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PENGARUH PENAMBAHAN SILICA FUME PADA POROUS CONCRETE BLOCK TERHADAP NILAI KUAT TEKAN DAN PERMEABILITAS FEBRIANTO, EKO
Rekayasa Teknik Sipil Vol 3, No 3/REKAT/16 (2016): Wisuda ke-87 Periode 3 Tahun 2016
Publisher : Rekayasa Teknik Sipil

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Abstract

Berkurangnya lahan hijau menyebabkan permasalahan lingkungan akibat dari pembangunan yang semakin berkembang pesat.. Banyak lahan yang dulunya berfungsi sebagai penyerap air, saat ini tertutup oleh gedung-gedung dan perkerasan jalan. Paving block adalah salah satu alternatif yang umumnya digunakan, namun masih memiliki kemampuan yang rendah dalam meresapkan air limpasan ke tanah. Oleh karena itu dibuat alternatif lain dengan menggunakan porous concrete block sebagai solusi dalam pengelolaan air. Tujuan penelitian ini adalah untuk mengetahui pengaruh penambahan silica fume terhadap kuat tekan, permeabilitas dan komposisi yang optimal pada porous concrete block. Penelitian ini bersifat uji laboratorium, artinya dalam setiap tahapan penelitian ini akan dilakukan di laboratorium yang mendukung dalam penelitian ini. Benda uji yang digunakan dalam penelitian ini adalah paving block dengan panjang 21 cm, lebar 10,5 cm, dan tebal 8cm. Sedangkan untuk mengetahui analisa kecepatan penyerapan air digunakan benda uji silinder dengan diameter 15 cm, dan tinggi 30 cm. Komposisi silica fume yang digunakan 10%, 20%, 30%, 40%, dan 50% dari berat semen. Faktor air semen yang digunakan penelitian ini adalah 0,3. Parameter yang diujikan adalah kuat tekan dan permeabilitas. Dari pengujian porous concrete block didapatkan komposisi optimum dengan menggunakan silica fume 10%. Dimana diperoleh kuat tekan sebesar 20,40 MPa. Sedangkan untuk nilai perneabilitasnya diperoleh nilai porositas sebesar 15,50 %, analisa kecepatan penyerapan air sebesar 0,29 cm/det, dan persentase lolos airnya sebesar 80,33 %. Dari hasil penelitian ini diperoleh porous concrete block dengan spesifikasi tertinggi untuk area parkir, dimana kuat tekan minimum yang disyaratkan adalah 17 MPa. Kata kunci : porous concrete block , silica fume, kuat tekan, permeabilitas.           The lessening of green area cause environmental problems as a result of the development is growing rapidly. Lands that used to serve as a water absorbent, currently covered by buildings and pavement. Paving block is one alternative that is commonly used, but still have a poor ability to absorb water runoff into the ground. Therefore, another alternative is made by using porous concrete block as a solution in water management. The purpose of this study was to determine the effect of silica fume on compressive strength, permeability and optimal composition of the porous concrete block. This study is a laboratory test, meaning that in each phase of this study will be carried out in laboratories that support this research. Specimens used in this study is paving block with a length of 21 cm, width 10,5 cm, and 8cm thick. As for knowing the speed of water absorption analyzer is used specimen cylinder with a diameter of 15 cm, and 30 cm high. The composition of silica fume used 10%, 20%, 30%, 40%, and 50% by weight of cement. Cement water factor used this study was 0,3. The parameters tested are the compressive strength and permeability. Testing of porous concrete block optimum composition obtained by using silica fume 10%. Where obtained compressive strength of 20,40 MPa. As for the value perneabilitasnya porosity values obtained 15,50%, the analysis of the water absorption speed of 0,29 cm / sec, and the percentage of the water escapes by 80,33%. From these results obtained porous concrete block with the highest specifications for the parking area, where the required minimum compressive strength is 17 MPa. Keywords : porous concrete block , silica fume, compressive strength, permeability.
STRATEGI PROMOSI PERUMAHAN JAYA IMPERIAL PARK TANGERANG UNTUK MENARIK KONSUMEN BARU Febrianto, Eko
DIALEKTIKA KOMUNIKA: Jurnal Kajian Komunikasi dan Pembangunan Daerah Vol. 11 No. 1 (2023): DIALEKTIKA KOMUNIKA: Jurnal Kajian Komunikasi dan Pembangunan Daerah
Publisher : Universitas Islam Syekh Yusuf

