The theoretical model on reinforced earth retaining wall was given . 5 . a lateral displacement analysis model about reinforced earth retaining wall that treats the wall ' s face panel as an elastic foundation beam has been presented 在楔体破坏的基础上，探讨了加筋土支挡结构的侧向土压力分布规律，建立了一种加筋土支挡结构侧向变形分析的理论模型。
Because there are many factors affecting the properties of soft soil , the paper considers several following main factors : stress history , change of additional stress , lateral deformation and loading style and speed . the 3 - d settlement theory is established 因此笔者认为本文在计算软土沉降时，考虑软土应力历史、附加应力的变化、侧向变形及加载方式与加载速率等几个主要因素是有一定的可行性的。
As one of the . most effective rock shoring forms , rock - bolt reinforcement is still in use combining with some shoring forms such as three - dimensional vegetable netting , insufflating - virescence reinforcement , sash reinforcement and their effects are very distinctly 但作为减小岩体侧向变形、增强边坡稳定的锚杆支护作为最有效的岩质边坡的支护方式之一，仍广泛地于三维植被网、边坡绿化喷播、框格防护等形式结合进行边坡防护，效果非常明显。
Secondly , true taixial test by load in three different principal stress direction for study on soil anisotropic deformation characteristic are processed . lateral deformation relative to load direction , lateral deformation relative to lateral direction and the stess - strain relationship in load direction are analyzed , and soil anisotropic deformation characteristic on the three aspects of elastic ratio , poisson " s ratio and the property of compliment matrix are completely analyzed too 其次，为揭示土体各向异性变形特性，有针对性进行了三主应力分别单向加荷的真三轴试验研究，分析相对于加荷向的侧向变形、互为侧向的侧向变形、不同主应力加荷向的应力应变关系各向异性性状。
Comparing the method which is by spray powder pile with the method which is by sand pile to solve the problem of the soft subgrade : on the side of the economy , it can save some money ; on the technology , the solving by spray powder pile can improve the bearing power of the subgrade and reduce the depression of the subgrade , it can raise the capacity of resisting lateral deformation and it is effective for the soil to consolidate 采用粉喷桩处理同采用砂桩处理软土地基，从经济上比较来看，会节省些。在技术方面看，经粉喷桩处理后可提高地基的承载力，并且有效地减少地基沉降量，可提高抗侧向变形能力；有助于加快土体的固结，采用砂桩只能加快固结速度。
According to the characteristics of foundation pit and adjacent building and surrounding circumstance , some reasonable measures are given to protect the safety of adjacent building based on displacement control , such as prestressed anchor for limitation to lateral displacement of foundation pit , as well as root pile for foundation underpinning of adjacent building to increase its stiffness 摘要根据基坑开挖、场地地质条件和邻近建筑物的特点，基于变形控制的考虑，采用预应力锚杆限制基坑侧向变形，通过微型桩对邻近建筑物基础进行预托换加固增强其抵抗变形能力，保证工程顺利完工和周围建筑的安全使用。
There are two parts in this paper . the first part studies the deformation behavior of soft soil under embankment by laboratory model test . in the tests , we mainly considered a few factors , such as depth of soft soil , the magnitude and rate of loading , and its slope angle etc , which effected on the deformation of soft - soil foundation 本文分为两个部分，第一部分是通过室内模型试验对路堤下软土地基的变形特性进行了再认识，在试验中考虑了软土层的厚度、荷载大小和加荷速率以及软土层的倾斜等几个因素对软土地基的侧向变形和竖向变形的影响。
( 4 ) research on considering stress history and lateral deformation in 1 - d method for embankment settlement calculation . for av e ~ p method , the modification coefficient m , from influence of soil stress history is put forward . then , aimed at the e ~ lgp method and so on , by lots of nonlinear fem calculation , the different settlement revised formulas m2 are given for uniform and non - uniform roadbed cases 针对以a _ v 、 e p法等，提出了可考虑土体应力历史影响的修正系数m _ 1式子；接着，针对e - lgp法或进行了应力历史影响修正后的a _ v 、 e p等，通过大量非线性有限元计算，分别给出均质路基和非均质路基的考虑土体侧向变形影响的沉降修正系数m _ 2式子。
4 . dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance , the relation is p = ae , when the defomation of wall has evidently effect on the soil pressure . 5 . the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ) , the research find pw = 1 . 22sw 6 . the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor 4 、探讨了考虑时间效应的土压力和位移关系曲线，认为在当墙体的变形对土压力分布产生明显影响时，二者间的关系可用一指数函数来表达： p = ae ~ ( ( / s ) ) 5 、墙体侧向变形，导致墙后土体产生沉降，在本次研究中，排除掉基坑降水施工因素的影响，由墙体变形导致的墙后土体沉降，二者具有p _ w = 1 . 22s _ w关系； 6 、将基于时间窗口滚动多步神经网络预测方法和应用于深基坑工程墙体变形的预测工作，具有较高的预测精度，该方法在岩土工程变形预测方法中具有广泛的应用前景。
Three different aspects of anisotropic deformation including lateral strain , relative proportional relation of lateral strain and strain in load direction , and train increment induced by unit stress increment in load direction will be delicately analyzed . the stress strain relationship in different principal stress load direction can be reflected in the anisotropy of tangent elastic ratio or strain increment in load direction induced by unit stress increment in load direction 侧向变形可以从侧向应变、侧向应变与加荷向应变之间的相对比例关系或侧膨胀系数以及加荷向单位应力增量所引起的侧向应变增量三个不同方面深入细致地分析研究；不同主应力加荷向的应力应变关系各向异性可以反映在切线弹模以及加荷向单位应力增量引起的加荷向应变增量的差异中。
