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Palmyra Fiber as Additional Materials on Solid Concrete Brick of Aggregate
Published by Universitas Nusa Cendana
ISSN : 20399340     EISSN : 20392117     DOI : 10.36941/mjss
Core Subject : Economy, Science, Engineering,
Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Materials Science & Nanotechnology
The use of waste as an additional material on the building work was increasingly actively developed, such as straw, styrofoam, bagasse, cow manure. The key drivers of the use of waste is the potential for waste is increasing, due to the depletion of non-renewable resources. Papyrus rod diameter 60 cm, length 30 meters, has a volume of 5,652m3 as well as the edges of the Rods that can be used for construction with a thickness of 3 cm has a volume 0,942m3, Pith and fiber volume content of the stem 4,71m3/rod, then in one rod, there are 2 to 3 bunches each fruit bunches yield as much as 20 to 30 items for one harvest, by weight of fruit fiber 101.2 gram / fruit, Fiber characteristics are round and smooth is expected to reduce cracks in solid concrete brick and also can reduce the use of sand. This study aims to determine the compressive strength of the composition of the additional material of Rods fiber content and Fiber of palmyra fruit with a percentage 3%, 6% and 9%, mixing ratio; 1 cement and 5 sand in the manufacture of solid concrete brick. Rods fiber content used the average Ø1,031mm with a tensile strength of single fiber 39,305N / cm and fruit fiber to an average value Ø0,40mm with a tensile strength of single fiber 33,691N / cm. Making test specimen with a length of 20cm, width 10cm and thick 8cm. The test results of compressive strength after 14 days with the lowest value at 3% of additional material combination of fiber content of 6% fiber stem and fruit by 70,384Kg/cm²with a water content of 15,254% In weight position 2,935Kg as well as the highest value on the combination of additional material 0% rods fiber content and 3% fruit fiber by 98,821Kg/cm² with a water content of 15,031% In weight position 3,058Kg. While N (without additional material) with a compressive strength below the average id 63,704Kg/cm2 with water content of 10,167 in weight position 3,072Kg. Research result of solid concrete brick with additional material of rods fiber content and palmyra fruit fiber was included on the type B70, the average value of the compressive strength of 78.57 Kg / cm² (SNI-03-1348-1989) with a water content of <25%.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 6 Documents
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Search results for , issue "Vol. 12 No. 2 (2021): March 2021" : 6 Documents clear
Spatial Analysis of Residents’ Response to Fear of Crime in Osogbo, Osun State, Nigeria Farodoye, Seyi Oloyede; Olawuni, Peter O.; Oladehinde , Gbenga John; Atoyebi, Olumuyiwa Sola; Ayoola, Lukuman Opeyemi
Mediterranean Journal of Social Sciences Vol. 12 No. 2 (2021): March 2021
Publisher : Richtmann Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36941/mjss-2021-0007

Abstract

The study investigated spatial pattern of residents' response to the fear of crime in Osogbo Local Government Area, Osun State, Nigeria. Primary data was collected by stratifying the Osogbo into three residential neighborhoods, namely; core, transition, and suburban areas. Systematic sampling was used in selecting 112 respondents across residential neighborhoods. The level of Crime Occurrence Index (LCOI) in the core area was 5.03 while 5.90 and 5.31 were indices for transition and suburban areas. The study recorded that religion, police patrol, lightning, membership/ support of vigilante and use of joint community responses were the commonly used strategy in responding to fear of crime while insurance scheme, burglary alarm system, closed-circuit television (CCTV), and surveillance camera were the least strategies used in responding to fear of crime in the study area. The study concludes that there is a significant difference in the responses of residents to fear of crime in the various residential neighborhoods. Received: 21 December 2020 / Accepted: 18 February 2021 / Published: 7 March 2021
Village Governance in Realizing Excellent Service in Jumantuang Village, Siempat Nempu District, Dairi Regency Ivanna, Julia; Manullang, Manogu Mitra P; Hadiningrum, Sri
Mediterranean Journal of Social Sciences Vol. 12 No. 2 (2021): March 2021
Publisher : Richtmann Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36941/mjss-2021-0008

