SCIENCE MATERIALS PERTEMUAN 04 Matakuliah: S0372 – Kimia Teknik Sipil Tahun: Ganjil 2007/2008

Bina Nusantara SCIENCE MATERIALS 1.Concrete 2.Paint 3.Steel

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CONCRETE POLYMER  Polymer is that big molecule weighing materials referred as polymer, having structure and nature of complicated because of amount of atom.  A number of insoluble polymer materials generally solvent and even so can be dissolve, its very high viscosity.  Generally coalesce kovalen, liquid polymer materials considerably jell and not condense. Materials that cannot merger ravelled because heat become carbon, final phase without evaporation.  Polymer concrete: representing concrete materials which is impregnation with polymer so that yield a[n materials which in character is better the than its own concrete.

Bina Nusantara NATURE OF TYPICALLY MATERIALS POLYMER Strong and light product can be made. Good Electrics insulation. And earn also made by conductor with alloy. Very well in water resilience and chemical essence resilience. Product enough differ in character. Cheaper polymer. Less hold up to heat. Hardness of very surface less. Less hold up to destroyer. Easy to loaded by electrics electrostatically. Some materials hold up abrasi, or have small coefficient of friction.

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COMPOSITE OF POLYMER CONCRETE Requirement mount, Demand construction: –Strength. –Flexing, and. –Durabel. Make-Up of efektifitas. 1.Repair to the quality of concrete. 2.Merger of making technology various composite base on cement. Polymer concrete usually hold up to corrosive environment. Composite of polymer concrete. Concrete strenghtened by polymer (PIC) 1.Concrete cement polymer (PCC), pasta mixture cement with aggregat which have been added by monomer before setting. 2.Polymer concrete, representing bound by aggregate is polymer binder. 3.Concrete strenghtened by fibre (FRC) 4.Polymer concrete strenghtened by fibre. Its process can be conducted by Termal, katalitik, and radiation.

Bina Nusantara STEEL Iron and steel at most weared upon which industry representing source very big, where some of determined by its economic value, but most importantly because in character which vary. That is that the materials have various nature of from hardest made easy and mellowiest until keen and even also for the knife of cutter can be made, or any kind of with any form can be made with moulding. Of iron element various metal structure form can be made, that is why steel and iron referred by rich materials with nature of. Steel have the important mixture is carbon. Besides carbon at steel and iron consist in about 0,25% The, 0,3-1,5% Mn and other pollutant element like P, S, etcetera