CN114991226A - Foundation pit displacement automatic monitoring system - Google Patents
Foundation pit displacement automatic monitoring system Download PDFInfo
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- CN114991226A CN114991226A CN202210633301.2A CN202210633301A CN114991226A CN 114991226 A CN114991226 A CN 114991226A CN 202210633301 A CN202210633301 A CN 202210633301A CN 114991226 A CN114991226 A CN 114991226A
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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 a foundation pit displacement automatic monitoring system, which comprises: the first monitoring array is used for monitoring the displacement of any position of the enclosure wall body to acquire 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 used for establishing 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 right the monitoring data information, the soil compactness and the soil humidity of first monitoring array carry out real-time supervision and establish factor of safety, secondly report to the police according to factor of safety, make the foundation ditch monitoring more comprehensive, reduce the production of construction accident.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to an automatic foundation pit displacement monitoring system.
Background
The foundation pit engineering is the engineering such as foundation pit supporting, dewatering and earth excavation which is adopted for ensuring the safety of the underground structure of the main body of the foundation pit construction and preventing the surrounding environment from being damaged, but the foundation pit is very important to detect because the engineering accidents such as collapse and the like are caused by the influence of site conditions and the surrounding environment.
The patent with application number 202010985231.8 discloses a foundation ditch displacement automatic monitoring system includes: the first monitoring mechanism is arranged on the inner wall of the foundation pit and comprises a pipe body, and 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 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, the controller is installed on the 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 portion of the pipe body and used for emitting light signals to 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, facing the light emitter, of the receiving cushion layer, 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 to one.
The warning light of different colours is sent according to actual inclination through the slope condition of monitoring foundation ditch inner wall to prior art, nevertheless in the monitoring process, and the parameter of monitoring foundation ditch is limited, can't monitor the foundation ditch comprehensively, produces the construction accident easily.
Disclosure of Invention
Therefore, the invention provides an automatic foundation pit displacement monitoring system which can solve the problem that foundation pit monitoring in the prior art is incomplete.
In order to achieve the above object, the present invention provides an automatic monitoring system for foundation pit displacement, comprising:
the first monitoring array is used for monitoring the displacement of any position of the enclosure wall body to acquire 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 used for establishing 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 grade, the soil compactness grade and the soil humidity grade of the enclosure wall, determining the category marks of the foundation pit according to the displacement grade, the compactness grade and the humidity grade, and determining the basic safety coefficient according to the quantity distribution of the category marks;
and 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 grade of the enclosure wall body, a standard displacement amount a is preset in the construction unit, and an actual displacement amount of the enclosure wall body is set to be A;
when the actual displacement A is larger than or equal to the standard displacement a, the displacement grade of the enclosure wall body is a first displacement grade;
and when the actual displacement A is more than 0 and less than the standard displacement a, the displacement grade of the enclosure wall body is a second displacement grade.
Further, when the construction unit determines the soil compactness grade, a standard soil compactness B is preset in the construction unit, and an actual soil compactness B is set in the construction unit;
when the actual soil compactness B is larger than or equal to the standard soil compactness B, the soil compactness grade around the foundation pit is a first compactness grade;
and when the actual soil compactness B is more than 0 and less than the standard soil compactness B, the soil compactness grade around the foundation pit is a second compactness grade.
Further, when the construction unit determines the soil humidity level, a standard soil humidity C is preset in the construction unit, and an actual soil humidity C is set;
when the actual soil humidity C is larger than or equal to the standard soil humidity C, the soil humidity level around the foundation pit is a first humidity level;
and 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.
Further, when the construction unit determines the category mark of the foundation pit according to the displacement grade, the compactness grade and the humidity grade, classifying according to the displacement grade, the soil compactness grade and the soil humidity grade of the foundation pit enclosure wall;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as E;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a second humidity level, the classification of the foundation pit is marked as F;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as G;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as H;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as I;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as J;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as K;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as L;
when the basic safety coefficient is determined by the construction unit according to the quantity distribution in the category marks, in any classification, the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are higher, the safety coefficient of the foundation pit is lower, and the construction unit is specifically divided into the following steps:
in the classification mark E, if the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are all first grades, the safety coefficient of the classification mark E is minimum and is represented as a difference;
in the classification mark F, two first grades and one second grade are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark F is small and is expressed as general;
in the classification mark G, two first levels and one second level are selected from the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level, so that the safety coefficient of the classification mark G is small and is expressed as general;
in the classification mark H, if one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, the safety coefficient of the classification mark H is small and is indicated as good;
in the classification mark I, two first grades and one second grade are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark I is small and is expressed as general;
in the classification mark J, one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark J is small and is expressed as good;
in the classification mark K, one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark K is small and is expressed as good;
in the classification mark L, the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are all the second grade, 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 factor, different types of alarm bells are played according to the safety factor, and when the safety factor is excellent, the alarm bells are slow and the playing frequency is once for 12 s; when the safety factor is good, the alarm bell is gentle and the playing frequency is 9s once; when the safety factor is general, the alarm bell is gentle and the playing frequency is 6s once; when the safety factor is poor, the alarm bell is urgent and the playing frequency is 3s once.
