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Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa
Published by Universitas Warmadewa
ISSN : 23032693     EISSN : 25812939     DOI : https://doi.org/10.22225/pd.6.2.482.108-122
Core Subject : Social, Engineering,
Civil Engineering, Building, Construction & Architecture Environmental Science
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa, 2303-2693 (Print ISSN), 2581-2939 (Electronic ISSN) is a journal of civil engineering provides a forum for publishing research articles or review articles which published by Warmadewa University Press jointly with Progam Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa. This journal is also dedicated to provide an intellectual space of scholarly discussion how journal of civil engineering able to create the new global formation of civil engineering and similar issues. This journal has been distributed by Progam Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa started from Volume 1 Number 1 Year 2012 for Print and Oline from Volume 3 Number 1 Year 2014 to present. This journal encompasses original research articles, review articles, and short communications, including: Civil Engineering; Water Resources; Construction Management; Transportation; Structure; Geotechnics; Environment; Others Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 283 Documents
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Studi modeling dan mapping inundasi tsunami menggunakan software Delft3D studi kasus Pantai Labuan Jukung Lampung M. Gilang Indra Mardika; Mashuri; Dandi Rahman Hakim
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 13 No. 1 (2024)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.13.1.9348.54-63

Abstract

To begin with, one of the valuable beaches at Pesisir Tengah Krui District is Labuhan Jukung Beach that directly encounters the Indian Ocean and is crossed by tectonic plates. The current position could consequence a tsunami disaster and cause loss and damage to the area at any time soon. In addition, no hazard map released by the National Center for Volcanology and Disaster Mitigation in the study location is one of the shortcomings of tsunami-prone areas in the West Coast tourist area. Tsunami wave propagation model establishment is a monumentally vital step in tsunami mitigation to pinpoint areas which are vulnerable to tsunami disasters and maximize the damage control. One way or another is by utilizing Delft3D 4.04.01 software according to wave propagation simulation scenario analysis. The input for modeling adopts historical tsunami height data which has similar characteristics to the case study location points, simultaneously 3.6 meter, 8 meter and 15 meter. The outcome wave height of 3.6 meter takes within 36 minutes to reach the coast and it does not cause inundation, meanwhile the outcome of waves height of 8 meter and 15 meter are accomplishing a tsunami inundation on land which takes 33 - 35 minutes to approach the coast. The data used in these scenarios demands the model accuracy requirements of modeling validation by inspecting the wavelengths formed in shallow water. Based on all of these scenario modeling results, the maximum propagation scenario for an 8 meter wave height on land is 330 meter, on the other hand for a 15 meter wave height is 450 meter from the coastline.
EFEK PENGGUNAAN PASIR BATU APUNG SEBAGAI PENGGANTI SEBAGIAN AGREGAT HALUS PADA CAMPURAN BETON RINGAN Abdul Gaus; Mufti Amir Sultan; Raudha Hakim
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 8-13
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5269.8-13

Abstract

Lightweight concrete is obtained using pumice sand as a substitute for fine aggregate. The expected advantage of lightweight concrete is to reduce the self-weight of the concrete, which is a dead load on the structure. This study aims to determine the effect of using pumice sand on concrete volume weight, compressive and tensile strength. Research methods with testing in the laboratory. The test object used is cylindrical with a height of 30 cm and a diameter of 15 cm, according to SNI-03-1974. The coarse aggregate of pumice and the fine aggregate of pumice sand were sourced from the Dowora quarry on Tidore Island. Fine aggregate in control specimens using normal sand from the Kalumata quarry on Ternate Island. Using pumice sand as fine aggregate with a ratio of 75% normal sand, 20% pumice sand, 50% normal sand and 50% pumice sand, 25% normal sand and 75% pumice sand, and 100% pumice sand. Control test object using 100% normal sand. Each variation of the test object is ten pieces, so that the total test object is 50. The results of this study indicate that the volume weight decreased along with the addition of pumice sand weight into the concrete mixture. Therefore, If the volume of concrete produced is < 1900 kg/m3, the concrete is classified as lightweight. The resulting compressive strength of 56.63 kg/cm2 decreased to 81.10% of the control test object. The split tensile strength of concrete is 1.13 kg/cm2, or a decrease of 52.05% of the control test object. Based on the compressive and tensile strength, concrete is categorized as lightweight structural concrete as an insulator.
STABILITAS TANAH LEMPUNG DENGAN SERBUK CANGKANG KERANG TERHADAP NILAI KUAT GESER Ikhwan Ardi; Gusneli Yanti; Muthia Angraini
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 1-7
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5519.1-7

