• Sustainable Cement Utilization
    [Enugu, Enugu State Nigeria]

  • CHAPTER FOUR -- [Total Page(s) 3]

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    • 4.2.9.3: Respondent’s view on the number of trucks that come into the market weekly and the type of cement sold 28.57% of the respondents indicated that less than six (6) trucks of cement are brought into the market, 39.68% said that the number of trucks brought to the market is between six (6) to ten (10). The remaining 31.75% said that more than ten (10) trucks are brought into the market per week on the type of cement sold, all the respondents said they sale Portland cement. From the response, one can see that the number of trucks brought into the market differs depending on the depot. Some are seen to be major depot and are known while others are not so known therefore do not have as much customers as the major depot. Also the trucks are brought on demand while some dealers have big capital to work with others are nor as wealthy and may not be able to order for much truck as the others.

      FINDINGS

      a) Most of the cement dealers were male as well as the site personnels, a greater percentage are married and above the age of 40. Their educational background is between secondary school level and above. cix They have also been in the business for more than 10 years and are categorized under high income earners, that is earning N 30,000 naira and above. They do not need certificate to be in business just experience.

      b) In Enugu State, the major part where cement is sold is in Enugu South, particularly in Kenyatta Depot. This is regarded as the major depot, with many distributors as well as big shops.

      c) The dealers as well as the site personnels get this product from within the country, from different companies. The companies may have gotten this product in bulk and now bagged there products. But this is not vey clear from the market and sites because they all buy this product from the distributors in bags.

      d) Cement becomes scarce at some time of the year which is not steady it could be in the wet or dry season depending on factory factors. Outside being scarce at some times. Mostly this product is always available when demanded from the companies.

      e) Transportation adversely contributes to environmental impact of cement.The trucks that convey the cement from the companies to the different depots and sites emit CO2 which is very unfriendly to the environment. Also when these trucks are piled in a long line because of cx traffic congestion, this effect becomes more adverse. The bad road also shows the movement of these trucks. The price of this product is affected by transportation which is caused by price changes in the fuel price.

      f) Complaints are lodged with practically little or no response as these complaints may actually not get the producers. Especially because of the fact that their complaints are made verbally.

      g) Majority of the brand of cement sold is Dangote and a little like Unicem, Ibeto, etc. This could be as a result of the fact that Nkalagu cement is not presently functional and Ibeto just started production after a long time of staying out of production.

      h) The dealers mind the brand that can be easily sold off before going for it and because they also want to met up with the demand. An average dealer will get between 300 – 600 bags per week in his depot that is approximately one truck per week because a truck contains 600 bags.

      i) The alternative to cement in building production which includes mud/clay, interlocking blocks, bricks etc is not used perfectly because the use of mud is gradually dying off as an out dated practice while others like bricks, interlocking are not known a to be used.

      j) The quantity of cement produced can be increased with the reactivation of the first and foremost cement factory, Nkalagu Cement.

      k) The use of cement in construction is still on the increase since the alternatives are not yet fully in use.

      l) The fall in cement supply has been attributed to the expiration of licences to import the bulk cement, and the failure of government to issue new ones.


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    • ABSRACT - [ Total Page(s): 1 ]ABSTRACTThe research work examined and analyzed Sustainable Cement Utilization in Enugu, Enugu State Nigeria. The research was carried out between July 2009 and January 2010. Sustainability is the power to use a thing and still keep it going or maintained for the next use. (Oxford Dictionary). The concept of sustainability now transcends environmental sustainability to embrace economic and social sustainability (Plessis 2001). Cement is the key element in the rapidly growing construction sector. ... Continue reading---

         

      QUESTIONNAIRE - [ Total Page(s): 2 ]QUESTIONNAIRESECTION AQUESTIONNAIRE FOR THE CEMENT DEALERS IN ENUGUPlease tick (√) or indicate in the box against your responses.1. Sex (a) Male [  ](b) Female[  ]2. Marital Status (a) Single [  ](b) Married[  ]3. Age (a) Below 20 [  ](b) 20-39 [  ](c) 40 and above[  ]4. Educational background (a) Primary School[  ] (b) SecondarySchool [  ](c) Tertiary Institution [  ](d) Professional Certificate[  ](e) None of the above[  ]5. How long have you been in this business (a) below 5 ... Continue reading---

         

