{"id":16619,"date":"2026-05-01T09:04:41","date_gmt":"2026-05-01T09:04:41","guid":{"rendered":"https:\/\/www.hnjournal.net\/7-5-45\/"},"modified":"2026-05-01T09:11:51","modified_gmt":"2026-05-01T09:11:51","slug":"7-5-45","status":"publish","type":"page","link":"https:\/\/www.hnjournal.net\/ar\/7-5-45\/","title":{"rendered":"Article 45"},"content":{"rendered":"<div class=\"journal-article\" style=\"margin-bottom: 20px;\"><h3 style='text-align: left; font-family:Times New Roman;'>Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan<\/h3><h4 style='text-align: right; font-family:Simplified Arabic;'>\u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.<\/h4><p style='text-align: left; font-weight:bold;'>Mohamed Alfadel M. Osman\u00b9, Abdalla Eissa Abdelkarim\u00b2 Khalid Abdelrazig Ahmed<sup>3<\/sup><\/p><div style='direction: ltr; text-align: left; font-size:12px; line-height:1.5;'><p><sup>1<\/sup> M.Sc. Candidate, Faculty of Engineering, Red Sea University, Sudan<\/p><p>\u00b2 Assistant Professor, Department of Civil Engineering, Faculty of Engineering, Red Sea University, Sudan<\/p><p><sup>3<\/sup> Assistant Professor, Department of Civil Engineering, Faculty of Engineering, Red Sea University, Sudan<\/p><\/div><p style='text-align:left;'><strong>DOI:<\/strong> <a href='https:\/\/doi.org\/https:\/\/doi.org\/10.53796\/hnsj75\/45' target='_blank' rel='noopener'>https:\/\/doi.org\/10.53796\/hnsj75\/45<\/a><\/p><p style='text-align: left;'><strong>Arabic Scientific Research Identifier:<\/strong> <a href='https:\/\/arsri.org\/10000\/75\/45' target='_blank' rel='noopener'>https:\/\/arsri.org\/10000\/75\/45<\/a><\/p><p style='text-align: left;'><strong>Volume (7) Issue (5). Pages:<\/strong> 818 - 823<\/p><p style='text-align: left;'><strong>Received at:<\/strong> 2026-04-15 | <strong>Accepted at:<\/strong> 2026-04-22 | <strong>Published at:<\/strong> 2026-05-01<\/p><p><a href='\/volume7\/issue5\/7-5-45.pdf' target='_blank' rel='noopener' style='background-color:green;color:white;padding:10px 15px;text-decoration:none;border-radius:5px;'>Download PDF<\/a><\/p>\r\n<style>\r\n.hnsj-cite-btn{\r\n  display:inline-flex; gap:8px; align-items:center;\r\n  padding:10px 14px; border-radius:10px;\r\n  border:1px solid #0b5ed7; background:#0b5ed7; color:#fff;\r\n  cursor:pointer; font-weight:700;\r\n}\r\n.hnsj-cite-btn:hover{background:#084bb0;border-color:#084bb0}\r\n.hnsj-cite-note{display:block;margin-top:6px;font-size:13px;opacity:.85}\r\n\r\n.hnsj-modal-backdrop{\r\n  position:fixed; inset:0; background:rgba(0,0,0,.55);\r\n  display:none; z-index:99998;\r\n}\r\n.hnsj-modal{\r\n  position:fixed; left:50%; top:50%; transform:translate(-50%,-50%);\r\n  width:min(760px,94vw); background:#fff; border-radius:14px;\r\n  box-shadow:0 12px 35px rgba(0,0,0,.28);\r\n  display:none; z-index:99999; overflow:hidden;\r\n  border:1px solid rgba(0,0,0,.08);\r\n}\r\n\r\n.hnsj-modal-header{\r\n  display:flex; justify-content:space-between; align-items:center;\r\n  padding:14px 16px; border-bottom:1px solid #eee; background:#f8fafc;\r\n}\r\n.hnsj-modal-title{font-size:16px;font-weight:800;color:#111827}\r\n.hnsj-modal-close{\r\n  border:1px solid #d1d5db; background:#fff;\r\n  width:34px; height:34px; border-radius:10px;\r\n  font-size:18px; cursor:pointer; line-height:0; color:#111827;\r\n}\r\n.hnsj-modal-close:hover{background:#f3f4f6}\r\n\r\n.hnsj-tabs{\r\n  display:flex; gap:10px; padding:10px 16px;\r\n  border-bottom:1px solid #f0f0f0; justify-content:flex-end;\r\n}\r\n.hnsj-tab{\r\n  padding:10px 14px; border-radius:10px;\r\n  border:1px solid #cfcfcf; background:#f3f4f6;\r\n  cursor:pointer; font-weight:800; color:#111827;\r\n}\r\n.hnsj-tab:hover{background:#e5e7eb;border-color:#9ca3af}\r\n.hnsj-tab.active{\r\n  background:#0b5ed7; border-color:#0b5ed7; color:#fff;\r\n  box-shadow:0 2px 10px rgba(11,94,215,.18);\r\n}\r\n\r\n.hnsj-modal-body{padding:14px 16px}\r\n.hnsj-row{\r\n  display:flex; gap:10px; flex-wrap:wrap; align-items:center;\r\n  margin-bottom:10px; justify-content:flex-end;\r\n}\r\n.hnsj-select{\r\n  padding:10px 12px; border-radius:10px;\r\n  border:1px solid #cfcfcf; min-width:220px;\r\n  background:#fff; color:#111827; font-weight:700;\r\n}\r\n.hnsj-copy{\r\n  padding:10px 14px; border-radius:10px;\r\n  border:1px solid #0b5ed7; background:#0b5ed7; color:#fff;\r\n  cursor:pointer; font-weight:800;\r\n}\r\n.hnsj-copy:hover{background:#084bb0;border-color:#084bb0}\r\n\r\n.hnsj-textarea{\r\n  width:100%; min-height:130px; padding:12px;\r\n  border-radius:12px; border:1px solid #cfcfcf;\r\n  line-height:1.7; resize:vertical; color:#111827; background:#fff;\r\n}\r\n.hnsj-actions{display:flex; justify-content:space-between; align-items:center; margin-top:10px; gap:10px; flex-wrap:wrap;}\r\n.hnsj-dl{\r\n  padding:10px 14px;\r\n  border-radius:10px;\r\n  border:1px solid #0b5ed7;\r\n  background:#0b5ed7;\r\n  color:#fff;\r\n  cursor:pointer;\r\n  font-weight:800;\r\n}\r\n.hnsj-dl:hover{background:#084bb0;border-color:#084bb0}\r\n\/* Force the citation modal UI to be independent from site RTL\/LTR *\/\r\n.hnsj-modal,\r\n.hnsj-modal *{\r\n  direction: ltr;\r\n  text-align: left;\r\n}\r\n\r\n\/* Keep the header title readable *\/\r\n.hnsj-modal-header{\r\n  direction: ltr;\r\n}\r\n<\/style>\r\n\r\n<script>\r\n(function(){\r\n  function slugifyFileName(s){\r\n    return (s || 'citation')\r\n      .toString()\r\n      .trim()\r\n      .replace(\/^https?:\\\/\\\/\/i,'')\r\n      .replace(\/[^a-z0-9]+\/gi,'-')\r\n      .replace(\/-+\/g,'-')\r\n      .replace(\/^-|-$\/g,'')\r\n      .toLowerCase();\r\n  }\r\n\r\n  function downloadTextFile(filename, content, mime){\r\n    var blob = new Blob([content], { type: mime || 'text\/plain;charset=utf-8' });\r\n    var url = URL.createObjectURL(blob);\r\n    var a = document.createElement('a');\r\n    a.href = url;\r\n    a.download = filename;\r\n    document.body.appendChild(a);\r\n    a.click();\r\n    a.remove();\r\n    setTimeout(function(){ URL.revokeObjectURL(url); }, 500);\r\n  }\r\n\r\n  function splitAuthors(str){\r\n    if(!str) return [];\r\n    return str\r\n      .split(\/,|\u061b|\u060c|;|\\n\/g)\r\n      .map(s => s.trim())\r\n      .filter(Boolean);\r\n  }\r\n\r\n  function buildRIS(m, langKey){\r\n    const title   = (langKey === 'ar') ? 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Osman\u00b9, Abdalla Eissa Abdelkarim\u00b2, Khalid Abdelrazig Ahmed\u00b3&quot;,&quot;authors_ar&quot;:&quot;Mohamed Alfadel M. Osman\u00b9, Abdalla Eissa Abdelkarim\u00b2 Khalid Abdelrazig Ahmed&quot;,&quot;title_en&quot;:&quot;Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan&quot;,&quot;title_ar&quot;:&quot;\u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.&quot;,&quot;journal_en&quot;:&quot;Humanities &amp; Natural Sciences Journal&quot;,&quot;journal_ar&quot;:&quot;\u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629&quot;,&quot;year&quot;:&quot;2026&quot;,&quot;volume&quot;:&quot;7&quot;,&quot;issue&quot;:&quot;5&quot;,&quot;doi&quot;:&quot;https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;url&quot;:&quot;https:\\\/\\\/www.hnjournal.net\\\/ar\\\/7-5-45\\\/&quot;,&quot;published_at&quot;:&quot;2026-05-01&quot;}' data-cit-en='{&quot;APA&quot;:&quot;Osman M. A. M., Abdelkarim A. E., Ahmed K. A.. (2026). Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan. Humanities &amp; Natural Sciences Journal, 7(5). https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;Chicago&quot;:&quot;Osman Mohamed Alfadel M., Abdelkarim Abdalla Eissa, Ahmed Khalid Abdelrazig. 2026. \\&quot;Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan.\\&quot; Humanities &amp; Natural Sciences Journal 7, no. 5. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;Harvard&quot;:&quot;Osman M. A. M., Abdelkarim A. E., Ahmed K. A.. 2026. Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan. Humanities &amp; Natural Sciences Journal. [Internet] 2026-05-01. [Cited 2026-05-01]. 7(5). Available at: https:\\\/\\\/www.hnjournal.net\\\/ar\\\/7-5-45\\\/. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;Vancouver&quot;:&quot;Osman M. A. M., Abdelkarim A. E., Ahmed K. A.. Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan. Humanities &amp; Natural Sciences Journal. [Internet]. 2026-05-01; 7(5). Available from: https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;IEEE&quot;:&quot;Osman M. A. M., Abdelkarim A. E., Ahmed K. A., \\&quot;Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan,\\&quot; Humanities &amp; Natural Sciences Journal, vol. 7, no. 5, 2026. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;MLA&quot;:&quot;Osman Mohamed Alfadel M., Abdelkarim Abdalla Eissa, Ahmed Khalid Abdelrazig. \\&quot;Estimating California Bearing Ratio from Dynamic Cone Penetrometer Tests: A Site-Specific Correlation for Subgrade Soils in Port Sudan, Sudan.\\&quot; Humanities &amp; Natural Sciences Journal, vol. 7, no. 5, 2026-05-01, https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;}' data-cit-ar='{&quot;APA&quot;:&quot;Osman M. A. M, Abdelkarim A. E, Ahmed K. A. (2026). \u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c 7(5). https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;Chicago&quot;:&quot;Osman Mohamed Alfadel M, Abdelkarim Abdalla Eissa, Ahmed Khalid Abdelrazig. 2026. \u00ab\u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.\u00bb. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c 7(5). https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;Harvard&quot;:&quot;Osman M. A. M, Abdelkarim A. E, Ahmed K. A. \u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629. [\u0627\u0646\u062a\u0631\u0646\u062a] 2026-05-01. [\u062a\u0627\u0631\u064a\u062e \u0627\u0644\u0648\u0635\u0648\u0644 2026-05-01]. 7(5). \u0645\u062a\u0627\u062d \u0639\u0644\u0649: https:\\\/\\\/www.hnjournal.net\\\/ar\\\/7-5-45\\\/. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;Vancouver&quot;:&quot;Osman M. A. M, Abdelkarim A. E, Ahmed K. A. \u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629. [\u0627\u0646\u062a\u0631\u0646\u062a]. 2026-05-01\u061b 7(5). \u0645\u062a\u0627\u062d \u0645\u0646: https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;IEEE&quot;:&quot;Osman M. A. M, Abdelkarim A. E, Ahmed K. A. \u00ab\u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.\u00bb. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c \u0645 7\u060c \u0639 5\u060c 2026. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;,&quot;MLA&quot;:&quot;Osman Mohamed Alfadel M, Abdelkarim Abdalla Eissa, Ahmed Khalid Abdelrazig. \u00ab\u062a\u0642\u062f\u064a\u0631 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a: \u0639\u0644\u0627\u0642\u0629 \u0627\u0631\u062a\u0628\u0627\u0637 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0648\u0642\u0639 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646.