Is it time for a name change?
If we look at other products that are made from foam than we come across Polystyrene foam, Polyurethane foam, Rubber foam, etc. So why don’t we call it Mortar foam?
Foam Concrete publications
Also: Check out the menu of the Foam Concrete Research Papers
This page contains reviews and links to publications that I can not publish here for copyright reasons. This is only a small selection of all the available papers, but I selected the ones that I believe are most relevant, and not a duplication of a similar study. I will add more soon, Check out the drop-down menu of the Academic publications.
See the menu on the side of this page for more
Portal to a science website
The link below came up with 273 articles on Foam and Concrete. All of them open access, but not all of them related to Foam Concrete as a building material.
Optimization of foam concrete masonry blocks
By Geethu Kallunkal , Dr. Elson John
A better title would have been: Optimum foam dilution to create a FC with 1600 Kg/m3 density.
This work confirms other findings on what influences FC. They seem to make their own foaming agent, sodium lauryl sulphate. The article includes a literature review of nine studies and concluded that some more study needed to be done on the concentration of foam in concrete as to reduce the density with the desired strength. They fixed the agent additive to 5% of weight of cement diluted in 100 ml of water. This resulted in a density of about 1600 Kg M3 They also added fly ash and replaced the sand with up to 30 quarry dust. They managed to make a mix with 23.8 N/mm2 at around 1600 Kg/m3. An interesting way to look at influences, and finding a replacement for sand.
Abstract— Foamed concrete is a versatile material which consists primarily of a cement based mortar mixed with at least 20-25% of volume air. It is non-load bearing structural element which has lower strength than conventional concrete. Foam concrete is widely used in construction field and quite popular for some application because of its light weight such as reduction of dead load, non-structural partitions and thermal insulating materials. Strength of foam concrete depends upon the foam added. Stable foam production depends upon the type of foaming agent, concentration of foam, method of preparation of foam. In this study the compressive strength of foam concrete was conducted for the specimens. Specimens were made to find out the Suitable foam concentration, by adding 2g, 5g, 8g, 10g of sodium lauryl sulphate in 100ml, 500ml, 1000 ml respectively.
I extracted a paragraph that states a procedure. “Volume of foam by weight of cement added to the concrete is estimated at 5%, 10%, 15%, and 20%. In order to increase the strength of foam concrete, test were conducted on specimens with Fly-ash as the partial replacement of cement and quarry dust as the partial replacement of sand at varied percentages. Based on the experimental investigations optimization the foam concrete masonry blocks with an appreciable strength and density is carried out.”
This is a presentation on the advantages of using FC, with lots of funny graphics.
On a more serious note
Foamed concrete is an increasingly popular material for diverse construction applications, from thermal/acoustic insulation and building elements to mine reinstatement and ground stabilisation. Advantages like flexibility in producing
range of densities (300 to 1800kg/m3), low production cost and high workability are making foamed concrete as a suitable material for range of construction applications. Properties of foamed concrete depend on density and type of cementitious
material. This paper presents a review on constituent materials, mix proportioning, production process and properties of foamed concrete. The future potential for the material is also explained.
This is a review what is been published so far. Good if you want to convince yourself or others to do some research on how to make an High performing Foamed Concrete.