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All Journal Jurnal Teknik Sipil Unika Soegijapranata : G-SMART (Geoteknik, Struktur, Manajemen Konstruksi, Sumber Daya Air, Transfortasi)
Rr.M.I Rretno Susilorini
Program Studi Teknik Sipil, Fakultas Teknik Universitas Katolik Soegijapranata, Semarang
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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Kuat Tekan dan Kuat Tarik Belah Beton Polimer Termodifikasi Alami Amylum serta Bahan Tambah Madu Febri Satrio Nugroho; Putra Bintang Rizalditya; Rr.M.I Rretno Susilorini; Budi Santosa
G-SMART Vol 1, No 2: Desember 2017
Publisher : Universitas Katolik Soegijapranata Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (586.758 KB) | DOI: 10.24167/gs.v1i2.1393

Abstract

The resesearch used amylum as a modified polymer and honey as its added ingredient. Therewere with 3 compositions with honey, 0%; 0.03%; and 0.3%, and also 6 amylum compositions,0.1%; 0.2%; 0.5%; 1%; 2%; and 5%. The number of specimens with 20 cm in length and 10cm were 270 that were tested for compressive strength, and the number of specimens with 30cm length and 15 cm in diameter were 90 that tested for splittingtensile strength. The resultsof this research met conslusions: (1). Optimum compressive strength achieved by specimenKT-M0,03-G with 0,03% honey and 0,5% amylum of cement weight; (2) Optimum splittingtensile strength achieved by specimen KTB-M0-A with 0,% honey and 0,10% amylum of cementweight;
Durabilitas Blok Beton Sandwich dengan Isian Styrofoam di Lingkungan Agresif Aditya Kenanga; M Rizky Darmawan; Rr.M.I Rretno Susilorini; David Widianto
G-SMART Vol 1, No 2: Desember 2017
Publisher : Universitas Katolik Soegijapranata Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (433.348 KB) | DOI: 10.24167/gs.v1i2.1401

Abstract

The research aimed to observe durability of sandwich concrete block with styrofoam inaggressive environment which was modeled by curing media. The curing media used in thisresearch are plain water, sea water, brakish water, and tidal flooding water. The curing wasconducted for 28 days and followed by compressive strength test. The result of this researchfound that maximum compressive strength was 1,76 MPa with tidal flooding water as curingmedia, followed by 1,67 MPa with brakish water as curing media, and also 1,64 MPa with seawater as as curing media, and the lowest compressive strength was 1,36 MPa with plain wateras as curing media.
Kinerja Susut Pada Blok Beton Sandwich Dengan Isian Styrofoam Natalia Desi Ratnawati; Irviana Dyah Permatasari; Rr.M.I Rretno Susilorini; David Widianto
G-SMART Vol 1, No 2: Desember 2017
Publisher : Universitas Katolik Soegijapranata Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.521 KB) | DOI: 10.24167/gs.v1i2.1259

Abstract

Shringkage is a volume change unrelated to the load, where the volume of concrete is reduceddue to reduced water content due to hydration or evaporation or evaporation. The objective ofthis research is to obtain the shrink parameter on sandwich block with Styrofoam stuffing inthe form of visual, damage, saturated and shrinkage in the medium of marine and freshwatersoak for 28 days and get the graph between time and depreciation. This research uses twoexperimental method that is by way of oven and not dioven in fresh water and marine waterimmersion media, each of which is submerged media in the form of 5 pieces of specimen length37 cm, width 15,5 cm, and thickness 7.5 cm which if in total amounted to 10 concrete blocks,the concrete block is tested in laboratory materials Soegijapranata Unika by using thecontainer as a medium of immersion media and the length of the sorong as a tool length, width,thickness of the block and the scale that has a precision of 0.1 for get the weight of the concretethen if it gets the result will result in the amount of shrinkage. The results obtained from theshrinkage will be concluded whether the sandwich panel with Styrofoam stuffing can be usedas a bearing wall.
Co-Authors Aditya Kenanga Budi Santosa David Widianto Febri Satrio Nugroho Irviana Dyah Permatasari M Rizky Darmawan Natalia Desi Ratnawati Putra Bintang Rizalditya