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All Journal International Conference on Coastal and Delta Areas E-Dimas: Jurnal Pengabdian kepada Masyarakat International Journal of Sustainable Building, Infrastructure and Environment
Ibnu Toto Husodo
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Social Sciences Other

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The Characteristic of Sandy Soil’s Shear Strength with Lime and Coal Fly Ash Mixture Ibnu Toto Husodo
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Sandy soil in solid conditions tends to have good characteristics. However, sand in the even and loose and water-saturated conditions has low shear strength when cyclic load occurs (such as earthquake). This paper presents the results of research on the improvement of sandy soil with a mixture of lime and coal fly ash. Two mixing techniques on the sandy soil were done in column (method A) and mixed (method B). Coal fly ash - lime mixture was done with a ratio of 1: 1 (in weight ratio). An unconsolidated undrained triaxial test was performed for both methods at the test of 1 day, 3 days, 7 days and 14 days. The size of the triaxial test specimen was diameter = 36 mm and height = 72 mm. For method A, the column was made as high as the test specimen with a diameter size of 12 mm. The shear strength value of unstable sand was 35.4 kPa. Overall, it can be concluded that stabilization techniques affect the shear strength of sandy soil. The soil improvement technique with method B gives a larger shear strength value than method A does. However, sand soil behavior with improved technique of method B is more brittle than method A. Keywords: strong shear, sand, coal, lime, triaxial
Ibm Kelurahan Siwalan Kecamatan Gayamsari Kota Semarang Ibnu Toto Husodo; Agung Kristiawan; Agustina Wardani; Baju Arie Wibawa; Putri Anggi Permata
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 7, No 1 (2016): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v7i1.1041

Abstract

Gapura bukan semata-mata bangunan fisik yang diartikan sebagai pintu gerbang, tanda batas kota, kabupaten, desa atau kampung. Menurut tradisi, gapura merupakan wujud ungkapan selamat datang yang familiar, semanak, welcome. ?é?áGapura?é?á mewakili?é?á keramahan ?é?ádan ?é?árasa ?é?áhormat?é?á tuan ?é?árumah ?é?ákepada setiap orang atau tamu yang datang.Umumnya gapura dibangun?é?á ?é?áuntuk memperingati Hari Kemerdekaan. Gapura telah menjadi simbol gotong royong, keakraban dan kebersamaan warga masyarakat. Yang menumbuhkan kerinduan setiap tahunnya khususnya menjelang peringatan Hari Kemerdekaan. Dengan ?é?ámembangun?é?á atau ?é?ámerenovasi ?é?ágapura,?é?á nilai-nilai ?é?ákebersamaan dan semangat gotong royong , diperbaharui dalam hati setiap warga. Kegiatan merenovasi, mengecat ulang, membuat atau membangun gapura menjadi lebih menarik ketika pihak-pihak swasta ikut terlibat dengan cara mengadakan lomba mempercantik gapura. Dalam rangka untuk menyambut hari Kemerdekaan ke-70, maka perlu diadakan perbaikan bando GAPURA di wilayah kelurahan Siwalan Kecamatan Gayamsari?é?á ?é?áKota Semarang. Oleh sebab itu kami selaku Akademisi dari Universitas PGRI Semarang melakukan kegiatan Tri Dharma Perguruan Tinggi dengan bentuk Pengabdian Masyarakat untuk program Perbaikan Bando Gapura di Jl. Plewan II Kelurahan Siwalan Kecamatan Gayamsari Kota Semarang, beserta masyarakat setempat sepakat melakukan kegiatan bersama guna merenovasi gapura. ?é?á Kata kunci : gapura , pintu gerbang gapura.
REWORK COST ANALYSIS ON COLUMN WORK IMPLEMENTATION METHODS “CASE STUDY: CONSTRUCTION PROJECT OF HOSPITAL ROEMANI MUHAMMADIYAH PARKING BUILDING SEMARANG” Muhamad Suep; Ibnu Toto Husodo; Putri Anggi Permata Suwandi; Agung Kristiawan
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 3, No 1 (2022)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

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Abstract

The word of construction is no stranger to rework. In the course of the implementation of construction, rework work may occur which can cause delays in the work process and swelling of the project cost budget. This can be influenced by several problems or factors that are often encountered during development work such as human resourse factors, documentation and disign, managerial with this can be from sevaral that have been mentioned that must be considered when planning construction development. In this study using descriptive research that directly takes data in the field by means of interviews, documentation, observation in order to be able to answer the research objectives properly and correctly according to the data obtained from the aforementioned data collection process. So that it can be seen the most frequently encountered rework jobs in the field. Based on the results of the study, it was shown that the dominant factor causing rework was managerial factor. The type of work that often experiences rework work is the finishing work of the second floor column casting. With the details of the causes of rework, the results obtained are design and documentation 22.5%, managerial 40.4%, and human resources 37.2%. The process of rework in the construction of the R S Roemani Semarang building can be concluded that there are several problems or identification of rework, namely porous columns, column slopes and column centring.
Co-Authors Agung Kristiawan AGUSTINA WARDANI BAJU ARIE WIBAWA Muhamad Suep Putri Anggi Permata Putri Anggi Permata Suwandi