{"id":72780,"date":"2018-03-01T06:22:55","date_gmt":"2018-03-01T06:22:55","guid":{"rendered":"http:\/\/fabricdigital.com.au\/grt\/?page_id=72780"},"modified":"2024-05-28T06:43:46","modified_gmt":"2024-05-28T06:43:46","slug":"grt-polymer-cement-modifier","status":"publish","type":"page","link":"https:\/\/globalroadtechnology.com\/grt-polymer-cement-modifier\/","title":{"rendered":"GRT: Polymer Cement Modifier"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;4&#8243; bottom_padding=&#8221;4&#8243; back_color=&#8221;color-wayh&#8221; back_image=&#8221;78752&#8243; back_repeat=&#8221;no-repeat&#8221; back_position=&#8221;center top&#8221; overlay_color=&#8221;color-wayh&#8221; overlay_alpha=&#8221;0&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; row_height_pixel=&#8221;450px&#8221; css=&#8221;.vc_custom_1622526408946{padding-top: 30px !important;padding-bottom: 20px !important;}&#8221;][vc_column column_width_percent=&#8221;100&#8243; position_horizontal=&#8221;left&#8221; gutter_size=&#8221;0&#8243; style=&#8221;dark&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;5&#8243; mobile_width=&#8221;0&#8243; css_animation=&#8221;right-t-left&#8221; animation_speed=&#8221;200&#8243; animation_delay=&#8221;100&#8243; width=&#8221;6\/12&#8243;][vc_custom_heading text_color=&#8221;color-xsdn&#8221; heading_semantic=&#8221;p&#8221; text_size=&#8221;&#8221; text_weight=&#8221;700&#8243; text_height=&#8221;fontheight-973337&#8243; separator=&#8221;yes&#8221; separator_color=&#8221;yes&#8221;]<\/p>\n<h1>GRT PCM:<br \/>\nHigh-Quality Polymer Cement Modifier<\/h1>\n<p>[\/vc_custom_heading][vc_empty_space empty_h=&#8221;1&#8243;][vc_custom_heading text_size=&#8221;h3&#8243; text_weight=&#8221;300&#8243; text_height=&#8221;fontheight-163557&#8243;]Cracking of cemented gravels used in road construction have historically limited their use to specific applications; whereas if the cracking can be reduced or eliminated, their use could be extended to a much wider range of applications.[\/vc_custom_heading][\/vc_column][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; style=&#8221;dark&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_visibility=&#8221;yes&#8221; medium_width=&#8221;0&#8243; mobile_visibility=&#8221;yes&#8221; mobile_width=&#8221;0&#8243; width=&#8221;6\/12&#8243;][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;0&#8243; bottom_padding=&#8221;1&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;1&#8243;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_fixed=&#8221;yes&#8221; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/1&#8243;][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;4&#8243; shift_y=&#8221;0&#8243; limit_content=&#8221;&#8221;][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; sticky=&#8221;yes&#8221; width=&#8221;1\/2&#8243;][vc_empty_space empty_h=&#8221;2&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][vc_column_text text_lead=&#8221;yes&#8221;]Based on the proven use of polymers in specialised structural concrete, Global Road Technology have developed Polymer Cement Modifier (PCM) to be used in combination with traditional cementitious stabilizing agents that are currently used in road construction. The goal was to overcome the shortcomings and improve properties of using cementitious materials alone. GRT\u2019s PCM, not only reduces shrinkage cracking but can also provide increased compressive strength and reduced water demand.[\/vc_column_text][vc_button button_color=&#8221;accent&#8221; size=&#8221;btn-lg&#8221; radius=&#8221;btn-round&#8221; border_width=&#8221;0&#8243; button_color_type=&#8221;uncode-palette&#8221; uncode_shortcode_id=&#8221;684870&#8243; link=&#8221;url:https%3A%2F%2Fglobalroadtechnology.com%2Fgrt-polymer-cement-modifier%2F%23form15&#8243;]request info &#038; free quote[\/vc_button][vc_empty_space empty_h=&#8221;5&#8243; desktop_visibility=&#8221;yes&#8221;][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;0&#8243; override_padding=&#8221;yes&#8221; column_padding=&#8221;0&#8243; style=&#8221;dark&#8221; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;-5&#8243; shift_y_fixed=&#8221;yes&#8221; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; shadow_responsive=&#8221;yes&#8221; width=&#8221;1\/2&#8243;][vc_single_image media=&#8221;78751&#8243; media_width_percent=&#8221;100&#8243; alignment=&#8221;center&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;3&#8243; bottom_padding=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_use_pixel=&#8221;yes&#8221; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; column_width_pixel=&#8221;1200px&#8221;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/1&#8243;][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;4&#8243; shift_y=&#8221;0&#8243; limit_content=&#8221;&#8221;][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243;][vc_separator