ASTM D6519-15
用液压操作的固定活塞采样器进行土壤取样的标准实施规程
Standard Practice for Sampling of Soil Using the Hydraulically Operated Stationary Piston Sampler
ASTM D6519-15 发布历史
ASTM D6519-15由美国材料与试验协会 US-ASTM 发布于 2015。
ASTM D6519-15在国际标准分类中归属于: 13.080.01 土质和土壤学综合。
ASTM D6519-15 发布之时，引用了标准
- ASTM D1587 土工技术用土壤薄壁管抽样的标准实施规程
- ASTM D2488 土壤描述推荐规程（目视手动程序）
- ASTM D3740 工程设计及建筑中使用的土壤和岩石的试验和或检查中使用试剂评定的规程
- ASTM D4220 保存和运输土壤样品的标准实施规程
- ASTM D5299 测定环境活性物质用地下水井、包气带监测装置、钻孔及其他设备退役的标准指南
- ASTM D5434 土壤和岩石地下爆炸现场记录的标准导则
- ASTM D5782 地质环境勘探和地下水质量检测装置安装用直接气体旋转钻机的使用标准指南
- ASTM D5783 地质环境勘探和地下水质量检测装置安装用带水基钻流的直接旋转钻机的使用标准指南
- ASTM D5784 亚表层水质检测装置安装和地理环境勘探中空螺旋钻使用的标准指南
- ASTM D6026 在土工学数据中使用明显数字的标准实施规程
- ASTM D6151 地质技术勘探和土壤取样用空茎轴螺旋钻使用的标准操作规程
- ASTM D6169 环境调查用钻探取样用具的土壤和岩石取样装置选择的标准指南
- ASTM D6282 环境位点特性分析用直推土壤采样的标准指南
- ASTM D6286 环境位点特性分析用钻削方法选择的标准指南
- ASTM D653 采用流动空气测量未饱和多孔材料渗透性的标准试验方法
ASTM D6519-15的历代版本如下：
- 2015年 ASTM D6519-15 用液压操作的固定活塞采样器进行土壤取样的标准实施规程
- 2008年 ASTM D6519-08 用液压操作的固定活塞采样器进行土壤取样的标准实施规程
- 2005年 ASTM D6519-05 用液压操作的固定活塞采样器进行土壤取样的标准实施规程
- 2002年 ASTM D6519-02 采用液压固定式活塞式取样器取样土壤的标准实践
- 2000年 ASTM D6519-00 用液压控固定活塞采样器进行土壤抽样的标准规程
5.1 Hydraulically activated stationary piston samplers are used to gather soil samples for laboratory or field testing and analysis for geologic investigations, soil chemical composition studies, and water quality investigations. The sampler is sometimes used when attempts to recover unstable soils with thin-walled tubes, Practice D1587, are unsuccessful. Examples of a few types of investigations in which hydraulic stationary piston samplers may be used include building site foundation studies containing soft sediments, highway and dam foundation investigations where softer soil formation need evaluation, wetland crossings utilizing floating structures, and hazardous waste site investigations. Hydraulically activated stationary piston samplers provide specimens necessary to determine the physical and chemical composition of soils and, in certain circumstances, contained pore fluids (see Guide D6169).
5.2 Hydraulically activated stationary piston samplers can provide relatively intact soil samples of soft or loose formation materials for testing to determine accurate information on the physical characteristics of that soil. Samples of soft formation materials can be tested to determine numerous soil characteristics such as; soil stratigraphy, particle size, moisture content, permeability, shear strength, compressibility, and so forth. The chemical composition of soft formation soils can also be determined from the sample if provisions are made to ensure that clean, decontaminated tools are used in the sample gathering procedure. Field-extruded samples can be field-screened or laboratory-analyzed to determine the chemical composition of soil and contained pore fluids. Using sealed or protected sampling tools, cased boreholes, and proper advancement techniques can help in the acquisition of good representative samples. A general knowledge of subsurface conditions at the site is beneficial.
5.3 The use of this practice may not be the correct method for investigations of softer formations in all cases. As with all sampling methods, subsurface conditions affect the performance of the sample gathering equipment and methods used. For example, research indicates that clean sands may undergo volume changes in the sampling process, due to drainage.4 The hydraulically activated stationary piston sampler is generally not effective for cohesive formations with unconfined, undrained shear strength in excess of 2.0 tons per square foot, coarse sands, compact gravelly tills containing boulders and cobbles, compacted gravel, cemented soil, or solid rock. These formations may damage the sample or cause refusal to penetration. A small percentage of gravel or gravel cuttings in the base of the borehole can cause the tube to bend and deform, resulting in sample disturbance. Certain cohesive soils, depending on their water content, can create friction on the thin-walled tube which can exceed the hydraulic delivery force. Some rock formations can weather into soft or loose deposits where the hydraulically activated stationary piston sampler may be functional. The absence of groundwater can affect the performance of this sampling tool. As with all sampling and borehole advancement methods, precautions must be taken to prevent cross-contamination of aquifers through migration of contaminates up or down the borehole. Refer to Guide D6286 on selecting drilling methods for environmental site characterization for additional information about work at hazardous waste............
- 标准号
- ASTM D6519-15
- 发布
- 2015年
- 发布单位
- 美国材料与试验协会
- 当前最新
- ASTM D6519-15
- 引用标准
- ASTM D1587 ASTM D2488 ASTM D3740 ASTM D4220 ASTM D5299 ASTM D5434 ASTM D5782 ASTM D5783 ASTM D5784 ASTM D6026 ASTM D6151 ASTM D6169 ASTM D6282 ASTM D6286 ASTM D653