CN111259560A - Shield construction ground surface settlement form classification method and system - Google Patents
Shield construction ground surface settlement form classification method and system Download PDFInfo
- Publication number
- CN111259560A CN111259560A CN202010079591.1A CN202010079591A CN111259560A CN 111259560 A CN111259560 A CN 111259560A CN 202010079591 A CN202010079591 A CN 202010079591A CN 111259560 A CN111259560 A CN 111259560A
- Authority
- CN
- China
- Prior art keywords
- settlement
- settling tank
- shield construction
- construction
- surface settlement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A method and a system for classifying the ground surface settlement form of shield construction are disclosed. The method can comprise the following steps: setting earth surface settlement observation point groups aiming at the construction area, and measuring left and right line earth surface settlement data of each observation point group; drawing space curves of left and right lines of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area; classifying the settling tanks according to a spatial evolution rule; and classifying the space curves according to the classification of the settling tanks to respectively obtain different types of time evolution rules so as to obtain the time evolution rules of the shield construction surface settlement. According to the method, classification of the shield construction surface subsidence form is realized by analyzing the surface subsidence space-time evolution law of all the measuring point group single lines.
Description
Technical Field
The invention relates to the field of shield construction, in particular to a method and a system for classifying earth surface settlement forms in shield construction.
Background
Since Peck studied the surface subsidence caused by tunnel excavation as early as 1969, it is believed that the instantaneous subsidence caused by tunnel excavation occurs without drainage, and the volume of the subsider should be equal to the volume of the formation loss, which can be described by gaussian distribution. In 1987, under the condition that the soil body is not compressible and isotropic, SAGASETA deduces the theoretical solution of a strain field when the near-surface soil body is lost, and the result is well fitted under different working conditions such as foundation tunneling, piling and the like, so that the method can be applied to actual engineering. In 2 months 1993, domestic scholars Liu Jian navigation carefully analyze numerical simulation, empirical formulas and semi-theoretical analytical methods, and consider that theoretical and actual monitoring data are combined and empirical judgment is assisted when the influence of deep foundation pit excavation on a soil layer is predicted. In 1996, the tunnel full-section excavation was subjected to three-dimensional numerical simulation by Jinfeng and Qian seven tigers, and a nonlinear viscoelastic model was adopted as a model, so that the excavation surface 2 times the diameter of the tunnel was affected. In the 1 st 2001, Gonza' lez and Sagaseta derive a theoretical analytical formula of ground surface settlement caused by shield crossing based on subway working conditions built in Madri 1995 to 1999, and analyze the value taking conditions of various parameters under different soil body types and tunnel shapes, and the formula is well fitted with actual monitoring data. In 2005, Finno, Voss jr, et al, based on existing prediction formulas of foundation pit excavation on earth's surface, put forward a prediction model solution applicable to buildings, which is between simple and complex empirical methods and is relatively practical. In 2007, Suwansawat and Einstein think that the subsider of the double-hole tunnel caused by shield construction is influenced not only by factors such as ground conditions and tunnel size, but also by parameters and operation of a shield machine; the two scholars use the Bangkok subway as an engineering background and provide a superposition method for predicting the double-hole tunnel settling tank based on a Gaussian function. In 10 months of 2008, the maokuan uses the martian subway as a background, improves the Peck formula through actual measurement data and theoretical analysis, and provides a super-geometric method for surface subsidence caused by double-line tunnel excavation to explain the asymmetric state of the subsider. In 2 months in 2009, the Wei class provides a two-dimensional solution of soil deformation caused by shield construction by correcting a Verriujt formula on the basis of a uniform soil movement model of a shield tunnel and a Lognaathan formula research, and the method is well applied in a construction stage through example verification. In the same year of 4 months, Korean, Standard and the like establish a rigidity correction method by adopting a mechanism research and combining with a method of actually measured data based on theoretical analysis, wherein the method is a method for predicting a building settlement curve on the basis of considering the structural rigidity of the building and is verified in an engineering example. In 2011, 3 months, people including the Dinghui and the Leweiming study the influence of shield starting construction on surface subsidence by adopting a method of combining numerical simulation with actual monitoring data, and the two methods are compared to