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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Ground_granulated_blast-furnace_slag</id>
		<title>Ground granulated blast-furnace slag - Revision history</title>
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		<updated>2026-05-26T18:54:30Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Ground_granulated_blast-furnace_slag&amp;diff=265296&amp;oldid=prev</id>
		<title>Editor at 12:55, 22 November 2023</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Ground_granulated_blast-furnace_slag&amp;diff=265296&amp;oldid=prev"/>
				<updated>2023-11-22T12:55:13Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
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			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 12:55, 22 November 2023&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated blast-furnace slag (GGBS) as: ‘An SCM (Secondary Cementitious Materials) whose main use is in concrete as a Portland cement replacement to help reduce permeability and improve durability. It is a by-product from the blast-furnaces used to make iron.’&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated blast-furnace slag (GGBS) as: ‘An SCM (Secondary Cementitious Materials) whose main use is in concrete as a Portland cement replacement to help reduce permeability and improve durability. It is a by-product from the blast-furnaces used to make iron.’&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The use of GGBS reduces the amount of Portland cement used in concrete products thus potentially reducing the carbon emissions or embodied carbon associated with use of the product. However the draft research paper 'The efficient use of GGBS in reducing global emissions' written by experts from IStructE, the Institution of Civil Engineers, Climate Group and MPA The Concrete Centre, from 2023 questions the benefits for decarbonisation by revealing that global supplies of GGBS have reached their limit with no significant unused stockpiles or new sources likely to appear.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The use of GGBS reduces the amount of Portland cement used in concrete products thus potentially reducing the carbon emissions or embodied carbon associated with use of the product. However the draft research paper '&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.istructe.org/resources/guidance/efficient-use-of-ggbs-in-reducing-global-emissions/ &lt;/ins&gt;The efficient use of GGBS in reducing global emissions&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/ins&gt;' written by experts from IStructE, the Institution of Civil Engineers, Climate Group and MPA The Concrete Centre, from 2023 questions the benefits for decarbonisation by revealing that global supplies of GGBS have reached their limit with no significant unused stockpiles or new sources likely to appear.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;= Related articles on Designing Buildings =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;= Related articles on Designing Buildings =&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Editor</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Ground_granulated_blast-furnace_slag&amp;diff=265295&amp;oldid=prev</id>
		<title>Editor at 12:54, 22 November 2023</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Ground_granulated_blast-furnace_slag&amp;diff=265295&amp;oldid=prev"/>
				<updated>2023-11-22T12:54:40Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 12:54, 22 November 2023&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated blast-furnace slag (GGBS) as: ‘An SCM (Secondary Cementitious Materials) whose main use is in concrete as a Portland cement replacement to help reduce permeability and improve durability. It is a by-product from the blast-furnaces used to make iron.’&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated blast-furnace slag (GGBS) as: ‘An SCM (Secondary Cementitious Materials) whose main use is in concrete as a Portland cement replacement to help reduce permeability and improve durability. It is a by-product from the blast-furnaces used to make iron.’&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The use of GGBS reduces the amount of Portland cement used in concrete products thus potentially reducing the carbon emissions or embodied carbon associated with use of the product. However the draft research paper 'The efficient use of GGBS in reducing global emissions' written by experts from IStructE, the Institution of Civil Engineers, Climate Group and MPA The Concrete Centre, from 2023 questions the benefits for decarbonisation by revealing that global supplies of GGBS have reached their limit with no significant unused stockpiles or new sources likely to appear.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;= Related articles on Designing Buildings =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;= Related articles on Designing Buildings =&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Editor</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Ground_granulated_blast-furnace_slag&amp;diff=219989&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Ground_granulated_blast-furnace_slag&amp;diff=219989&amp;oldid=prev"/>
				<updated>2021-12-10T09:45:51Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Low Carbon Concrete Routemap, Setting the agenda for a path to net zero, draft for consultation published by the Institution of Civil Engineers in 2021, defines ground granulated blast-furnace slag (GGBS) as: ‘An SCM (Secondary Cementitious Materials) whose main use is in concrete as a Portland cement replacement to help reduce permeability and improve durability. It is a by-product from the blast-furnaces used to make iron.’&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings =&lt;br /&gt;
&lt;br /&gt;
* Cast-in-place concrete.&lt;br /&gt;
* Cellular concrete.&lt;br /&gt;
* Cement mortar.&lt;br /&gt;
* Climate change.&lt;br /&gt;
* Concrete vs. steel.&lt;br /&gt;
* Concrete.&lt;br /&gt;
* Decarbonising concrete in the UK.&lt;br /&gt;
* Hempcrete.&lt;br /&gt;
* Portland cement.&lt;br /&gt;
* Precast concrete.&lt;br /&gt;
* Prestressed concrete.&lt;br /&gt;
* Recycled concrete aggregate RCA.&lt;br /&gt;
* The properties of concrete.&lt;br /&gt;
* Types of concrete.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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