{"id":279,"date":"2025-03-10T16:21:01","date_gmt":"2025-03-10T07:21:01","guid":{"rendered":"https:\/\/kwangsunggm2.mycafe24.com\/en\/?page_id=279"},"modified":"2025-03-17T10:14:21","modified_gmt":"2025-03-17T01:14:21","slug":"csp","status":"publish","type":"page","link":"https:\/\/grouting.co.kr\/en\/technology\/csp\/","title":{"rendered":"Co-injection molding steel pipe"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"279\" class=\"elementor elementor-279\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6bfb13b e-con-full e-flex e-con e-parent\" data-id=\"6bfb13b\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-978329f elementor-widget elementor-widget-shortcode\" data-id=\"978329f\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"container\" data-elementor-id=\"229\" class=\"elementor elementor-229\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d9b6ce e-con-full e-flex e-con e-parent\" data-id=\"7d9b6ce\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-3f6fcc0 e-flex e-con-boxed e-con e-child\" data-id=\"3f6fcc0\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57188bc elementor-widget elementor-widget-heading\" data-id=\"57188bc\" 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\">TECHNOLOGY<\/h2>\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-afcb334 e-con-full elementor-hidden-tablet elementor-hidden-mobile e-flex e-con e-child\" data-id=\"afcb334\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;absolute&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7a0f7b raven-nav-menu-align-center raven-nav-menu-stretch raven-breakpoint-mobile raven-mobile-nav-menu-align-left elementor-widget elementor-widget-raven-nav-menu\" data-id=\"e7a0f7b\" data-element_type=\"widget\" data-settings=\"{&quot;submenu_icon&quot;:&quot;&lt;svg 0=\\&quot;fas fa-chevron-down\\&quot; class=\\&quot;e-font-icon-svg e-fas-chevron-down\\&quot;&gt;\\n\\t\\t\\t\\t\\t&lt;use xlink:href=\\&quot;#fas-chevron-down\\&quot;&gt;\\n\\t\\t\\t\\t\\t\\t&lt;symbol id=\\&quot;fas-chevron-down\\&quot; viewBox=\\&quot;0 0 448 512\\&quot;&gt;\\n\\t\\t\\t\\t\\t\\t\\t&lt;path d=\\&quot;M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\\&quot;&gt;&lt;\\\/path&gt;\\n\\t\\t\\t\\t\\t\\t&lt;\\\/symbol&gt;\\n\\t\\t\\t\\t\\t&lt;\\\/use&gt;\\n\\t\\t\\t\\t&lt;\\\/svg&gt;&quot;,&quot;full_width&quot;:&quot;stretch&quot;,&quot;mobile_layout&quot;:&quot;dropdown&quot;,&quot;submenu_space_between&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;submenu_opening_position&quot;:&quot;bottom&quot;}\" data-widget_type=\"raven-nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<nav class=\"raven-nav-menu-main raven-nav-menu-horizontal raven-nav-menu-tablet- raven-nav-menu-mobile- raven-nav-icons-hidden-tablet raven-nav-icons-hidden-mobile\">\n\t\t\t<ul id=\"menu-e7a0f7b\" class=\"raven-nav-menu\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-226\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/stp\/\" class=\"raven-menu-item raven-link-item \">Multistage Grouting Method<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-302\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/csp\/\" class=\"raven-menu-item raven-link-item \">Co-injection molding steel pipe<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-307\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/nail\/\" class=\"raven-menu-item raven-link-item \">Nailing Method Steel Pipe<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-361\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/cgr\/\" class=\"raven-menu-item raven-link-item \">Reinforcement Grouting Methods<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-379\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/scr\/\" class=\"raven-menu-item raven-link-item \">Seamless Reinforcement<\/a><\/li>\n<\/ul>\t\t<\/nav>\n\n\t\t<div class=\"raven-nav-menu-toggle\">\n\n\t\t\t\t\t\t<div class=\"raven-nav-menu-toggle-button \">\n\t\t\t\t\t\t\t\t<span class=\"fa fa-bars\"><\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<\/div>\n\t\t<nav class=\"raven-nav-icons-hidden-tablet raven-nav-icons-hidden-mobile raven-nav-menu-mobile raven-nav-menu-dropdown\">\n\t\t\t\t\t\t\t\t\t<div class=\"raven-container\">\n\t\t\t\t<ul id=\"menu-mobile-e7a0f7b\" class=\"raven-nav-menu\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-226\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/stp\/\" class=\"raven-menu-item raven-link-item \">Multistage Grouting Method<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-302\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/csp\/\" class=\"raven-menu-item raven-link-item \">Co-injection molding steel pipe<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-307\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/nail\/\" class=\"raven-menu-item raven-link-item \">Nailing Method Steel Pipe<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-361\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/cgr\/\" class=\"raven-menu-item raven-link-item \">Reinforcement Grouting Methods<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-379\"><a href=\"https:\/\/grouting.co.kr\/en\/technology\/scr\/\" class=\"raven-menu-item raven-link-item \">Seamless Reinforcement<\/a><\/li>\n<\/ul>\t\t\t<\/div>\n\t\t<\/nav>\n\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>\n\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-2f0ce3e