結構安全因數 的英文怎麼說
中文拼音 [jiēgòuānquányīnshǔ]
結構安全因數
英文
structure factor of safety- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 全 : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
- 因 : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
- 數 : 數副詞(屢次) frequently; repeatedly
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
-
In this thesis, the methods of comparison research, the combination of quantitative analysis and qualitative analysis, the combination of positive philosophy and standardized research, the theories of economics and management are used to make systematic and comprehensive analysis. at the same time, using the data that reflects the present situation of the safety and safety management in construction industry, the author analyses the problems existing in the present safety management mode, and then points out the key factor in the new systems of safety management is the agency
在文章中,作者採用了比較研究、定性分析和定量分析相結合、實證研究和規范研究相結合的方法,綜合運用國內外專家學者的研究成果,以大量的事實和數據為依據,分析了我國建築業安全生產管理的現狀和存在的問題,進而提出在中國建築行業建立安全生產體系的具體模式和該模式運行機制的關鍵因素? ?即中介機構在安全生產管理體系中所處的地位和重要因素。The main factors which affected the flight stability quality included : forward flight speed, slung - load and helicopter mass ration, slung - load aerodynamic forces and cable length, etc. through adjusting the above structure and performance parameters, rational flight parameters can be decided, which can ensure the safe helicopter mission operations of the slung - load flight
影響飛行品質穩定性要求的主要因素為:直升機飛行速度、吊掛物/直升機質量比、吊掛物氣動特性、吊掛鋼索長度等。通過對上述結構參數、性能參數的調節,可確定合理、經濟的飛行參數,保證安全、高效的完成直升機機外吊掛飛行運輸任務。The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method
本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。This thesis adopts vfp database manage system ( dbms ), oo ( object oriented ) programming and sas statistic analysis software. starting with the impacting factors on cocoon - cooking technique of filature production, the system analyzes diversified data information, along with the relativity of various parameters used in technical designing. based on those, we scheme out the structure composing and system flow chart of cocoon - cooking problem - consulting, also develop maintainable and practical technological designing subsystem with friendly interface, simple operation and fine security
本課題採用vfp數據庫管理系統開發技術和面向對象的編程技術及sasrelease6 . 12統計分析軟體,採用關系數據模型,從繅絲生產中煮繭工藝過程的相關影響因素入手,充分分析影響煮繭的各種數據信息,以及在工藝設計中用到的各類參數的相關性,在此基礎上設計出煮繭問題咨詢子系統的結構組成和系統流程圖,進而研製具有良好界面,操作簡便,安全性好,實用且可維護的工藝設計子系統,以建立一個完善的煮繭工藝設計專家系統( cctdes ) 。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures
該基礎工程不論在開挖深度還是規模上都很具有代表性。作者在現場調研的基礎上,探討了基坑支護結構設計優化問題。主要研究內容可以歸納為:應用基於m法的彈性地基梁桿系有限元方法;在圍護結構整體穩定性安全系數與可靠性破壞概率兩種控制因素下,編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序;進行了地層抗力比例系數反算、地下連續墻嵌巖深度優化與地下連續墻結構體系整體設計優化。The performance of the system designed will directly affect the overloading that an aircraft can bear, the safe overrunning length of runway as well as the changes of tensile force of belt and braking pressure of oil, and ultimately has influence on the arresting effects. so in the process of developing a system, we should study the system in order to define the optimal configuration parameters or more effective control methods
攔阻系統設計的優劣會直接影響到飛機承受的過載、安全攔停距離及帶拉力、剎車壓力的變化狀況,最終影響攔阻效果,因此在研製系統過程中,要對系統進行分析研究,以確定最佳的結構參數和更有效的控制方法。According to management function, the system is divided into six coral functional modules that are isolated but related in some way. those are personal management, salary management, welfare management, technical title management, merit & benefit management and training management. according to operating function of the system, there are three assisting functional modules that are system maintenance, database & table management and assisting office
