Make concrete
types
elements
Caracteristics
advantages and drawbacks
100
Cement, water, sand, gravel
What are the different elements of concrete ?
100
Reinforced concrete
What's the sturdiest but also the most resistant concrete ?
100
Adjuvants
Which elements can modify the caracteristics of concrete ?
100
2500 Kg /m3
Whats the density of the standart concrete ?
100
Long lasting
What's an advantage of concrete ?
200
To get the air out
Why do we shake the concrete when placed ?
200
Floating concrete
Which concrete is the most easy to handle ?
200
Gravels
Which elements give resistance to the concrete ?
200
15 to 60 MPa
What's the compression resistance of the standart concrete ( in MPa) ?
200
Huge carbon footprint
Why concrete is not ecological ?
300
Adding steel
How is resistance increased in concrete ?
300
What are prefabricated walls ?
300
Plasticizer and setting accellerator
What are two adjuvants ?
300
About 50 years
What's the longevity of concrete ?
300
Various shapes/forms
What is the shape of concrete ?
400
10-15%
What's the proportion of cement in the classic concrete mix ?
400
To consolidate the fundations
What's the usage of the blinding concrete
400
Clinker
What's the element which is the result of the mix of clay and limestone ?
400
1,5 to 2 W/M/K
WHat is the thermal conductivity of concrete ?
400
Insulation
What cost is cut by using concrete ?
500
What's the the tool which's used to test the plasticity of the concrete ?
500
Fibered concrete
What's the type of concrete which is used to fight the withdrawal effect ?
500
Cement
which element is created at 1500°C ?
500
1,5 to 2,5 kJ.m-2.K-1.s-1/2
What is the efflusivity of concrete
500
50 to 60 dB
How much does concrete insulate from sound ?