{"id":2286,"date":"2024-07-21T02:15:10","date_gmt":"2024-07-21T02:15:10","guid":{"rendered":"https:\/\/www.railgrindingwheel.com\/?p=2286"},"modified":"2026-06-23T07:11:56","modified_gmt":"2026-06-23T07:11:56","slug":"rail-track-repair-and-maintenance","status":"publish","type":"post","link":"https:\/\/www.railgrindingwheel.com\/pt\/rail-track-repair-and-maintenance\/","title":{"rendered":"Reparo e manuten\u00e7\u00e3o de trilhos ferrovi\u00e1rios"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2286\" class=\"elementor elementor-2286\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e24271c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e24271c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0584258\" data-id=\"0584258\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d756e57 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"d756e57\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Rail Track Repair And Maintenance<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1ac0b8 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"d1ac0b8\" data-element_type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__d1ac0b8\" aria-expanded=\"true\" aria-label=\"Abrir o \u00edndice\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__d1ac0b8\" aria-expanded=\"true\" aria-label=\"Fechar \u00edndice\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__d1ac0b8\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/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-82c81b3 elementor-widget elementor-widget-image\" data-id=\"82c81b3\" 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\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"612\" height=\"408\" src=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2024\/07\/istockphoto-459017281-612x612-1.jpg\" class=\"attachment-large size-large wp-image-2292\" alt=\"Rail Track Repair And Maintenance\" srcset=\"https:\/\/www.railgrindingwheel.com\/wp-content\/uploads\/2024\/07\/istockphoto-459017281-612x612-1.jpg 612w, https:\/\/www.railgrindingwheel.com\/wp-content\/smush-webp\/2024\/07\/istockphoto-459017281-612x612-1-300x200.jpg.webp 300w\" sizes=\"(max-width: 612px) 100vw, 612px\" data-smush-webp-fallback=\"{&quot;srcset&quot;:&quot;https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/istockphoto-459017281-612x612-1.jpg 612w, https:\\\/\\\/www.railgrindingwheel.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/istockphoto-459017281-612x612-1-300x200.jpg 300w&quot;}\" \/>\t\t\t\t\t\t\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-0bea582 elementor-widget elementor-widget-text-editor\" data-id=\"0bea582\" 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<div class=\"gb-container gb-container-c9a911f0\"><div class=\"gb-container gb-container-c9a911f0\"><p class=\"gb-headline gb-headline-9a2b46ee gb-headline-text\">The mechanical wear on the railway line is gradually increasing, and the geometric dimensions of the track, ballast, and subgrade are gradually deformed. Especially the large damage to the track structure and its parts, causing serious railroad track deformation. Therefore, it is particularly important to repair and maintain railroad track.<\/p><\/div><div class=\"gb-container gb-container-eb4ebb3c\"><div class=\"dynamic-entry-content\"><p>The\u00a0<a href=\"https:\/\/railroadrails.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">railroad track<\/a>\u00a0is continuously under force impact from trains in the long-term harsh natural environment. The purpose of railroad track repair and maintenance is to find diseases and potential hidden dangers through inspecting the railway line and finding out the causes. Then take measures such as using\u00a0<a href=\"https:\/\/railroadrails.com\/rail-maintenance-equipment\/\" target=\"_blank\" rel=\"noreferrer noopener\">rail maintenance equipment<\/a>\u00a0to eliminate or reduce the effects of the diseases as much as possible. By doing so, the railway lines are kept in good condition for uninterrupted, safe, and smooth running.<\/p><h2 class=\"wp-block-heading\">Common problems in a railroad track<\/h2><ol class=\"wp-block-list\"><li><strong>Rail creep <\/strong>When the train wheels run along the rails, vertical force, lateral force, and longitudinal horizontal force are generated. The longitudinal force causes the rail to move longitudinally along the sleepers. This phenomenon is called rail creep.<\/li><\/ol><ol class=\"wp-block-list\" start=\"2\"><li><strong>Rail damage <\/strong>Rail damage is mainly referred to as the uneven surface of the rails. The changes in the prescribed dimensions of the track caused by railroad rail quality, design errors, construction deviation and wheel-rail effects such as vehicle load, speed, crawling, etc., are ultimately reflected as damage to the rails.