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Analisis Perbandingan Penjadwalan Menggunakan Critical Path Method (CPM) dengan Precedence Diagram Method (PDM) (Studi Kasus : Proyek Pembangunaan SD Negeri 5 Pecatu) Komang Agus Ariana; Ketut Nuraga; Putu Budiarnaya; Putu Ariawan; I Gusti Ngurah Nyoman Wismantara; Nengah Riana; Kadek Pasek Pangestu
Jurnal Ilmiah Telsinas Vol 4 No 1 (2021)
Publisher : Universitas Pendidikan Nasional

Penjadwalana proyek sangat berpengaruhcterhadap keberhasilan dan kegagalan suatu proyek. Tujuanszxdari penelitian ini adalaha menganalisa penjadwalanc zproyeka dengana menentukanu kegiatan-kegiatans kritisz dan durasinyal menggunakan metodeh Criticalz Pathz Methodq (CPM)’ dan PrecedencezxDiagram Method (PDM). Datag yangv digunakanq dalamb penelitian iniz adalahx datas sekundera zyanga diperolehac dariiy kontraktorcpelaksana. Berdasarkan hasil penelitian dari Critical Path Method (CPM) diperoleh durasi 25 minggu atau 175 hari dengan kegiatan-kegiatan yang kritisnya antara lain kegiatan pekerjaan persiapan; pekerjaan tanah dan pondasi; pekerjaan listplank beton; pekerjaan balok dan pelat lantai 2; pekerjaan ring balok atap; pekerjaan pasangan kusen, pintu, dan jendela;pekerjaan sanitair/plumbing; pekerjaan pengecatan. Sedangkan hasil penelitian dari Precedence Diagram Method (PDM) diperoleh durasi 26 minggu atau 182 hari dengan kegiatan-kegiatan yang kritisnya antara lain kegiatan pekerjaan persiapan; pekerjaan’ tanah,’dan pondasi; pekerjaan pile’’cap; pekerjaan sloof; pekerjaan’’kolom lantai 1; pekerjaan tangga beton; pekerjaan balok dan pelat lantai 2; pekerjaan kolom lantai 2; pekerjaan ring balok atap; pekerjaan dinding dan plesteran; pekerjaan pasang keramikkklantaiiddan dinding; pekerjaan pasangg kusen,ddpintu dan jendela; pekerjaandggpengecatan; ddpekerjaan elektrikal. Perbandingan hasil analisa metode CPM dan PDM menunjukkan perhitungan PDM yang paling optimal karena pada proyek pembangunan SDN 5 Pecatu memiliki pekerjaan-pekerjaan yang tumpang tindih.

PENENTUAN KOEFISIEN TEKANAN TANAH KESAMPING "AT REST" (Ko) DARI TANAH GAMBUT BERSERAT I Gusti Nyoman Wismantara; Putu Budiarnaya
Jurnal Ilmiah Telsinas Vol 1 No 2 (2018)
Publisher : Universitas Pendidikan Nasional

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One of the most important soil parameters to design bearing capacity of a deep foundaton is at rest lateral pressure coefficient (Ko). Ko is the coefficient of lateral earth pressure under condition of no lateral deformation. For sand and clay soils, the Ko value can be obtained using mathematics formula; it is a function of an effective internal friction angle (f') or plastic index (PI) of the soil. For peat soil, however the Ko value can not be determined using the mathematics formula developed for sand and clay soils mention above. It has to be measured directly from laboratory test using a Ko-test tube. Unfortunately, that apparatus is not available in the market.Due to that reason, the first step of the research carried out. herein is to build the Ko-test tube apparatus; afterward, it is used to determine the Ko value of peat taken from Pekantua, Riau.The Ko-test tube was built as suggested by Abdelhamid and Krizek; it was calibrated with water to determine the relationship between horizontal strain of the Ko-test tube wall and radial stress. By using the apparatus, the Ko of sand was determined ; the result obtained is then compared to the Ko obtained from Jaky's formula. Whenever that apparatus gave a satisfactory result of Ko, the testing was 50 KPa, 100 KPa, 200 KPa and 400 KPa for loading and unloading conditions.The results show that the calibration result of the Ko-test tube can be expressed as linear aquation, that is, sr = 2.98 x 106e average (sr in KPa). The Ko of sand determined using the Ko-test built is comparable to that obtained using jaky's formula, that is 0.46. Under unloading condition, the Ko value of peat is constant 0.32; under unloading condition the Ko is not constant but it is function of OCR in which the increase of OCR is companied with the increase of Ko; the Ko is various between 0.32-0.44.

