CN114991226B - Automatic monitoring system for foundation pit displacement - Google Patents
Automatic monitoring system for foundation pit displacement Download PDFInfo
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- CN114991226B CN114991226B CN202210633301.2A CN202210633301A CN114991226B CN 114991226 B CN114991226 B CN 114991226B CN 202210633301 A CN202210633301 A CN 202210633301A CN 114991226 B CN114991226 B CN 114991226B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to an automatic monitoring system for foundation pit displacement, which comprises: the first monitoring array is used for monitoring displacement of any position of the enclosure wall body to obtain monitoring data information, and the enclosure wall body is used for protecting the inner wall of the foundation pit in real time; the second monitoring module is used for monitoring the soil compactness and the soil humidity around the foundation pit in real time; and the alarm module is respectively connected with the first detection array and the second monitoring module, and is used for constructing the safety coefficient of the foundation pit according to the monitoring data information of the first monitoring array, the soil compactness and the soil humidity and alarming based on the safety coefficient. Through carrying out real-time supervision and constructing factor of safety to monitoring data information, soil compactness and the soil humidity of first monitoring array, secondly report to the police according to the factor of safety, make the foundation ditch monitor more comprehensive, reduce the emergence of construction accident.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to an automatic monitoring system for foundation pit displacement.
Background
The foundation pit engineering is the engineering of foundation pit support, drainage and earth excavation and the like adopted for ensuring the safety of the underground structure of the foundation pit construction main body and the surrounding environment not to be damaged, but is very important to detect the foundation pit because of engineering accidents such as collapse and the like caused by the influence of site conditions and the surrounding environment.
An automatic monitoring system for foundation pit displacement disclosed in the patent of application number 202010985231.8 comprises: the first monitoring mechanism is arranged on the inner wall of the foundation pit and comprises a pipe body, wherein an inclination monitoring assembly is arranged in the pipe body and can monitor the inclination condition of the inner wall of the foundation pit in real time; the warning mechanism is connected with the first monitoring mechanism and used for sending out different warning information according to different monitoring results of the first monitoring mechanism; the inclination monitoring assembly comprises a controller, a light emitter and a receiving cushion layer, wherein the controller is arranged on a pipe body, the controller is respectively connected with the light emitter and the receiving cushion layer, the light emitter is suspended in the middle of the upper part of the pipe body, the light emitter is used for emitting light signals towards the receiving cushion layer, the receiving cushion layer is arranged on the bottom wall of the pipe body, a plurality of light receiving modules are distributed on one side of the receiving cushion layer, which faces the light emitter, each light receiving module is provided with an independent position mark, and the light receiving modules are used for receiving the light signals of the light emitter and transmitting the received light signals and the corresponding position marks to the controller; the warning mechanism is provided with different warning information corresponding to each light receiving module one by one.
In the prior art, the inclination condition of the inner wall of the foundation pit is monitored, and the warning lamps with different colors are sent out according to the actual inclination angle, but in the monitoring process, the parameters of the foundation pit are limited, the foundation pit cannot be comprehensively monitored, and construction accidents are easy to generate.
Disclosure of Invention
Therefore, the invention provides an automatic monitoring system for foundation pit displacement, which can solve the problem that foundation pit monitoring is incomplete in the prior art.
In order to achieve the above object, the present invention provides an automatic monitoring system for foundation pit displacement, the system comprising:
the first monitoring array is used for monitoring displacement of any position of the enclosure wall body to obtain monitoring data information, and the enclosure wall body is used for protecting the inner wall of the foundation pit in real time;
the second monitoring module is used for monitoring the soil compactness and the soil humidity around the foundation pit in real time;
and the alarm module is respectively connected with the first detection array and the second monitoring module, and is used for constructing the safety coefficient of the foundation pit according to the monitoring data information of the first monitoring array, the soil compactness and the soil humidity and alarming based on the safety coefficient.
Further, the alarm module comprises a construction unit and an alarm unit, wherein the construction unit is used for determining the displacement level of the enclosure wall, the soil compactness level and the humidity level of soil, determining the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, and determining the basic safety coefficient according to the quantity distribution in the class mark;
the alarm unit is used for setting the alarm bell type and the alarm frequency according to the safety coefficient.