obtain a common rule, so that reference is provided for the same type of engineering prediction. In 6 months in 2013, Gang Wei, Siyuan Pang and the like derive an analytic solution of deformation caused by shield tunneling under a double-line parallel tunnel on the basis of an analytic model of the shield tunneling single-hole tunnel, and find that the formula is accurate in prediction, high in precision and wide in applicability after fitting with actual monitoring data. In 2016, 10 months, Wei class and Zhou Yan Kan simplify the formula for predicting the surface subsidence in the construction of the double-line tunnel on the basis of the research of other scholars. In 2017, in 2 months, Wei and Wangzao, through the research on close range defining coefficients, a correction formula of a shield method ground total settlement two-dimensional solution suitable for the close range working condition of the double-track tunnel is established, and different settlement curve forms under different defining coefficients are obtained. In 7 months in 2018, Li bin, Chenjian and the like use the construction of a shield tunnel in a mansion gate region as a background, and provide calculation parameter values suitable for the shield excavation in the mansion gate region by researching the influence of the elastic modulus, the horizontal fluctuation distance and the variation coefficient of a soil body on the double-line tunnel excavation based on a Monte Carlo strategy and finite difference simulation.
Although scholars at home and abroad carry out detailed research on analytical solutions of surface subsidence under shield construction conditions, the scholars can find that the analytic solutions are still influenced by surrounding complex environments such as geological conditions, existing underground structures and the like, and uniform solutions suitable for all conditions are not obtained. Therefore, there is a need to develop a method and a system for classifying the ground subsidence pattern of shield construction, which are suitable for complex surrounding environments.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention provides a method and a system for classifying ground surface settlement forms in shield construction, which can realize classification of the ground surface settlement forms in the shield construction by analyzing the ground surface settlement space-time evolution rules of all single lines of measuring point groups.
According to one aspect of the invention, a method for classifying the ground surface settlement form in shield construction is provided. The method may include: setting earth surface settlement observation point groups aiming at the construction area, and measuring left and right line earth surface settlement data of each observation point group; drawing space curves of left and right lines of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area; classifying the settling tanks according to the spatial evolution law; and classifying the space curves according to the classification of the settling tanks to respectively obtain different types of time evolution rules so as to obtain the time evolution rules of the shield construction earth surface settlement.
Preferably, the construction area is an area having a complex surrounding environment.
Preferably, the spatial evolution law is obtained according to numerical simulation and actual detection data.
Preferably, the spatial evolution law is obtained by analyzing a non-complex peripheral settlement theoretical solution of the spatial curve, a numerical model of a non-complex peripheral environment, a numerical model of a complex peripheral environment and actual condition measured data in sequence.
Preferably, the settling tank comprises a typical settling tank, a partial regular settling tank, an irregular settling tank and a data loss settling tank.
According to another aspect of the invention, a shield construction ground surface subsidence form classification system is provided, which is characterized by comprising: a memory storing computer-executable instructions; a processor executing computer executable instructions in the memory to perform the steps of: setting earth surface settlement observation point groups aiming at the construction area, and measuring left and right line earth surface settlement data of each observation point group; drawing space curves of left and right lines of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area; classifying the settling tanks according to the spatial evolution law; and classifying the space curves according to the classification of the settling tanks to respectively obtain different types of time evolution rules so as to obtain the time evolution rules of the shield construction earth surface settlement.
Preferably, the construction area is an area having a complex surrounding environment.
Preferably, the spatial evolution law is obtained according to numerical simulation and actual detection data.
Preferably, the spatial evolution law is obtained by analyzing a non-complex peripheral settlement theoretical solution of the spatial curve, a numerical model of a non-complex peripheral environment, a numerical model of a complex peripheral environment and actual condition measured data in sequence.
Preferably, the settling tank comprises a typical settling tank, a partial regular settling tank, an irregular settling tank and a data loss settling tank.
