After field profiles being observed and some indoor tests and analysis being fulfilled , this paper researched distribution , organic type and abundance of the xujiahe formation , upper triassic in chishui and other areas in the sichuan basin , analysed the main geo - chemical characteristics of the gas from the xujiahe formation , discovered the source characteristics of the xujiahe formation , and discussed the origin of the natural gas found in the formation 摘要细致观测了野外剖面,并进行了相关的室内分析化验,对比研究了赤水地区与四川盆地其他地区上三叠统须家河组烃源岩分布特徵、有机质类型及丰度,结合赤水地区须家河组天然气的主要地球化学特徵,揭示了赤水地区须家河组的源岩特徵,初步探讨了其天然气成因。
Through indoor tests and field tests this paper has researched the geogrid " s characteristics of application in highway engineering , such as characteristic of intension , creep , endure , damnify in construction etc . . based on these researches this paper has also researched the working characteristics of contact face between geogrid and soil and the method of geogrid - reinforced slope analysis . mechanism of geogrid - reinforced slope has been analyzed 文章通过室内、外试验,对土工格栅的强度特性、蠕变特性、耐久性能及抗施工损伤性能等工程应用特性进行了研究;在此基础上,结合室内试验和理论分析对土工格栅与土的界面工作特性和加筋边坡的稳定性分析方法进行了研究,对土工格栅加筋边坡机理进行了分析;最后结合实体工程,对土工格栅加筋陡边坡的施工工艺进行了系统研究。
( 2 ) based on indoor test , two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model , rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone , and numerical parameters of the model are processed with studying of curve fitting ( 2 )立足于室内试验,对罗湖建成区两种典型的软弱岩石?含角砾泥岩和粉砂岩进行系统的室内流变试验研究,又结合前人对岩石流变本构模型的研究成果,分析并确定了适合罗湖破碎带岩体力学特性及地层构造特征的流变计算本构模型,并对该模型的计算参数进行了曲线拟合研究。
Abstract : based on the indoor test results of the base bedding course materials for cement concrete pavement and prevalent actural calculation approach of the prevalent norms , and according to the different compositions in changtan expressway and in consideration of the experiences gained in the central and southern region , a typical structure legend for cement concrete pavement which is suitable for areas damp and with plenty of rainfall the typical structure and guideline for the use of the typical structure legend are presented in this paper 文摘:通过对南方多雨地区目前常用的水泥混凝土路面基垫层材料的室内试验,依据现行规范的结构计算方法,进行不同结构组合验算与长潭高速公路试验路段现场检测,并参考中南地区使用经验,提出了适应多雨潮湿地区水泥混凝土路面典型结构图例,论述了运用典型结构图例的原则及指南。
Abstract : in this paper , the use and test status quo of internal and external large - sized coordinate measuring system is analyzed briefly and the composition , measuring method and error source are described . according to the internal use status quo and present level , the performance parameter , test method and material reference of the theodolite system suitable for indoor test and site test are proposed . the technical approaches for developments of the indoor large - sized standard and site material reference are given 文摘:简要分析了国内外大尺寸坐标测量系统使用和检测研究现状,叙述了经纬仪测量系统的组成、测量方法和误差来源,根据我国使用现状和现有水平,提出了经纬仪测量系统性能参数、检测方法和标准实物,适用于室内检测和现场检测,给出了室内大尺寸标准研制和现场标准实物研制的技术途径。
Based on the trial - section of wenzhou rural highway , combined with series of indoor tests and on spot tests and a great deal of theoretical arithmetic , the paper studies on the following aspects : the riding quality of raw materials ( including asphalt , modified asphalt , aggregate ) , the mix design and test of asphalt ( modified asphalt ) concrete , the test of mechanical properties of asphalt concrete pavement in place , and the mechanical calculate of road pavement 本文以甬台温高速公路温州乐清试验段为依托,通过一系列现场试验和室内试验并加以深入的三维有限元理论计算,对高速公路路面材料(包括沥青、改性沥青、集料)的路用性能、沥青(改性沥青)混凝土配合比、路面现场试验以及路面力学计算四个方面进行了研究分析。