CN117211244A - Soft soil foundation backfill back subsidence monitoring system - Google Patents
Soft soil foundation backfill back subsidence monitoring system Download PDFInfo
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Abstract
The application relates to the field of foundation settlement monitoring, and is used for solving the problem that different weather phenomena during foundation settlement can present different foundation settlement results so as to influence foundation settlement monitoring, in particular to a settlement monitoring system after soft soil foundation backfilling; according to the settlement monitoring method, settlement monitoring points are monitored by setting a plurality of observation base points, the plurality of groups of observation data are integrated, human errors caused during observation are reduced, in the process of setting the plurality of groups of observation base points, the positions of the plurality of observation base points are analyzed through the soft soil foundation settlement monitoring system, the observation base points with too similar directions are marked, the phenomenon that manpower and material resources are wasted due to the fact that the observation base points with smaller differences are repeatedly observed for a plurality of times is avoided, and the settlement information and the environment information are comprehensively analyzed by observing the environment information, so that the differences caused by the environment are considered when the settlement conclusion is made on the soft soil foundation.
Description
Technical Field
The application relates to the field of foundation settlement monitoring, in particular to a settlement monitoring system after soft soil foundation backfill.
Background
The foundation settlement refers to the phenomenon that the foundation layer is subjected to surrounding additional stress to cause the surface of the foundation to sink, the foundation of the building is stable, but if the foundation is settled, the building is inclined and cracked to cause collapse of the building, so that serious harm is brought to households and constructors, and the foundation settlement needs to be monitored in real time in the building construction process; foundation settlement is typically composed of two parts: the first part is the compression amount of the weak soil layer; the second part is the settlement of the soil layer below the weak soil layer; in general, the compression amount of the soft soil layer is much larger than the settlement amount of the underlying soil layer, and is also one monitoring key point in engineering construction.
At present, the common method for monitoring foundation settlement is as follows: setting a settlement plate on the surface layer of the foundation, measuring the elevation of the settlement plate through leveling measurement, wherein the elevation change of the settlement plate reflects the settlement of the foundation, the settlement quantity comprises the compression quantity of a soft soil layer and the settlement quantity of a lower lying soil layer, the existing foundation settlement monitoring is only used for detecting the phenomenon of foundation settlement, and due to different weather phenomena in the settlement period, the settlement quantity of the same soft soil foundation with different degrees can be caused, so that the settlement monitoring is influenced, and the monitoring result is inaccurate;
the application provides a solution to the technical problem.
Disclosure of Invention
According to the settlement monitoring system, settlement monitoring is carried out on settlement monitoring points by setting a plurality of observation base points, multiple groups of observation data are integrated, human errors caused during observation are reduced, in the process of setting the multiple groups of observation base points, the positions of the multiple observation base points are analyzed through the soft foundation settlement monitoring system, the observation base points with too similar directions are marked, waste of manpower and material resources caused by repeated observation of the observation base points with smaller differences is avoided, and the settlement information and the environment information are comprehensively analyzed by observing the environment information and the settlement information, so that the differences caused by the environment are considered when the settlement conclusion is carried out on the soft foundation, the problem that different weather phenomena during foundation settlement can present different foundation settlement results to influence foundation settlement monitoring is solved, and the settlement monitoring system after soft foundation backfilling is provided.
