No. 1688, East Gaoke Road, Pudong New District, Shanghai, China.
No. 1688, East Gaoke Road, Pudong New District, Shanghai, China.
The compressive strength of foam concrete with CBP up to 15% is similar to and even higher than that of the foam concrete without CBP; however the compressive strength decreases with the further increase of CBP replacements The effects of CBP content on the properties of low density foam concrete are more obvious than those of the high
With the development of new cement based raw materials foaming agents and fillers used for special applications of foam concrete the use of foam concretes has become widespread Foam concrete is a type of concrete that stands out with its lightness waste potential controlled low strength thermal insulation acoustics performance and durability
In order to combine the advantages of foam concrete and geopolymers recent innovations in the field of geopolymers are focused on the development of geopolymer foams for thermal insulation The compressive strength values as shown in Table 5 were determined at the curing age of 28 d Sample S1 exhibits with MPa the highest and
It was demonstrated that the replacement of cement with ultra fine slag [11] and silica fume [12] influence the compressive strength of foam concrete They can react with the free Ca OH 2 of hydrated cement to produce calcium silicate hydrate which can improve the compressive strength In addition the air void structure is also the major
Abstract Currently foam concrete is commonly used for various construction applications such as partitions filling grades road embankment infills and sound and heat insulation It is to be noted that the foam production parameters have significant influence on the cellular structure of foam concrete which governs the material properties of concrete Hence
Reduction in the density by adding foam is accompanied by the reduction of strength and thermal conductivity [2] Air voids which govern the porosity of foamed concrete are generally considered to have a significant effect on the compressive strength of the concrete [3] [4] It is possible to produce concrete mixtures of different air void sizes having the same
The methods used for designing normal concrete mix compositions cannot be used for designing foamed concrete mix compositions During the mix design for normal concrete the compressive strength
Falliano et al [15 16] investigated the influence of foaming agent on compressive strength of foam concrete and found that the foaming agent nature synthetic versus protein affect the strength
The compressive strength of both the foamed concrete had an increasing trend with a rise in density however the protein based foamed concrete showed better results 13% higher strength than
Compressive Strength Cement compressive strength is simply the strength of a "set" cement sample measured by the force/load required to crush/crack them It is expressed in terms of force per unit area In a compression testing machine as shown in Figure 1 the compressive strength of cement slurry is
Most of the investigations on foam concrete in the past have been confined to neat cement paste cement paste with partial replacement with admixtures and to cement sand mixes
Due to its lightweight and porous nature foam concrete FC has emerged as a popular choice for various modern construction applications including external wall insulation boards road and bridge construction and subway tunnels where reducing self weight is crucial [1] [2] However the inherently high porosity of FC often results in lower compressive strength
The results show that the compressive strength of foam concrete is reduced by adding polypropylene fiber and the peak stress of concave hexagonal unit cells decreases less rapidly than that of cube specimens The proper amount of polypropylene fiber can enhance the deformation ability of the unit cells in foam concrete and the Poisson s
The compressive strength of foam concrete can be significantly increased with the addition of % formic acid A more homogeneous and finer pore structure of foam concrete can be obtained with the incorporation of % formic acid which may result in lower water absorption and higher compressive strength
The results show that under the effect of single factor environment the average compressive strength of saturated foamed concrete is about 10% lower than the dry foamed concrete The compressive strength of foamed concrete significantly decreases at the beginning of constant compressive loading but gradually increases with the loading time
The compressive strength of foam concrete can be improved by treated with lithium silicate However compared to normal concrete FC s low compressive strength restricts its application in structural materials Previous studies have shown that FC s compressive strength is a function of porosity
The foams were produced by using foam generator by mixing them with cement mortar Ordinary Portland Cement OPC and dry sand of size 850μm The experimental results showed the highest compressive strength was recorded as 2 MPa for the density of 1000kg/m 3 and water cement ratio of The results revealed that consistency of the foamed
This study aims to propose a reliable machine learning model for predicting the compressive strength of fly ash composite foam concrete FFC improving the waste of work time cost and resources due to over testing Firstly 320 groups of FFC samples were collected from the previous literature to establish the database which contained eight
Foam concrete or foamcrete is a lightweight porous material with a wide range of applications in the construction domain This article focused on reviewing porosity thermal conductivity acoustic properties compressive strength f c ′ elastic modulus E flexural strength f y stability resistance to hostile environments density and fire resistance of foam concrete
The compressive strength of both the foamed concrete had an increasing trend with a rise in density however the protein based foamed concrete showed better results 13% higher strength than
The study found that the optimal IRSS content for maximizing foam concrete s compressive strength was 15 % which increased by % compared to the control Additionally S15 specimens showed a % increase in electrical conductivity compared to
The foamed concrete s compressive strength increases with its age reaching its full potential after 28 days of curing Artificial neural network This section provides an analysis of the compressive strength of fiber reinforced foam concrete This section presents a discussion on the impact of compressive strength of 7 14 and 28 day
Concrete s compressive strength is mostly attributable to the cementing substance that may have been reduced at 20 and 25% replacement levels leading to a weakening of the material 2023 A experimental investigation on strength properties of foam concrete East Asian J Multidisc Res Google Scholar Valarmathi K Devaraj D Radhakrishnan
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