\u00bb. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c \u0645 7\u060c \u0639 5\u060c 2026-05-01\u060c https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj75\\\/45&quot;}'>\r\n    <div class='hnsj-modal-header'>\r\n    <div class='hnsj-modal-title'>Cite \/ \u0627\u0644\u0627\u0633\u062a\u0634\u0647\u0627\u062f<\/div>\r\n    <button class='hnsj-modal-close' type='button' data-hnsj-close aria-label='Close'>\u00d7<\/button>\r\n    <\/div>\r\n\r\n    <div class='hnsj-tabs'>\r\n      <button type='button' class='hnsj-tab active' data-lang='en'>English (Roman)<\/button>\r\n      <button type='button' class='hnsj-tab' data-lang='ar'>\u0627\u0644\u0639\u0631\u0628\u064a\u0629<\/button>\r\n    <\/div>\r\n\r\n    <div class='hnsj-modal-body'>\r\n      <div class='hnsj-row'>\r\n        <button type='button' class='hnsj-copy' data-hnsj-copy>Copy<\/button>\r\n        <select class='hnsj-select' data-hnsj-style><\/select>\r\n        <\/div>\r\n\r\n      <textarea class='hnsj-textarea' data-hnsj-box readonly><\/textarea>\r\n\r\n      <div class='hnsj-actions'>\r\n        <div style='display:flex; gap:10px; flex-wrap:wrap;'>\r\n          <button type='button' class='hnsj-dl' data-hnsj-dl='ris'>Download RIS<\/button>\r\n          <button type='button' class='hnsj-dl' data-hnsj-dl='bib'>Download BibTeX<\/button>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n<p style='text-align:justify; direction:ltr;'><strong>Abstract:<\/strong> The California Bearing Ratio (CBR) is a fundamental laboratory parameter for evaluating subgrade strength in flexible pavement design. However, its reliance on controlled compaction, extended soaking periods, and specialized laboratory equipment often limits its application during preliminary site investigations. The Dynamic Cone Penetrometer (DCP) offers a rapid, cost-effective field alternative, but its practical use requires reliable site-specific correlation equations. This study develops a predictive correlation between DCP penetration index and laboratory CBR values for subgrade soils in Port Sudan, Sudan. Four representative soil samples were collected from distinct urban and quarry locations, classified according to the Unified Soil Classification System (USCS) and AASHTO standards, and tested using both in-situ DCP (ASTM D6951) and laboratory CBR (ASTM D1883) procedures. Regression analysis yielded a logarithmic correlation model: CBR = 80.773\u221262.653log10(DCP), with a coefficient of determination (R\u00b2) of 0.74 The model confirms a statistically meaningful inverse relationship between DCP penetration and CBR values, demonstrating its utility for rapid field-based strength estimation. While the equation provides a practical tool for preliminary pavement design, further validation across broader soil types, moisture regimes, and compaction states is recommended to enhance generalizability and design reliability.<\/p><p style='text-align:left; direction:ltr;'><strong>Keywords: <\/strong> California Bearing Ratio; Dynamic Cone Penetrometer; Subgrade Characterization; Field-Laboratory Correlation; Pavement Engineering; Port Sudan.