裂縫方位測定 的英文怎麼說
中文拼音 [lièféngfāngwèicèdìng]
裂縫方位測定
英文
fracture-orienting- 裂 : 裂動詞[方言] (東西的兩部分向兩旁分開) open
- 縫 : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 裂縫 : 1. (裂開的縫兒) rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
- 方位 : position; bearing; direction; points of the compass; placement
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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Also, in our software, we have made the practical seismic data processing by the prediction of fractured amizuth and the fractured density, then evaluated the exactitude of the predictions by the evaluation of the assessment parauceter, and at last confirm one optimum detection methods of fractured amizuth, the wavelet difference scale filter method, and two the optimmer fractured density detection method, the wavelet amplititude singular exponential method and the wavelet power spectrum singular exponeatial method
並用自編軟體,將三種裂縫方位預測和三種裂縫密度預測用於實際地震資料處理,並用評價參數檢驗評估其正確性,最終在現有的方法中確定了最優裂縫方位檢測方法?小波變尺度濾波法和最優裂縫密度檢測法?小波振幅奇異性指數法和小波功率譜奇異性指數法。Through comparing and analyzing of bearing capacity, development of crack and strain of reinforced, the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data, and choosing the rightful stress - strain relationship, utilizing ansys program, the test process can be well simulated. at the same time, making used of the program, the traditional shear wall is analyzed. it shows that comparing with the traditional shear wall, the hollow shear wall ' s cracking load drop 16 %, yield load and failure load drop 13 %, stiffness drop 13 % ~ 22 %
其次在試驗的基礎上,將試驗手段、有限元數值模擬方法和理論分析結合起來,利用有限元程序ansys對其中的兩片墻板進行非線性有限元分析,並對前後的承載性能,裂縫發展、鋼筋應變進行了比較和分析,結果表明有限元節點模型分析的荷載-位移曲線和試驗測得數據符合良好,選用合理的材料本構模型,利用ansys可以較好的模擬試驗過程;同時利用有限元模型對比分析了普通剪力墻和空心剪力墻,空心剪力墻與普通剪力墻對比,其開裂荷載下降16 ,屈服荷載、極限荷載下降13 ,剛度下降13 22 ,開裂至屈服、屈服至極限荷載階段的剛度衰減規律與普通剪力墻基本一致,空心剪力墻的後期剛度比較穩定。2 ) through many numeral experiment, using the crack face ' s slant angle and azimuth angle as parameters, we found some relations between three - dimension fractal parameters and two - dimension fractal parameters in rock mass : ds = ( 1. 0 + 0. 031 ) * dl + ( 1. 0 + 0. 0395 ), ns = nl, v = 1. 5986 * ( 2 - dl ) - 3. 2935 * sin ( st ) + 3. 8263, and found a way to speculate three - dimension fractal parameters from two - dimension fractal parameters. lt is the foundation to describe the distribution laws of crack face in rock mass by the observing results through rock mass section crack, 3 ) this paper constructed the three - dimensional fractal emulation theoretical system and erected three - dimensional fractal emulation model about crack face in rock mass 4 ) a emulation system about crack face in rock mass is developed by vc + +, it includes the function to get section plane chart and section block chart from three - dimensional network chart automatically, and some of the emulation examples is given
2 )通過大量數值試驗,以巖體裂縫面的傾角與方位角為紐帶,分析得出了巖體裂縫面數量三維分形分佈參數和巖體裂縫跡線二維分形分佈參數的關系: d _ s = ( 1 . 0 0 . 031 ) * d _ l + 1 . 0 0 . 0395 , n _ s = * n _ 1 , = 1 . 5986 * ( 2 - d _ l ) - 3 . 2935 * sin ( st ) + 3 . 8263並提出了由二維分形幾何參數來推導三維分形幾何參數的方法。為通過巖體剖面裂縫直接觀測結果,描述巖體裂縫面分佈規律奠定了基礎。 3 )本文構建了巖體裂縫面的三維模擬理論體系,建立了巖太原理二大學周眨d二研究生學位論文體裂縫面的三維分形模擬模型。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。Therefore the dynamical characteristic is acted as detected parameter for fractured detection ( primary amplitude secondary frequence ). and the amplitude of mean sguare and central frequence are acted as evaluational parameter, based on the those studies, the new ideas is put forward that fractured azimuth is dected by lateral difference and fractured density is dected by vertical difference for three facters of fracture, wavelet acted as analysis tool and direction by wave field characteristic applied the multiple scale edge dectection and self - adaptive edge detection into the detection theory of seismic fractured azimuth, also put forward the wavelet different scale filter method of the fractured azimuth detection
因而,確定了主要以振幅,其次是頻率的地震波動力學特徵作為裂縫檢測的被檢參數和均方振幅和中心頻率作為檢驗檢測結果正確與否的評價參數。在上述研究基礎上,針對裂縫的三要素,提出通過橫向求異檢測裂縫方位和縱向求異檢測裂縫密度的新思想。並以小波作為分析工具,以潛山波場特徵作指導,將數字圖像處理中的多尺度邊緣檢測和自適性邊緣檢測引用到地震裂縫方位檢測中來,並提出了小波變尺度濾波法新的裂縫方位檢測法。By comparing the fracture toughness ( kic ), the fracture energy ( gf ) and the crack tip opening displacement ( ctod ) of the same strength grade concrete, it is found that the values of the fracture toughness ( kic ), the fracture energy ( gf ) and the crack tip opening displacement ( ctod ), tested by three - point - bending method and wedge - split tensile method approach, so it is proved that the fracture toughness ( kic ), the fracture energy ( gf ) and the crack tip opening displacement ( ctod ) are related to its own properties such as material, specimen size, and crack size, but unrelated to the test - method
通過比較三點彎曲法和楔入劈拉法測定的相同強度等級混凝土的斷裂韌度k _ ( ic ) 、斷裂能g _ f以及裂縫的尖端開口位移ctod ,發現兩種試驗方法測定的斷裂韌度k _ ( ic )斷裂能g _ f以及裂縫的尖端開口位移ctod的數值接近,從而證明混凝土斷裂韌度、斷裂能、 ctod的值僅與材料、試件尺寸、裂縫尺寸等試件自身的性質有關,而與試驗方法無關。In the practice application, the project ? the large dam secure supervising and measuring system of taipu brake, which the penman participated himself, is introduced in detail, which includes the system synopsis, the definition of the pressure, the crack, the horizontal displacement and the vertical displacement, the compare of diversified measuring methods, the choice of the instruments and the configuration of the instruments, the system network topology configuration, the collocation of various metrical dots and instruments " demarcating and testing, the system software and the application software, the communications between the intelligent instruments and the primary interfaces of actual system
在實踐應用方面,詳細介紹了筆者親自參與實施的工程? ?太浦閘大壩安全監測系統,包括系統簡介,揚壓力、裂縫、水平位移和垂直位移的定義,各種測量方法的比較,儀器的選型以及儀器的結構,系統的網路拓撲結構,各測點的布置以及儀器的標定測試,系統軟體和應用軟體,智能儀器與上位機的通信,實際系統的主要界面。為了論文的完整性,介紹了大壩安全監測專家系統。分享友人