METODE PERBAIKAN TANAH DENGAN JUTE FIBRE DRAIN I Gusti Ngurah Nyoman Wismantara; I Komang Agus Ariana
Jurnal Ilmiah Telsinas Vol 2 No 2 (2019)
Publisher : Universitas Pendidikan Nasional

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Settlement problems can arise in construction of across in soft soil, especially the consolidation problems to need long time, whereas the concretion time to need short time relative. One way of overcoming these problems is the installation of Vertical Jute Fibre Drain in soft soil, it is the mean in order that to be able these drains speed up the consolidation process in the sub soft soil layers. The purpose of this method is to reduce the time required by the pore water to escape from the soil which also get to abbreviate for to reach the consolidation degree 90%, so that the damage of structure and maintenance cost can be reduced.

EVALUASI PERENCANAAN STRUKTUR JEMBATAN UNDERPASS SIMPANG TUGU NGURAH RAI, BADUNG, BALI Billy Chris Hutama Pasaribu; IGL Bagus Eratodi; Putu Ariawan; IGN Nyoman Wismantara
Jurnal Ilmiah Telsinas Vol 2 No 2 (2019)
Publisher : Universitas Pendidikan Nasional

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Congestion at the Tugu Ngurah Rai Roundabout junction that connects the road from Denpasar to the Nusa Dua and surrounding areas has become a problem in the city of Badung. This is because the road has not been able to handle the volume of vehicles at the intersection. Therefore it is necessary to make an underpass. The pass is planned with a total length of 408.4 meters which is divided into two parts, namely the closed section 100.40 meters and open 308 meters. The width of the road to be excavated is 16 meters wide for 2 (two) lanes. Geotechnical analysis is very necessary to plan the underpass structure, because the load that works on the underpass does not only come from traffic loads, but mostly comes from land which greatly affects structural stability. The method used for structural stability analysis in this study is the approach method based on IRC78 / 1983. The abutment design phase, like the structure of a retaining wall basically uses a trial system, then analyzes its stability provided that it must meet the value of the safety factor Sliding FS> 1.5, Bolster FS> 1.5, FS DDT> 3. In the case of the Underpass Simpang Tugu Ngurah Rai bridge the abutment is planned to be 7.8 meters high, 3.5 meters wide and 16 meters long from the ground surface. The results of the stability analysis on the abutment state that the soil can withstand shear forces, and rolling which works on the structure, but the carrying capacity of the soil cannot carry the structure above it, so the foundation below is needed. The foundation analyzed is a caissons foundation of 6 pile drill foundation with a diameter of 0.8 m and a depth of 3.4 meters. Each foundation pole can bear axial loads of 267,097 tons, so the total axial load that can be borne is 1602.55 tons. The caissons foundation with a diameter of 0.8 meters is a foundation that can withstand building structural loads on the Underpass and abutment bridges.

Perencanaan Pondasi Bore Pile Menggunakan Metode Standard Penetration Test (SPT) Cone Penetration Test (CPT) dan Analisis Efisiensi Biaya (Studi Kasus Proyek Hotel Solis Ubud Resort and Spa) Roberth Evander Meidudga; I Gusti Ngurah Nyoman Wismantara
Jurnal Ilmiah Telsinas Vol 3 No 1 (2020)
Publisher : Universitas Pendidikan Nasional

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The planned foundation at the hotel solis ubud resort and spa is a drill pole,caused soil conditions is impossible, to install shallow types. known from the results of soil tests obtained on the project, by using CPT method and SPT method. In this Thesis , the authors plan footing of the drill post by calculating capacity of the soil at that location with the planned depth using the data obtained from the building project, with two method, first standard penetrationt test (SPT) second cone penetration test (CPT) to compare cost efficiency of both methods in bore pile footing design, in hotel solis ubud resort and spa building project. the theoretical results obtained can be concluded that the SPT method used in the project, much more efficient in financing, than the results of the SPT method. on the calculation result get foundation size D = 45 cm for planning use method, whereas for planning using CPT method obtained size of foundation size D = 50 cm, with the same depth of 15m and the number of the same post that is 76 post.

Metode Peningkatan Daya Dukung Tanah Lunak I Gusti Ngurah Nyoman Wismantara; Putu Budiarnaya
Jurnal Ilmiah Telsinas Vol 3 No 2 (2020)
Publisher : Universitas Pendidikan Nasional

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Many sites in Indonesia contain of soft soils which mainly located in farming areas, slopes, alluvials, low level areas. The main problem of soft soils for performing construction work is big settlement which is caused due to low ultimate bearing capacity of soils.These low bearing capacities occurred because of consolidation process proceeded in long time and slowly. To solve this problem the geotechnicians has tried to modify some methods to increase the ultimate bearing capacity of soft soils. There are many methods have been introduced and widely used for increasing bearing capacity. This paper discuss about four methods such as Bamboo Piles Method, Pre Loading Method, Vertical Sand Drainage Method, Geotextile Method.Bamboo Piles Method use bamboo as reinforced soft soils. Pre Loading Method used Pre Loading as the beginning loading. This loading aimed to conduct process of settlement in shortier time. Vertikal Sand Drainage Method required installation of vertical Drainage to clear sands on the soils layer. After draining and pre loading consolidation process was expected would be proceeding in shorter time. Geotextile Method used material of geotextile as tension force to reinforce soft soils so that the ultimate bearing capacity increased. The maximum bearing capacity would be obtained if users installed it as well as soil's layer condition.