Further, when the construction unit determines the displacement level of the enclosure wall, the standard displacement amount is preset as a in the construction unit, and the actual displacement amount of the enclosure wall is set as A;
when the actual displacement A is more than or equal to the standard displacement a, the displacement level of the enclosure wall is a first displacement level;
when the actual displacement A is more than 0 and less than the standard displacement a, the displacement level of the enclosure wall is the second displacement level.
Further, when determining the soil compactness level, the construction unit is preset with a standard soil compactness B and an actual soil compactness B;
when the actual soil compactness B is more than or equal to the standard soil compactness B, the soil compactness level around the foundation pit is the first compactness level;
when the actual soil compactness B is more than 0 and less than the standard soil compactness B, the soil compactness level around the foundation pit is the second compactness level.
Further, when determining the soil humidity level, the construction unit is preset with standard soil humidity as C and actual soil humidity as C;
when the actual soil humidity C is more than or equal to the standard soil humidity C, the soil humidity level around the foundation pit is the first humidity level;
when 0 < actual soil humidity C < standard soil humidity C, the soil humidity level around the foundation pit is the second humidity level.
Further, when the building unit determines the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, the building unit classifies the class mark according to the displacement level, the soil compactness level and the soil humidity level of the foundation pit enclosure wall;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a first compactness level, and the soil humidity is at a first humidity level, marking the classification of the foundation pit as E;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a first compactness level, and the soil humidity is at a second humidity level, the classification of the foundation pit is marked as F;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a second compactness level, and the soil humidity is at a first humidity level, classifying the foundation pit as G;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a second compactness level, and the soil humidity is at a second humidity level, classifying the foundation pit as H;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a first compactness level, and the soil humidity is of a first humidity level, the classification of the foundation pit is marked as I;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a first compactness level, and the soil humidity is of a second humidity level, the classification of the foundation pit is marked as J;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a second compactness level, and the soil humidity is of a first humidity level, the classification of the foundation pit is marked as K;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a second compactness level, and the soil humidity is of a second humidity level, classifying the foundation pit as L;
when the basic safety coefficient is determined according to the quantity distribution in the category marks, in any classification, the higher the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are, the lower the safety coefficient of the foundation pit is, and the specific classification is as follows:
in the classification mark E, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are all the first level, and the safety coefficient of the classification mark E is the smallest and is expressed as poor;
in the classification mark F, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark F is small and is expressed as general;
in the classification mark G, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark G is small and is expressed as general;
in the classification mark H, the safety coefficient of the classification mark H is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark I, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark I is small and is expressed as general;
in the classification mark J, the safety coefficient of the classification mark J is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark K, the safety coefficient of the classification mark K is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark L, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are all the second level, and the safety coefficient of the classification mark G is large and is indicated as excellent.
Further, when the alarm unit sets the alarm bell type and the alarm frequency according to the safety coefficient, different kinds of alarm bells are played according to the safety coefficient, and when the safety coefficient is excellent, the alarm bell is slow and the playing frequency is 12s once; when the safety coefficient is good, the alarm bell is light and the playing frequency is 9s once; when the safety coefficient is common, the alarm bell is light and the playing frequency is 6s once; when the safety factor is poor, the alarm is jerky and the playing frequency is 3s once.
Further, when the displacement of any position of the enclosure wall is monitored, the foundation pit comprises four enclosure walls to protect four inner walls of the foundation pit in real time, the arbitrary enclosure wall is averagely divided into three parts according to the depth of the enclosure wall, namely a first part, a second part and a third part from top to bottom, wherein the depth of the first part is h1, the depth of the second part is h2, the depth of the third part is h3, a plurality of monitoring points are uniformly distributed on each part of the enclosure wall according to the width of each part of the enclosure wall, the arbitrary monitoring points comprise position marks, and when the enclosure wall is displaced, the accurate position of the enclosure wall which is displaced is determined according to the position marks of the enclosure wall.
Further, after monitoring displacement of any position of the enclosure wall, three monitoring periods are set according to the depth h1 being smaller than the depth h2 being smaller than the depth h3, wherein the three monitoring periods are respectively a monitoring period t1, a monitoring period t2 and a monitoring period t3, the monitoring period t1 being smaller than the monitoring period t2 and smaller than the monitoring period t3, the monitoring period t1 is a monitoring period of a first portion of the depth h1, the monitoring period t2 is a monitoring period of a second portion of the depth h2, and the monitoring period t3 is a monitoring period of a third portion of the depth h 3.
