scholarly journals Perbandingan Tebal Perkerasan Menggunakan Nilai CBR Laboratorium dan CBR Lapangan (DCP) (JLS Jarit-Puger)

2022 ◽  
Vol 10 (1) ◽  
pp. 11-28
Author(s):  
Alvina Praha Laili ◽  
Akhmad Hasanuddin ◽  
Luthfi Amri Wicaksono
Keyword(s):  
Surface Layer ◽  
Service Providers ◽  
Flexible Pavements ◽  
Secondary Data ◽  
California Bearing Ratio ◽  
High Effect ◽  
Ratio Data ◽  
Road Project ◽  
Pavement Thickness

CBR (California Bearing Ratio) data is used to find out the level of subgrade density, so that a safe pavement thickness can be planned. The calculation of the CBR (California Bearing Ratio) can be done by testing CBR laboratory and DCP. CBR results have a high effect on the surface layer, so that the layer becomes thinner. This condition, if converted to the working price, will be more affordable and efficient. Therefore, this study aims to compare the results of laboratory CBR and Field Cbr (Dcp) to the thickness of flexible pavements in the Development of Trans South-South Java Road Project (TRSS) Lot 8 Jarit - Puger. The method used is Bina Marga Pd T-01-2002-B. Secondary data obtained by weigh bridges and service providers, namely PT. Brantas Abipraya (Persero). Field CBR value using DCP tool is 25.19% while Laboratory CBR value is 21.616%. The results of pavement thickness using Field CBR values ​​for UR 10 years are D1 7.5 cm, D2 10cm, for UR 20 years D1 10 cm, D2 11 cm, for UR 30 years D1 11 cm, D2 12 cm, and for UR 40 years obtained D1 13 cm, D2 14 cm. The greater the CBR value, the thinner the pavement thickness.

scholarly journals Experimental Investigation on Design of Thickness for Flexible Pavement Subgrade Soils using CBR Approach

2020 ◽  
Vol 184 ◽  
pp. 01087
Author(s):  
Y. Kamala Raju ◽  
C. Vivek Kumar
Keyword(s):  
Experimental Investigation ◽  
Bearing Capacity ◽  
Flexible Pavements ◽  
Flexible Pavement ◽  
California Bearing Ratio ◽  
Cement Concrete ◽  
Wheel Load ◽  
Subgrade Soils ◽  
Pavement Thickness

This paper aim’s to ensure that the transmitted stresses due to wheel load are adequately reduced, so that they will not exceed bearing capacity of the sub- grade. This present study deals with the design thickness of flexible pavements, where majority of the Indian roads are flexible pavements having bituminous layer. Earlier, due to the scarcity of cement and India went for flexible pavements with bituminous toppings. This flexible pavement is preferred over cement concrete roads as they have a great advantage that these can be strengthened and improved in stages with the growth of traffic. With a major advantage of this roads and their surfaces milled and recycled for rehabilitation. The flexible pavements are less expensive also about initial investment and maintenance. In this present study, the flexible pavement thickness is designed for both sub grade soils as per IRC:37-2001 code and its pavement thickness is calculated by California Bearing Ratio (CBR)method.

scholarly journals STUDI PERENCANAAN PENINGKATAN JALAN PADA RUAS JALAN JALUR LINTAS SELATAN GIRIWOYO – DUWET STA. 10+000 – STA. 15+000

2019 ◽  
Vol 2 (1) ◽  
pp. 39
Author(s):  
Agung Kurniawan ◽  
Sigit Winarto ◽  
Yosef Cahyo
Keyword(s):  
Cost Estimation ◽  
Flexible Pavement ◽  
California Bearing Ratio ◽  
Rigid Pavement ◽  
The Road ◽  
Road Project ◽  
Pavement Overlay ◽  
The Cost ◽  
Aashto 1993 ◽  
Pavement Thickness

