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MUHAMMAD IKHSAN SETIAWAN
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NAROTAMA UNIVERSITY, Indonesia Jl. Arief Rachman Hakim 51, Sukolilo – Surabaya (60117) www.narotama.ac.id
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NEUTRON : Research from all areas of the Civil Engineering
Published by Universitas Narotama Surabaya
ISSN : 14120860     EISSN : 26853272     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
s an open-access journal publishing original research from across all areas of the Civil Engineering We offer our authors a highly respected home for their research. Partnering with our extensive network of expert peer reviewers, our editorial team provides rigorous, objective and constructive peer review, and will support you throughout the publication process. We led by the same ethical and editorial policy guidelines to ensure that all the research we publish is scientifically robust, original, and of the highest quality. We help your research reach more people and maximize its impact. As an open-access journal, we ensure that your work is immediately accessible and highly discoverable across a range of channels NEUTRON published twice in a year, January and July Focus and Scope NEUTRON publishes original research from all areas of the Civil Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 68 Documents
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Living Lab Concept for Sensor Based Energy Performance Assessment of Houses Farrukh Arif; Muhammad Wasay Uz Zaman; Rabia Khalid
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

All the social, economic and industrial development depends on the availability of energy. Since energy demand is increasing exponentially throughout the world, more and more CO2 is being emitted out into the atmosphere, giving rise to global warming. Therefore, establishing a sustainable environment is becoming increasingly important. It has been found through research that domestic sector contributes a great deal to the rising energy consumption. Due to prevailing energy crisis, efforts are being made to reduce the increasing energy consumption and make efficient use of energy by making the buildings energy efficient. For this, realistic assessment of energy use patterns in existing houses and buildings is necessary to assure dataset accuracy. Living lab concept integrated with sensor technologies can be used for assessment of such patterns. This paper presents living lab concept for sensor-based energy performance assessment of Houses. First, detailed literature review to benchmark concepts of energy efficiency of buildings, living labs concept, sensor based assessment, energy audit, and application of living lab concept has been discussed. Thereafter, sensors based living lab assessment and living lab approach has been introduced as being utilized by the author in a research project for development of guidelines for energy efficient housing. The paper also highlights important parameters to be monitored that effect energy performance. The concept reflects usefulness of living lab concept for sensor-based energy performance assessment of houses that help in substantial reduction in the energy consumption. As such data can be utilized for both realistic energy simulations by improving level of development of models as well as better usage comparisons with modeled analysis, hence helping in identifying true and effective improvement measures
Effect Of Leadership Style On Employee Performance Kifayat Ali Larik; Abdul Karim Lashari
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

In this study it comes under the observation that there is a big effect on employees through Leadership skills. These effective practices make stronger to organization and another aspect with this observation is to clearly justify the effect of styles in a different way like Democratic, autocratic, and participative style on employees for enhancing their performance. The main objective with great Guidance it was analyzed that obviously autocratic style has much effect on employee performance inside the organization. On other side the way of participative is quietly good for further efficiency raising up. This study is based on qualitative approach, whereas Secondary research is on prior behalf. The reason behind this study is to have further discussion widely on employees’ performance as the readers can get bunch of knowledge about it. In secondary research it will be added to putt data via reports general information magazines and general Journal. Making widely valuable to this article it came to know that there is greater impact of Leadership style on employees acts the roe of behavior and its performance. Democratic style is highly useful beneficial for employees at all times while the participation style is also beneficial for employee’s performance on a long-term duration Few further recommendations are under the discussion in this thesis.
Exploratory Analysis of Entrepreneurship Education in the Jamshoro Public Universities: A Descriptive Study Aasma Solangi; Adnan Pitafi
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The purpose of this study is to explore entrepreneurship education courses offered by public universities of the Jamshoro higher education institutions (HEIs). It examines the scope and the existing status of entrepreneurship in the Jamshoro public universities. Data were based on secondary data taken from official websites, prospectus, departmental reports and universities’ policy documents of the public universities of the Jamshoro Higher, included three public universities by examining their curricula and exploring the status of entrepreneurship of the selected sample from these universities. The results of this study indicated the public universities of the Jamshoro higher education city, just one core course on entrepreneurship was offered to some departments. Furthermore entrepreneurship programs were extremely rare. As a result, this research may encourage policymakers and universities to develop an effective and appropriate syllabus to fill the gap in existing curriculum of not only entrepreneurship but other courses as well.
Estimation of single crop co-efficient for wheat crop using spectral indices Syed Muhammad Saleh; Abdul Latif Qureshi; Irfan Ahmed Shaikh
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.163

