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cemented
相关语句
  胶结
    Analysis of the Stress and Finite Element Stability for the Cemented Sand & Gravel Dam
    胶结砂砾石坝应力与稳定有限元分析
短句来源
    Study on the Stress and Stability of the Cemented Sand & Gravel Dam Base on Strength Reduction Method
    基于强度折减的胶结砂砾石坝应力与稳定研究
短句来源
    In the formula,parameters of the effective stress in three directions of principle stress aredifferent from each other, which are named as χ_1、χ_2、χ_3separately and each of them is affected by many factors such as thesmicture strength (cemented and embeded force), water volume rate,osmotic suction as well as the surface tension.
    公式中的有效应力参数在三个主应力方向各不相同,有χ_1,χ_2,χ_3之分,而每个主应力方向参数都包括结构强度胶结、嵌固项、水的体积率(吸力)项,渗析吸力项和表面张力项的影响。
短句来源
    Blasting of grail cemented rock cavern in Yele water power station
    冶勒水电站砂砾胶结岩洞室爆破
短句来源
    Dredging Construction Technique for Cemented Pebbles
    胶结卵石疏浚施工技术研究
短句来源
更多       
  胶结
    Analysis of the Stress and Finite Element Stability for the Cemented Sand & Gravel Dam
    胶结砂砾石坝应力与稳定有限元分析
短句来源
    Study on the Stress and Stability of the Cemented Sand & Gravel Dam Base on Strength Reduction Method
    基于强度折减的胶结砂砾石坝应力与稳定研究
短句来源
    In the formula,parameters of the effective stress in three directions of principle stress aredifferent from each other, which are named as χ_1、χ_2、χ_3separately and each of them is affected by many factors such as thesmicture strength (cemented and embeded force), water volume rate,osmotic suction as well as the surface tension.
    公式中的有效应力参数在三个主应力方向各不相同,有χ_1,χ_2,χ_3之分,而每个主应力方向参数都包括结构强度胶结、嵌固项、水的体积率(吸力)项,渗析吸力项和表面张力项的影响。
短句来源
    Blasting of grail cemented rock cavern in Yele water power station
    冶勒水电站砂砾胶结岩洞室爆破
短句来源
    Dredging Construction Technique for Cemented Pebbles
    胶结卵石疏浚施工技术研究
短句来源
更多       
  “cemented”译为未确定词的双语例句
    ANALYSIS OF SEEPAGE OBSERVATION DATA OF CHANGZHAO CONCRETE CEMENTED ROCK GRAVITY DAM
    长诏混凝土浆砌块石重力坝渗流观测成果分析
短句来源
    Program Optimization of Maintenance and Strengthening to Xiajiankou Cemented Masonry Arch Dam
    下涧口砌石拱坝除险加固方案优化
短句来源
    The deformation observation data of the Changzhao concrete cemented rock gravity dam for the period of 1979-1991 is analysed in the paper.
    对长诏混凝土浆砌块石重力坝1979年~1991年的变形观测资料进行了分析。
短句来源
    Preliminary Research on Mechanical Behaviors of Cemented Rockfill Material
    胶结堆石料的力学性能初探
短句来源
    ANALYSIS OF DEFORMATION OBSERVATION DATA OF THE CONCRETE CEMENTED ROCK GRAVITY DAM OF CHANGZHAO RESERVOIR
    长诏混凝土浆砌块石重力坝变形观测资料分析
短句来源
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  cemented
Rates of propagation and decay of weak discontinuities of stress and pressure in a saturated, arbitrarily cemented porous medium
      
The possibility of testing cemented and nitrated layers of steel products by a probe with equidistant potential electrodes is investigated.
      
The probe is optimized with respect to the minimum of errors in the determined parameters with reference to homogeneous cemented and nitrated layers.
      
