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All Journal Semesta Teknika Halaqa : Islamic Education Journal
Zamri Chik, Zamri
Universiti Kebangsaan Malaysia
Religion Education Engineering

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Penentuan Modulus Geser Tanah Menggunakan Metode Analisis Multi-channel Gelombang Permukaan Ariestianty, Susy K; Taha, Mohd Raihan; Anuar, Khairul; Nayan, Mohd; Chik, Zamri
Jurnal Semesta Teknika Vol 12, No 2 (2009): NOVEMBER 2009
Publisher : Jurnal Semesta Teknika

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Abstract

Multi-channel Analysis of Surface Wave (MASW) is one of non-destructive seismic methods that can be used to obtain the soil dynamic parameters, such as the shear wave velocity (VS) and the shear modulus (G). Indirect measurement of soil dynamic parameters can also be estimated by the empirical correlations of VS/G and NSPT values obtained from Standard Penetration Test (SPT). However, borehole test is required for SPT, which is relatively high cost and also may disturb in surrounding environment of investigated sites. Therefore, MASW seismic method then can be performed as alternative options in avoiding these problems. In this study MASW method was used to obtain the VS and G profile at several selected sites in Peninsular of Malaysia, i.e., Universiti Kebangsaan Malaysia Bangi campus, Selangor and Sungai Temala, Terengganu. The Rayleigh wave propagations are recorded using 24 geophones of 4.5 Hz resonant frequency connected to the seismograph. Subsequently, the seismic data is processed and analyzed to generate the VS profile versus depth in one-dimensional (1-D) and two-dimensional (2-D) form. In general, the shear wave velocity from MASW method measurements show reasonable agreements compared to the VS values obtained from empirical correlation of NSPT value. A good relationship between shear modulus from this study compared to empirical correlations of NSPT value from previous researchers. Finally, MASW method can be nondestructively used for identifying and validating subsurface soil condition of the investigated sites.
Peranan Faktor Demografik Dalam Hubungan Antara Motivasi, Gaya Pembelajaran, Disiplin Pembelajaran dan Pencapaian Akademik Pelajar Chik, Zamri; Abdullah, Abdul Hakim; Muda, Habsah; Istikomah, Istikomah
Halaqa: Islamic Education Journal Vol 2 No 1 (2018): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/halaqa.v1i1.1612

Abstract

Demographic factors are factors that determine the relationship between motivation, learning style and learning discipline on the academic achievement of Islamic education. Indeed, this study was carried out to determine the relationship between the motivation, learning style and learning discipline to the academic achievement of Islamic education. A total of 260 fourth graders become study samples. The study shows that male genitalia have a modest impression (moderator) that is significant in the relationship between motivation and academic achievement, but female females are not and the conclusion that females have a full moderation in this relationship. Both jantina (male and female) do not have a significant moderating impression in the relationship between motivation and learning discipline and the conclusion that jantina does not have a simple moderation effect in this relationship. Furthermore, the two jantinas (male and female) have a significant moderating impression in the relationship between learning styles and academic achievement and the conclusion is that Jantina has a partial mediation in this relationship. Whenever, female marriage is a significant moderator in the relationship between the discipline of learning and academic achievement, but male sex is not and the conclusion that the female has a full moderation in this relationship.
Co-Authors Abdullah, Abdul Hakim Istikomah Istikomah Khairul Anuar, Khairul Mohd Nayan, Mohd Mohd Raihan Taha Muda, Habsah Susy K Ariestianty, Susy K