本系統本著適用性、開放性、兼容性、集成性和安全性的設計原則,為使系統層次清楚、結構簡明,採用了結構化系統設計的方法,按照管理職能將系統分為人事管理、薪資管理、福利管理、職稱管理、績效管理、培訓管理等六個相對獨立又互為因果的核心功能模塊;按照系統操作功能又分為系統維護、數據和表格管理、輔助辦公等三個輔助功能模塊。In the paper, the following main factors are studied, such as developing the expert knowledge - base based on the special knowledge of the explosive demolition of frame building, designing the object - oriented expert system of the explosive demolition of frame building, developing the neural network training example base based on projects, developing the forecasting mode of blast effects with matlab 6. 1, developing the expert system of explosive demolition of frame building with visual b 6. 0, carrying out the connection of the expert system and forecast mode. the system consisted of eleven functional modules, such as the input of initial parameters module, the choice of the blasting method module, the choice of blast mode module, the design of blasting parameters module, the design of charge module, the verifying blasting safety module, the calculating safety of tumble module, the design of detonating net module, the blast effects forecasting module and the calculating volume module
本文的研究內容有:以框架結構樓房拆除爆破領域的專業知識為基礎製作專家系統知識庫;設計一般面向對象的框架結構樓房爆破拆除設計的專家系統;搜集相關爆破工程實例製作用於爆堆效果預測神經網路訓練的樣本數據庫;選取適當的輸入輸出因素,用matlav6 . 1構建爆破效果預測神經網路模型;用vb6 . 0編程開發出框架結構樓房拆除爆破專家系統,並實現爆破效果預測神經網路模型和專家系統的鏈接。該系統由初始參數輸入、倒塌方法選取、倒塌方案確定、孔網參數設計、缺口形狀及參數、爆破安全校核、傾倒安全校核、爆破網路、爆破效果預測、工程量計算、計算設計說明書等十一大功能模塊組成。This method which both considered influence of uncertainty factors among structure parameters and satisfied prescribed main cable reliability level was used to get inverse main cable safety factors through target reliability indexes, main cable safety factors of suspension bridges with main span ranging from 2000 m to 5000 m were estimated using the proposed method
該方法通過給定結構的目標可靠度指標反求主纜安全系數,計算出的主纜安全系數既考慮了結構參數中不確定因素的影響,又滿足了預先給定的主纜可靠度水平。Consider : nature, scope and scale of operations and activities key programme areas, budget ceiling, staff numbers, offices facilities projects sites equipment ; boundary of influence policy areas, interaction with other parties including suppliers and contractors, target audiences, service receivers, business partners, local communities ; mainland communities ; overseas communities ; roles and responsibilities ; structure ; relevant policies quality, environmental, social, health and safety policies ; etc
考慮因素:營運與活動的性質范圍及規模主要工作綱領預算限額員工數目辦公室設施計劃地盤設施權責界限政策范圍與其他方包括供應商承辦商目標讀者服務享用者商業伴本地社群中國內地社群海外社群的相互關系角色及責任結構相關政策質素環境社會健康及安全政策等Nature, scope and scale of operations and activities key programme areas, budget ceiling, staff numbers, offices facilities projects sites equipment ; boundary of influence policy areas, interaction with other parties including suppliers and contractors, target audiences, service receivers, business partners, local communities ; mainland communities ; overseas communities ; roles and responsibilities ; structure ; relevant policies quality, environmental, social, health and safety policies ; etc
考慮因素:營運與活動的性質范圍及規模主要工作綱領預算限額員工數目辦公室設施計劃地盤設施權責界限政策范圍與其他方包括供應商承辦商目標讀者服務享用者商業伴本地社群中國內地社群海外社群的相互關系角色及責任結構相關政策質素環境社會健康及安全政策等Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely
試驗結果分析表明:由於多孔磚自身的孔洞結構,砌體內部的圍箍作用和力的擴散作用未得到充分發揮,局壓強度雖較軸心受壓強度有所提高,但仍低於同情況下實心磚的局壓強度;當有上部荷載作用時,對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯,因此在推導梁端局壓強度計算公式時,未考慮此可能存在的有利影響,計算偏安全;局壓強度提高系數公式除採用規范公式(二項式)的表達式,還用對數式進行了回歸推導,得到了一個較為普遍的公式;論文還對梁端局壓的梁端有效支承長度計算公式進行了回歸推導。In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.
