{"id":450286,"date":"2024-10-20T09:09:50","date_gmt":"2024-10-20T09:09:50","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-c457-c457m-2023-4\/"},"modified":"2024-10-26T17:05:52","modified_gmt":"2024-10-26T17:05:52","slug":"astm-c457-c457m-2023-4","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-c457-c457m-2023-4\/","title":{"rendered":"ASTM-C457\/C457M 2023"},"content":{"rendered":"<h3>ASTM C457\/C457M-23a<\/h3>\n<h4>Redline Standard: Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete<\/h4>\n<div>\n<h4>ASTM C457\/C457M<\/h4>\n<p><strong>Scope<\/strong><\/p>\n<p><strong>Keywords<\/strong><\/p>\n<p>air content; air void parameters of hardened concrete; area-prepared surface required; average chord-length of voids; determination of air-void parameters; entrained void; entrapped void; grits for lapping hardened concrete; index point; lapping; length of traverse required; linear-traverse method; microscopical; number of points required; paste-air ratio; paste-air ratio modification; paste content; point-count method (modified); specimen preparation for microscopical analysis; spacing factor; specific surface; void frequency; water void ;<\/p>\n<p><strong>ICS Code<\/strong><\/p>\n<p>ICS Number Code 91.100.30 (Concrete and concrete products)<\/p>\n<p><strong>DOI:<\/strong> 10.1520\/C0457_C0457M-23A<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><b>C457\/C457M-23a Standard Test Method for  Microscopical Determination of Parameters of the Air-Void System  in Hardened Concrete (Redline)<\/b><\/p>\n<table class=\"shortdes-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\/astm\/\"><b>ASTM<\/b><\/a><\/td>\n<td>2023<\/td>\n<td>25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":450297,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1258,2637],"product_tag":[],"class_list":{"0":"post-450286","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-100-30","7":"product_cat-astm","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\/450286","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\/450297"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=450286"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=450286"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=450286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}