Journal Widya Mandala Catholic University Surabaya / Jurnal Universitas Katolik Widya Mandala Surabaya
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Materials and technologies for green concrete in sustainable smart construction
Get PDFThe field of sustainable construction has been looking for innovative solutions regarding the latest trends and developments for modern sustainable concrete, green construction and energy efficiency as solutions to resolve environmental issues. These developments adopt eco-friendly materials with the latest technology to minimizing environmental and industrial impacts. Conventional concrete faces several problems, such as environmental impact, cost overruns, and durability issues. To address these challenges, green concrete has been developed through various innovative compositions and formulations. As a solution, green concrete is developed with various compositions, such as the use of cement additives composition, permeable concrete, and low-temperature concrete, which utilize raw materials from the nearby environment as sustainable material and technology. The implementation of green concrete still meets several obstacles including enhanced production expenses, restricted material accessibility, and technical application and accessibility obstructions. This review paper will explain the specific characteristics of green concrete during in state of fresh, under setting conditions, and during resilience settings, as well as the present knowledge gap about green concrete. Further research is required to precisely evaluate the long-term characteristics, particularly the structure and shrinkage behavior of structural or reinforcement materials used in green concrete. In conclusion, green concrete demonstrates remarkable potential and substantial opportunities within the modern construction. This innovative material represents a paradigm shift in construction practices through its multifaceted benefits, the incorporation of environmentally conscious materials such as recycled aggregates, the optimization of resource utilization through precise mix designs and advanced manufacturing processes minimizes raw material consumption while increasing performance efficiency, and the resulting construction has strong mechanical properties, increased longevity, and improved resistance to environmental degradation
Enforcements Innovation of Shophouse Building to Sustain Resistance on High Risk Earthquakes Area
Get PDFIndonesia is one of the most seismically active regions in the world, with many of its cities located in high-risk earthquake zones. Malang, situated in East Java, lies in one of these critical seismic regions, making earthquake-resistant design and construction essential to safeguarding lives and minimizing property damage. This study explores an innovative approach to reinforcing shophouses in Malang, focusing on the use of shear reinforcement in the plastic hinge areas to improve seismic resistance. In particular, the research examines the application of high-strength shear reinforcement strategies as specified by the SNI 1727 : 2020 and SNI 2847 : 2019 standards. The SNI 1727 : 2020, and SNI 2847 : 2019 that all standards provides guidelines for structural requirements, both integral to ensuring safety and durability under seismic loads. This research will contribute to the development of safer construction methods for buildings in high-risk earthquake zones. and aims to support architects, engineers, and builders in meeting current seismic regulations while optimizing structural integrity and cost-efficiency. Obtained the value for 2nd floor plate reinforcements are left supporting reinforcements : ø 8 – 180, field reinforcements : ø 8 – 180, right supporting reinforcements : ø 8 – 250, shear reinforcements : ø 6 – 250, left supporting reinforcements : ø 8 – 180. Obtained the value for beam width (bw) = 200 mm, beam height (h) = 400 mm, concrete blanket (cb) = 40 mm, diameter of main reinforcement = 16 mm, diameter of stirrup reinforcement = 10 mm. Obtained the value for reinforcement installed : main reinforcement 6 ø - 12 mm and reinforcement installed : ø 10 - 150 mm stirrups. Built foot plate dimensions is 0.4 m X 0.3 m and X and Y direction bending reinforcement used reinforcement are D 13 – 200. Used X an Y direction shrinkage reinforcement spacing are 200 mm
