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Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan
Published by Universitas Islam Lamongan
ISSN : 25032399     EISSN : 26207222     DOI : https://doi.org/10.30736/cvl
Core Subject :
Jurnal Penelitian Teknik Sipil UNISLA (ISSN2503-2399) adalah jurnal ilmiah yang bertujuan untuk mengkomunikasikan hasil dan riset teknologi dalam rangka untuk pengembangan teknologi di bidang teknik sipil. Sasaran pembaca adalah para ilmuwan, akademis, serta praktisi dari bidang teknik sipil sebagai berikut: Rekayasa Struktural, Teknik Geotek, Rekayasa Sumberdaya Hidrolik dan Air, Rekayasa Transportasi, dan Manajemen Konstruksi.
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Articles 10 Documents
 1 
Search results for , issue "Vol 7, No 1 (2022): March" : 10 Documents clear
Determination Of The Zero Point Of Building Construction In Area C Of Kadiri University With Polygon Mapping Wiwit Mely Yanti Jannah; Zendy Bima Mahardana; Rama Putra Nugraha; Onie Wardani; Miya Setiyo Asih; Dwi Irin Mariana; Dodi Setiawan
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.771

Abstract

Area C of Kadiri University is an empty land located west of the campus area. The land is planned to construct buildings C, D, and E as a projected study area. In carrying out infrastructure development, it is necessary to have a mapping framework to coordinate building plans. Determining the zero point of action requires a land survey to determine the strategic position and the need for excavation or fill. The method used is a closed polygon with vertical and horizontal theodolite shooting tools. The results of the field details showed several projections of the building plan column from survey data on the location of the P1 device with coordinates 31900'43" elevation 123.93 MASL to the northern azimuth value, location P2 with coordinates 291035'48" elevation 125.07 MASL to azimuth P1, location P3 with coordinates 302023'58" elevation 124.179 MASL to azimuth P2,  location P4 with coordinates 29040'50" elevation 123.96 MASL to azimuth P3 and location P5 at coordinates 193056'47" elevation 124.48 MASL to azimuth P4. The land measurement survey data can be projected as a reference image of development and a determinant of zero point (beginning) in acting.
Maximum Utilization of Cocopeat Waste as a Substitute Material for Fine Aggregates On Paving Blocks Was Engineered Dwi Kurniati
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.791

Abstract

Waste utilization can be done in various ways, one of the wastes used in this study is cocopeat waste. Cocopeat is a coconut pulp powder commonly used to cultivate plants. But this time, this waste is processed into a paving block mixture. The goal is to find out the strong press and quality resulting from the utilization of cocopeat in the manufacture of paving blocks. The method used refers to SNI 03-0691-1996. The first step of coconut pulp is destroyed, then used as a paving block mixture as a sand substitution. Cocopeat substitution paving block testing with percentages of 0.6%, 0.8%, 1%, 1.2%, 1.4%, 1.6%, 1.8%, 2%, and 2.2%. The total compressed strong test sample conducted amounted to 90 pieces with a test object size of 150x100x60 mm. The average compressive force generated by each percentage is 0.6% of the 14.71 MPa, 0.8% of 13.56 MPa, 1% of 13.76 MPa, 1.2% of 14.74 MPa, 1.4% of 14.13 MPa, 1.6% of 13.08 MPa, 1.8% of 12.43 MPa, 2% of 13.22 MPa, and 2.2% of 10.33 MPa. In conclusion from the test results, cocopeat substitution paving blocks have an average grade C quality that can be used for pedestrians, so this mixture can be recommended.
Analysis of Development Planning for Infrastructure with Land Consolidation Concept in the Mandalika Special Economic Zone (SEZ) Baiq Elny Susanti; Ngudiyono Ngudiyono; Muhajirah Muhajirah
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.774

