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| Last additions - House Construction |
Ring BeamA ring beam is run horizontally around the entire structure below the window openings. Here we see the beam frame work in place. dozerSep 27, 2011
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Ring Beam Form WorkThe form work for the horizontal ring beam is made of plywood. Notice 9mm rebar strips are used to ensure that the form work doesn't deform during the pour. dozerSep 27, 2011
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Floor Structure with Damp CourseThe floor rebar is spaced at 20 centimeter intervals and red bricks are used as spacers. The damp course material is a heavy thick black plastic which is hard to find. It is more durable and resistant to tearing. The normal clear plastic is problematic and should be avoided. Of course, any damp course is better than no damp course!dozerSep 27, 2011
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Concrete Samples for Compressive TestThe floor and foundation are poured using CPAC 280 steng (which equates to 280 ksc or 280 kilograms per square centimeter of compressive stregth). The slump is 12 - 14 centimeters which is on the dry side for extra strength. The samples will be further analyzed at the factory and a report certification sent. dozerSep 27, 2011
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Floor + Ground Beam PourThe concrete being poured also has a water proofer as a double protective factor to ensure the damp course. The ground beams and floor is being poured. The floor pour is 10 - 12 centimeters. dozerSep 27, 2011
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Slump TestHere is the slump test being performed by a CPAC QA engineer. If the slump is 12 to 14 centimeters the concrete is dryish, 15-17 the concrete is normal and 18 + the concrete is watery. Although 12 to 14 is a bit harder to work it is a stronger and more desirable product to be used in the flooring and ground beam. Workers often prefer 18 + as it is easier to work, without regard to the strength characteristics of the concrete. dozerSep 27, 2011
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Floor LevelThe ultimate target floor level is indicated by the prepoured concrete cone in the middle of the picture. Once the CPAC is poured this provides a reference for the leveling process. Note that the finished poured floor is not exactly level, the ultimate leveling occurs during the laying of the ceramic floor tiles. dozerSep 27, 2011
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Concrete being AppliedThe concrete is delivered from the truck to the desired spot via our 30 centimeter PVC half pieces. This works better than other delivery systems and avoids extra cost required for special equipment. dozerSep 27, 2011
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Vibrator avoids Voids in the ConcreteA vibrator is necessary to avoid voids in the final product. When the vibrator is applied to the concrete you will see the area around the vibration compact and sink quickly. dozerSep 27, 2011
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Freshly Poured FloorThe poured and leveled floor. dozerSep 27, 2011
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Rough Surface ApplicationThe surface is roughed after drying slightly in preparation for tile application. dozerSep 27, 2011
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Roughed SurfaceHere is a roughed surface. A bamboo broom or a handful of wire (the same wire used to tie the rebar together) is used to rough the surface.dozerSep 27, 2011
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