縫的量測 的英文怎麼說
中文拼音 [féngdeliángcè]
縫的量測
英文
joint measurement-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。Comparing with former prediction methods, there are two progresses in it. first, the concept of fracture richness index is advanced and thus extend of fracture ' s richness can be numerable
與以前的預測方法相比,本次論文在以下兩個方面有了改進:第一,提出了裂縫發育指標的概念,從而能夠對裂縫發育程度進行量化。Since there is few core data and logging data in this area, the lian - 150 well is selected as the standard well that has imaging logging data which is combined with few core data to establish the fracture identified mode with bp neural network and gray system theory. it makes the satisfied effect of the muti - well interpretation and solves the problem of the absence of the exceptional well data and the difficulty of fracture identification
本論文在該地區巖心資料少,測井資料不全的情況下,選取有成象測井資料的聯150井作為標準井,運用成象測井資料結合少量的巖心資料建立起該地區bp神經網路和灰色系統理論裂縫的識別與評價模型,用於該地區的多井解釋取得了滿意的效果,解決了該地區特殊測井資料缺乏、裂縫測井識別較難的現狀。The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible
本文應用測井參數的bp神經網路裂縫綜合識別方法、三維地震裂縫檢測技術,預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律;並用有限元法數值模擬技術展示出不同主力油層的平面古應力狀態,為研究裂縫的平面分佈規律提供了理論依據;在此基礎上,依據巖石破裂準則進行了構造裂縫定量預測。For avoiding harmful cracks in concrete structures during construction, this paper analyzes the possible causes of concrete cracks in yangshan port project, proposes control measures for concrete cracks, and describes the inspection and repairing of concrete cracks, so as to ensure the concrete construction quality of yangshan deepwater port engineering, serving as a reference for field concrete construction
摘要為盡可能避免混凝土構造物在施工階段發生有害裂縫,對洋山港區工程混凝土裂縫的可能成因進行分析,提出控制混凝土裂縫的措施,並介紹混凝土裂縫的檢測和修補工作,以確保洋山港區建設工程的混凝土質量,可供現場施工參考。At first, development of various cracks carefully recorded and strains on both the rebars and the stirrups were measured in detail, together with the deflections of the beam. in such a way, correlation between the measured strain profiles of the reinforcement and the observed cracking development of each specimen was pursued. principal factors contributing to the cracking pattern and failure mode were figured out as a result
首先,通過單調靜力加載試驗研究,對梁的裂縫延伸和開展、縱筋應變、箍筋應變、梁的撓度等指標進行了細致的量測,試圖追蹤每一試件在裂縫發展及破壞過程中縱筋應變狀態的變化和裂縫發展程度的相關性,進而總結出有腹筋約束梁裂縫開展及鋼筋應力分佈的一般規律。Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members
揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形,並對其進行了分形描述;提出以裂縫分形維數作為受腐蝕程度的有效衡量指標,首次實現了構件受腐蝕程度的定量描述;建立了裂縫分形維數與鋼筋銹蝕率、混凝土劣化系數、構件承載力之間的定量關系,並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了極限承載力的預測,取得了較好的預測效果。Abstract : in view of the quantity examination of weld defect by ultrasonic, on the basis of theoretical analysis and test, the cause, composition and contriling method of error of crack defect size h have been analyzed systematically, a controlling and statistical method of ultrasolic examination error has been put forward. this method is simple and suitable, and has been verified by test
文摘:針對焊縫缺陷超聲波定量檢測,從理論分析與實驗出發,系統分析了裂紋類缺陷自身高度尺寸h的檢測誤差的物理成因、組成及誤差控制方法,提出了一套實用簡潔並經實驗證實可行的超聲波檢測誤差控制及統計方法。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。Combining the result with logging, exploiting information, using multiple mathematics methods such as cluster analysis, neural network, step - by - step linear regress, the paper found the relationship among seismic, logging, and exploiting information in well - control zone. moreover, we calculate fracture richness index. as a result, we can distinguish rich fracture zone from carbonate formation by fracture richness index in non - well - control zone
結合測井、開發等資料,在有井點利用聚類分析、逐步回歸、神經網路等數學手段,建立了多種地震檢測結果與測井、開發等數據之間的定性、定量關系,計算出了研究區的裂縫發育指標,從而實現對無井區的縫洞預測。For the first time, the special integrated applications of multi - disciplines and new technologies are used to study the structure fracture of jurassic sandstone of baigezhuang region in the dissertation. on the basis of abundant fine descriptions of core, the imaging and dip data, the identification informations of fracture with conventional logs, the parameters of seismic attribute, the detected data of fracture with correlative analyses of 3d and the prediction data of the finite element numerical simulation of fracture are inter - testified to qualitatively and quantitatively determine the structure fracture of this area
