Alternativa bindemedel, Cementa - Arvid Stjernberg

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Svenska Betongföreningen

Presenterat på Betongdagen den 3 november 2022.

Education

04.11.2022 Event | Location | Topic | Author
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5 levers to meet our 2030 target

04.11.2022 Event | Location | Topic | Author
4

04.11.2022 Event | Location | Topic | Author
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04.11.2022 Event | Location | Topic | Author
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• Bestämma vilka SCM:er och kombinationer av SCM:er, som gör det möjligt att öka mängden SCMer i våra
produkter.
• Utveckla nya cementprodukter med nya SCMer som skall ersätta våra flygaskebaserade cement.
• Fem arbetsområden
• Kartlägga möjliga nya SCMer
• Utveckla nya cementsorter
• Reologiegenskaper
• Beständighet, hydratation
• Fullskaleförsök
• > 30 möjliga nya SCMer testade i labb
• Tre mest intressanta materialen är;
• Kalcinerade leror
• Pozzolanska bergarter
• Förbränningsaskor och industriella restmaterial, t.ex Biokolflygaska
04.11.2022 Event | Location | Topic | Author
8

04.11.2022 Event | Location | Topic | Author
10

04.11.2022 Event | Location | Topic | Author
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• Genomfört stor
provtagningskampanj i April 2022.
• Reaktivitet samt malbarhet skall
värderas för varje enskilt
delmaterial.
• Kommer ge kunskap kring:
• Variationer
• Krav på finhet
• Malbarhet
• Reaktivitet
• Nya metoder för kvalitetskontroll
tas fram
04.11.2022 Event | Location | Topic | Author
12

04.11.2022 Event | Location | Topic | Author
13

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14
Three compositions evaluated with Kunda-ground VPI:
Type Clinker VPI (FA) LL
Current Bas, avg 83,1 % (3,5 %) 13,4 %
CEM II/B-P 70 % 25,2 % 4,8 %
CEM II/B-M 70 % 22,8 % 7,2 %
CEM II/B-M 70 % 19,9 % 10,1 %
22
22.6 22.6
20.9
18
18.5
19
19.5
20
20.5
21
21.5
22
22.5
23
Current Bas 25,5 VPI / 4,8 LL 22,8 VPI / 7,2 LL 19,9 VPI / 10,1 LL
1d strength
54.4
62.5
61
58.8
44
46
48
50
52
54
56
58
60
62
64
Current Bas 25,5 VPI / 4,8 LL 22,8 VPI / 7,2 LL 19,9 VPI / 10,1 LL
28d strength

Har du frågor?
04.11.2022 Event | Location | Topic | Author
15

FUTURECEM is a patented cement technology developed by Aalborg Portland that enables reduced clinker content in concrete compared to conventional concrete. It is based on the synergistic effect of mixing limestone and calcined clay with Portland clinker, which results in higher strength than expected. The technology was developed over multiple projects from 1990-2019 and has been introduced commercially. It can reduce the CO2 footprint of concrete by up to 27% and has been used in several construction projects in Denmark. The CALLISTE project aims to further develop FUTURECEM to meet more applications and achieve higher CO2 reduction.

geopolymer concrete

swapnil wanjari

The document summarizes research presented at an international conference on the partial replacement of cement in geopolymer quarry rock dust concrete under different curing conditions. It includes objectives to study the effects of different fly ash and cement mixtures cured through normal, steam, and hot air oven methods. Results showed that compressive and flexural strength generally increased with higher curing temperatures and cement content. Steam curing produced the highest strengths across mixture designs. The research aims to address sustainability challenges in concrete production by exploring geopolymer alternatives.

Geopolymer concrete or green concrete

KARTHICKVIZHI

Geopolymer concrete is an eco-friendly alternative to cement concrete that uses industrial byproducts like fly ash and slag instead of cement as the binding material. It can reduce CO2 emissions compared to traditional concrete and offers benefits like high strength, durability, and chemical resistance. The manufacturing process involves mixing fly ash and aggregates, then activating them with an alkaline solution which causes polymerization and bonding. Geopolymer concrete has been used successfully in structures like buildings, pipes, tanks and retaining walls.

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A UHPC (ultra high performance concrete) presentation projects.

Nolan Mayrhofer

Concrete performance by partially replacing cement

Mr. Lucky

In India, Hypo-Sludge (waste from paper industries) and Fly-Ash (waste from thermal power plants) are available in large quantity. The management of fly ash has been troublesome in view of its disposal because of its potential of causing pollution of air and water. The total generation of fly ash in India is about 180 million tonnes. About 20,000 hectares of land resources can be saved annually by effectively utilisation of fly ash in India.

special types of concrete

abhinav srivastava

The document summarizes different types of specialized concretes discussed in a civil engineering seminar. It describes translucent concrete made with optical fibers, green concrete using recycled materials, geo-polymer concrete made from industrial wastes, bacterial self-healing concrete, bendable engineered cementitious composite, pervious concrete without fine aggregates, vacuum concrete where excess water is removed, and cellular lightweight concrete made with a foam agent. Each type is defined and its composition, properties, advantages, and applications are outlined.

