1. BUILDING MATERIALS

4. Compact rocks:There are blocks of limestone, marble,granite, slate, sandstone and they are call ashlar, rubble, cobblestones and slabs.

5. Desintegrated rocks: It is a set of stones of varying size. They are mainly small. Types:

6. Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.

7. Clay is a naturally occurring material composed primarily of fine-grained minerals

8. Binder materials binder materials Is called caking material capable of uniting fragments of one or more material and give cohesion to the set through chemical changes in its mass produce new compounds.

10. Plaster:It is a mineral in form of dust used to cover walls and ceilings.

11. Cement:It is the mos important binder.

13. There are different types: Mass concrete,cyclopean concrete,aerated concrete,reinforced concrete.

15. Cyclopean concrete: Made up of cement, water, aggregates.

16. Aerated concrete:

17. Reinforced concrete:

19. The process consist of 2 steps

20. Mixing and molding: Some machines mix clay with water.Then,they take form and there are cut depending on the side.

21. Continuous Baking:The material go to differents cameras with different temperature.

24. -Normal bricks:They have less resistant.

25. Tiles: Pieces of clay used in roofing.

26. Glazed ceramic:Rectangular pieces made up of two layers.

27. Stoneware: Mixture of clay, quartz and feldspar.

28. Porcelain:Ceramic material coated with enamel.

29. Metal is called the chemical elements characterized by being good conductors of heat and electricity, have high density, and are solid at normal temperatures (except mercury Metals are materials obtained from minerals that are part of the rocks . The most iportnt metals materials are: steel, aluminum and copper Metal materials

30. Phases of building construction 1.Land preparation 2.Foundation Pile 3.Structure 4.Covered 5. Enclosures 6.Flooring and cloisonne

31. Land preparation Is consist of ó smooth, demolishing, excavating, leveling the ground ... to build on it

32. Foundation pile is the placement of the elements that form the base of the building

33. Structures used columns, slabs that form the floors of the building

34. Covered involves placing tiles, slabs, etc .... to protect the building from rain, wind ...

35. Enclosures is to isolate the building with brick exterior, polyurethane foam insulation work.

36. Flooring and cloisonne is wrought with different coating materials, natural or synthetic