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Journal : Jurnal Spektran

KINERJA STIFFNESS, FATIGUE, DAN CREEP CAMPURAN ASPAL PANAS ASPHALT CONCRETE WEARING COURSE (AC-WC) I Nyoman Arya Thanaya; I Made Agus Ariawan; I Made Debby Surya Adi Putra
JURNAL SPEKTRAN Vol 8 No 1 (2020): VOL. 8, NO. 1, JANUARI 2020
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

Damage type that common happens to Asphalt Concrete Wearing Course (AC-WC) is the crack due to fatigue. This research objective is to analyze the performance of the stiffness, fatigue, static creep and dynamic creep of the AC-WC hot asphalt mix to optimum asphalt content. The research was conducted at Road Laboratory of the Civil Engineering Department, Udayana University. The mixture was produced in hotmix and tested with Marshall procedure. The method used in testing stiffness, fatigue and creep testing refers to the British Standard. The equipment that is used is the Dynapave UTM 30. Based on the research it was found out that the optimum asphalt content (OAC) of AC-WC mix was 6.05%. The ITSM value at temperature of 10oC, 20oC, 30oC were 6175 MPa, 4356 MPa, 3790 MPa, respectively. The fatigue performance on dynamic loading at pressure of 300 kPa failed at 37,401 times of load repetition, at pressure of 500 kPa failed at 15,513 times of load repetition, at pressure of 700 kPa failed at 3,866 times of load repetition. The static creep performance was 20.84 MPa. The stiffness of creep dynamic was 13.69 MPa. In general comparison, between the test result of the static creep and dynamic creep shows that with dynamic load the sample gave bigger strain so its stiffness becomes smaller, compared to the static load. In other words, the dynamic load causes bigger deformation.
ANALISIS REWORK PADA PROYEK KONSTRUKSI GEDUNG DI KABUPATEN BADUNG Nana Sutrisna; I N. Arya Thanaya; I Gst Ketut Sudipta
JURNAL SPEKTRAN Vol 1, No 2, Juli 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (71.85 KB) | DOI: 10.24843/SPEKTRAN.2013.v01.i02.p03

Abstract

Rework is unavoidable from the world of construction, Rework can be a devastating effect on the performance and productivity of both the consultant and the contractor. This study aims to determine the main factors causing rework, efforts to reduce rework. The analysis used the analysis Multivariant factor analysis with the help of Statistical Package for Social Science (SPSS) for Windows version 17.0. From the results obtained by factor analysis the main factors causing the occurrence of rework are: aspects of the owner (poor communication, poor coordination, poor information flow), aspects of planning consultants (lack of information in the field, lack of communication, the situation in the picture on the ground is not suitable). aspects of construction management consultants (lack of information in the field, lack of communication, lack of control), aspects of mechanical electrical plumbing contractors (Materials misdirected, MEP staff inexperience, lack of knowledge about the character of the material, the amount of overtime), aspects of the contractor (lack of competence foreman, foreman lack of experience, lack of experience, the quality of labor is bad, the error in interpreting the specification), aspects of operator (poor flow of information, lack of communication, lack of coordination, lack of operator experience). Efforts to systematically reduce rework most effective according to the respondent's answer is: Systematic planning, detailing and describing the project at every stage of the steps to be taken to achieve quality objectives, set standards of communication, coordination and construction project sinkronasi work with all parties involved in the implementation of the project, Constructing specification limits and criteria and quality standards to be used in engineering design, procurement and construction materials.
ANALISIS KARAKTERISTIK CAMPURAN ASPAL EMULSI DINGIN (CAED) DENGAN EPOXY SEBAGAI BAHAN TAMBAH I Gde Wikarga; I Nyoman Arya Thanaya; I Wayan Suweda
JURNAL SPEKTRAN Vol 5 No 2 (2017): Vol. 5, No. 2, Juli 2017
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