STRENGTH OF SILICA FUME CEMENT CONCRETE

Farhan Hussain

Portland cement is the most important ingredient of concrete and is a versatile and relatively high cost material. Large scale production of cement is causing environmental problems on one hand and depletion of natural resources on other hand. This threat to ecology has led to researchers to use industrial by products as supplementary cementations material in making concrete. In this study, an attempt has been made to investigate the strength parameters of concrete made with partial replacement of cement by silica fume.

Geopolymer concrete

Rupam Fedujwar

Basics of Geopolymer concrete

Shyambharadva

This document summarizes research on geopolymer concrete as an alternative to traditional Portland cement concrete. Geopolymer concrete is made through a chemical reaction of aluminosilicate materials like fly ash with an alkaline solution, forming a three dimensional polymeric chain structure. It offers benefits over Portland cement like lower CO2 emissions in production, higher strength and durability, and the ability to utilize industrial waste materials. Some potential applications highlighted include use in coastal and cold weather construction for its chloride resistance, as well as airport runways and highways due to its heat resistance.

Green concrete ppt

latheef abdtul

Green concrete by nayan

Nayan Moon

Green concrete is a type of concrete made with materials that reduce its environmental impact. It uses waste products like fly ash as partial replacements for cement, sand, or gravel. This decreases CO2 emissions in production by up to 30% compared to traditional concrete. Green concrete also has benefits like increased strength and durability while requiring less maintenance over time. Its use can help address the problem of waste disposal from industries while providing a more sustainable building material option.

Rice husk ash based geopolymer concrete

Shaswat K. Das

This document discusses rice husk ash based geopolymer concrete. Geopolymer concrete is an alternative to traditional cement-based concrete that uses industrial byproducts like rice husk ash instead of cement. It has lower CO2 emissions and improved properties like chemical resistance. The document outlines how rice husk ash can be used as a source material in geopolymer concrete production due to its pozzolanic properties. Experimental results show rice husk ash improves strength and corrosion resistance of geopolymer concrete. While more expensive than traditional concrete, geopolymer concrete offers sustainability benefits and rice husk ash utilization provides an outlet for a waste product.

Eco friendly concrete or Geopolymer Concrete

Hariyali Pujara

Fly ash and slag from coal power plants and steel mills can be used to create geopolymer concrete, providing an eco-friendly alternative to traditional Portland cement concrete. Geopolymer concrete cures rapidly, within 24 hours, gains strength quickly, and produces less CO2 emissions than Portland cement. It is also highly resistant to chemicals, heat, and freezing. While geopolymer concrete has been used in some airport, university, and military projects, standards and guidelines need to be developed to expand its use in transportation infrastructure and other construction applications.

Geopolymer Concrete

ARIVU SUDAR

The reduced CO2 emissions of Geopolymer cements make them a good alternative to Ordinary Portland Cement. Produces a substance that is comparable to or better than traditional cements with respect to most properties. Geopolymer concrete has excellent properties within both acid and salt environments Low-calcium fly ash-based geopolymer concrete has excellent compressive strength and is suitable for Structural applications.

HIGH-VOLUME FLY ASH CONCRETE

Umer Farooq

Ltc

bhimaji40

The document discusses light transmitting concrete (LiTraCon), which is a translucent building material made from fine concrete with optical fibers distributed throughout. LiTraCon transmits light through total internal reflection within the fibers. It has advantages like insulation, light transmission without loss, and versatility. Applications include translucent walls, ceilings, pavement markings, and decorative furniture. While more expensive than traditional concrete, LiTraCon integrates lighting and architecture in a sustainable material.

Engineered Cementatious Composites

Muhammad Saad Ifrahim

This document discusses engineered cementitious composites (ECC). It describes the procedure for designing an ECC mix based on micromechanical principles. The mix uses Portland cement, fly ash, and 2% polyvinyl alcohol fibers by volume. Experiments compared standard and non-standard ECC mixes using different aggregates. The non-standard mix using lumajang sand had slightly lower density and tensile strength than the standard mix using silica sand. Both ECC mixes exhibited strain hardening behavior and tensile strengths over 3% strain, indicating ECC is more ductile than conventional concrete.