The method and apparatus of the present invention have other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.
Fig. 1 is a flowchart illustrating steps of a method for classifying a ground subsidence morphology in shield construction according to an embodiment of the present invention.
Figure 2 shows a graphical representation of the daily settlement of an observation group DX-879 of a typical settling tank according to one embodiment of the invention as it progresses before and after the passage of the rock face through the observation group.
Figure 3 shows a graphical representation of cumulative settlement of an observation group DX-879 of a typical settling tank and the change in profile of the rock face before and after passing through the observation group in accordance with one embodiment of the present invention.
Figure 4 shows a graphical representation of the daily settlement of a portion of the observation group of regular settling tanks DX-859 versus the change in profile of the tunnel face before and after the passage of the observation group in accordance with one embodiment of the present invention.
Figure 5 shows a graphical representation of cumulative settlement for a portion of the observation group of regular settling tanks DX-859 versus the change in profile of the tunnel face before and after the observation group in accordance with one embodiment of the present invention.
Figure 6 shows a graphical representation of day settlement of the observation group DX-839 of irregular settling tanks versus the change in profile of the palm surface before and after the observation group according to one embodiment of the present invention.
Figure 7 shows a graphical representation of cumulative settlement for an observation group DX-839 of irregular settling tanks versus the change in profile of a rock face before and after passing through the observation group in accordance with one embodiment of the present invention.
Figure 8 shows a graphical representation of the change in day settlement of the data loss cross-section slot observation set DX-899 versus the profile of the tunnel face before and after passing through the observation set in accordance with one embodiment of the present invention.
FIG. 9 shows a graphical representation of cumulative settlement of the data loss cross-section slot observation set DX-919 versus profile before and after the tunnel face passes through the observation set, in accordance with one embodiment of the present invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In this embodiment, the method for classifying the ground subsidence morphology of the shield construction according to the present invention may include: step 101, setting earth surface settlement observation point groups aiming at a construction area, and measuring left and right line earth surface settlement data of each observation point group; step 102, drawing a space curve of a left line and a right line of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area; 103, classifying the settling tanks according to a spatial evolution rule; and step 104, classifying the space curves according to the classification of the settling tanks, and respectively obtaining different types of time evolution rules so as to obtain the time evolution rule of the shield construction earth surface settlement.
In one example, the construction area is an area having a complex surrounding environment.
In one example, the spatial evolution law is obtained from numerical simulation and actual detection data.
In one example, a spatial evolution law is obtained by sequentially analyzing a non-complex peripheral settlement theoretical solution of a spatial curve, a numerical model of a non-complex peripheral environment, a numerical model of a complex peripheral environment and actual working condition measured data.
In one example, the settling tank includes a typical settling tank, a partial regular settling tank, an irregular settling tank, and a data loss settling tank.
Fig. 1 is a flowchart illustrating steps of a method for classifying a ground subsidence morphology in shield construction according to an embodiment of the present invention.
Specifically, the method for classifying the ground surface settlement form in the shield construction according to the present invention may include:
setting earth surface settlement observation point groups aiming at a construction area, and measuring left and right line earth surface settlement data of each observation point group, wherein the construction area is an area with complex surrounding environments such as a large underground passage, a high and medium pressure gas pipeline and the like; according to the earth's surface settlement data, draw the space curve of the left and right line of each observation point group, according to numerical simulation and actual detection data, obtain the spatial evolution law of the earth's surface settlement of construction area, specifically include: according to numerical simulation and actual detection data, obtaining a spatial evolution law comprises the following steps: sequentially analyzing a non-complex peripheral settlement theoretical solution of a spatial curve, a numerical model of a non-complex peripheral environment, a numerical model under a complex peripheral environment and actual working condition actual measurement data to obtain the difference of the ground surface settlement under different conditions, namely a spatial evolution rule; the non-complex peripheral settlement theory of the space curve is solved into a theoretical Peck curve of surface settlement caused by tunnel excavation, and the numerical model of the non-complex peripheral environment is a numerical model obtained by numerically simulating the tunnel under a simple working condition; the numerical model under the complex surrounding environment is obtained by performing numerical simulation on the tunnel under the complex working condition.