本文首次在柏各莊地區採用具有特色的多學科新技術綜合應用分析的方法,在大量巖芯裂縫精細描述基礎上,結合成像測井和地層傾角測井新技術,以及利用常規測井技術提供的裂縫識別資料,地震屬性參數、三維數據相干分析檢測裂縫的資料和有限元數值模擬裂縫預測的資料,相互佐證,對柏各莊地區侏羅系砂巖構造裂縫進行了定性、定量研究。3 according to analysis on the reason for failure of joints, improved measures for new joints are presented, the following phases are included, improved butt welding design, improved technology and welding sequence for butt welding seam, intensive strength checking for butt welding seam, intensive quality inspection for butt welding seam
(三)通過對節點破壞成因的分析,提出了新型節點的改進措施,包括四個方面:改進對接焊縫的設計、改進對接焊縫的焊接工藝和焊接順序、加強對接焊縫的強度校核、加強對接焊縫的質量檢測。The productions include : 1. the investigation of crackss of masonry structures, the characteristic and the reason on cracks of wall ; 2. the limited element analysis about datum of brick - wall the relation between the maximal stress in wall and the relative sedimentation of foundations, the relation between the cracks form in wall and inner stress, the validity of limited element mode ; 3. the limited element analysis about the relative sedimentation of foundations, the influence of ratio of length and height, foundations rigidity, groundsill rigidity on the inner stress in wall ; 4. the limited element analysis about the influence of temperature on wall cracks and the influence of space between extension cracks, difference in temperature on the inner stress in wall ; 5. the analysis about the cracks rule because of temperature, the contrast between the result and the simulant result ; 6. the study about the influence of cracks of masonry structures because of constriction stress, the experience of dealing with constriction cracks in the domestic and the foreign ; 7. the advice of avoiding cracks because of the asymmetric sedimentation temperature, constringency in design and construction
本研究結合實際工程中的砌塊建築普遍存在的裂縫問題,參照磚墻裂縫調查研究的成果,針對我省的砌塊應用狀況,進行了充分的調研,並查閱大量的文獻資料,總結了砌塊建築墻體裂縫的特點和規律,通過對溫度裂縫、沉降裂縫的有限元分析和經驗公式的對比,深入的探討了墻體開裂的影響因素,結合各地實際工程經驗,在對混凝土砌塊墻體在材料、設計、施工等方面進行系統的理論分析、綜合研究的基礎上,給出開裂的防治方法,促進混凝土砌塊在我省的推廣應用,為相關規范的編制提供理論依據和經驗分析,主要研究成果有: 1砌塊砌體開裂的調查研究,墻體開裂的特點和原因總結; 2有限元分析磚墻實測數據,揭示了墻體內最大主應力和地基相對沉降量的關系及墻體開裂形態與內部應力的聯系,並且驗證了有限元模型的有效性; 3Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements
利用2種不同的方法加筋瀝青罩面:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性,採用玻璃格珊加筋瀝青混凝土.應用斷裂力學方法分析瀝青路面裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗,確定加筋瀝青混凝土的臨界應力強度因子kic ,測量每一種瀝青罩面抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩面系統,分析了多層加筋瀝青罩面裂縫擴展過程,推薦了若干瀝青路面抗裂系統.結果證明,加筋材料可以提高瀝青罩面的抗裂特性,復合型抗裂罩面系統能夠有效地阻止反射裂縫的擴展The strain softening of dam body and foundation is the necessary condition for dam instability. according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack. according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope
( 5 )基於變分原理,研究建立了能量形式的失穩準則,並說明壩體、巖基的材料具有應變軟化的性質,是大壩失穩的必要條件;並利用大壩的裂縫實測資料,建立了相應的灰色尖點突變模型,由此判斷裂縫的穩定性;根據某水電站庫區滑坡體的變形實測資料,反演其非線性動力學模型,進而計算lyapunov指數譜、 lyapunov信息維來判定邊坡的穩定性及穩定程度。Discussion on the application of the principle of single - joint diffraction in measuring young modulus of elasticity of metal filament
單縫衍射測定金屬絲楊氏彈性模量的理論研究2. to study quantificationally properties characteristic of reservoir fracture of cretaceous lower and how is the response characteristic of dual laterolog swayed by reservoir fracture in l area of qx oil field
定量研究qx油田l區塊下白堊統儲層裂縫的產狀特徵,以及裂縫產狀對雙側向測井響應的影響規律。Deformations, curvatures, strains of the beams and the stress increments of unbonded prestressed tendons were measured and the crack distribution and failure models were observed. the bearing capability and ductility of unbonded partially prestressed concrete beams were deeply analyzed
在試驗中,量測了梁的變形、曲率、應變、無粘結筋的應力增量等關鍵數據,觀察了梁的裂縫分佈、破壞形態,並對無粘結部分預應力混凝土梁的承載能力、延性等基本力學性能進行了較為深入的分析。Crack width. load - displacement. ultimate load and failure mode were measured and observed
試驗中,對加固梁的撓度、裂縫寬度、極限荷載進行了量測。The macrostructure gives a space restriction to remote controlling welding robot and gives a virtual guide to structured laser sensor. the scanning and constructing of welding seam will finally determine the quality and reliability of tele - robot welding
宏觀環境模型是遙控焊接機器人運動控制的一種空間約束,並為結構光傳感器的運動提供向導,小范圍焊縫模型的檢測與精確定義將最終決定遙控焊接的質量和可靠程度。分享友人