Further, when the soil compactness around the foundation pit is monitored in real time, a plurality of soil compactness monitoring points are distributed at first preset distances of four sides around the foundation pit, the soil compactness monitoring points are uniformly distributed along a parallel line parallel to the inner wall side of the foundation pit, each soil compactness monitoring point comprises a position mark, and when the soil compactness of any soil compactness monitoring point is abnormal, the accurate position of the soil compactness monitoring point is confirmed according to the position mark;
when carrying out real-time supervision to the soil humidity around the foundation ditch, lay a plurality of soil humidity monitoring points in the second of four limits around the foundation ditch and predetermine distance department, evenly lay on the parallel line that is parallel with foundation ditch inner wall limit when laying the soil humidity monitoring point, every soil humidity monitoring point includes the position identification, when the soil humidity of arbitrary soil humidity monitoring point appears unusual, confirm the accurate position of soil humidity monitoring point according to the position identification.
Compared with the prior art, the method has the beneficial effects that the displacement of any position of the enclosure wall body is monitored through the first monitoring array, monitoring data information is obtained, the soil compactness and the soil humidity around the foundation pit are monitored in real time through the second monitoring module, and finally the alarm module alarms according to the monitoring data information of the first monitoring array and the safety coefficient of the foundation pit constructed by the soil compactness and the soil humidity of the second detection module and based on the safety coefficient, and the foundation pit is comprehensively monitored according to the monitoring data of three aspects and alarms according to the safety coefficient, so that the danger is reduced.
In particular, a construction unit in the alarm module determines the displacement level, the soil compactness level and the soil humidity level of the enclosure wall, determines the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, and determines the basic safety coefficient according to the quantity distribution in the class mark, thereby reducing the occurrence of accidents.
In particular, the construction unit analyzes the monitoring data information of the first monitoring array to determine the displacement level of the enclosure wall under different data, and the safety coefficient of the foundation pit can be constructed through the displacement level of the enclosure wall, so that the accident occurrence is reduced.
In particular, the soil compactness around the foundation pit is monitored according to the second monitoring module through the construction unit, so that the soil compactness level is determined, when the soil compactness is changed, the situation that the building around the foundation pit is likely to collapse or the foundation pit is also displaced and collapses due to the fact that the soil is fluffy is indicated, the safety coefficient of the foundation pit is determined according to the soil compactness level around the foundation pit, and then accidents are reduced.
In particular, the soil humidity around the foundation pit is monitored according to the second monitoring module through the construction module, when the soil humidity changes, the soil around the foundation pit is indicated to have a water source, water exceeds a certain amount to cause water seepage of the inner wall of the foundation pit, and then the soil of the inner wall of the foundation pit is loose to cause collapse of the foundation pit, or the soil around the foundation pit is too dry to cause soil cracking, and the safety coefficient of the foundation pit is determined through the soil humidity level around the foundation pit, so that accident occurrence is reduced.
In particular, the safety coefficient of the foundation pit is determined by classifying according to the displacement level of the foundation pit support wall, the soil compactness level around the foundation pit and the soil humidity level, and then determining the safety coefficient of the foundation pit according to the classification, wherein the more the displacement level of the foundation pit support wall, the soil compactness level around the foundation pit and the soil humidity level are medium, the smaller the safety coefficient of the foundation pit is represented, and the more the level is low, the larger the safety coefficient of the foundation pit is represented, so that the safety coefficient of the foundation pit is determined by multi-aspect monitoring according to the displacement of the foundation pit support wall, the soil compactness around the foundation pit and the soil humidity, the safety of the foundation pit is improved, and the occurrence of accidents is reduced.
In particular, by playing the alarm bells with different rates and different playing frequencies according to the safety coefficient, the higher the safety coefficient is, the slower the rate of the alarm bells and the slower the playing frequency are, the protection measures can be rapidly carried out on the foundation pit, the safety evacuation can be rapidly carried out, the damage of the foundation pit is reduced, and the safety accidents of personnel are reduced.
