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STUDI EKSPERIMEN PELAT BETON BERTULANG PRACETAK SATU ARAH BERPENAMPANG “U” SEBAGAI ALTERNATIF STRUKTUR LANTAI I Nyoman Ardika; I Made Alit Karyawan Salain; I Made Sukrawa
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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This research is motivated from the thought how to apply advantage-precast method and resolve deficiency conventional method in implementation of construction reinforced concrete slab structures multi-storey building. Therefore conducted preliminary experiments by making structure slab of some elements one way precast reinforced concrete slab. From some preliminary experiments with the problems encountered, finally defined cross-section “U” upside down, with f'c 15 MPa design and 1300 mm long with cross sectional size 320 mm x 150 mm x 40 mm, tensile reinforcement 2Ø5,6987 mm with yield stress of steel 188 MPa. In this research will be reviewed some problems, that is capability slab U to support service load until cracking moment, maximum length U slab to support service load design until cracking moment, and maximum length U slab to support service load design until maximum deflection. These three problems completed by carrying out the load test by using water as a testing load and the physical properties of the material which is used for reinforced concrete. Based on the analysis of test data obtained U slab able to support three times service load design (4,310 N/mm) without cracking, maximum length U slab to support service load design without cracking is 2300 mm, and maximum length U slab to support service load until maximum deflection is 3302,6 mm. Keywords: U-Slab, precast, slab structure

EVALUASI PELAYANAN UNIT LAYANAN PENGADAAN (ULP) TERHADAP TINGKAT KEPUASAN SATUAN KERJA PERANGKAT DAERAH (SKPD) DAN PENYEDIA BARANG/JASA DI LINGKUNGAN PEMERINTAH KOTA DENPASAR Ni Ketut Sudiani; I Made Alit Karyawan Salain; Gusti Ayu Putu Candra Dharmayanti
JURNAL SPEKTRAN Vol 6 No 2 (2018): Vol. 6, No. 2, Juli 2018
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

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ABSTRAK Pelaksanaan pengadaan barang/jasa pemerintah melalui sistem elektronik masih menimbulkan praduga negatif, baik dari pihak SKPD maupun penyedia barang/jasa. Agar peran dan pelayanan ULP bisa lebih baik, perlu dilakukan evaluasi dengan mengidentifikasi kondisi saat ini tentang tingkat kepuasan SKPD dan penyedia barang/jasa terhadap pelayanan ULP. Tingkat kepuasan layanan dapat dipengaruhi oleh lima variabel, yaitu wujud fisik (tangible), kehandalan (reliability), daya tanggap (responsiveness), jaminan (assurance), dan kepedulian (empathy). Penelitian bertujuan mengevaluasi tingkat kepuasan SKPD dan penyedia barang/jasa terhadap kinerja pelayanan ULP Pemerintah Kota Denpasar yang diukur berdasarkan lima variable tersebut. Metode pengumpulan data dilakukan melalui penyebaran kuesioner, yang sudah diuji validitas dan reliabilitasnya. Analisis data dilakukan dengan analisis deskriptif dan regresi linear berganda. Hasil analisis deskriptif menunjukkan tingkat kepuasan SKPD terhadap pelayanan ULP Pemerintah Kota Denpasar adalah sebesar 76,97% (puas). Tingkat kepuasan rekanan penyedia barang/jasa terhadap pelayanan ULP Pemerintah Kota Denpasar adalah sebesar 85,09% (sangat puas). Berdasarkan hasil analisis regresi linier berganda, variabel yang paling mempengaruhi kepuasan SKPD adalah Assurance (0,449) diikuti oleh variabel lainnya berturut-turut sebagai berikut Emphaty (0,214), Tangible (-0,024), Responsivness (-0,067) dan Reliability (-0,174). Sedangkan variabel yang paling mempengaruhi kepuasan penyedia barang/jasa adalah Tangible (0,510) diikuti oleh variabel lainnya berturut-turut sebagai berikut Responsiveness (0,230), Assurance (0,127), Emphaty (0,077) dan Reliability (-0,129).

