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Jurnal Rekayasa Konstruksi Mekanika Sipil

JRKMS
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Published by Universitas Katolik Santo Thomas Sumatera Utara

ISSN : 26145707 EISSN : 27151581 DOI : -

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

Jurnal Rekayasa Konstruksi Mekanika Sipil (JRKMS) UNIKA Santo Thomas Sumatera Utara meliputi kajian di bidang Teknik khususnya Teknik Sipil seperti Matematika teknik, Mekanika teknik, Analisis struktur, Konstruksi baja, Konstruksi beton, Konstruksi kayu, Konstruksi gelas, Mekanika tanah, Teknik Pondasi, Hidrologi, Hidrolika, Bangunan air, Manajemen konstruksi, Dinamika Struktur, Earthquake engineering, Informatika, Ilmu Ukur Tanah, Struktur bangunan sipil, Rekayasa Jalan Raya , serta penelitian-penelitian lain yang terkait

Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur

Articles 7 Documents

Search results for , issue "Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019" : 7 Documents clear

Adopsi Life Cycle Costing Untuk Bangunan Gedung Diklat Muara Enim Peter KAMING; Ign. Himawan LIANO; W. Alexander SIGIT
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

Both initial cost for construction and future costs for operation and maintenance of buildings are very important that must be considered by the building owner. Therefore, estimating Life Cycle Cost (LCC) in long term is a must in determining the amount of money spent for the building projects. The objective of this study is to apply a method for LCC to estimate overall costs starting from initial, maintenance, and operational costs. In this study, the LCC also incorporated inflation and bank interest rates in long-term perspective. In this study, LCC was implemented in a building that functioned as a training facility in a building complex in the Muara Enim District. Southern Sumatera. By using the LCC method for estimating cost for a period of 25 years, result shows that the proportion initial cost of construction is 39.12%, maintenance and replacement cost is 16.28%; and operational cost is 44.61%.

Analisis Faktor-Faktor Eksternal Yang Mempengaruhi Produktivitas Tenaga Kerja Pada Pekerjaan Pembuatan Batako Sebastianus Baki HENONG; Reginaldo Ch. LAKE
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

productivity is the ratio between output and input, or the comparison between product results and the total resources used. Based on several field observations, the productivity of labor spread across the city of Kupang, especially in brick production, varies greatly. As a result of varying productivity, the results obtained are also very varied. This research was completed with a multiple regression analysis method that began with the collection of raw data through site surveys the distribution of questionnaires to respondents including the owners of brick companies and brick workers in the city of Kupang. Of the five external factors that are used to determine how they affect the productivity of brickworkers in Kupang City, the influence factor is the weather. The significant value of the effect of X3 on Y was 0.279 > 0.05 and the t value was 2.095 > t table 2.00758. Thus it can be concluded that H3 is accepted which means there is an influence of X3 on Y. While the other four factors namely the distance of raw materials to the production machine, cleanliness, wages and motivation do not affect the productivity of the brickworkers..

Pengaruh Epoxy Terhadap Sifat Mekanik Beton Dengan Bahan Tambah Kaca Sebagai Substitusi Agregat Halus Ade LISANTONO; Evander TANDEAN
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54367/jrkms.v2i2.521

y concrete consists of cement, water, sand and gravel. To increase the adhesion of concrete materials is adding epoxy to the concrete. While, to make the concrete has a good in water-resistant is adding glass powder which is expected to fill the air cavity in the concrete. This study aims to determine the adhesion of epoxy to glass with aggregates in a concrete ixture. Substitution of fine aggregate with glass powder is 50% by weight of fine aggregate and the use of epoxy is 10% by weight of cement. Test specimens were cylindrical with the size of (150 Ã— 300) mm. Specimens with the size of (500 Ã— 100 Ã— 100) mm were also made. The Tests were carried out at the age of 14 and 28 days of concrete. Three variations were made, namely normal concrete, concrete with glass powder, and concrete with glass powder plus epoxy. The test results show that the substitution of glass powder can improve the mechanical properties of concrete, while the addition of epoxy does not significantly influence the mechanical properties of concrete with glass powder.

Kajian Infrastruktur Ramah Lingkungan Di Perkotaan Wulfram I. ERVIANTO
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

The city is an important part of the population as a space to work and socialize with fellow residents who occupy it. Not surprisingly, most of the population moves towards the city to get a more established livelihood. Data shows that the majority of the population living in the villages began to move to the city for various reasons, as indicated by the high rate of urbanization from year to year. One day the village will lose its role as a food barn for residents of the region. On the other hand, infrastructure needs in urban areas tend to increase which results in a decline in natural resources, especially those that are not renewable.To maintain a balance between the capabilities of nature providing various types of natural resources and infrastructure needs that continue to increase from year to year. The right approach is needed by implementing environmentally friendly development. This study discusses environmentally friendly approaches that are implemented in several infrastructures, namely (1) Eco-friendly sea port consisting of 23 important factors, (2) Environmentally friendly airport consisting of eight aspects, (3) environmentally friendly train station that covers three aspects, (a) in the train station environment, (b) along the railroad, through a tree planting greening program that absorbs CO_2 emissions, (c) Appropriate use of water quality and amount, for toilet purposes on trains using used water or rainwater harvested during rain.

