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All Journal Jurnal Ilmiah Teknik Sipil TEKNIK Teras Jurnal AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Dinamisia: Jurnal Pengabdian Kepada Masyarakat BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Ilmiah Rekayasa Sipil Jurnal Teknik Gradien Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi
Silvi, Ni Putu
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation Other

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Performance of Reinforced Concrete Structures With The Effect Of Door And Window Holes Nonlinear Static Pushover Method Silvi, Ni Putu; Partama, I Gusti Ngurah Eka; Astariani, Ni Kadek; Sudika, I Gusti Made
Jurnal Ilmiah Teknik Sipil Vol 27 No 2 (2023): Jurnal Ilmiah Teknik Sipil, Vol. 27 No. 2, September 2023
Publisher : Department of Civil Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2023.v27.i02.p03

Abstract

Bricks are generally used as infilled walls or as room dividers in reinforced concrete structural frames. In structural modeling, brick walls are generally modeled as a load. But in reality, infilled walls contribute significantly to the framework of reinforced concrete structures. For this reason, it is necessary to include a wall model in the modeling. In this analysis, 3 models have been made, namely Model M1 is a model without infilling walls (open frame), model M2 is Fully Infilled Wall Frame and model M3 is Fully Infilled Wall Frame with door openings 24.8% and windows 41.6%. The purpose of this study was to determine the performance of reinforced concrete structures with and without the influence of door and window holes in the walls due to lateral loads. The analytical method used is Pushover nonlinear static method. The results showed that the open frame model with the IO (Immediate Occupancy) performance level has the ability to accept smaller lateral loads of 32.77% and 31.31% respectively against the Fully Infilled Wall Frame model and the Fully Infilled Wall Frame model with openings doors 24.8% and windows 41.6% with LS (Life Safety) performance levels due to earthquake loads in the X and Y directions.
Perkuatan Dinding Penahan Tanah Kantilever Beton Bertulang di Tumbak Bayuh, Badung - Bali: Strengthening of Cantilever Retaining Walls Reinforced Concrete in Tumbak Bayuh, Badung - Bali Silvi, Ni Putu
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7923

Abstract

The research, a reinforced concrete cantilever DPT case that experienced a slope was taken. The purpose of this study is to analyze the reinforcement of reinforced concrete cantilever DPT in order to meet the requirements for its stability level. The level of stability analyzed is overturning, sliding and bearing capacity. The method used in this study is a quantitative method with the help of Geo5 software. By adding reinforced floor slabs 200 mm thick, 1500 mm wide and 2000 mm deep from the upper limit, the stability parameters against overturning, shearing and soil bearing capacity have been met. Overturning stability with a safety factor of 2.01 > 1.50 (OK), shear stability with a safety factor = 1.71 > 1.50 (OK) and soil carrying capacity stability with a safety factor of 2.01 > 2.00 (OK), where the overturning, shearing and strength stability curves bearing after reinforcement is above the allowable factor curve. The research results concluded that it was necessary to add reinforced concrete slabs for the stability of the soil retaining walls required at this location.
Analisis Kuat Tekan Berdasarkan Nilai Pantulan Palu Menggunakan Spesimen Kubus Beton Agregat Lokal Bali Partama, I Gusti Ngurah Eka; Astariani, Ni Kadek; Sudika, I Gusti Made; Silvi, Ni Putu
TEKNIK Vol 45, No 3 (2024): December 2024
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v45i3.59107