The aim of the application can be achieved by the following technical scheme:
the settlement monitoring system after soft soil foundation backfilling comprises a point position construction unit, a settlement monitoring unit, an environment intervention analysis unit, a monitoring analysis unit and a result output unit, wherein the point position construction unit is used for acquiring settlement monitoring points and terrains to be monitored, analyzing according to the settlement monitoring points and the terrains to be monitored, generating point position inspection results according to analysis results, and sending the point position inspection results to the settlement monitoring unit;
the environmental intervention analysis unit can acquire environmental interference factors, wherein the environmental interference factors comprise rainfall and rolling vibration quantity, the rainfall is continuous rainfall at a terrain to be monitored, the rolling vibration quantity is vibration intensity at the terrain to be monitored, and the environmental intervention analysis unit generates environmental information according to the environmental interference factors and sends the environmental information to the monitoring analysis unit;
the settlement monitoring unit is used for collecting settlement of the terrain to be monitored through the settlement monitoring points and recording collected data as settlement information, the settlement monitoring unit analyzes the settlement information to generate a settlement analysis signal, and the settlement monitoring unit sends the settlement analysis signal to the monitoring analysis unit;
the monitoring analysis unit acquires the sedimentation analysis signal and the environmental information, analyzes the sedimentation analysis signal and the environmental information, generates a sedimentation risk signal and a sedimentation alarm signal, and sends the sedimentation risk signal and the sedimentation alarm signal to the result output unit;
the result output unit can receive the sedimentation risk signal and the sedimentation alarm signal and display the sedimentation risk signal and the sedimentation alarm signal through the output equipment.
As a preferred implementation mode of the application, the point position construction unit obtains the terrain to be monitored, draws a plan according to the terrain to be monitored, marks and places settlement monitoring points and monitoring foundation points in the plan, wherein the positions of the settlement monitoring points and the monitoring foundation points are manually input, the positions of the settlement monitoring points are positioned in the terrain to be monitored, the positions of the monitoring foundation points are positioned outside the terrain to be monitored, the point position construction unit connects the settlement monitoring points with the settlement foundation points, calculates an included angle of an inner angle between any two connecting lines, generates a point position overlapping signal if the included angle of the inner angle is smaller than or equal to a preset minimum angle threshold, generates a point position qualification signal if the included angle of the inner angle is larger than the preset minimum angle threshold, and records the point position qualification signal and the point position overlapping signal as a point position inspection result.
As a preferred embodiment of the present application, after the environmental intervention analysis unit obtains the rainfall, recording all the recorded rainfall, selecting a preset rainfall threshold, comparing all the recorded rainfall with the rainfall threshold sequentially, generating a strong rainfall signal for the rainfall greater than the rainfall threshold in the recorded rainfall, and generating a weak rainfall signal for the rainfall less than or equal to the rainfall threshold in the recorded rainfall;
after the environmental intervention analysis unit obtains the rolling vibration quantity, data processing is carried out on the vibration intensity, and the vibration intensity is matched with a preset vibration intensity threshold valueIf the vibration intensity is smaller than the preset vibration intensity threshold value, the vibration intensity is removed, if the vibration intensity is larger than or equal to the preset vibration intensity threshold value, the vibration intensity is recorded as H, the duration time of the vibration intensity H is obtained by the environmental intervention analysis unit and recorded as t, the duration time of the vibration intensity and the vibration intensity is calculated by the environmental intervention analysis unit to obtain a vibration influence value G,and the environment intervention analysis unit compares the vibration influence value G with a preset influence threshold, generates a vibration shortage signal if the vibration influence value G is smaller than the preset influence threshold, generates a vibration intervention signal if the vibration influence value G is larger than or equal to the preset influence threshold, and takes the strong rainfall signal, the weak rainfall signal, the vibration intervention signal and the vibration shortage signal as environment information.
As a preferable implementation mode of the application, the manner of acquiring the settlement of the terrain to be monitored by the settlement monitoring unit is that the settlement is acquired through measurement between the settlement monitoring point and the monitoring foundation point, after the settlement monitoring unit acquires the settlement information, the settlement in the settlement information is compared with the preset settlement, if the settlement in the settlement information is larger than the preset settlement, a foundation settlement signal is generated, and if the settlement in the settlement information is smaller than or equal to the preset settlement, a foundation non-settlement signal is generated, wherein the foundation settlement signal and the foundation non-settlement signal are used as settlement analysis signals.