Particularly, any enclosure wall body is divided into three parts according to the depth, and then monitoring points are uniformly distributed on each part according to the width of the enclosure wall body, so that the monitoring is more accurate, the position of the enclosure wall body which is displaced can be accurately determined according to the position identification of the distributed points, corresponding measures are taken, and the monitoring precision is improved.
In particular, three different monitoring periods are arranged on three parts of the enclosure wall, so that a large amount of repeated data volume is reduced and the monitoring efficiency is improved under the condition that the displacement of the second part and the third part is small.
Particularly, by monitoring soil at a preset distance around the foundation pit, when the actual soil compactness is different from the standard soil compactness, the position can be accurately known according to the position mark, and by setting a plurality of soil compactness monitoring points, the monitoring is more accurate; through the soil to predetermine distance department around the foundation ditch monitors, when actual soil humidity and standard soil humidity are different, can accurately know the position according to the position identification, through setting up a plurality of soil humidity monitoring points, make the monitoring more accurate.
Drawings
Fig. 1 is a schematic structural diagram of an automatic monitoring system for foundation pit displacement according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, the automatic monitoring system for foundation pit displacement provided by the embodiment of the invention includes:
the first monitoring array 110 is configured to monitor displacement of any position of an enclosure wall, and obtain monitoring data information, where the enclosure wall is configured to protect an inner wall of a foundation pit in real time;
the second monitoring module 120 is configured to monitor the soil compactness and the soil humidity around the foundation pit in real time;
and the alarm module 130 is respectively connected with the first detection array and the second monitoring module, and is used for constructing the safety coefficient of the foundation pit according to the monitoring data information of the first monitoring array, the soil compactness and the soil humidity and alarming based on the safety coefficient.
Specifically, the displacement of any position of the enclosure wall is monitored through the first monitoring array, monitoring data information is obtained, the second monitoring module monitors the soil compactness and the soil humidity around the foundation pit in real time, and finally the alarm module alarms according to the monitoring data information of the first monitoring array and the safety coefficient of the foundation pit constructed by the soil compactness and the soil humidity of the second detection module and based on the safety coefficient, and comprehensively monitors the foundation pit according to the monitoring data of three aspects and alarms according to the safety coefficient, so that the danger is reduced.
Specifically, the alarm module comprises a construction unit and an alarm unit, wherein the construction unit is used for determining the displacement level of the enclosure wall, the soil compactness level and the humidity level of soil, determining the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, and determining the basic safety coefficient according to the quantity distribution in the class mark;
the alarm unit is used for setting the alarm bell type and the alarm frequency according to the safety coefficient.
Specifically, the embodiment of the invention determines the displacement level, the soil compactness level and the soil humidity level of the enclosure wall body through the construction unit in the alarm module, determines the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, and determines the basic safety coefficient according to the quantity distribution in the class mark, thereby reducing the occurrence of accidents.
Specifically, when the construction unit determines the displacement level of the enclosure wall, the standard displacement amount is preset as a in the construction unit, and the actual displacement amount of the enclosure wall is set as A;
when the actual displacement A is more than or equal to the standard displacement a, the displacement level of the enclosure wall is a first displacement level;
when the actual displacement A is more than 0 and less than the standard displacement a, the displacement level of the enclosure wall is the second displacement level.
Specifically, when the enclosure wall body is displaced, if the actual displacement exceeds the standard displacement, the enclosure wall body is in danger and can collapse, and if the enclosure wall body is displaced but the actual displacement does not exceed the standard displacement, the enclosure wall body is low in danger.
Specifically, according to the embodiment of the invention, the construction unit analyzes the monitoring data information of the first monitoring array to determine the displacement level of the enclosure wall under different data, and the safety coefficient of the foundation pit can be constructed through the displacement level of the enclosure wall, so that the accident occurrence is reduced.
Specifically, when determining the soil compactness level, the construction unit is preset with a standard soil compactness B and an actual soil compactness B;
when the actual soil compactness B is more than or equal to the standard soil compactness B, the soil compactness level around the foundation pit is the first compactness level;
when the actual soil compactness B is more than 0 and less than the standard soil compactness B, the soil compactness level around the foundation pit is the second compactness level.
Specifically, when the actual soil compactness exceeds the standard soil compactness, the soil around the foundation pit is subjected to great pressure, and if the buildings around the foundation pit collapse to cause the soil compactness to be increased, the buildings around the foundation pit collapse to cause accidents, and when the actual soil compactness is smaller than the standard soil compactness, the soil is fluffy to cause the foundation pit collapse.
