{"id":16578,"date":"2024-09-19T14:27:56","date_gmt":"2024-09-19T12:27:56","guid":{"rendered":"https:\/\/dev.shimadzu-testing.com\/?p=16578"},"modified":"2025-02-05T11:04:38","modified_gmt":"2025-02-05T10:04:38","slug":"asphalt-testing-package4pb-stiffness-test-according-toen-12697-262004-annex-b","status":"publish","type":"post","link":"https:\/\/shimadzu-testing.com\/en\/know-how\/special-applications\/asphalt-testing-package4pb-stiffness-test-according-toen-12697-262004-annex-b\/","title":{"rendered":"Asphalt Testing Package4PB \u2013 Stiffness Test according toEN 12697-26:2004 Annex B"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"16578\" class=\"elementor elementor-16578\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e15197 e-flex e-con-boxed e-con e-parent\" data-id=\"4e15197\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8c5eeb elementor-widget elementor-widget-text-editor\" data-id=\"a8c5eeb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Introduction<\/strong><\/h2>\nEN 12697-26:2004 specifies the methods for characterizing the stiffness of bituminous mixtures by alternative tests, including bending tests and direct and indirect tensile tests. The tests are performed on compacted bituminous material under a sinusoidal loading or other controlled loading, using different types of specimens and supports. The procedure is used to rank bituminous mixtures on the basis of stiffness, as a guide to relative performance in the pavement, to obtain data for estimating the structural behavior in the road and to judge test data according to specifications for bituminous mixtures\n\nFor this purpose, dedicated testing system was developed based on hydraulic Servopulser system combined with specific tools and sensors. For method development, test control and data collection, upgraded 4830 Software was used, which supplies data for specialized calculation files, developed for 4PB Stiffness calculations.\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-50178eb e-grid e-con-full e-con e-child\" data-id=\"50178eb\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b1f24f elementor-widget elementor-widget-text-editor\" data-id=\"1b1f24f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>4PB Testing Setup<\/h2><ul><li>50 KN EHF-U Servopulser system<\/li><li>4PB testing tool (Figure 2)<\/li><li>QF-40 Hydraulic power supply<\/li><li>4830 Controller<\/li><li>Windows software for 4830 controller<\/li><li>4PB Stiffness calculation macro<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24916f1 elementor-widget elementor-widget-image\" data-id=\"24916f1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig2-assembly-for-4pb-stiffnes-test.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b--fig2-assembly-for-4pb-stiffnes-test\" data-elementor-lightbox-description=\"Figure 2: Assembly for 4PB Stiffnes test\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY1MzksInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcL2FzcGhhbHQtdGVzdGluZy1wYWNrYWdlLTJwYi1zdGlmZm5lc3MtdGVzdC1hY2NvcmRpbmctdG8tZW4tMTI2OTctMjYtMjAwNC1hbm5leC1iLWZpZzItYXNzZW1ibHktZm9yLTRwYi1zdGlmZm5lcy10ZXN0LmpwZyJ9\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"578\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig2-assembly-for-4pb-stiffnes-test-768x578.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16539\" alt=\"Figure 2: Assembly for 4PB Stiffnes test\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2: Assembly for 4PB Stiffnes test<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-942085a e-grid e-con-full e-con e-child\" data-id=\"942085a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ea66c5 elementor-widget elementor-widget-text-editor\" data-id=\"4ea66c5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Test conditions<\/h2><p>Maximum amplitude for the bending strain 50 micro strain (\u00b5m\/m) (which implies 37.57 \u00b5m of deflection in the middle of the setup for 50 mm x 50 mm samples). Deflection is controlled by LVDT sensor integrated into 4PB tool.<\/p><p>Various frequencies of sinusoidal loading wave are applied, as shown in Table 1,<\/p><p>Tests are performed at room temperature as and 40 \u00baC,<\/p><p>Force, Stroke and 4PB deflection are sampled in last 5 cycles as illustrated in Table 1,<\/p><p>Dynamic characteristic values are automatically calculated by 4830 software,<\/p><p>Figure 4 shows Result window with results for 5 samples measured at room temperature. Their calculated stiffness and phase angle are shown in regard to the loading frequency.<\/p><p>Mean results table calculates mean value for 5 measured samples and corresponding graph is drawn.<\/p><p>All the asphalt samples show increasing Stiffness with the decrease of the cycle repetition period.<\/p><p>Response of different asphalt mixtures and different porosity can be evaluated in this way at different temperatures.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49cc051 elementor-widget elementor-widget-image\" data-id=\"49cc051\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-table-1-.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b--asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-table-1-\" data-elementor-lightbox-description=\"Table 1: Test frequency and number of repeats\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY1NDIsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcL2FzcGhhbHQtdGVzdGluZy1wYWNrYWdlLTJwYi1zdGlmZm5lc3MtdGVzdC1hY2NvcmRpbmctdG8tZW4tMTI2OTctMjYtMjAwNC1hbm5leC1iLWFzcGhhbHQtdGVzdGluZy1wYWNrYWdlLTJwYi1zdGlmZm5lc3MtdGVzdC1hY2NvcmRpbmctdG8tZW4tMTI2OTctMjYtMjAwNC1hbm5leC1iLXRhYmxlLTEtLmpwZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"789\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-table-1--768x789.jpg\" class=\"attachment-medium_large size-medium_large wp-image-16542\" alt=\"Table 1: Test frequency and number of repeats\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Table 1: Test frequency and number of repeats<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99ce275 elementor-widget elementor-widget-text-editor\" data-id=\"99ce275\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Results and postprocessing<\/strong><\/h2><ol><li>When the test is finished, measurement data and calculated characteristic values are automatically exported to CSV format. Each sample test with its measurement data is represented with one CSV file.<\/li><li>Exported measurement data is loaded to calculation file. Relevant sample data as well as test conditions (temperature, 4PB tool geometry, correction factors) are entered.