Abstract

Mandalika Special Economic Zone (SEZ) a national priority super tourism destination. The plan for holding an international MotoGP event requires the preparation of supporting infrastructure development. One of the pressing issues needing resolution is land conditions for permanent relocation. From a technical point of view, the land is still in the form of terracing, road access to the location is heavily damaged and some of the roads are unpaved. In addition, the relocation settlement area does not yet have public infrastructure. In this study sought to determine a strategy of funding sources for infrastructure development as well as priority factors for planning the development of infrastructure with the concept of land consolidation. The analysis in this study was carried out using Analytical Hierarchy Process (AHP) technique, showing that environmental factors had the highest weight of 0.414, followed by infrastructural with 0.295, economy with 0.157 and social factors with 0.133. For alternative factors, accessibility had a weight of 0.167, price had a weight of 0.148, quality had a weight of 0.161, location had a weight of 0.201, infrastructure had a weight of 0.176 and tradition had a weight of 0.144.
Split Tensile Strength of Self Compacting Concrete with Artificial Lightweight Aggregate Dhiafah Hera Darayani
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.779

Abstract

Earthquake damage to buildings is directly proportionate to the weight of the structure. Selfcompacting concrete is a type of concrete that can consolidate without the use of vibrator. To minimize damage structures caused by earthquakes, infrastructure development needs lighter materials and superior workmanship. Lightweight aggregate can reduce weight of the structure, SCC with ALWA is a solution to reduce dead load of the structure with ease of execution. The purpose of this study is to see how much the split tensile strength influences the composition of ALWA as coarse aggregate substitute in Normal Concrete and SCC. The proportions of ALWA that substituted into concrete were 0%, 15%, 50% and 100%. There are 24 cylindrical specimens, each measuring 100 mm in diameter and 200 mm in height. The analysis was carried out using ASTM C 496/C 496M. The results of split tensile strength show that the higher variation in the composition of ALWA, the lower split tensile strength produced. The addition of ALWA as a substitute for coarse aggregate in a mixture of normal and SCC concrete was most effective at 15% ALWA with a split tensile strength of normal concrete 2.23 MPa and SCC 2.32 MPa.
Effect of Adding Fly Ash and Rice Husk Ash on Compressive Strength to Meet the fc'35 MPa Concrete Quality Mardiaman Mardiaman; Hikma Dewita
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.778

Abstract

Portland cement usage has increased, leading to substitute materials being sought. The composition of the concrete mix material affects its strength. Concrete compressive strength is usually determined in 7, 14, 21 and 28 days. This study determined the compressive strength of concrete at variations of 28, 35, 42 and 49 days. The attained compressive design strength was fc'35 MPa from the variation of the mixed materials. The compressive test results based on the variation were above fc'35 MPa. The two substitute materials meet the strength requirements. The addition of fly ash and rice husk ash decreased the compressive strength of concrete at 28 days. The compressive strength of regular concrete and with additional materials is more than 35 MPa. Adding fly ash and rice husk ash by 20% still resulted in the compressive strength of concrete above 35 MPa, namely 36.78 MPa and 35.04 MPa.
Analysis of the Causes of Road Damage Edison Hatoguan Manurung; Kasimir Sawito; Aryo Satoto; Nurbaya Tuanany
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.793

Abstract

Road infrastructure as the lifeblood of the transportation system which plays an important role in supporting various aspects of life, thus must always be in good condition so that it can continue to contribute to improving services optimally through repair and maintenance. The handling of damage to flexible pavement construction in the form of maintenance, rehabilitation and road improvement has not been carried out optimally. This is possible when carrying out maintenance only on physical damage by not conducting ongoing evaluations of other possible causal factors that must be anticipated so that the road pavement does not experience the same damage. The description of this research is on various road damage and various factors causing damage in various regions in Indonesia, then the relationship between road damage. Using relevant research/previous literature review methods. According to the results of the analysis, road damage is known to dominate crack damage and surface defects. Then, the main factor causing road damage is that drainage maintenance is not carried out regularly and properly so that a lot of garbage clogs up or around the platform grows a lot of plants. Thus, road bodies and other road pavement complementary buildings that are well maintained show a significant type, severity and amount of pavement damage, which causes the repair process. must be done immediately
Risk Analysis of Surabaya – Bojonegoro Highway Improvement Project Based on Fuzzy Logic Nova Nevila Rodhi
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.789

