Jul 30, 2021 · However, after adding admixtures, the slump loss of concrete is more serious than that before adding admixtures. Especially after adding high-efficiency reducing agents, the slump of concrete can only be maintained for more than ten minutes to half an hour, which makes construction difficult.
GET A QUOTESep 13, 2021 · After adding sodium gluconate, the concrete can work for several hours at 170 ℃ Effect of sodium gluconate content in pumping agent on concrete performance. In developed countries, the use of pumped concrete is very common. However, the slump loss of concrete after adding admixture is more serious than that before adding admixture.
GET A QUOTEPolycarboxylate based superplasticizer can be compounded with various admixtures to form a multifunctional admixture, such as pumping agent, early strength agent, impermeable waterproofing agent, retarder, etc. Polycarboxylate superplasticizer powderhas excellent adaptability, especially suitable for sulphur-aluminum, high-aluminum and gypsum
GET A QUOTEand sixth component high efficiency admixture. The activity of mineral admixtures including pulverized slag, steel slag powder, fine fly ash, etc. High efficiency admixture is super plasticizer, retarder, pumping agent, etc. In the early 30s, American scholar R.E.Davis uses fly ash instead of a part of
GET A QUOTERheology-modifying admixtures increase concrete lubricity to help stiff concrete extrude easily, and lower pump pressures in more fluid concrete applications. A workability-retaining admixture provides flexible, but predictable, degrees of slump retention without retardation. It provides consistency in air-entrainment, slump, workability and strength, and minimize the need for jobsite slump adjustment using water or high-range water-reducing admixture. Consolidating Concrete
GET A QUOTEAdding sodium lignosulphonate to concrete can reduce water consumption by more than 13%, improve the workability of concrete, and can greatly reduce the heat of hydration in the early stage of cement hydration. In addition, it can also be compounded with other admixtures into early strength agents, retarders, antifreeze, pumping agent, etc.
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GET A QUOTEThe invention relates to a non-bleeding concrete pumping admixture with high durability and high slump retaining, the raw material weight percentage composition of which is: 25 to 45 percent of
GET A QUOTEThe 23 types of Concrete Admixtures(Additives)used in Concrete
GET A QUOTEThe 23 types of Concrete Admixtures(Additives)used in Concrete
GET A QUOTEAdding sodium lignosulphonate to concrete can reduce water consumption by more than 13%, improve the workability of concrete, and can greatly reduce the heat of hydration in the early stage of cement hydration. In addition, it can also be compounded with other admixtures into early strength agents, retarders, antifreeze, pumping agent, etc.
GET A QUOTEShaanxi Jingcheng Building Materials Co., Ltd. (Jingcheng) sets product development, production and sales. It has been the largest concrete admixture enterprise in Northwest China.Founded in 2008, the registered capital of 100 million yuan, Jingcheng is located in outstanding historical and cultural city, having its address at Longmen Industrial Park, Hancheng, Shaanxi Province, China
GET A QUOTEChemical Admixtures Are One of the Components in High Performance Concrete. The first step in optimizing concrete is to recognize that concrete is no longer simply cementitious materials, aggregates and water. It is a high performance material with not just four, but seven essentials – consisting of water, cementitious material, sand, gravel
GET A QUOTEThe effect of excessive or insufficient mixing on the performance of concrete can also be predicted; on the other hand, the naphthalene-based high-efficiency reduction The water agent has good adaptability with other admixtures and can be widely used as the composition of composite admixtures, such as pumping agents, waterproofing agents, air
GET A QUOTEConcrete Admixtures pumping, finishing, appearance, performance and sustainability characteristics of concrete. We offer a comprehensive line of high-quality plasticizers to increase concrete productivity, performance and efficiency, as well as complementary admixtures to improve strength, durability, water resistance, aesthetics and
GET A QUOTEAdvantages of standard type water reducing admixtures. 1. The water reducing agent in concrete has good water-reducing performance at low content, especially in high-grade concrete, and its maximum water-reducing rate can reach 40%. 2. Water reducing admixture for concrete is alkali-free and chlorine-free, and has no corrosion hazard to steel bars.
GET A QUOTEThe present invention discloses a multifunctional waterproof agent for concrete, which is used for building materials. The multifunctional waterproof agent for concrete comprises the components of the following proportion: 20 to 35 wt% of organic silicon, 0 to 20 wt% of water reducing agents, 5 to 15 wt% of sodium lignosulfonate or calcium lignosulfonate, 0.5 to 1.5 wt% of citric acid, 3 to 10
GET A QUOTEFeb 15, 2017 · Pumping concrete should be mixed with pumping agent or water reducing agent, and it should be mixed with fly ash or other active admixtures to improve the pumping ability of diesel concrete mixer pump. Slump. In the process of pumping concrete into the pump, when the pumping height is less than 30 meters, the collapse should be 100 to 140 mm.
GET A QUOTEADMIXTURES. High-range water reducers, ASTM C 494 (AASHTO M 194) Types F (water reducing) and G (water reducing and retarding), can be used to impart properties induced by regular water reducers, only much more efficiently. They can greatly reduce water demand and cement contents and make low water-cement ratio, high-strength concrete Admixtures for Concrete
GET A QUOTEFeb 15, 2017 · Pumping concrete should be mixed with pumping agent or water reducing agent, and it should be mixed with fly ash or other active admixtures to improve the pumping ability of diesel concrete mixer pump. Slump. In the process of pumping concrete into the pump, when the pumping height is less than 30 meters, the collapse should be 100 to 140 mm.
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