EXPLORING THE CONTRIBUTION OF VIDEO GAMES TO ENGLISH VOCABULARY ACQUISITION AND RETENTION ACROSS VARIOUS GAME GENRES
Get PDFVocabulary is essential for language learners, particularly those studying English. Beyond formal institutions and structured settings, vocabulary can also be learned and acquired through video games. Incidental learning plays a significant role in this process, as it helps students retain and recall various words. Mastery of vocabulary also depends on students' preferences for video game genres, as these preferences influence their ability to retain vocabulary for longer periods through engaging and unique experiences. Each video game genre offers varying levels of vocabulary difficulty and frequency, contributing differently to the learning process. This study explores students' perceptions of using video games to enhance their English vocabulary. A descriptive research approach was employed to investigate the preferences of eleventh-grade students from a private high school. Data were collected through questionnaires and interviews. The findings reveal a positive correlation between video game engagement and improved vocabulary retention across various game genres. The majority of students highlighted those video games which featuring rich narrative interactions were particularly effective in helping them recall vocabulary more easily
ANALISIS PENGARUH MEDIASI BRAND SCHEMATICITY TERHADAP BRAND TRUST, BRAND AWARENESS, BRAND AMBASSADOR, DAN PURCHASE BEHAVIOUR : ANALISIS PENGARUH MEDIASI BRAND SCHEMATICITY TERHADAP BRAND TRUST, BRAND AWARENESS, BRAND AMBASSADOR, DAN PURCHASE BEHAVIOUR
No full textThis study is aimed to test the effect of Brand Trust, Brand Awareness, Brand Ambassador towards Z’s generation Purchase Behaviour on Skintific product, and mediation from Brand Schematicity on the effect of Brand Awareness toward Z’s generation Purchase Behaviour on Skintific product in Surabaya. The sampling technique used in this study is non-probability sampling along with purposive sampling. The qualified sample used in this study, following the specified criteria of respondents above the age between 13-26 years and respondents that have use Skintific product for 2 times in the past 3 months. The hypotheses test show that Brand Trust has a positive effect on Purchase Behavior with a T-statistic value of 2.630, Brand Awareness has a positive and significant effect with a value of 21.211 on Brand Schematicity, Brand Ambassador has a positive and significant effect with a value of 4.017 on Purchase Behavior, Brand Awareness has an effect positive and significant with a value of 9.234 for Brand Schematicity which is mediated by the Purchase Behavior variable. Skintific can provide a special highlight on the consistency of the quality of its products, as well as convey information about its products through segemented and targeted marketing, so that it can form distinstiveness of memorable brand positioning in consumers minds, as valuable brand among Generation Z’s unique behavior.
Penelitian ini bertujuan untuk menguji pengaruh Brand Trust, Brand Awareness, Brand Ambassador terhadap Purchase Behaviour generasi Z pada produk Skintific di Surabaya, serta pengaruh mediasi dari Brand Schematicity pada Brand Awareness terhadap Purchase Behaviour generasi Z pada produk Skintific di Surabaya. Teknik pengambilan sampel pada penelitian ini yaitu non-probability sampling dengan teknik purposive sampling. Sampel yang digunakan dalam penelitian ini berjumlah 150 responden. Dengan kriteria yang ditentukan yaitu responden dengan usia antara 13-26 tahun, responden berdomisili di Surabaya, dan responden yang pernah menggunakan produk Skintific sebanyak minimal 2 kali dalam 3 bulan terakhir. Hasil perhitungan dalam penelitian ini menunjukkan bahwa Brand Trust berpengaruh