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Design And Production Of Ceiling Board Using Plaster Of Paris (pop) Gypsum Material
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3.9 FLEXURAL STRENGTH TEST
The flexural strength of the sample was determine by carrying out flexural test on the sample produced by supporting the sample at both edges and thereafter placing a wooden rod of known weight at mid-span of the sample (this serves as the medium through which load is applied on the sample). The sheets were loaded until there is a longitudinal crack along the sample to determine the flexural load.
Dimension of sheets = 62mm x 62mm x 3mm
Flexural Strength,
F = Ultimate Load applied to failure (N)
L = length of specimen (mm)
B = breadth of sample (mm)
D = depth of sample (mm2)
The unit of flexural test is N/mm2
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ABSRACT - [ Total Page(s): 1 ]ABSTRACTThis project, Design and production of ceiling board using Plaster of Paris (POP) Gypsum materials. Gypsum is basically the raw material required in the manufacturing Plaster of Paris (POP) which posses an outstanding property and a good material for producing ceiling board.The materials procured for the project are plaster of Paris, fiber, water and mould. The equipment used for the project are scrapper, measuring tape, mixing bowl, bucket. Firstly, water was poured into the container ... Continue reading---
LIST OF TABLES - [ Total Page(s): 1 ]LIST OF TABLESTable 4.1 Water Absorption test Result Table 4.2 Flexural Strength test Result ... Continue reading---
LIST OF PLATES - [ Total Page(s): 1 ]LIST OF PLATESPlate 4.1 Mould used for the project Plate 4.2 Application of separator Plate 4.3 Mixing of Aggregate Plate 4.4 Casting process 1 Plate 4.5 Casting process 2 Plate 4.6 Casting process 3 Plate 4.7 waiting for the sample to set Plate 4.8 Demoulding Plate 4.9 The Sample Plate 4.10 Weighing of the sample ... Continue reading---
TABLE OF CONTENTS - [ Total Page(s): 1 ]TABLE OF CONTENTSTitle page Certification Dedication Acknowledgement Abstract Table of contents List of plates List of tables CHAPTER ONE1.0 Introduction 1.1 Statement of problem 1.2 Aim and Objectives 1.3 Justification of study 1.4 Scope of the study CHAPTER TWO2.0 Literature Review 2.1 History of Gypsum 2.2 Old use of Gypsum 2.3 Modern use of Gypsum 2.4 Gypsum Credential 2.5 ... Continue reading---
CHAPTER ONE - [ Total Page(s): 1 ]CHAPTER ONE1.0 INTRODUCTIONThis project deals with the design and production of ceiling board using POP gypsum materials. Plaster of Paris (POP) which is calcium sulphate with half molecule of water of crystallization (CaSO4.1/2H20) and hygroscopic characteristic obtained by duly calcined the material that is Gypsum (CaSO4.2H20). It possess an outstanding property of setting and subsequent hardening when mixed with water (Smith, 1896).Gypsum is basically the raw material require to ... Continue reading---
CHAPTER TWO - [ Total Page(s): 4 ]CHAPTER TWO2.0 LITERATURE REVIEW In 1888, Augustine Sackett used plaster of Paris sandwiched between several layer to produce what would eventually become Sackett board, the original gypsum board. The modern gypsum board known as “Sackett board†a composite material that was made of layer of thin plaster placed between four piles of wool felt paper. Sackett board was patented in 1894. In this regards Augustine Sackett is generally considered to be the grandfather of gyp ... Continue reading---
CHAPTER FOUR - [ Total Page(s): 8 ]CHAPTER FOUR4.0 RESULT AND DISCUSSION4.1 The plates below shows how the project was carried out. ... Continue reading---
CHAPTER FIVE - [ Total Page(s): 1 ]CHAPTER FIVE5.0 CONCLUSION AND RECOMMENDATION5.1 CONCLUSION Generally, ceiling is an overhead interior or exterior surface that covers the upper limit of the room. It is not generally considered as a structural element but a finished surface concealing the underside of the roof above. Due to the dominance of asbestos as ceiling material in building with its health hazard, effort was made to produce ceiling board from Gypsum materials. It was deduced from water absor ... Continue reading---
REFRENCES - [ Total Page(s): 1 ]REFERENCESAhankari, S.S., Mohanty, A.K., Misra, M., 2011. Mechanical behaviour of agro-residue reinforced poly (3-hydroxybutyrate-co-3-hydroxyvalerate), (PHBV) green composites: comparison with traditional polypropylene composites. Compos. Sci. Technol. 71, 653–657.Ashori, A., Nourbakhsh, A., 2010. Bio-based composites from waste agricultural residues. Waste Manage. 30, 680–684.ASTM C1161 – 02c (2008)e1, Standard test method for flexural strength of advanced ceramics at ambi ... Continue reading---
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ABSRACT - [ Total Page(s): 1 ]ABSTRACTThis project, Design and production of ceiling board using Plaster of Paris (POP) Gypsum materials. Gypsum is basically the raw material required in the manufacturing Plaster of Paris (POP) which posses an outstanding property and a good material for producing ceiling board.The materials procured for the project are plaster of Paris, fiber, water and mould. The equipment used for the project are scrapper, measuring tape, mixing bowl, bucket. Firstly, water was poured into the container ... Continue reading---