PERILAKU MEKANIS BETON MUTU TINGGI DENGAN VARIASI PENGGUNAAN SUPERPLASTICIZER Teguh Arifmawan Sudhiarta; I M. Alit K. Salain; I N. Sutarja
JURNAL SPEKTRAN Vol. 3, No. 2, Juli 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Concrete itself is quite popular in terms of usage in the field of construction (bridges, buildings, and dams). In large projects and unconditioned special (extreme) as the long-span bridge construction in the middle of the sea, pier construction, buildings and retaining walls high sea waves need to use high-quality concrete. To be able to make high strength concrete required fas value (water-cement ratio) is low, ranging from 0.20 to 0.30 (ACI, 1998). In high quality concrete workmanship in the field, to facilitate construction of concrete because considering using a little water, then a superplasticizer admixture materials needed to facilitate mixing concrete. This study was conducted to determine the performance of each in terms of value Slump superplasticizer, concrete compressive strength and split tensile strength of concrete. Calculation of SNI 03-6468-2000 material refers to the weight ratio of cement: fine aggregate: coarse aggregate of 1.00: 1.67: 2.15 with water cement factor of 0.317. Used to test a cylindrical specimen with a diameter of 150mm and height of 300mm which for the life of the test was made three (3) pieces of the specimen. Preparation and treatment of test specimens performed by standard procedures. The results showed that the use of superplasticizer type Napthalene Formaldehyde Sulphonate deliver results better compressive strength than the type superplasticizer Aqueous Solution Of Modified Polycarboxylate Copolymers is equal to 7.70%, but when viewed in terms of tensile strength and slump value (kelecakan) type superplasticizer Aqueous Solution Of Modified Polycarboxylate Copolymers provide better value Napthalene Formaldehyde Sulphonate when compared with that of 4.04% for split tensile strength and 22.22% for the slump value.

ANALISIS FAKTOR YANG MEMPENGARUHI TENAGA KERJA KONSTRUKSI UNTUK MEMILIKI SKA/SKTK PADA KONTRAKTOR DI KABUPATEN BADUNG I M. Jelantik; I M. Alit K. Salain; Mayun Nadiasa
JURNAL SPEKTRAN vol 2, No 1, Januari 2014
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

The law of construction service (UUJK) No.18 Year 1999 has required that the manpower of construction has to have the Certificate of Expertise (SKA) and Working Skill (SKTK). The purpose is in order that the business of construction service in Indonesia becomes firm, reliable, has high competiveness and produces a high quality construction work. But there is still lot of manpower of construction that has not has it. This research has purpose to find out the factors that influence the manpower of construction on contractor in Badung Regency to have SKA/SKTK. Sample to be researched is the manpower of construction at the contractor of project manager of Badung Regency Government with qualification grade 2, 3, 4, 5 and 6. Data is obtained by spreading out questionnaire and interview. The data analysis and processing is using the factor analysis. Research result is that there are three factors that are identified to have influenced the manpower of construction to have the SKA/SKTK. These three factors are factor I, II and III. These three factors are formed by fifteen variables. The most dominant factor is the factor I. This factor is formed by seven variables those are it still be able to have job without having the SKA/SKTK, the SKA/SKTK is not fully required on the government’s project, the SKA/SKTK is not yet required on non-government’s project, to already have the SKA/SKTK cannot guarantee that the wage/salary will be increased, to already have the SKA/SKTK cannot guarantee the increasing of career level, to already have the SKA/SKTK cannot guarantee the increasing of expertise/work skill.