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FUTURECEM - Calcined Clay-Limestone Cement - Jesper Sand Damtoft

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geopolymer concrete

swapnil wanjari

Geopolymer concrete or green concrete

KARTHICKVIZHI

Betong med lägre klimatpåverkan - Anders Lindvall

Svenska Betongföreningen

A UHPC (ultra high performance concrete) presentation projects.

Nolan Mayrhofer

Concrete performance by partially replacing cement

Mr. Lucky

special types of concrete

abhinav srivastava

STRENGTH OF SILICA FUME CEMENT CONCRETE

Farhan Hussain

Geopolymer concrete

Rupam Fedujwar

Basics of Geopolymer concrete

Shyambharadva

Green concrete ppt

latheef abdtul

Green concrete by nayan

Nayan Moon

Rice husk ash based geopolymer concrete

Shaswat K. Das

Eco friendly concrete or Geopolymer Concrete

Hariyali Pujara

Geopolymer Concrete

ARIVU SUDAR

HIGH-VOLUME FLY ASH CONCRETE

Umer Farooq

Ltc

bhimaji40

Engineered Cementatious Composites

Muhammad Saad Ifrahim

What's hot (20)

Krav vid föreskrivande av betong - Anders Lindvall

ERC-konceptet enligt kommande EN 206 - Anders Lindvall, Thomas Concrete Group

FUTURECEM - Calcined Clay-Limestone Cement - Jesper Sand Damtoft

geopolymer concrete

Geopolymer concrete or green concrete

Betong med lägre klimatpåverkan - Anders Lindvall

A UHPC (ultra high performance concrete) presentation projects.

Concrete performance by partially replacing cement

special types of concrete

STRENGTH OF SILICA FUME CEMENT CONCRETE

Geopolymer concrete

Basics of Geopolymer concrete

Green concrete ppt

Green concrete by nayan

Rice husk ash based geopolymer concrete

Eco friendly concrete or Geopolymer Concrete

Geopolymer Concrete

HIGH-VOLUME FLY ASH CONCRETE

Ltc

Engineered Cementatious Composites

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Alternativa bindemedel, Cementa - Arvid Stjernberg

1. 04.11.2022 Arvid Stjernberg

3. 04.11.2022 Event | Location | Topic | Author 3 5 levers to meet our 2030 target

4. 04.11.2022 Event | Location | Topic | Author 4

5. Heidelberg Materials Northern Europe

6. 04.11.2022 Event | Location | Topic | Author 6

7. 04.11.2022 Event | Location | Topic | Author 7

8. • Bestämma vilka SCM:er och kombinationer av SCM:er, som gör det möjligt att öka mängden SCMer i våra produkter. • Utveckla nya cementprodukter med nya SCMer som skall ersätta våra flygaskebaserade cement. • Fem arbetsområden • Kartlägga möjliga nya SCMer • Utveckla nya cementsorter • Reologiegenskaper • Beständighet, hydratation • Fullskaleförsök • > 30 möjliga nya SCMer testade i labb • Tre mest intressanta materialen är; • Kalcinerade leror • Pozzolanska bergarter • Förbränningsaskor och industriella restmaterial, t.ex Biokolflygaska 04.11.2022 Event | Location | Topic | Author 8

9. Sampling, Resources & Testing

10. 04.11.2022 Event | Location | Topic | Author 10

11. 04.11.2022 Event | Location | Topic | Author 11

12. • Genomfört stor provtagningskampanj i April 2022. • Reaktivitet samt malbarhet skall värderas för varje enskilt delmaterial. • Kommer ge kunskap kring: • Variationer • Krav på finhet • Malbarhet • Reaktivitet • Nya metoder för kvalitetskontroll tas fram 04.11.2022 Event | Location | Topic | Author 12

13. 04.11.2022 Event | Location | Topic | Author 13

14. 04.11.2022 Event | Location | Topic | Author 14 Three compositions evaluated with Kunda-ground VPI: Type Clinker VPI (FA) LL Current Bas, avg 83,1 % (3,5 %) 13,4 % CEM II/B-P 70 % 25,2 % 4,8 % CEM II/B-M 70 % 22,8 % 7,2 % CEM II/B-M 70 % 19,9 % 10,1 % 22 22.6 22.6 20.9 18 18.5 19 19.5 20 20.5 21 21.5 22 22.5 23 Current Bas 25,5 VPI / 4,8 LL 22,8 VPI / 7,2 LL 19,9 VPI / 10,1 LL 1d strength 54.4 62.5 61 58.8 44 46 48 50 52 54 56 58 60 62 64 Current Bas 25,5 VPI / 4,8 LL 22,8 VPI / 7,2 LL 19,9 VPI / 10,1 LL 28d strength

15. Har du frågor? 04.11.2022 Event | Location | Topic | Author 15

Alternativa bindemedel, Cementa - Arvid Stjernberg

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