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Mitra Musika Lubis
Universitas Medan Area
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IMPROVEMENT OF SOIL BEARING CAPACITY BASED ON MODERATE VOLUME USING RICE HUSK ASH Tika Ermita Wulandari; Mitra Musika Lubis; Hermansyah
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 2 No. 11 (2023): OCTOBER
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijset.v2i11.285

Abstract

Good soil is soil that has good stability and load-bearing capacity for any construction built on it. However, the existing soil conditions may not possess sufficient load-bearing capacity, necessitating a method to improve it. For instance, in North Sumatra, the soil is relatively soft and predominantly used for agriculture. Rice husk ash is a byproduct of rice farming and exhibits pozzolanic properties, making it a potential alternative for enhancing soil load-bearing capacity. Typically, soft soil is fine-grained, has high moisture content, high saturation, high porosity, high initial pore pressure, low shear strength, and significant potential for settlement under increasing effective stress. This research aims to improve soil load-bearing capacity by using rice husk ash with varying mixtures of 0%, 4%, 8%, 12%, 16%, and 20%. Soil samples were collected in the Lubuk Pakam area of North Sumatra. Testing included soil physical properties, such as soil index properties, and soil mechanics tests conducted in the soil mechanics laboratory at the University of Santo Thomas, Medan.Based on the tests, the soil was categorized as organic soil, highly cohesive, and had high plasticity. According to the USCS classification, it falls into the fine-grained or organic soil category with the symbol PT. The CBR values after 7 days of curing with various lime additions of 0%, 4%, 8%, 12%, 16%, and 20% were found to be 0.98, 1.18, 2.00, 4.80, 13.00, and 18.80, respectively. Therefore, it can be concluded that the higher the proportion of rice husk ash in the mixture, the higher the CBR value. This can potentially enhance farmers' income through rice husk sales.
THE INFLUENCE OF SOCIAL ACCESS AND ACCESS TO PUBLIC FACILITIES CHANGES IN CONSUMPTION PATTERNS Mitra Musika Lubis; Darma Bakti; Rahmanta; Sri Fajar Ayu
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 2 No. 1 (2022): DECEMBER
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijset.v2i1.135

Abstract

The vast territory of Indonesia makes Indonesia rich in various foods. However, the irony is that the distribution of staple foods such as rice does not fully reach remote areas in Indonesia. This resulted in rice prices soaring and difficult to obtain. People don't care and try to switch to rice substitute foods such as bread, noodles, corn and other foods. This study aims to determine what factors influence the change in food habits from rice to non-rice. The research was conducted in Tanjung Pasir Village, Sei Merah Village, Lubuk Kertang Village, which is in Pangkalan Susu District, Langkat Regency, North Sumatra. The research model used is a descriptive quantitative research model. The data analysis used was Stuctural Equation Modeling (SEM) analysis assisted by AMOS 20.0 software. The data collection instrument used was a questionnaire instrument. The results of this study indicate that the factors of social access and public facilities influence changes in people's consumption patterns towards non-rice foods. The conclusion is that people in this area are experiencing diversification, changing consumption patterns to non-rice foods. The community prefers to look for food, especially for breakfast, to the stalls to look for non-rice foods such as bread, instant noodles, some corn and cassava. The reasons are: 1) The education factor can change people's food habits because it has an impact on the difficulty of getting a decent job, the quality of life is below standard, one of which is the difficulty to get rice; 2) The location of the market which is far away and difficult to access has resulted in soaring rice prices and this is one of the problems with public facilities; 3) The natural condition of the coast which lacks the availability of clean water and also poor sanitation makes it difficult for housewives to cook food at home.
Co-Authors A. Asrijal Abd. Rasyid Syamsuri Abdul Fajar Haras Abdul Rahman Afriamah Afriamah AHMAD RAFIQI TANTAWI Ahmad Sutan Nauli Lubis Al-Taani, Fadi Asmah Indrawati Bigner Dolok Saribu Chai, Napat CNAWP, Rizal Perlambang Damanik, Desy Wulan Sary Darma Bakti Denpharanto Agung Krisprimandoyo Dewa Oka Suparwata Diah Retno Dwi Hastuti Dicky Oloan Manullang Doddy Ismunandar Bahari Effendi, Ihsan Eka Apriyanti Endang Sari Simanullang Etty Sri Hertini Fachry Abda El Rahman Fastabiqul Khairad Fatma Sarie Fatmawaty Fatmawaty Fitra Aristia Fahmi Lubis Foeza Hafiz Frans Sudirjo Frans Sudirjo Gunawan, Untung Gustami Harahap Haras, Abdul Fajar Haryono Haryono Haryono Haryono Hasnudi Hasnudi Hasnudi, Hasnudi Hermansyah Hertini, Etty Sri Intes, Amina Judijanto, Loso Junaidi, Koko Khairul Saleh Kuswardani, Retna Astusi Kuswarini Sulandjari Loso Judijanto Luluk Yuliati Mardiyah Siregar Mayang Kurniawan Muhammad Chalidin Muhammad Deaprama Aydra Muhammad Fadly Abdina Muhammad Iqbal Muhammad JufriansyahMuhammad Jufriansyah Muhammad Qori Husein Muhammad Rispan Affandi Muhammad Syaiful Muhammad Usman Nia Aldina Lubis Ninik Sri Rahayu, Ninik Sri Novia Ardila Siregar Nurwijayanti Panggabean, Ellen L Philip Yudha Gabriel Prayoga, Ryan Priyana, Yana Purba, Wicky Wanansih Putra Lukmana Yunus Hasibuan Putri Helena Panjaitan Putri, Elvina Triana Rahma Sari Siregar Rahmaddin Sahputra Rahmanta Ramadani, Riski Ramlan, Winarto Retna Astuti Kuswardani Retno Astuti Rika Fitri Ilvira, Rika Fitri Rinaldi Simamora Ririn Anggreni Pulungan Riska Aprilia Rizal Aziz Rizal Aziz, Rizal Sahputra, Rahmaddin Sarie, Fatma Sarim Sarim Sartika Sartika Silvia Loren Sidauruk Siti Mardiana Siti Sabrina Salqaura Slamet Riyadi, Slamet Riyadi Sri Ariani Safitri Sri Fajar Ayu Sri Leli Sitorus Stefanus Lugu Suci Wulandari Sulandjari, Kuswarini Syahfitri, Alfi Tika Ermita Wulandari Timura, Rezi Ardafi Maulana Utami, Cahyaning Rini Winarto Ramlan Yana Priyana Yogi Indra Pramana Yonny Koentjoro Yoshua Putra Pratama Silalahi Yuni Zanesty Hutapea Yusniar Lubis Zainal Abidin Zainal Abidin