{"id":606799,"date":"2024-11-05T22:34:31","date_gmt":"2024-11-05T22:34:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-22282-42021\/"},"modified":"2024-11-05T22:34:31","modified_gmt":"2024-11-05T22:34:31","slug":"iso-22282-42021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-22282-42021\/","title":{"rendered":"ISO 22282-4:2021"},"content":{"rendered":"<p>This document establishes requirements for pumping tests as part of geotechnical investigation service in accordance with EN 1997-1 and EN 1997-2.<\/p>\n<p>This document applies to pumping tests performed on aquifers whose permeability is such that pumping from a well can create a lowering of the piezometric head within hours or days depending on the ground conditions and the purpose. It covers pumping tests carried out in soils and rock.<\/p>\n<p>The tests concerned by this document are those intended for evaluating the hydrodynamic parameters of an aquifer and well parameters, such as:<\/p>\n<p>\u2014     permeability of the aquifer,<\/p>\n<p>\u2014     radius of influence of pumping,<\/p>\n<p>\u2014     pumping rate of a well,<\/p>\n<p>\u2014     response of drawdown in an aquifer during pumping,<\/p>\n<p>\u2014     skin effect,<\/p>\n<p>\u2014     well storage,<\/p>\n<p>\u2014     response of recovery in an aquifer after pumping.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Geotechnical investigation and testing \u2014 Geohydraulic testing \u2014 Part 4: Pumping tests<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2021-03<\/td>\n<td>34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":606813,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1293,2634],"product_tag":[],"class_list":{"0":"post-606799","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-93-020","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/606799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/606813"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=606799"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=606799"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=606799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}