e-con-full e-flex e-con e-parent\" data-id=\"2f0ce3e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88d4b14 elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-raven-image\" data-id=\"88d4b14\" data-element_type=\"widget\" data-widget_type=\"raven-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-image\">\n\t\t\n\t\t\n\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"988\" height=\"87\" src=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/sym.png\" class=\"attachment-full size-full wp-image-100\" alt=\"\" srcset=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/sym.png 988w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/sym-300x26.png 300w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/sym-768x68.png 768w\" sizes=\"(max-width: 988px) 100vw, 988px\" \/>\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-bde026b elementor-align-center elementor-widget elementor-widget-raven-heading\" data-id=\"bde026b\" data-element_type=\"widget\" data-widget_type=\"raven-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\"><h2 class=\"raven-heading raven-heading-h2\"><span class=\"raven-heading-title \">Co-injection molding steel pipe<\/span><\/h2><\/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-445cd85 elementor-align-center elementor-widget elementor-widget-raven-divider\" data-id=\"445cd85\" data-element_type=\"widget\" data-widget_type=\"raven-divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\">\n\t\t\t<div class=\"raven-divider\">\n\t\t\t\t<span class=\"raven-divider-line raven-divider-solid\"><\/span>\n\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>\n\t\t<div class=\"elementor-element elementor-element-69e5604 e-flex e-con-boxed e-con e-parent\" data-id=\"69e5604\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-860cf0a elementor-align-center elementor-widget elementor-widget-raven-heading\" data-id=\"860cf0a\" data-element_type=\"widget\" data-widget_type=\"raven-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\"><h2 class=\"raven-heading raven-heading-h2\"><span class=\"raven-heading-title \">Overview of Multiple (Simultaneous) Grouting Methods<\/span><\/h2><\/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-71d4111 elementor-widget elementor-widget-text-editor\" data-id=\"71d4111\" 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<p>This method is an excellent method in terms of economy as it can shorten the construction period <span class=\"mbr\"><br \/><\/span>by selectively integrating the steel pipe with the surrounding ground and forming a beam arch in the form of an umbrella, <span class=\"mbr\"><br \/><\/span>and obtaining the secondary and reinforcement effects (bending and shear) simultaneously through the inner pipe installed <span class=\"mbr\"><br \/><\/span>in the steel pipe without sealing work after installing the steel pipe with a specially manufactured multi-(simultaneous) grouting injection <span class=\"mbr\"><br \/><\/span>device in an appropriate shape at the factory before tunnel excavation.<\/p>\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<div class=\"elementor-element elementor-element-c415e87 e-flex e-con-boxed e-con e-parent\" data-id=\"c415e87\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-711d54b elementor-widget elementor-widget-raven-divider\" data-id=\"711d54b\" data-element_type=\"widget\" data-widget_type=\"raven-divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\">\n\t\t\t<div class=\"raven-divider\">\n\t\t\t\t<span class=\"raven-divider-line raven-divider-solid\"><\/span>\n\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-f7f57e5 elementor-align-center elementor-widget elementor-widget-raven-heading\" data-id=\"f7f57e5\" data-element_type=\"widget\" data-widget_type=\"raven-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\"><h2 class=\"raven-heading raven-heading-h2\"><span class=\"raven-heading-title \">Multiple (simultaneous) steel pipe structures and System<\/span><\/h2><\/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-92e2e1c elementor-widget elementor-widget-raven-image\" data-id=\"92e2e1c\" data-element_type=\"widget\" data-widget_type=\"raven-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-image\">\n\t\t\n\t\t\n\t\t<img decoding=\"async\" width=\"1300\" height=\"491\" src=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm1.png\" class=\"attachment-full size-full wp-image-282\" alt=\"\" srcset=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm1.png 1300w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm1-300x113.png 300w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm1-1024x387.png 1024w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm1-768x290.png 768w\" sizes=\"(max-width: 1300px) 100vw, 1300px\" \/>\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-b76de31 e-flex e-con-boxed e-con e-parent\" data-id=\"b76de31\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&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-fb8fc15 elementor-align-center elementor-widget elementor-widget-raven-heading\" data-id=\"fb8fc15\" data-element_type=\"widget\" data-widget_type=\"raven-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\"><h2 class=\"raven-heading raven-heading-h2\"><span class=\"raven-heading-title \">Multiple (Simultaneous) Steel Pipe Bulkhead Installation