破面試驗 的英文怎麼說

中文拼音 [miànshìyàn]
破面試驗 英文
fracture surface test
  • : 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...
  • : 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...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方及其根本原因,論文主要從土壤剖物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. And rock triaxial serve testing system is used, through model test involving bedded planes and a set of joint normal to the bedded planes in rock mass, multiple sliding failure affected by properties of joints and confining pressure is analysed, the condition triggering multiple sliding failure and characteristics of failure plane are given, under the co - action of inclination of connective joints ( bedded planes ), interlocking conditions of critical joints and confining pressure

    並在室內利用巖石三軸剛性伺服機,通過模型對巖體的層和一組與層正交的節理的情況進行模擬研究,分析了結構性狀和圍壓對復合式滑移壞的影響,給出了在貫通性結構(層)傾角、非貫通性結構以及圍壓等因素共同作用下,節理化巖體發生復合式滑移壞的條件以及特徵。
  3. Analyzing the failure characteristics of steel deck plate paving and the actual use of the testing section which uses epoxy asphalt at jiangyin yangtze river bridge, this paper decides to use epoxy asphalt concrete as the repairing material to prevent pavement from deteriorating

    摘要在分析江陰大橋鋼橋鋪裝壞特徵的基礎上,結合環氧瀝青混凝土段的實際使用狀況,故決定採用環氧瀝青混凝土對鋪裝層進行預防性維修以避免其繼續惡化。
  4. 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《營造法式》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研究: (一)通過木柱石礎靜摩擦,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,測定了古建築中木柱的受力變形特徵、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,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、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?低周反復荷載和受壓,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,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,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,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次樁施工工藝的檢測和樁身質量及承載力的檢,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和壞機理、承載力特性,進行了富有成果的現場測工作;數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方進行模擬計算和定量研究。
  6. This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit

    此次模擬主要是針對簡單均質的基坑土層進行研究,分為兩個階段,第一階段主要是以相似工況模擬基坑開挖,第二階段主要是壞性,即由於在第一階段基坑在開挖范圍內能夠自穩,為使基坑達到壞狀態以研究滑幾何形態,限於條件,採用「等代力」的方式施加超載。
  7. 2, in the experimental study, 12 joints tests are completed, including 5 uniplanar x joints loaded with axial forces, 3 uniplanar x joints loaded with in - plane bending, 4 multiplanar xx - joints loaded with axial forces, with the emphasis on the influence of and the existence of the out - of - plane braces, of which the multiplanar xx - joints tests is the first experiment project in china

    其中,對等寬方管節點( = 1 . 0 )推求了考慮薄膜效應影響的極限承載力公式。 ( 2 )研究:本文共計進行了12個方管平x型和空間xx型相貫節點研究,進一步加深對方管相貫節點的感性認識,了解其實際壞模式。
  8. Based on the experiment results, the damage form of abnormal exterior joint are summarized, characteristics of hysteresis curve are studied, the effect of stirrup ratio and height of column section and beam section on anti - shear property of abnormal joint are discussed, working mechanism of abnormal exterior joint is researched, the conclusion that the anti - crack and bearing capacity of abnormal joint are studied by analyzing the minor core of abnormal exterior joint is proposed, the basic data is provided for the design formula of abnormal joints

    根據結果,總結了異型邊節點的壞形態,研究了節點滯回曲線的特徵,討論了節點核芯配箍率、樑柱截高度變化對異型邊節點抗剪性能的影響,分析了異型邊節點的受力機理,提出應以「小核芯」為分析單元來研究此類節點抗裂和承載力的建議,為異型節點設計公式的建立提供了基礎數據。
  9. Failure probability of coarse aggregates ( pfca ) could be a sample index durability evaluation of concrete in compressive strength test, where pfca was the ratio of number of total particles to which of the broken ones of coarse aggregates in the failed faces of a concrete specimen

    混凝土抗壓中,粗集料碎率p _ ( fca )可以作為混凝土耐久性的一個簡要評價指標,其定義為件斷裂碎的粗集料顆粒數與暴露的粗集料顆粒總數之比。
  10. Centered on the investigation on the evolvement of permeability as well as the coupling action between seepage and stress, the following work is carried out : 1. a further examination is given to classical biot seepage theory to discover the basic assumption to form the coupling seepage equation, and discuss the variety of coupling equations between seepage and stress and their adaptabilities. the physical meanings, adaptability, testing method of seepage parameters used in equation of continuum are analyzed based on the experimental investigations on complete relationship between stress, strain and permeability of rock and engineering test on permeability of rock at different depth

    本文圍繞巖石裂過程中滲透性的演化規律及其滲流-應力耦合作用機理這一課題,開展以下方的研究工作: 1 .對經典biot滲流力學做了進一步的考察,揭示建立耦合滲流方程的主要假設,討論了各種滲流與應力耦合方程及數學模型的適用條件,通過巖石應力應變-滲透率全過程實研究和不同深度巖體滲透率工程研究,分析了連續介質模型耦合滲流方程參數的物理意義、適用性、測方法。
  11. When heating temperature reached 300, crackings appeared on the surface of ceramic tiles but the microstructure of glaze exhibited no apparent change when heating temperature reached 900, the glaze melted, the crystal structure of the tiles broke down, the integrity of ceramic tile was destroyed and the intensity was almost lost