Further, when the displacement of the enclosure wall at any position is monitored, the foundation pit comprises four enclosure walls for protecting the four inner walls of the foundation pit in real time, the arbitrary enclosure wall is divided into three parts according to the depth of the arbitrary enclosure wall, the three parts are respectively a first part, a second part and a third part from top to bottom, 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 the enclosure wall, any monitoring point comprises a position identifier, and when the enclosure wall is displaced, the accurate position of the enclosure wall which is displaced is determined according to the position identifier.
Further, after monitoring the displacement of any position of the enclosure wall, according to the depth h1 < the depth h2 < the depth h3, three monitoring periods are set, namely a monitoring period t1, a monitoring period t2 and a monitoring period t3, and a monitoring period t1 < the monitoring period t2 < the monitoring period t3, wherein 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.
Furthermore, 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 edges around the foundation pit, the soil compactness monitoring points are uniformly distributed along parallel lines parallel to the inner wall edge of the foundation pit when being 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;
when carrying out real time monitoring to the soil moisture around the foundation ditch, the second on four limits around the foundation ditch is predetermine distance department and is laid a plurality of soil moisture monitoring points, lay soil moisture monitoring point and evenly lay along the parallel line parallel with foundation ditch inner wall limit when laying soil moisture monitoring point, and every soil moisture monitoring point includes the position sign, and when the soil moisture of arbitrary soil moisture monitoring point appears unusually, confirms the accurate position of soil moisture monitoring point according to the position sign.
Compared with the prior art, the method has the advantages that the displacement of any position of the enclosure wall body 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, finally the alarm module carries out alarm based on the monitoring data information of the first monitoring array and the soil compactness and the soil humidity of the second monitoring module, the alarm module carries out comprehensive monitoring on the foundation pit according to the monitoring data of the three aspects and carries out alarm according to the safety coefficient, and the danger is reduced.
Particularly, a construction unit in the alarm module determines the displacement grade, the soil compactness grade and the soil humidity grade of the enclosure wall, determines the category labels of the foundation pit according to the displacement grade, the compactness grade and the humidity grade, and determines the basic safety factor according to the quantity distribution in the category labels, so that the occurrence of accidents is reduced.
Particularly, the construction unit is used for analyzing the monitoring data information of the first monitoring array to determine the displacement grade of the enclosure wall under different data, and the safety coefficient of the foundation pit can be constructed through the displacement grade of the enclosure wall, so that accidents are reduced.
Particularly, the construction unit monitors the soil compactness around the foundation pit according to the second monitoring module so as to determine the soil compactness grade, when the soil compactness changes, the foundation pit is displaced and collapsed due to the fact that buildings around the foundation pit may collapse or the soil is fluffy, the safety factor of the foundation pit is determined through the soil compactness grade around the foundation pit, and then accidents are reduced.
Especially, monitor the soil humidity around the foundation ditch according to the second monitoring module through the construction module, when soil humidity changes, it has the water source to show the soil around the foundation ditch, and water exceeds a certain amount and can lead to the foundation ditch inner wall infiltration, and then makes foundation ditch inner wall soil matter loose and cause the foundation ditch to take place to collapse, perhaps the soil is too dry around the foundation ditch causes the soil fracture, through confirming the factor of safety of foundation ditch to the soil humidity level around the foundation ditch, and then reduces the occurence of failure.
Particularly, the foundation pit safety factor is determined according to the classification according to the displacement grade of the foundation pit enclosure wall, the grade of the soil compactness around the foundation pit and the grade of the soil humidity, the more the displacement grade of the foundation pit enclosure wall, the grade of the soil compactness around the foundation pit and the grade of the soil humidity are high, the smaller the safety factor of the foundation pit is represented, the more the grade is low, the larger the safety factor of the foundation pit is represented, therefore, the safety factor of the foundation pit is determined by monitoring the displacement of the foundation pit enclosure wall, the grade of the soil compactness around the foundation pit and the soil humidity in many aspects, the safety of the foundation pit is improved, and the occurrence of accidents is reduced.