<\/li><\/ol><figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\" data-wp-editing=\"1\"><figure class=\"wp-block-image size-large is-style-rounded\"><img decoding=\"async\" class=\"wp-image-3815 aligncenter lazyload\" data-src=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-damage-flaking.jpg\" data-sizes=\"auto, (max-width: 360px) 100vw, 360px\" data-srcset=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-damage-flaking.jpg 360w, https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-damage-flaking-300x204.jpg 300w\" alt=\"rail-damage-flaking\" width=\"360\" height=\"245\" data-id=\"3815\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 360px; --smush-placeholder-aspect-ratio: 360\/245;\" \/><figcaption class=\"wp-element-caption\">rail surface flaking<\/figcaption><\/figure><figure class=\"wp-block-image size-full is-style-rounded\"><img decoding=\"async\" class=\"wp-image-3814 aligncenter lazyload\" data-src=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-damage-corrugation.jpg\" data-sizes=\"auto, (max-width: 360px) 100vw, 360px\" data-srcset=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-damage-corrugation.jpg 360w, https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-damage-corrugation-300x204.jpg 300w\" alt=\"rail-damage-corrugation\" width=\"360\" height=\"245\" data-id=\"3814\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 360px; --smush-placeholder-aspect-ratio: 360\/245;\" \/><figcaption class=\"wp-element-caption\">rail corrugation damage<\/figcaption><\/figure><\/figure><ul class=\"wp-block-list\"><li>Rail uneven welding<\/li><li>Ballast imprint on rail<\/li><li>Rail collapse<\/li><li>Rail corrugation<\/li><li>Rail surface fatigue<\/li><li>Rail side wear<\/li><\/ul><ol class=\"wp-block-list\" start=\"3\"><li><strong>Joint <\/strong>The rail joints are wrongly threaded up and down. One reason is that there is a height difference between the old and newly laid rails. Another reason is there is abrasion on one end of the rail joints or the loose of track bolt.<\/li><\/ol><div class=\"wp-block-image is-style-rounded\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"wp-image-3816 lazyload\" data-src=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-joint-uneven.jpg\" data-sizes=\"auto, (max-width: 625px) 100vw, 625px\" data-srcset=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-joint-uneven.jpg 625w, https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-joint-uneven-300x185.jpg 300w\" alt=\"rail-joint-uneven\" width=\"625\" height=\"385\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 625px; --smush-placeholder-aspect-ratio: 625\/385;\" \/><figcaption class=\"wp-element-caption\">uneven rail joint<\/figcaption><\/figure><\/div><ol class=\"wp-block-list\" start=\"4\"><li><strong>Ballast <\/strong>The ballast is an important part of evenly spreading the load and providing the track\u2019s vertical and horizontal resistance and elasticity. Under the repeated action of the long-term vibration load of the train, the ballast will appear diseases such as knots, decreased elasticity, and cut into the roadbed.<\/li><\/ol><h2 class=\"wp-block-heading\">Measures to repair and maintain railroad track<\/h2><p>The measures to prevent rail creep are mainly to increase the vertical length of the line and strengthen the anti-climbing between the sleeper and the trackbed. The method is to maintain the standard cross-section of the trackbed, ensure that the thickness of the sleeper underground ballast is sufficient, the ballast inside the sleeper is full, and the ballast shoulders at both ends of the sleeper are wide enough. Strengthen tamping, keep the track smooth, and compact the trackbed.<\/p><p>The first way to deal with rail damage is\u00a0<a href=\"https:\/\/railroadrails.com\/knowlege\/rail-grinding\/\" target=\"_blank\" rel=\"noreferrer noopener\">rail grinding<\/a>. According to maintenance experience at home and abroad, rail grinding can improve the wheel-rail contact state, \u00a0and prevent the occurrence and expansion of cracks and reduce the workload of rail maintenance.<\/p><div class=\"wp-block-image is-style-rounded\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"wp-image-3820 aligncenter lazyload\" data-src=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/railroad-track-repair-grinding.jpg\" data-sizes=\"auto, (max-width: 625px) 100vw, 625px\" data-srcset=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/railroad-track-repair-grinding.jpg 625w, https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/railroad-track-repair-grinding-300x185.jpg 300w\" alt=\"railroad-track-repair-grinding\" width=\"625\" height=\"385\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 625px; --smush-placeholder-aspect-ratio: 625\/385;\" \/><figcaption class=\"wp-element-caption\">rail-grinding<\/figcaption><\/figure><\/div><p>The track bolts should reach the required torque. Use an iron or bent rail joints to correct the left and right, up and down the thread of rails. Keep the distance between two sections of rails within 8mm.