非洲几内亚海洋潮涧带土层工程特性分析  

Analysis of Engineering Characteristics of Soil Layer in Marine Tidal Stream Zone of Guinea,Africa

作　　者：彭湃 邓飞跃[1] 陶望雄 Peng Pai;Deng Feiyue;Tao Wangxiong(CINF Engineering Co.Ltd.,Changsha,Hunan 410019)

机构地区：[1]长沙有色冶金设计研究院有限公司,湖南长沙410019

出　　处：《江西建材》2024年第11期222-224,共3页

摘　　要：为了保证构筑物安全稳定运行,勘察人员需要对潮涧带的不良地质进行分析,研究潮涧带土层的各项物理力学性质,给后续设计施工提供原始的基础资料与合理的建议。文中研究在几内亚沿海勘察期间,除现场地质调查以外,还采取了标注贯入和十字板剪切等原位测试,以及土的物理力学试验与渗透试验等室内试验,从而更为深入地对潮涧带各土层进行分析研究。结果表明,潮涧带土层是一种具有特殊的工程特性的软弱土,一般具有含水率高、孔隙比大、强度较低、压缩性较高、高液化性和不均匀性的特点。In order to ensure the safe and stable operation of the structure,surveyors need to analyze and study the adverse geology of the tidal zone,study the various physical and mechanical properties of the soil layer in the tidal zone,and provide original basic data and reasonable suggestions for subsequent design and construction.During the survey along the coast of Guinea,in addition to on-site geological investigation,in-situ tests such as marked penetration and cross plate shear were also conducted,as well as indoor tests such as physical and mechanical tests and permeability tests of soil,in order to conduct a more detailed and in-depth analysis of the soil layers in the intertidal zone.The Chaojian soil layer is a type of soft soil with special engineering characteristics,generally characterized by high moisture content,high porosity,low strength,high compressibility,high liquefaction,and non-uniformity.

关 键 词：潮涧带 淤泥 淤泥质黏土 淤泥质砂土 中细砂 

分 类 号：TU44[建筑科学—岩土工程]