Effect of laser quenching and subsequent heat treatment on the structure and wear resistance of a cemented steel 20KhN3A
      
Interface bond mechanisms of ceramic-cemented carbide compact insert
      
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This paper pressents a discussion on the subject based upon the concept of the cemented granular structure of the concrete. It is shown that the effect of infiltrating water through the concrete consists of three types of forces: 1) the buoyant force, 2) the hydrodynamic force, and 3) the surface force.A thorough investigation of the stresses in a gravity dam subject to infiltrating water includes the above mentioned forces. In the geometric method of stress analysis, these forces can be taken into account...

This paper pressents a discussion on the subject based upon the concept of the cemented granular structure of the concrete. It is shown that the effect of infiltrating water through the concrete consists of three types of forces: 1) the buoyant force, 2) the hydrodynamic force, and 3) the surface force.A thorough investigation of the stresses in a gravity dam subject to infiltrating water includes the above mentioned forces. In the geometric method of stress analysis, these forces can be taken into account more convinently in the equations of equilibrium of the block.However, in the modern design of a concrete gravity dam, a less permeable layer and a drainage system are installed close to the upstream face of the dam. These make the seepage line lower inside the dam and the hydrodynamic force insignificant. Under this condition, the application of the method of gravity analysis, in which the water pressure is considered to be acting on the upstream face of the dam and the uplift of seepage water is aken to be an external force, will not bring in considerable error.With the same point of view, this paper further analizes and investigates the principal stress parallel to the upstream face of the modern concrete gravity dam and shows that, the well-known formula still gives a better approximation and lies on the safe side.

本文首先略述近若干年来考虑混凝土壩壩內渗透压力作用的设计假定及存在问题乇鹬赋隽芯S条件的不合理性,并指出目前某些規范要求部分滿足列維条件也是根据不足的。由于壩身混凝土是由骨料顆粒經水泥結石胶結而成的不均質多孔固体,当水透入混凝土时能产生以下三种作用力: ①浮力W_(BZB)=γ_B(n_s-n_v),力的方向鉛直向上; ②渗透动压力W_Φ=γ_BJn_s,力的方向与流线相切; ③表面作用力pΦ=p(1-n_s),力的方向垂直于壩面。正確的考虑渗透压力作用的壩身应力的計算必須包括上述这三种力。当用“小块法”計算霸身应力时,将它們考虑进去并没有什么困难。就力的性質来說,在霸內分布的浮力及渗透动压力都是体积力,在下游壩体內的渗透动压力的水平分量极易引起拉应力,对霸内应力十分不利。文中并指出:由于現代修建的混凝土壩在其上游面矷栌锌股炷敛慵芭潘苣?霸內等水头綫向上游密集;排水管后壩体的浸潤綫限低,浸潤线下的孔隙水压力也常很小,因此按照通常“重力分析法”認为外水压力作用在壩面,并将揚压力靦为外力,所算得的壩身应力分布并没有很大的誤差。最后,根据同样的論点,对于近年来国內爭論較多的上游壩面主应力的計算问题作了分析,...

本文首先略述近若干年来考虑混凝土壩壩內渗透压力作用的设计假定及存在问题乇鹬赋隽芯S条件的不合理性,并指出目前某些規范要求部分滿足列維条件也是根据不足的。由于壩身混凝土是由骨料顆粒經水泥結石胶結而成的不均質多孔固体,当水透入混凝土时能产生以下三种作用力: ①浮力W_(BZB)=γ_B(n_s-n_v),力的方向鉛直向上; ②渗透动压力W_Φ=γ_BJn_s,力的方向与流线相切; ③表面作用力pΦ=p(1-n_s),力的方向垂直于壩面。正確的考虑渗透压力作用的壩身应力的計算必須包括上述这三种力。当用“小块法”計算霸身应力时,将它們考虑进去并没有什么困难。就力的性質来說,在霸內分布的浮力及渗透动压力都是体积力,在下游壩体內的渗透动压力的水平分量极易引起拉应力,对霸内应力十分不利。文中并指出:由于現代修建的混凝土壩在其上游面矷栌锌股炷敛慵芭潘苣?霸內等水头綫向上游密集;排水管后壩体的浸潤綫限低,浸潤线下的孔隙水压力也常很小,因此按照通常“重力分析法”認为外水压力作用在壩面,并将揚压力靦为外力,所算得的壩身应力分布并没有很大的誤差。最后,根据同样的論点,对于近年来国內爭論較多的上游壩面主应力的計算问题作了分析,認为对于現代修建的混凝土壩,由于在其上游面有可靠的排水和防渗层,通常用N′_1=(σ′_Y-pcos~2α)/sina~2α計算上游霸面主应力仍是比較适宜,而且是偏于安全的。