Abstract

Terdapat dua metode pengujian kuat tekan beton yaitu Non-Destructive Test (NDT) dan Destructive Test (DT). DT dilakukan dengan Compression Testing Machine (CTM) sedangkan NDT dapat menggunakan Hammer Test (HT). Agregat lokal Bali mempunyai sifat yang spesifik, sehingga metode pengujian yang lazim perlu disesuaikan. Spesimen yang dicetak di lokasi pekerjaan diuji tekan menggunakan CTM di laboratorium pada umur tertentu yang diinginkan, sehingga perlu dimobilisasi untuk mengujinya. Lokasi pekerjaan yang jauh menjadi kendala tatkala informasi kuat tekan harus ditetapkan secepatnya. Alat HT bentuknya kecil, ringan, mudah dioperasikan, hasilnya cepat namun dianggap kurang akurat perlu dioptimalkan. Penelitian ini bertujuan untuk mendapatkan formulasi memberikan informasi kuat tekan (f’ck) yang representatif, dilakukan dengan metode eksperimen menggunakan spesimen kubus 15x15x15cm3. Nilai pantul (Rn) ditentukan berdasarkan rerata 3 sisi yang tidak dalam satu sumbu, sedangkan f’ck ditentukan menggunakan CTM. Korelasi keduanya ditentukan berdasarkan analisa regresi, untuk r2 terbesar, f’ck selalu positif serta korelasi Rn-f’ck yang selalu selaras adalah formulasi yang direkomendasikan. Kuat tekan beton agregat lokal Bali dapat ditentukan dengan HT (a=0o), spesimen kubus 15x15x15cm3 dan formulasi f’ck=0,0644Rn2-0,9261Rn+6,0725; Rn=rerata 5 nilai pantul pada 3 sisi kubus yang tidak satu sumbu. Formulasi tersebut untuk spesimen kubus pada umur 3-28 hari dan diatas 28 hari perlu kajian tersendiri.
Analisis dan Perkuatan Kolom Baja Struktural Akibat Beban Gempa Menggunakan HBeam Silvi, Ni Putu; Laintarawan, I Putu
Jurnal Ilmiah Rekayasa Sipil Vol 20 No 1 (2023): April 2023
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v20i1.1025

Abstract

Evaluation or study of existing building structures must consider the strength and stiffness of structural components due to gravity loads and earthquake loads. The strengthening to the existing Hbeam column structure is to add steel plates to the existing Hbeam column. This method is a way to improve structural performance due to earthquake loads in terms of ease of implementation, time and cost when compared to replacing or adding new structural components. The purpose of this study was to analyze the strengthening of Hbeam column steel plate due to seismic loads. Parameters analyzed were vibration period, lateral displacement and internal forces due to earthquake loads. This research is a quantitative analytical research, where the geometry data of the 3D frame portal structure is determined independently, while the material and loading data are based on (SNI 1727:2013) and (SNI 1729:2019). The 3D frame portal is modeled and analyzed using finite element based software, ETABS software. The results of the analysis show that the strengthening of the Hbeam column by adding a steel plate to the existing Hbeam column which is installed horizontally in the middle of the cross section with dimensions of 15 mm thick and 145 mm long (18.59% of the cross-sectional area of the Hbeam column) increases the stiffness of the structure by 12.01% and 14.2% respectively - for vibration period and lateral drift, respectively. The lateral displacement is smaller than the allowable lateral displacement with a drift ratio of less than 130%, so the structure does not experience a soft story. The average maximum internal forces (moment, shear and axial force) due to the earthquake load of the column structure with reinforcement increased by 12.50%, 9.68% and 14.01% respectively compared to the structure without strengthening along with the addition of dimensions to the existing Hbeam column.
Analisis Produktivitas dan Faktor Pengaruh Kinerja Tukang Pemasangan Hebel Menggunakan Productivity Rating (Studi Kasus: Proyek Pembangunan Villa Obao 2, Seminyak, Kuta, Badung) Silvi, Ni Putu; Putra, I Komang Alit Astrawan; Krisna, I Wayan Dela
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 1 (2024): April 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i1.1204