Specifically, the construction unit monitors the soil compactness around the foundation pit according to the second monitoring module to further determine the soil compactness grade, when the soil compactness changes, the construction unit indicates that the building around the foundation pit is likely to collapse or the foundation pit is also displaced and collapses due to the fluffiness of the soil, and the safety coefficient of the foundation pit is determined according to the soil compactness grade around the foundation pit, so that accidents are reduced.
Specifically, when determining the soil humidity level, the construction unit presets standard soil humidity as C and sets actual soil humidity as C;
when the actual soil humidity C is more than or equal to the standard soil humidity C, the soil humidity level around the foundation pit is the first humidity level;
when 0 < actual soil humidity C < standard soil humidity C, the soil humidity level around the foundation pit is the second humidity level.
Specifically, when the actual soil humidity exceeds the standard soil humidity, it indicates that there is water source around the foundation pit and the water source may cause the foundation pit to deform and collapse, causing accidents to occur.
Specifically, the soil humidity around the foundation pit is monitored through the construction module according to the second monitoring module, when the soil humidity changes, the condition that water source exists in the soil around the foundation pit is indicated, water seepage is caused to the inner wall of the foundation pit due to the fact that the water exceeds a certain amount, the soil on the inner wall of the foundation pit is loose, the foundation pit is collapsed, or the soil around the foundation pit is too dry to cause soil cracking, the safety coefficient of the foundation pit is determined through the soil humidity level around the foundation pit, and therefore accidents are reduced.
Specifically, when determining the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, the construction unit classifies the class mark according to the displacement level, the soil compactness level and the soil humidity level of the foundation pit enclosure wall;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a first compactness level, and the soil humidity is at a first humidity level, marking the classification of the foundation pit as E;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a first compactness level, and the soil humidity is at a second humidity level, the classification of the foundation pit is marked as F;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a second compactness level, and the soil humidity is at a first humidity level, classifying the foundation pit as G;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a second compactness level, and the soil humidity is at a second humidity level, classifying the foundation pit as H;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a first compactness level, and the soil humidity is of a first humidity level, the classification of the foundation pit is marked as I;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a first compactness level, and the soil humidity is of a second humidity level, the classification of the foundation pit is marked as J;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a second compactness level, and the soil humidity is of a first humidity level, the classification of the foundation pit is marked as K;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a second compactness level, and the soil humidity is of a second humidity level, classifying the foundation pit as L;
when the basic safety coefficient is determined according to the quantity distribution in the category marks, in any classification, the higher the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are, the lower the safety coefficient of the foundation pit is, and the specific classification is as follows:
in the classification mark E, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are all the first level, and the safety coefficient of the classification mark E is the smallest and is expressed as poor;
in the classification mark F, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark F is small and is expressed as general;
in the classification mark G, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark G is small and is expressed as general;
in the classification mark H, the safety coefficient of the classification mark H is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark I, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark I is small and is expressed as general;
in the classification mark J, the safety coefficient of the classification mark J is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark K, the safety coefficient of the classification mark K is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark L, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are all the second level, and the safety coefficient of the classification mark G is large and is indicated as excellent.
Specifically, the embodiment of the invention classifies the foundation pit according to the displacement level of the foundation pit support wall, the soil compactness level around the foundation pit and the soil humidity level, and then determines the safety coefficient of the foundation pit according to the classification, wherein the more the displacement level of the foundation pit support wall, the soil compactness level around the foundation pit and the soil humidity level are, the smaller the safety coefficient of the foundation pit is represented, wherein the more the level is low, the larger the safety coefficient of the foundation pit is represented, so that the safety coefficient of the foundation pit is determined according to the displacement of the foundation pit support wall, the soil compactness around the foundation pit and the soil humidity in multiple aspects, the safety of the foundation pit is improved, and the occurrence of accidents is reduced.
Specifically, when the alarm unit sets the alarm bell type and the alarm frequency according to the safety coefficient, different kinds of alarm bells are played according to the safety coefficient, and when the safety coefficient is excellent, the alarm bell is slow and the playing frequency is 12s once; when the safety coefficient is good, the alarm bell is light and the playing frequency is 9s once; when the safety coefficient is common, the alarm bell is light and the playing frequency is 6s once; when the safety factor is poor, the alarm is jerky and the playing frequency is 3s once.
