無粘性土 的英文怎麼說

中文拼音 [niánxìng]
無粘性土 英文
cohesionless soil
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 粘動詞(粘附) glue; stick; paste; adhere to; bond
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種荷載工況作用下結筋極限應力增量的變化規律,並與理想的彈塑模型相比較,最終得出以理想彈塑模型計算各種荷載工況作用下結筋極限應力增量的回歸公式,從而為預應力混凝多跨連續結構的結筋應力設計計算提供有益的參考。
  2. Angle of repose of cohesionless soils test

    室內工試驗無粘性土天然坡角試驗
  3. Abstract : on the basis of general principles of mechanics and critical state soil mechanics theory, a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics. the formula has a simple form and is only related to the effective angle of internal friction of soil. there is a slight difference between the calculated value of the formula and that of other formulae. the further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil

    文摘:在滿足一般力學原理和臨界狀態力學理論的基礎上,本文將亞塑理論與臨界狀態力學相結合,推出了一個計算無粘性土靜止壓力系數的理論公式.該公式形式簡單,僅與的有效內摩擦角有關,其計算結果與常見的多個經驗公式的計算結果只有微小的差別.文中討論結果表明,該公式可用於確定無粘性土的靜止壓力系數
  4. In earthquake area, many engineers used concrete structure with unbonded tendons. but people still has lots of different opinions about its seismic behaviors

    結預應力混凝結構在地震設防區域的應用越來越廣泛,但對其抗震能的認識存在較大的分歧。
  5. The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress

    在有限元分析中,混凝結鋼筋採用分層組合式的有限元模型,在結預應力混凝的非線分析中,將結預應力筋對混凝的作用,借鑒預應力的荷載平衡法,用其等效力來代替預應力作用。
  6. The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out. the aseismic behaviors are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc. the results show, when designed rationally, the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism

    通過兩榀不同預應力度的結部分預應力混凝扁梁框架結構的低周反復荷載試驗,分析研究了結部分預應力混凝扁梁框架結構的破壞形態、滯回特、位移延、耗能能力、承載力及剛度退化等抗震能。
  7. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次,設計了三根活粉末混凝結預應力疊合梁,兩點對稱集中加載、一次受力,得到了它們的截面應變分佈、撓度與變形、結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。
  8. With the study of the ability of unbounded ppc structure and the development of materials of unbounded ppc and the technique of light jack, the advantage of unbounded ppc structure has been widely recognized

    隨著對結預應力結構能的研究,結材料供應充足和輕型張拉千斤頂技術的發展,以及結預應力樓蓋在高層建築結構中的普及,結預應力混凝結構的優點已得到廣泛的認可。
  9. Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich

    本文通過對試驗數據的分析總結,認為:單塊夾層板第一受力階段的能試驗及單向和雙向裝配整體式夾層板的能試驗,滿足《混凝結構規范》 ( gb50010 - 2002 )中關于預應力樓板的二級裂縫控制等級的要求,抗裂設計得當;由於板縫結預應力筋的存在提高了板的抗裂
  10. Because these factors make change more often, soil time space variability is more bigger. the relationship of single factor between soil water infiltration capacities and certain influencing factor could be established quantitatively by means of soil water infiltration tests in indoor, there is negative correlation relation between soil water infiltration capacities and soil structure. there is negative correlation relation in high grit content and low physical clay content soil, and second - degree polynomial relation in high physical clay content junk structural soil between soil water infiltration capacities and soil moisture

    由於這些因素在時刻發生變化,使得壤的時空變異較大,只能用室內壤水分入滲試驗來定量確定壤水分入滲能力與某些影響因素之間的單因子相關關系,壤水分入滲能力與壤結構之間呈負相關關系,壤水分入滲能力與壤含水量之間在壤砂粒含量高,物理粒含量低的結構壤中呈負相關關系,在物理粒含量高的團粒結構壤中呈二次多項式關系。
  11. The influencing element and the equation of the shear strength of the no viscous moraine and gravel, and strain softening, dilatancy ( shrinkage ) were analyzed