Especially, by playing the alarm bells with different speeds according to the safety factor and playing the alarm bells with different frequencies, the higher the safety factor is, the slower the speed of the alarm bells is and the slower the playing frequency is, the protection measures can be rapidly carried out on the foundation pit, the safe evacuation can also be rapidly carried out, and the damage to the foundation pit and the safety accidents of personnel are reduced.
Particularly, any enclosure wall body is averagely 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 marks of the distributed points, corresponding measures are taken, and the monitoring precision is improved.
Particularly, three different monitoring periods are set for the three parts of the enclosure wall body, so that a large amount of repeated data is reduced and the monitoring efficiency is improved under the condition that the displacement of the second part and the displacement of the third part are small.
Particularly, by monitoring the soil at the 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 the monitoring is more accurate by arranging a plurality of soil compactness monitoring points; through monitoring the soil of presetting distance department around the foundation ditch, when actual soil moisture is different with standard soil moisture, can accurately know the position according to the position sign, through setting up a plurality of soil moisture 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 be more clearly understood, the invention is further described in conjunction with the following examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit 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 only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an automatic monitoring system for foundation pit displacement according to an embodiment of the present invention includes:
the first monitoring array 110 is used for monitoring the displacement of any position of an enclosure wall body to acquire monitoring data information, and the enclosure wall body is used for protecting the inner wall of a foundation pit in real time;
the second monitoring module 120 is used for monitoring the compactness of the soil around the foundation pit and the humidity of the soil in real time;
and the alarm module 130 is respectively connected with the first detection array and the second monitoring module, is used for establishing the safety factor of the foundation pit according to the monitoring data information of the first monitoring array, the soil compactness and the soil humidity, and gives an alarm based on the safety factor.
Specifically, the displacement of any position of the enclosure wall is monitored through the first monitoring array to obtain monitoring data information, the second monitoring module monitors the soil compactness and the soil humidity around the foundation pit in real time, finally, the alarm module carries out alarm 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 monitoring module and based on the safety coefficient, the foundation pit is comprehensively monitored through the monitoring data according to the three aspects, and the alarm is carried out 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 grade, the soil compactness grade and the soil humidity grade of the enclosure wall, determining the category labels of the foundation pit according to the displacement grade, the compactness grade and the humidity grade, and determining the basic safety coefficient according to the quantity distribution in the category labels;
and the alarm unit is used for setting the alarm bell type and the alarm frequency according to the safety coefficient.
Specifically, the displacement grade, the soil compactness grade and the soil humidity grade of the enclosure wall are determined through the construction unit in the alarm module, the category marks of the foundation pit are determined according to the displacement grade, the compactness grade and the humidity grade, and the basic safety coefficient is determined according to the number distribution in the category marks, so that accidents are reduced.
Specifically, when the construction unit determines the displacement grade of the enclosure wall, a standard displacement amount a is preset in the construction unit, and an actual displacement amount of the enclosure wall is set to be A;
when the actual displacement A is larger than or equal to the standard displacement a, the displacement grade of the enclosure wall is a first displacement grade;
and when the actual displacement A is more than 0 and less than the standard displacement a, the displacement grade of the enclosure wall body is a second displacement grade.
Specifically, when the enclosure wall body is displaced, if the actual displacement exceeds the standard displacement, it indicates that the enclosure wall body is in danger and collapses, and if the enclosure wall body is displaced but the actual displacement does not exceed the standard displacement, it indicates that the risk of the enclosure wall body is low.
Specifically, the construction unit analyzes the monitoring data information of the first monitoring array to determine the displacement grade of the enclosure wall under different data, and the safety coefficient of the foundation pit can be constructed through the displacement grade of the enclosure wall, so that accidents are reduced.
Specifically, when the construction unit determines the soil compactness grade, a standard soil compactness B is preset in the construction unit, and an actual soil compactness B is set in the construction unit;
when the actual soil compactness B is larger than or equal to the standard soil compactness B, the soil compactness grade around the foundation pit is a first compactness grade;
and when the actual soil compactness B is more than 0 and less than the standard soil compactness B, the soil compactness grade around the foundation pit is the second compactness grade.