The design improvement of the road, and cost estimate of the south path project, segment Giriwoyo-Duwet Sta.10+000 – Sta.15+00 aims to calculate the geometric, widening, thickness of the rigid pavement, thickness of the flexible pavement overlay, and cost estimates of the improvement road project. 2017 Traffic data and California Bearing Ratio data to calculate the thickness of the rigid pavement. The method used to design the geometric is “Tata Cara Perencanaan Geometrik Jalan Antar Kota Bina Marga 1997”. The thickness of the rigid paving is calculated by means of a 20-year design plan; life uses “AASHTO 1993”. The thickness of flexible pavement overlay with 20 years design life uses “Perencanaan Tebal Perkerasan Lentur Jalan Raya Dengan Metode Analisa Komponen Bina Marga 1987” and “Panduan Analisa Harga Satuan Bina Marga 1995” to calculate the cost estimation. From the calculation of the road known that thickness of rigid pavement for improvement is 15 cm with 10 cm lean mix concrete for subbase, and 5 cm with 2 meters roadside, flexible pavement for the surface. And the calculation of the flexible pavement overlay results is 6 cm. From the calculation, the cost estimation of the improvement road is IDR. 5,015,899,000Perencanaan Peningkatan Jalan Serta Rencana Anggaran Biaya Proyek Jalan Jalur Lintas Selatan Pada Ruas Giriwoyo – Duwet STA. 10+000 – STA. 15+00 bertujuan untuk menghitung pelebaran jalan, tebal perkerasan kaku jalan, tebal lapis tambahan (overlay) perkerasan lentur dan rencana anggaran biaya (RAB) proyek. Data lalu lintas tahun 2017 dan data California Bearing Ratio (CBR) untuk merencanakan tebal perkerasan kaku jalan. Metode yang digunakan untuk perhitungan tebal perkerasan kaku dengan umur rencana 20 tahun menggunakan panduan “AASHTO 1993”. Untuk perhitungan lapis tambahan perkerasan lentur dengan umur rencana 20 tahun menggunakan panduan “Perencanaan Tebal Perkerasan Lentur Jalan Raya Dengan Metode Analisa Komponen Bina Marga 1987” dan untuk rencana anggaran biaya menggunakan “Panduan Analisa Harga Satuan Bina Marga 1995”. Dari analisa perhitungan tebal perkerasan komposit untuk pelebaran jalan didapatkan  tebal pelat beton 15 cm, lapis pondasi bawah dengan campuran beton kurus (lean mix-concrete) setebal 10 cm dan lapis permukaan dari perkerasan lentur 5 cm dengan bahu jalan sepanjang 2 meter pada setiap sisi jalan. Untuk lapis tambahan (overlay) perkerasan lentur didapatkan penambahan setebal 6 cm. Untuk perencanaan peningkatan jalan seperti terdapat pada uraian diperlukan biaya sebesar Rp 5.015.899.000,-

Agro-Innovation – Path to Agricultural Entrepreneurship: Feasibility Study

2019 ◽  
Vol 5 (1) ◽  
pp. 63
Author(s):  
Elias Kamaruzzaman ◽  
Norzaidi Mohd Daud ◽  
Samsudin Wahab ◽  
Rozhan Abu Dardak
Keyword(s):  
Migrant Workers ◽  
Production Cost ◽  
Swot Analysis ◽  
Service Providers ◽  
Secondary Data ◽  
Financial Cost ◽  
Technology Changes ◽  
Property Owners ◽  
The Government ◽  
Agricultural Entrepreneurship

Technology changes will always be for the better, not only to the end users but also to the intellectual property owners of the technology and the implementers of the technology. The objective of this paper is to study the feasibility and viability for entrepreneurs to become service providers for the dispensation of fertilizers, pesticides, fungicides and supporting services such as aerial crop reconnaissance using Unmanned Aerial Vehicles (UAV) or drones. The methodology used for this study is SWOT Analysis. Both primary and secondary data is used for this analysis. This study finds that paddy farming employing drones is feasible. The beneficiaries of this study shall be the government, by way of lowering financial cost to subsidise the paddy planting, the farmers who no longer need the services of migrant workers, thus saving production cost, and finally the drone service providers and their downstream business associates who can engaged themselves in very lucrative businesses.

scholarly journals Evaluating the Impact of State Policy Interventions for LGBT Aging: Comparative Case Study of New York and California

2020 ◽  
Vol 4 (Supplement_1) ◽  
pp. 674-674
Author(s):  
Austin Oswald ◽  
Nancy Giunta ◽  
Tim Johnston ◽  
Sherrill Wayland
Keyword(s):  
New York ◽  
Service Providers ◽  
Secondary Data ◽  
Comparative Case Study ◽  
Policy And Practice ◽  
Sensitivity Training ◽  
Attitudinal Differences ◽  
Group Interest ◽  
The Impact ◽  
Lgbt Aging

