Reinforced Hollow Block (Chapter III)

Research Design
The researchers used an experimental research design with parallel setup because the study
is conducted using different setups and trial from the conceptual framework. By conducting
attempts on each setup, the researchers were able to determine and deduce the consequences and
possibilities of the product. The independent variable of the project which is the mass of the
aggregates such as coconut shells and waste glass is administered to the experimental group and
not to the controlled group. This enables the researchers to reach valid conclusions about the
relationships between all the variables in this study.
Materials and Equipment
In making the product we used hollow block molder to be used in molding a hollow block,
tarima for dying the hollow block, coconut shell and waste glass as primary additives, a shovel for
mixing the cement to the coconut shell and waste glass, and water for making the cement stick
Preparation of the Reinforced Hollow Block. The procedure was applied, and its
materials may additionally vary relying on the setup used whether it is setup A, B, C, and D. First,
acquire all the substances and equipment needed. Second, combine all the materials for supposed
setups. In setup A were cement is 5kg, sand is 6kg, water is 1 liter and waste glass is 1kg. In setup
B were cement is 5kg, sand is 6kg, water is 1L and coconut shell is 1kg. In setup C were cement
is 5kg, sand is 6kg, water is 1L, coconut shell and waste glass with 1kg each. In setup D the CHB
was used. After mixing, put the hollow block molder on the top of the tarima. After putting the
hollow block molder, put the mixture inside of it. Then mold the hollow block thoroughly so it
will be durable. Lastly, put the wet hollow block underneath the solar with the accruing time of 1
Testing the durability of the hollow blocks. The hollow block will be tested thru the
water absorption test. Soak the Reinforced hollow blocks and the commercial concrete hollow
block into the water for three consecutive period of fifteen minutes, then lift them up for 30 seconds
and then measure the mass of each Reinforced hollow blocks and commercial concrete hollow
block as basis of its water absorptive capacity. Compare the results of the computed mass for the
Reinforced hollow blocks and commercial CHB afterwards.
Data Gathering and Analysis. In determining the significant difference of the reinforced
hollow blocks at two-way ANOVA without replication was used to interpret the results. The
researchers chose the said statistical treatment since the data involved are both parametric
measures that includes the mass after soak in water and the time interval as two independent
variables. The computed significant p-value of the data is compared to the set-level of significance
at .10 alpha value
Definition of Terms
These are the terms used in the study:
Hollow blocks. It refers to a solid piece of material (such as rock or wood) that has flat
sides and is usually square or rectangular (Merriam Webster Dictionary, 2018). As used in the
study, hollow blocks are the output of every made set-up.
Reinforced. To strengthen (something, such as clothing or a building) by adding more
material for support (Merriam Webster Dictionary, 2018). As used in the study, reinforced was
used to describe our product.
Additives. Something (such as chemical) that is added in small amounts to a substance to
improve it in some way (Merriam Webster Dictionary, 2018). As used in the study, additives are
the coarse aggregates (coconut shells and broken/waste glasses) added in the supposed set-ups.
Water-absorption test. A test to determine the moisture content of soil as a percentage
of its dry weight (British Standard 1377, 1967) (Dictionary of Ecology, 2004). As used in the
study, water-absorption test was used to check our products durability and was also used to gather
our data.
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