Study of the problems of rural obsolescent toft in china 河南省农村宅基地流转问题初探
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Reyfman and toft . credit derivatives - a risk management tool for non - bank corporations . ( 2001 ) 信用衍生性金融商品适用非银行公司的风险管理工具。 ( 2001年) 。
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The result indicates : modify dynamic period relates to the sort of ground , toft structure . 1 > 1 , 2 > 1 indicates the common burying depth , 2 < 1 indicates burying depth is deep _ 1是个大于1的系数； _ 2是个不定的系数，常规情况下大于1 ，当埋深较大时小于1 。
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According to theory of bent structure , the paper applies the moment balance and potential energy theory , and works out the modified modulus 1 and 2 for the depth of burying foundation and toft transmutation , which effect buildings dynamic period 根据排架结构分析理论，应用力矩平衡及势能原理分别推导出地基变形及基础埋深对结构自振周期的修正系数_ 1和_ 2 。
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The essay combines " code for seismic design of buildings " ( gb50011 - 2001 ) , analyzing and discussing bent structure of one - story industry buildings tinder the interaction of the seismic , ground - structure , and works out calculation model for bent structure ' s dynamic period about the depth of burying foundation and toft transmutation ; the model is employed expediently , adapts to actual engineer construction design at present 本文结合我国《建筑抗震设计规范》 ( gb50011 - 2001 ) ，对单层工业厂房排架结构在地震作用下土?结构共同作用问题进行了分析讨论，给出了考虑基础埋深与地基变形影响时排架结构自振周期的计算模型；这?模型应用方便，适合目前实际工程结构设计使用。
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The paper emphasizes the discuss of the problems of soil and rock engineering geology , researches the engineering characters of the soil of groundwork , analyses the subjects of the apply of the toft and the optimizing of using of the stake - base , brings forward and estimates the development direction of ning - yang county and the fitness of the development section , discusses the environment geology problem in the city and the surrounding , and suggests advices to the existing problems appearing in the engineering reconnaissance 本文着重讨论了宁阳县城区的岩土工程地质问题，研究了城区地基土的工程性质，分析了城区地基的使用和桩基础优化利用问题，提出并评价了宁阳城区的发展方向和开发区的适宜性，讨论了城区及周围的环境地质问题，并对当前岩土工程勘察存在的问题提出了建议。
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Follow as joining the wto and developing of finance market , china ’ s financial institution will need to upgrade the ability of quantitatively measuring and managing the credit risk urgently . the author hopes that this paper ’ s research on the structural models of credit risk can give some consultation to chinese financial institution to defend and manage the credit risk . so this paper deeply reviews the method of modeling the structural model of credit risk , than does an empirical study in china based on the leland - toft models , it is a 因此,本文对信用风险结构模型的建模方法进行了深入的考察,并将leland - toft模型应用于我国的实证研究,进行了有益的探索,本文的研究成果和创新工作主要表现在以下三个方面:第一,本文比较全面系统的阐述了merton模型, longstaff - schwartz模型和leland - toft模型三个最具代表性的信用风险结构模型的构建思路,对这三个模型的区别和特点进行了深入的考察,并给出各模型计算预期违约率的数学公式和方法。
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Deep and thick soft soil is extensively distributed along the river and wreath lake and etc . when introduced general pile foundation without thinked the toft power under the foundation board , piles needs so many that the structure of soft soil is destroyed and possibly crushed soil problem be caused 在沿江、环湖和沿海地区，广泛分布着深厚软土。采用常规桩基础时，不考虑基础底板下地基土的地基承载力，布桩密度往往较大，软土的结构性遭到破坏，同时可能会产生严重的挤土问题，使环境受到影响。