Classifying the settling tanks according to a spatial evolution rule, namely the difference of surface subsidence under different conditions, wherein the settling tank with the maximum settlement value is not positioned at the center of the tunnel line, but the settling tank with smaller position deviation is a typical settling tank; the settling tank with the maximum settling value deviating from the far position of the center of the tunnel is a partial regular settling tank; the settlement tank with smaller settlement value in the middle of the tunnel and larger settlement value at the two ends is an irregular settlement tank; the settling tank with the settling value having no obvious rule due to data loss is a data loss settling tank; and classifying the space curves according to classification of the subsiders, and respectively obtaining different types of time evolution rules according to surface subsidence changes when the tunnel face passes through the early stage, the middle stage and the later stage of the measuring points, namely the surface subsidence change rules of the tunnel face of each type of subsiders passing through the early stage, the middle stage and the later stage of the measuring points comprise the time evolution rule of a typical subsider, the time evolution rule of a part of regular subsiders, the time evolution rule of irregular subsiders and the time evolution rule of data loss subsiders. The time evolution law of a typical settling tank is to compare a regular group of single-line space curves and analyze the time evolution law of the single-line space curves of the measuring point groups with obvious laws at different time periods; the time evolution law of part of regular settling tanks is to analyze the time evolution law of a measuring point group which is complicated in settling tank forming process and not very obvious in space curve law; the irregular settling tank time evolution law is that time sequence values of irregular measuring point groups of the settling tank are selected to be drawn and analyzed, and possible laws of the irregular settling tank are researched; the time evolution rule of the data missing section settling tank is to draw and analyze the time sequence value of the measuring point group with deficient data and research the rule possibly existing.
And combining the spatial evolution rule and the time evolution rule of each type of settling tank to obtain the spatial and temporal evolution rule of the shield construction surface settlement, thereby realizing the classification of the shield construction surface settlement form.
According to the method, classification of the shield construction surface subsidence form is realized by analyzing the surface subsidence space-time evolution law of all the measuring point group single lines.
Application example
To facilitate understanding of the solution of the embodiments of the present invention and the effects thereof, a specific application example is given below. It will be understood by those skilled in the art that this example is merely for the purpose of facilitating an understanding of the present invention and that any specific details thereof are not intended to limit the invention in any way.
Figure 2 shows a graphical representation of the daily settlement of an observation group DX-879 of a typical settling tank according to one embodiment of the invention as it progresses before and after the passage of the rock face through the observation group.
The date corresponding to the monitoring time 1 in the measuring point group DX-879 in FIG. 2 is 6 months and 18 days, and the date corresponding to 27 is 7 months and 14 days. The daily settlement value of the measuring point group shows a rule along with the passing of the tunnel face: before the tunnel face passes through, the sedimentation value has a small change range; when the palm surface passes through, the earth surface has weak resilience; after the passage, the fluctuation range of the sedimentation value is enlarged, and the sedimentation is larger than the swelling on the whole; and finally, the sedimentation amount fluctuation becomes smaller and gradually approaches to zero along with the distance of the tunnel face. However, although the change of the daily settlement curve has a certain relation with the passing of the tunnel face, the rule is not obvious, so that the accumulated settlement value of the measuring point group is continuously analyzed.
Figure 3 shows a graphical representation of cumulative settlement of an observation group DX-879 of a typical settling tank and the change in profile of the rock face before and after passing through the observation group in accordance with one embodiment of the present invention.
In the figure 3, the accumulated settlement curve of the measuring point group is divided into 4 stages according to the passing of the tunnel face, and the rule of the accumulated settlement value of the measuring point group DX-879 along with the passing of the tunnel face is as follows: before the tunnel face passes, the curve shows weak settlement; when the tunnel face passes through, the earth surface has obvious resilience; after the settlement curve passes through, the slope of the settlement curve is rapidly increased, the settlement value is greatly increased, then the settlement amplification is slowed down, and the fluctuation range is reduced; and finally, the settlement value gradually tends to be stable along with the distance of the tunnel face.
