{"id":7918,"date":"2019-06-18T12:28:05","date_gmt":"2019-06-18T12:28:05","guid":{"rendered":"https:\/\/nbrri.gov.ng\/new\/?page_id=7918"},"modified":"2019-06-20T09:49:36","modified_gmt":"2019-06-20T09:49:36","slug":"asphalt-bitumen-testing","status":"publish","type":"page","link":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/","title":{"rendered":"Asphalt &#038; Bitumen Testing"},"content":{"rendered":"<p>Bituminous materials consist primarily of aggregates and binders and they are the major materials used in road construction. Asphalt is a generic name used to describe bituminous materials.<\/p>\n<ul>\n<li><em><strong>Binder Extraction<\/strong><\/em><\/li>\n<li><em><strong>Marshall Stability<\/strong><\/em><\/li>\n<li><em><strong>Specific Gravity<\/strong><\/em><\/li>\n<li><em><strong>Flash &amp; Fire Point<\/strong><\/em><\/li>\n<li><em><strong>Softening Point<\/strong><\/em><\/li>\n<li><em><strong>Penetration<\/strong><\/em><\/li>\n<li><em><strong>Coring<\/strong><\/em><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565253\"><\/a>BINDER EXTRACTION<\/h2>\n<p>The centrifuge extractor is used to determine the quantity of binder of bitumen in bituminous paving mixtures<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8017 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg\" alt=\"\" width=\"376\" height=\"229\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg 600w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor-300x183.jpg 300w\" sizes=\"(max-width: 376px) 100vw, 376px\" \/><strong>Figure 37: Centrifugal extractor<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565254\"><\/a>MARSHALL STABILITY<\/h2>\n<p>This test determines the stability and flow parameter in asphalt mix design.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8019 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Marshall-Test-machine.jpg\" alt=\"\" width=\"282\" height=\"421\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Marshall-Test-machine.jpg 402w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Marshall-Test-machine-201x300.jpg 201w\" sizes=\"(max-width: 282px) 100vw, 282px\" \/><strong>Figure 38: Marshall Test machine<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565255\"><\/a>SPECIFIC GRAVITY<\/h2>\n<p>The vacuum pyknometer is used to determine the specific gravity of bituminous<\/p>\n<p style=\"text-align: center;\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8020 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Vacuum-Pyknometer.jpg\" alt=\"\" width=\"475\" height=\"285\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Vacuum-Pyknometer.jpg 600w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Vacuum-Pyknometer-300x180.jpg 300w\" sizes=\"(max-width: 475px) 100vw, 475px\" \/>Figure 39: Vacuum Pyknometer<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565256\"><\/a>FLASH &amp; FIRE POINT<\/h2>\n<p>The Cleveland flashpoint apparatus is used to test cutback bitumen and sometimes penetration grade bitumen<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8021 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Cleveland-open-cup-flash-point-tester.jpg\" alt=\"\" width=\"347\" height=\"353\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Cleveland-open-cup-flash-point-tester.jpg 430w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Cleveland-open-cup-flash-point-tester-295x300.jpg 295w\" sizes=\"(max-width: 347px) 100vw, 347px\" \/><strong>Figure 40: Cleveland open cup flash point tester<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565257\"><\/a>SOFTENING POINT<\/h2>\n<p>The ring and ball test set is used to determine the softening point of bituminous materials<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8022 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Ring-Ball-test-apparatus.jpg\" alt=\"\" width=\"270\" height=\"420\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Ring-Ball-test-apparatus.jpg 385w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Ring-Ball-test-apparatus-193x300.jpg 193w\" sizes=\"(max-width: 270px) 100vw, 270px\" \/><strong>Figure 41: Ring &amp; Ball test apparatus<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565258\"><\/a>PENETRATION<\/h2>\n<p>The semi-automatic penetrometer is used to perform penetration test for asphalt\/bituminous materials<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8023 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Semi-automatic-penetrometer.jpg\" alt=\"\" width=\"251\" height=\"320\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Semi-automatic-penetrometer.jpg 307w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Semi-automatic-penetrometer-235x300.jpg 235w\" sizes=\"(max-width: 251px) 100vw, 251px\" \/><strong>Figure 42: Semi-automatic penetrometer<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"_Toc522565259\"><\/a>CORING<\/h2>\n<p>The compact core drilling machine is used for the extraction of asphalt pavement samples<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8024 aligncenter\" src=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Compact-core-drill-vertical-drill.jpg\" alt=\"\" width=\"380\" height=\"452\" srcset=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Compact-core-drill-vertical-drill.jpg 