Abstract

Soil stability is one of the efforts to increase the carrying capacity of the soil. Clay soils with high plasticity have the potential to become problematic soils because they have low bearing strength and high shrinkage expansion. One of the methods to increase the bearing capacity is the stabilization of clay soil using Shellfish Powder. This study aims to determine the value of the shear strength of clay with the addition of shells powder. The land used is from Jalan Gunung Sari, District of Rumbai, Pekanbaru City. The research method used in this research is an experimental method. The experiment was carried out by mixing the original soil with clam shell powder with variations of a mixture of 0% 5%, 10%, 15% and 20% then the sample is tested using the Direct Shear tool, the method used is the Direct Shear Test (SNI 3420:2016). The results showed that the greater the variation of shell powder, the shear stress, cohesion and shear angle increased. The value of shear stress, cohesion and shear angle of the original soil obtained a shear stress value of 0.6218 kg/cm2, a cohesion value of 0.3478 kg/cm2, and a shear angle of 24.65°. The value of the highest shear stress, cohesion and shear angle at the addition of stability is 20% with a shear stress value of 0.6995 kg/cm2, a cohesion value of 0.3905 kg/cm2 and a shear angle of 27.30°. The conclusion of this research is the value of shear strength of clay with the addition of shells powder can increase the value of shear strength and bearing capacity of clay.
PEMANFAATAN BUTON GRANULAR ASPHALT TIPE B 5/20 PADA CAMPURAN ASPAL BETON TERHADAP NILAI KEAUSAN (CANTABRO TEST) Wan Muhammad Iqbal; Winayati; Alfian Saleh
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 14-20
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5638.14-20

Abstract

Buton Granular Asphalt has properties to improve pavement characteristics because the material from Buton Granular Asphalt contains fine grains of material that provide strength to the road pavement so that with the increase in the strength of this pavement layer, it will affect the wear of the pavement due to the frictional force of the wheels on the road pavement. So it is necessary to do the properties and characteristics of the strength of the asphalt concrete mixture with the use of Buton Granular Asphalt. This research uses Buton Granular Asphalt as an added material for Asphalt Concrete – Wearing Course (AC-WC) pavement layers. The method used in this research is an experimental study in the laboratory by looking at the parameters and national standards set in laboratory testing. Buton Granular Asphalt is an asbuton product that has bitumen content between 20-25%. From the results of the Optimum Asphalt Content (KAO) test, the optimum asphalt content value is 5.64%. After getting the Optimum Asphalt Content, the test object was made with the addition of Buton Granular Asphalt, variations were made with values of 0%, 1%, 2%, and 3% of the asphalt weight. After making the test object, the cantabro test was carried out. From the results of the study, the value of weight loss at 0% levels was 8.82%, 1% levels were 5.18%, 2% levels were 2.46% and 3% levels were 1.84%. The results of this study indicate that the use of Buton Granular Asphalt material with a content of 3% has the lowest weight loss value, with the use of Buton Granular Asphalt as an added material has a high resistance to wear and tear. This indicates that adding Buton Granular Asphalt can make the pavement resistant to wear and tear caused by vehicle wheel friction and because the content of Buton Granular Asphalt consists of a fine material that can make the interlocking of the pavement mixture stronger.
PEMODELAN PENURUNAN TANAH DI IBU KOTA NEGARA NUSANTARA MENGGUNAKAN ANALISIS NUMERIK METODE ELEMEN HINGGA LISA V.8 Aco Wahyudi Efendi
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 21-29
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5643.21-29