sep_color=&#8221;accent&#8221;][vc_empty_space empty_h=&#8221;2&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][vc_column_text text_lead=&#8221;yes&#8221;]Hardened conventional cement paste has mainly an agglomerated structure of calcium silicate hydrates and calcium hydroxide bound together by the weak intermolecular forces. Consequently, microcracks occur easily in the cured material under stress. That is why ordinary cement mortar and concrete have poor tensile strength and fracture toughness. On the other side, in the polymer modified cement, it appears that the microcracks are bridged by the polymer films which prevent crack propagation, and simultaneously, a strong cement hydrate-aggregate bond is developed.[\/vc_column_text][vc_column_text]PCM also has a sealing effect to the formed structure and thus provide a considerable increase in toughness, waterproofing characteristics, resistance to chemical penetration, and freeze-thaw durability. Depending on traffic volumes, gravel characteristics and environmental conditions at the time, GRT\u2019s PCM blend pavements can generally be trafficked immediately after final compaction; and once cured, provides a durable temporary running surface for construction traffic without the risk of suffering from degree of saturation failures that occur with unbound gravels. On larger projects, we can also formulate our additive to meet project specific requirements with regard to setting times.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243;][vc_separator sep_color=&#8221;accent&#8221;][vc_empty_space empty_h=&#8221;2&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][vc_column_text]A simplified description of the process for the creation of polymer modified cement is outlined below: After mixing with water, the cement paste particles start to hydrate and cement gel gradually forms on the surface of the cement particles. The unhydrated cement particles covered with cement gel is being enveloped with a closely packed layer of introduced polymer particles. The water removes by cement hydration and evaporation, and the closely packed polymer particles, positioned on the cement hydrates, integrate into continuous membranes. The membranes bind the cement hydrates together to form a monolithic network with the polymer providing increased flexibility and providing an improved barrier against uncontrolled drying of cement particles.[\/vc_column_text][vc_column_text]The binder should be added in sufficient quantity to balance both strength and shrinkage requirements to produce a bound material with significant toughness and fatigue strength to carry the design traffic loading. In most cases, cementitious contents for GRT polymer mix designs are limited to 2 to 3%. Even at these low dosages, we have found 28 day UCS results for some gravels to be in excess of 5MPa. Our testing has also found that depending on the gravel characteristics, the results achieved by GRT PCM with cement exceeds that sum of individual UCS test results of the cement and polymer alone thereby indicating that cross-linking of the cementitious binder and polymer has occurred.\u00a0Our testing have also found that the PCM acts in a similar way to a water reducing agent in structural concrete.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;2&#8243; bottom_padding=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;3&#8243; column_width_use_pixel=&#8221;yes&#8221; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; column_width_pixel=&#8221;1200px&#8221;][vc_column column_width_percent=&#8221;100&#8243; gutter_size=&#8221;3&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/1&#8243;][vc_row_inner row_inner_height_percent=&#8221;0&#8243; overlay_alpha=&#8221;50&#8243; gutter_size=&#8221;4&#8243; shift_y=&#8221;0&#8243; limit_content=&#8221;&#8221;][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243;][vc_separator sep_color=&#8221;accent&#8221;][vc_empty_space empty_h=&#8221;2&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][vc_custom_heading text_color=&#8221;accent&#8221; text_size=&#8221;h3&#8243; text_weight=&#8221;300&#8243; uncode_shortcode_id=&#8221;209917&#8243; text_color_type=&#8221;uncode-palette&#8221;]<strong><span style=\"color: #ff6600;\">GRT PCM Advantages:<\/span><\/strong>[\/vc_custom_heading][vc_custom_heading text_color=&#8221;color-110499&#8243; heading_semantic=&#8221;h4&#8243; text_size=&#8221;&#8221; text_weight=&#8221;600&#8243; text_transform=&#8221;capitalize&#8221;]<span style=\"text-transform: uppercase;\">Advantages of GRT polymer modified cement when compared to conventional cement stabilised or treated pavements