该模型对堆石料发生颗粒破碎后的力学特性具有更好的适用性。
The modified model can preferably reflect the influence of particle breakage on the mechanical behaviour of the rockfill materials.
高应力水平时堆石料的颗粒破碎对其强度和变形机制有重要影响。
The grain crushing of rockfill materials with high stress level has significant influence on its strength and deformation mechanisms.
黄石滩水库工程堆石料碾压试验结果表明主、次堆石区料差异较大。
In Huangshitan Dam project, Rockfill RCC test shows that there are distinct differences between the major material zone and the minor material zone.
根据不同颗粒强度模拟堆石料试验结果，定量地分离出了破碎体应变。
On the basis of test results of artificial rockfill materials with different particle strength, the breakage volumetric strain of artificial rockfill materials was separated successfully.
高应力作用下堆石料的颗粒破碎严重，其对堆石体变形的影响不可忽视。
Particle breakage of rockfill materials is serious under high pressure, and its influence on deformation of rockfill cannot be ignored.
堆石料抗剪强度具有显著的非线性特征，而应力路径对其抗剪强度影响极小。
The shear strength of the rockfill is of high nonlinearity, but the stress path almost does not influence the shear strength.
并通过理论分析和工程类比，对砂卵石作坝壳堆石料时的工程特性作出了评价。
Meanwhile, with theoretical analysis and project analogy, the authors evaluate the characteristics of projects taking grit and pebble as dam shell enrockment.
海潮坝面板堆石坝在施工中调地制宜采用堆石料洞室爆破，级配符合设计要求。
During the construction of decked rockfill dam for Haichaoba Reservoir, chamber blasting was applied with local conditions, and the graduation agreed with THC design requirements.
已有研究表明，土石坝内堆石料在填筑期的应力路径可近似为等应力比的路径。
It was indicated by the existing researches that the principal stress ratio in the stress path of rockfill DAMS kept constant during the period of dam construction.
其他设计考虑包括冻结效应、有限的粗粒和堆石料、短施工时间和燃料溢出保护。
Other design considerations include frost effects, limited availability of granular and rockfill materials, short construction period, and spill containment.
基于不同堆石料的多组大型静、动三轴试验，揭示了堆石料的特殊应力变形特性。
Based on a series of static and dynamic tri-axial tests on different rockfill, the special stress and deformation behaviors of rockfill are revealed.
研究结果表明：应力路径与固结应力共同作用，成为影响堆石料剪切特性的主要外部因素。
It is shown that the stress paths together with the consolidation stress sc are the main external influential factors on the shear behaviors of the rockfill.
在进行了不同级配和泥岩含量的堆石料试验基础上，统计分析了各力学参数与泥岩含量的关系。
The relationships between the mechanical characteristics and mudstone content are statistically analyzed according to the testing results.
由于堆石料的开采与填筑等施工受气候的影响较大，因此施工方法和质量控制是最关键的环节。
Because the rock quarrying and filling are greatly influenced by the climate, the construction method and quality control are the most key link in the construction of rockfill dam.
在试验结果的基础上，通过双剪强度理论建立平面应变条件下堆石料的强度与方形三轴强度的关系式。
Based on experiment results, the relationship between strength parameters of rockfill material in plane strain state and square triaxial tests is established using the unified strength theory.
针对宜兴抽水蓄能电站上库主坝建在倾斜基础面上的实际情况，对坝体堆石料特性进行了两项特殊研究。
Two special issues were studied on rockfill materials for the main dam, which was built on an inclined bedrock surface.
分析了颗粒破碎对堆石料损伤和压密硬化的双重作用机理，建立了可反映颗粒破碎作用机理的强度计算公式。
By analyzing the damage and hardening mechanism caused by particle breakage, a formula for evaluating the strength reflecting the breakage mechanism was developed.
压实堆石料具有强透水性、低压缩性、破坏应变低、抗剪强度高。各料场级配石料均能够作为面板堆石坝的筑坝材料。
The compact rockfill materials are of the properties of high permeability, low compression, low failure strain and high shear strength.
深孔爆破采用合理的布孔方式，使炸药爆炸能量得以充分发挥，破碎率提高，大块度降低，从而获得较理想的堆石坝石料。
The reasonable hole pattern of deephole blasting was utilized to make fully use of the explosive energy to improve the crushed ratio to lower the boulder yield and to obtain better dam rocks.
利用ABAQUS提供的用户材料子程序UMAT的二次开发平台开发土石料的沈珠江双屈服面模型，并以一面板堆石坝为例，结合ABAQUS的“单元增加/去除”技术进行了坝体施工和水库蓄水的仿真分析。
The user material subroutine UMAT provided by the general software ABAQUS was used for programming for Shenzhujiang s double-yield surface model of earth rockfill materials.
查龙电站面板堆石坝坝体及沙砾石副坝填筑体按不同填筑区填筑沙砾石料。
Sand and gravel are filled in different zones in embankment dam with concrete face slab and auxiliary embankment dam at Chalong Hydropower Station.
查龙电站面板堆石坝坝体及沙砾石副坝填筑体按不同填筑区填筑沙砾石料。
Sand and gravel are filled in different zones in embankment dam with concrete face slab and auxiliary embankment dam at Chalong Hydropower Station.
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