{"id":758,"date":"2019-03-14T19:20:53","date_gmt":"2019-03-14T18:20:53","guid":{"rendered":"http:\/\/tellus-ing.com\/?page_id=758"},"modified":"2019-05-29T15:07:26","modified_gmt":"2019-05-29T13:07:26","slug":"mise-en-oeuvre-beton","status":"publish","type":"page","link":"https:\/\/tellus-ing.com\/en\/mise-en-oeuvre-beton\/","title":{"rendered":"Advices for the implementation of castables"},"content":{"rendered":"
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Advices for the implementation of refractory dense castables by casting \/ vibration<\/b><\/i><\/p>

TELLUS-CERAM's dense refractory castables are manufactured using carefully selected raw materials and under conditions that guarantee their quality.
Their performance will be good only if their implementation is carried out respecting essential conditions for the optimal development of their characteristics.<\/p>

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1 – CONSERVATION<\/u><\/b><\/p>

TELLUS-CERAM's dense refractory castables, like all hydraulic castables, must be stored in a dry place. Under these conditions, they can be kept for at least 6 months without alteration.<\/p>

Never use concrete if, at the opening of the bag, hard agglomerates are present.<\/p>

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2 - PREPARATION OF CASTABLE<\/u><\/b><\/p>

In any case, use only very clean equipment.
Whenever possible, work with a whole number of bags, without adding anything other than the mixing water.<\/p>

– Quality of the water<\/u>
The mixing water must be clean and potable, and its temperature preferably between 15 and 25 \u00b0 C. In cold weather, however, it may be necessary to use warmer water, so that the temperature of the concrete \/ water mixture is at least 15 \u00b0 C.<\/p>

– Amount of water<\/u>
The amount of water to add is indicated on the packaging. To optimize it, practice the so-called \"ball in hand\" test, or better, vibrate a small amount of product.
Overdose of water should be avoided, especially for castables with low and very low cement content. These castables are apparently dry at rest, but the vibration makes them very mobile.<\/p>

– Mixing<\/u>
For mechanical mixing, use a mixer with vertical axis (forbid concrete mixer). Clean and moisten the mixer before starting work.
Before adding water, quickly mix the concrete by running the mixer for a few seconds to dry.
Then introduce three quarters of the necessary water, then gradually add the rest of the water until the desired consistency.
Mix for a long time, at least three minutes: mixing too short will require a higher water addition, adversely affecting the mechanical properties of the concrete.<\/p>

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3 - INSTALLATION OF CASTABLE<\/u><\/b><\/p>

