滑移面法線 的英文怎麼說

中文拼音 [miànxiàn]
滑移面法線 英文
normal of slip plane
  • : Ⅰ形容詞1 (光滑; 滑溜) slippery; smooth 2 (油滑; 狡詐) cunning; crafty; slippery Ⅱ動詞(貼著物...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側剛度、柱架恢復力特性及滯回曲、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側剛度,斗?恢復力特性及滯回曲,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  2. 6. the sectional cross - sectional discrete yield - sruface model is used to spandrel deep beams, the effect of the shear deformation to shear force on ( he m ~ terial nonlinearity is considered, ( he bond slip in anchorage zones is regarded as the houndaty nonlinearity of a member. except the geometric nonhineaicty. consideration of double nonlinearities about materials an

    6 、將分段截離散的屈服模型應用於裙梁,考慮剪力剪切變形對材料非性的影響,將錨固區鋼筋的粘結看成構件的邊界非性,不考慮幾何非件,建立了裙梁考慮村料、邊界雙重非性的空間滯回曲分析模型。
  3. S. consideration of interaction on the nonlinearity about the material, the geometry, and the boundary of the columns subject to axial force. biaxial hending, and torsion, an analytical model of hysteretic curve of columns is presented, based on the sectional cross - sectional discrete yieldsurface inodel, the bond slip in anchorage zones regarded as the boundary nonlinearity of a memher. and the iterative procedure of displacement of inner nodes on the basis of the hamonization of displacement

    5 、根據構件分段截離散的屈服模型,把錨固區粘結看成構件的邊界非,以及基於位協調的內結點位迭代,建立了能考慮構件壓(拉) 、雙彎、扭的材料、邊界、幾何非性相互影響的柱空間滯回曲分析模型。
  4. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤劑與45 #鋼軸配副或是固體潤劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表均可形成潤膜,從而減少金屬摩擦副表間的直接接觸,大大延長其使用壽命;轉膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  5. Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results

    文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑、有限元分析、理論和模型槽試驗等五種方逐一進行評述,並提出在傳統的平圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方
  6. Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given

    針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的一種計算模型,該計算模型可對土釘、層、深層攪拌樁以及分層開挖等進行簡化模擬;編寫了簡單實用的桿系有限元程序;結合工程實測資料及有限元分析的結果,探討了西安地區的土釘設計以及復合土釘墻的變形規律,得出了西安地區一般黃土在無地下水時的破壞形狀,復合土釘墻的側向變形曲以及計算復合土釘墻最大水平位的經驗公式。
  7. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維有限元非性分析、模型試驗等研究方,著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界等方的預加力效應。
  8. Four types of constitutive models are provided by the code : linear elastic model, duncan - chung model, nonlinear elastic model taking stress path into account and modified three - element model. contact element is used to simulate possible sliding between soil and structure. with this code, analysis is made concerning the pore pressure dissipation, lateral deformation of the support, ground settlement, bottom heave, and variation in earth pressure and support forces ; both effects of consolidation and coupled effects of consolidation and creep are considered ; furthermore, different combinations of cohesion, permeability and excavation width are elaborated

    該程序採用了更合理的開挖荷載的計算方,可以引入彈性、鄧肯張非彈性、考慮應力路徑的非性彈性和修正三元件模型等四種本構模型,並在擋墻和土之間設置薄層接觸單元以模擬土體和墻體在開挖過程中可能產生的
  9. With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure

    通過分析比較,論證了對數螺旋型比圓弧形作為邊坡的假設具有較多的工程優點,並為此編制了一個採用極限平衡分析土釘支護的fortran語言程序,以此作工具對的后、土釘錨固段的超長、土釘總力的大小等方作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡傾斜及墻背有摩擦時的坡豎向應力分佈、板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡局部穩定兩個方的影響、土釘支護板背土體中卸荷拱的存在對板受力有利等結論。
  10. In a word, the works of this paper is as follows : 1, about the stability analysis of bridge foundation, the variational kp method is researched. at the same time, an improved method that not only keeps the merits of the former method, but also improves the precision and extends the range is putted forward. at the basis of pointing out the phenomena of sloping surface moving when the loading, structural boundary or hydrology and geology conditions changes, the dynamic stability analysis to considering the moving of sloping surface is putted forwarded

    本文主要在以下幾個方開展研究工作: 1 、在大型橋梁地基基礎的穩定性分析方,對非性有限元求解方?變k _ p進行了研究,在保持原有方優點的同時,提出了一種改進方,可以提高該方的求解精度與適用范圍;在指出最不利會在荷載、結構邊界、水文地質條件等發生變化時發生遷現象的基礎上,提出了基於最不利的穩定性動態分析方
  11. Secondly, considering the complexity of the analysis of inclined - loading pile, nonlinear finite element method is adopted to calculate the internal force and displacement of pile group under inclined loads, with the concept of equivalent width presented to simplify 3d problems into 2d problems. and a program is developed as well, which is able to consider the continuity, elastic - plasticity and layered characteristic of soil around the pile shaft. besides, the interactions among pile, base slab and soil are considered in this program and contact surface element is used to simulate slipping and crazing between pile and soil, or between base slab and soil under loads. then, the non - tension analysis is proposed, to reflect the low - tensile property of soil and concrete

    在此基礎上,針對傾斜荷載下群樁基礎分析中的復雜性,提出採用非性有限元對傾斜荷載下群樁的內力及位進行分析,應用樁的等效寬度概念將空間問題簡化為平問題考慮,並開發出能考慮樁周土介質連續性、彈塑性、分層性等因素的傾斜荷載下群樁內力及位分析的計算機程序,並在程序中考慮了樁、土、承臺的相互作用,提出了採用接觸單元來考慮荷載作用下樁與土體及承臺與土體間的、開裂;並在此基礎上,提出了傾斜荷載下群樁基礎的「無拉力」分析方,可有效地反映土體及混凝土材料的低抗拉特性。
  12. According to generating finite element model by meshing for special - shaped section columns and the conversion of coordinate, a computer program considered sliding of reinforcement anchoring using the digital iteration method for full range analysis of special - shaped columns is complied

    通過異形柱截的有限元單元網格劃分及坐標變換,在本文確定的數值分析方上採用fortran90語言編制了考慮粘結影響的鋼筋混凝土異形柱截n - m -關系全曲的計算機程序。
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