Abstract

This study aims to determine Village Governance in Realizing Excellent Service in Jumantuang Village, Siempat Nempu District, Dairi Regency. Its governance is one part of realizing excellent service provided by village government officials. The research method used by researchers is descriptive qualitative research methods. Data collection tools used were observation and interviews and documentation. The data analysis technique used was qualitative data analysis techniques. This technique functions to process qualitative data and analyze data that has been obtained from the results of observations and interviews related to village governance in realizing excellent service. Narrative data obtained from interviews and observations are interpreted for further analysis. So in qualitative research, data analysis must start from the beginning. The results showed that its governance in realizing excellent service in Jumantuang Village has gone well. Jumantuang Village, as a public servant has served the community well and refers to the four characteristics of excellent service, namely by providing easy and fast, open services, in accordance with what the community needs, and implementing a familiarity with the community in Jumantuang Village. So that, the service in the community can be said to be better than before. The hope is that the government and the community can establish good cooperation in the success of service activities within Jumantuang Village. Received: 12 January 2021 / Accepted: 27 February 2021 / Published: 7 March 2021
Some Reflections on the Constitutional Review in Albania in a Comparison Key Tafani, Ismail; Tokrri, Renata
Mediterranean Journal of Social Sciences Vol. 12 No. 2 (2021): March 2021
Publisher : Richtmann Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36941/mjss-2021-0009

Abstract

In this study we will try to analyze the foundations of the Constitution as a pillar and as a guarantee for its solidity. The study will also address the need for revision of the constitution as a fundamental element of its existence and continuity. Particular emphasis will be given to the comparison of the constitutions of the most important countries in the world as regards the procedures and limits to the constitutional revision. In this sense, the constitutions of some Balkan Peninsula countries will be analyzed to draw a comparison and analyze the Albanian Constitution as regards the procedure for its revision. The study intends to analyze the procedures for the revision of the Constitution as well as the explicit and implicit limits to these revisions. In the Constitutional revision in Albania in 2016, the role of the Constitutional Court on the control of the constitutional legitimacy of constitutional revision laws was clarified. Formal constitutionality is usually emphasized since the Albanian constitutional reform underlined that the Constitutional Court in Albania could express itself on the constitutionality of the Constitutional revision law only from a formal point of view. Received: 2 January 2021 / Accepted: 27 February 2021 / Published: 7 March 2021
Re-Constructing the Tutors-Tutees Relationships for Better Academic Performance in Universities Amidst Covid-19 New Normal Omodan, Bunmi Isaiah; Ige, Olugbenga A.
Mediterranean Journal of Social Sciences Vol. 12 No. 2 (2021): March 2021
Publisher : Richtmann Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36941/mjss-2021-0010

Abstract

In the past, the success of Supplemental Instruction (Tutorial Sessions) depends on the tutors and tutees' physical and social relationships. However, the assumption exists that when there are no physical connections between the duos may affect their social interrelationships, impeding the success and intention of SI in the University classrooms. This study, therefore, investigates the current relationships amidst new normal towards SI and students performance. The study is underpinned by attachment theory to unravel the extent, importance and shortcomings of the assumed change in the relationship between the understudied. The study is guided by the Transformative Paradigm (TP) and Participatory Research (PR) to identify the possible dichotomies in their relationships. Purposive selection method was used to select five tutors and five tutees in a selected university in South Africa. Online (WhatsApp, email, and telephonic) interview was used to collect data from the participants. The data were subjected to thematic analysis. The result showed that that; struggles with the use and lack of Internet-of-Things and unstructured work-hours were the significant challenges that affected online tutorial sessions. On the other hand, the study also found out that students need ICT training and devices, including motivation for performance. Therefore, we recommend that training of ICT and provision of devices alongside strong motivation should be ensured. Received: 1 February 2021 / Accepted: 3 March 2021 / Published: 7 March 2021
Availability of Compliance Status in the Documentary Credit Opening Contract: A Study on the Jordanian Legislations Al Maamari, Abdulwahab Abdullah; Al Ghuwairi, Abdallah Hameed
Mediterranean Journal of Social Sciences Vol. 12 No. 2 (2021): March 2021
Publisher : Richtmann Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36941/mjss-2021-0011