Structure<\/span><\/h2><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-88f4ee5 e-flex e-con-boxed e-con e-child\" data-id=\"88f4ee5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db293f8 elementor-widget elementor-widget-raven-image\" data-id=\"db293f8\" data-element_type=\"widget\" data-widget_type=\"raven-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-image\">\n\t\t\n\t\t\n\t\t<img decoding=\"async\" width=\"941\" height=\"412\" src=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm2.png\" class=\"attachment-full size-full wp-image-283\" alt=\"\" srcset=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm2.png 941w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm2-300x131.png 300w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm2-768x336.png 768w\" sizes=\"(max-width: 941px) 100vw, 941px\" \/>\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\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-63d82fb e-flex e-con-boxed e-con e-parent\" data-id=\"63d82fb\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&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-a488c85 elementor-align-center elementor-widget elementor-widget-raven-heading\" data-id=\"a488c85\" data-element_type=\"widget\" data-widget_type=\"raven-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\"><h2 class=\"raven-heading raven-heading-h2\"><span class=\"raven-heading-title \">Features of the method<\/span><\/h2><\/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-eff96d3 overflow elementor-widget elementor-widget-html\" data-id=\"eff96d3\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<table class=\"cp_table\">\r\n    <colgroup>\r\n        <col class=\"col col1\">\r\n        <col class=\"col col2\">\r\n        <col class=\"col col3\">\r\n    <\/colgroup>\r\n    <thead>\r\n        <tr>\r\n            <th>Type<\/th>\r\n            <th>Multiple (Simultaneous) Grouting Methods <\/th>\r\n            <th>Traditional multi-step grouting method<\/th>\r\n        <\/tr>\r\n    <\/thead>\r\n    <tbody>\r\n        <tr>\r\n            <td class=\"first\" rowspan=\"2\">Method overview<\/td>\r\n            <td><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm7.png\"><\/td>\r\n            <td><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm8.png\"><\/td>\r\n        <\/tr>\r\n        <tr>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- A method of inserting and caulking a steel pipe with a factory-made multi-grouting injection device after drilling, and performing simultaneous or selective pressure grouting by installing a specially made partition packer inside the steel pipe without separate sealing work. <\/li>\r\n                <\/ul>\r\n            <\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- A method that inserts reinforcement after drilling, caulks the opening, injects seal material into the gap between the drilled hole and the reinforcement, and performs multi-stage pressure grouting using an air packer or hydraulic PAcker.<\/li>\r\n                <\/ul>\r\n            <\/td>\r\n        <\/tr>\r\n        <tr>\r\n            <td class=\"first\">Stiffeners<\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- Large Diameter Tunnel Reinforcement [\u03a6114.3mm,6T]<\/li>\r\n                    <li>- Small Bore Tunnel Reinforcement [\u03a660.5mm, 4T]<\/li>\r\n                <\/ul>\r\n            <\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- Large Diameter Tunnel Reinforcement [\u03a6114.3mm,6T]<\/li>\r\n                    <li>- Small Bore Tunnel Reinforcement [\u03a660.5mm, 4T]<\/li>\r\n                <\/ul>\r\n            <\/td>\r\n        <\/tr>\r\n        <tr>\r\n            <td class=\"first\">Strengths<\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- No sealing application time and curing time required<\/li>\r\n                    <li>- Air reduction with co-injection steel pipe<\/li>\r\n                    <li>- Environmentally friendly, mineral-based injectables<\/li>\r\n                    <li>- 2Mpa strength after 4 hours<\/li>\r\n                    <li>- Visual monitoring of infusion pressure, infusion volume  <\/li>\r\n                <\/ul>\r\n            <\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- The price per space is low<\/li>\r\n                    <li>- Lots of examples<\/li>\r\n                    <li>- Easy to make steel pipes<\/li>\r\n                <\/ul>\r\n            <\/td>\r\n        <\/tr>\r\n        <tr>\r\n            <td class=\"first\">Construction order<\/td>\r\n            <td>\r\n                Drilling \u2192 Reinforcement insertion \u2192 Caulking \u2192 Simultaneous injection, selective injection for each SETP\r\n            <\/td>\r\n            <td>\r\n               Drilling \u2192 Inserting reinforcement \u2192 Caulking \u2192 Sealing \u2192 Installing air packer \u2192 Multi-stage injection for each SETP\r\n            <\/td>\r\n        <\/tr>\r\n        <tr>\r\n            <td class=\"first\">Features<\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- The steel pipe's internal injection tube is matched with the reinforcement to act as a reinforcing bar, <span class=\"cblue\">increasing the stiffness of the reinforcement<\/span><\/li>\r\n                    <li>- Factory manufacturing of steel pipes and packers in steel pipes eliminates the need for a separate packer installation process on site, thus reducing <span class=\"cblue\">air consumption.