CN104881573B - A kind of methods of risk assessment and system of city track traffic engineering - Google Patents
A kind of methods of risk assessment and system of city track traffic engineering Download PDFInfo
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- CN104881573B CN104881573B CN201510240007.5A CN201510240007A CN104881573B CN 104881573 B CN104881573 B CN 104881573B CN 201510240007 A CN201510240007 A CN 201510240007A CN 104881573 B CN104881573 B CN 104881573B
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Abstract
A kind of methods of risk assessment of city track traffic engineering, it is related to the track settlement Control in city track traffic engineering, it is characterized in that, the following steps are included: using there is three dimensional analysis module to establish stratum structure model, the working procedure of derivation module simulation new construction, solution and operation are carried out by several described junior units, obtains several the first ground settlement values Sn, calculate the second ground settlement value S at the x of tunnel centerx；The first ground settlement value S at more same ground settlementnWith the second ground settlement value Sx, judge the first ground settlement value SnIt is whether correct；Further judge the first ground settlement value SnMaximum value whether be less than the maximum allowable sedimentation value of ground settlement value, and then judge whether existing subway is safe, this method can not only simulate the work progress that new construction closes on or passes through existing operated subway engineering, but also can determine whether existing operated subway is safe by track sedimentation value.
Description
Technical field
The present invention relates to city track traffic engineering fields, and in particular to a kind of city track traffic engineering middle orbit sedimentation
The appraisal procedure and system of risk.
Background technique
Urban track traffic brings great convenience to the trip of city people's lives, alleviates city to a certain extent
Traffic jam pressure.Currently, China big and medium-sized cities have welcome the fast-developing period of subway construction, domestic large and medium-sized city
City builds urban track traffic, such as Beijing, Shanghai, Guangzhou, Wuhan, Changsha and Nanchang one after another, has and has built up, also has just
In the urban track traffic of construction.
Track structure is the basic bearing structure of railcar operation, its sedimentation directly influences the operation shape of subway
Condition；And the maximum settlement value that domestic subway specification and the relevant criterion of various regions all allow track structure has defined, therefore rail
The settlement Control of road structure is an important evaluation index.
But as subway line increases, more and more municipal works, including building construction, municipal pipeline and new
Build subway engineering, on across, close on and under wear existing operated subway station or section.It is this to close on or crossing project is to existing operation
Underground railway track structure generates certain influence, poses a serious threat to operated subway.And the people that subway is important as city
Raw engineering and passenger flow corridor, subway once break down, it will generate huge social influence.
Therefore, city track traffic engineering risk assess most important.
Summary of the invention
The purpose of the present invention exactly overcomes the deficiencies of the prior art and provide a kind of methods of risk assessment of track sedimentation,
Suitable for City Rail Transit System, this method can not only simulate new construction and close on or pass through existing operated subway engineering
Work progress, but also can determine whether existing operated subway is safe by track sedimentation value.
In order to achieve the above object, it adopts the following technical scheme that
A kind of methods of risk assessment of city track traffic engineering, the track sedimentation being related in city track traffic engineering
Control, comprising the following steps:
Stratum structure model is established, and according to the parameter value of preset cell type, real constant and elasticity modulus, it will
The junior unit that the stratum structure model partition is used to calculate and analyze at several；
According to preset construction parameter, the working procedure of new construction is simulated, by several described junior units to described
Structure model of soil layer carries out solution and operation, obtains several the first ground settlement values Sn, wherein n=1,2j, j are institute
State the number of junior unit；
According to the preset condition of Stratum Loss, the maximum settlement value S of tunnel centerline earth's surface is calculatedmax；
Calculation formula are as follows:Wherein VlUnit length Stratum Loss caused by construct, i are ground
The spread factor of table subsider；
Calculate the second ground settlement value S at the x of tunnel centerx, calculation formula are as follows:
Calculate the first ground settlement value S at the x of tunnel centernWith the second ground settlement value Sx, the first ground of multilevel iudge
Table sedimentation value SnIt is whether correct；
If the difference of the two is greater than the second ground settlement value Sx10%, then determine the first ground settlement value SnIt is incorrect；
If the difference of the two is less than or equal to the second ground settlement value Sx10%, then determine the first ground settlement value SnCorrectly,
And extract the first ground settlement value SnMaximum value, further judge the first ground settlement value SnMaximum value whether be less than earth's surface
The maximum allowable sedimentation value of sedimentation value；
If the first ground settlement value SnMaximum value be less than or equal to maximum allowable sedimentation value, then determine existing metro safety；
If the first ground settlement value SnMaximum value be greater than maximum allowable sedimentation value, then determine that existing subway is dangerous.