As a preferred embodiment of the present application, after the monitoring and analyzing unit obtains the sedimentation analysis signal and the environmental information, the analysis process of the sedimentation analysis signal and the environmental information is as follows:
after the monitoring and analyzing unit obtains the foundation non-settlement signal:
if a strong rainfall signal and a vibration intervention signal are simultaneously acquired, generating a settlement risk-free signal;
if only one group of strong rainfall signals and vibration intervention signals is obtained, generating a settlement risk reduction signal;
if a weak rainfall signal and a vibration shortage signal are obtained at the same time, generating a sedimentation risk unknown signal;
if the monitoring and analyzing unit acquires the foundation settlement signal, the monitoring and analyzing unit:
generating a settlement alarm if a strong rainfall signal and a vibration intervention signal are simultaneously acquired;
if only one group of strong rainfall signals and vibration intervention signals is obtained, generating abnormal sedimentation signals;
and if the weak rainfall signal and the insufficient vibration signal are obtained at the same time, generating a high-risk settlement alarm.
In a preferred embodiment of the present application, after the settlement monitoring unit obtains the environmental information, the settlement monitoring unit extracts the environmental information, if a strong rainfall signal or a vibration intervention signal exists in the environmental information, the settlement monitoring unit collects settlement information once, obtains a settlement analysis signal according to the collected settlement information, generates an environmental high-relevance signal if the settlement analysis signal is a foundation settlement signal, and generates a foundation stabilization signal if the settlement analysis signal is a foundation non-settlement signal.
Compared with the prior art, the application has the beneficial effects that:
in the application, when the foundation settlement is monitored, the settlement monitoring points are subjected to settlement monitoring by setting a plurality of observation base points, and a plurality of groups of observation data are integrated, so that the human error caused during observation is reduced, the accuracy of the settlement monitoring is improved, and the use effect of the soft soil foundation settlement monitoring is improved.
In the application, in the process of setting a plurality of groups of observation base points, the positions of the plurality of observation base points are analyzed through the soft soil foundation settlement monitoring system, and the observation base points with too similar directions are marked, so that the angle difference of the plurality of observation base points is ensured, the observation difference of different observation base points is improved, and the waste of manpower and material resources caused by repeated observation of the observation base points with smaller observation difference for many times is avoided.
According to the application, by observing the environment information and the sedimentation information, the sedimentation information and the environment information are comprehensively analyzed, so that the difference caused by the environment is considered when the sedimentation conclusion is made on the soft soil foundation, namely, when the environment information which has obvious influence on the foundation sedimentation occurs in the foundation sedimentation monitoring, the foundation sedimentation result is output as a normal result, and when the environment information which has obvious influence on the foundation sedimentation does not occur in the foundation sedimentation monitoring, the foundation sedimentation result is output as an uncertainty result.
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The present application is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a system block diagram of the present application;
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1, a system for monitoring subsidence after backfilling soft soil foundation comprises a point construction unit, a subsidence monitoring unit, an environmental intervention analysis unit, a monitoring analysis unit and a result output unit, wherein the point construction unit is used for acquiring a subsidence monitoring point and a topography to be monitored and analyzing the subsidence monitoring point and the topography to be monitored according to the subsidence monitoring point, the point construction unit acquires the topography to be monitored, a plan is drawn according to the topography to be monitored, and places a subsidence monitoring point and a monitoring foundation point in the plan, the positions of the subsidence monitoring point and the monitoring foundation point are manually input, the subsidence monitoring point is positioned in the topography to be monitored, the position of the monitoring foundation point is positioned outside the topography to be monitored, the point construction unit is used for connecting the subsidence monitoring point and the subsidence foundation point, and calculating an included angle between any two connecting lines, if the included angle is smaller than or equal to a preset minimum angle threshold, the difference between the two groups of monitoring foundation points is indicated to be too close, so that the difference between the two groups of monitoring foundation points is smaller when the measurement error is detected, the measurement error is insufficient, the overlapping signal is generated, and if the two groups of monitoring points are overlapped with each other, and the two groups of monitoring foundation points are subjected to the correction signal is recorded, and if the error correction results are recorded, and the error correction results are displayed.