Abstract

The success of each job in a construction project influences the success of the project, where labor productivity factors influence the success of a project. If one project activity has problems, it will greatly affect other project activities because construction project activities are interrelated. Labor management is one of the problems that often causes delays in construction work. The lack of effectiveness of the workforce in carrying out their work makes it very difficult to obtain good productivity values. Smoking, taking breaks and eating during working hours are examples of activities that cause less productive work. Hebel wall installation work is a large volume job and requires a large amount of labor. From the description of the problems found related to labor productivity, this research will carry out an analysis of the productivity of the labor installing hebel installation and the influencing factors of labor productivity installing hebel installation on the construction of the Villa Obao 2 project on Jalan Raya Double Six, Seminyak, Kuta, Badung, Bali. This research uses the Productivity Rating method to determine the value of labor productivity in hebel installation work and distributes questionnaires to analyze factors influencing hebel labor productivity. The results of the analysis of labor productivity observed for 7 days, the average LUR value for workers installing hebel was 67.8% > 50%. Of the 10 factors influencing productivity, only 3 factors have a significant influence on productivity. These factors are the Wage Suitability factor (X3) with an influence value of 4.094, the Motivation factor (X7) with an influence value of 4.133, and the Communication Relations Factor between Employees (X9) with an influence value of 5.498.
Perilaku Rasio Tinggi Balok Kantilever Nonprismatis Beton Bertulang Silvi, Ni Putu; Laintarawa, I Putu
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1357

Abstract

Cantilever beam structures are part of civil building structures that are efficient in supporting loads without requiring additional structures. The reasons for using cantilever beams are that they can reduce weight compared to prismatic beams so that costs are reduced, architecturally they provide visual beauty and are aesthetically attractive, they can increase structural rigidity, they can reduce deformation to maintain structural stability and performance and they can produce innovative designs according to needs. The research method used is a quantitative research method using material data, geometry and cross-section of structural components. Model and analysis using SAP2000 software. In this research, 5 models have been made consisting of 1 reinforced concrete prismatic cantilever beam model with a ratio of end beam height (h1) and base beam height (h2) h1/h2 = 1/1 and 4 models (model 2, model 3, model 4, model 5) reinforced concrete nonprismatic cantilever beam with variations in the nonprismatic ratio of end beam height and base beam height with ratios h1/h2 respectively 1/2, 1/3, 1/4, 1/5. The dimensions of the beam are 450 mm wide and 1000 mm high with a beam length of 4000 mm. The beam is modeled as a shell element with rectangular and triangular element models. The position of the base of the cantilever structure is fully clamped. Based on the results of the analysis, it can be concluded that decreasing the height ratio (h1/h2) of the reinforced concrete non-prismatic cantilever beam or reducing the concrete volume for each model causes an increase in deflection and a decrease in the maximum principal stress (Smax) for the reinforced concrete prismatic cantilever beam model.
Analisis Perilaku Balok Beton Bertulang dengan Perkuatan Fiber Reinforced Polymer (FRP) Berdasarkan Variasi Tinggi Silvi, Ni Putu; Laintarawan, I Putu
Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v22i1.1730

Abstract

Structural failure due to structural design that does not meet the minimum standards according to SNI results in structural failure, one of which is cracks. One of the popular strengthening for reinforced concrete beams is using FRP (Fiber Reinforced Polymer). This is because FRP has the advantages of being lightweight, easy to install, corrosion resistant and does not interfere with the function of the structure. The purpose of this study was to determine the behavior of strengthening reinforced concrete beam structures using FRP with variations in FRP strengthening height against reinforced concrete beams without strengthening. The method used in this study is a quantitative method using FRP height variation data which is modeled and analyzed using the finite element method. Modeling and analysis using SAP2000 software assistance with 5 (five) models, namely model 1 is a model without reinforcement, models 2, 3, 4 and 5 with FRP heights of 0.25h, 0.5h, 0.75h and h respectively. The FRP thickness is 5 mm. The loads calculated in the analysis are the ultimate dead and live loads according to SNI 1727: 2020 (SNI Loading) and SNI 2847: 2019 (SNI Concrete). Based on the analysis results, strengthening reinforced concrete beams with FRP can reduce vertical deflection due to the ultimate load by an average of 46.146% compared to beams without strengthening. The ultimate moment of the support and the field of the FRP-strengthened beam can increase the ultimate flexural and shear capacity by an average of 0.242% compared to beams without strengthening. Likewise, the bending stress s11 min and s11 max of the FRP-strengthened beam can increase the average bending stress capacity by 21.65% compared to beams without strengthening. The maximum stress and strain contours decrease as the FRP strengthening height increases.
Pengembangan Desa Wisata Darmasaba Melalui Perancangan Ekowisata Jalan Usaha Tani dan DAM Tanah Putih Rijasa, Made Mariada; Silvi, Ni Putu; Putri, I Gusti Agung Prabandari Tri; Putri, Cokorda Istri Agung Vera Nindia; Setyaningsih, Ni Putu Ari
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 2 (2023): Mei
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v7i2.16395