Abstract

The letter of credit (L/C) contract is one of a range of banking operations through which banks can finance foreign trade. The contract provides security and stability to the trade because of the trust and credit it gives, since the buyer may be in one country and the seller in another, so as to assure each other that the other party fulfills its obligation. However, is this contract can be considered as a compliance contract so the relations between parties is a submissive weak-strong relationship? This necessarily entails examining the availability of legal protection to prevent the abuse of a strong party. Hence, this paper aims to examine the availability of compliance status in the documentary credit opening contract and focuses on the Jordanian legislations as a case study. The comparative analytical approach is executed in this study. The findings reveal that the L/C contract is influenced by the concept of compliance, however the L/C contract can be adjusted by the client, in accordance with the rules and provisions of this credit. Received: 31 January 2021 / Accepted: 27 February 2021 / Published: 7 March 2021
Evaluation of Heavy Metals and Total Hydrocarbon Concentration in the Qua Iboe River Estuary, Akwa Ibom State, Nigeria Eni, D. Imoke; Arikpo, I. Abam; Oko, Peter Ereh
Mediterranean Journal of Social Sciences Vol. 12 No. 2 (2021): March 2021
Publisher : Richtmann Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36941/mjss-2021-0012

Abstract

The research assessed the concentration level of heavy metals and total hydrocarbon in Qua Iboe River Estuary of Akwa Ibom State, Nigeria during the months of April, May and June. The experimental research design was adopted and a total of 72 water samples were collected on weekly basis from ST1, ST2 and ST3 during high and low tides in thoroughly-rinsed 1-litre plastic containers to avoid adulteration of the samples. Samples were analyzed in-situ and in the laboratory using standard methods. The results of the concentrations of the sampled parameters during high tide included: Cr (0.003-0.21mgl-1), Fe (0.123-0.511mgl-1); Mn (0.018-0.66mgl-1), Pb (0.105-0.603mgl-1), Mg (0.42-0.623mgl-1), Cu (0.00-0.32mgl-1) and THC (0.12-0.88mgl-1)while the low tide concentrations showed: Cr (0.001-0.061mgl-1), Fe (0.56-4.11mgl-1), Mn (0.002-0.13mgl-1), Pb (0.011-0.211mgl-1), Mg (0.108-1.342mgl-1), Cu (0.011-0.076mgl-1) and THC (0.23-0.80mgl-1). The concentrations of Hg and As were negligible throughout the study. Analysis revealed that THC varied significantly across the sampled stations (ANOVA, P <0.001). Pollution Index, PI <1 for Ni, Mn, Na, Hg, As, Mg and Cu, implied that there was no pollution in the estuary. Fe showed that the estuary was slightly polluted with PI 1-2; Cr, V and THC recorded PI 2-3 signifying that the water was moderately polluted; PI >5 for Pb revealed that the estuary was seriously polluted with lead. The oil spills by ExxonMobil’s offshore platforms in the area, the heinous practices of waste dumping along the coast have resulted in the high THC and heavy metals concentrations found in the water samples. Hence, the water in Qua Iboe River Estuary is polluted and not safe for personal or domestic uses. The study recommended that Exxon Mobil and other oil companies in Nigeria should adhere strictly to international best practices in oil exploration/exploitation, environmental conservation, maintenance of equipment and safety of their infrastructure should be their priority. Prompt actions should be taken towards clean-up exercises in case of oil spill incidents in the area and proper, modern sewage and solid wastes disposal mechanism should be put in place by the host communities. Received: 31 January 2021 / Accepted: 27 February 2021 / Published: 7 March 2021

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