Example two
Referring to fig. 1, an environmental intervention analysis unit can acquire environmental interference factors, where the environmental interference factors include a rainfall and a rolling vibration, where the rainfall is a continuous rainfall at a location to be monitored, the rolling vibration is a vibration intensity at the location to be monitored, after the environmental intervention analysis unit acquires the rainfall, the environmental intervention analysis unit records all the recorded rainfall, selects a preset rainfall threshold, compares all the recorded rainfall with the rainfall threshold in sequence, generates a strong rainfall signal for the rainfall of the recorded rainfall that is greater than the rainfall threshold, and generates a weak rainfall signal for the rainfall that is less than or equal to the rainfall threshold in the recorded rainfall;
after the environmental intervention analysis unit obtains the rolling vibration quantity, data processing is carried out on the vibration intensity, the vibration intensity is compared with a preset vibration intensity threshold value, if the vibration intensity is smaller than the preset vibration intensity threshold value, the vibration intensity is removed, if the vibration intensity is larger than or equal to the preset vibration intensity threshold value, the vibration intensity is recorded as H, the duration time for the environmental intervention analysis unit to obtain the vibration intensity H is recorded as t, the environmental intervention analysis unit calculates the vibration intensity and the duration time of the vibration intensity to obtain a vibration influence value G,whereinq is a preset dimensionless coefficient, the environmental intervention analysis unit compares the vibration influence value G with a preset influence threshold, if the vibration influence value G is smaller than the preset influence threshold, a vibration shortage signal is generated, if the vibration influence value G is larger than or equal to the preset influence threshold, a vibration intervention signal is generated, the environmental intervention analysis unit takes the strong rainfall signal, the weak rainfall signal, the vibration intervention signal and the vibration shortage signal as environmental information, and the environmental information is sent to the monitoring analysis unit.
Example III
Referring to fig. 1, a settlement monitoring unit is configured to collect settlement of a terrain to be monitored through a settlement monitoring point, record collected data as settlement information, measure and obtain the settlement of the terrain to be monitored through a measurement between the settlement monitoring point and a monitoring base point, compare the settlement in the settlement information with a preset settlement after the settlement monitoring unit obtains the settlement information, generate a foundation settlement signal if the settlement in the settlement information is greater than the preset settlement, and generate a foundation non-settlement signal if the settlement in the settlement information is less than or equal to the preset settlement, wherein the foundation settlement signal and the foundation non-settlement signal are used as settlement analysis signals, and send the settlement analysis signals to the monitoring analysis unit;
after the settlement monitoring unit acquires the environmental information, extracting the environmental information, acquiring settlement information once if a strong rainfall signal or a vibration intervention signal exists in the environmental information, acquiring a settlement analysis signal according to the acquired settlement information, generating an environmental high-relevance signal if the settlement analysis signal is a foundation settlement signal, indicating that the strong rainfall signal or the vibration intervention signal can cause obvious settlement of a soft foundation, and generating a foundation stabilization signal if the settlement analysis signal is a foundation non-settlement signal, indicating that the strong rainfall signal or the vibration intervention signal cannot cause obvious settlement of the soft foundation.
Example IV
Referring to fig. 1, a monitoring and analyzing unit obtains a sedimentation analysis signal and environmental information, analyzes the sedimentation analysis signal and the environmental information, generates a sedimentation risk signal and a sedimentation alarm signal, and sends the sedimentation risk signal and the sedimentation alarm signal to a result output unit, and after the monitoring and analyzing unit obtains the sedimentation analysis signal and the environmental information, the analysis process of the sedimentation analysis signal and the environmental information is as follows:
after the monitoring and analyzing unit obtains the foundation non-settlement signal:
if a strong rainfall signal and a vibration intervention signal are obtained at the same time, the environment information which has obvious influence on the soft soil foundation is indicated that the sedimentation influence is not caused on the soft soil foundation of the monitored area, and a sedimentation risk-free signal is generated;
if only one group of strong rainfall signals and vibration intervention signals is obtained, the environmental information which shows that the part which has obvious influence on the soft soil foundation is not influenced by settlement of the soft soil foundation of the monitored area, and a settlement low risk signal is generated;
if a weak rainfall signal and a vibration shortage signal are obtained at the same time, the environment information which has obvious influence on the soft soil foundation is insufficient, the settlement of the soft soil foundation cannot be judged, and a settlement risk unknown signal is generated;
if the monitoring and analyzing unit acquires the foundation settlement signal, the monitoring and analyzing unit:
if a strong rainfall signal and a vibration intervention signal are obtained at the same time, the monitored area is indicated to be influenced by environmental information to have sedimentation, and a sedimentation alarm is generated;
if only one group of strong rainfall signals and vibration intervention signals is obtained, the monitored area is shown to have obvious sedimentation when only partial environment information with obvious influence on the soft soil foundation appears, and abnormal sedimentation signals are generated;
if a weak rainfall signal and a vibration shortage signal are obtained at the same time, the method shows that when no environment information with obvious influence on the soft soil foundation appears, the foundation has obvious settlement, and a high-risk settlement alarm is generated;
the result output unit can receive the sedimentation risk signal and the sedimentation alarm signal and display the sedimentation risk signal and the sedimentation alarm signal through the output equipment.