<\/li><li>Calculation file calculates actual deflection, resolved stiffness and phase angle. For each sample separate sheet with the results as well as Stiffness and phase angle graphs over test frequency (Figure 3).<\/li><li>Results sheet summarizes at one place and shows data for all samples, mean results and graph for mean results (Figure 4).<\/li><\/ol><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f9f726 elementor-widget elementor-widget-image\" data-id=\"1f9f726\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig3-sample-result-window.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b--fig3-sample-result-window\" data-elementor-lightbox-description=\"Figure 3: Sample result window\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY1NDAsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcL2FzcGhhbHQtdGVzdGluZy1wYWNrYWdlLTJwYi1zdGlmZm5lc3MtdGVzdC1hY2NvcmRpbmctdG8tZW4tMTI2OTctMjYtMjAwNC1hbm5leC1iLWZpZzMtc2FtcGxlLXJlc3VsdC13aW5kb3cuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"429\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig3-sample-result-window-1024x429.jpg\" class=\"attachment-large size-large wp-image-16540\" alt=\"Figure 3: Sample result window\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3: Sample result window<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7875b66 elementor-widget elementor-widget-image\" data-id=\"7875b66\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig4-results-window.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig4-results window\" data-elementor-lightbox-description=\"Figure 4: Results window\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTY1NDEsInVybCI6Imh0dHBzOlwvXC9zaGltYWR6dS10ZXN0aW5nLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMDlcL2FzcGhhbHQtdGVzdGluZy1wYWNrYWdlLTJwYi1zdGlmZm5lc3MtdGVzdC1hY2NvcmRpbmctdG8tZW4tMTI2OTctMjYtMjAwNC1hbm5leC1iLWZpZzQtcmVzdWx0cy13aW5kb3cuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"595\" src=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-fig4-results-window-1024x595.jpg\" class=\"attachment-large size-large wp-image-16541\" alt=\"Figure 4: Results window\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 4: Results window<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1768880 elementor-widget elementor-widget-text-editor\" data-id=\"1768880\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Summary<\/h2><p>EN 12697-26 standard and describe a cyclic bending and indirect tension test protocols for determination of the Stiffness, which the results of the measurements conducted have confirmed as being flexible procedures that can efficiently characterize the mechanical response of both porous and dense bituminous mixtures, over a wide range of temperatures and frequencies.<\/p><p>\u00a0<\/p><p>Shimadzu Asphalt Testing Package provides accuracy and flexibility for such an application.<\/p><p>System is designed to be used for other tests described in EN 12697 standard (such as EN 12697 -26 Annex C IT-CY, EN 12697 -24Annex E IT-CY, EN 12697 -25 Method B), only by changing the testing support.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e17c47 elementor-widget elementor-widget-text-editor\" data-id=\"7e17c47\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Reference<\/h2>\n1.\tIndirect Tensile Test for the Determination of the Stiffness and the Resilient Modulus of Asphalt Concretes: Experimental Analysis of the EN 12697 -26 and the ASTM D 4123 Standards, N. Baldo, M. Dal Ben, M. Pasetto,\nM. van de Ven &#038; A.A.A. Molenaar\n2.\tAsphalt testing package v 1.1, Shimadzu Europa GmbH, 2019\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f5d236 elementor-widget elementor-widget-spacer\" data-id=\"8f5d236\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-167ca2b e-flex e-con-boxed e-con e-parent\" data-id=\"167ca2b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2bb8546 elementor-widget elementor-widget-heading\" data-id=\"2bb8546\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Download<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-951c335 downloads-liste elementor-widget elementor-widget-text-editor\" data-id=\"951c335\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><a href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/asphalt-testing-package-2pb-stiffness-test-according-to-en-12697-26-2004-annex-b-.pdf\" target=\"_blank\" rel=\"noopener\">Application: Asphalt Testing Package 4PB \u2013 Stiffness Test according to EN 12697-26:2004 Annex B<\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a4e64c elementor-widget elementor-widget-spacer\" data-id=\"3a4e64c\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a119d2d elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-button\" data-id=\"a119d2d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/shimadzu-testing.com\/wp-content\/uploads\/2024\/09\/tensile-test-of-plastics-with-automatic-extensometer.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Tensile Test of Plastic with Extensometer (PDF)<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>EN 12697-26:2004 specifies the methods for characterizing the stiffness of bituminous mixtures by alternative tests&#8230;<\/p>\n","protected":false},"author":5,"featured_media":16538,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[353,343],"tags":[],"class_list":["post-16578","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ehf-u","category-special-applications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Asphalt Stiffness Testing | EN 12697-26:2004 Annex B 4PB Method<\/title>\n<meta name=\"description\" content=\"Explore Shimadzu&#039;s Asphalt Testing Package for stiffness characterization of bituminous mixtures using the 4-point bending method as per EN 12697-26:2004 Annex B.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shimadzu-testing.com\/en\/know-how\/special-applications\/asphalt-testing-package4pb-stiffness-test-according-toen-12697-262004-annex-b\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Asphalt Stiffness Testing | EN 12697-26:2004 Annex B 4PB Method\" \/>\n<meta name=\"twitter:description\" content=\"Explore Shimadzu&#039;s Asphalt Testing Package for stiffness characterization of bituminous mixtures using the 4-point bending method as per EN 12697-26:2004 Annex B.\" \/>\n<meta name=\"twitter:image\" 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