Meeting The Specification for 10 N/mm2 Blocks with Celcon Hi-Tene Aircrete Blocks

BS 5628: Part 1: 1992 “Code of Practice for the Structural Use of Masonry”, Clause 32.2 defines the design strength of masonry as the characteristic strength multiplied by a capacity reduction factor, b, and divided by the appropriate partial safety factor for material, γm.

The capacity reduction factor, b, allows for the effects of slenderness of the wall and eccentricity of loads and is not related to the type of masonry units being used. The wall strength is therefore related to the ratio:-

Celcon Hi-Tene blocks have a specified compressive strength of 8.4 N/mm2 and are manufactured to the ‘Special’ category of manufacturing control as defined in BS 5628: Part 1 Clause 27.2.1.2. This means that the lower value for γm given in Table 4 of the code may be used for design purposes. The following table shows how the strength of a wall built with Celcon Hi-Tene blocks is equivalent to that built using 10N/mm2 solid blocks for which only ‘Normal’ category can be taken.

Typical block thickness

Celcon Hi-Tene
(γm =3.1)

10N/mm2 Solid block
(γm = 3.5)

fk

(BS5628: pt1:Table 2 mortar designation (iii)

fk / γm

fk

(BS5628: pt1:Table 2 mortar designation (iii)

fk / γm

100mm

7.2N/mm2

2.3N/mm2

8.2N/mm2

2.3N/mm2

150mm

5.8N/mm2

1.9N/mm2

6.5N/mm2

1.9N/mm2

200mm

4.9N/mm2

1.6N/mm2

5.5N/mm2

1.6N/mm2

This information has been sourced, reviewed and adapted from materials provided by H + H Celcon.

For more information on this source, please visit H + H Celcon.

Citations

Please use one of the following formats to cite this article in your essay, paper or report:

  • APA

    H + H Celcon. (2019, April 23). Meeting The Specification for 10 N/mm2 Blocks with Celcon Hi-Tene Aircrete Blocks. AZoBuild. Retrieved on October 16, 2021 from https://www.azobuild.com/article.aspx?ArticleID=7866.

  • MLA

    H + H Celcon. "Meeting The Specification for 10 N/mm2 Blocks with Celcon Hi-Tene Aircrete Blocks". AZoBuild. 16 October 2021. <https://www.azobuild.com/article.aspx?ArticleID=7866>.

  • Chicago

    H + H Celcon. "Meeting The Specification for 10 N/mm2 Blocks with Celcon Hi-Tene Aircrete Blocks". AZoBuild. https://www.azobuild.com/article.aspx?ArticleID=7866. (accessed October 16, 2021).

  • Harvard

    H + H Celcon. 2019. Meeting The Specification for 10 N/mm2 Blocks with Celcon Hi-Tene Aircrete Blocks. AZoBuild, viewed 16 October 2021, https://www.azobuild.com/article.aspx?ArticleID=7866.

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
(Logout)
Submit
Calcium Carbonate Concrete: Building on Recycling

Calcium Carbonate Concrete: Building on Recycling

AZoBuild talks to Professors Noguchi and Maruyama about their research and development of Calcium Carbonate Concrete (CCC), a new material that has the potential to cause a sustainable revolution in the construction industry.

What are the Positive Human Effects of Biophilic Urban Planning?

What are the Positive Human Effects of Biophilic Urban Planning?

Biophilic design has been gaining interest within the construction and urban planning industries. Trying to incorporate nature into buildings and public spaces intends to promote people’s health and wellbeing, as well as creating spaces with sustainability built-in.

Newsletters you may be interested in

See all Newsletters »