<\/span> <\/li>\r\n                    <li>- By applying the multi-(simultaneous) injection method to the shortcomings of the existing process, <span class=\"cblue\">the sealing work process is not required,<\/span> and the process is simple and can be injected immediately at the desired time, so the <span class=\"cblue\">air reduction effect is large.<\/span>  <\/li>\r\n                    <li>- Easy to install and high construction quality.  <\/li>\r\n                <\/ul>\r\n            <\/td>\r\n            <td>\r\n                <ul class=\"cp_list\">\r\n                    <li>- Injected sealant, which is an additional process<\/li>\r\n                    <li>- Injected using Air Packer and by installing Packer from the bottom up.<\/li>\r\n                    <li>- Rich in construction history<\/li>\r\n                <\/ul>\r\n            <\/td>\r\n        <\/tr>\r\n    <\/tbody>\r\n<\/table>\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-9a91874 e-flex e-con-boxed e-con e-parent\" data-id=\"9a91874\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&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-b26c889 elementor-widget elementor-widget-raven-divider\" data-id=\"b26c889\" data-element_type=\"widget\" data-widget_type=\"raven-divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\">\n\t\t\t<div class=\"raven-divider\">\n\t\t\t\t<span class=\"raven-divider-line raven-divider-solid\"><\/span>\n\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-6963916 elementor-align-center elementor-widget elementor-widget-raven-heading\" data-id=\"6963916\" data-element_type=\"widget\" data-widget_type=\"raven-heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-widget-wrapper\"><h2 class=\"raven-heading raven-heading-h2\"><span class=\"raven-heading-title \">Tubular Model by System Type<\/span><\/h2><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-087cd7b e-con-full e-flex e-con e-child\" data-id=\"087cd7b\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28f6ca3 elementor-widget elementor-widget-html\" data-id=\"28f6ca3\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"st_tit\">\n    4Line 4Step\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4645305 elementor-widget elementor-widget-raven-image\" data-id=\"4645305\" data-element_type=\"widget\" data-widget_type=\"raven-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-image\">\n\t\t\n\t\t\n\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"234\" src=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm5.png\" class=\"attachment-full size-full wp-image-286\" alt=\"\" srcset=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm5.png 1200w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm5-300x59.png 300w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm5-1024x200.png 1024w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm5-768x150.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\t\t<\/div>\n\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-c45e782 e-con-full e-flex e-con e-child\" data-id=\"c45e782\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01e559f elementor-widget elementor-widget-html\" data-id=\"01e559f\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"st_tit\">\n    2Line 4Step\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa78fcd elementor-widget elementor-widget-raven-image\" data-id=\"aa78fcd\" data-element_type=\"widget\" data-widget_type=\"raven-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"raven-image\">\n\t\t\n\t\t\n\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"213\" src=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm6.png\" class=\"attachment-full size-full wp-image-287\" alt=\"\" srcset=\"https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm6.png 1200w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm6-300x53.png 300w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm6-1024x182.png 1024w, https:\/\/grouting.co.kr\/en\/wp-content\/uploads\/sites\/2\/2025\/03\/cm6-768x136.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\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>Co-injection molding steel pipe Overview of Multiple (Simultaneous) Grouting Methods This method is an excellent method in terms of economy as it can shorten the construction period by selectively integrating the steel pipe with the surrounding ground and forming a beam arch in the form of an umbrella, and obtaining the secondary and reinforcement effects [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":222,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width.php","meta":{"footnotes":""},"class_list":["post-279","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/pages\/279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/comments?post=279"}],"version-history":[{"count":22,"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/pages\/279\/revisions"}],"predecessor-version":[{"id":777,"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/pages\/279\/revisions\/777"}],"up":[{"embeddable":true,"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/pages\/222"}],"wp:attachment":[{"href":"https:\/\/grouting.co.kr\/en\/wp-json\/wp\/v2\/media?parent=279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}