positif terhadap Purchase Behaviour dengan nilai T- statistik 2,630, Brand Awareness berpengaruh positif dan signifikan dengan nilai 21,211 terhadap Brand Schematicity, Brand Ambassador berpengaruh positif dan signifikan dengan nilai 4,017 terhadap Purchase Behaviour, Brand Awareness berpengaruh positif dan signifikan dengan nilai 9,234 terhadap Brand Schematicity yang dimediasi oleh variabel Ppurchase Behaviour. Saran dari peneliti yaitu Skintific dapat memberikan highlight khusus pada konsistensi kualitas produknya, serta penyampaian informasi mengenai produknya melalui pemasaram agar dapat membentuk positioning yang unik di benak konsumen
Megawati VS Jokowi di Pemilu 2024 (Analisis Semiotika Desain Sampul Majalah Tempo “Bara Dalam Sekam Jokowi-Mega”)
Get PDFSituasi politik di Indonesia menghangat di Pemilihan Umum 2024. Keputusan Mahkamah Konstitusi mengubah batas usia pendaftaran calon presiden dan wakil presiden pada 16 Oktober 2023. Hasilnya, Gibran Rakabuming Raka yang masih berusia di bawah 40 tahun berhasil mengikuti konstetasi Pemilu 2024, bersama Prabowo Subianto. Hal ini turut menimbulkan perbedaan pandangan politik antara Jokowi, Gibran, yang justru tidak mendukung Ganjar-Mahfud yang diusung oleh PDIP. Momen ini menjadikan media tidak putus mengulas dan melakukan kritik sosial sebagai salah satu tugasnya. Kondisi inipun terdokumentasi lewat ilustrasi dalam Majalah Tempo di desain sampul edisi “Bara Dalam Sekam Jokowi-Mega” yang sarat akan kritik sosial dalam bahasa visual. Menggunakan metode penelitian analisis semiotika Roland Barthez, yang menganalisis bagaimana makna denotatif, konotatif, hingga mitos di belakang sebuah objek, peneliti melihat Tempo menggambarkan Jokowi meninggalkan partai yang telah membesarkan langkah politiknya selama ini, PDIP Perjuangan. Momen ini punya banyak analisis pertimbangan, mulai dari ketidakcocokan dalam program pemerintahan, adanya pergesekan otoritas dan kekuasaan antara Jokowi dan Megawati, hingga momen Jokowi yang tidak ada menampilkan penolakan akan keikutsertaan anaknya menjadi bakal calon wakil presiden dari Prabowo Subianto. Hasilnya, efek ‘perpindahan’ kubu yang secara tidak langsung dilakukan oleh Jokowi, membuat Prabowo Subianto dan Gibran Rakabuming Raka sah menjadi Capres dan Cawapres terpilih yang ditetapkan oleh KPU. Desain majalah Tempo edisi ini menampilkan kritik media akan tindakan implisit penguasa akan naluri menggunakan aturan negara, untuk menjawab keinginan pribadi. Secara mendalam, kondisi ini mencerminkan feodalisme yang kental pada negara demokrasi
FIRM-SPECIFIC DETERMINANTS OF FIRM VALUE IN NON-CYCLICALS CONSUMER SECTOR COMPANIES
Get PDFResearch Purposes. This study aims to investigate the effect of profitability level, investment decision, and firm age on firm value.
Research Methods. The research method used quantitative method using secondary data sources, which is the annual report of consumer non-cyclicals sector registered in the Indonesia Stock Exchange (IDX) for 2020-2022. The data processed 125 companies and the sampling process was purposive sampling, so the sample obtained 65 companies with total of 195 data observation.
Research Results and Findings. This research provides evidence that profitability level, investment decision, and firm age affect firm value. This study has important value in helping companies develop effective business strategies amid economic uncertainty and provide insight for investors to make wiser investment decisions in this sector during the crisis
THE EFFECT OF DEBT CHOICE ON FIRM VALUE
Get PDFResearch Purposes. This study aims to examine the impact of the choice of bank debt and bond debt on firm value of infrastructure sector companies. This research is important because it makes a significant contribution to the academic literature and financial practitioners, as well as being a guide for managers in making corporate financial decisions.
Research Methods. Secondary data in this study were taken from 62 companies during the 2021-2022 period with total of 112 samples were tested using multiple linear regression analysis method.