According to the settlement monitoring method, settlement monitoring points are monitored by setting a plurality of observation base points, the plurality of groups of observation data are integrated, human errors caused during observation are reduced, in the process of setting the plurality of groups of observation base points, the positions of the plurality of observation base points are analyzed through the soft soil foundation settlement monitoring system, the observation base points with too similar directions are marked, the phenomenon that manpower and material resources are wasted due to the fact that the observation base points with smaller differences are repeatedly observed for a plurality of times is avoided, and the settlement information and the environment information are comprehensively analyzed by observing the environment information, so that the differences caused by the environment are considered when the settlement conclusion is made on the soft soil foundation.
The preferred embodiments of the application disclosed above are intended only to assist in the explanation of the application. The preferred embodiments are not intended to be exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The settlement monitoring system after soft soil foundation backfilling is characterized by comprising a point position construction unit, a settlement monitoring unit, an environmental intervention analysis unit, a monitoring analysis unit and a result output unit, wherein the point position construction unit is used for acquiring settlement monitoring points and terrains to be monitored, analyzing according to the settlement monitoring points and the terrains to be monitored, generating point position inspection results according to analysis results, and sending the point position inspection results to the settlement monitoring unit;
the environmental intervention analysis unit can acquire environmental interference factors, wherein the environmental interference factors comprise rainfall and rolling vibration quantity, the rainfall is continuous rainfall at a terrain to be monitored, the rolling vibration quantity is vibration intensity at the terrain to be monitored, and the environmental intervention analysis unit generates environmental information according to the environmental interference factors and sends the environmental information to the monitoring analysis unit;
the settlement monitoring unit is used for collecting settlement of the terrain to be monitored through the settlement monitoring points and recording collected data as settlement information, the settlement monitoring unit analyzes the settlement information to generate a settlement analysis signal, and the settlement monitoring unit sends the settlement analysis signal to the monitoring analysis unit;
the monitoring analysis unit acquires the sedimentation analysis signal and the environmental information, analyzes the sedimentation analysis signal and the environmental information, generates a sedimentation risk signal and a sedimentation alarm signal, and sends the sedimentation risk signal and the sedimentation alarm signal to the result output unit;
the result output unit can receive the sedimentation risk signal and the sedimentation alarm signal and display the sedimentation risk signal and the sedimentation alarm signal through the output equipment.
2. The system for monitoring subsidence after backfilling soft soil foundations according to claim 1, wherein the point construction unit acquires a topography to be monitored, draws a plan according to the topography to be monitored, marks placement of subsidence monitoring points and monitoring foundation points in the plan, wherein the subsidence monitoring points and the monitoring foundation points are manually input, the subsidence monitoring points are positioned in the topography to be monitored, the positions of the monitoring foundation points are positioned outside the topography to be monitored, the point construction unit connects the subsidence monitoring points with the subsidence foundation points, calculates an included angle of an inner angle between any two connecting lines, generates a point position overlapping signal if the included angle of the inner angle is smaller than or equal to a preset minimum angle threshold, generates a point position qualification signal if the included angle of the inner angle is larger than the preset minimum angle threshold, and records the point position qualification signal and the point position overlapping signal as a point position inspection result.