Abstract

The IKN area is dominated by hilly areas and broad plains, Seeing the various soil characteristics and varying land elevations, disasters such as landslides and land subsidence often occur. This study validates the results of LISA against a geotechnical analysis program that is very often used and specifically for geotechnical software. It is hoped that the results of this study can contribute to the geotechnical world, especially to become a new treasure using the finite element method LISA. Forr the point of view the settlement that occurs is 0.0623 meters, where at analysis using geotechnical software, the settlement that occurs at the same point in the review is 0.0633 meters, there is an insignificant difference with a ratio of 1.016 from the results of the geotechnical software with the results of LISA V.8 FEA.
ANALISIS EKIVALENSI SEPEDA MOTOR DENGAN METODE REGRESI LINIER BASIS KECEPATAN DI KUTA UTARA SAAT PPKM I Made Kariyana; Gede Sumarda; Yoga Andika; Tri Hayatining Pamungkas
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 36-43
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5750.36-43

Abstract

The use of motorcycle modes in Badung Regency has the highest population compared to other modes of transportation. The congestion on the Badung City Highway is a result of the growth rate of motorcycles, as is known that the 1997 Indonesian Road Capacity Manual, which is used to assess traffic performance in Indonesia as a whole, still uses the equivalence of passenger cars as a basis. Based on this context, a study was conducted on motorcycle equivalence analysis using a speed-based linear regression method and compared the results with the equivalence of passenger cars in the 1997 Indonesian Road Capacity Manual, which was carried out during the conditions of the implementation of restrictions on community activities, especially on Canggu Highway, Kerobokan Highway, and Padang Luwih Highway. The method applied in this study is quantitative, namely by calculating the equivalence of a motorcycle with regression analysis. The research analysis showed that the equivalence of motorcycles, light vehicles, and heavy vehicles in Kerobokan highway are 1.00, 8.36, and 16.22, respectively. The equivalence value in the Canggu Highway for motorcycles, light vehicles, and heavy vehicles are 1.00, 7.15, and 15.28, respectively. Padang Luwih Highway gets a motorcycle equivalence of 1.00, for light vehicles 3.98, and for heavy vehicles 14.53. Meanwhile, the performance figures obtained on Canggu Highway were 9,059 ssm/hour with a saturation degree of 3.46. On Kerobokan Highway, the degree of saturation is 2.56 ssm/hour, with a traffic flow of 6.925 ssm/hour. Meanwhile, the traffic flow data for the Padang Luwih Highway section is 9,008 ssm/ hour with a saturation degree of 2.93 ssm/hour.
KAJIAN EFEKTIVITAS SUMUR RESAPAN DI KECAMATAN DENPASAR BARAT Tri Hayatining Pamungkas; Ida Bagus Weda Erlangga; Kadek Budhi Warsana; Putu Doddy Heka Ardana; I Ketut Soriarta
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 44-52
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5751.44-52

Abstract

West Denpasar District is a densely populated area with 206,958 people. One of the environmental problems that occur is the frequent occurrence of floods due to the increase in residential areas. One way to overcome this is to build infiltration wells to reduce flood risk, reducing flood volume and discharge. The methods used are descriptive and quantitative. The analysis is carried out by describing the conditions of the study site, then continues with mapping analysis, hydrological analysis, infiltration well analysis, and effectiveness analysis. The analysis results stated that the peak discharge of the 50-year-old flood at the study site was 268. 90 m3/sec. Furthermore, the results of the planning analysis of the application of infiltration wells carried out in the West Denpasar District area, which is included in the Badung River Basin, can reduce flood discharge up to 41. 25%, and for flood runoff, volumes up to 51. 38%. Based on these results, it can be interpreted that infiltration wells have a role in reducing the risk of flood disasters in the West Denpasar District.
APLIKASI IRIGASI TETES BERTINGKAT DENGAN TANAMAN CABE DI PERUMAHAN PADAT PENDUDUK KOTA MATARAM HULU I Dewa Gede Jaya Negara; Bambang Harianto; Anid Supriyadi; Agus Suroso
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 66-75
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5882.66-75