One of asphalt mixture being developed is Cold Bituminous Emulsion Mixtures (CBEMs) that its performances need to be improved. Within this experiment it is done by adding epoxy. The objective of this study was to analyze the characteristic of CBEMs with and without epoxy. Epoxy variation was 1%, 3%, and 6% by weight of residual bitumen. The epoxy was mix with hardener in ratio 1:3, then mixed with bituminous emulsion. Epoxy was added into the Optimum Residual Bitumen Content (ORBC) of 7,5%. The aggregate was dampened with water first then mixed with emulsion that had been added with epoxy, then compacted. It was found that CBEMs added with 1% and 3% epoxy met the specifications, however CBEMs with 6% of epoxy did not, because the porosity was 17,83% (spec.5%-10%). The soaked stability of the mixture without and with epoxy 3% was 1177,02 kg and 1416,47 kg. Addition of 3% epoxy increase soaked stability up to 20%. In stiffness, creep, and fatigue tests, CBEMs without epoxy compared by CBEMs with 3% of epoxy, respectively gave result: stiffness 1854 MPa: 959 MPa (-48,27%); strain at 106 loads repetition (Nf) was 78,09 µ?: 93,22 µ? (+19,38%); Nf at strain 100 µ? was 358.897 times: 539.585 times (+50,35%); creep slope was 23,752: 39,939 (sample was collapsed before 3600 loads repetition). However, epoxy caused the mix stiffer hence increase the porosity of the mixture to 20%. It is suggested to reduce the hardener content of the epoxy, to manitain workability and reduce porosity. Keyword: CBEMs, epoxy, stiffness, fatigue, creep
ANALISIS KEPUASAN MASYARAKAT TERHADAP PELAYANAN BADAN PELAYANAN PERIJINAN TERPADU (BPPT) KABUPATEN BADUNG I G. A. Ketut Wira Sutha; I N. Arya Thanaya; I W. Yansen
JURNAL SPEKTRAN Vol. 2, No.2, Juli 2014
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (449.01 KB) | DOI: 10.24843/SPEKTRAN.2014.v02.i02.p010

Abstract

In order to give a more efficient and effective public service, the Badung government formed a Board for Integrated Permit Services (BPPT) as stipulated by the Local Government Regulation Number 4 / 2013 on 21 March 2013 which started its service on 1 May 2013. They used community’s satisfaction as a measure in order to give a good quality of services which is evaluated periodically. This study purposeful to know the community’s satisfaction level of BPPT services in order to know the effect of the five quality dimension of services which are tangibility, reliability, responsiveness, assurance and empathy. Quisioner method were use to collect data, which are contain 25 questions descriptivetly about the fact and realization of BPPT services regarding to the ninety six customers. And inferential analysis method were use to get conclusion about population based on behavior. The conclusion of descriptive analysis mention that the satisfaction level of community regarding to the overall of BPPT services is 66.98% value with category of “sufficiently satisfactory” where the most influential dimension of the community’s satisfaction was Empathy with the coefficient of 0.787 as shown in the regression equation Y = 15.133 + 0.630X1 + 0.463X2 + 0.659X3 + 0.602X4 + 0.787X5. The inferential analysis method mention that five dimension influence simultaneously dan partially to the community’s satisfaction. The suggestions that can be given from this study is to opptimalyzed the supporting facilities with providing a centre of communication which is usually called “call centre”, so easly for the community to get information and to propose critic and suggest regarding to the services.
STUDI KARAKTERISTIK CAMPURAN HRS-WC DENGAN AGREGAT DILAPISI PLASTIK TIPIS BEKAS I Nyoman Arya Thanaya; I Made Agus Ariawan; Anak Agung Istri Mirah Primaswari
JURNAL SPEKTRAN Vol 7 No 2 (2019): Vol. 7 No. 2, JULI 2019
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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Abstract

ABSTRACTOne problem of the environment is the increasing amount of plastic waste especially thin plastic bag and other thin plastic packaging, therefore effort is needed to utilize those plastic waste. Within this experiment thin plastic waste was use on the production of road asphalt mixture. The aim of this experiment was: to know the effectivity of the plastic coating onto the aggregate; the properties of the aggregate coated with thin waste plastic; and the Marshall characteristic of HRS-WC. Waste thin plastic waste was manually cut with size: <10mm and 10-20mm. The aggregate was heated, then plastic waste was spreaded, mixed, added with optimum asphalt content (OAC), evenly mixed and compacted 2x75 Marshall blow. Plastic coating was found only effective (observed visually) on the coarse aggregate using wider plastic size 10-20mm. Samples of HRS-WC were made with aggregate coated with plastic at OAC; OAC-0.5%; and OAC-1%. It was obtained that: the OAC was 7.55%. For 100% coating the coarse aggregate the amount of plastic needed was 30gram (8.6% by weight of total aggregate), and 15gram to coat 50%. The difference on Marshall Characteristic without and with added plastic was not significant and difficulties was experienced to meet volumetric properties, nontheles there was increase in Marshall stability. It was found that, the Marshall stability, flow, Marshall Quotient, VIM, VMA, and VFB on OAC with 50% plastic coating on the coarse aggregate, were consecutively: 1017.35 kg; 3.05mm; 333.69 kg/mm; 298.94 kg/mm; 4.288%; and 18.055%. Meanwhile on 100% coating, consecutively: 1075.07 kg; 3.59mm; 298.94 kg/mm; 4.037%; 17.462%; dan 76.90%.