3. The system for monitoring settlement after backfilling of a soft soil foundation according to claim 1, wherein the environmental intervention analysis unit records all the recorded rainfall after acquiring the rainfall, selects a preset rainfall threshold, sequentially compares all the recorded rainfall with the rainfall threshold, generates a strong rainfall signal for the rainfall which is larger than the rainfall threshold in the recorded rainfall, and generates a weak rainfall signal for the rainfall which is smaller than or equal to the rainfall threshold in the recorded rainfall;
after the environmental intervention analysis unit obtains the rolling vibration quantity, the data processing is carried out on the vibration intensity, the vibration intensity is compared with a preset vibration intensity threshold value, if the vibration intensity is smaller than the preset vibration intensity threshold value, the vibration intensity is removed, if the vibration intensity is larger than or equal to the preset vibration intensity threshold value, the vibration intensity is recorded as H, the duration time of the vibration intensity H is obtained by the environmental intervention analysis unit and recorded as t, the environmental intervention analysis unit calculates the vibration intensity and the duration time of the vibration intensity to obtain a vibration influence value G,and the environment intervention analysis unit compares the vibration influence value G with a preset influence threshold, generates a vibration shortage signal if the vibration influence value G is smaller than the preset influence threshold, generates a vibration intervention signal if the vibration influence value G is larger than or equal to the preset influence threshold, and takes the strong rainfall signal, the weak rainfall signal, the vibration intervention signal and the vibration shortage signal as environment information.
4. A system for monitoring subsidence after backfilling soft soil foundation according to claim 3, wherein the manner of obtaining the subsidence amount of the topography to be monitored by the subsidence monitoring unit is obtained by measuring between the subsidence monitoring point and the monitoring base point, the subsidence amount in the subsidence information is compared with the preset subsidence amount after the subsidence monitoring unit obtains the subsidence information, if the subsidence amount in the subsidence information is larger than the preset subsidence amount, a foundation subsidence signal is generated, and if the subsidence amount in the subsidence information is smaller than or equal to the preset subsidence amount, a foundation non-subsidence signal is generated, wherein the foundation subsidence signal and the foundation non-subsidence signal are used as subsidence analysis signals.
5. The system for monitoring settlement after backfilling soft soil foundation according to claim 4, wherein the analysis process of the settlement analysis signal and the environmental information after the settlement analysis signal and the environmental information are obtained by the monitoring analysis unit is as follows:
after the monitoring and analyzing unit obtains the foundation non-settlement signal:
if a strong rainfall signal and a vibration intervention signal are simultaneously acquired, generating a settlement risk-free signal;
if only one group of strong rainfall signals and vibration intervention signals is obtained, generating a settlement risk reduction signal;
if a weak rainfall signal and a vibration shortage signal are obtained at the same time, generating a sedimentation risk unknown signal;
if the monitoring and analyzing unit acquires the foundation settlement signal, the monitoring and analyzing unit:
generating a settlement alarm if a strong rainfall signal and a vibration intervention signal are simultaneously acquired;
if only one group of strong rainfall signals and vibration intervention signals is obtained, generating abnormal sedimentation signals;
and if the weak rainfall signal and the insufficient vibration signal are obtained at the same time, generating a high-risk settlement alarm.
6. The system according to claim 5, wherein the settlement monitoring unit extracts the environmental information after acquiring the environmental information, acquires settlement information once if a strong rainfall signal or a vibration intervention signal exists in the environmental information, acquires a settlement analysis signal according to the acquired settlement information, generates an environmental high-relevance signal if the settlement analysis signal is a foundation settlement signal, and generates a foundation stabilization signal if the settlement analysis signal is a foundation non-settlement signal.
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| CN118094161A (en) * | 2024-04-18 | 2024-05-28 | 湖北大禹建设股份有限公司 | Hydraulic engineering soft soil foundation reinforcement construction quality analysis processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118094161A (en) * | 2024-04-18 | 2024-05-28 | 湖北大禹建设股份有限公司 | Hydraulic engineering soft soil foundation reinforcement construction quality analysis processing method |
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