| 1. | Viscoelastic consolidation analysis of homogeneous ground with partially penetrated vertical drains
均质未贯穿竖井地基粘弹性固结分析 |
| 2. | Equal strain solutions of radial and vertical coupled consolidation by vertical drains under arbitrarily distributed ground soil stress increase
任意附加应力下竖井径竖向耦合固结等应变解 |
| 3. | Among soft - base improvement methods , prefabricated drain preloading is one of the most popular vertical drain methods . it is developed from sand drain preloading method
塑料板排水预压法是在砂井排水预压法的基础上发展起来的，是一种行之有效的软基加固方法。 |
| 4. | Because of the advantages of prefabricated plastic drains over other vertical drains , this technology is widely used in recent soft clay foundation improvement in our country and it has been a main method in drainage consolidation methods
由于塑料排水板与其它排水体相比具有诸多优点，近几年来在国内软粘土地基处理中被广泛使用，塑料板排水法成为排水固结法中最主要的方法。 |
| 5. | ( 3 ) according to the principle of equality of consolidation degree , an equivalent method of converting vertical drain to layered soil was proposed , and we can use plane strain fem to analyze ground with vertical drain via translating it to layered soil foundation
( 3 )根据固结度等效的原则，提出了与单井固结理论等效的成层均质地基等效渗透系数计算方法，从而将复杂砂井地基转化为无砂井成层地基，可用于平面应变有限元简化计算。 |
| 6. | Some key subjects of numeric analysis were discussed such as : selecting principles of constitutive equations of soft clay , the equivalent theory of vertical drains ground , the definition of load step , the determination of vertical drains as well as the treatment methods of the decline of groundwater level , sealing wall and nearby water source
着重论述了真空预压加固地基数值分析中对土体本构方程的选择、砂井地基等效转换、分析荷载步的确定、竖向排水体的界定、地下水下降的处理、密封帷幕的处理、附近补充水源的处理等问题。 |
| 7. | In this dissertation , the consolidation and settlement mechanism of thick structural clay improved with partially penetrated vertical drains and partially penetrated mixing cement piles , is discussed . and the choose of the reasonable treatment method is analyzed . first , the experimental study on the structure property of thick wenzhou clay is carried out
本文从研究软土的结构性入手，探讨了深厚软土未打穿竖井和水泥搅拌桩地基的固结和沉降机理；并对深厚软土地基处理方法的合理选择作了分析。 |
| 8. | According with the characteristics of pore water seepage and soil deformation , the 1 - d rebound anti - consolidation model is set up . then the anti - consolidation differential coefficient equation is deduced and the corresponding a nalytical solution is obtained . in succession using the above theory , the influence to effective stress area ratio of some factors , such as preloading time , surcharge ' s magnitude and the depth of vertical drain
针对卸载后浅部地基孔隙水渗流和土体变形特性，建立了软土地基一维回弹吸水固结模型，推导了吸水固结微分方程，并求出了方程的解，同时，给出了回弹变形计算公式。 |
