- 0086-21-58386256
[email protected]
- 10:00am to 6:00pm
Sunday Closed
concretize additives for strength
- منتوجات جديدة
Study of strength of concrete using areca fiber and tile …
Fig -2: compression testing machine, flexural strength testing machine and split tensile strength testing machine 6. RESULT ANALYSIS AND DISCUSSIONS Compressive strength, split tensile strength and flexural strength test were conducted at the end of 28 days on concrete specimens. The result shows that there is a gradual
- منتوجات جديدة
Waste Paper Ash as Additives for High Strength Concrete …
In this study we made high strength concrete using ash derived from waste paper. Paper ash was burned manually and then filtered using sieve number 150. Paper ash was then tested for its chemical ...
- منتوجات جديدة
Experimental and Analytical Study of High-Strength …
The study compares the durability of Natural Zeolite with Metakaolin, Silica Fume, and Fly Ash on high-strength concrete. 300 concrete specimens were tested for compressive strength before and after an acid attack, modulus of elasticity, water absorption, and rapid chloride permeability. 5%, 10%, and 15% of the cement were …
- منتوجات جديدة
Influence of process parameters on the interlayer bond strength …
Using waste materials as supplementary cementitious materials can significantly improve the 3D-printed concrete's rheology, but the excessive use can decrease the early strength. Lastly, using recycled sand in 3D can reduce the flexural stiffness and strength of the printed objects when loaded from different directions.
- منتوجات جديدة
Predicting the core compressive strength of self
Highlights An ANN study was carried out to predict the core compressive strength of SCC mixtures with mineral additives. One conventional concrete and 6 different SCC mixtures with mineral additives were prepared. ANN model predicts the compressive strength of concrete with R2 of 0.95. ANN can be an alternative approach …
- منتوجات جديدة
Akona Concrete Bonding Additive
Akona Concrete Bonding Additive is an acrylic cement modifier that dramatically improves strength, adhesion, abrasion resistance and freeze-thaw resistance and is ideally suited for use with sand, mortar, cement mixes …
- منتوجات جديدة
Improvement of cement concrete strength properties by …
The technology of preparing of fiber-reinforced concrete mix with carbon fibers is developed. The superplasticizer is based on ether carboxylates as a separator for carbon fibers. The technology allows increasing of concrete compressive strength up to 43.4% and tensile strength up to 17.5% as well as improving stability of mechanical properties ...
- منتوجات جديدة
What Are the Additives to Make Concrete Stronger?
Concrete additives, also known as admixtures, are substances that are added to concrete batches before or during the mixing process.These additives can …
- منتوجات جديدة
Concrete Additives For Strength: Boosting Your Construction …
Superplasticizers are additives that improve the flowability of concrete without compromising its strength. These additives act as water reducers, allowing for a higher …
- منتوجات جديدة
(PDF) Effect of different additives on compression strength …
As the acquired results of this investigation showed, utilizing additives in concrete leave a considerable influence on the strength of concrete, particularly in the case of confirmation of the ...
- منتوجات جديدة
The 23 types of Concrete …
Concrete early strength admixture is one of the earliest admixtures used in the history of admixture development. So far, people have developed a variety of early-strength additives other than chloride and sulfate, such …
- منتوجات جديدة
Effect of Natural Pozzolanic Additive on Strength and …
This paper presents an experimental study on the effect of natural pozzolanic additives on the strength and durability of concrete immersed in seawater. Concrete specimens using various natural pozzolan contents from 0 to 30% were cured in normal water and then immersed in seawater for 12 months. Sulfate-resisting cement …
- منتوجات جديدة
Innovative concrete additives increase strength while …
One approach is to use novel materials as additives that can both increase strength to concrete while reducing carbons associated with traditional processes. …
- منتوجات جديدة
On void structure and strength of ed concrete made without/with
This paper aims to investigate, from pore structural and cement paste microstructural points of view, the strength of ed concretes having the same air void contents, for a given density, but different matrices produced by using different additives (individually and in combination). This will be achieved by:
- منتوجات جديدة
Waste Paper Ash as Additives for High Strength Concrete …
Whereas specimens with a mixture of 15%, 20%, and 25% produce concrete with compressive strength below 36 MPa. From the results of the study it can be concluded that the use of 5% and 10% waste paper ash can increase the compressive strength of concrete. Ash from paper waste can be an alternative material added to the concrete …
- منتوجات جديدة
Additives' impact the concrete compressive …
Download scientific diagram | Additives' impact the concrete compressive strength using 350 kg of cement (a) SP62, (b) PC 180, and (c) RC 897. from publication: Modeling the Impact of Liquid ...