Abstract

This study aims to determine the ability of multilevel drip irrigation using a lateral pipe from a 12 mm Netafim (NTF) pipe and ½" PVC on soil media in polybags with variations of soil to compost 70%: 30%, 50%: 50%, 30%: 70%. Tests were carried out with variations in the depth of the water tower 220 cm, 120 cm, and 30 cm from the lateral drip pipe to the irrigation uniformity (CU), irrigation distribution and irrigation depth produced. The research was conducted on a residential yard measuring 1.5 m x 4 m x 2 m, the distance between the network levels was 1m and the tower height was 2.5 m. The results showed that drip irrigation with PVC and NTF pipes resulted in a deviation of irrigation volume at each level of the network of about 2 ml, with a decrease in the deviation of irrigation volume from the deviation of drip irrigation with NTF-level pipes of about 85%. Tests on NTF drip irrigation with a soil composition of 70% at various tank volumes, obtained a maximum irrigation depth of about 13 cm-20 cm and a minimum irrigation depth of 30% soil ranging from 5 cm-14 cm. For the NTF and PVC drip irrigation tests, the highest irrigation depth was obtained on 30% soil with a maximum irrigation depth of 10 cm-15 cm, while the minimum irrigation depth was obtained on 70% soil ranging from 6cm to 10cm. The average uniformity of PVC pipe multilevel drip irrigation and NTF was obtained at 95% with a more even distribution of irrigation water volume at each level.
ANALISIS KUAT TEKAN DAN ULTRASONIC PULSE VELOCITY (UPV TEST) PADA MUTU BETON K 350 MENGGUNAKAN BETON SISA PENGUJIAN SEBAGAI SUBSTITUSI AGREGAT KASAR Azhar Darujati; Sartika Nisumanti; Ghina Amalia
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 30-35
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.5890.30-35

Abstract

One of the efforts to reduce the exploitation of natural rock as a constituent material for concrete is to utilize the concrete left over from the test. The test waste concrete used is leftover concrete or waste from laboratory test results as a substitute for coarse aggregates in the manufacture of new concrete. The purpose of this study is to determine the effect of using the residual concrete of the test as a substitution of coarse aggregates in the concrete mixture against the values of compressive strength and density through the ultrasonic pulse velocity (UPV) test. The research method used in this study is an experimental method by testing the compressive strength of concrete and testing ultrasonic pulse velocity (UPV test). From the test results, the average compressive strength of mixed concrete left over from the test experienced an increase in concrete compressive strength at a variation of 25% by 25.3 MPa, 35% by 26.7 MPa, and 50% by 28.6 MPa, but did not exceed normal concrete by 30.6 MPa. Meanwhile, the results of ultrasonic pulse velocity (UPV) testing experienced an increase in the average rapid propagation of 25% variation waves by 4034.0 m/s, 35% by 4413.7 m/s, 50% by 4589.3 m/s, and normal concrete by 4534.3 m/s. So the higher the compressive strength value of concrete, the higher the UPV test results will be.
ANALISIS KEKUATAN ATAP KUBAH DENGAN STRUKTUR RANGKA KAYU KELAPA P. Adi Yasa; Decky Cipta Indrashwara
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa 76-84
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.1.6076.76-84

Abstract

The dome roof truss structure with coconut wood is an innovation initiated by CV. Bali Mandala on one of their projects located in Hawaii. Where the main material uses coconut wood which has been treated first to increase termite and fire resistance. This dome roof has a unique floral patterned truss structure, because of this unusual shape of the structure, so to ensure that the structure is safe and can be marketed widely, it is necessary to complete a feasibility test. The limited facilities for direct wind load testing are the reasons why analysis with three-dimensional (3D) computer modeling is needed. To be able to obtain the appropriate structural behavior between reality and the 3D model, validation was carried out by trial and error on the elasticity of the wood to obtain the appropriate deformation between the structure in the field and the 3D model. The validated 3D model is provided with roof loads, wind and snow loads following ASCE 7-22 provisions for the Hawaii area. From the combination of service load (D+Lr) the maximum deformation is 20.7 mm while the maximum allowable deflection is 30 mm. The tensile, compressive, shear, and flexural capacity of wooden elements, is checked based on the Allowable Stress Design Method (ASD) SNI 7973: 2013, where the compressive, tensile, shear, and flexural stresses due to the load are smaller than the allowable stress. So, from the results of stress control and deflection which are still below the limit value, it can be said that the dome roof with the coconut wood frame structure is safe and can be applied.

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