    當溫度達到300 ,冷卻時,釉可產生裂紋,但顯微結構基本無變化;當溫度達到900 ,冷卻時,釉出現熔化現象,坯體晶體結構酥裂、碎,完整性遭到壞,強度基本喪失。
  12. In a word, it is show that joints could be strengthened by cfs and it could be put into use in civil engineering in large scale. at the same time, experiments also show than cfs used in joints strengthening have not been make full use. the failure mode of cfs is the debond failure between concrete and steel

    同時,利用對構件的應變片分析,揭示了cfs加固節點的壞具有其自身的特殊性,即cfs的利用率比較低、 cfs的壞以混凝土保護層?主筋界的粘結壞為主、加固件和非加固構件壞形態基本一致等特點。
  13. Pseudo - static force testing of 1 : 2 scale models of a steel frame with dog - bone connections is first carried out in china in order to obtain elastic - plastic behavior of dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic after structural ultimate strength has lost. the influence of dog - bone connection on the coming order of plastic hinges and failure characteristic of steel frame, and the influence of dog - bone ' s shape and position on the behavior of structure is obtained

    通過考察了狗骨式連接平鋼框架結構在循環荷載作用下的彈塑性性能;了解狗骨式連接對結構塑性鉸出現的順序以及結構壞形態的影響;了解節點處與狗骨處應力發展狀況,探討狗骨削弱的形狀和削弱位置對節點性能的影響。
  14. The results of experimental program clearly indicate that significant strengthening of reinforced concrete beams can be realized by bonding cfrp to the tension face of the beaxn, meanwhile the ductibility of beams decreased

    觀察了加固後梁的壞形式,對壞形式進行了分析。結果顯示:外貼碳纖維對梁的正截抗彎能力有明顯提高,加固梁的剛度增加而延性降低。
  15. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震振動臺,觀察了結構的壞過程和地震反應,分析了結構及構件的抗震性能;建立了結構的精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。
  16. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點件的擬靜力結果,指出異型節點受力過程分為初裂、通裂、極限和壞4個階段;討論了軸壓比、節點核芯配箍率、柱截高度變化對異型節點抗剪性能的影響;提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議;最終給出了異型節點抗剪承載力的計算公式。
  17. By direct shear for and normal triaxial shear tests of non - saturated desert sand, the parper studied the effect of water content and dry density on the strength of the non - saturated desert sand, and set up the code of this sand. based on the plane strain test of non - saturated desert sand slope, the paper analysed the destruction way of the excavaion side during the construction by means of adding water, and brough forward a formule that calculates the allowable of excavation and pile hole

    通過非飽和沙漠砂直剪和常規三軸剪切,研究了含水量和干密度對非飽和砂強度的影響,建立了這種砂的強度準則。通過非飽和沙漠砂邊坡室內平應變,分析了沙漠井場浸法施工中就基坑壁的壞方式,推導出了基坑和樁孔容許開挖深度的計算公式。
  18. Standard test method for hydrophobic surface films by the water - break test

    用水膜作疏水表薄膜的標準方法
  19. Experimental results indicated that the polypropylene fiber can improve the workability of concrete availably, and can increase the presentation quality of structures with the voids and pits decreased ; the cracks of beam are controlled effectively, the width and length of crack decreased, the dispersibility of crack in beam face improved, and the ductility of beam increased ; and the cracking load of reinforced concrete beam is increased, the amplify up to about 30 %, simultaneity the ultimate bear capacity increased

    研究表明,使用聚丙烯纖維后,能有效改善新拌混凝土的和易性,並能增強混凝土構件的外觀質量,減少構件表蜂窩、麻、氣孔、細小裂紋等;同時,在過程中發現梁的裂縫能得到有效控制,裂縫寬度減小,裂縫的發展高度降低,裂縫的條數增加,提高了梁截的裂縫分散能力,增強了梁中混凝土的韌性;提高了鋼筋混凝土梁的開裂荷載,幅度可達30左右,增強了結構的延性,提高了結構的抗裂性能和屈服荷載。
  20. Postgraduate : pu liangtao supervisor : professor shang shouing senior engineer huang gang the research on influence of the post - casting section of continuous rigid bridge suffered vibration of train travelling is preseated in this thesis according to related project. based on theorize analysis, expriments of material properties and members under deformed vibration, verification of isolating and reducing vibration in building as well as construction technology and quality control, the effect of post - casting section suffered deformed vibration is studied thoroughly. through the analysis of 28 tests of shear strength with post - casting section under deformed vibration, the related laws are deduced. and the analysis of finite element method, the studies of quality control and construction technology are also completed

    通過現場測、模型和塊的模擬振動成型、加載、理論分析、現場減振隔振、施工工藝和質量控制等一系列全、系統的研究工作,認真、深入地研究了現澆混凝土受火車行駛振動的影響,特別是在約束構件后澆濕接頭區段內現澆混凝土受火車行駛振動影響研究方作出了開創性的工作,完成了振動使濕接頭區段受到彎曲變形影響條件下的構件模擬振動、抗剪強度
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