Abstract

Infrastructure development is one of the efforts to improve the welfare of the community, but in its implementation, road construction projects have risks that can have an impact on the project as well as on the external side of the project. This research is a case study on the road widening project of Bojonegoro – Surabaya KM 107. The purpose of this research is to analyze the risks in the project using fuzzy logic. Based on the results of the analysis, it can be concluded that the Bojonegoro - Surabaya highway widening project has 10 risk factors, namely noise, air pollution, heavy equipment vibration, traffic accidents, congestion, reduced parking space, increased fuel consumption of road users, decreased income of people in surrounding locations, conflict between road users, covid 19. The results of the analysis using a risk matrix, all risk factors are at a moderate level, but the results of the analysis using fuzzy, there are 2 risks that are at a high level, namely traffic congestion and a decrease in people's income in surrounding locations.
An Easy Way To Determine The Flexural Quality Of Asphalt Is Using ASTM D113 – 07 and SNI 2432:2011 Surya Pratama; Andri Dwi Cahyono; Candra Dwi Saputra; Lina Budi Lestari; Puput Buqin Laso; Febynia Ananda Putri; Puji Rahayu Febyningtyas
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.751

Abstract

Asphalt is a material that has non-volatile properties and softens gradually when heated and functions as a binder for aggregates and as a surface covering material to make it impermeable to water. However, asphalt also has a weakness. Namely, it is easy to crack and be damaged when vehicles pass through the main road. To overcome cracked and worn roads, it is necessary to test the ductility of asphalt so that the road becomes flexible/plastic. This ductility test is very important because it greatly affects the pavement layer; Therefore, a ductility test is needed to determine the level of plasticity of an asphalt. The asphalt ductility test method refers to the specifications of ASTM D113 – 07 and SNI 2432:2011 with 3 samples of test objects and a test instrument called a ductilometer of type TAS – 250. Based on the ductility test, the asphalt ductility reaches an average elongation of 117.33 cm; This value indicates that the plasticity level of the asphalt has met the specifications and can be used in sustainable pavement construction layers because it has good plasticity.
Theoretical and Experimental Analysis of Concrete Stress-Strain with Artificial Coarse Aggregates and Steel Fibers Meity Wulandari
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.790

Abstract

Artificial coarse aggregates is an innovation to replace natural coarse aggregate. In this study, the material used for the preparation of coarse aggregate is industrial waste, namely Expanded Polystyrene (EPS). The purpose of using this s in addition to knowing the magnitude of the compressive strength, it is also necessary to know the amount of strain that occurs when the concrete receives a load. In addition to improving the performance of compressive strength, steel fibers are also added to the concrete mixture. The method used in this research is experimental and analyzed with a mathematical model to determine the theoretical modeling of the stress-strain curve. The experimental test results show that the use of steel fibers can increase the compressive strength of normal concrete while the effect of this artificial coarse aggregates can increase the strain value by 39% of normal concrete. The results of experimental and theoretical comparisons of mixture composition which are considered to be closest to the stress-strain curve of normal concrete are concrete with a mixture of 15% artificial coarse aggregates and concrete with a mixture of 15% artificial coarse aggregates and 0,75% steel fibers.
Castellated Steel Beams Efficiency by Topology Optimization Andaryati Ruseno; Yoki Triwahyudi
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 7, No 1 (2022): March
Publisher : Litbang Pemas - Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v7i1.800

Abstract

The IWF structure of castellated beams has developed its application along with advances in manufacturing technology which is applied to commercial and industrial buildings, especially the use of wide span beams and high rise buildings that require many beam openings as heating, ventilation and air conditioning (HVAC) lines. Castellated beam has the advantageous characteristics of cross-sectional inertia and larger cross-sectional modulus than the original IWF steel beam. In addition, it has the ability to carry a greater moment with greater stiffness.The purpose of this topology optimization is to produce the optimum layout and opening of the body plate which has a smaller weight or volume but has greater stiffness. Optimization is done by using a linear analysis of Finite Element Analysis (FEA). Topology optimization gives us optimum results and a clear result of the initial design (shape, width of openings and number of openings) resulting from the objective function (minimization of weight or volume) and the constraint function (structural stiffness, stress, displacement and volume ratio).To determine the relationship between the layout model based on shape density, stiffness ratio and volume ratio, a finite element topology optimization study for IWF steel profiles of 300x150x6.5x9 will be carried out with several volume ratio constraints of 0.5; 0.4 and 0.3. Topology optimization results will be validated and compared with the use of castellated beam product industry PT.Gunung Garuda Steel Group which is widely used in the Indonesian market.

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