Muchammad Zaenal Muttaqin
@uir.ac.id
Civil Engineering
Universitas Islam RIau
EDUCATION
Bachelor = Universitas Gadjah Mada
Master = Universitas Gadjah Mada and Karlstad University
RESEARCH INTERESTS
Transportation, Pedestrian, Public Transport, Bus, City Planning Transport
FUTURE PROJECTS
Arranging Pedestrian Manual in Indonesia
Applications Invited
Collaborator
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
Scopus Publications
D Hastuti, T B Aulia, and M Muttaqin
IOP Publishing
High-strength concrete is formed with a low water-cement ratio value, so it requires large amounts of cement, aggregate, and additives (silica fume) and admixture superplasticizer. Therefore it is necessary to do further research on the use of additional substitute materials. This study aims to analyze the flexural capacity of high-strength hybrid concrete beams using materials from Charcoal combustion fly ash, palm, pozzolanic sand, and hematite nanomaterials as additives and aggregate substitutions. In this study, 7 beams measuring 15 x 30 x 220 cm were tested for each additive variation and aggregate substitution of one specimen and one normal beam specimen. The test object is designed to experience flexural failure. The results showed that all beams failed flexibly as planned. The highest flexural capacity in reinforced concrete beams with additive variation of Charcoal fly ash and substitution of palm shell fine aggregate (BBMTHBB - KCS) is 257.707 KN or 14.217% higher than reinforced concrete beams without additive and substitution variations (BBMTH Normal) with a value of flexural capacity of 225.628 KN. It can be concluded that additive variation and aggregate substitution can increase the value of flexural and deflection capacity but are unable to add ductility values to high-strength hybrid concrete.
Muchammad Zaenal Muttaqin and Abdul Kudus Zaini
EDP Sciences
Characteristic of public transport service in a city could be different one and another because of passenger itself. Passengers with their experience explained more about service from bus. This research has aim to know service performance from Trans Metro Pekanbaru (TMP) based from customer perspective. Factor Analysis and Gap analysis used to know dominating parameter that represent it. The result showed students and employees (77.96 %) dominated for passenger group using Trans Metro Pekanbaru. All of customer perception could divide by three group among other psychological factor, primary needs service, and transit place factor. Psychological factor became highest opportunity to represent positive value of Trans Metro performance with level of service reach until 97.23 % compared by its expectation. On the other side, transit place factor was only has 81.5 % performance, thus it became primary focus for TMP to improve their performance to better service quality in the future.