Additives And Their Effects On Concrete

Influence of various additives on properties of

2020年1月1日 Cemplast and D-5 additives are highly effective modifiers of concrete and mortar. They can increase the strength by 20-40% at the age of 28 days at dosages of 1.6-6% with a decrease in water

Effect of Nano-additives and Polymeric Viscosity

2023年3月11日 In spite of recent advances in construction digitization and concrete 3D printing, engineering a printable concrete mixture for extrudability and buildability still

(PDF) Waterproof Concrete Additives and Their Effects on

2017年7月1日 PDF On Jul 1, 2017, Nwankwo E I Arinze and others published Waterproof Concrete Additives and Their Effects on Concrete Properties Find, read and cite all the

(PDF) Effect of different additives on

2009年1月1日 Effect of different additives on compression strength of concrete, IJGE Vol.5, No.1, Egypt, 2009

Influence of Mixing Procedures, Rubber Treatment, and

This research extensively investigates how to enhance the mechanical performance of Rubcrete, aiming to move this type of concrete from the laboratory research level to a

The 23 types of Concrete Admixtures（Additives）used in

2022年4月30日 Commonly used organic retarders include: ①Lignosulfonate type retarder: this type of retarder is usually added at 0.2% to 0.3% of the cement mass, and the

Concrete Admixtures (Additives)- Types,

🕑 Reading time: 1 minuteConcrete admixtures (additives) enhances the properties of concrete for applications in construction with special requirements. Concrete additives are used to achieve desired workability

Seven Must-Use Concrete Admixtures

2022年2月28日 Concrete Admixtures: Air-Entrainment. Air entrained concrete can increase the freeze-thaw durability of concrete. This type of admixture produces a more workable concrete than non-entrained

(PDF) Waterproof Concrete Additives and Their Effects on

Waterproof Concrete Additives and Their Effects on Concrete Properties. Chinenye Okere. 2017. Read Article Download PDF. Read Article

Investigation of the effect of mineral additives on concrete

2022年3月11日 In addition to cement, sand, gravel, and water, the current investigation of the influence of additives on the compressive strength of concrete at 28 days includes fly ash, silica fume, and slag. 315 concrete compositions with various amounts of additives are trained and tested using an artificial neural network. Concrete strength is largely affected

Chemical Technologies for Modern Concrete Production

2017年1月1日 The uses of chemicals as additives and admixtures are recognized to be relatively more obvious approaches to answer the needs of modern concrete production for more energy efficiencies and carbon footprint reductions. Characterization of various cement grinding aids and their impact on grindability and cement performance,

Effect of nano-silica in concrete; a review ScienceDirect

2021年4月5日 Nano-silica (nS) or silica nanoparticles, also known as silicon dioxide nanoparticles, can be used as additives for improving concrete’s mechanical and durability properties [24], [25], [26].The effect of nS on nanostructure of cement paste also confirmed the improvement in concrete durability [27].The results revealed the nS as an excellent

Effect of Nano-additives and Polymeric Viscosity

2023年3月11日 In spite of recent advances in construction digitization and concrete 3D printing, engineering a printable concrete mixture for extrudability and buildability still presents technical challenges. Nano-additives such as nano-silica and nano attapulgite clay are gaining increasing interest for their attributes as rheological modifiers.

(PDF) Effect of different additives on

2009年1月1日 Effect of different additives on compression strength of concrete, IJGE Vol.5, No.1, Egypt, 2009

Materials Free Full-Text Concept of Evaluation of

This experimental study focuses on the assessment of mineral additives and their incorporation into cement composites (CC). The assessment was based on a holistic approach to the performance of the durability properties of CC. Environmental suitability was also taken into consideration. In the experiments, cement pastes with w/c ratios of 0.3,

Effect of Pozzolanic Additives on the Strength

2017年12月31日 Lithium slag (LS), a solid waste from lithium smelting, has been utilized as concrete additives with a low rate of approximately 10 %, and the remaining nearly 90 % of LS are stored as industrial

The 23 types of Concrete Admixtures（Additives）used in

2022年4月30日 Commonly used organic retarders include: ①Lignosulfonate type retarder: this type of retarder is usually added at 0.2% to 0.3% of the cement mass, and the concrete setting time can be extended for 2 to 3 hours. ④ Retarder for polyhydric alcohol and other substances: polyvinyl alcohol, cellulose ether.