Figure 4 shows a graphical representation of the daily settlement of a portion of the observation group of regular settling tanks DX-859 versus the change in profile of the tunnel face before and after the passage of the observation group in accordance with one embodiment of the present invention.
In the figure, the date corresponding to the monitoring frequency 1 is 7 months and 27 days, and the date corresponding to the frequency 18 is 8 months and 12 days. From the graph, it can be found that the daily settlement curve of the measuring point group has a certain relation with the passing of the tunnel face: in the early stage of surface subsidence and before and after the tunnel face passes through, the fluctuation range of the surface subsidence value is larger, and the fluctuation range is gradually reduced along with the distance of the tunnel face. But the whole sedimentation process has obvious fluctuation, and the fluctuation amplitude is always changed slightly.
Figure 5 shows a graphical representation of cumulative settlement for a portion of the observation group of regular settling tanks DX-859 versus the change in profile of the tunnel face before and after the observation group in accordance with one embodiment of the present invention.
The accumulated settlement curve of the measuring point group has the following rule: before the tunnel face passes through, the earth surface has larger settlement; when the face passes through, the earth surface has more remarkable rebound. In the rebound of the passing of the tunnel face, a measuring point 9 in the measuring point group DX-859 is raised; after the tunnel face passes through, the settlement value of the measuring point group is always in a fluctuation state, the fluctuation range is not large, the whole range is-2 mm to-1 mm, and the fluctuation range is gradually reduced.
Figure 6 shows a graphical representation of day settlement of the observation group DX-839 of irregular settling tanks versus the change in profile of the palm surface before and after the observation group according to one embodiment of the present invention.
FIG. 6 shows that the date corresponding to the monitoring time 1 in the graph of the settlement timing of the point set DX-839 is 6 months and 11 days, and the date corresponding to the monitoring time 32 is 7 months and 12 days. The daily settlement curve fluctuation range of the measuring point group is small, the whole settlement process is irrelevant to the passing of the tunnel face and is always in a disordered fluctuation state, and therefore the accumulated settlement curve is continuously analyzed.
Figure 7 shows a graphical representation of cumulative settlement for an observation group DX-839 of irregular settling tanks versus the change in profile of a rock face before and after passing through the observation group in accordance with one embodiment of the present invention.
According to the observation of the accumulated settlement curve of the measuring point group in the figure 7, the obvious settlement is found before the tunnel face passes through; the tunnel face is steadily fluctuated in the initial stage, then the trend rises, and the rebound earth surface is raised; meanwhile, after the tunnel face passes through, the earth surface settlement value rebounds, and the settlement value is always in a fluctuation state, but the fluctuation range of the measuring point is more concentrated.
Figure 8 shows a graphical representation of the change in day settlement of the data loss cross-section slot observation set DX-899 versus the profile of the tunnel face before and after passing through the observation set in accordance with one embodiment of the present invention.
The measuring point group DX-919 shown in FIG. 8 only has data of measuring points 1-4, the date corresponding to the monitoring time 1 is 23 days in 6 months, and the date corresponding to 28 days in 7 months is 20 days. Neglecting the measuring points with incomplete data, the curve fluctuates greatly from the early stage to the middle stage of settlement, and the fluctuation has a certain rule, namely 'bulge → settlement → bulge → settlement', and then the fluctuation gradually decreases, the whole curve is a bulge trend, and the measuring points 3 and 4 with incomplete data have no change in the rest time except 1-2 changes in the middle stage of settlement. Therefore, the daily settlement evolution law of the measuring point group has no great relation with the passing of the tunnel face, and the accumulated settlement evolution law is continuously analyzed.
FIG. 9 shows a graphical representation of cumulative settlement of the data loss cross-section slot observation set DX-919 versus profile before and after the tunnel face passes through the observation set, in accordance with one embodiment of the present invention.
