Chemical Admixtures

Dr. Safeer AbbasAssistant Professor

Civil Engineering DepartmentUET Lahore, Pakistan

Mixing Water2

Admixtures3

Admixtures4

Chemical Admixtures5

Accelerating Admixtures6

Accelerating Admixtures7

Accelerating Admixtures8

Effect on Workability

Accelerating Admixtures9

Effect on Mechanical Properties

Accelerating Admixtures10

Effect on Durability

Non-chloride Accelerator11

Retarding Admixtures12

Water Reducer/Retarders13

Water Reducer Admixtures: Uses 14

Water Reducer Admixtures15

Water Reducer Admixtures16

Effect on Fresh Concrete

Water Reducer Admixtures17

Water Reducer Admixtures18

Effect on Hardened Concrete

Water Reducer Admixtures19

Effect on Durability

Mid-range Water Reducing Admixture20

High-range Water Reducing Admixture21

Superplasticizer22

Superplasticizer23

Superplasticizer24

Superplasticizer25

Mode of Action of Superplasticizer26

Cement-Superplasticizer Compatibility Issue27

Superplasticizer28

Effect on Fresh Concrete

Superplasticizer29

Effect on Hardened Concrete

Superplasticizer30

Effect on Durability

Superplasticizer31

Effect on Durability

Air-Entraining Admixtures32

Air-Entraining Admixtures33

Chemical Composition Air-Entraining Admixtures34

Types of Air-Entraining Admixtures35

Mechanism of Air-Entraining Admixtures36

Advantages of Air-Entraining Admixtures37

Disadvantages of Air-Entraining Admixtures38

Factors Effecting Air-Entraining Admixtures39

Air-Entraining Admixtures40

Effect on Fresh Concrete

Anti-Freezing Admixtures41

Expansion Producing Admixtures42

Colouring Admixtures43

Water Proofing Admixture44

Question And Assignment45

Discuss various types of Admixtures available in Pakistan and its Characteristics.

(Note: Contact Sika and Master Builders) Report and Power point Presentation Need to submit in Group