Specifically, the selection of the alarm bell is performed according to the rate of the alarm bell, and the higher the safety coefficient is, the slower the rate of the alarm bell is, the lower the safety coefficient is, and the faster the rate of the alarm bell is.
Specifically, according to the embodiment of the invention, the alarms with different rates are played according to the safety coefficient and the playing frequency is different, the higher the safety coefficient is, the slower the rate of the alarms is and the slower the playing frequency is, so that the protection measures can be rapidly carried out on the foundation pit, the safety evacuation can be rapidly carried out, the damage of the foundation pit is reduced, and the safety accidents of personnel are reduced.
Specifically, when displacement of any position of the enclosure wall is monitored, the foundation pit comprises four enclosure walls for protecting four inner walls of the foundation pit in real time, the arbitrary enclosure wall is averagely divided into three parts according to the depth of the enclosure wall, namely a first part, a second part and a third part from top to bottom, wherein the depth of the first part is h1, the depth of the second part is h2, the depth of the third part is h3, a plurality of monitoring points are uniformly distributed on each part of the enclosure wall according to the width of each part of the enclosure wall, the arbitrary monitoring points comprise position marks, and when the enclosure wall is displaced, the accurate position of the enclosure wall which is displaced is determined according to the position marks of the enclosure wall.
Specifically, according to the embodiment of the invention, any enclosure wall is divided into three parts according to the depth, and then monitoring points are uniformly distributed on each part according to the width of the enclosure wall, so that the monitoring is more accurate, the position of the enclosure wall which is displaced can be accurately determined according to the position mark of the distribution point, corresponding measures are taken, and the monitoring precision is improved.
Specifically, after monitoring displacement of any position of the enclosure wall, three monitoring periods are set according to the depth h1 being less than the depth h2 being less than the depth h3, wherein the three monitoring periods are respectively a monitoring period t1, a monitoring period t2 and a monitoring period t3, the monitoring period t1 being less than the monitoring period t2 being less than the monitoring period t3, the monitoring period t1 being a monitoring period of a first portion of the depth h1, the monitoring period t2 being a monitoring period of a second portion of the depth h2, and the monitoring period t3 being a monitoring period of a third portion of the depth h 3.
Specifically, as the enclosure wall body is deeper and the displacement is smaller, if the enclosure wall body is monitored in real time in the same monitoring period, a large amount of repeated data can be generated in the monitoring data of the second part and the third part, and the data processing workload is increased.
Specifically, three different monitoring periods are set for three parts of the enclosure wall, so that a large amount of repeated data volume is reduced and monitoring efficiency is improved under the condition that the displacement of the second part and the third part is small.
Specifically, when the soil compactness around the foundation pit is monitored in real time, a plurality of soil compactness monitoring points are distributed at first preset distances of four sides around the foundation pit, the soil compactness monitoring points are uniformly distributed along a parallel line parallel to the inner wall side of the foundation pit when distributed, each soil compactness monitoring point comprises a position mark, and when the soil compactness of any soil compactness monitoring point is abnormal, the accurate position of the soil compactness monitoring point is confirmed according to the position mark.
Specifically, according to the embodiment of the invention, the soil at the preset distance around the foundation pit is monitored, when the actual soil compactness is different from the standard soil compactness, the position can be accurately known according to the position mark, and the monitoring is more accurate by arranging a plurality of soil compactness monitoring points.
Specifically, when carrying out real-time supervision to the soil humidity around the foundation ditch, lay a plurality of soil humidity monitoring points in the second of four limits around the foundation ditch and predetermine the distance department, evenly lay on the parallel line that is parallel with foundation ditch inner wall limit when laying the soil humidity monitoring point, every soil humidity monitoring point includes the position identification, when the soil humidity of arbitrary soil humidity monitoring point appears unusual, confirm the accurate position of soil humidity monitoring point according to the position identification.