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35592/dk.v11i1.3331

Abstract

This research examines the promotion strategy applied by PT Jaya Garden Polis in marketing Jaya Imperial Park housing to the public. Researcher is interested to raise the theme of this research because PT Jaya Garden Polis with its products Jaya Imperial Park which is a new product in the midst of competition in Regency area can survive in the marketing of housing products among property developers. It demonstrated by the intense promotion competition carried out by the developers through the use of various media campaigns both intensively and extensively and Jaya Imperial Park is present again as an existing market share. The promotional strategies undertaken by Jaya Imperial Park are by Advertising, Sales Promotion, and Mouth to the Mouth to introduce, market and attract new customers. The purpose of this study is to find out the promotional strategies used Jaya Imperial Park housing to attract new consumers and to find out what media are used in promoting it. This study uses qualitative research methods that describe how promotional strategies and media campaigns which have been used by Jaya Imperial Park. Where the data collection stage using primary data through interviews and observation, then secondary data through intermediary media in the form of archives, documents, and photos from Jaya Imperial Park. The results of this study reveal that the promotional strategy which was run is to use the elements of promotion mix through Advertising, Sales Promotion, and Mouth to the Mouth by carrying out events that play a role in introducing, marketing, and attract new customers to be inhabited in housing Jaya Imperial Park.
PENGAWASAN DINAS PERHUBUNGAN PROVINSI RIAU DALAM MENGATASI KENDARAAN YANG OVER DIMENSION OVER LOADING TAHUN 2021 Febrianto, Eko; ', Isril
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol. 10: Edisi II Juli - Desember 2023
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

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Abstract

n this law, it is explained that road traffic and transportation have a strategic role in supporting national development and integration as part of efforts to advance general welfare as mandated by the 1945 Constitution of the Republic of Indonesia. Supervision according to Sastrohadiwirjo (2012) is a process in a series activities to ensure that a job can be carried out well with the plan that has been implemented and the stages that must be passed. This research was carried out at the Riau Province Transportation Service in the Road Traffic sector. The aim of this research is to determine the supervision of the Riau Province Transportation Service in dealing with vehicles that are Over Dimension Over Loading. The type of research used is descriptive qualitative. Qualitative research is a research method that directly describes phenomena that occur in the research object. The data obtained from this research is by interviews, observation and documentation. The research results show that it can be concluded that the implementation of Over Dimension Over Loading monitoring is already underway, but cannot be said to be optimal. The inhibiting factors in the implementation of Over Dimension Over Loading supervision by the Riau Provincial Transportation Service are the limited human resources involved directly in the field, the monitoring budget is insufficient, there are no goods transport rates so there are still many violations and the lack of good coordination between the Provincial Transportation Department Riau with the police and related agencies. Keywords: Supervision, Over Dimension, Over Loading
Pengaruh Kompetensi dan Motivasi Arsiparis Terhadap Archival Organization Agility pada Perguruan Tinggi Negeri Badan Hukum Universitas Negeri Semarang Febrianto, Eko; Kuswantoro, Agung; H., Rina Lilla; S., Andika R.
Khazanah: Jurnal Pengembangan Kearsipan Vol 17, No 2 (2024): November 2024
Publisher : Perpustakaan dan Arsip Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/khazanah.93341

Abstract

All organizations face a competitive, rapidly changing and complex environment, and archival organizations are no different. The strategy that is often implemented by organizations or institutions is agile or nimble organizations or often called archival organization agility. In archival organization agility there are at least two influencing factors, namely competence and motivation. The aim of this research is to determine the influence of competence and motivation on archival organization agility. The scope of this research is the archival organization at Semarang State University with archivists as the research object. This research method uses a quantitative descriptive analysis method of causality with regression analysis. The results of the research concluded that: (1) The competence of archivists at the State University of Legal Entity, Semarang State University has a positive and significant influence on archival organization agility by 97%; (2) The motivation of archivists at the State University of Legal Entity, Semarang State University has a positive and significant influence on archival organization agility by 97%; (3) The competence and motivation of archivists at the State University of Legal Entity, Semarang State University positively and significantly influences archival organization agility by 98%.