Particularly, when actual soil compactness surpassed standard soil compactness, then indicate that the soil around the foundation ditch receives the major pressure, take place to collapse and lead to the soil compactness grow if the building around the foundation ditch, the building around the foundation ditch takes place to collapse this moment and can lead to the foundation ditch to take place to collapse, causes the emergence of accident, and when actual soil compactness is less than standard soil compactness, it also can lead to the foundation ditch to take place to collapse to indicate that soil is fluffy.
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, it indicates that buildings around the foundation pit may collapse or the foundation pit is displaced and collapsed due to soil fluffiness, 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 the construction unit determines the soil humidity level, a standard soil humidity C is preset in the construction unit, and an actual soil humidity C is set;
when the actual soil humidity C is larger than or equal to the standard soil humidity C, the soil humidity level around the foundation pit is a first humidity level;
and 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.
Particularly, when actual soil moisture exceeded standard soil moisture, then it has water source and water source to cause the foundation ditch to warp and then take place to collapse around the foundation ditch to represent, causes the emergence of accident, when actual soil moisture is less than standard soil moisture, represents that the soil is too dry around the foundation ditch, may cause the soil too dry and take place the spalling, influences foundation ditch safety.
Specifically, according to the embodiment of the invention, the construction module monitors the soil humidity around the foundation pit according to the second monitoring module, when the soil humidity changes, the fact that water exists in the soil around the foundation pit is indicated, and when the water exceeds a certain amount, the water seeps into the inner wall of the foundation pit, so that the soil quality of the inner wall of the foundation pit is loosened, the foundation pit collapses, or the soil around the foundation pit is too dry, the soil cracks are caused, and the safety coefficient of the foundation pit is determined by the soil humidity grade around the foundation pit, so that accidents are reduced.
Specifically, when the construction unit determines the category mark of the foundation pit according to the displacement grade, the compactness grade and the humidity grade, the construction unit classifies the category mark according to the displacement grade, the soil compactness grade and the soil humidity grade of the foundation pit enclosure wall;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as E;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as F;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as G;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as H;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as I;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as J;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as K;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as L;
when the basic safety factors are determined by the building units according to the quantity distribution in the category marks, in any classification, the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are higher, and the safety factors of the foundation pit are lower, and the basic safety factors are specifically divided into the following steps:
in the classification mark E, if the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are all first grades, the safety coefficient of the classification mark E is minimum and is represented as a difference;
in the classification mark F, two first grades and one second grade are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark F is small and is expressed as general;
in the classification mark G, two first levels and one second level are arranged in the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level, so that the safety coefficient of the classification mark G is small and is expressed as general;
in the classification mark H, if one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, the safety coefficient of the classification mark H is small and is indicated as good;
in the classification mark I, two first grades and one second grade are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark I is small and is expressed as general;
in the classification mark J, one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark J is small and is expressed as good;
in the classification mark K, one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark K is small and is expressed as good;
in the classification mark L, the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are all the second grade, and the safety coefficient of the classification mark G is large and is indicated as excellent.
Specifically, the embodiment of the invention classifies the displacement grade of the foundation pit enclosure wall, the grade of the soil compactness around the foundation pit and the grade of the soil humidity, and then determines the safety factor of the foundation pit according to the classification, wherein the more the displacement grade of the foundation pit enclosure wall, the grade of the soil compactness around the foundation pit and the grade of the soil humidity are high, the smaller the safety factor of the foundation pit is represented, and the more the grade is low, the larger the safety factor of the foundation pit is represented, so that the safety factor of the foundation pit is determined by monitoring the displacement of the foundation pit enclosure wall, the grade of the soil compactness around the foundation pit and the soil humidity in many 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 factor, different types of alarm bells are played according to the safety factor, and when the safety factor is excellent, the alarm bells are slow and the playing frequency is once for 12 s; when the safety factor is good, the alarm bell is gentle and the playing frequency is 9s once; when the safety factor is general, the alarm bell is gentle and the playing frequency is 6s once; when the safety factor is poor, the alarm bell is urgent and the playing frequency is 3s once.
Specifically, the alarm bell is selected according to the rate of the alarm bell, the higher the safety factor is, the slower the rate of the alarm bell is, and the lower the safety factor is, the faster the rate of the alarm bell is.