Abstract The majority of aging network service providers are unprepared to deliver targeted services to lesbian, gay, bisexual, or transgender (LGBT) older adults. In 2017, California legislature mandated ongoing LGBT sensitivity training for congregate living providers. Services and Advocacy for GLBT Elders (SAGE) developed a specialized training, Creating Inclusive Communities, for congregate living staff to learn the unique needs of LGBT elders. This secondary data analysis compared pre-test knowledge and attitudes of training participants in two states, one mandating LGBT aging sensitivity training (California, N=328) and one without the mandate (New York, N=622). Preliminary results show that prior to receiving training, California participants demonstrate significantly less knowledge of LGBT aging issues compared to New York participants; t(948)=-3.808, p<.001. Attitudinal differences were also demonstrated. These results suggest that laws mandating LGBT sensitivity training may help reach providers with greater training needs. Policy and practice implications will be discussed. Part of a symposium sponsored by Rainbow Research Group Interest Group.

scholarly journals Examining Cross-Industry Collaboration in Sharing Economy Based On Social Exchange and Social Network Theories

2020 ◽  
pp. 29-41
Author(s):  
Cheng-Wen Lee ◽  
Hao-Yuan Yu
Keyword(s):  
Content Analysis ◽  
Social Network ◽  
Social Exchange ◽  
Service Providers ◽  
Secondary Data ◽  
Sharing Economy ◽  
Jel Classification ◽  
Industry Collaboration ◽  
Multiple Case ◽  
The Cost

Information technology and advanced online environments have reduced the cost of these exchange activities and triggered the emergence of the sharing economy. Con-sequently, public attitude toward the sharing economy has gradually shifted from re-luctance to acceptance. Moreover, the sharing economy has revolutionized the busi-ness models and viewpoints of conventional industries, and sharing service providers have gradually shifted from an independent to a collaborative stance, thereby affect-ing conventional economies. This study interprets the phenomenon of cross-industry collaboration in the sharing economy through social exchange and social network the-ories. A multiple-case research framework is used to examine tourism and service in-dustries. Secondary data of service providers and users on sharing platforms are ana-lyzed using content analysis, supplemented with a content analysis of the interview data of three hotel executives. The varying phenomena of the conventional and shar-ing economies on social exchange and social network were compared. Finally, this paper proposes conclusions and practical recommendations according to the analytical results. JEL classification numbers: D85, M31, L14. Keywords: Cross-Industry Collaboration, Sharing Economy, Social Exchange, Social Network.

scholarly journals DESAIN ULANG DAN ANALISIS RESPONS STRUKTURAL PERKERASAN LENTUR PADA JALAN TOL JAKARTA-CIKAMPEK

2021 ◽  
Vol 4 (1) ◽  
pp. 109
Author(s):  
Verell Rengga Harsvardan ◽  
Anissa Noor Tajudin
Keyword(s):  
Fatigue Damage ◽  
Secondary Data ◽  
Flexible Pavement ◽  
Public Works ◽  
Primary Data ◽  
Toll Road ◽  
Calculation Results ◽  
Structural Responses ◽  
Main Components ◽  
Pavement Thickness