Analisis Biaya Perjalanan Lalu Lintas Akibat Adanya Pengaruh Hambatan Samping pada Ruas Jalan Raya Canggu I Gede Adi Pramesta; I Gusti Ngurah Nyoman Wismantara; Dewa Ayu Putu Adhiya Garini Putri
Jurnal Ilmiah Telsinas Vol 5 No 1 (2022)
Publisher : Universitas Pendidikan Nasional

Canggu Village is a village located in the tourist area of southern Bali. resulting in economic activity originating from tourism activities. transportation has greatly increased. especially in traffic conditions. this is the interest of researchers to analyze the cost of traffic travel due to side barriers. This method is to ensure the presentation of road fractions referring to the 1997 MKJI and the calculation of the BOK for vehicles involving the strategy of the Ministry of Public Works in 2005. Meanwhile, the calculation of the BOK for bicycles refers to the DLLAJ strategy. for the Province of Bali - PTS Consultant 1999. The consequences of this study are: 1) The current appearance of the Canggu Highway with the presence of side barriers are: The capacity of the street portion is 2.883 pcu/hour at top hours in the first part of the day. evening. what's more, evening. The degree of saturation or v/c ratio on the existing road is 0.513 for the morning peak hours. 0.469 and 0.496 for the afternoon and evening peak hours. The speed of light vehicles during the morning top hours is 13.48 km/hour. the afternoon peak hours are 14.11 km/hour and the afternoon peak hours are 13.48 km/hour hours. The level of service for each peak hour is at service level F. 2) The total traffic cost due to the presence of side barriers per 12 hours of observation is Rp. 4.372.938.06. and the cost of travel in each peak hour is for the morning peak hour at 07.15-08.15 Rp. 356.444.50. the peak hour at 12.15-13.15 is Rp. 297.484.08 peak hours in the afternoon at 16.15-17.15 for Rp. 707.875.89.

Analisis Biaya Perjalanan Lalu Lintas Akibat Adanya Pengaruh Hambatan Samping pada Ruas Jalan Raya Canggu I Gede Adi Pramesta; I Gusti Ngurah Nyoman Wismantara; Dewa Ayu Putu Adhiya Garini Putri
Jurnal Ilmiah Telsinas Vol 5 No 1 (2022)
Publisher : Universitas Pendidikan Nasional

Canggu Village is a village located in the tourist area of southern Bali. resulting in economic activity originating from tourism activities. transportation has greatly increased. especially in traffic conditions. this is the interest of researchers to analyze the cost of traffic travel due to side barriers. This method is to ensure the presentation of road fractions referring to the 1997 MKJI and the calculation of the BOK for vehicles involving the strategy of the Ministry of Public Works in 2005. Meanwhile, the calculation of the BOK for bicycles refers to the DLLAJ strategy. for the Province of Bali - PTS Consultant 1999. The consequences of this study are: 1) The current appearance of the Canggu Highway with the presence of side barriers are: The capacity of the street portion is 2.883 pcu/hour at top hours in the first part of the day. evening. what's more, evening. The degree of saturation or v/c ratio on the existing road is 0.513 for the morning peak hours. 0.469 and 0.496 for the afternoon and evening peak hours. The speed of light vehicles during the morning top hours is 13.48 km/hour. the afternoon peak hours are 14.11 km/hour and the afternoon peak hours are 13.48 km/hour hours. The level of service for each peak hour is at service level F. 2) The total traffic cost due to the presence of side barriers per 12 hours of observation is Rp. 4.372.938.06. and the cost of travel in each peak hour is for the morning peak hour at 07.15-08.15 Rp. 356.444.50. the peak hour at 12.15-13.15 is Rp. 297.484.08 peak hours in the afternoon at 16.15-17.15 for Rp. 707.875.89.