As can be seen in FIG. 9, DX-919 sinks at points 3 and 4 in the middle of settling, and the same time period remains unchanged except for the subsequent rebound of point 3. The measuring point group keeps rising from the beginning of monitoring until the rising reaches about 7mm and begins to sink, but the sinking rate is slower, and the measuring point group is still in a rising state after being finally stable.
In conclusion, the classification of the shield construction surface subsidence form is realized by analyzing the surface subsidence space-time evolution law of all the measuring point group single lines.
It will be appreciated by persons skilled in the art that the above description of embodiments of the invention is intended only to illustrate the benefits of embodiments of the invention and is not intended to limit embodiments of the invention to any examples given.
According to an embodiment of the invention, a shield construction ground surface settlement form classification system is provided, which is characterized by comprising: a memory storing computer-executable instructions; a processor executing computer executable instructions in the memory to perform the steps of: setting earth surface settlement observation point groups aiming at the construction area, and measuring left and right line earth surface settlement data of each observation point group; drawing space curves of left and right lines of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area; classifying the settling tanks according to a spatial evolution rule; and classifying the space curves according to the classification of the settling tanks to respectively obtain different types of time evolution rules so as to obtain the time evolution rules of the shield construction surface settlement.
In one example, the construction area is an area having a complex surrounding environment.
In one example, the spatial evolution law is obtained from numerical simulation and actual detection data.
In one example, a spatial evolution law is obtained by sequentially analyzing a non-complex peripheral settlement theoretical solution of a spatial curve, a numerical model of a non-complex peripheral environment, a numerical model of a complex peripheral environment and actual working condition measured data.
In one example, the settling tank includes a typical settling tank, a partial regular settling tank, an irregular settling tank, and a data loss settling tank.
The system realizes classification of the shield construction surface subsidence form by analyzing the surface subsidence space-time evolution law of all the measuring point group single lines.
It will be appreciated by persons skilled in the art that the above description of embodiments of the invention is intended only to illustrate the benefits of embodiments of the invention and is not intended to limit embodiments of the invention to any examples given.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A method for classifying the ground surface settlement form of shield construction is characterized by comprising the following steps:
setting earth surface settlement observation point groups aiming at the construction area, and measuring left and right line earth surface settlement data of each observation point group;
drawing space curves of left and right lines of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area;
classifying the settling tanks according to the spatial evolution law;
and classifying the space curves according to the classification of the settling tanks to respectively obtain different types of time evolution rules so as to obtain the time evolution rules of the shield construction earth surface settlement.
2. The shield construction ground surface subsidence morphology classification method of claim 1, wherein the construction area is an area with a complex surrounding environment.
3. The shield construction earth surface settlement form classification method according to claim 1, wherein the spatial evolution law is obtained according to numerical simulation and actual detection data.
4. The method for classifying the earth surface settlement form in the shield construction according to claim 3, wherein the obtaining the spatial evolution law according to the numerical simulation and the actual detection data comprises:
and analyzing a non-complex peripheral settlement theoretical solution of the space curve, a numerical model of a non-complex peripheral environment, a numerical model of a complex peripheral environment and actual working condition actual measurement data in sequence to obtain the space evolution rule.
5. The shield construction ground surface settlement form classification method according to claim 1, wherein the settling tank comprises a typical settling tank, a partial regular settling tank, an irregular settling tank and a data loss settling tank.
6. The utility model provides a shield constructs construction earth's surface settlement form classification system which characterized in that, this system includes:
a memory storing computer-executable instructions;
a processor executing computer executable instructions in the memory to perform the steps of:
setting earth surface settlement observation point groups aiming at the construction area, and measuring left and right line earth surface settlement data of each observation point group;
drawing space curves of left and right lines of each observation point group according to the surface subsidence data, and further obtaining a space evolution rule of the surface subsidence of the construction area;
classifying the settling tanks according to the spatial evolution law;
and classifying the space curves according to the classification of the settling tanks to respectively obtain different types of time evolution rules so as to obtain the time evolution rules of the shield construction earth surface settlement.