include:<\/span>[\/vc_custom_heading][uncode_list icon=&#8221;fa fa-arrow-right2&#8243; icon_color=&#8221;accent&#8221;]<\/p>\n<ul>\n<li>Significantly reduced or eliminated shrinkage cracking<\/li>\n<li>Rapid curing at ambient temperatures<\/li>\n<li>Higher tensile, flexural, and compressive strengths for the same cement content<\/li>\n<li>Improved vibration dampening<\/li>\n<li>Improved adhesion to most surfacings<\/li>\n<li>Improved long-term durability with respect to freeze and thaw cycles<\/li>\n<li>Lower permeability to water and aggressive solutions<\/li>\n<li>Improved chemical resistance<\/li>\n<\/ul>\n<p>[\/uncode_list][vc_column_text text_lead=&#8221;yes&#8221;]Improved workability i.e. requires less compactive effort for a given depth of compaction and can be compacted in greater single lifts[\/vc_column_text][vc_empty_space empty_h=&#8221;1&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][\/vc_column_inner][vc_column_inner column_width_percent=&#8221;100&#8243; gutter_size=&#8221;2&#8243; overlay_alpha=&#8221;50&#8243; shift_x=&#8221;0&#8243; shift_y=&#8221;0&#8243; shift_y_down=&#8221;0&#8243; z_index=&#8221;0&#8243; medium_width=&#8221;0&#8243; mobile_width=&#8221;0&#8243; width=&#8221;1\/2&#8243;][vc_separator sep_color=&#8221;accent&#8221;][vc_empty_space empty_h=&#8221;2&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][vc_custom_heading text_color=&#8221;accent&#8221; text_size=&#8221;h3&#8243; text_weight=&#8221;300&#8243; uncode_shortcode_id=&#8221;198724&#8243; text_color_type=&#8221;uncode-palette&#8221;]<strong><span style=\"color: #ff6600;\">Applications:<\/span><\/strong>[\/vc_custom_heading][vc_custom_heading text_color=&#8221;color-110499&#8243; heading_semantic=&#8221;h4&#8243; text_size=&#8221;&#8221; text_weight=&#8221;600&#8243; text_transform=&#8221;capitalize&#8221;]<span style=\"text-transform: uppercase;\">Due to its advanced properties GRT polymer modified cement has numerous potential applications:<\/span>[\/vc_custom_heading][uncode_list icon=&#8221;fa fa-arrow-right2&#8243; icon_color=&#8221;accent&#8221; uncode_shortcode_id=&#8221;139138&#8243; icon_color_type=&#8221;uncode-palette&#8221; el_id=&#8221;form15&#8243;]<\/p>\n<ul>\n<li>Rehabilitation and strengthening of existing granular pavements;<\/li>\n<li>Recycling of existing cement stabilized pavements which are exhibiting extensive shrinkage cracking;<\/li>\n<li>Construction of pavements and\/or working platforms in limited or constrained construction times;<\/li>\n<li>In areas susceptible to high rainfall or inundation;<\/li>\n<li>Over soft ground conditions where stiff bridging layers are required to compact overlying materials;<\/li>\n<li>Where temporary trafficking of the pavement may be required during different stages of construction;<\/li>\n<li>When preferred maximising of use of local materials and for making marginal pavement gravels suitable for purpose;<\/li>\n<li>Modification or improvement of non-organic subgrade conditions;<\/li>\n<li>Where construction water availability is limited as GRT polymer modified cement reduces construction water requirements and depending on the water quality may enable the use of non-potable water.<\/li>\n<\/ul>\n<p>[\/uncode_list][vc_empty_space empty_h=&#8221;1&#8243; medium_visibility=&#8221;yes&#8221; mobile_visibility=&#8221;yes&#8221;][\/vc_column_inner][\/vc_row_inner][vc_raw_html]JTVCZm9ybWluYXRvcl9mb3JtJTIwaWQlM0QlMjI4MTk2MCUyMiU1RA==[\/vc_raw_html][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/1&#8243;][uncode_block id=&#8221;73392&#8243;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row row_height_percent=&#8221;0&#8243; override_padding=&#8221;yes&#8221; h_padding=&#8221;2&#8243; top_padding=&#8221;4&#8243; bottom_padding=&#8221;4&#8243; back_color=&#8221;color-wayh&#8221; back_image=&#8221;78752&#8243; back_repeat=&#8221;no-repeat&#8221; back_position=&#8221;center top&#8221; overlay_color=&#8221;color-wayh&#8221; overlay_alpha=&#8221;0&#8243; gutter_size=&#8221;3&#8243; column_width_percent=&#8221;100&#8243; shift_y=&#8221;0&#8243; z_index=&#8221;0&#8243; row_height_pixel=&#8221;450px&#8221; css=&#8221;.vc_custom_1622526408946{padding-top: 30px [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":72781,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-72780","page","type-page","status-publish","has-post-thumbnail","hentry","page_category-grt-products"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GRT PCM: Premium Polymer Cement Modifier<\/title>\n<meta name=\"description\" content=\"GRT PCM reduces shrinkage and cracking on cemented gravels and also provides increased compressive strength and reduced water demand.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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