在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承載能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。With rapid development of information science, xml is more and more widely used in every field of the world. and xml database is brought to manage this semi - structural files. according to the definition of xml : db, there are three kinds of xml databases, which are native xml database, xml enabled database and mixed xml database. because the application environment of the xml database is so complicated as legacy rdbms, it faces serious security problems. this paper is mainly on native xml database and its access control
隨著信息技術的迅速發展, xml正在各個領域被越來越廣泛的應用,為了有效的管理這種半結構化的數據, xml數據庫的概念被提出。根據xml : db的定義, xml數據庫可以分為xml本源數據庫、支持xml的數據庫、 xml混合數據庫。由於xml數據庫和傳統的關系型數據一樣被廣泛的應用在復雜的網路環境中,因此它面臨著同樣嚴重的安全問題。The product adopts " double lock device " structure, the first of its king patented key technology of the factory. it has a stable lock, high safety margin and reliability, it effectively solves the problem of striking the other objects due to the excessive range of swing and falling in inclined work condition
本品採用獨創的「雙鎖止裝置」結構本廠專利核心技術,鎖止穩定,安全系數高,可靠性好,並有效地解決因傾斜作業下墜搖擺幅度過大而撞擊其他物體而導致的事故。The product adopts " double lock device " structure, the first of its king ( patented key technology of the factory ). it has a stable lock, high safety margin and reliability, it effectively solves the problem of striking the other objects due to the excessive range of swing and falling in inclined work condition
本品採用獨創的「雙鎖止裝置」結構(本廠專利核心技術) ,鎖止穩定,安全系數高,可靠性好,並有效地解決因傾斜作業下墜搖擺幅度過大而撞擊其他物體而導致的事故。This paper uses system study theory and fuzzy mathematics method to analyze all man - machine - environment factors of rock - loading and transportation process to the influence of construction safety, confirms the hierarchy structure of the transportation system and weight of the safety assessment indes, offers the reliable basis for safety assessment of the tunnel constructrion
本文運用系統學理論和模糊數學方法分析了隧道施工裝巖運輸過程中人機環境諸因素對施工安全的影響,確定了運輸系統層次結構及安全評價指針的權重,為隧道施工安全評價提供了可靠依據。The causation of main defects is analyzed from the view of design and improvements are suggested from the structural design, such as the test and determination of basic data of pavement design, rational selection of raw materials, adopting appropriate aggregate sizes, improving blend design method, rational selecting the thickness of asphalt layer and reinforcing the binding between the asphalt pavement layer and the base layer to further improve the operational function of the asphalt pavement and reduce the occurrence of traffic accidents
通過對高速公路瀝青路面的主要病害成因從設計角度進行分析,提出應從完善路面設計基礎數據的測試與確定方法、合理選擇原材料、採用合適的礦料級配、完善配合比設計方法、合理選擇瀝青面層厚度、加強瀝青面層層間及與基層的粘結等途徑完善瀝青路面結構設計,以進一步提高瀝青路面的使用功能,減少道路交通安全事故的發生。In recent years, the safety factor method has been used for the design of cfrp wound pressure vessels, which cannot explain the stochasticity and quantify scientifically the uncertain significant factors, has the disadvantages of low ecomony and so on. under these circumstances, the study on reliability of cfrp wound pressure vessels during the winding technology process and inner pressure loading was accomplished in this paper
本研究針對目前cfrp纏繞壓力容器採用安全系數法設計不能解決隨機性問題,對結構功能的重要影響因素沒有科學量化,經濟性低等弊端,進行了cfrp纏繞壓力容器在纏繞工藝過程中和內壓作用下的可靠性研究。分享友人