This research will redesign the flexible pavement on the Kalihurip-Cikampek toll road using three flexible pavement design methods, namely the 2002, 2013 and 2017 methods, and analyze the structural responses that occur in the form of horizontal and vertical strain, the main components. In calculating the value of repetition of permits against fatigue damage (Nf) and groove cracks (Nd), it is processed using the KENPAVE program. Furthermore, the calculation results of the flexible pavement thickness, the value of repetition of permits against fatigue damage (Nf) and groove crack damage (Nd) were compared from the three methods. The method used is mechanistic-empirical. Primary data is obtained from the Ministry of Public Works and Public Housing and LHR0 starting in 2020, taking into account traffic growth from 2020 to 2035, as well as secondary data assumptions by referring to previous regulations and research. The results of this study indicate that the 2002 method produced the largest pavement thickness, while the 2013 and 2017 methods produced relatively the same pavement thickness. However, the 2002 method produced the largest repetition of permits against fatigue damage (Nf) and groove cracks (Nd). So it can be concluded that the 2017 method produces a better design. ABSTRAKPenelitian ini akan mendesain ulang perkerasan lentur pada Jalan Tol Jakarta-Cikampek ruas Kalihurip-Cikampek menggunakan tiga metode desain perkerasan lentur yaitu metode 2002, 2013, dan 2017, serta menganalisis respons struktral yang terjadi berupa regangan horisontal dan vertikal, komponen utama dalam menghitung nilai repetisi izin terhadap kerusakan fatik (Nf) dan retak alur (Nd), diolah menggunakan program KENPAVE. Selanjutnya dibandingkan hasil perhitungan tebal perkerasan lentur, nilai repetisi izin terhadap kerusakan fatik (Nf) dan kerusakan retak alur (Nd) dari ketiga metode tersebut. Metode yang digunakan mekanistik-empiris. Data primer didapat dari Kementerian Pekerjaan Umum dan Perumahan Rakyat (PUPR) dan LHR0 dimulai pada tahun 2020, memperhitungkan pertumbuhan lalu lintas dari tahun 2020 sampai 2035, serta data sekunder asumsi dengan tetap mengacu pada peraturan dan penelitian sebelumnya. Hasil penelitian ini menunjukkan bahwa metode 2002 menghasilkan tebal perkerasan terbesar, sedangkan metode 2013 dan 2017 menghasilkan tebal perkerasan yang relatif sama. Namun metode 2002 menghasilkan repetisi izin terhadap kerusakan fatik (Nf) dan retak alur (Nd) terbesar. Sehingga disimpulkan metode 2017 menghasilkan desain lebih baik.

scholarly journals PENERAPAN PRINSIP SYARIAH DALAM PEYELENGGARAAN LAYANAN PINJAM-MEMINJAM BERBASIS FINTECH

2020 ◽  
Vol 6 (7) ◽  
pp. 1521
Author(s):  
Basrowi Basrowi ◽  
Julianas Julianas
Keyword(s):  
Qualitative Research ◽  
Information Technology ◽  
Islamic Law ◽  
Service Providers ◽  
Secondary Data ◽  
Accounts Payable ◽  
Financial Transactions ◽  
Financial Technology ◽  
Descriptive Qualitative

This study aims to describe the application of sharia principles in the implementation of fintech-based lending services. The method used in this study is descriptive qualitative research and literature. The data used is secondary data from various relevant and up to date literature. Based on the results of the analysis it can be concluded that accounts payable is an agreement between two parties giving money or goods to a second party to be utilized. In terms of engagement in accordance with Islamic law or according to sharia, contracts through information technology media still have to fulfill harmony and terms of contract. The contract scheme implemented by service providers includes the Wakalah bil Ujrah contract and the Musyarakah contract. In the field of muamalah known as the principle of Islamic law, namely the principle of skill or change. The terms of Ijab Qobul must describe the agreement of the parties to enter into the online debt agreement. To achieve this, it is necessary to apply the principles of Islamic engagement, sharia, into financial transactions and other businesses that are consistently related.Keywords: financial technology, sharia, principle

Making Santorini: reflecting on the past, imagining the future

2017 ◽  
Vol 10 (2) ◽  
pp. 106-120 ◽  
Author(s):  
Maria Lichrou ◽  
Lisa O’Malley ◽  
Maurice Patterson
Keyword(s):  
Service Providers ◽  
Local Level ◽  
Age Groups ◽  
Tourism Development ◽  
Secondary Data ◽  
Online News ◽  
Place Making ◽  
Content Type ◽  
Mass Tourism ◽  
Landscape Degradation

