bottom of foundation

Soft soil is widely distributed in the coastal area, with the character of high void ratio and high compressibility and so forth, which is easy to cause deformation of excavation supporting structure, surrounding settlement and bottom upheaval of foundation pit.

软土广泛分布于沿海地区，具有高孔隙比、高压缩性等性质，在基坑工程中极易造成支护结构的变形、坑顶沉降及坑底隆起等问题。

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To determine the bottom area of rectangle extended foundation area of the column, the checking computation of the ground's carrying capacity must be conducted.

为了确定柱下矩形扩展基础的底面积，必须进行地基承载力的验算。

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To prevent damage from repeated freeze-thaw cycles, the bottom of the foundation must be Below the frost line.

为了防止反复冰冻解冻循环的损害，地基的底部必须在霜线以下（此处的土壤不受地表冰冻的影响）。

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The main characteristics of high building especially the super high building are the height is high, the center of gravity is high, the pressure of the bottom of a foundation is big and the depth of the foundation is big.

高层建筑尤其是超高层建筑的主要特点是高度大、重心高、基底压力大及基础埋深大等。

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Application of Three-step Way to Determine the Bottom Area of Rectangle Extended Foundation Under Random Eccentric Column

确定任意偏心柱下矩形扩展基础底面积的直接算法

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The bottom of morality is the foundation of the entire moral system, is the beginning of the healthy and ordered moral life.

道德底限是整个道德体系的根基，是健康有序的道德生活的起点。

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The numerical results show that the energy of vibration decreases to 2% of the original one when it transfers from bridge deck to the bottom of pile foundation.

数值计算表明，机车荷载下，振动能量由桥面到达桩基底部时为原来的2%左右。

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The widened section, usually concrete, at the base or bottom of a foundation wall, pier or column.

被加宽的部分，通常是混凝土，在基础墙壁，柱桩或支撑柱体的基础或底部。

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In order to reduce sensibility of the expanding-foundation by adjusting the bottom area of the foundation, we can make it sediment evenly.

为克服扩散基础对高压缩性土的敏感度，可采用调整基础底面积的方法来使其均匀沉降。

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The calculations demonstrate that sliding occurs between the bottom of foundation and the soil, while sliding and separation occur between the side of foundation and the soil.

计算表明，基础底面和土体发生了滑移，基础侧面和土体之间发生了滑移和脱离；

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Because the field condition is narrow and the bottom of the building foundation is the metro.

由于现场条件比较狭小，且在大楼基础下部为地铁通道。

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In the paper, it is introduced that the construction method and experience of seepage control by the double-pipe method of high pressure jet grouting to seal the bottom of dock foundation of a shipyard in Burma horizontally.

该文介绍缅甸船厂坞口基坑采用高压喷射灌浆二管法水平封底防渗施工方法和经验。

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An inquiry into the problem of upheaval in the bottom of the deep foundation pit

对深基坑坑底隆起问题的探讨

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Changes in the steel stress of the bottom slab of the box foundation due to temperature difference cannot be neglected.

温差引起的高层建筑箱基底板钢筋应力的变化不容忽视；

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Determing bias stress of reinforced concrete and size of basal bottom of single foundation by direct calculation

采用直接计算法，确定钢筋混凝土偏压单独基础基底尺寸的问题

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This method can not only ensure the safety of the pit bottom and smooth construction of foundation slab, but also minimize underground water extraction, thus protect underground water resource and reduce the influence on the settlement of the adjacent buildings.

该法可保证基底安全，基础底板施工顺利，并最大限度地减少地下水的抽水量，保护地下水资源，减少对坑边建筑物的沉降影响。

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Then, by changing the excavation depth difference, excavation separatrix location, load size and the location of loads, it is concluded that the four factors had a different impact both on the ground settlement and bottom heave of the foundation pit.

此外，通过对改变两侧挖深差、开挖分界面、两侧荷载大小及荷载位置进行分析，结果表明这四种情况对基坑坑外地表沉降、坑底隆起的影响也存在较大的差异。

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Moreover, for the case of two foundations, the distribution of shear stress acting on the bottom of foundation is no longer symmetric about the centric line of the bottom surface.

另外，对于两个基础的情形，作用于基础底面上的应力分布不再关于底面的中心线呈对称。

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Calculation and Analysis of Influence of Bottom Strengthening on Deformation of Foundation Pit for Parallel Transition Station

坑底加固对平行换乘车站基坑变形影响的计算分析

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Calculation of Bottom Plate of Turbine Framed Foundation Considering Frame Foundation/ Soil Interaction

考虑土与基础的共同作用计算汽轮机基础的底板

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Based on this calculation, checks the soil anti-heave in the bottom of foundation pit using the stability analysis theory of the second chapter.

在此计算基础上，运用第二章稳定性分析理论对其进行了基坑底部土体抗隆起验算。

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