ISO/TS 17892-12-2004 土工勘查和检验.土壤的实验室检验.第12部分:阿特伯格极限塑限的测定

百检网 2021-07-15
标准号:ISO/TS 17892-12-2004
中文标准名称:土工勘查和检验.土壤的实验室检验.第12部分:阿特伯格*限塑限的测定
英文标准名称:Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of Atterberg limits
标准类型:P13
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:P13
国际标准分类号:13.080.20;93.020
适用范围:This document specifies methods of test for the determination of the Atterberg limits of a soil. The Atterberg limits comprise the liquid limit, plastic limit and shrinkage limit. These limits are also called consistency limits. This document covers the determination of the liquid limit and the plastic limit only. The liquid limit is the water content at which a soil changes from a liquid to a plastic state. This document describes the determination of the liquid limit of a specimen of natural soil, or of a specimen of soil from which material retained on a 0,4 mm or nearest sieve has been removed, using the fall-cone method. This standard has adopted both the 60 g/60°cone and the 80 g/30°cone as it has been shown that both cones give essentially the same value of the liquid limit. Other cone devices may be adopted provided they can be shown to give results equal to those obtained from the tests described herein. NOTE The Casagrande method is an alternative method for the determination of the liquid limit. Experience has shown that the results are subject to the performance and judgement of the operator. Moreover, the Casagrande type apparatus and test method have undergone many small but significant variations since it was first proposed by Casagrande in 1932. These variations give rise to differences in the values of the liquid limit determined from the test. The fall-cone method is the preferred method of determining the liquid limit of a soil. The plastic limit of a soil is the lowest water content at which the soil is plastic. The determination of the plastic limit is normally made in conjunction with the determination of the liquid limit. It is recognised that the results of the test are subject to the judgement of the operator, and that some variability in results will occur. The Atterberg limits are influenced by oxidation or other changes in the specimen, resulting from storing it too long or otherwise by treating it in an unsuitable way. This applies especially to quick clays, sulphide clays and organic soils.

百检能给您带来哪些改变?

1、检测行业全覆盖,满足不同的检测;

2、实验室全覆盖,就近分配本地化检测;

3、工程师一对一服务,让检测更精准;

4、免费初检,初检不收取检测费用;

5、自助下单 快递免费上门取样;

6、周期短,费用低,服务周到;

7、拥有CMA、CNAS、CAL等权威资质;

8、检测报告权威有效、中国通用;

客户案例展示

  • 上海朗波王服饰有限公司
  • 浙江圣达生物药业股份有限公司
  • 天津市长庆电子科技有限公司
  • 上海纽特丝纺织品有限公司
  • 无锡露米娅纺织有限公司
  • 东方电气风电(凉山)有限公司