- منتوجات جديدة
Strength development of concretes with alternative concrete additives
Fly ash, silica fume, blast furnace slag, metakaolin and rice husk ash were investigated, sometimes in combination, to this end. Concrete compressive strength was tested at a concrete age of 1, 3 ...
- منتوجات جديدة
Innovative concrete additives increase strength while …
One approach is to use novel materials as additives that can both increase strength to concrete while reducing carbons associated with traditional processes. According to McKinsey's analysis, "admixtures have the potential to reduce CO2 emissions in concrete by up to 30 per cent under current standards and up to 50 per cent under …
- منتوجات جديدة
Concrete Admixtures
Concrete admixtures are natural or manufactured chemicals or additives added during concrete mixing to enhance specific properties of the fresh or hardened concrete, such as workability, durability, or early and final strength. ... whether it is a high-strength mix or a unique color or finish texture you want to specify. In addition to our ...
- منتوجات جديدة
The effect of pozzolanic mineral additives on the …
56th, 90th and 120th days. In addition, in order to monitor the acid resistance, the strength changes of the samples exposed to 5% sulfuric acid and 5% nitric acid solution after 28 days of standard curing were followed until the 120th day. Results show that, SF and FA additives increase the compressive strength especially at older ages.
- منتوجات جديدة
Influence of additives on flexural strength of concrete
The article shown that the addition of the mineral additive into the concrete mixture leads to an increase of flexural strength to 13 %. The use of an organomineral complex leads to an increase ...
- منتوجات جديدة
Boosting Strength and Durability with Concrete Additives
Improving Concrete Strength through Additives. Using additives is essential, for boosting the strength of concrete a factor in determining its ability to bear heavy loads without breaking. By adding substances like superplasticizers and silica fume to the mix the water cement ratio is reduced, resulting in a denser and tougher structure.
- منتوجات جديدة
Tyre Rubber Additive Effect on Concrete Mixture Strength
The obtained exponential equations show that concrete compressive, flexural and splitting tensile strengths decrease with increasing crumbed rubber additive amount. The testing has also shown that ...
- منتوجات جديدة
Types of Admixtures & Additives for Concrete | DIY Doctor
There are essentially 5 distinct types of admixtures or functions as they are known in the trades; water-reducing, plasticizers or superplasticizers, air-entraining, retarding and accelerating. Below you will find a selection of the most commonly used admixtures or additives and how they work to enhance a concrete, cement or mortar mixture.
- منتوجات جديدة
Prediction of strength parameters of concrete containing …
The optimal strength result from artificial neural networks with genetic algorithm optimization is 85.1 MPa, which is higher than the best experiment result of 76.8 MPa.
- منتوجات جديدة
Investigation on pozzolanic effect of mineral additives in …
In modern cement and concrete technology, addition of active mineral additives (fly ash, silica fume, slag, natural pozzolan, etc.) is of great scientific significance [1].It is well known that the clinker minerals C 3 S and C 2 S that take about 75% of the portland cement will form high basic calcium hydrosilicates (c/s > 1.5) with a lime/silica …
- منتوجات جديدة
Cement Additives
It is common to use cement additives that increase the mechanical strength by chemical activation, without changing the cement surface and particle size distribution. Alkanolamines are frequently used and are able to increase the compressive strength (at different or all age) by max. five MPa. Typical examples are SikaGrind®-200 and SikaGrind ...
- منتوجات جديدة
What additives are added to concrete?
Pozzolans: Pozzolans are materials that are added to the cement mix to improve its strength and durability. They react with the calcium hydroxide produced during the hydration process to form compounds that contribute to the strength of the final product. The use of additives in cement mixes is a critical process that must be carefully ...
- منتوجات جديدة
How are concrete additives for strength used in concrete …
One of the primary reasons to use quality concrete additives is to get strength for the construction work. The concrete admixture is mixed with cement and water mixture and used in small quantities. This helps boost the quality and durability of concrete mixture and affects its behavior and control setting or makes it hard. Therefore, the ...
- منتوجات جديدة
Investigation on pozzolanic effect of mineral additives in …
In this paper a concept of contribution of unit clinker or unit cement to the strength of cement or concrete with active mineral additives was introduced. Some definitions have been given to specific strength of unit clinker in cement, specific strength of unit cement in concrete, specific strength of pozzolanic effect in cement or concrete, …