– Preparation<\/u>
Molds and formwork must be carefully waterproofed (using grease, paraffin, polyethylene sheets, etc.) so that the castable can not be deprived locally of the water necessary for its hydraulic setting.<\/div>
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– Setting up<\/u>
Castable must be poured and vibrated simultaneously, using external vibrators or vibrating needles.
It is not recommended to vibrate too much. The passage of the free surface of the concrete from a matt aspect to a shiny aspect indicates a maximum densification.
Avoid smoothing with a trowel.
The setting up of a mixer load must be completed 30 minutes after the end of mixing.<\/div>
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4 - DRYING AND COOKING<\/u><\/b><\/div>
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Formwork can be removed after 8 to 12 hours of hardening. In principle, keep the castable in a humid atmosphere at room temperature for at least 24 hours after curing.
The heating must be carried out taking into account the thickness and volume of the castable to be treated, each lining being a special case.<\/div>
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For common masonry, with a thickness of about 250 mm, and under normal conditions of evacuation of water vapor, drying and cooking will be conducted by raising the temperature:
- up to 600 \u00b0 C at a rate of 30 \u00b0 C \/ hour, respecting two stages of 6 hours at 150 and 400 \u00b0 C,
- above 600 \u00b0 C to 50 \u00b0 C \/ hour.<\/div>
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\u00a0For any additional information, or for the examination of particular cases, our technicians are at your disposal.<\/i><\/b><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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CONSEILS POUR LA MISE EN \u0152UVRE DES B\u00c9TONS R\u00c9FRACTAIRES DENSES PAR COULAGE \/ VIBRATION Les b\u00e9tons r\u00e9fractaires denses de TELLUS-CERAM sont fabriqu\u00e9s \u00e0 l’aide de mati\u00e8res premi\u00e8res soigneusement s\u00e9lectionn\u00e9es et dans des conditions propres \u00e0 garantir leur qualit\u00e9. Leur performance ne sera toutefois la meilleure possible que si leur mise en \u0153uvre est effectu\u00e9e en… Read More »Advices for the implementation of castables<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"class_list":["post-758","page","type-page","status-publish","hentry"],"yoast_head":"\nConseils pour la mise en \u0153uvre du b\u00e9ton - Tellus Ceram<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tellus-ing.com\/en\/mise-en-oeuvre-beton\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conseils pour la mise en \u0153uvre du b\u00e9ton - Tellus Ceram\" \/>\n<meta property=\"og:description\" content=\"CONSEILS POUR LA MISE EN \u0152UVRE DES B\u00c9TONS R\u00c9FRACTAIRES DENSES PAR COULAGE \/ VIBRATION Les b\u00e9tons r\u00e9fractaires denses de TELLUS-CERAM sont fabriqu\u00e9s \u00e0 l’aide de mati\u00e8res premi\u00e8res soigneusement s\u00e9lectionn\u00e9es et dans des conditions propres \u00e0 garantir leur qualit\u00e9. Leur performance ne sera toutefois la meilleure possible que si leur mise en \u0153uvre est effectu\u00e9e en… Read More »Conseils pour la mise en \u0153uvre du b\u00e9ton\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tellus-ing.com\/en\/mise-en-oeuvre-beton\/\" \/>\n<meta property=\"og:site_name\" content=\"Tellus Ceram\" \/>\n<meta property=\"article:modified_time\" content=\"2019-05-29T13:07:26+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tellus-ing.com\/mise-en-oeuvre-beton\/\",\"url\":\"https:\/\/tellus-ing.com\/mise-en-oeuvre-beton\/\",\"name\":\"Conseils pour la mise en \u0153uvre du b\u00e9ton - Tellus Ceram\",\"isPartOf\":{\"@id\":\"http:\/\/tellus-ing.com\/#website\"},\"datePublished\":\"2019-03-14T18:20:53+00:00\",\"dateModified\":\"2019-05-29T13:07:26+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/tellus-ing.com\/mise-en-oeuvre-beton\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/tellus-ing.com\/mise-en-oeuvre-beton\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/tellus-ing.com\/mise-en-oeuvre-beton\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"http:\/\/tellus-ing.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Conseils pour la mise en \u0153uvre du b\u00e9ton\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/tellus-ing.com\/#website\",\"url\":\"http:\/\/tellus-ing.com\/\",\"name\":\"Tellus Ceram\",\"description\":\"\",\"publisher\":{\"@id\":\"http:\/\/tellus-ing.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/tellus-ing.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"http:\/\/tellus-ing.com\/#organization\",\"name\":\"Tellus Ceram\",\"url\":\"http:\/\/tellus-ing.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"http:\/\/tellus-ing.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/tellus-ing.com\/wp-content\/uploads\/2019\/03\/cropped-LOGO-TELLUS-CERAM-1-1.png\",\"contentUrl\":\"https:\/\/tellus-ing.com\/wp-content\/uploads\/2019\/03\/cropped-LOGO-TELLUS-CERAM-1-1.png\",\"width\":572,\"height\":268,\"caption\":\"Tellus Ceram\"},\"image\":{\"@id\":\"http:\/\/tellus-ing.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Conseils pour la mise en \u0153uvre du b\u00e9ton - Tellus Ceram","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tellus-ing.com\/en\/mise-en-oeuvre-beton\/","og_locale":"en_GB","og_type":"article","og_title":"Conseils pour la mise en \u0153uvre du b\u00e9ton - Tellus Ceram","og_description":"CONSEILS POUR LA MISE EN \u0152UVRE DES B\u00c9TONS R\u00c9FRACTAIRES DENSES PAR COULAGE \/ VIBRATION Les b\u00e9tons r\u00e9fractaires denses de TELLUS-CERAM sont fabriqu\u00e9s \u00e0 l’aide de mati\u00e8res premi\u00e8res soigneusement s\u00e9lectionn\u00e9es et dans des conditions propres \u00e0 garantir leur qualit\u00e9. 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