ANALISIS KEPUASAN PENGGUNA JASA PEMELIHARAAN DAN PERBAIKAN ATAS PELAYANAN UPT-PP (UNIT PELAKSANA TEKNIS PEMELIHARAAN DAN PERBAIKAN) POLITEKNIK NEGERI BALI I Made Aryana; I M. Alit K Salain; I W Yansen
JURNAL SPEKTRAN Vol 4 No 1 (2016): Vol. 4, No. 1, Januari 2016
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

ABSTRACT: PNB is avocational education institution. With vocational predicate, PNB have diverse learning facility. In order for these assets remain in top condition (ready to use), there should be a special unit that handles maintenance and repair issues. UPT-PP (Unit Pelaksana Teknis Pemeliharaan dan Perbaikan) is one of the units in PNB which has a function implementing maintenance and repairs of all assets, and all equipment used in the activities of the learning process. UPT-PP has the functions and responsibilities are quite heavy and vital in supporting the smooth learning activities both theory and practice. This situation demands UPT-PP should have good human resources, competent, reliable and should be supported by the provision of hardware and software that is adequate. This study aims to determine the value of service user satisfaction level of maintenance and repair of services given by UPT-PP Politeknik Negeri Bali and identify the factors that need attention in order to increase user satisfaction with the services UPT-PP Politeknik Negeri Bali. Retrieval of data obtained from the spread of the questioner about facts and reality associated with service quality and user expectations UPT-PP Politeknik Negeri Bali. While the calculation of the correspondence between the level of quality and user expectations UPT-PP is the comparison of the quality weight with the weight of expectations/interests. This conformity level will show the level of user satisfaction with the services. Results of a descriptive analysis of user satisfaction with the services UPT-PP can be determined by the value of the conformity level. After analysis, the conformity level of each dimension is obtained from the tangible value 81.08%, conformity level of reliability79.04%, conformity level of responsiveness to the value of 81.09%, the assurance dimension with value 84.20% and dimensions of empathy with the conformity value 83.23%. From five dimensions of conformity level assessment between service quality expectations of service users UPT-PP Politeknik Negeri Bali is 81.07% or user satisfaction level can achieve 81.07%. The advice can be given to UPT PP services is able to calculate the time it takes to handle a case, time discipline and may provide an explanation to user about problems experienced and can establish a harmonious working relationship to all service users, in order to increase the trust of all users.

KUAT TEKAN BETON GEOPOLIMER MENGGUNAKAN ABU TERBANG I Made Alit Karyawan Salain; Ngakan Made Anom Wiryasa; I Nym Mahendra Martha Adi Pamungkas
JURNAL SPEKTRAN Vol 9 No 1 (2021)
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/SPEKTRAN.2021.v09.i01.p09

Semen merupakan bahan utama membuat beton, yang menghasilkan gas CO2 pada proses produksinya yang dapat mencemari lingkungan. Kebutuhan semen yang meningkat setiap tahunnya membuat semen lebih banyak diproduksi, sehingga perlu dilakukan inovasi membuat beton salah satunya beton geopolimer. Penelitian membuat beton geopolimer dengan bahan dasar abu terbang dan aktivator NaOH dan Na2SiO3. Gradasi butiran pasir dan koral dirancang, pada zona 2 dan gradasi koral dengan butiran maksimum 20 mm. persentase agregat dengan abu terbang dan aktivator sebesar 75%:25%. Perbandingan pasir dan koral digunakan 1:1,24. Dibuat 3 campuran C1,C2, dan C3 dengan persentase abu terbang dan aktivator sebesar C1, 70%:30%, C2 65%:35%, dan C3 60%:40%. Perbandingan Na2SiO3 dan NaOH sebesar 1:1.5 dengan molaritas NaOH 14 M. Beton dicetak kubus 15 cm x 15 cm, kemudian dipanaskan pada suhu 700C selama 24 jam. Pengujian kuat tekan beton dilakukan pada umur 7, 14, dan 28 hari masing masing menggunakan 3 benda uji. Penelitian bertujuan untuk mendapatkan campuran yang terbaik dan menghasilkan kuat tekan beton yang tertinggi. Hasil menyatakan bahwa pengurangan jumlah abu terbang dan penambahan aktivator meningkatkan nilai slump beton geopolimer, serta menurunkan kuat tekan beton geopolimer. Beton geopolimer mengalami peningkatan kuat tekan hingga 14 hari, hal ini terjadi pada beton C1, C2, dan C3. Pada umur 14 hari hingga 28 hari kuat tekan beton geopolimer tidak mengalami perkembagan, bahkan cenderung mengalami penurunan terutama pada beton C3. Campuran beton geopolimer yang terbaik terdapat pada beton C2, dengan kuat tekan sebesar 48,89 MPa pada umur 28 hari.