<\/p><p>The ballast should always be kept full, even and tidy, and should be cleaned according to the unclean condition of the trackbed. Combined with comprehensive maintenance, to maintain the elasticity of the trackbed and good drainage.<\/p><h2 class=\"wp-block-heading\">Other maintenance work<\/h2><ul class=\"wp-block-list\"><li>Renovate line signs and crossing signs.<\/li><li>Protect and reinforce equipment, renovate and maintain drainage ditch and subgrade.<\/li><li>Renovate the geometric state of railway track, including adjusting anti-creep locking line, adjusting rail seam, smoothing line, correcting rail bottom slope, correcting gauge, correcting direction, etc.<\/li><li>Regularly update and maintain the connecting parts, sleepers and rails.<\/li><\/ul><p>Most of the maintenance and repair work of railroad track is based on periodic repairs, including key repairs and regular inspections, periodic track comprehensive maintenance, periodic track update or overhaul.<\/p><div class=\"wp-block-image is-style-rounded\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" class=\"wp-image-3817 lazyload\" data-src=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-joint-welding-repair.jpg\" data-sizes=\"auto, (max-width: 625px) 100vw, 625px\" data-srcset=\"https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-joint-welding-repair.jpg 625w, https:\/\/railroadrails.com\/wp-content\/uploads\/2020\/10\/rail-joint-welding-repair-300x185.jpg 300w\" alt=\"rail-joint-welding-repair\" width=\"625\" height=\"385\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 625px; --smush-placeholder-aspect-ratio: 625\/385;\" \/><figcaption class=\"wp-element-caption\">Welding-repair<\/figcaption><\/figure><\/div><p>If certain sections of the railway are inspected and the track is unstable, the staff will carry out reinforcement treatment. If it is broken, then only replace the parts. There are a large number of parts in the maintenance warehouse. These parts are all section by section, and changing the track does not require too much manpower. There are special fully automatic track-changing vehicles for maintenance. Because of the strong logistical support, even if problems arise, they can be resolved in a short time. It will not affect the operation and passage of trains.<\/p><p>Of course, the above situation can only be adopted when the problem is relatively simple and the handling is relatively smooth. Sometimes, when workers inspect the railway, they will find some parts that cannot be replaced in time. Then they can only adopt the method of welding. Workers will perform thermite welding on the parts where the problem occurs. This method is not very difficult, and the welded objects have extremely high firmness. This method is commonly used in the majority of railways.<\/p><\/div><\/div><\/div>\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-6e6df0d elementor-post-navigation-borders-yes elementor-widget elementor-widget-post-navigation\" data-id=\"6e6df0d\" data-element_type=\"widget\" data-widget_type=\"post-navigation.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation\">\n\t\t\t<div class=\"elementor-post-navigation__prev elementor-post-navigation__link\">\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation__separator-wrapper\">\n\t\t\t\t\t<div class=\"elementor-post-navigation__separator\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-post-navigation__next elementor-post-navigation__link\">\n\t\t\t\t\t\t\t<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Rail Track Repair And Maintenance Table of Contents The mechanical wear on the railway line is gradually increasing, and the geometric dimensions of the track, ballast, and subgrade are gradually deformed. Especially the large damage to the track structure and its parts, causing serious railroad track deformation. Therefore, it is particularly important to repair and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2292,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"boxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"disabled","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"disabled","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[88],"tags":[],"class_list":["post-2286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rail Track Repair And Maintenance | Rail Grinding Wheel<\/title>\n<meta name=\"description\" content=\"Rail Track Repair And Maintenance. 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Especially the large damage to the track structure and its parts, causing serious railroad track deformation. 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