破斷應力 的英文怎麼說

中文拼音 [pòduànyīnglì]
破斷應力 英文
fracture stress
  • 破 : Ⅰ動詞1 （完整的東西受到損傷） be broken; be damaged 2 （使損壞） break; break down; damage 3 （使...
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  1. Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases

    通過對碳纖維束的沖擊拉伸試驗表明，雖然碳纖維束的力學性能與應變率基本上是不相關的，即隨著應變率的增大，碳纖維束的初始模量、破壞應力及其失效應變都變化不大，但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。
  2. The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement

    其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖，變形帶兩側發育兩組典型的共軛剪節理；第二次在晚白堊世?始新世，斷裂在北東?南西向近水平擠壓作用下右行張扭性活動，斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶，而斷裂在巖體區也發育兩組典型的共軛剪節理，斷裂內形成初碎裂巖為主的構造巖；第三次是喜山期以西側抬升、東側下降的強烈升降為主的活動，在基巖中，主斷層兩側圍巖出現微破裂。
  3. ( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel

    通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法，對鷓鴣山隧道潛在的主要地質災害（塌方、涌水、巖爆和大變形）進行了預測預報（ 3 ）在現場地應力測試成果的基礎上，運用數值計算進行應力場反演，基本查明了沿隧道軸線剖面的地應力分佈規律：地應力量級在最大埋深附近達到最大值24mpa ，並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 （ 4 ）塌方往往與斷層破碎帶及千枚巖相聯系。
  4. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料斷裂韌性的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果，提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ，或者使用復應力強度因子k _ c 。
  5. Field investigations found that epigenetic reworking deformation fracture include 3 types, named normal relief fracture, fracture filled mud and epigenetic reworking of disturbed belts. and epigenetic reworking of rock mass structural also includes gradual deformation of the blocks that are made up of different attitudes structural planes besides normal relief. through field geological investigations, the features of rock mass structural planes are generalized, especially development laws of interlayer shearing belts, instrastratal shearing belts, faults and base crack

    在已有研究成果基礎上，總結了壩區玄武巖的巖相特徵和構造應力場對巖體結構的影響；通過現場調查，總結了3種類型淺表生變形破裂，即正常卸荷型破裂、鬆弛夾泥型破裂和緩傾角錯動帶表生改造；通過野外地質調查，總結了層間錯動帶、層內錯動帶、斷層和基體裂隙的發育規律。
  6. In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete

    論文第二章為凍土斷裂力學的基本理論，包括斷裂力學在凍土研究中的工程適用性、條件適用性、平面應變斷裂韌度測試的適用條件等，給出了凍土斷裂韌度k _ （ c ） 、 k _ （ c ） 、 -型復合斷裂測試的基本原理及試驗方法，並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ （ c ）尺寸效應系數，為後面的工作提供理論基礎。
  7. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題，本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀；其次對整個吊車梁系統的外觀情況（包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等）進行了現場調查，抽樣實測了梁的應力、化學成分、變形及軌道偏移等，根據實測結果，對吊車梁系統的承載能力進行了驗算；然後，根據現場調查及計算結果，探討了焊接鋼吊車樑上部區域疲勞破壞的機理，分析了重級工作制鋼吊車梁出現疲勞裂縫的原因，制定了初軋廠精整車間破損鋼吊車梁的加固方案；最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  8. Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads

    關于預制裂紋系對巖石破裂的影響，集中討論了：空障礙體構造不能阻止主裂紋的擴展，反而會使巖石的破裂強度降低近一個量級；由於構造的不同，非穿透切口樣品和穿透切口樣品的聲發射空間分佈特點有本質區別，穿透切口樣品的微破裂在切口兩端發育，而非穿透切口樣品的微破裂在切口兩端之間切口前緣處發育，這用三維破裂理論可以很好地解釋；含共線構造的巖石，裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似，裂紋內端聲發射有密集分佈，在應力達到一定水平時，內端部發生錯斷，而不是貫通。
  9. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫（裂縫）開裂，研究發現，瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命，此時不應採用傳統的疲勞力學進行研究和結構層設計，而應採用疲勞破壞力學（疲勞斷裂力學和疲勞損傷力學）理論與方法。
  10. This paper is on the basis of analysedding and summarized that these projects were blown up and tested materials in the past, use fracture mechanics, the dynamics blast theory and finite element analytical method, have carried on the system, detailed analysis and describes to this kind of method of blasting, proving theoretically that can cut the base rock effectively in this kind of method of blasting, reduce base blowing up stress value inside the rock, play and protect underpart base rock blow up into the function influenced in vibration, and blew up mechanism and analysed the main influence factor blown up according to it, had put forward the rational optimization measure to the relevant parameter when implementedding and blown up