Specifically, the soil at the preset distance around the foundation pit is monitored, when the actual soil humidity is different from the standard soil humidity, the position can be accurately known according to the position mark, and the monitoring is more accurate by arranging a plurality of soil humidity monitoring points.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An automatic monitoring system for foundation pit displacement, comprising:
the first monitoring array is used for monitoring displacement of any position of the enclosure wall body to obtain monitoring data information, and the enclosure wall body is used for protecting the inner wall of the foundation pit in real time;
the second monitoring module is used for monitoring the soil compactness and the soil humidity around the foundation pit in real time;
the alarm module is respectively connected with the first detection array and the second detection module, and is used for constructing the safety coefficient of the foundation pit according to the monitoring data information of the first detection array, the soil compactness and the soil humidity and giving an alarm based on the safety coefficient;
the alarm module comprises a construction unit and an alarm unit, wherein the construction unit is used for determining the displacement level, the soil compactness level and the soil humidity level of the enclosure wall, determining the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level, and determining the safety coefficient of the foundation pit according to the quantity distribution in the class mark;
the alarm unit is used for setting alarm bell type and alarm frequency according to the safety coefficient;
the construction unit classifies the foundation pit according to the displacement level, the soil compactness level and the soil humidity level of the foundation pit enclosure wall when determining the class mark of the foundation pit according to the displacement level, the compactness level and the humidity level;
when the construction unit determines the displacement level of the enclosure wall, the standard displacement amount is preset in the construction unit as a, and the actual displacement amount of the enclosure wall is set as A;
when the actual displacement A is more than or equal to the standard displacement a, the displacement level of the enclosure wall is a first displacement level;
when the actual displacement A is more than 0 and less than the standard displacement a, the displacement level of the enclosure wall is a second displacement level;
when determining the soil compactness level, the construction unit is preset with a standard soil compactness B and an actual soil compactness B;
when the actual soil compactness B is more than or equal to the standard soil compactness B, the soil compactness level around the foundation pit is the first compactness level;
when the actual soil compactness B is more than 0 and less than the standard soil compactness B, the soil compactness level around the foundation pit is the second compactness level;
when determining the soil humidity level, the construction unit is preset with standard soil humidity as C and actual soil humidity as C;
when the actual soil humidity C is more than or equal to the standard soil humidity C, the soil humidity level around the foundation pit is the first humidity level;
when the actual soil humidity C is more than 0 and less than the standard soil humidity C, the soil humidity level around the foundation pit is the second humidity level;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a first compactness level, and the soil humidity is at a first humidity level, marking the classification of the foundation pit as E;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a first compactness level, and the soil humidity is at a second humidity level, the classification of the foundation pit is marked as F;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a second compactness level, and the soil humidity is at a first humidity level, classifying the foundation pit as G;
when the foundation pit support wall body is at a first displacement level, the soil compactness is at a second compactness level, and the soil humidity is at a second humidity level, classifying the foundation pit as H;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a first compactness level, and the soil humidity is of a first humidity level, the classification of the foundation pit is marked as I;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a first compactness level, and the soil humidity is of a second humidity level, the classification of the foundation pit is marked as J;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a second compactness level, and the soil humidity is of a first humidity level, the classification of the foundation pit is marked as K;
when the foundation pit support wall body is of a second displacement level, the soil compactness is of a second compactness level, and the soil humidity is of a second humidity level, classifying the foundation pit as L;
when the safety coefficient of the foundation pit is determined according to the quantity distribution in the category marks, in any classification, the higher the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are, the lower the safety coefficient of the foundation pit is, and the specific classification is as follows:
in the classification mark E, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are all the first level, and the safety coefficient of the classification mark E is the smallest and is expressed as poor;
in the classification mark F, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark F is small and is expressed as general;
in the classification mark G, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark G is small and is expressed as general;
in the classification mark H, the safety coefficient of the classification mark H is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark I, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level have two first levels and one second level, so that the safety coefficient of the classification mark I is small and is expressed as general;
in the classification mark J, the safety coefficient of the classification mark J is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark K, the safety coefficient of the classification mark K is small and is indicated as good if one first grade and two second grades exist in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade;
in the classification mark L, the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level are all the second level, and the safety coefficient of the classification mark G is large and is indicated as excellent.