Abstract

The majority of the time, real crop water requirements are determined by combining references evaporation with crop coefficients. The crop coefficient accounts for plant transpiration and soil evaporation. The Kc values calculated with the lysimeter setup are point valued with no spatial fluctuation. Remotely detected spectral indices were used to estimate the crop coefficient in both space and time. As a result, this research was carried out to show that crop coefficients may be estimated using satellite data. The corrected satellite data for the research region were obtained/downloaded from the USGS website for the winter growing season (November to March). A hand-held GPS device was used to acquire ground truth valued. Plant heights of randomly selected plants were measured at 15 days intervals at the same time. The downloaded satellite data yielded two spectral indices: the Normalized Difference Vegetation Index (NDVI), and Soil Adjusted Vegetation Index (SAVI).to build relationships between Kc values and spectral indices, basic linear and multiple linear regression approaches were used kc and NDVI had a great individual relationship (R2=0.92) and SAVI (R2=0.79) while the combined association of NDVI and SAVI (R2=0.94) was shown to be superior than each index’s standalone relationship. These relationships should be used to determine Kc values for wheat grown in dry areas with plenty of water.
Study of Agung Sleman Mosque Minaret Construction Design: Errors and Solutions Ala Ali Qasem Alraimi; Muhammad Ikhsan Setiawan; Adi Prawito
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.171

Abstract

This study helps to solve the problem at the minaret of Agung Mosque which costs about (Rp16.000.000.000), located in Yogyakarta city, Indonesia, Sleman street, where its high sixty seven meters from the ground and it consists of fifty floors, where analyze and prove the safety of the minaret dome, replace the dome, repair the fallen parts from middle floors, and calculate the total cost of replacing the dome and repairing fallen parts of the minaret. This study proved that the existing design reinforcement of the dome is totally safe, estimated the total cost of solving the minaret problems which (Rp2, 281,873,633.54). Where the total costs of replacing the dome were (Rp2, 073,135,813), the total costs of fixing the damaged “fallen” parts of the middle floors were (Rp1, 294,762.24), and the total of the unexpected costs were (Rp207, 443,057.59)
Analysis of Land Subsidence Using A Combination of Preloading and Prefabricated Vertical Drain Methods Rahayu Rahayu; Syafwandi Syafwandi; Aldo Wirastana Adinegara; Agyanata Tua Munth; Agung Sumarno
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.172

Abstract

Pertamina Balongan Indramayu's New Construction Jetty & Temporary Access Road Construction Project is the construction of a new jetty (silting prevention pier) located on a loamed land, which consists of dredging work on the area to be built by the jetty, protection of existing pipes, and erection of piles. In the implementation of the jetty construction, there are several reviews that need to be considered, such as soil elastic subsidence and soil consolidation subsidence. The method used for land subsidence is the Preloading method and is combined with the use of PVD to increase the time of decline. The results of this study found an elastic decrease using the Preloading method, a result of 0.7765 meters was obtained due to the presence of a stockpile load and an implementation load of 22.1312 kN/m2 on Elv. ± 1.00 m – STA. 0 + 025 m. Meanwhile, the decrease in consolidation (Sc + Ss) using the Preloading method, obtained a result of 4,949 meters due to the heap load and implementation load of 27,201 kN/m2 on Elv. ± 1.00 m – STA. 0 + 025 m and the length of time it takes to achieve the degree of consolidation of the plan (Uv = 90 %) using the Preloading method obtained results, which is 297 days. When the Preloading method is combined with using the Prefabricated Vertical Drain (PVD) method, the result of the length of time (t) needed to achieve the degree of consolidation of the plan (Uv = 90 %) is 158 days using a quadrilateral pattern installation PVD with a distance of 0.8 meters.
The Effect of Concrete Mixture on Usage Fly Ash and Chicken Egg Shell Powder as Cement Substitutions in Concrete Compressive Strength Farhan Fatahillah; Agung Sumarno
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.173

