SHORT DEFINITIONS IN CONSTRUCTION MATERIAL AND EQUIPMENT PART-1



IN THIS PAGE I SHARE SOME SHORT DEFINITIONS FOR CONSTRUCTION MATERIALS EQUIPMENT CONSTRUCTION TECHNICS CONCRETE TECHNOLOGY USED TERMS IN CONSTRUCTION  FIELD ETC

1.What is concrete?
Concrete is the binding material. made to mixture of cement or lime with fine aggregate  and coarse aggregate .concrete have high compressive strength

2.Define admixture?
Admixture is the material other than cement fine aggregate coarse aggregate added to the concrete for improve the property of concrete

3.What are the factor affecting workability of concrete?
 There are the factors affecting the workability of concrete is Size of aggregates ,shape of aggregates water content, mix proportion and grading of aggregate .

Ordinary Portland cement
Quick setting cement
Rapid hardening cement
High alumina cement
High strength cement
Acid resisting cement
Color cement
Pozzolana cement
Super sulphate cement
White cement.

5.What are the different methods of mix design?
ACI method
British DOE method
IS code method

6.Define segregation
Segregation is the separation of concrete ingredients like   coarse aggregate fine aggregate  and cement so the concrete have no strength.

7.Define bleeding
Bleeding is the process of separation of cement  from concrete .so the concrete losses there strength

8.purpose  of slumptest
Slump test is used to find out the workability of concrete. This is the empirical method the slump cone size is bottom diameter 20 cm, top diameter 10 cm, height 30 cm

9.chemical composition of ordinary Portland cement
Cao-60 to 65 %
SiO 2 20-25%
AL2O3 4-8%
Fe2O3-24%
MgO-1-3%

10. what are the different types of concrete mixes?
Nominal mix
Standard mixes
Design mixes
11.Define mix design
Mix design is the process of selection of suitable ingredients for the concrete and to determine the relative proportion with the object of producing concrete of certain minimum strength and durability as economy as possible.

12.what is the grade of cement and its types
Grade of cement is based of crushing strength of cement mortar cube of size 7.5 cm cured for 28days
They are classified into there types .grate 33,grade 43,grade 53

13.What is curing
Curing is the process of maintain the cement constructed place in wet condition .to achieve the compressive strength of cement constructed place and reduce the cracks

14.what are methods of curing the concrete
Water curing, membrane curing application of heat, miscellaneous

Accelerators
Retarders
Gas forming agents
Workability agents
Plasticizers
Super plasticize
Air entering agent

16.What is the workability of concrete?
Workability is defined as the amount of work required to place concrete and to compact it thoroughly. workability of concrete is increase with increasing of water content to concrete but it causes to reduce the strength of concrete.

17.define masonry
Masonry is the construction structure it made  either stone masonry or brick masonry .masonry is used to construct buildings dams columns etc.

18.types of masonry
Bricks masonry
Stone masonry
Block masonry

19.classification of stone masonry
Random rubble masonry
Squared rubble masonry
Coursed rubble masonry
Ashlar masonry

20.types of bonds used in brick masonry
English bond
Flemish bond

21.what is English bond

The brick in the facing are laid in alternate courses of headers and stretchers .the header course is commenced with a queen header followed by a queen closer and continued with successive headers the stretcher coursed are formed by stretchers having a minimum lap of one quarter their length over the header.
          
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SHORT DEFINITIONS IN CONSTRUCTION MATERIAL  AND EQUIPMENT PART-2
SHORT DEFINITIONS IN CONSTRUCTION MATERIAL  AND EQUIPMENT PART-3
SHORT DEFINITIONS IN CONSTRUCTION MATERIAL  AND EQUIPMENT PART-4
SHORT DEFINITIONS IN CONSTRUCTION MATERIAL  AND EQUIPMENT PART-5

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