Based on the results of field shear test performed in damsite with five groups of cementedsurfaces between concrete and substratum of weakly weathered zone,this paper analyzes the effect ofrockmass structure, degree of weathering,concrete comprcssion strength,and uneveness of cementedsurface on shear strength.On the basis of further analyzing the difference between dam foundtion sur-face and test cemented surface in shear strength way,the author suggests using f=1.2and c=1.6MPa as the calculating parameters...

Based on the results of field shear test performed in damsite with five groups of cementedsurfaces between concrete and substratum of weakly weathered zone,this paper analyzes the effect ofrockmass structure, degree of weathering,concrete comprcssion strength,and uneveness of cementedsurface on shear strength.On the basis of further analyzing the difference between dam foundtion sur-face and test cemented surface in shear strength way,the author suggests using f=1.2and c=1.6MPa as the calculating parameters for checking the anti-slide stability on dam foundation surface.

通过在坝址区进行5组砼与弱风化带下部岩石胶结面现场抗剪试验研究工作,分析了岩体结构、风化程度、砼抗压强度及起伏差对抗剪强度的影响,在进一步分析大坝建基面与试件胶结面抗剪强度之间差异的基础上,提出取用f=1.2,c=1.6MPa作为大坝建基面抗滑稳定校核计算参数的建议。

The Hummocky deposit distributes from the north to the south as linear features, and extends along the river valley outside of the mouth of the Tailan River. It is about 2.5 to l5m thick, cuts through the innermost piedmont moraines (of last glacial stage). The deposit settles on a gravel layer of the river terrace, and is covered by recent diluvium at a few p1aces. Its composition can be mainly divided into two parts: (1) bou1ders of the carbonate-cemented tillites from the paleo-till at the valley slopes...

The Hummocky deposit distributes from the north to the south as linear features, and extends along the river valley outside of the mouth of the Tailan River. It is about 2.5 to l5m thick, cuts through the innermost piedmont moraines (of last glacial stage). The deposit settles on a gravel layer of the river terrace, and is covered by recent diluvium at a few p1aces. Its composition can be mainly divided into two parts: (1) bou1ders of the carbonate-cemented tillites from the paleo-till at the valley slopes in the middle and lower mountains region; (2) deposits among the boulders. The later is much more complex in lithologic composition. Besides a large percentage from the paleo-tillites, lots of outwash deposits and fluvial deposits were mixed together. the boulders of tillites are obviously rounded. The largest bou1ders and the hills all become smaller in size along the way from upper to down. Many facts show that the hummocky deposit was formed by a paleo-mud-rock flow. The mud-rock flow was developed from large landsilde and rocky avalanches at the deep dissected valley slopes of the Tailan River in the middle and lower mountains. The big environmental event occurred later than the last glaciation, probably in the middle Holocene.

研究表明台兰河口的丘状堆积体属古泥石流成因.物质组成显示泥石流形成于中低山带的峡谷段,泥石流可能由谷坡堆积物(主要为钙质胶结的冰碛),滑塌阻塞河床发展而成.其形成时代晚于末次冰期,应在全新世中期或更晚一些.

 
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