysis system |
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Application publication date: 20210209 |