Specifically, according to the embodiment of the invention, the alarm bells with different speeds are played according to the safety coefficient, the playing frequency is different, the higher the safety coefficient is, the slower the speed of the alarm bell is and the slower the playing frequency is, the protection measures can be rapidly carried out on the foundation pit, the safe evacuation can also be rapidly carried out, the damage to the foundation pit is reduced, and the safety accidents of personnel are reduced.
Specifically, when the 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 arbitrary enclosure wall, the three parts are respectively a first part, a second part and a third part from top to bottom, 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 the enclosure wall, any monitoring point comprises a position mark, and when the enclosure wall is displaced, the accurate position of the enclosure wall which is displaced is determined according to the position mark.
Specifically, according to the embodiment of the invention, any enclosure wall is divided into three parts according to the depth, and then the 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 marks of the distributed points, and therefore, corresponding measures are taken, and the monitoring precision is improved.
Specifically, after the displacement of any position of the enclosure wall is monitored, three monitoring periods are set according to the depth h1 < the depth h2 < the depth h3, namely a monitoring period t1, a monitoring period t2 and a monitoring period t3, and a monitoring period t1 < the monitoring period t2 < the monitoring period t3, wherein 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.
Specifically, the deeper the enclosure wall body is, the smaller the displacement is, and if the enclosure wall body is monitored in real time in the same monitoring period, a large amount of repeated data exists in the monitoring data of the second part and the third part, so that the data processing workload is increased.
Specifically, the embodiment of the invention sets three different monitoring periods for the three parts of the enclosure wall body, so that a large amount of repeated data 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, when carrying out real-time supervision to the soil compactness around the foundation ditch, lay a plurality of soil compactness monitoring points in the first preset distance department on four limits around the foundation ditch, evenly lay along the parallel line parallel with foundation ditch inner wall limit when laying soil compactness monitoring point, every soil compactness monitoring point includes the position sign, when the soil compactness of arbitrary soil compactness monitoring point appears unusually, confirms the accurate position of soil compactness monitoring point according to the position sign.
Specifically, 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.
Particularly, when carrying out real-time supervision to the soil moisture around the foundation ditch, the second on four limits around the foundation ditch is predetermine distance department and is laid a plurality of soil moisture monitoring points, lay soil moisture monitoring point and evenly lay along the parallel line parallel with foundation ditch inner wall limit when laying soil moisture monitoring point, and every soil moisture monitoring point includes the position sign, and when the soil moisture of arbitrary soil moisture monitoring point appears unusually, confirms the accurate position of soil moisture monitoring point according to the position sign.
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.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic foundation pit displacement monitoring system is characterized by comprising:
the first monitoring array is used for monitoring the displacement of any position of the enclosure wall body to acquire 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 compactness of the soil and the humidity of the soil 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 used for establishing 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.
2. The foundation pit displacement automatic monitoring system according to claim 1, wherein the alarm module comprises a construction unit and an alarm unit, the construction unit is used for determining a displacement grade of a containment wall, a soil compactness grade and a soil humidity grade, determining a category mark of the foundation pit according to the displacement grade, the compactness grade and the soil humidity grade, and determining the basic safety factor according to the quantity distribution in the category mark;
and the alarm unit is used for setting the alarm bell type and the alarm frequency according to the safety coefficient.
3. The foundation pit displacement automatic monitoring system according to claim 2, wherein when the construction unit determines the displacement grade of the enclosure wall, a standard displacement amount a is preset in the construction unit, and an actual displacement amount of the enclosure wall is set to be A;
when the actual displacement A is larger than or equal to the standard displacement a, the displacement grade of the enclosure wall body is a first displacement grade;
and when the actual displacement A is more than 0 and less than the standard displacement a, the displacement grade of the enclosure wall body is a second displacement grade.
4. The foundation pit displacement automatic monitoring system according to claim 3, wherein when the building unit determines the soil compactness grade, a standard soil compactness of B is preset in the building unit, and an actual soil compactness of B is set in the building unit;
when the actual soil compactness B is larger than or equal to the standard soil compactness B, the soil compactness grade around the foundation pit is a first compactness grade;
and when the actual soil compactness B is more than 0 and less than the standard soil compactness B, the soil compactness grade around the foundation pit is the second compactness grade.
5. The foundation pit displacement automatic monitoring system according to claim 4, wherein when the construction unit determines the soil humidity level, a standard soil humidity C is preset in the construction unit, and an actual soil humidity C is set;
when the actual soil humidity C is larger than or equal to the standard soil humidity C, the soil humidity level around the foundation pit is a first humidity level;
and 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.
