{"id":637,"date":"2024-02-04T12:13:41","date_gmt":"2024-02-04T04:13:41","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=637"},"modified":"2024-02-05T13:52:29","modified_gmt":"2024-02-05T05:52:29","slug":"factors-affecting-the-effect-of-high-concentration-polycarboxylic-acid-superplasticizer","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/fr\/blogs\/factors-affecting-the-effect-of-high-concentration-polycarboxylic-acid-superplasticizer.html","title":{"rendered":"Facteurs influen\u00e7ant l'effet du superplastifiant \u00e0 base d'acide polycarboxylique \u00e0 haute concentration"},"content":{"rendered":"

Factors affecting the effect of high-concentration\u00a0Superplastifiant \u00e0 base d'acide polycarboxylique<\/a><\/p>\n

The effect of high-concentration water reducing agent will be affected by external factors, so we must understand the factors that will cause the impact, and then minimize its impact.<\/p>\n

1. The form and amount of gypsum<\/p>\n

When grinding cement clinker, a certain amount of gypsum is generally added together to grind it. Here, gypsum is used as a cement set-adjusting agent.<\/p>\n

2. The mineral composition of cement<\/p>\n

C3A and C2S have a great influence on the mineral composition. Cement with high C3A content has poor water-reducing and enhancing effect. This is because the adsorption capacity of C3A to Polycarboxylic Acid Superplasticizer is much higher than other mineral components, while the adsorption capacity of slag mixture to high-concentration\u00a0Superplastifiant \u00e0 base d'acide polycarboxylique<\/a>\u00a0is small.<\/p>\n

3. Alkali content of cement<\/p>\n

The alkali content of cement mainly refers to the content of Na2O and K2O in the cement. The alkali content has a great influence on the adaptability of cement and high-concentration\u00a0Superplastifiant \u00e0 base d'acide polycarboxylique<\/a>. With the increase of cement alkali content, the plasticizing effect of water reducing agent becomes worse. The increase of cement alkali content will also lead to shortening of concrete setting time and increase of slump loss.<\/p>\n

4. Freshness and temperature of cement<\/p>\n

The fresher the cement, the worse the plasticizing effect of the\u00a0Superplastifiant \u00e0 base d'acide polycarboxylique<\/a>\u00a0on it. This is because the fresh cement has a stronger positive charge and has a greater adsorption capacity for the high-concentration Polycarboxylic Acid Superplasticizer.
\n\"Polycarboxylic<\/p>","protected":false},"excerpt":{"rendered":"

Facteurs affectant l'effet du superplastifiant \u00e0 base d'acide polycarboxylique \u00e0 haute concentration L'effet de l'agent r\u00e9ducteur d'eau \u00e0 haute concentration sera affect\u00e9 par des facteurs externes, nous devons donc comprendre les facteurs qui causeront l'impact, puis minimiser cet impact. 1. La forme et la quantit\u00e9 de gypse Lors du broyage du clinker de ciment, une certaine quantit\u00e9 de gypse est g\u00e9n\u00e9ralement [...]<\/p>","protected":false},"author":1,"featured_media":638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"yoast_head":"\nFactors Affecting the Effect of High-concentration Polycarboxylic Acid Superplasticizer - JOYFORCE INDUSTRIAL<\/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:\/\/www.joyforce.com\/fr\/blogs\/factors-affecting-the-effect-of-high-concentration-polycarboxylic-acid-superplasticizer.html\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factors Affecting the Effect of High-concentration Polycarboxylic Acid Superplasticizer - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"Factors affecting the effect of high-concentration\u00a0Polycarboxylic Acid Superplasticizer The effect of high-concentration water reducing agent will be affected by external factors, so we must understand the factors that will cause the impact, and then minimize its impact. 1. 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