Purpose Strategic analyses of Mediterranean destinations have well documented the impacts of mass tourism, including high levels of seasonality and landscape degradation as a result of the “anarchic” nature of tourism development in these destinations. The lack of a strategic framework is widely recognised in academic and popular discourse. What is often missing, however, is local voice and attention to the local particularities that have shaped the course of tourism development in these places. Focusing on narratives of people living and working in Santorini, Greece, this paper aims to examine tourism development as a particular cultural experience of development. Design/methodology/approach The authors conducted narrative interviews with 22 local residents and entrepreneurs. Participants belonged to different occupational sectors and age groups. These are supplemented with secondary data, consisting of books, guides, documentaries and online news articles on Santorini. Findings The analysis and interpretation by the authors identify remembered, experienced and imagined phases of tourism development, which we label as romancing tourism, disenchantment and reimagining tourism. Research limitations/implications Professionalisation has certainly allowed the improvement of quality standards, but in transforming hosts into service providers, a distance and objectivity is created that results in a loss of authenticity. Authenticity is not just about what the tourists seek but also about what a place is or can be, and the “sense of place” that residents have and use in their everyday lives. Social implications Local narratives offer insights into the particularities of tourism development and the varied, contested and dynamic meanings of places. Place narratives can therefore be a useful tool in developing a reflexive and participative place-making process. Originality/value The study serves the understanding of how tourism, subject to the global-local relations, is a particular experience of development that shapes a place’s identity. The case of Santorini shows how place-making involves changing, multilayered desires and contradictory visions of tourism and development. This makes socio-cultural and environmental challenges hard to resolve. It is thus challenging to change the course of development, as various actors at the local level and beyond have diverse interests and interpretations of what is desirable for the place.

scholarly journals Rural water supply in Nigeria: policy gaps and future directions

Water Policy ◽  
2018 ◽  
Vol 20 (3) ◽  
pp. 597-616 ◽  
Author(s):  
Michael Chukwuma Obeta
Keyword(s):  
Rural Communities ◽  
Water Supply ◽  
Service Providers ◽  
Secondary Data ◽  
High Rate ◽  
Future Directions ◽  
Rural Water Supply ◽  
Qualitative Approaches ◽  
Rural Water ◽  
Sustainable Services

Abstract The alarming state of safe water deprivation among the residents of rural communities in Nigeria is well recognized. Unfortunately, research that shows the policy gaps in the water supply sector of the country and measures to eliminate them in order to improve water supply sustainability in the country is lacking. This paper investigates the landscape of water service provision to rural communities in Nigeria using investigative and qualitative approaches due to the desire to explore the experience and opinions of previous workers/agencies in the region. Primary and secondary data were used in the study. Findings characterized the rural water supply landscape in the region. The community-based service providers are constrained by several policy gaps that negatively impact on the quality and sustainability of rural water supply in the country. Rural water interventions suffer from a high rate of failures due largely to weak institutional framework in the water supply sector. The paper recommends that for rural water supply sustainability to be improved in Nigeria all the stakeholders must work together to prioritize and address the policy gaps constraining service delivery simultaneously in the region. Working on one factor alone may not result in sustainable services.

Causes of road projects' delays: a case of Blantyre, Malawi

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Henry Duncan John Mwamvani ◽  
Christopher Amoah ◽  
Emma Ayesu-Koranteng
Keyword(s):  
Service Providers ◽  
Road Construction ◽  
City Council ◽  
Public Utility ◽  
Mitigation Measures ◽  
Research Approach ◽  
Content Type ◽  
Road Project ◽  
Road Projects

PurposeThe study aims to find the causes of road projects implementation delays in Blantyre, one of the four city councils (CCs) in Malawi.Design/methodology/approachThe study followed a qualitative research approach using a Blantyre City Council (BCC) as a case study. This study combined in-depth, face-to-face interviews with councillors, secretariat staff, consultants, and contractors who worked on the city's road projects. Data gathered were analysed using thematic content analysis. Also, some road project documents were examined.FindingsThe findings from the case study revealed the primary cause of road project construction delays as the shortage of engineers in conducting detailed proposed projects surveys resulting in incomplete project scope definition before contractor's procurement. Other identified factors were service providers delaying the removal of existing public utility infrastructure from project sites, client funding issues, scope changes, and client delays in issuing instructions to the contractors during project implementation. Another factor was the shortage of construction equipment and construction materials experienced by some appointed contractors.Research limitations/implicationsOnly road construction projects and stakeholders operating from Blantyre city, Malawi, were contacted for the study; thus, the findings may not be generalizable.Practical implicationsThere is an urgent need to increase technical employees, especially engineers and other critical technical staff such as quantity surveyors in Blantyre. Employees' conditions of service should be conducive to attract qualified people to undertake effective management and assessment of projects before commencement to identify the feasibility of proposed projects to decrease the rate of road construction project delays.Originality/valueThe study has established Blantyre city's core challenges in implementing its road projects seamlessly and has provided mitigation measures for dealing with the shortcomings.

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