ANALISIS TINGKAT KEMATANGAN (MATURITY LEVELS) UNIT LAYANAN PENGADAAN KABUPATEN BADUNG I Gde Uma Darmapramita; I M. Alit K. Salain; Mayun Nadiasa
JURNAL SPEKTRAN Vol. 3, No. 2, Juli 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

The implementation of government procurement of goods and service is governed by presidential regulation number 70 year of 2012. According to that, in Badung Regency implemented centralized in Procurement Service Unit of Badung Regency. As the one of Indonesia procurement unit pilot, Procurement Service Unit of Badung Regency has given the opportunity to perform a self assessment of its maturity levels as government unit. The objective of this research is to find factors that influence Procuremet Service Unit of Badung Regency maturity levels, and also to find out in what level is Procurement Service Unit of Badung Regency stand. Data collection for this research have done by using questionnaire that involve 50 respondents who understand very well about the duties and function of Procurement Service Unit of Badung Regency to perform a government procurement of good and services. The data analysis have been performed by use of factor analysis and supported by SPSS program. The result shows there are 3 factors that influent the Procurement Service Unit of Badung Regency maturity levels, which are : the synergy and organization culture, resources and risk management and organization’s performance development. Whereas the maturity levels of Procurement Service Unit of Badung Regency is stand at compliance. Based to the factors that formed, the highly commitment and strong leadership of Badung Regency leader are very decisive to push ahead the enhancement and the development of Procurement Service Unit of Badung Regency. First thing can be done is to establish an independent Procurement Service Unit therewith its Procurement Unit Development road maps that can be tiered and sustainable plan, monitor and evaluate

PROPERTI MEKANIK BETON RINGAN DENGAN MENGGUNAKAN AGREGAT BATU APUNG SERTA ABU TERBANG SEBAGAI PENGGANTI SEBAGIAN SEMEN PORTLAND DAN SUPERPLASTICIZER I Gusti Agung Neny Purnawirati; I M. Alit K. Salain; Dharma Putra
JURNAL SPEKTRAN Vol 4 No 2 (2016): Vol. 4, No. 2, Juli 2016
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract Researches about lightweight concrete that be held nowadays, have some weakness particularly in compressive strength. Usually researches about lightweight concrete with pumice that uses Portland giving result about 13,5-16,8 MPa of compressive strength. For reducing the cement using, it is needed to find an alternative of Portland cement exchanged that improve the compressive strength at once. In addition, for compressive strength increasing it is needed to use water low water stirring. But, with a low water stirring, so mixing will be difficult for doing so it is needed superplastizer for mixing easier. Fly ash varieties as an exchanged of a part of Portland cement start from 0%, 10%, 20%, 30%, 40%. The weight ratio of cement : sand : pumice is 1,00 : 3,07 : 1,14 with factor adhesive water 0,32 refers SNI 03-3449-2002 with compressive strength of the plan is 18 MPa. This study uses superplasticizer 0,4% and 0,8% of cement weight is added during the mixing concrete. Distribution of sand and pumice designed by SNI 03-2834-2000, zone 1 for sand and graduation maximum diameter of 12,5 for pumice. Increase compressive strength and modulus of elasticity occurred with age concrete hydration of 28 days to 56 days. Compressive strength increase with fly ash varieties as an exchanged of a part of Portland cement with fly ash until 20% and then decreasing. However, the replacement of Portland cement 40% with fly ash was produced higher compressive strength than without fly ash. A relatively same indicator be shown on modulus of elasticity that be carried out from changing of 20% Portland cement by fly ash and 40% superplasticizer consecutively as 14,34 MPa and 10766,71 MPa in 28 days and 18,12 MPa and 11006,56 MPa in 56 days.