    分析了堆石料等粒狀的抗剪強度影響因素和合理抗剪強度表達式,應變軟化、剪脹等質。
  12. Through test and research of zipingpu reservoir concrete faced rockfill dam ' s material and finite element analysis of the dam, physics and mechanical characteristics were studied, such as characteristics of rock, compaction, permeability, compressibility and so on, of the no viscous moraine and gravel. at the same time, the mutual relation of physics and mechanical characteristics were studied

    對紫坪鋪面板堆石壩築壩料試驗研究,了解堆石料等粒狀的巖、級配、壓實、滲透、壓縮等物理力學質,以及物理與力學之間的相互關系。
  13. Standard test method for unconfined compressive strength of cohesive soil

    側限抗壓強度的標準試驗方法
  14. Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible

    結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形結預應力鋼絞線和單圈有結預應力鋼絞線對排沙洞襯砌混凝施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝壓力管道結構管壁混凝的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致,確定了預應力混凝壓力管道理論計算方法的可行
  15. The main properties of new alcohol based spraying coatings for green sand mold are superior to the abilities of internal and outside coatings of the same kind, the surfaces of castings that are produced used new alcohol based spraying coatings are smooth without adhering sand and gas - hore

    濕型砂鑄造新型醇基噴塗塗料的主要能達到了國內外同類產品領先水平;生產的高錳鋼、可鍛鑄鐵和灰口鑄鐵產品表面光潔,砂、氣孔等缺陷。
  16. According to the coulomb ' s earth pressure theory, from the condition of the static equilibrium of the force when the slide wedge was in limit equilibrium, a formula was derivated for the calculation of active earth pressure of cohesive or non - cohesive backfill soils

    摘要根據庫倫壓力的計算原理,從滑動楔體處于極限平衡狀態時力的靜力平衡條件出發,推導出了計算無粘性土主動壓力的公式。
  17. The contents include as follows : the influencing factors of the displacement ductility factor of the unbonded partially prestressed concrete frame structures, such as stirrup reinforcement characteristic value, nominal shear span ratio, axial compression ratio, the appearing order of plastic hinges and partial prestressing ralio ( ppr ) are discussed. the formula of displacement ductility factor of the unbonded partially prestressed concrete frame structures is suggested by regression analysis. with regard to the aseismic design and the request of ductility and energy dissipation, the restriction of the flat - beam / column sectional size and aseismic reinforced design are discussed

    本文主要包括以下內容:討論了配箍特徵值、名義剪跨比、軸壓比、塑鉸出現順序、預應力度等因素對結部分預應力混凝框架位移延系數的影響,回歸了考慮影響因素的位移延系數計算公式;對結部分預應力混凝扁梁框架結構,闡述了抗震設計對扁梁、柱截面尺寸的要求與限制;對滿足延和耗能要求的結部分預應力混凝扁梁控制截面抗震配筋進行了探討;通過對結部分預應力混凝扁梁梁端的受力分析,改進了以往扁梁梁端扭矩設計值計算公式。
  18. Considering the behaviors of unbonded prestressed concrete beams and steel reinforced concrete columns, a kind of nonconforming beam - column element was constructed and the analysis precision was improved. loading and reloading paths were introduced into the constitutive relationship of concrete. it is helpful to the analysis program to trace the full - range mechanical behavior of structures including the descending part and the hysterisis characteristic under cyclic loading

    考慮結預應力混凝梁、型鋼混凝柱等結構構件的受力特點,構造非協調樑柱單元,提高了分析精度;混凝的本構關系中,引入卸載路徑和再加載路徑,使得分析程序可以追蹤包括下降段在內的結構全過程力學行為,以及反復荷載下結構的滯回特
  19. The results show that the performances of precast prestressed beam - to - column concrete connections with unbonded tendons are equal or superior to that of a monolithic connection in terms of ductility and displacement - restoring capacity

    結果表明,結預應力裝配式混凝框架連接具有良好的耗能能力,在延和變形恢復能力上比現澆連接更優。
  20. Furthermore, the forms of slip surface are generalized into conic curve no longer taking the magnitude of cohesion into account. and the method of slope stability analysis for anchor - reinforced or discharged slope is also presented

    假定滑面上應力分佈形式,文中進一步將坡和無粘性土坡的滑面形式統一起來,在計算過程中不再根據聚力的大小來假定不同的滑面形式,均將滑動面形式假定為二次曲線。
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