• 基坑围护结构靠近地表土体随着施工中土体开挖深度增加开挖范围的推进,桩体土压力逐渐的增加的;

    In the deep footing groove maintenance construction and, the pole pressure in the soil near to the top of the ground, with the going on of the excavation process, will increase gradually.

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  • 使用矿业工程广为应用随机介质理论方法计算基坑开挖引起的地表土体变形据此探讨深基坑边坡的稳定性。

    In this paper the theory of stochastic medium widely used in mining industry is introduced into the calculation of surface and soil mass movements and deformation due to foundation pit excavation.

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  • 基础上讨论边坡破坏模式土体由于开挖作用影响

    On this basis, discuss the failure modes of the slope and the impact of excavation soil.

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  • 土层分层支撑位置及抗弯刚度变化结点对围护墙体进行单元划分,地基系数考虑开挖面下被动土体横向抗力。

    In this paper, the retaining wall is divided into finite elements according to the layers of soil, rigidity change of retaining wall, elevations of bracing and so on.

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  • 基坑开挖有限元模拟中,土体刚度矩阵荷载开挖荷载开挖深度变化而变化

    In the finite element simulation of foundation pit excavation, the stiffness matrix of soil, the external loads and the excavation load are changed with the increasing depth.

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  • 采用数值模拟方法得出基坑开挖支护过程土体应力状态分布变化情况基坑周边某些位移变化情况。

    The numerical simulation method is adopted to get the distribution of the soil stress and the displacement variety of some points during the excavating and supporting process.

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  • 基坑开挖中的降水引起周围土体沉降

    Dewatering in deep excavation will cause settlement of surrounding soils.

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  • 模拟计算结果证明注浆压力越大管线埋深越深、开挖越近,土体扰动管线位移影响越大

    The numerical simulating results show that soil disturbance influence on pipelines turns greater when grouting pressure, pipelines depth and distance from excavation face turns larger.

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  • 软弱地基开挖流动土体桩基推挤,导致桩基位;

    Piles under the bottom of a pit are always subject to deflection due to excavation-induced soil movement on soft foundation.

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  • 进行表面置换措施土体浅层主要受控于开挖过程胀缩影响带强度

    After the replacement measure of the canal surface, the loss of stability of the shallow surface of soil body is mainly subject to the strength of th...

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  • 由于基坑开挖过程土体结构受到扰动导致土体强度降低

    Disturbance of soil structure leads to the falling of soil strength.

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  • 通过对边坡开挖之前自然边坡稳定性分析降雨入渗可以使边坡土体安全系数急剧降低蒸发则可以使边坡土体的安全系数缓慢升高

    Slope stability analysis of the natural slope showed that heavy rainfall infiltration could decrease the factor of safety dramatically while evaporation could increase the factor of safety slowly.

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  • 进行表面置换措施土体浅层主要受控于开挖过程中坡影响强度

    After the replacement measure of the canal surface, the loss of stability of the shallow surface of soil body is mainly subject to the strength of the expansion and reduction zone of slope plane.

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  • 基坑工程施工中,基坑降水开挖使得周围土体产生沉降

    In the deep excavation engineering, excavation and dewatering will cause settlement of surrounding soils.

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  • 大面积大深度基坑开挖引起土体回弹对坑底桩基产生不利影响一影响对抗拔尤为突出

    Soil unloading and rebound induced by large-scale deep excavation may affect the performance and integrity of existing piles inside the excavation zone, especially for up-lift piles.

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  • 得出气泡改良开挖土体主要影响因素,对气泡在实际中的应用具有指导意义。

    The factors obtained are beneficial to the use of foams in Earth Pressure Balanced Shield Tunneling.

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  • 得出车站周围土体应力塑性位移基本变化规律确定开挖方案。

    Regularities of stress, plastic region, and displacement in surrounding soil are studied and the optimal excavation method is put forward.

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  • 结果表明基坑开挖过程中,基坑附近土体应力状态变化显著;锚杆锚固段应力呈非线性递减分布;

    The result indicates that when the foundation pit is excavated, the soil stress state near the foundation pit wall changes obviously;

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  • 坑底以下有效长相同时开挖深度越大开挖后桩周土体超固结比越大,抗极限承载力也越大。

    When the length of the pile under the bottom of the pit is the same, the deeper the excavation is, the larger the ultimate uplift capacity of pile is.

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  • 结合周边环境交通要求地铁旁通道施工经验采用水平冻结加固土体矿山开挖

    Based on surrounding environment, traffic requirement and construction experience, authors use horizontal freezing method to reinforce soil and mine method to excavate tunnel.

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  • 开挖工程中挡墙变形引起基坑周围土体变形重要因素之一。

    The lateral wall deflection is an important cause which results in ground surface displacement and settlement around an excavation.

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  • 的设置可以有效减小压力有利于冻土帷幕土体开挖

    Pressure relief holes give a big help to decrease the frost-heaving pressure and excavate soil enclosed by frozen curtain.

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  • 使用土体流变本构模型利用有限元分析基坑开挖影响邻近受力变形性状

    A constitutive model considering creep and FEM were used to calculate and analyze the mechanical and deformation properties of single pile adjacent to deep excavation.

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  • 使用土体流变本构模型利用有限元分析基坑开挖影响邻近受力变形性状

    A constitutive model considering creep and FEM were used to calculate and analyze the mechanical and deformation properties of single pile adjacent to deep excavation.

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