As a kind of specific embodiment, several the first ground settlement values S is being obtainednAfterwards, further comprising the steps of:
By the first ground settlement value SnIt stores to the first Falling Number data library；Or by the first ground settlement value
Sn generates the first ground settlement value sequence, stores to the first Falling Number data library；
Calculating the second ground settlement value S at the x of tunnel centerxAfterwards, further comprising the steps of:
By the second ground settlement value SxIt stores to the second Falling Number data library；Or by the second ground settlement value
Sx generates the second ground settlement value sequence, then stores to the second Falling Number data library.
As a kind of specific embodiment, in multilevel iudge the first ground settlement value SnWhether it is correct before, further include with
Lower step: taking apart from tunnel center x is different value, and multiple groups the first ground settlement value S is calculatednWith the second ground settlement value Sx
Difference, and calculate the average value of multiple groups difference.
Further, the spread factor of the ground settlement slotWherein H is thickness of earth covering, R
To calculate radius,For the internal friction angle of earthing；
If tunnel structure is rectangular configuration, equivalent redius R=0.29 (h+b), wherein h, b are respectively the length of rectangular configuration
The length of short side；
If the cross section of tunnel structure is other non-circular structures, equivalent rediusWherein A is tunnel structure
Cross-sectional area.
Further, the preset condition of the Stratum Loss is Stratum Loss in entire length of tunnel uneven distribution, is sunk
The shape for dropping slot is in normal distribution curve.
As a kind of specific embodiment, for the subway engineering of linear induction motor system, when subway is in non-operation
When state, the maximum allowable sedimentation value is 20mm；When subway is in operation state, the maximum allowable sedimentation value is 1mm.
As a kind of specific embodiment, for the subway engineering of steel wheel rail system, when subway is in non-operation state
When, the maximum allowable sedimentation value is 20mm；When subway is in operation state, maximum allowable sedimentation value is 3mm.
It is a further object to provide a kind of risk evaluating systems of track sedimentation.It is suitable for city rail friendships
Way system, the system can not only simulate the work progress that new construction closes on or passes through existing operated subway engineering, calculate
Sedimentation value of track during new construction, but also can determine whether existing operated subway pacifies by track sedimentation value
Entirely.
In order to achieve the above object, it adopts the following technical scheme that
A kind of risk evaluating system of city track traffic engineering, the track sedimentation being related in city track traffic engineering
Control includes:
Three dimensional analysis module, for establishing stratum structure model, according to preset cell type, real constant and elasticity
The parameter value of modulus, the junior unit that the stratum structure model partition is used to calculate and analyze at several；
Derivation module is solved and is calculated for simulating the working procedure of new construction according to preset construction parameter
Obtain the first ground settlement value Sn, wherein n=1,2j, j are the number of the junior unit；
First computing module, for the preset condition according to Stratum Loss, the maximum for calculating tunnel centerline earth's surface is heavy
Depreciation Smax；
Second computing module, for calculating the second ground settlement value S at the x of tunnel centerx；
Third computing module, for calculating the first ground settlement value S at the x of tunnel centernWith the second ground settlement
Value Sx；
First comparison module is used for multilevel iudge the first ground settlement value SnIt is whether correct；
Extraction module, for extracting the first ground settlement value SnMaximum value；
Second comparison module, for further judging the first ground settlement value SnMaximum value whether be less than ground settlement value
Maximum allowable sedimentation value, with determine existing subway whether safety.
As a kind of specific embodiment, which further includes having First ray generation module, is used for first ground
Table sedimentation value Sn generates the first ground settlement value sequence, the second sequence generating module, by the second ground settlement value SxIt generates
Second ground settlement value sequence.
As a kind of specific embodiment, which further includes having mean value calculation module to calculate the first ground settlement of multiple groups
Value SnWith the second ground settlement value SxDifference difference average value.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is applied in city track traffic engineering risk assessment, utilizes three dimensional analysis module, derivation module
The track sedimentation for simulating and calculating built subway, judges the safety of existing subway, instructs design, construction and monitoring,
And it is proposed reasonably to suggest.Qualitative analysis not only is carried out to risk assessment, but also track sedimentation value is commented as subway risk
The important indicator estimated also carries out quantitative analysis to risk assessment.
Detailed description of the invention
Fig. 1 is the risk evaluating system module diagram of city track traffic engineering.
Fig. 2 is the methods of risk assessment flow chart of city track traffic engineering.
Fig. 3 is surface subsidence curve graph.
Specific embodiment
Below in conjunction with attached drawing and specific implementation method, the present invention will be described in detail, in illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
As shown in Figure 1, a kind of risk evaluating system of city track traffic engineering of the present invention, is related to urban track traffic
Track settlement Control in engineering includes:
Include: three dimensional analysis module 1, derivation module 2, the first computing module 3, the second computing module 4, third meter
Calculate module 5, the first comparison module 6, extraction module 7 and the second comparison module 8.First ray generation module 9, the second sequence are raw
At module 10, mean value calculation module 11.Prestored information database 12, the first Falling Number data library 13, the second Falling Number data
Library 14.
Explanation will be described to each module respectively below:
Wherein, three dimensional analysis module 1, for establishing stratum structure model, and often according to preset cell type, reality
Several and elasticity modulus parameter value, the small list that the stratum structure model partition is used to calculate and analyze at several
Member.
Wherein, the parameter value of the preset cell type, real constant and elasticity modulus is stored in advance in prestored information number
According in library 11, described, the parameter value of the preset cell type, real constant and elasticity modulus is according to track existing structure, rail
The material and property of road newly-built structure and soil layer determine.
Derivation module 2 is solved and is counted for simulating the working procedure of new construction according to preset construction parameter
Calculation obtains the first ground settlement value Sn, wherein n=1,2j, j are the number of the junior unit；
Wherein, the first ground settlement value S that will be obtainednIt is heavy to generate the first earth's surface for size according to distance from tunnel center x
Depreciation sequence, the first ground settlement value sequence can be to be generated from small to large according to the value of x, is also possible to according to x's
Value generates from big to small, and the first ground settlement value sequence of the generation is saved into the first Falling Number data library 12；
First computing module 3, for the preset condition according to Stratum Loss, the maximum for calculating tunnel centerline earth's surface is heavy
Depreciation Smax；By SmaxTemporarily it is stored in the second Falling Number data library 13；
Second computing module 4, for calculating the second ground settlement value S at the x of tunnel centerx；Generate several
Two ground settlement value Sx, and according to the generation order of the first ground settlement value sequence, the second ground settlement value sequence is generated,
It stores to the second Falling Number data library 13.
Wherein, the sequence location respective distances tunnel center of the first ground settlement value sequence and the second ground settlement value sequence
The sedimentation value that x phase exists together.
Third computing module 5, for calculating the first ground settlement value S at the x of tunnel centernWith the second ground settlement
Value Sx。
First comparison module 6 is used for multilevel iudge the first ground settlement value SnIt is whether correct；
Extraction module 7, for extracting the first ground settlement value SnMaximum value；According to the first judging result, if first sentences
Disconnected the result is that correct, then extraction module 7 is then started to work, and it is heavy that maximum first earth's surface is extracted from the first Falling Number data library 13
Depreciation extracts the maximum settlement value S being temporarily stored in the second Falling Number data library 14max。
Second comparison module 8, for further judging the first ground settlement value SnMaximum value whether be less than ground settlement
The maximum allowable sedimentation value of value, to determine whether existing subway is safe.
A kind of risk evaluating system of track sedimentation of the invention, the system can not only simulate new construction and close on or wear
The work progress of more existing operated subway engineering calculates sedimentation value of errant during new construction, but also can lead to
Track sedimentation value is crossed to determine whether existing operated subway is safe.
The present invention is applied in city track traffic engineering risk assessment, utilizes three dimensional analysis module, derivation module
The track sedimentation for simulating and calculating built subway, judges the safety of existing subway, instructs design, construction and monitoring,
And it is proposed reasonably to suggest.Qualitative analysis not only is carried out to risk assessment, but also track sedimentation value is commented as subway risk
The important indicator estimated also carries out quantitative analysis to risk assessment.
Below in conjunction with attached drawing and the risk evaluating system of city track traffic engineering of the invention, to of the invention a kind of
A kind of methods of risk assessment of city track traffic engineering makes a detailed description.
As shown in Fig. 2, a kind of methods of risk assessment of city track traffic engineering, relates generally to new construction to city
The influence of existing subway in railway traffic engineering determines whether operational railway is safe using track sedimentation and deformation value, specific to wrap
Include following steps:
Firstly, establishing stratum structure model by three dimensional analysis module 1, unit is transferred from prestored information database 12
The parameter value of type, real constant and elasticity modulus, and according to the parameter value of cell type, real constant and elasticity modulus to described three
It ties up structure model of soil layer and carries out grid dividing, the stratum structure model partition is used to calculate and analyze at several
Junior unit；
The working procedure that new construction is simulated by derivation module 2, transfers from prestored information database 12 and prestores
Construction parameter, be input to the stratum structure model, by several described junior units carry out solve and operation, obtain
Several the first ground settlement values Sn, wherein n=1,2j, j are the number of the junior unit；And it is calculated described
A series of first ground settlement values save into the first Falling Number data library 13；
Wherein, a series of first ground settlement value S are being savedn, until before the first Falling Number data library, it is preferable that pass through
A series of first ground settlement values are generated the first ground settlement value sequence by one sequence generating module 9.Again by the first ground settlement
Value sequence is saved in the first Falling Number data library 13.
Secondly, as shown in figure 3, adjusting the preset condition according to Stratum Loss, i.e., entire tunnel in prestored information database 12
Length uneven distribution, while the shape of subsider is in normal distribution curve, calculates the maximum settlement of tunnel centerline earth's surface
Value Smax, calculation formula are as follows:Wherein VlUnit length Stratum Loss, i caused by construct are
The spread factor of ground settlement slot.
And maximum settlement value S will be obtainedmaxTemporarily it is stored in the second Falling Number data library 14；
The spread factor i of the ground settlement slot, namely from tunnel center to the distance of subsider curve inflection point 15, it is single
Position m.
Wherein, the spread factor of the ground settlement slot
Wherein H is thickness of earth covering, and R is equivalent redius,For the internal friction angle of earthing, whereinThe size of value and specific
Regional soil property is related, for example, as a certain area no-Co-alloy steel its35 °~40 ° are taken, stiff clayTake 25 °~30 °, it is soft
ClayTake 15 °~20 °.
If tunnel structure is rectangular configuration, equivalent redius R=0.29 (h+b), wherein h, b are respectively the length of rectangular configuration
The length of short side；
If the cross section of tunnel structure is other non-circular structures, equivalent rediusWherein A is tunnel structure
Cross-sectional area.As shown in figure 3, the shape of tunnel structure is in pentagon, then A is pentagonal cross-sectional area.
Calculate the second ground settlement value S at the x of tunnel centerx, calculation formula are as follows:
Generate several the second ground settlement values Sx, by the second ground settlement value S of generationxIt stores to the second sedimentation value number
According to library；
Preferably, by the second ground settlement value SxIt stores to before the second Falling Number data library, the second sequence generates mould
Block 10 generates according to the generation order of the first ground settlement value sequence the second ground settlement value sequence, stores to second
Falling Number data library 14.
Extraction module 7 extracts the first ground settlement value S from the x of tunnel center from the first Falling Number data library 13n, from
The second ground settlement value S is extracted in second Falling Number data library 14x, extract the first comparison module 6.
Preferably, the first ground settlement value S from the x of tunnel center is extracted from the first Falling Number data library 13nAfterwards, raw
At the first comparison sequence, the second ground settlement value S is extracted from the second Falling Number data library 14x, generate the first comparison sequence.
It is such as extracted after the first ground settlement value from the x=0 of tunnel center from from the first Falling Number data library 13, from the
It extracts in two Falling Number data libraries 14 apart from tunnel center x=0 the second ground settlement value Sx。
Calculate the first ground settlement value S at the x of tunnel centernWith the second ground settlement value Sx, the first ground of multilevel iudge
Table sedimentation value SnIt is whether correct；
If the difference of the two is greater than the second ground settlement value Sx10%, then determine the first ground settlement value SnIt is incorrect；
If the difference of the two is less than or equal to the second ground settlement value Sx10%, then determine the first ground settlement value SnCorrectly,
And extract the first ground settlement value SnMaximum value, further judge the first ground settlement value SnMaximum value whether be less than earth's surface
The maximum allowable sedimentation value of sedimentation value；
If the first ground settlement value SnMaximum value be less than or equal to maximum allowable sedimentation value, then determine existing subway peace
Entirely；
If the first ground settlement value SnMaximum value be greater than maximum allowable sedimentation value, then determine that existing subway is dangerous.
Wherein, in multilevel iudge the first ground settlement value SnWhether it is correct before, it is preferable that take and be apart from tunnel center x
Multiple groups the first ground settlement value S is calculated in different valuenWith the second ground settlement value SxDifference, pass through mean value calculation mould
Block calculates the average value of multiple groups difference.Namely can extract at different x values is the first ground settlement value SnnWith the second ground settlement
Value SxIt is compared, and will be relatively obtained at different x values as a result, being averaged.The first ground settlement value S is judged againnWhether just
Really.
Wherein, described maximum fair when subway is in non-operation state for the subway engineering of linear induction motor system
Perhaps sedimentation value is 20mm；When subway is in operation state, the maximum allowable sedimentation value is 1mm.
Wherein, described maximum allowable heavy when subway is in non-operation state for the subway engineering of steel wheel rail system
Depreciation is 20mm；When subway is in operation state, the maximum allowable sedimentation value is 3mm.
Specifically, by taking the subway engineering of linear induction motor system as an example:
When subway is in non-operation state, if the first ground settlement value SnMaximum value be less than or equal to 20mm, then determine
Existing metro safety；
When subway is in operation state, if the first ground settlement value SnMaximum value be less than or equal to 1mm, then determine existing
Metro safety；
When subway is in non-operation state, if the first ground settlement value SnMaximum value be greater than 20mm, then determine existing
Subway is dangerous.
When subway is in operation state, if the first ground settlement value SnMaximum value be greater than 1mm, then determine existing subway
Safety.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above embodiments is only applicable to help to understand this
The principle of inventive embodiments；At the same time, for those skilled in the art, according to an embodiment of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of methods of risk assessment of city track traffic engineering, the track sedimentation control being related in city track traffic engineering
System, which comprises the following steps:
Stratum structure model is established, and according to the parameter value of preset cell type, real constant and elasticity modulus, it will be described
The junior unit that stratum structure model partition is used to calculate and analyze at several；
According to preset construction parameter, the working procedure of new construction is simulated, by several described junior units to the stratum
Structural model carries out solution and operation, obtains several the first ground settlement values Sn, wherein n=1,2j, j are described small
The number of unit；
According to the preset condition of Stratum Loss, the maximum settlement value S of tunnel centerline earth's surface is calculatedmax；
Calculation formula are as follows:Wherein VlUnit length Stratum Loss caused by construct, i are heavy for earth's surface
The spread factor of slot drops；
Calculate the second ground settlement value S at the x of tunnel centerx, calculation formula are as follows:I is ground
The spread factor of table subsider；
Calculate the first ground settlement value S at the x of tunnel centernWith the second ground settlement value SxDifference, multilevel iudge first
Ground settlement value SnIt is whether correct；
If the difference of the two is greater than the second ground settlement value Sx10%, then determine the first ground settlement value SnIt is incorrect；
If the difference of the two is less than or equal to the second ground settlement value Sx10%, then determine the first ground settlement value SnCorrectly, it and mentions
Take the first ground settlement value SnMaximum value, further judge the first ground settlement value SnMaximum value whether be less than earth's surface
The maximum allowable sedimentation value of sedimentation value；
If the first ground settlement value SnMaximum value be less than or equal to maximum allowable sedimentation value, then determine existing metro safety；
If the first ground settlement value SnMaximum value be greater than maximum allowable sedimentation value, then determine that existing subway is dangerous.
2. the methods of risk assessment of city track traffic engineering according to claim 1, which is characterized in that
Obtaining several the first ground settlement values SnAfterwards, further comprising the steps of:
By the first ground settlement value SnIt stores to the first Falling Number data library；Or by the first ground settlement value SnIt is raw
At the first ground settlement value sequence, store to the first Falling Number data library；
Calculating the second ground settlement value S at the x of tunnel centerxAfterwards, further comprising the steps of:
By the second ground settlement value SxIt stores to the second Falling Number data library；Or by the second ground settlement value SxIt is raw
At the second ground settlement value sequence, then store to the second Falling Number data library.
3. the methods of risk assessment of city track traffic engineering according to claim 1, which is characterized in that
In multilevel iudge the first ground settlement value SnWhether it is correct before, further comprising the steps of: taking apart from tunnel center x is not
With value, multiple groups the first ground settlement value S is calculatednWith the second ground settlement value SxDifference, and calculate being averaged for multiple groups difference
Value.
4. the methods of risk assessment of city track traffic engineering according to claim 1-3, which is characterized in that
The spread factor of the ground settlement slotWherein H is thickness of earth covering, and R is equivalent redius,For
The internal friction angle of earthing；
If tunnel structure is rectangular configuration, equivalent redius R=0.29 (h+b), wherein h, b are respectively the long short side of rectangular configuration
Length；
If the cross section of tunnel structure is other non-circular structures, equivalent rediusWherein A is the transversal of tunnel structure
Area.
5. the methods of risk assessment of city track traffic engineering according to claim 4, which is characterized in that
The preset condition of the Stratum Loss is Stratum Loss in entire length of tunnel uneven distribution, and the shape of subsider is in just
State distribution curve.
6. the methods of risk assessment of city track traffic engineering according to claim 5, which is characterized in that
For the subway engineering of linear induction motor system:
If subway is in non-operation state, the maximum allowable sedimentation value is 20mm；
If subway is in operation state, the maximum allowable sedimentation value is 1mm.
7. the methods of risk assessment of city track traffic engineering according to claim 5, which is characterized in that
For the subway engineering of steel wheel rail system:
If subway is in non-operation state, the maximum allowable sedimentation value is 20mm；
If subway is in operation state, maximum allowable sedimentation value is 3mm.
8. a kind of risk evaluating system of city track traffic engineering, the track sedimentation control being related in city track traffic engineering
System is it is characterised in that it includes have:
Three dimensional analysis module, for establishing stratum structure model, according to preset cell type, real constant and elasticity modulus
Parameter value, the junior unit that the stratum structure model partition is used to calculate and analyze at several；
Derivation module, for simulating the working procedure of new construction, solving and be calculated according to preset construction parameter
First ground settlement value Sn, wherein n=1,2j, j are the number of the junior unit；
First computing module calculates the maximum settlement value of tunnel centerline earth's surface for the preset condition according to Stratum Loss
Smax；
Calculation formula are as follows:Wherein VlUnit length Stratum Loss caused by construct, i are heavy for earth's surface
The spread factor of slot drops；
Second computing module, for calculating the second ground settlement value S at the x of tunnel centerx, calculation formula are as follows:I is the spread factor of ground settlement slot；
Third computing module, for calculating the first ground settlement value S at the x of tunnel centernWith the second ground settlement value Sx's
Difference；
First comparison module is used for multilevel iudge the first ground settlement value SnIt is whether correct；
If the difference of the two is greater than the second ground settlement value Sx10%, then determine the first ground settlement value SnIt is incorrect；
If the difference of the two is less than or equal to the second ground settlement value Sx10%, then determine the first ground settlement value SnCorrectly；
Extraction module, for determining the first ground settlement value S when the first comparison modulenWhen correct, the first ground settlement value S is extractedn
Maximum value；
Second comparison module, for further judging the first ground settlement value SnMaximum value whether be less than ground settlement value most
It is big to allow sedimentation value, to determine whether existing subway is safe.
9. a kind of risk evaluating system of city track traffic engineering according to claim 8,
The system further includes having First ray generation module, is used for the first ground settlement value SnGenerate the first ground settlement
Value sequence,
Second sequence generating module, by the second ground settlement value SxGenerate the second ground settlement value sequence.
10. a kind of risk evaluating system of city track traffic engineering according to claim 8,
The system further includes having mean value calculation module, calculates multiple groups the first ground settlement value SnWith the second ground settlement value Sx's
The average value of difference.
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| CN105822319A (en) * | 2016-03-21 | 2016-08-03 | 潘燕 | Highway tunnel structure construction method |
| CN106403877A (en) * | 2016-11-25 | 2017-02-15 | 烟台职业学院 | Method for determining the equivalent radius of any irregular conductor |
| CN107330571A (en) * | 2017-08-25 | 2017-11-07 | 中船第九设计研究院工程有限公司 | A kind of foundation ditch group engineer district scheme evaluation method lost based on environmental risk |
| CN109357657B (en) * | 2018-11-14 | 2020-08-07 | 华侨大学 | Method for predicting maximum depth of beach animal hole |
| CN117057025B (en) * | 2023-10-12 | 2024-01-23 | 国网山东省电力公司鱼台县供电公司 | Power distribution room design method and system and power distribution room |
-
2015
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Non-Patent Citations (3)
| Title |
|---|
| 北京地铁14号线大直径盾构隧道下穿机场线桥桩结构变形及其控制研究;张文正;《中国优秀硕士学位全文数据库 工程科技II辑》;20121115;第2012年卷(第11期);C034-53 * |
| 地下工程穿越既有地铁线路变形控制标准和技术研究;杨广武;《中国博士学位论文全文数据库 工程科技II辑》;20100915;第2010年卷(第9期);C033-3 * |
| 地铁隧道下穿既有铁路对线路结构的影响研究;罗浩威;《中国优秀硕士学位全文数据库 工程科技II辑》;20140215;第2014年卷(第2期);C033-29 * |
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