Analisa Kecelakaan Lalu Lintas di Ruas Jalan Bypass Ngurah Rai Kota Denpasar I Gusti Ngurah Nyoman Wismantara; Nengah Riana; Yanuarius Reinaldi Nenta
Jurnal Ilmiah Telsinas Vol 5 No 2 (2022)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v5i2.4113

The Ngurah Rai Bypass Road in Denpasar City is one of the roads that has a high accident rate. The Ngurah Rai Bypass accommodates traffic flow from the direction of Nusa Dua towards Denpasar City where the number of vehicles continues to increase every year, causing road conditions to become more congested and accidents to occur. The purpose of this study is to analyze the characteristics of traffic accidents on the Ngurah Rai Bypass Road and determine blacksites and blackspots. This study used a data collection method, namely secondary data for three years (2018 – 2020) obtained from the Denpasar City Police Traffic Unit. For calculations using the EAN method or equivalent accident number which is one of several calculation methods to determine accident-prone areas and points. The results of the analysis show that the number of accident incidents over the past three years (2018-2020) totaled 277 incidents with accident characteristics, namely the victim class with the highest level of severity was minor injuries (LR) of 298 people with a percentage of 67%, the highest accident time occurred at light time (06.00 -18.59) as many as 174 incidents with a percentage of 62.8%, the highest type of vehicle involved in an accident, namely motorbikes, 182 incidents with a percentage of 60.5%, the highest gender involved in an accident, namely men 261 people with a percentage of 58.7%, The highest age of victims involved in accidents was 17-30 years with 268 people with a percentage of 60.2%, the highest cause of accidents were road users (riders and pedestrians) with 260 incidents with a percentage of 93.9%. The 7 road segments that are categorized as blacksites on the Bypass Ngurah Rai road in Denpasar City are segment 25 (km 24-25), segment 28 (km 27-28), segment 13 (km 12-13), segment 9 (km 8- 9), segment 18 (km 17 – 18), segment 14 (km 13 – 14), segment 15 (km 14 – 15). Seven points are categorized as blackspots on the Denpasar City Bypass Ngurah Rai road, namely segment 25 (km 24.6 – 24.9), segment 28 (km 27.4 – 27.8), segment 13 (km 12 – 12.7), segment 9 (km 8.7 – 8.9), segment 18 (km 17 – 17.8), segment 14 (km 13 – 13.6), segment 15 (km 14.3 – 15).

Analisis Perbandingan Penjadwalan Menggunakan Critical Path Method (CPM) dengan Precedence Diagram Method (PDM) (Studi Kasus : Proyek Pembangunaan SD Negeri 5 Pecatu) Ariana, Komang Agus; Nuraga, Ketut; Budiarnaya, Putu; Ariawan, Putu; Wismantara, I Gusti Ngurah Nyoman; Riana, Nengah; Pangestu, Kadek Pasek
Jurnal Ilmiah Telsinas Vol 4 No 1 (2021)
Publisher : Universitas Pendidikan Nasional

Penjadwalana proyek sangat berpengaruhcterhadap keberhasilan dan kegagalan suatu proyek. Tujuanszxdari penelitian ini adalaha menganalisa penjadwalanc zproyeka dengana menentukanu kegiatan-kegiatans kritisz dan durasinyal menggunakan metodeh Criticalz Pathz Methodq (CPM)’ dan PrecedencezxDiagram Method (PDM). Datag yangv digunakanq dalamb penelitian iniz adalahx datas sekundera zyanga diperolehac dariiy kontraktorcpelaksana. Berdasarkan hasil penelitian dari Critical Path Method (CPM) diperoleh durasi 25 minggu atau 175 hari dengan kegiatan-kegiatan yang kritisnya antara lain kegiatan pekerjaan persiapan; pekerjaan tanah dan pondasi; pekerjaan listplank beton; pekerjaan balok dan pelat lantai 2; pekerjaan ring balok atap; pekerjaan pasangan kusen, pintu, dan jendela;pekerjaan sanitair/plumbing; pekerjaan pengecatan. Sedangkan hasil penelitian dari Precedence Diagram Method (PDM) diperoleh durasi 26 minggu atau 182 hari dengan kegiatan-kegiatan yang kritisnya antara lain kegiatan pekerjaan persiapan; pekerjaan’ tanah,’dan pondasi; pekerjaan pile’’cap; pekerjaan sloof; pekerjaan’’kolom lantai 1; pekerjaan tangga beton; pekerjaan balok dan pelat lantai 2; pekerjaan kolom lantai 2; pekerjaan ring balok atap; pekerjaan dinding dan plesteran; pekerjaan pasang keramikkklantaiiddan dinding; pekerjaan pasangg kusen,ddpintu dan jendela; pekerjaandggpengecatan; ddpekerjaan elektrikal. Perbandingan hasil analisa metode CPM dan PDM menunjukkan perhitungan PDM yang paling optimal karena pada proyek pembangunan SDN 5 Pecatu memiliki pekerjaan-pekerjaan yang tumpang tindih.

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