<\/p><p style='text-align:justify; direction:rtl;'><strong>\u0627\u0644\u0645\u0633\u062a\u062e\u0644\u0635: <\/strong> \u062a\u064f\u0639\u062f \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629 (CBR) \u0645\u0646 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u062e\u0628\u0631\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u062a\u0642\u064a\u064a\u0645 \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u0631\u0628\u0629 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0631\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0631\u0646\u0629. \u063a\u064a\u0631 \u0623\u0646 \u0627\u0639\u062a\u0645\u0627\u062f \u0647\u0630\u0627 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0644\u0649 \u0627\u0644\u062f\u0645\u0643 \u0627\u0644\u0645\u0646\u0636\u0628\u0637\u060c \u0648\u0641\u062a\u0631\u0627\u062a \u0627\u0644\u063a\u0645\u0631 \u0627\u0644\u0637\u0648\u064a\u0644\u0629\u060c \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062e\u0628\u0631\u064a\u0629 \u0627\u0644\u0645\u062a\u062e\u0635\u0635\u0629\u060c \u064a\u062d\u062f\u0651 \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0646 \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u062a\u0637\u0628\u064a\u0642\u0647 \u062e\u0644\u0627\u0644 \u0645\u0631\u0627\u062d\u0644 \u0627\u0644\u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0645\u0648\u0642\u0639\u064a \u0627\u0644\u0623\u0648\u0644\u064a\u0629. \u0648\u064a\u064f\u0639\u062f \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a (DCP)  \u0628\u062f\u064a\u0644\u064b\u0627 \u062d\u0642\u0644\u064a\u064b\u0627 \u0633\u0631\u064a\u0639\u064b\u0627 \u0648\u0641\u0639\u0627\u0644\u064b\u0627 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629\u060c \u0625\u0644\u0627 \u0623\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0627\u0644\u0639\u0645\u0644\u064a \u064a\u062a\u0637\u0644\u0628 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0631\u062a\u0628\u0627\u0637 \u0645\u0648\u062b\u0648\u0642\u0629 \u0648\u0645\u062d\u062f\u062f\u0629 \u0628\u062d\u0633\u0628 \u0637\u0628\u064a\u0639\u0629 \u0627\u0644\u0645\u0648\u0642\u0639. \u062a\u0647\u062f\u0641 \u0647\u0630\u0647 \u0627\u0644\u062f\u0631\u0627\u0633\u0629 \u0625\u0644\u0649 \u062a\u0637\u0648\u064a\u0631 \u0639\u0644\u0627\u0642\u0629 \u062a\u0646\u0628\u0624\u064a\u0629 \u0628\u064a\u0646 \u0645\u0624\u0634\u0631 \u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u062e\u062a\u0628\u0627\u0631 DCP \u0648\u0642\u064a\u0645 CBR \u0627\u0644\u0645\u062e\u0628\u0631\u064a\u0629 \u0644\u062a\u0631\u0628 \u0627\u0644\u062a\u0623\u0633\u064a\u0633 \u0641\u064a \u0645\u062f\u064a\u0646\u0629 \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646\u060c \u0627\u0644\u0633\u0648\u062f\u0627\u0646. \u062c\u064f\u0645\u0639\u062a \u0623\u0631\u0628\u0639 \u0639\u064a\u0646\u0627\u062a \u062a\u0631\u0628\u0629 \u0645\u0645\u062b\u0644\u0629 \u0645\u0646 \u0645\u0648\u0627\u0642\u0639 \u062d\u0636\u0631\u064a\u0629 \u0648\u0645\u062d\u0627\u062c\u0631 \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0648\u0635\u064f\u0646\u0641\u062a \u0648\u0641\u0642 \u0646\u0638\u0627\u0645 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u0631\u0628\u0629 \u0627\u0644\u0645\u0648\u062d\u062f (USCS) \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062c\u0645\u0639\u064a\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0644\u0645\u0648\u0638\u0641\u064a \u0627\u0644\u0637\u0631\u0642 \u0648\u0627\u0644\u0646\u0642\u0644 (AASHTO)\u060c \u062b\u0645 \u0627\u062e\u062a\u064f\u0628\u0631\u062a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u062e\u062a\u0628\u0627\u0631 DCP \u0627\u0644\u062d\u0642\u0644\u064a \u0648\u0641\u0642 \u0645\u0639\u064a\u0627\u0631 ASTM D6951 \u0648\u0627\u062e\u062a\u0628\u0627\u0631 CBR \u0627\u0644\u0645\u062e\u0628\u0631\u064a \u0648\u0641\u0642 \u0645\u0639\u064a\u0627\u0631 ASTM D1883.  \u0648\u0642\u062f \u0623\u0633\u0641\u0631 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0639\u0646 \u0646\u0645\u0648\u0630\u062c \u0627\u0631\u062a\u0628\u0627\u0637 \u0644\u0648\u063a\u0627\u0631\u064a\u062a\u0645\u064a \u0628\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0622\u062a\u064a\u0629:\r\nCBR = 80.773 \u2212 62.653 log10(DCP)\u060c\r\n\u0645\u0639 \u0645\u0639\u0627\u0645\u0644 \u062a\u062d\u062f\u064a\u062f \u0628\u0644\u063a R\u00b2 = 0.74.  \u0648\u064a\u0624\u0643\u062f \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0648\u062c\u0648\u062f \u0639\u0644\u0627\u0642\u0629 \u0639\u0643\u0633\u064a\u0629 \u0630\u0627\u062a \u062f\u0644\u0627\u0644\u0629 \u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0628\u064a\u0646 \u0627\u062e\u062a\u0631\u0627\u0642 DCP \u0648\u0642\u064a\u0645 CBR\u060c \u0645\u0645\u0627 \u064a\u0628\u0631\u0632 \u0641\u0627\u0626\u062f\u062a\u0647 \u0641\u064a \u0627\u0644\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0633\u0631\u064a\u0639 \u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0631\u0628\u0629 \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0642\u0644\u064a\u0629. \u0648\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u0648\u0641\u0631 \u0623\u062f\u0627\u0629 \u0639\u0645\u0644\u064a\u0629 \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0623\u0648\u0644\u064a \u0644\u0644\u0631\u0635\u0641\u0627\u062a\u060c \u0641\u0625\u0646 \u0627\u0644\u062f\u0631\u0627\u0633\u0629 \u062a\u0648\u0635\u064a \u0628\u0625\u062c\u0631\u0627\u0621 \u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0639\u0644\u0649 \u0623\u0646\u0648\u0627\u0639 \u0623\u0648\u0633\u0639 \u0645\u0646 \u0627\u0644\u062a\u0631\u0628\u060c \u0648\u0638\u0631\u0648\u0641 \u0631\u0637\u0648\u0628\u0629 \u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0648\u062d\u0627\u0644\u0627\u062a \u062f\u0645\u0643 \u0645\u062a\u0639\u062f\u062f\u0629\u060c \u0628\u0645\u0627 \u064a\u0639\u0632\u0632 \u0642\u0627\u0628\u0644\u064a\u0629 \u062a\u0639\u0645\u064a\u0645 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0648\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645.\r\n<\/p><p style='text-align:right;'><strong>\u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0645\u0641\u062a\u0627\u062d\u064a\u0629: <\/strong> \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0644\u064a\u0641\u0648\u0631\u0646\u064a\u0629\u061b \u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642 \u0627\u0644\u0645\u062e\u0631\u0648\u0637\u064a \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u061b \u062a\u0648\u0635\u064a\u0641 \u062a\u0631\u0628\u0629 \u0627\u0644\u062a\u0623\u0633\u064a\u0633\u061b \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u064a\u0646 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062d\u0642\u0644\u064a\u0629 \u0648\u0627\u0644\u0645\u062e\u0628\u0631\u064a\u0629\u061b \u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0631\u0635\u0641\u0627\u062a\u061b \u0628\u0648\u0631\u062a\u0633\u0648\u062f\u0627\u0646.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_joinchat":[],"footnotes":""},"class_list":["post-16619","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages\/16619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/comments?post=16619"}],"version-history":[{"count":1,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages\/16619\/revisions"}],"predecessor-version":[{"id":16645,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages\/16619\/revisions\/16645"}],"wp:attachment":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/media?parent=16619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}