Research Results and Findings. The results showed that the choice of debt has an effect on firm value. Specifically, companies that choose bond debt have a higher firm value than those that choose bank debt. This happens because higher transparency in bond debt contributes positively to firm value. Therefore, bond debt is more profitable for infrastructure sector companies
PENDAMPINGAN PENGELOLAAN KEBERLANJUTAN USAHA IBU-IBU PKK RW 03 KELURAHAN SEMOLOWARU KECAMATAN SUKOLILO SURABAYA
Get PDFThis Community Service Program is aimed at responding to curiosity and increasing strategic insight among business actors in developing and/or strengthening their businesses amidst the macro and micro business environment in 2024 which will increasingly experience many changes, which will have an impact on business resilience, competitiveness and sustainability. The community service scale targets 40-45 MSMEs under the auspices of RW 03, South Semolowaru Village, Sukolilo District, Surabaya. Initial survey results show that there are a number of problems that can weaken and put business competitiveness at risk of business sustainability. Ease of understanding for business actors is very important in this community service, so that illustrative lecture methods, questions and answers on business-related issues, representative case studies, and tutorials on the steps that need to be taken for each strategy are applied to provide a comprehensive/holistic understanding of the importance of business sustainability. Without a holistic solution, the solution to the problem is only situational, and does not solve the real problem which actually has a strategic effect. Business actors are expected to be able to easily implement strategies for developing business sustainability in terms of Business Mentality, Human Resource Management, Marketing Management and Financial Accounting
KAJIAN PEMANFAATAN ASAM ASKORBAT PADA ACTIVE PACKAGING UNTUK MEMPERPANJANG UMUR SIMPAN PANGAN BERLEMAK
Get PDFPangan baik yang belum diolah maupun yang sudah diolah mudah mengalami kerusakan apabila tidak disimpan dengan baik. Pengemasan merupakan salah satu cara yang efektif untuk menghambat kerusakan pangan dengan melindungi produk pangan dari kontaminan eksternal serta mencegah perubahan fisik, kimia, dan biologis selama penyimpanan. Salah satu jenis kemasan yang dapat memperpanjang umur simpan pangan adalah active packaging. Asam askorbat memiliki sifat antioksidan dengan menangkap dan menetralkan radikal bebas yang berperan dalam proses oksidasi dengan mendonorkan elektronnya sehingga dapat memutus reaksi oksidasi berantai. Penambahan asam askorbat pada active packaging dapat mencegah pangan, khususnya pangan berlemak, mengalami oksidasi sehingga dapat mencegah perubahan rasa, aroma, dan warna yang tidak diinginkan pada produk seperti rasa pahit, aroma tengik, dan warna produk yang menjadi lebih gelap serta dapat memperpanjang umur simpan pangan dalam kemasan. Salah satu contohaplikasinya adalah minyak biji bunga matahari yang dikemas dalam active packaging dengan penambahan asam askorbat memiliki umur simpan 12 hari lebih lama daripada kemasan biasa. Kata kunci: active packaging, asam askorbat, antioksida
Obat Tradisionil Diabetes dari Serangga Antlion
Get PDFPeople have used lion ant insects as traditional medicine in the treatment of type 2 diabetes mellitus. It takes definite and scientific steps to reveal this fact, this article discusses scientific evidence of compounds that can lower blood sugar levels. These substances are sulfonylureas and metformin. Lion ant larvae contain 62.90% sulfonylurea compounds and metformin with a concentration of 0.58 mg/g. Thus it can be concluded that lion ant larvae can be used as a source of drugs to lower blood sugar levelsAbstract—Masyarakat telah menggunakan serangga antlion sebagai obat tradisionil dalam penyembuhan penyakit diabetes militus type 2. Perlu dilakukan langkah pasti dan ilmiah dalam mengungkapkan fakta tersebut, dalam tulisan ini diulas tentang bukti ilmiah adanya senyawa atau zat pada antilon yang mampu menurukan kadar gula darah. Zat tesebut yaitu sulfonylurea dan metformin. Larva antlion mengandung golongan senyawa sulfonylurea sebesar 62,90% dan metformin dengan konsentrasi 0,58 mg/g. Dengan demikian dapat di simpukan bahwa larva antlion dapat dimanfaatan sebagai sumber daya alam , sebagai obat penurunan kadar gula dara