Wicaksono, Teguh Mulyo
Jurusan Teknik Sipil, Politeknik Negeri Semarang

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Journal : BANGUN REKAPRIMA

ANALISIS POTENSI ADMIXTURE JENIS PLASTISIZER ALAMI SEBAGAI BAHAN TAMBAH BETON TIPE SELF COMPACTING CONCRETE (SCC): ANALISIS POTENSI ADMIXTURE JENIS PLASTISIZER ALAMI SEBAGAI BAHAN TAMBAH BETON TIPE SELF COMPACTING CONCRETE (SCC) Wicaksono, Teguh Mulyo; Mukhlisin, Muhammad; Fatmawati, Leily; Rahmawati, Roselina
Bangun Rekaprima Vol. 11 No. 1 (2025): April 2025
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v11i1.6550

Abstract

Self-compacting concrete (SCC) is a type of concrete that has the ability to flow and consolidate itself without the need for vibration. The addictive substance for self-compacting concrete uses chemical plasticizers produced by concrete chemical companies. The nature of the plasticizer material is usually liquid and thick which is used to thin the mixture and increase the workability of the concrete. The research began by creating a mix design including preparation of the need for natural additives. Testing the thinness of the concrete mix can be carried out using a flow test or fresh concrete spread test, where SCC meton meets the criteria if it gets a minimum spread test diameter of 50 cm. Some natural materials that are thick in nature include aloe vera sap, egg white, snail mucus and others. Tests using plasticizer fabricated products from Sika Viscocrete 3000 had the highest Flow values ​​for SCC concrete, followed by Sugar Solution, Allovera, Egg White and Snail Liquid. The results of successive cylindrical concrete compression tests produced average strengths ranging from Sika Viscocrete 23.6 Mpa, Allovera 14.23 Mpa, Snail 13.75 Mpa, Egg White 11.0 Mpa, and Sugar 3.1 Mpa. Fabricated plasticizers have very good results as additional materials for Self Compacting Concrete type concrete, while the natural material that still has potential in terms of flow is sugar solution, while in terms of compressive strength it is allovera.
ANALISIS KARAKTERISTIK PARKIR DI RUMAH SAKIT PANTI RAHAYU “YAKKUM” PURWODADI GROBOGAN: ANALISIS KARAKTERISTIK PARKIR DI RUMAH SAKIT PANTI RAHAYU “YAKKUM” PURWODADI GROBOGAN Mahardika, Vera; Setiawan, Dedi Budi; Pamungkas, Nur Setiaji; Wicaksono, Teguh Mulyo; Muldiyanto, Agus; Ardiansyah, Yogi; Yovanda, Dea Afa; Adhi, Dwi Respono
Bangun Rekaprima Vol. 11 No. 2 (2025): Oktober 2025
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v11i2.7268

Abstract

Panti Rahayu “Yakkum” Hospital Purwodadi has provided three parking spaces that are still within the hospital complex. In the parking area, it is currently unknown what the characteristics of parking and how much parking space is needed. This study aims to determine the characteristics of parking, capacity, and the need for existing parking spaces. The research method used is the observation method and literature study. This study was conducted for 3 days, namely Saturday, Sunday, and Monday, starting at 08.00 – 20.00 (12 hours) with a recorded time interval of 15 minutes. The results obtained were 602 vehicles for the highest parking volume for motorcycles and 156 vehicles for cars, the highest parking accumulation for motorcycles was 469 vehicles and 120 vehicles for cars, the parking index for cars was 122.45%, while for motorcycles it was 87.99%, the average duration of parking for motorcycles and passenger cars was 2.5 hours/vehicle and for parking turnover it had the same parking turnover rate between motorcycles and cars, The parking capacity for motorcycles is 1 vehicle, while for cars it is 3 vehicles. The total capacity for motorcycles is 533 SRP, while the capacity for cars is 49 SRP. However, when viewed from the highest incoming vehicle volume, the parking capacity is insufficient to meet the parking needs of patients, visitors and hospital employees. Researchers recommend that Panti Rahayu “Yakkum” Hospital Purwodadi add parking space or build a multi-story building parking lot.