Analisis Kondisi Keruntuhan Dan Beban Tekuk Kolom Profil Baja Hendry Tanoto KALANGI; Jonie TANIJAYA; Ronald Likar WITANTO
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

This study discussed the H and WF steel profiles that encountered axial compressive forces. A structural element with a straight geometry was loaded by axial compressive forces which is started from 1 N until the highest load that could be achieved. This simulations was done by finite element method program of Ansys R18.0. In this study, an analysis of the H and WF steel profiles was carried out to obtain failure conditions and the value of buckling load that can be achieved from the steel profile with variations in type of restraints. The buckling load analysis is carried out theoretically (literature) and compared with eigenvalue buckling by Ansys R18.0. The buckling load generated by Ansys R18.0 will also be analyzed to obtain the effective length conversion factor (K) and then compare it with the K value got from the existing literature.The results showed both H and WF steel profile underwent failure by flexural buckling conditions, meanwhile the largest buckling load is 1.452,5729 kN of H 200x200x12x8 profile with fixed-fixed type of restraints, and the smallest buckling load was found 1,7639 kN of WF 100x50x7x5 profile with fixed-free type of restraints by the theoretical analysis. The effective length conversion factor (K) by using Ansys R18.0 was found 6% smaller than the existing literature. The buckling loads calculated by Ansys R18.0 was found 12% greater than the results of theoretical analysis

Pengaruh Perubahan Kadar Air pada Sifat-Sifat Tanah Organik yang distabilisasi dengan Limbah Karbit dan Abu Ampas Tebu John Tri HATMOKO; Luky HANDOKO
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

Research on organic soil stabilization utilizing materials such as cement, lime, rice husk ash, fly ash, bagasse ash to change soil shear behavior has been widely carried out to this date. However, not many researchers have studied the changes in water content in organic soils that have been stabilized with such materials, especially on the changes in soil physical properties. This study aims to find out the effect of changes in water content in physical properties including: volume weight (Î³), specific gravity (G), water content (w), void ratio (e), degree of acidity (pH) and content organic (O). A series of tests was conducted, namely the chemical composition of: organic soil test (TO), carbide waste (CCR), and bagasse ash (AAT), and testing for the physical properties of organic soil. Further, additional material (60% CCR and 40% AAT) was added to the soil in proportions: 5, 10, 15, 20, 25 and 30% combined with different initial water contents (498, 548 and 598%) and curing time: 7, 14, 21 and 36 days. Then, we conducted test for physical properties of the soil that has been stabilized. The physical and chemical properties of the soil change subject to added material content and ripening time. At high water content, the change is more significant than at lower water content. The volume weight, specific gravity, and acidity of the soil increases while the void ratio and soil organic content decrease. The optimal content of added material is 20% with an optimal time of curing 21 days

Hubungan Antara Pola Tutupan Lahan Terbangun Dan Laju Infiltrasi Air Hujan Krisantos R. BELA; Engelbertha N. BRIA SERAN; Mauritius I.R. NAIKOFI; Don Gaspar Noesaku DA COSTA
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 2 No 2 (2019): Volume 2 Nomor 2 Tahun 2019
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

Kupang City is an area in Indonesia which has a relatively low number of rainy days. This causes the supply of clean water or drinking water in Kupang City to decrease. The high infiltration rate not only increases the amount of water stored in the soil, but also reduces flooding and erosion caused by run off. This study aims to model the relationship between infiltration and discharge capability for each type of samples land by using linear regression method. For this reason, a water absorption test was conducted on the built up area based on the infiltration rate. The results of experiments and calculations using linear regression shown that area often received heavy load such as vehichles had lower infiltration rate leading to slow inundation height decrease. While areas rarely received heavy load had higher infiltration rate. Even though the difference is only around 2-3 cm / 5 minutes, it indicates that the availability of open areas is still needed to support the implementation of the zero run-off model in urban built areas

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Home Page

OAI Link

Editorial Team

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Contact Name Oloan Sitohang

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Location Kota medan, Sumatera utara INDONESIA

Abstract

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Contact Name
Oloan Sitohang

Contact Email
obed_sito@yahoo.com

Phone
+6281396358499

Journal Mail Official
-

Editorial Address
-

Location
Kota medan,

Sumatera utara

INDONESIA