Abstract

Desa wisata sedang menjadi pengembangan yang sedang dilakukan oleh pemerintah daerah, termasuk Desa Darmasaba. Konsep sustainable architecture dan sustainable tourism mendasari perancangan ekowisata Jalan Usaha Tani (JUT) dan DAM Tanah Putih. Sustainable architecture mengarah pada penggunaan material ramah lingkungan sehingga mendukung ekowisata yang mengarah pada pelestarian lingkungan. Target utamanya adalah menarik wisatawan untuk datang ke Desa Darmasaba dan berdampak pada kesejahteraan masyarakat desa. Pemilihan JUT untuk dikembangkan karena adanya fungsi tambahan yang dapat dimanfaatkan dengan baik yakni sebagai sarana berolahraga. Beberapa tahapan yang dilakukan meliputi persiapan, observasi lapangan rencana pembangunan ekowisata, perancangan gambar, sosialisasi desain yang telah selesai, serta tahap berkelanjutan. Perancangan gambar oleh tim PkM memanfaatkan sejumlah aplikasi seperti Autocad, SketchUp, Photoshop dan Lumion. Hasil dari pengabdian berupa desain jalur jogging track dan area rekreasi terbuka hijau dengan mengedepankan aspek pembangunan berwawasan lingkungan, edukasi, serta ekonomi. Pada tahap sosialisasi, perwakilan masyarakat merasa senang apabila perancangan ekowisata dapat segera direalisasikan. Program berkelanjutan akan dilaksanakan pada periode mendatang saat desain ekowisata telah mendapatkan persetujuan pembangunan.
ANALISIS FAKTOR PELUANG TERJADINYA KECELAKAAN PENGEMUDI SEPEDA MOTOR DI KOTA DENPASAR Wirahaji, Ida Bagus; Silvi, Ni Putu
Jurnal Teknik Gradien Vol 17 No 02 (2025): JURNAL TEKNIK GRADIEN (ON PROGRESS)
Publisher : Fakultas Sains dan Teknologi Universitas Ngurah Rai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47329/teknik_gradien.v17i02.1616

Abstract

Kecelakaan lalu lintas merupakan peristiwa di jalan yang menyebabkan korban mengalami luka ringan, luka berat, bahkan meninggal dunia, selain kerugian waktu, finansial dan sebagainya. Kecelakaan lalu lintas yang terjadi di Kota Denpasar didominasi oleh sepeda motor (SPM). Penyebab kecelakaan yang dialami pengemudi sepeda motor sebagian besar akibat perilaku pengemudi dalam berkendara. Tujuan penelitian ini menganalisis faktor peluang terjadinya kecelakaan pengemudi sepeda motor yang terjadi di Kota Denpasar. Sebanyak 16 indikator digunakan dalam penelitian ini untuk mengukur peluang terjadinya kecelakaan. Pengumpulan data persepsi berskala Likert disebarkan kepada 400 responden yang berdomisili di Kota Denpasar. Data persepsi dianalisis menggunakan metode confirmatory factor analysis (CFA) pada SEM AMOS. Hasil analisis menunjukkan, hasil uji validitas memenuhi dengan seluruh nilai p < 0,05, dan seluruh nilai loading factor (λ) > 0,60, dan hasil uji reliabilitas dengan nilai construct reliability (CR) sebesar 0,982 > 0,70 dan average variance extracted (AVE) 0,786 > 0,50. Data berdistribusi normal dan tidak mengandung data outlier. Delapan indeks kecocokan juga sudah terpenuhi. Dari 16 indikator yang dilibatkan, hanya 8 indikator yang secara signifikan dapat mengukur faktor peluang terjadinya kecelakaan. Kedelapan indikator itu dengan faktor loadingnya (λ) adalah: Mengemudi dengan kecepatan tinggi (Y1) (0,903), Membuntuti kendaraan terlalu dekat (Y2) (0,887), Mendahului dengan berpindah jalur secara zig-zag (Y3) (0,894), Melanggar rambu-rambu lalu lintas (Y6) (0,884), Berbelok tanpa menyalakan lampu sen (Y7) (0,896), Mengemudi sambil menggunakan ponsel (Y12) (0,896), Mengemudi usai minum alkohol (Y13) (0,869), dan Berbelok tanpa mengurangi kecepatan (Y15) (0,881).
Kajian Penentuan Kuat Tekan Beton Berdasarkan Nilai Pantul Palu dengan Memvariasikan Pola Titik Pantul Partama, I Gusti Ngurah Eka; Silvi, Ni Putu; Sudika, I Gusti Made
Teras Jurnal : Jurnal Teknik Sipil Vol. 13 No. 1 (2023): Volume 13 No 1, Maret 2023
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v13i1.838