ANALISIS KEPUASAN SATUAN KERJA PERANGKAT DAERAH (SKPD) DAN REKANAN TERHADAP KINERJA UNIT LAYANAN PENGADAAN (ULP) PEMERINTAH KABUPATEN BADUNG Putu Budayasa; I M.Alit K Salain; Mayun Nadiasa
JURNAL SPEKTRAN Vol 4 No 1 (2016): Vol. 4, No. 1, Januari 2016
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract:Based on Presidential Decree Number 54 Year 2010 concerning Government Procurement of Goods / Services. Procurement process carried out by a unit called the Procurement Service Unit (PSU). In Government of Badung Regency, PSU was formed in 2011wich often get a negative presumption of those associated with the Unit is the Regional Work Unit and Partner Company when carry out the procurement process. Under these conditions it is necessary to evaluate the services given. The research aimed to determine the level of satisfaction Regional Work Unit and Partner Company of the performance of the Procurement Unit of Badung Regency and to investigate the influence of the five dimensions of service quality and satisfaction levels wich is Tangible, Reliability, Responsiveness, Assurance and Empathy.Sampling using simple random sampling with a sample of 30 of Regional Work Unit and 71 of the Partner Company. Measuring the level of satisfaction is done by comparing the scores of hope with a score of respondents' perceptions of reality services received. While to know the factors that influence satisfaction of Partner company and regional work unit done by searching multiple linear regression model. The analysis was conducted to determine the effect or the relationship between variables, either partially or simultaneously.The results of descriptive analysis expressed Regional Work Unit satisfaction level is 86.28%, which factors most influence satisfaction is Assurance. Partner Company satisfaction level is 86.4% which factors most influence satisfaction is Tangible. Results inferential analysis states that the fifth dimension is influenced simultaneously and partially on both Regional Work Unit and Partner Company satisfaction .

ANALISIS RISIKO KETERLAMBATAN PELAKSANAAN PROYEK KONSTRUKSI HOTEL DI BALI I Made Alit Karyawan Salain; G. A. P. Candra Dharmayanti; Gde Ngurah Anindita
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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RISK ANALYSIS OF THE CONSTRUCTION PROJECT DELAY OF HOTEL IN BALIABSTRACTHotel construction projects generally have a high level of complexity compared to other building construction projects, because of the many jobs that must be integrated with each other and have a tight work schedule. All of that has the potential to cause delays in the implementation of construction projects for hotel projects in Bali. This study aims to analyze the risk of delays in implementing hotel construction projects in Bali.This study uses a qualitative descriptive method with primary data sources taken through surveys using a questionnaire. Respondents were taken based on purposive sampling method which was selected based on criteria that respondents played an important role in hotel construction projects in Bali, as many as 35 respondents, which included one director, one project manager; one site manager, two supervisors; two quality control. The results showed that there were 44 risks of delays in hotel construction projects in Bali consisting of 37 major risks and 7 minor risks. Major risks included 22 undesirable risks with 36 mitigation actions, and 15 unacceptable risks (unacceptable risks) with 24 mitigation measures. Risk related to project was indicated as frequently found the source of risk. Project risk at unacceptable risk is the determination of a very tight schedule, a work plan that is not well structured and changeable, understanding the rules of work drawings, resource mobilization, unavailability of materials as needed. Risk related to project that categorized as undesirable covered: limited authority of personnel/owners in decision making, inspection methods and job control by the owner, failure of the owner to coordinate work with the contractor, inadequate provision of tools/materials by the owner, inadequate number of workers, and inadequate work equipment. Mitigation measures are emphasized on project risk and technical risk including the preparation of detailed and comprehensive planning and scheduling, attention to work documents and contracts, as well as improving coordination between relevant parties and also optimizing the accuracy of plans in carrying out the work

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