504w, https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Compact-core-drill-vertical-drill-252x300.jpg 252w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><strong>Figure 43: Compact core drill &#8211; vertical drill<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bituminous materials consist primarily of aggregates and binders and they are the major materials used in road construction. Asphalt is a generic name used to describe bituminous materials. Binder Extraction &hellip; <a href=\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Asphalt &#038; Bitumen Testing<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Asphalt &amp; Bitumen Testing - Nigerian Building &amp; Road Research Institute (NBRRI)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Asphalt &amp; Bitumen Testing - Nigerian Building &amp; Road Research Institute (NBRRI)\" \/>\n<meta property=\"og:description\" content=\"Bituminous materials consist primarily of aggregates and binders and they are the major materials used in road construction. Asphalt is a generic name used to describe bituminous materials. Binder Extraction &hellip; Continue reading Asphalt &#038; Bitumen Testing\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/\" \/>\n<meta property=\"og:site_name\" content=\"Nigerian Building &amp; Road Research Institute (NBRRI)\" \/>\n<meta property=\"article:modified_time\" content=\"2019-06-20T09:49:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/\",\"url\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/\",\"name\":\"Asphalt & Bitumen Testing - Nigerian Building &amp; Road Research Institute (NBRRI)\",\"isPartOf\":{\"@id\":\"https:\/\/nbrri.gov.ng\/new\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg\",\"datePublished\":\"2019-06-18T12:28:05+00:00\",\"dateModified\":\"2019-06-20T09:49:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#primaryimage\",\"url\":\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg\",\"contentUrl\":\"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg\",\"width\":600,\"height\":365},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/nbrri.gov.ng\/new\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Asphalt &#038; Bitumen Testing\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/nbrri.gov.ng\/new\/#website\",\"url\":\"https:\/\/nbrri.gov.ng\/new\/\",\"name\":\"Nigerian Building &amp; Road Research Institute (NBRRI)\",\"description\":\"Nigerian Building &amp; Road Research Institute\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/nbrri.gov.ng\/new\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Asphalt & Bitumen Testing - Nigerian Building &amp; Road Research Institute (NBRRI)","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/","og_locale":"en_US","og_type":"article","og_title":"Asphalt & Bitumen Testing - Nigerian Building &amp; Road Research Institute (NBRRI)","og_description":"Bituminous materials consist primarily of aggregates and binders and they are the major materials used in road construction. Asphalt is a generic name used to describe bituminous materials. Binder Extraction &hellip; Continue reading Asphalt &#038; Bitumen Testing","og_url":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/","og_site_name":"Nigerian Building &amp; Road Research Institute (NBRRI)","article_modified_time":"2019-06-20T09:49:36+00:00","og_image":[{"url":"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/","url":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/","name":"Asphalt & Bitumen Testing - Nigerian Building &amp; Road Research Institute (NBRRI)","isPartOf":{"@id":"https:\/\/nbrri.gov.ng\/new\/#website"},"primaryImageOfPage":{"@id":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#primaryimage"},"image":{"@id":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#primaryimage"},"thumbnailUrl":"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg","datePublished":"2019-06-18T12:28:05+00:00","dateModified":"2019-06-20T09:49:36+00:00","breadcrumb":{"@id":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#primaryimage","url":"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg","contentUrl":"https:\/\/nbrri.gov.ng\/new\/wp-content\/uploads\/2019\/06\/Centrifugal-extractor.jpg","width":600,"height":365},{"@type":"BreadcrumbList","@id":"https:\/\/nbrri.gov.ng\/new\/asphalt-bitumen-testing\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/nbrri.gov.ng\/new\/"},{"@type":"ListItem","position":2,"name":"Asphalt &#038; Bitumen Testing"}]},{"@type":"WebSite","@id":"https:\/\/nbrri.gov.ng\/new\/#website","url":"https:\/\/nbrri.gov.ng\/new\/","name":"Nigerian Building &amp; Road Research Institute (NBRRI)","description":"Nigerian Building &amp; Road Research Institute","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/nbrri.gov.ng\/new\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/pages\/7918"}],"collection":[{"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/comments?post=7918"}],"version-history":[{"count":4,"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/pages\/7918\/revisions"}],"predecessor-version":[{"id":8025,"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/pages\/7918\/revisions\/8025"}],"wp:attachment":[{"href":"https:\/\/nbrri.gov.ng\/new\/wp-json\/wp\/v2\/media?parent=7918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}