Abstract

Abstrak Indikasi kekuatan tekan beton dapat ditentukan dengan Destructive Test (DT) dan Non-Destruktive Test (NDT). Core Drill (CD) termasuk DT dapat menyebabkan perlemahan kekuatan elemen struktur namun hasilnya dapat menginformasikan mutu beton yang representatif. Hammer Test (HT) relatif mudah dilaksanakan namun hasilnya sering dipertanyakan. Penelitian ini bertujuan mendapatkan formulasi kuat tekan dalam fungsi nilai pantul palu dengan eksperimen menggunakan pelat beton ukuran 30x75x15 cm dengan komposisi berat 1PCC:2,697Ps:2,201 Kr, w/c sebesar 0,5. HT pola segiempat dan radial dilakukan setelah beton mengeras. Spesimen silinder 80x150 mm diambil dengan CD pada umur 14, 21, 28 dan 35 hari selanjutnya diuji tekan. Penelitian ini menyimpulkan untuk HT α sebesar 90o pola segiempat, kuat tekan dengan formulasi , Rn rerata nilai pantul pusat dan empat pada sudut bujur sangkar dengan sisi minimum 3,6 cm, serta dalam pola radial dengan formulasi , Rn rerata nilai pantul pada pusat pengujian dan 4 lainnya keliling merata dalam radius minimum 2,5cm dari pusat. Kata kunci: Kuat tekan beton, hammer test, core drill, destructive test, non- destructive test  Abstract Indication of concrete compressive strength can be determined by Destructive Test (DT) and Non-Destructive Test (NDT). Core Drill (CD) including DT can cause a weakening of the strength of structural elements, but the results can inform representative concrete quality. The Hammer Test (HT) is relatively easy to perform, but the results are often questionable. This study aims to obtain the formulation of compressive strength in terms of hammer reflection value, by experimenting with a concrete plate measuring 30x75x15 cm with a weight composition of 1PCC:2.697Ps:2.201Kr, w/c as 0.5. HT rectangular and radial patterns are carried out after the concrete hardens. Cylindrical specimens of 80x150 mm were taken with a CD at the age of 14, 21, 28 and 35 days and then compressed. This study concludes that for HT α as-90o quadrilateral pattern, compressive strength with the formulation   , Rn mean central and four reflected values at the corners of a square with a minimum side of 3.6cm, as well as in a pattern radial with the formulation , Rn is the average reflectance value at the center of the test and the other 4 circumferences evenly within a minimum radius of 2.5cm from the center. Keywords:   Concrete compressive strength, Hammer Test, Core drill, Destructive Test, Non-Destructive Test.
Co-Authors Astariani, Ni Kadek Cokorda Istri Agung Vera Nindia Putri I Gede Gandhi Silantara I Gusti Made Sudika I Gusti Ngurah Eka Partama I Gusti Ngurah, Eka Partama I Putu Laintarawan Ida Bagus Wirahaji Krisna, I Wayan Dela Laintarawa, I Putu Made Mariada Rijasa Putra, I Komang Alit Astrawan Putri, I Gusti Agung Prabandari Tri Setyaningsih, Ni Putu Ari