7. The shield construction surface subsidence morphology classification system of claim 6, wherein the construction area is an area with a complex surrounding environment.
8. The shield construction earth surface settlement form classification system of claim 6, wherein the spatial evolution law is obtained according to numerical simulation and actual detection data.
9. The shield construction earth surface settlement form classification system of claim 8, wherein obtaining the spatial evolution law according to numerical simulation and actual detection data comprises:
and analyzing a non-complex peripheral settlement theoretical solution of the space curve, a numerical model of a non-complex peripheral environment, a numerical model of a complex peripheral environment and actual working condition actual measurement data in sequence to obtain the space evolution rule.
10. The shield construction ground surface settlement form classification system of claim 6, wherein the settling tank comprises a typical settling tank, a partial regular settling tank, an irregular settling tank and a data loss settling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010079591.1A CN111259560B (en) | 2020-02-04 | 2020-02-04 | Method and system for classifying subsidence morphology of earth surface in shield construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010079591.1A CN111259560B (en) | 2020-02-04 | 2020-02-04 | Method and system for classifying subsidence morphology of earth surface in shield construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111259560A true CN111259560A (en) | 2020-06-09 |
| CN111259560B CN111259560B (en) | 2023-05-05 |
Family
ID=70954890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010079591.1A Active CN111259560B (en) | 2020-02-04 | 2020-02-04 | Method and system for classifying subsidence morphology of earth surface in shield construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111259560B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112052274A (en) * | 2020-07-31 | 2020-12-08 | 武汉轻工大学 | Data mining method for rock stratum subway shield construction ground surface settlement rule |
| CN112380757A (en) * | 2020-12-14 | 2021-02-19 | 青岛理工大学 | Analysis method for offset distance of surface subsider peak point during construction of curved tunnel |
| CN113806843A (en) * | 2021-09-01 | 2021-12-17 | 北京住总集团有限责任公司 | Deformation analysis system and method based on dynamic fluctuation of bottom of sedimentation tank |
| CN114462185A (en) * | 2021-11-30 | 2022-05-10 | 中国建筑第五工程局有限公司 | Method for estimating five-dimensional evolution of space form of surface subsider caused by tunnel construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006022600A (en) * | 2004-07-09 | 2006-01-26 | Shimizu Corp | Settlement prediction method and settlement prediction program |
| CN106649912A (en) * | 2016-09-06 | 2017-05-10 | 中铁十六局集团北京轨道交通工程建设有限公司 | Settlement prediction method for metro tunnel shield undercrossing existing railway facilities |
| CN107489424A (en) * | 2017-07-28 | 2017-12-19 | 西安理工大学 | A kind of shield subway work induces stratum deformation and the predictor method influenceed on ancient building |
| CN109707394A (en) * | 2018-12-17 | 2019-05-03 | 同济大学 | A kind of construction method for subway tunnel shield receiving end portal |
-
2020
- 2020-02-04 CN CN202010079591.1A patent/CN111259560B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006022600A (en) * | 2004-07-09 | 2006-01-26 | Shimizu Corp | Settlement prediction method and settlement prediction program |
| CN106649912A (en) * | 2016-09-06 | 2017-05-10 | 中铁十六局集团北京轨道交通工程建设有限公司 | Settlement prediction method for metro tunnel shield undercrossing existing railway facilities |
| CN107489424A (en) * | 2017-07-28 | 2017-12-19 | 西安理工大学 | A kind of shield subway work induces stratum deformation and the predictor method influenceed on ancient building |
| CN109707394A (en) * | 2018-12-17 | 2019-05-03 | 同济大学 | A kind of construction method for subway tunnel shield receiving end portal |
Non-Patent Citations (6)
| Title |
|---|
| 冯义;陈寿根;罗石宝;: "盾构下穿铁路地表沉降分析" * |
| 廖利钊;郭谱;杨俊;: "地铁隧道盾构施工地表变形影响因素分析" * |