    本文在分析總結以往這些工程爆破試驗資料的基礎上，運用斷裂力學、爆破動力學理論及有限元分析方法，對這種爆破方法進行了系統、詳細的分析及論述，從理論上證明此種爆破方法可以有效地切割基巖面，降低基巖內部的爆破應力值，起到保護下部基巖不受爆破振動影響的作用，並根據其爆破機理分析了爆破的主要影響因素，對實施爆破時的相關參數提出了合理的優化措施。
  11. Considered local damage due to steels corrosion, fatigue, prestressing loses, whole bridge incline and distortion, this paper studies damage diagnosis technique of the cable - stayed bridge and determines the location and size of damages for yonghe cable - stayed bridge, which has been used after 15 years

    針對鋼筋腐蝕、疲勞、預應力鬆弛、橋梁整體傾斜或變形所引起的斜拉橋局部破損，本文以使用15年後的永和斜拉橋為研究對象，對大型斜拉橋破損診斷技術進行研究，對永和斜拉橋破損位置進行定位、對其破損程度進行評價。
  12. According to the geological conditions of baise project, erosive bands and joint fissures, f6 fault and grout curtain are fully simulated to establish 3d numerical model of the dam and its foundation. 3d non - linear fem is used to analyze the stress and strain and to appraise the operation state of both the dam and it ' s foundation under different operation conditions. by overloading the upstream water level and reducing rock strength parameter, the dam foundation ' s degradation process is simulated and the damage pattern and paths are determined, and finally the safety factor is determined

    2 、根據百色的地形地質條件，充分模擬了蝕變帶、節理裂隙、 f6斷層、灌漿帷幕等，較為真實地建立了壩體與地基相互作用的整體三維數值模型；採用有限元法對壩體及壩基在不同工況下的應力應變狀態開展分析，評價各工況下壩基的運行狀態；而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑，最終確定壩基超載安全系數和綜合安全系數。
  13. After the two theories models were established using the ansys parametric design language, a finite element method analysis was completed on the application of the ansys software. the stress and the strain of the two kinds of round link connector were acquired. so a good predict of the break of them was made

    運用apdl進行參數化設計，建立了兩種接鏈環的理論模型，利用大型通用有限元分析軟體ansys ，對其進行了分析，得到了不同試驗載荷下接鏈環的應力分佈，並推斷出它們的典型破壞形式。
  14. This paper analyzes the local stress of the elastic base seat of the sensor on ladle vehicle electronic scale, and finds out the reasons for the fracture failure of the elastic base seat

    摘要利用有限元方法對鐵水車電子秤的傳感器彈性座體進行了局部應力分析計算，找出了彈性座體斷裂破壞的原因。
  15. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上，本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序，並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土體的挖掘的方式和順序，指出憑主觀臆斷與經驗來施工是不可取的；在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同，提出了節點處理技術；分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異，並探討了解決的方法；本文還提出了環境振動對土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。
  16. Abstract : a preliminary investigation was made on hearth damage of a number of furnaces in china, and the analysis and discussion are presented for reasons of hearth damage in this paper. the main reasons of ring crack of the hearth are : 1. improper physical and chemical properties of baked carbon bricks. 2. the thermal stress existing in carbon bricks, alumina bricks and the furnace shell. the formation of the ring crack aggravates the abnormal erosion of the hearth

    文摘:結合鞍鋼2號和7號等高爐和2號高爐的調查結果，對國內部分高爐爐缸破損情況進行初步調查，對爐缸破損原因做了初步分析和討論，認為造成我國高爐爐缸環形斷裂的主要原因是由於碳磚自身物化性能差以及爐缸碳磚和高爐爐殼之間的熱應力；環裂的出現加劇了爐缸的異常侵蝕。
  17. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  18. Experimental study on fatigue failure of intermittent jointed rock masses subjected to repeated stress wave

    應力波反復作用下斷續節理巖體疲勞破壞試驗研究
  19. Abstract : the change in strength, plasticity and relaxation rate of pc steel strand before and after stabilizing has been analyzed by means of fracture and stress relaxation tests. the effect of treatment parameters and tensile stress on the properties was obtained and optimum parameters of stabilizing treatment were also proposed

    文摘:通過對預應力（ pc ）鋼絞線穩定化處理及隨后的破斷、應力鬆弛試驗，分析了處理前後強度、塑性、鬆弛率指標的變化趨勢，得出了工藝溫度、張應力對性能指標的影響規律，進而提出了穩定化處理的最佳工藝參數。
  20. The mohr - coulomb model is based on plotting mohr ' s circle for states of stress at failure in the plane of the maximum and minimum principal stresses

    莫爾庫侖模式基於莫爾圓來判斷最大和最小主應力平面上的破壞應力狀態。
分享友人
分享到 Line

分享到臉書