Abstract

The purpose of this study was to determine the effect of utilizing fly ash and chicken egg shell powder on the compressive strength of concrete, workability, density and water absorption. In this study, testing was carried out with the use of fly ash waste and chicken egg shell powder with variations of 15% fly ash waste and variations of chicken egg shell powder by 10% and 17.5% at the age of 3 days, 7 days, 14 days, and 28 days. for the test objects used measuring with a diameter of 10 cm and a height of 20 cm as many as 36 test samples by making variations of the day as many as 3 samples of test objects. Concrete with a mixture of 15% Fly Ash waste and 10% Egg Shell Powder in test sample 2 obtained a compressive strength at the age of 28 days of 29.45 Mpa. Variation of the Normal Concrete sample got a compressive strength at the age of 28 days of 30.37 MPa. Variation of test sample 3 got a compressive strength at the age of 28 days of 21.16 Mpa.
Experimental Study of Utilization Coconut Fiber as Additional Material and Slag as a Cement Substitution Against Compressive Strength and Split Tensile Strength of Concrete Adlan Rafli Pramudya; Agung Sumarno
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.174

Abstract

Development developments have an impact on the building materials industry sector. To reduce CO2 emissions due to soaring productivity of cement, the industry can use Ground Granulated Blast Furnace Slag (GGBFS) as a substitute for cement. This study aims to determine the effect of using GGBFS as a substitute for cement and coconut fiber as an additive on the workability, density, water absorption, compressive strength and split tensile strength of concrete at 3, 7, and 28 days. In this study using the experimental method with a total of 84 samples of cylindrical specimens with a size of 10cm x 20cm. This research was conducted with variations of GGBFS substitution of cement (0%, 35.5%, 43.5%) and coconut fiber as an additive (0.23%, 0.63%).The results of this study indicate that the optimum compressive strength test value at the age of 28 days is at GGBFS (35.5%) and coconut fiber (0.63%) reaches an average compressive strength of 32.32 Mpa. The SU1 variation (24.63 Mpa), SU2 variation (30.20 Mpa), SU3 variation (30.77 Mpa), SU5 variation (28.16 Mpa), SU6 variation (28.31 Mpa). Optimal splitting strength at the age of 28 days, namely the SU4 variation with GGBFS 35.5% and coconut fibers (0.63%) reached an average split tensile strength of 2.23 Mpa.
Analysis of Drainage System for Overcoming Floods on Untung Jawa Island, South Thousand Islands District, DKI Jakarta Yuda Dwi Yulian
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.175

Abstract

In general, drainage can be used to reduce excess water, whether from rainwater, seepage, or excess irrigation water from an area, so that the function of the area is not disturbed. This study aims to analyze and examine the drainage problems that exist on Untung Jawa Island, South Seribu Islands District, DKI Jakarta, the drainage channels are poorly maintained and frequent flooding. The data used in this study are primary and secondary data, in planning the calculation of flood discharge a 2-year return period is used. For the calculation of flood discharge, the plan uses a rational method and is added to household flood discharge, and the results will be compared with the existing condition of the drainage channel on Untung Jawa Island, South Thousand Islands District, DKI Jakarta. The results obtained that the largest design flood discharge is 3.277 m3/second on channel A8 and the smallest design flood discharge is 0.094 m3/second on channel C5. for the existing condition of the drainage channel, there are 11 channels that fall into the unsafe category because the condition of the existing channel capacity is less than the planned flood discharge, namely channels A2, A3, A4, A5, A6, A7, A8, A10, B2, B3 and B4. Infiltration wells are planned to accommodate the excess flood discharge, and it takes 19 infiltration wells on channel B4, 13 pieces on channel B3, 9 pieces on channel A8, 6 pieces on channel A2, A3, A6 and B2, 4 pieces on channel A7 , 2 pieces on channel A10, 1 piece on channel A4 and A5.
Control of Costs and Working Time of Road Improvement Kh. Syafi'i Suci Fitriyani
Neutron Vol 22 No 01 (2022): JULY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i01.176

Abstract

This study aims to analyze the optimum time and cost of completing the work after the acceleration of the duration of the KH Road Improvement Project. Syafi'i in Suci Village, Manyar District, Gresik Regency using the Microsfot Project. Acceleration analysis by adding working hours and considering the resulting critical path. This research is also to find out the project performance compared to the initial project plan in terms of cost and time, to find out the estimated final cost of the project needed after the acceleration of implementation.

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