      LIST OF TABLES - [ Total Page(s): 1 ]LIST OF TABLESTABLE 1: Typical Constituent of Portland Cement. Cement Industry Notation under CCNTABLE 2: Test Result of Ikpayongo LateriteTable 3: Gender, marital status and age groupTable 4: Educational back ground and number of years in the business.Table 5: Income level per month and locationTable 6: Getting the product and the form in which they get the product.Table 7: Biggest challenge to the cement producers and the brand of cement commonly usedTable 8: Brand of cement used/soldTable 9: ... Continue reading---

         

      LIST OF PLATES - [ Total Page(s): 1 ]LIST OF PLATESPLATE 1: A Pallet with Portland CementPLATE 2: Blue Circle Southern Cement; Works near Berrima, New South Wales, Australia.PLATE 3: Cement plant, Midlothian, TexasPLATE 4: A limestone Prehomogenization pile being built by a boom stackerPLATE 5: A completed limestone pre homogenization pilePLATE 6: Precalciner kilnPLATE 7: Typical clinker nodulesPLATE 8: 10 MW cement mill, producing cement at 270 tonnes per hourPLATE 9: Decorative use of Portland cement panels on London’s Gro ... Continue reading---

         

      LIST OF FIGURES - [ Total Page(s): 1 ]LIST OF FIGURESFIG 1: Schematic explanation of Portland cement productionFIG.2: Chart for Constituent Materials for Low-Cost HousingFIG.3: Coarse AggregateFIG.4: Bamboo and Palm Fibres as Alternatives to Steel Reinforcement ... Continue reading---

         

      TABLE OF CONTENTS - [ Total Page(s): 1 ]TABLE OF CONTENTCertification………………………………….………………………….……... iTitle page………………………………………………………………..…….. iiAcknowledgement…………………………†... Continue reading---

         

      CHAPTER ONE - [ Total Page(s): 2 ]CHAPTER ONE INTRODUCTION Sustainability is an integrating and holistic process aiming to restore harmony between the natural and the built environment, and create settlements that affirm human dignity and encourage equity (Yitmen 2005). Sustainability is the power to use a thing and keep it going or maintained for the next use (Oxford Advanced Dictionary). It can also be defined as using the environment and not jeopardizing the opportunity of being used by the next generation (Obiegbu 2005). Sus ... Continue reading---

         

      CHAPTER TWO - [ Total Page(s): 7 ]White Cement White cement is a Portland cement CEM I made from specially selected raw materials, usually pure chalk and white clay (kaolin) containing very small quantities of iron oxides and manganese oxides. White cement is frequently chosen by architects for use in white, off-white or coloured concretes that will be exposed, inside or outside buildings, to the public's gaze. Masonry Cement: Masonry cements, as their name suggests, are designed for use in masonry mortars for bricklaying, block ... Continue reading---

         

      CHAPTER THREE - [ Total Page(s): 1 ]CHAPTER THREE 3.1: INTRODUCTION This chapter describes the production used in gathering and generating the data needed for carrying out the research work and the subsequent technique for processing and analyzing collected data. 3.2: SOURCES OF DATA COLLECTION The relevant data used for this research emanated from both primary and secondary sources. 3.3: PRIMARY DATA This primary data were generated from questionnaires and oral interview. However the essence of using questionnaires and oral inter ... Continue reading---

         

      CHAPTER FIVE - [ Total Page(s): 1 ]CHAPTER FIVE CONCLUSION AND DISCUSSION This study shows that the socio-economic components of sustainable production and utilization is seen to be most challenging. The strongest effect of utilization of cement is transportation and the unfriendly nature of cement production. The above has a serious impact on the environment. The effect of transportation will be reduced if the roads and railways are in healthy condition. And transportation on the other way round has impact on the price of cement ... Continue reading---

         

      REFRENCES - [ Total Page(s): 1 ]REFERENCES Agbede I.O. Joel. M. (2002), Use of Cement – Sand as mixture in Laterite Brick Production for Loaw Cost Housing Department of Civil Engineering, University of Agriculture, Markudi Benue State, Nigeria. Ajobo O. Akinola A.A, Tijani A.A Cement Production Externalities and Profitability of crop Enterprise in two Local Government Areas of Ogun State, Nigeria. Annual Abstracts of Statistics (2006) Annual Production (2007) Central Bank Bulletin Barnsaye J.A (2007) Cement Bonded Parti ... Continue reading---