2. The automatic monitoring system for foundation pit displacement according to claim 1, wherein the alarm unit plays different kinds of alarms according to the safety factor when the alarm type and the alarm frequency are set according to the safety factor, and the alarms are slow and the play frequency is 12s once when the safety factor is excellent; when the safety coefficient is good, the alarm bell is light and the playing frequency is 9s once; when the safety coefficient is common, the alarm bell is light and the playing frequency is 6s once; when the safety factor is poor, the alarm is jerky and the playing frequency is 3s once.
3. The automatic monitoring system for foundation pit displacement according to claim 2, wherein when monitoring displacement of any position of the enclosure wall, the foundation pit comprises four enclosure walls for protecting four inner walls of the foundation pit in real time, the arbitrary enclosure wall is equally divided into three parts according to the depth of the enclosure wall, namely a first part, a second part and a third part from top to bottom, wherein the depth of the first part is h1, the depth of the second part is h2, the depth of the third part is h3, a plurality of monitoring points are uniformly distributed on each part of the enclosure wall according to the width of each part of the enclosure wall, the arbitrary monitoring points comprise position identifiers, and when the enclosure wall is displaced, the accurate position of the wall which is displaced is determined according to the position identifiers of the enclosure wall.
4. The automatic monitoring system for foundation pit displacement according to claim 3, wherein after monitoring displacement of any position of the enclosure wall, three monitoring periods are set according to the depth h1 < depth h2 < depth h3, wherein the three monitoring periods are respectively a monitoring period t1, a monitoring period t2 and a monitoring period t3, the monitoring period t1 < the monitoring period t2 < the monitoring period t3, the monitoring period t1 is a monitoring period of a first part of the depth h1, the monitoring period t2 is a monitoring period of a second part of the depth h2, and the monitoring period t3 is a monitoring period of a third part of the depth h 3.
5. The automatic monitoring system for foundation pit displacement according to claim 4, wherein when the soil compactness around the foundation pit is monitored in real time, a plurality of soil compactness monitoring points are distributed at first preset distances of four sides around the foundation pit, the soil compactness monitoring points are uniformly distributed along parallel lines parallel to the inner wall side of the foundation pit, each soil compactness monitoring point comprises a position mark, and when the soil compactness of any soil compactness monitoring point is abnormal, the accurate position of the soil compactness monitoring point is confirmed according to the position mark;
when carrying out real-time supervision to the soil humidity around the foundation ditch, lay a plurality of soil humidity monitoring points in the second of four limits around the foundation ditch and predetermine distance department, evenly lay on the parallel line that is parallel with foundation ditch inner wall limit when laying the soil humidity monitoring point, every soil humidity monitoring point includes the position identification, when the soil humidity of arbitrary soil humidity monitoring point appears unusual, confirm the accurate position of soil humidity monitoring point according to the position identification.
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| WO2019123475A1 (en) * | 2017-12-18 | 2019-06-27 | Varun Dutt | Low-cost sensor-based system for landslide monitoring and alerts |
| CN110927362A (en) * | 2019-12-09 | 2020-03-27 | 黄河交通学院 | Civil engineering building monitoring system |
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| DK177537B1 (en) * | 2012-05-11 | 2013-09-16 | Scada Internat Aps | Monitoring System and Method |
| CN107633659B (en) * | 2017-10-13 | 2019-07-23 | 中电科新型智慧城市研究院有限公司 | Dangerous slopes monitoring and pre-warning system and method |
| CN112064690B (en) * | 2020-09-18 | 2022-04-29 | 福建互华土木工程管理有限公司 | Automatic monitoring system and method for foundation pit displacement |
| CN112177062A (en) * | 2020-09-26 | 2021-01-05 | 福建省华实建设工程有限公司 | Remote intelligent monitoring system and monitoring method for building foundation pit |
| CN112816380A (en) * | 2021-01-05 | 2021-05-18 | 南京柏王智能装备科技有限公司 | Building engineering construction site construction environment online monitoring method based on big data analysis and monitoring cloud platform |
| CN114357595A (en) * | 2022-03-11 | 2022-04-15 | 山东省物化探勘查院 | Method and system for predicting horizontal displacement of side wall of foundation pit based on Forecast function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019123475A1 (en) * | 2017-12-18 | 2019-06-27 | Varun Dutt | Low-cost sensor-based system for landslide monitoring and alerts |
| CN110927362A (en) * | 2019-12-09 | 2020-03-27 | 黄河交通学院 | Civil engineering building monitoring system |
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