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- APPLICATION OF VIBRATION AND SUBSTITUTION METHOD IN REINFORCEMENT OF COHESIVE SOIL FOUNDATION 振冲置换法在粘性土地基加固中的应用
- cohesive soil foundation 粘性土地基
- The influential factors of cohesive soil's compressibility are analyzed from the angle of its interior structure. 摘要从土体内部结构形态角度分析了粘性土压缩性影响因素。
- The soil strength descends evidently and its strain rate increases as water content of cohesive soil with low swelling property increases. 随着具有微膨胀特性的黏性土含水量的增加,土体的强度显著下降,加载后的应变率增大。
- Relevant equations were established for the coefficients of secondary consolidation of saturated cohesive soil and the moisture content. 为指导、分析与验证固结试验结果,从多角度保证试验的准确性提供了一个方法;
- Principles and features of method of dry driven crushed stone pile which is adapted to ground treatment of sandy soil and cohesive soil are introduced herein. 本文介绍了干冲碎石桩法处理地基的工作原理及其特点,它具有挤密、置换、排水和垫层等作用。
- Cohesive soil's seepage character to have typical anisotropism, and coefficient of permeability is different in different hydraulic gradient and position. 粘性土渗透特点具典型的各向异性,在不同的水力坡降下、不同的位置渗透系数不同。
- By simulating of the process of uniaxial tensile tests on a certain cohesive soil, the applicability of the brittle fracture model and the corresponding ca. 通过对某压实黏土单轴拉伸试验成果的模拟计算,验证了构建的脆性断裂模型和有限元算法对土体拉伸破坏特性和裂缝发展过程的适用性。
- These demonstrate that the permeability coefficient of cohesive soil abstained after consideration of initial hydraulic gradient inflects the practicable seepage more closely. 考虑起始水力坡降后的粘性土的渗透系数更能反映粘性土的实际渗透情况。
- Advantages and cautions while using powder spray pile in the reinforcement of soft soil foundation are introduced. 介绍了喷粉桩加固软土地基的优点及其施工注意事项。
- In cohesive soil, avoiding continual pumping water and reducing the quantity of pumping water properly at the beginning will be helpful to reduce the possibity of soil cave collapse. 在粘性土层中,避免反复频繁抽水及适当减少抽水初期的抽水量,有利于减少土洞塌陷的可能性。
- CHEN Ge,YAN Shi-jun,LI Tie-feng.Impact of deeplying cohesive soil on subsidence in Tianjin and settlement calculation[J].Acta Scientiarum Naturalium Universitatis Pekinensis,2001,37(6):804-809. [2]陈戈;阎世骏;李铁锋.;天津市深层黏性土对地面沉降的影响及其沉降量计算[J]
- It is suggested taking explode-expand stakes to deal with expansive soil foundation by character of expansive soil and the local actual project. 根据曲靖市区膨胀土特征和当地实际工程建议对该区膨胀土地基问题采取爆扩桩来进行处理。
- The practices of many years have proven that the treatment method of salinized soil foundation is simple, easy and effective. 多年的实践证明,该盐渍土地基加固方法,简单易行,效果可靠。
- When dynamic compaction method is used to improve the soft soil foundation, environmental vibration will appear due to radiating of compaction energy. 摘要利用强夯法加固软弱地基时,其夯击能将以波的形式向外扩散,进而导致周围环境的振动。
- The results show that the compressibility of cohesive soils is closely related to the grain morphology, granulometric distribution, grain packing and pore distribution. 研究表明:粘性土的压缩性与颗粒的形态、分布及排列、孔隙的分布情况密切相关;
- Because of the reaction force of the soil foundation, the hammer rebounds to some distance, that makes contact force appear discontinuous character. 由于地基土的反力作用使得夯锤发生一定的弹起,故强夯接触力具有强间断性的特征。
- On the basis of the design and surrounding conditions, the schemes of backfill soil foundation are discussed, and a reasonable method is determined. 根据设计条件、周围环境、对填土地基处理方案进行了对比分析,确定了合理的地基处理方案。
- Summarization of cohesive soil initiation 黏性土起动研究现状综述
- Results indicate that the remolded samples' collapse mode of cohesive soils under lower confining pressure is based solely on symmetrical deformation and based accessorially on localized deformation. 研究结果表明:重塑黏性土样在围压较低时,以均匀性破坏为主,局部化变形破坏为辅;