6. The system for automatically monitoring the displacement of the foundation pit according to claim 5, wherein the construction unit classifies according to the displacement grade, the soil compactness grade and the soil humidity grade of the enclosure wall of the foundation pit when determining the category label of the foundation pit according to the displacement grade, the compactness grade and the humidity grade;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as E;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as F;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as G;
when the enclosure wall of the foundation pit is in a first displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as H;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as I;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a first compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as J;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a first humidity level, marking the classification of the foundation pit as K;
when the enclosure wall of the foundation pit is in a second displacement level, the soil compactness is in a second compactness level, and the soil humidity is in a second humidity level, marking the classification of the foundation pit as L;
when the basic safety factors are determined by the building units according to the quantity distribution in the category marks, in any classification, the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are higher, and the safety factors of the foundation pit are lower, and the basic safety factors are specifically divided into the following steps:
in the classification mark E, if the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade are all first grades, the safety coefficient of the classification mark E is minimum and is represented as a difference;
in the classification mark F, two first grades and one second grade are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark F is small and is expressed as general;
in the classification mark G, two first levels and one second level are selected from the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level, so that the safety coefficient of the classification mark G is small and is expressed as general;
in the classification mark H, if one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, the safety coefficient of the classification mark H is small and is indicated as good;
in the classification mark I, two first levels and one second level are selected from the displacement level of the enclosure wall, the soil compactness level around the foundation pit and the soil humidity level, so that the safety coefficient of the classification mark I is small and is expressed as general;
in the classification mark J, one first grade and two second grades are selected from the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark J is small and is expressed as good;
in the classification mark K, one first grade and two second grades are arranged in the displacement grade of the enclosure wall, the soil compactness grade around the foundation pit and the soil humidity grade, so that the safety coefficient of the classification mark K is small and is expressed as good;
in the classification mark L, the displacement grade of the enclosure wall, the compactness grade of the soil around the foundation pit and the soil humidity grade are all second grades, and the safety coefficient of the classification mark G is high and is expressed as excellent.
7. The foundation pit displacement automatic monitoring system according to claim 6, wherein the alarm unit plays different types of alarm bells according to the safety factor when setting the alarm bell type and the alarm frequency according to the safety factor, and when the safety factor is excellent, the alarm bell is slow and the play frequency is once for 12 s; when the safety factor is good, the alarm bell is gentle and the playing frequency is 9s once; when the safety factor is general, the alarm bell is mild and the playing frequency is 6s once; when the safety factor is poor, the alarm bell is urgent and the playing frequency is 3s once.
8. The automatic foundation pit displacement monitoring system of claim 7, wherein when monitoring the displacement of the enclosure wall at any position, the foundation pit comprises four enclosure walls for protecting the four inner walls of the foundation pit in real time, the enclosure wall is divided into three parts according to the depth, the three parts are a first part, a second part and a third part from top to bottom, the depth of the first part is h1, the depth of the second part is h2, the depth of the third part is h3, each part of the enclosure wall is uniformly provided with a plurality of monitoring points according to the width thereof, each monitoring point comprises a position identifier, and when the enclosure wall is displaced, the accurate position of the enclosure wall which is displaced is determined according to the position identifier.
9. The foundation pit displacement automatic monitoring system of claim 8, wherein after the displacement of the enclosure wall at any position is monitored, three monitoring periods are set according to the depth h1 < the depth h2 < the depth h3, namely a monitoring period t1, a monitoring period t2 and a monitoring period t3, and a monitoring period t1 < a monitoring period t2 < a monitoring period t3, wherein 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.
10. The automatic foundation pit displacement monitoring system according to claim 9, wherein when real-time monitoring is performed on the soil compactness around the foundation pit, a plurality of soil compactness monitoring points are arranged at first preset distances on four sides around the foundation pit, the soil compactness monitoring points are uniformly arranged along parallel lines parallel to the inner wall side of the foundation pit when arranged, 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 monitoring to the soil moisture around the foundation ditch, the second on four limits around the foundation ditch is predetermine distance department and is laid a plurality of soil moisture monitoring points, lay soil moisture monitoring point and evenly lay along the parallel line parallel with foundation ditch inner wall limit when laying soil moisture monitoring point, and every soil moisture monitoring point includes the position sign, and when the soil moisture of arbitrary soil moisture monitoring point appears unusually, confirms the accurate position of soil moisture monitoring point according to the position sign.
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