Concrete Admixtures (Additives)- Types,

🕑 Reading time: 1 minuteConcrete admixtures (additives) enhances the properties of concrete for applications in construction with special requirements. Concrete additives are used to achieve desired workability

Effects of acid attack and cassava dosage on the

2023年3月9日 For example, Okafor, 2010 [71], who examined the results of the effectiveness of cassava as an additive in concrete to minimize water content. The investigation was conducted on the improvement of workability and compressive strength at 90 days for concrete by using 0.45, 0.50, 0.60, and 0.70 water-cement ratios and

Nanoparticles as concrete additives: Review and perspectives

2018年6月30日 Nanoparticles 1 (NPs) as additives to concrete and related cement products have been the focus of recent research, as it is envisioned that their uniquely high surface area and reactivity may beneficially modify the mechanical and durability properties of cement-based materials [1].NPs have generally negatively affected the workability of

Effect of nano-silica in concrete; a review ScienceDirect

2021年4月5日 Nano-silica (nS) or silica nanoparticles, also known as silicon dioxide nanoparticles, can be used as additives for improving concrete’s mechanical and durability properties [24], [25], [26].The effect of nS on nanostructure of cement paste also confirmed the improvement in concrete durability [27].The results revealed the nS as an excellent

Effects of additives on water permeability and chloride

2022年2月21日 Except for C6 before 120 d, K w of concrete with additives at the same exposure time are all lower than that of ordinary concrete C1, but the reduction effects of additives on the time-dependent K w are different. After the same exposure time, K w of FA concrete C2 and C3 are both lower than that of ordinary concrete. The resistance to

Effect of Nano-additives and Polymeric Viscosity

2023年3月11日 In spite of recent advances in construction digitization and concrete 3D printing, engineering a printable concrete mixture for extrudability and buildability still presents technical challenges. Nano-additives such as nano-silica and nano attapulgite clay are gaining increasing interest for their attributes as rheological modifiers.

Materials Free Full-Text Concept of Evaluation of

This experimental study focuses on the assessment of mineral additives and their incorporation into cement composites (CC). The assessment was based on a holistic approach to the performance of the durability properties of CC. Environmental suitability was also taken into consideration. In the experiments, cement pastes with w/c ratios of 0.3,

Waterproof Concrete Additives and Their Effects on

2017年7月31日 rate for all the concrete containing the various additives when compared with the controlled sample without additive. At 28 days, the water absorption rate of the concrete with additives varies from 1.71 4.65% while that of the controlled sample is 14.4%. As the curing age increased, the concretes with additives

Effects of acid attack and cassava dosage on the

2023年3月9日 For example, Okafor, 2010 [71], who examined the results of the effectiveness of cassava as an additive in concrete to minimize water content. The investigation was conducted on the improvement of workability and compressive strength at 90 days for concrete by using 0.45, 0.50, 0.60, and 0.70 water-cement ratios and

Seven Must-Use Concrete Admixtures

2022年2月28日 Concrete Admixtures: Air-Entrainment. Air entrained concrete can increase the freeze-thaw durability of concrete. This type of admixture produces a more workable concrete than non-entrained

Influence of Microfibrillated Cellulose Additive on

2021年10月12日 This work aimed to study the effect of a microfibrillated cellulose additive on strength, elastic modulus, heat release, and shrinkage of mortar and concrete. The dosage of the additive varies from 0.4 to 4.5% by weight of the cement. The change in strength with an increase in the dosage of the additive occurred in a wave-like manner.

(PDF) Waterproof Concrete Additives and Their Effects on

Waterproof Concrete Additives and Their Effects on Concrete Properties. Chinenye Okere. 2017. Read Article Download PDF. Read Article