strength criteria 中文意思是什麼

strength criteria 解釋
強度衡準
  • strength : n. 1. 力,力量,體力。2. 強度,濃度;長處;(要塞等的)抵抗力。3. 實力;兵力;全體人數,額定人數,編制。4. 筆力;文勢。5. (證券等的)市價堅挺。6. 〈美俚〉(可能有的)利潤。
  • criteria : n. criterion 的復數。
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  2. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系,引入發展系數、協調系數、公平系數,以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型,利用遙感技術成果以及植物生理需水的現場實驗數據,提出了乾旱區天然植被生態需水量計算方法。
  3. According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory

    摘要利用強度折減技術和二分法原理,以塑性區的貫通作為頂板破壞的標準,當采空區頂板的安全系數等於1 . 2時,利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。
  4. Market predominance, monopoly, and market control strength. the constitute of market predominance is divided into three parts : the definition of relevant market including product market, geographic market, and time market ; the criteria of market predominance ; and the market predominance resulting from the relying between the enterprise and another two enterprises or above

    市場優勢地位的構成分為三個方面:相關市場的界定,包括相關產品市場、相關地理市場和相關時間市場;市場優勢地位的標準;以及因兩家或者兩家以上企業與一家企業之間因依賴性而形成的市場優勢地位。
  5. According to relative criteria, the performance of ash - jd such as ratio of water - reducing, ratio of compressive strength, effect of enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and impermeability to water etc are all equal to the traditional aminosulfonic - based superplasticizers, and the ratio of performance to price is better than naphthalene series superplasticizers

    按照相關標準,對產品進行了測試,所開發的低成本改性氨基磺酸鹽高效減水劑ash - jd的各項性能如減水率、抗壓強度比、增強效果、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等相當于傳統氨基磺酸鹽高效減水劑,性能價格比優于萘系高效減水劑。
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意載荷作用下應力場的級數解,並應用斷裂力學方法確定裂紋尖端的應力強度因子;引入當量屈服應力考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律,得到了一系列對工程應用具有實用價值的結論。
  7. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  8. Wood poles for overhead lines - strength grading criteria

    架空線用木桿.強度分級標準
  9. Tractors and machinery for agriculture and forestry - guards for power take - off drive - shafts - strength and wear tests and acceptance criteria

    農業和林業拖拉機和機械.動力輸出軸護罩.強度和磨損試驗及驗收標準
  10. Finaly, according to the the temporary criteria for the strength design and test accreditation about the passenger car that can run at 200km / h speed or upwards, intensities of the frame and swing boster are analyzed

    最後,按《 200km h及以上速度級鐵道車輛強度設計及試驗鑒定暫行規定》的要求對構架和擺枕的強度指標進行了校核。通過校核可以看出,構架和擺枕的強度滿足要求,而且還有一定的裕量。
  11. Cement - composition, specifications and conformity criteria for low early strength blastfurnace cements

    水泥.早硬低強度高爐水泥的組分規范和合格標準
  12. Cement - part 4 : composition, specifications and conformity criteria for low early strength blastfurnace cements

    水泥.第4部分:低早硬強度高爐水泥的組分規范和合格標準
  13. Cement - part 4 : composition, specifications and conformity criteria for low early strength blastfurnace cements ; german version en 197 - 4 : 2004

    水泥.第4部分:低早硬強度高爐水泥的組分規范和合格
  14. Besides, on the basis of the test data under bending and torsion and the theoretical analysis on the tubular, the relative relationship between the bearing values is derived. second, based on the elastic theory, this paper deduces the rules of stress distribution and main physical and geometric parameters by analyzing the elastic stress distributions when the tubular is under such conditions as torsion, bending, shearing, combined bending and torsion, and combined shearing and torsion ; additionally, taking the strength criteria of concrete and steel as reference, the paper proposes a set of theoretic equations for the relative relationship between the bearing values

    本文利用彈性理論對扭轉、彎曲、剪切、彎扭聯合作用、剪扭聯合系列作用下的構件彈性應力分佈進行了研究,得出應力分佈與主要物理和幾何參數的規律;同時引入混凝土及鋼的強度準則,得出了彎扭、剪扭復合應力作用下的承載力相關關系的理論方程,可供工程設計使用。
  15. Strain rate - dependent tsai - hill strength criteria for a carbon fiber woven reinforced composite

    一種碳纖維織物增強復合材料應變率相關的各向異性強度準則
  16. In the model, johnson - cook strength is combined with gurson - tvergaard - needleman yield criteria, and random distribution of microvoids is used. results show that quasi - periodic axial fracture will appear, which obstructs the mirror current of the armature

    在給定微孔洞的初始擾動時,計算結果解釋了鋁電樞表面將要形成的不穩定性,它導致了電樞外表面出現周期性的軸向裂紋,阻礙了鏡像電流,使fcg損耗增加。
  17. The strict stability criteria for bulk grain carriers make the stowage calculation extremely complicated. described here in this paper is a newly - developed software system for the calculation of the stowage of bulk grain carriers. and put forward the simplified method in checking the stability and strength of bulk grain carrier according to the situation that calculating checking the stability and strength of bulk grain carrier is very complex

    由於其穩性衡準的特殊要求,使得該類船舶的積載計算甚為復雜,本文所開發的散裝穀物船舶裝載計算軟體系統,針對生產運輸中散裝穀物船舶的穩性計算復雜、校核繁瑣的現狀,對簡化其穩性、強度校核提出了具體的方法。
  18. With the project performance this article introduces some - works on pac under the following aspects : - - - advantages of pcrd construction in the cold district, more durability, reliability and crack resistance of the pac core than concrete facing slab ; - - - mix design, criteria of material selection, relationship between aggregate segregation and mix proportion ; - - - test and study on deformation and strength of the pac

    本文結合實際工程進行了如下幾方面的工作: 1 )分析了澆築式瀝青混凝土心墻堆石壩在寒冷地區施工的優勢,其防滲結構的耐久性、可靠性、抗裂性等方面性能均優于混凝土面板。 2 )確定澆築式瀝青混凝土施工配合比,確定對原材料的選擇原則,探討骨料離析與配合比的關系。
  19. Tractors and machinery for agricultural and forestry - guards for power take - off drive shafts - strength and wear tests and acceptance criteria

    農林用拖拉機和機械.動力輸出軸護罩.強度和磨損試驗及驗收標準
  20. Tractors and machinery for agriculture and forestry - guards for power take - off drive shafts - strength and wear tests and acceptance criteria iso 5674 : 2004 ; german version en iso 5674 : 2004

    農林業用拖拉機和機械.動力輸出軸護罩.強度和磨損試
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