| 王小军;蒋勇;王文笛;韩凯吉;毛志鹏;: "宁波滨海软土地铁盾构隧道地表沉降效应与数值模拟研究" * |
| 赵卉子;李林;陈有亮;周雪莲;王朋;郜珊珊;: "超大直径泥水盾构隧道施工地面沉降实测分析" * |
| 韩煊;王法;雷崇红;尹宏磊;: "盾构隧道施工引起的土层分层沉降规律实测研究" * |
| 齐震明;李鹏飞;: "地铁区间浅埋暗挖隧道地表沉降的控制标准" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112052274A (en) * | 2020-07-31 | 2020-12-08 | 武汉轻工大学 | Data mining method for rock stratum subway shield construction ground surface settlement rule |
| CN112380757A (en) * | 2020-12-14 | 2021-02-19 | 青岛理工大学 | Analysis method for offset distance of surface subsider peak point during construction of curved tunnel |
| CN112380757B (en) * | 2020-12-14 | 2022-10-14 | 青岛理工大学 | Analysis method for offset distance of surface subsider peak point during construction of curved tunnel |
| CN113806843A (en) * | 2021-09-01 | 2021-12-17 | 北京住总集团有限责任公司 | Deformation analysis system and method based on dynamic fluctuation of bottom of sedimentation tank |
| CN114462185A (en) * | 2021-11-30 | 2022-05-10 | 中国建筑第五工程局有限公司 | Method for estimating five-dimensional evolution of space form of surface subsider caused by tunnel construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111259560B (en) | 2023-05-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111259560A (en) | Shield construction ground surface settlement form classification method and system | |
| Zhang et al. | Measurement and prediction of tunnelling-induced ground settlement in karst region by using expanding deep learning method | |
| CN104453804B (en) | Dynamic monitoring and evaluating method for gas-drive reservoir development | |
| CN103995947B (en) | Improved coal seam floor water inrush vulnerability evaluation method | |
| US10429528B2 (en) | Reducing microseismic monitoring uncertainty | |
| CN105426619A (en) | Analysis method for determining longitudinal bending rigidity of shield tunnel | |
| CN104989456A (en) | Large-span underground construction surrounding rock excavation stability monitoring and early warning method | |
| CN111119902B (en) | Tunnel dynamic construction method based on BP neural network | |
| Nguyen et al. | An analytical solution for consolidation of PVD-installed deposit considering nonlinear distribution of hydraulic conductivity and compressibility | |
| CN103472497A (en) | Channel-started debris flow outbreak scale calculation method and application | |
| CN102305610B (en) | Dynamic theory and method for judging movement of earth surface of side slope | |
| CN104268380A (en) | Long-term stability prediction method for three-dimensional creep slope | |
| CN111738501B (en) | Medium-short term prediction method for mining area earth surface deformation caused by underground mining | |
| CN102465699A (en) | Carbonate rock reservoir prediction method | |
| CN103164624A (en) | Method for obtaining homogeneous underground pipeline state data of parallel tunnel axis | |
| Shiau et al. | Settlement analyses of underground circular tunneling in soft clay | |
| CN114970159A (en) | Method for calculating lateral deformation of diaphragm wall by adopting three-order shear deformation plate theory | |
| CN115130724A (en) | Dynamic adjustment method and system for urban underground water mining planning | |
| Zhang et al. | Analysis of surface deformation characteristics in pipe jacking construction based on the theory of a stratum cross-correlation conditional random field | |
| Chen et al. | The analysis on the deformation predition of pile-anchor retaining structure in deep foundation pit in Kunming | |
| Feng et al. | Application of intelligent rock mechanics methodology to rock engineering | |
| CN110068862B (en) | Prediction method and device for high-quality reservoir of salt ultra-deep fractured anticline oil and gas reservoir | |
| Sun et al. | Research on deformation mechanism of surrounding rock during excavation of large-span shallow-buried double-arch tunnel | |
| CN116305501B (en) | Method and system for judging influence subarea of open cut tunnel near shield tunnel collaborative construction | |
| Liu et al. | Prediction on ground surface settlement caused by subway shield construction in Xi'an |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |