CN108256204A - A kind of high pile pier structure overall security appraisal procedure based on energy method - Google Patents
A kind of high pile pier structure overall security appraisal procedure based on energy method Download PDFInfo
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Abstract
The invention discloses a kind of high pile pier structure overall security appraisal procedures based on energy method, include the following steps：Step 1: establishing high pile pier structure periodically examines damage mechanism and its database；Step 2: measure operation and the faulted condition of high pile pier structure：Step 3: establish the analysis model for finite element for reflecting its practical operation state；Step 4: obtaining the steady interior energy of increasing of high pile pier structure and unstability external enwergy according to analysis model for finite element, safety coefficient feasible value is provided；Step 5: calculating the safety coefficient obtained under various operations and environmental load effect and being compared with safety coefficient feasible value, the general safety performance of high pile pier structure is evaluated.High pile pier structure overall security appraisal procedure provided by the invention based on energy method, it has broken away from existing appraisal procedure to be confined to component, lack the problem of unified evaluation criteria so that high pile pier structure overall security appraisal procedure has more generality and representativeness.
Description
Technical field
The invention belongs to high pile pier structure safety assessment technique fields, and in particular to a kind of high stake code based on energy method
Header structure overall security appraisal procedure.
Background technology
Configuration state and safety evaluation are the final goals of structure detection.Domestic and foreign scholars have carried out largely in the field
Research, but still there are following both sides difficulty：1) the rationally effectively foundation of appraisal procedure；2) safety appraisement of structure index
Selection.
The detection research of high pile pier structure at present is mostly confined to modular level, and main cause is wharf detection assessment work
Subject involved by making is very wide, and detection difficulty is very big, belongs to one of domestic and international research puzzle.《Structures in Port Engineering is detected with commenting
Estimate technical specification》It is safety of the domestic first to the built marine structure such as all kinds of harbours, breakwater and bank-protection works
Property, the detection of usability and durability and appraisal procedure make defined professional standard, and basic skills is Site Detection knot
Structural checking computation is closed, on the basis of review checks, it is proposed that a safety grades.In addition, four boat engineering research institute 2011
It issues《Port and pier safety of structure detects and assessment guide》, the safety of high pile pier structure component is given in detail
Detection and appraisal procedure.Wang Yuan wars et al. establish typical beam based on nonlinear Finite Element Numerical model using Monte Carlo Method
Board-like long piled wharf ultimate bearing capacity probability Distribution Model and statistical parameter have studied horizontal loading and vertical Loading respectively
Under lossless structure ultimate bearing capacity probability distribution and damage position, degree of injury and damage quantity to long piled wharf ultimate bearing
The influence of power probability distribution and statistical parameter, and JC methods are respectively adopted, first-order second moment method calculates the entirety of structure and reliably refers to
Mark.Wu Feng etc. is based on analytic hierarchy process (AHP), using Fuzzy comprehensive evaluation theory, establishes the durability level knot that long piled wharf is applicable in
Structure model gives the computational methods of layering evaluation index variable weight and membership function, it is proposed that a set of long piled wharf runs the phase
Durability Fuzzy Synthetic Evaluation.Cheng Ting et al. establishes the assessment mould of structure for the design feature of beam and slab type long piled wharf
Type determines the weight of each influence factor by analytic hierarchy process (AHP), and dock safety reliability level is determined using fuzz method.
But at present about the general safety of high pile pier structure there are no unified definition, in high pile pier structure entirety
Feasible method is not provided still in terms of safety quantizating index.
Invention content
Of the existing technology to solve the problems, such as, the present invention proposes that a kind of high pile pier structure based on energy method is integrally pacified
Full property appraisal procedure has been broken away from the problem of existing appraisal procedure is confined to component and lacks unified evaluation criteria, has been made
It obtains high pile pier structure overall security appraisal procedure and has more generality and representativeness.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high pile pier structure overall security appraisal procedure based on energy method, includes the following steps：
Step 1: establishing high pile pier structure periodically examines damage mechanism and its database；
Step 2: measure operation and the faulted condition of high pile pier structure：
Step 3: the high pile pier structure operation and degree of impairment that are obtained according to step 2, which are established, reflects its practical operation shape
The analysis model for finite element of state；
Step 4: the steady interior energy of increasing and unstability of high pile pier structure are obtained according to the analysis model for finite element of step 3
External enwergy provides safety coefficient feasible value；
Step 5: safety coefficient of the high pile pier structure under various operations and environmental load effect is calculated according to step 4
And be compared and analyze with safety coefficient feasible value, the general safety performance of high pile pier structure is evaluated.
Further, in step 1, the high pile pier structure periodically examines the establishment step packet of damage mechanism and its database
It includes：Periodically to high pile pier structure the major defects situation such as apparent displacement, dislocation, crack, corrosion be detected and record and
Detailed defect characteristic is preserved, forms database.
Further, in step 2, operation and the faulted condition of high pile pier structure are determined by reconnaissance trip, it is specific to walk
Suddenly include：By reconnaissance trip obtain the shift value of high pile pier structure, dislocation value, crack developing depth, crack developing width,
Crack connects the defects of situation and corrosion depth data and is analyzed, and the information of acoustic wave in water body is detected by echo scanner
And obtain the ground such as long piled wharf Shoreline changes, the wharf apron depth of water and the gradient after the first sonic data collector and PC machine processing
Matter delta data is simultaneously analyzed, and obtains operation and its faulted condition of high pile pier structure.
Further, in step 2, operation and the faulted condition of high pile pier structure are determined by dynamic test, it is specific to walk
Suddenly include：The dynamic characteristics numbers such as intrinsic frequency and the damping ratio of each first order mode of high pile pier structure are measured by vibrating sensor
According to and be sent to the second sonic data collector and PC machine is handled, obtain corresponding dynamic response data, obtain high stake code
The operation of header structure and its faulted condition.
Further, in step 3, the analysis model for finite element is passes through to long piled wharf knot according to step 2
Structure is carried out after making an on-the-spot survey test, is modeled to obtain according to the actual defects of high pile pier structure.
Further, in step 4, the steady interior energy Δ of increasing of high pile pier structure is calculated according to analysis model for finite element
W1With unstability external enwergy Δ W2, increase steady interior energy Δ W1Calculation formula be：
Unstability external enwergy Δ W2Calculation formula be：
Wherein, σ0、δue, Δ e, Δ ε and Δ σ be respectively original state stress, original condition loads, interference displacement, should
Become, small deformation strain and stress, calculated and measured by the analysis model for finite element established in step 3.
Further, high pile pier structure overall security assessment is carried out using energy method, long piled wharf knot is calculated
The safety coefficient of structure, the calculation formula of safety coefficient are：
Wherein, KMFor safety coefficient, Δ W1The steady interior energy of increasing for high pile pier structure, Δ W2Mistake for high pile pier structure
Steady external enwergy.
Further, corresponding safety coefficient feasible value [K is given according to high pile pier structure gradeM], it will be calculated
High pile pier structure safety coefficient KMSafety coefficient feasible value [K corresponding with same gradeM] be compared, when safety system
Number KMMore than safety coefficient feasible value [KM] when, judgement high pile pier structure safety works as safety coefficient KMAllow less than safety coefficient
It is worth [KM] when, judgement high pile pier structure is dangerous.
Compared with prior art, beneficial effects of the present invention are：
The invention discloses a kind of high pile pier structure overall security appraisal procedure based on energy method, including following step
Suddenly：Step 1: establishing high pile pier structure periodically examines damage mechanism and its database；Step 2: measure the fortune of high pile pier structure
Battalion and faulted condition：Step 3: establish the analysis model for finite element for reflecting its practical operation state；Step 4: according to having
Limit member calculates analysis model and obtains the steady interior energy of increasing of high pile pier structure and unstability external enwergy, provides safety coefficient feasible value；Step
5th, calculate obtain high pile pier structure it is various operation and environmental load effect under safety coefficient and with safety coefficient feasible value
It is compared and analyzes, the general safety performance of high pile pier structure is evaluated.It is provided by the invention based on energy method
High pile pier structure overall security appraisal procedure has broken away from existing appraisal procedure and has been confined to component, lacks unified assessment mark
The problem of quasi- so that high pile pier structure overall security appraisal procedure has more generality and representativeness.
Description of the drawings
Fig. 1 is that the present invention carries out high pile pier structure in the displacement of reconnaissance trip, rift defect schematic diagram；
Fig. 2 is the side view that the present invention carries out high pile pier structure reconnaissance trip；
Fig. 3 is that the present invention carries out high pile pier structure the water front of reconnaissance trip, bank slope geologic change situation schematic diagram；
Fig. 4 is the arrangement schematic diagram of the dynamic test of the present invention；
Fig. 5 is the work flow diagram of the present invention；
Wherein, 1- crossbeams；2- pile covers；3- foundation piles；4- cracks；5- hulls；6- echo sounders；7- beam of sounds；8- first
Sonic data collector；9-PC machines；10- connecting lines；11- vibrating sensors；12- damage locations；The second sonic datas of 13- acquire
Device.
Specific embodiment
The present invention is further described in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-5, a kind of high pile pier structure overall security appraisal procedure based on energy method, including following step
Suddenly：
Step 1: establishing high pile pier structure periodically examines damage mechanism and its database；
Step 2: measure operation and the faulted condition of high pile pier structure：
Step 3: the high pile pier structure operation and degree of impairment that are obtained according to step 2, which are established, reflects its practical operation shape
The analysis model for finite element of state；
Step 4: the steady interior energy of increasing and external force of high pile pier structure are obtained according to the analysis model for finite element of step 3
Institute's work, that is, unstability external enwergy in interference displacement, provides quantizating index i.e. safety coefficient feasible value；
Step 5: according to the steady interior energy of increasing and unstability external enwergy of step 4 calculate obtain high pile pier structure it is various operation and
Safety coefficient under environmental load effect, and be compared and analyze with given safety coefficient feasible value, to long piled wharf knot
The general safety performance of structure is evaluated.
In step 1, high pile pier structure periodically examines damage mechanism and its establishment step of database includes：Periodically to high stake
The major defects situations such as the apparent displacement of dock structure, dislocation, crack, corrosion are detected and record and preserve detailed defect spy
Sign forms database.
In step 2, operation and the faulted condition of high pile pier structure are determined by reconnaissance trip, specific steps include：It is logical
It crosses reconnaissance trip and obtains the shift value of high pile pier structure, dislocation value, crack developing depth, crack developing width, crack connection
The mainly qualitative changes such as the major defects such as situation and corrosion depth data and long piled wharf Shoreline changes, the wharf apron depth of water and gradient
Change data and analyzed, obtain operation and its faulted condition of high pile pier structure, long piled wharf faulted condition such as Fig. 1-3 institutes
Show.
Fig. 1-2 is displacement, the rift defect schematic diagram that reconnaissance trip is carried out to high pile pier structure, and crossbeam 1 passes through bottom
Pile cover 2 build on several foundation piles 3, occur several place cracks 4 on crossbeam 1, Fig. 3 is to carry out scene to high pile pier structure
The water front made an on-the-spot survey, bank slope geologic change situation schematic diagram set the first sonic data collector 8 and PC machine 9 and the two on hull 5
It is connected by connecting line 10 and is communicated and passed through the echo sounder 6 that connecting line 10 is connected in water body, reflection sounding
Device 6 is connected with the first sonic data collector 8 is then connected to PC machine 10, passes through the sound in 6 real-time detection water body of echo scanner
Wave information is simultaneously sent to after the first sonic data collector 8 carries out signal acquisition and is resent to PC machine 10 and is handled, according to place
Manage the geologic change information that obtained result learns water front and bank slope.
In step 2, operation and the faulted condition of high pile pier structure, specific steps packet can be also determined by dynamic test
It includes：The 9 and second sonic data collector 13 of PC machine and dispersed placement of the electrical connection of connecting line 10 are arranged through on long piled wharf
Several vibrating sensors 11, vibrating sensor 11 is connected with the second sonic data collector 13 is then connected to PC machine 10, passes through
Vibrating sensor 11 measures the dynamic characteristics data such as intrinsic frequency and the damping ratio of each first order mode of high pile pier structure simultaneously in real time
It is sent to the second sonic data collector 13 and carries out sound collecting and processing, be then passed to PC machine 10 and handled, obtain pair
The dynamic response data answered obtains operation and its faulted condition of high pile pier structure, learns damage location 12, as shown in Figure 4.
In step 3, opened according to the shift value reconnoitred in long piled wharf work arrangement and step 2, dislocation value, crack
Open up depth, crack developing width, the crack connection major defects such as situation and corrosion depth data and long piled wharf Shoreline changes, code
The head main geologics such as the forward position depth of water and gradient delta data, that is, defect situation, establishes the finite element meter for reflecting its practical operation state
Calculate analysis model.
In step 4, high pile pier structure overall security assessment is carried out using energy method, long piled wharf knot is calculated
The safety coefficient of structure, the calculation formula of safety coefficient are：
Wherein, KMFor safety coefficient, Δ W1The steady interior energy of increasing for high pile pier structure, Δ W2Mistake for high pile pier structure
Steady external enwergy.
ΔW1With Δ W2Calculation formula be：
Wherein, finite element model, which carries out numerical computations, can obtain stress and strain field.σ0、Δ e, Δ ε and
Δ σ is respectively original state stress, original condition loads, interference displacement, strain, small deformation strain and stress, by step 3
The analysis model for finite element of middle foundation, which calculates, to be obtained.
In step 5, corresponding safety coefficient feasible value [K is given according to high pile pier structure safe classM], general root
According to the issuable life security for jeopardizing people of structural failure, cause economic loss and influence the tight of society and the consequences such as environment
Weight degree determines high pile pier structure safe class, sees《(JTS167-1-2010) long piled wharf design and construction specification》, will walk
The safety coefficient K for the high pile pier structure being calculated in rapid fourMSafety coefficient feasible value [K corresponding with same gradeM] carry out
Compare, work as safety coefficient KMMore than safety coefficient feasible value [KM] when, judgement high pile pier structure safety works as safety coefficient KMIt is small
In safety coefficient feasible value [KM] when, judgement high pile pier structure is dangerous, as shown in Figure 5.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of high pile pier structure overall security appraisal procedure based on energy method, which is characterized in that include the following steps：
Step 1: establishing high pile pier structure periodically examines damage mechanism and its database；
Step 2: measure operation and the faulted condition of high pile pier structure：
Step 3: the high pile pier structure operation and degree of impairment that are obtained according to step 2 establish and reflect its practical operation state
Analysis model for finite element；
Step 4: it is obtained outside the steady interior energy of increasing and unstability of high pile pier structure according to the analysis model for finite element of step 3
Can, provide safety coefficient feasible value；
Step 5: according to step 4 calculate high pile pier structure it is various operation and environmental load effect under safety coefficient and with
Safety coefficient feasible value is compared and analyzes, and the general safety performance of high pile pier structure is evaluated.
2. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 1, special
Sign is, in step 1, the high pile pier structure periodically examines damage mechanism and its establishment step of database includes：Periodically to height
The obvious shortcoming of stake dock structure is detected and records and preserve detailed defect characteristic, forms database, high pile pier structure
The defects of include displacement, dislocation, crack and corrosion.
3. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 1, special
Sign is, in step 2, operation and the faulted condition of high pile pier structure is determined by reconnaissance trip, specific steps include：It is logical
It crosses reconnaissance trip and obtains the shift value of high pile pier structure, dislocation value, crack developing depth, crack developing width, crack connection
The defects of situation and corrosion depth, and is analyzed data, and information of acoustic wave in water body is detected and through first by echo scanner
The geologic changes numbers such as long piled wharf Shoreline changes, the wharf apron depth of water and the gradient are obtained after sonic data collector and PC machine processing
According to and analyzed, obtain operation and its faulted condition of high pile pier structure.
4. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 1, special
Sign is, in step 2, operation and the faulted condition of high pile pier structure is determined by dynamic test, specific steps include：It is logical
Cross vibrating sensor measure high pile pier structure each first order mode intrinsic frequency and the dynamic characteristics data such as damping ratio and transmit
It is handled to the second sonic data collector and PC machine, obtains corresponding dynamic response data, obtain high pile pier structure
Operation and its faulted condition.
5. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 1, special
Sign is, in step 3, the analysis model for finite element is by being made an on-the-spot survey to high pile pier structure according to step 2
After test, modeled to obtain according to the actual defects of high pile pier structure.
6. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 1, special
Sign is, in step 4, the steady interior energy Δ W of increasing of high pile pier structure is calculated according to analysis model for finite element1Outside unstability
It can Δ W2, increase steady interior energy Δ W1Calculation formula be：
Unstability external enwergy Δ W2Calculation formula be：
Wherein, σ0、δue, Δ e, Δ ε and Δ σ be respectively original state stress, original condition loads, interference displacement, strain,
Small deformation strain and stress is calculated by the analysis model for finite element established in step 3 and measured.
7. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 6, special
Sign is, high pile pier structure overall security assessment is carried out using energy method, and the safety system of high pile pier structure is calculated
Number, the calculation formula of safety coefficient are：
Wherein, KMFor safety coefficient, Δ W1The steady interior energy of increasing for high pile pier structure, Δ W2Outside for the unstability of high pile pier structure
Energy.
8. a kind of high pile pier structure overall security appraisal procedure based on energy method according to claim 7, special
Sign is, corresponding safety coefficient feasible value [K is given according to high pile pier structure gradeM], the long piled wharf that will be calculated
The safety coefficient K of structureMSafety coefficient feasible value [K corresponding with same gradeM] be compared, work as safety coefficient KMMore than peace
Overall coefficient feasible value [KM] when, judgement high pile pier structure safety works as safety coefficient KMLess than safety coefficient feasible value [KM] when,
Judge that high pile pier structure is dangerous.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056852A (en) * | 2018-07-18 | 2018-12-21 | 中国电建集团中南勘测设计研究院有限公司 | Flexible pile composite foundation settlement calculation method based on energy method |
| CN117592253A (en) * | 2023-11-01 | 2024-02-23 | 上海交通大学 | Method for judging damage of high pile wharf of steel pipe pile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033614A (en) * | 2006-03-10 | 2007-09-12 | 天津港湾工程研究所 | Underwater vacuum prepressing reinforcement soft base technique method |
| JP2011037542A (en) * | 2009-08-07 | 2011-02-24 | Mitsui Eng & Shipbuild Co Ltd | Method of loading refer container, and loading control system thereof |
| CN104239671A (en) * | 2014-04-23 | 2014-12-24 | 上海海事大学 | Shore bridge aseismic designing method |
| CN105064420A (en) * | 2015-08-06 | 2015-11-18 | 交通运输部天津水运工程科学研究所 | High-pile wharf foundation pile damage diagnosis method based on structural residual modal force |
| CN105975722A (en) * | 2016-05-26 | 2016-09-28 | 河海大学 | Unloading effect evaluation method for pile bearing platform in separation unloading type sheet pile wharf |
-
2018
- 2018-01-12 CN CN201810029651.1A patent/CN108256204A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033614A (en) * | 2006-03-10 | 2007-09-12 | 天津港湾工程研究所 | Underwater vacuum prepressing reinforcement soft base technique method |
| JP2011037542A (en) * | 2009-08-07 | 2011-02-24 | Mitsui Eng & Shipbuild Co Ltd | Method of loading refer container, and loading control system thereof |
| CN104239671A (en) * | 2014-04-23 | 2014-12-24 | 上海海事大学 | Shore bridge aseismic designing method |
| CN105064420A (en) * | 2015-08-06 | 2015-11-18 | 交通运输部天津水运工程科学研究所 | High-pile wharf foundation pile damage diagnosis method based on structural residual modal force |
| CN105975722A (en) * | 2016-05-26 | 2016-09-28 | 河海大学 | Unloading effect evaluation method for pile bearing platform in separation unloading type sheet pile wharf |
Non-Patent Citations (5)
| Title |
|---|
| CHEN JIA 等: "Influence of wave direction on uplift force of sloping high piled wharf", 《JOURNAL OF COASTAL RESEARCH》 * |
| JINGBO SU 等: "Safety Assessment of Buried Pipeline during Pile Driving Vibration in Offshore Engineering", 《MARINE GEORESOURCES & GEOTECHNOLOGY》 * |
| 杨东香 等: "高桩码头安全性评估", 《中国水运(下半月)》 * |
| 罗海程: "长期荷载作用下岸坡变形对高桩码头桩基安全性影响研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 胡强 等: "基坑安全稳定评判的干扰能量法", 《水利水电科技进展》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056852A (en) * | 2018-07-18 | 2018-12-21 | 中国电建集团中南勘测设计研究院有限公司 | Flexible pile composite foundation settlement calculation method based on energy method |
| CN117592253A (en) * | 2023-11-01 | 2024-02-23 | 上海交通大学 | Method for judging damage of high pile wharf of steel pipe pile |
| CN117592253B (en) * | 2023-11-01 | 2024-05-10 | 上海交通大学 | Method for judging damage of high pile wharf of steel pipe pile |
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Application publication date: 20180706 |