EN ISO 22476-11:2017
土工调查和检验.现场检验.第11部分:扁平膨胀计试验

2017-11

土工调查和检验.现场检验.第11部分:扁平膨胀计试验 是非强制性国家标准，您可以免费下载预览页

非常抱歉，我们暂时无法提供预览，您可以试试：免费下载 EN ISO 22476-11:2017 前三页，或者稍后再访问。

您也可以尝试购买此标准，
点击右侧 “购买” 按钮开始采购（由第三方提供）。

注意：点击下载后，生成下载文件时间比较长，请耐心等待......

适用范围: ISO 22476-11:2017 establishes guidelines for the equipment requirements, execution of and reporting on flat dilatometer tests. NOTE This document fulfils the requirements for flat dilatometer tests as part of the geotechnical investigation and testing according to EN 1997‑1 and EN 1997‑2. The basic flat dilatometer test consists of inserting vertically into the soil a blade-shaped steel probe with a thin expandable circular steel membrane mounted flush on one face and determining two pressures at selected depth intervals: the contact pressure exerted by the soil against the membrane when the membrane is flush with the blade and, subsequently, the pressure exerted when the central displacement of the membrane reaches 1,10 mm. Results of flat dilatometer tests are used mostly to obtain information on soil stratigraphy, in situ state of stress, deformation properties and shear strength. It is also used to detect slip surfaces in clays. The flat dilatometer test is most applicable to clays, silts and sands, where particles are small compared to the size of the membrane.

EN ISO 22476-11:2017土工调查和检验.现场检验.第11部分:扁平膨胀计试验