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All Journal Jurnal Teknik Sipil Unika Soegijapranata : G-SMART (Geoteknik, Struktur, Manajemen Konstruksi, Sumber Daya Air, Transfortasi)

Rr. M.I. Retno Susilorini

Program Studi Teknik Sipil, Fakultas Teknik Universitas Katolik Soegijapranata, Semarang

Author-ID : 3397038

Civil Engineering, Building, Construction & Architecture Engineering Transportation

Published : 3 Documents Claim Missing Document

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Articles

Efektivitas Uji Tidak Merusak Dan Uji Merusak Pada Dinding Bata Beton Hasil Perbaikan Dengan Additive Kimiawi Di Daerah Rawan Rob Ludfie Hardian Putra; Erik Kurniawan; Rr. M.I. Retno Susilorini; Budi Santosa
G-SMART Vol 2, No 1: Juni 2018
Publisher : Universitas Katolik Soegijapranata Semarang

This research was conducted by using non-destructive test method and destructive test to investigatethe compressive strength of repaired concrete masonry wall with chemical additive sited at Sriwulan Village which is tidal flooding prone area and PucangGading Village. Non-destructive test using Hammer Test was conducted at age 12 months, 13 months, and 14 months after concrete masonry wall being repaired.It was found that in Sriwulan Village, the highest compressive strength is 49.37 MPa at age 14 month whilethe highest compressive strength value is on the in PucangGading is 50,51 MPa at age 13 month. It was also found that destructive test using Core Drill Test was conducted at age 14 month after the masonry wall have been repaired. The highest compressive strength in Sriwulan village was 58,6 MPa and in PucangGading was 82,63 MPa.

Kinerja Rangkak pada Balok Beton Sandwich dengan Isian Styrofoam (Cement EPS Sandwich Panel) Rilo Hanif Hasbi Ardin; Yohanna Ariesta; Rr. M.I. Retno Susilorini; David Widianto Widianto
G-SMART Vol 1, No 2: Desember 2017
Publisher : Universitas Katolik Soegijapranata Semarang

Precast material is a user-friendly construction product. One innovation that is being developed is sandwich concrete. Sandwich concrete is composed by skin layers, that are strong and stiff, and lightweight concrete as core layer. As a part of builiding construction, each structural and non-structural element resists load in certain time. The purpose of this research is to investigate creep performance of concrete sandwich beam. By observing the effect of creep, it can be known the long-term effect due to the constant loading on a material. The test specimen is formed of sandwich construction beam, with its core layer consists of lightweight concrete and styrofoam (cement EPS sandwich panel) mixture. This research conducted with two kinds of size and proportions of specimen, single beam (length=100 cm; width=20 cm; thickness=7,5 cm)and double beam (length=100 cm; width=20 cm; thickness=7,5 cm)which is a combination of single beams glued together with Sikabond. The loading method that used in this research is third point loading as described on ASTM C393 in two positions, horizontally and vertically. After having loaded of 3 kN in 2 hours, each test specimen has deflected and gives creep strain value. The values of creep strain are: specimen RH-S01 by 3,23%, specimen RV-S03 by 0,40%, specimen RH-D03 by 0,60%, dan specimen RV-D02 by 0,32%.The smallest value of creep strain obtained by double beam that was tested vertically, due to have greater EI value than the horizontally tested specimens. According to the maximum deflection and load that can be resisted by the specimens, sandwich concrete shall not be recommended for structural beam. This research shows that the creep effect of constant loading by 3 kN for 2 hours on sandwich concrete beam is not secure

Durabilitas Mortar Polimer Termodifikasi Alami dengan Amylum dan Bahan Tambah Madu Nanda Isdian Prasetyo; Gerald Arsa Adhiyaksa Abiyoga; Rr. M.I. Retno Susilorini; Budi Santosa
G-SMART Vol 2, No 1: Juni 2018
Publisher : Universitas Katolik Soegijapranata Semarang

The research aimed to investigate the durability of natural modified polymer mortar with amylum and honey admixture of aggressive environment that was modeled by 3 curing media, sea water, brakish water, and tidal flooding water. There were 855 specimens of mortar cubes with addition of amylum of 0,1%, 0,2%, 1%, 2%, and 5% and also honey of 0%, 0,03%, and 0,03%. All specimenswere cured and distributed into 3 curing medias for 7, 14, and 28 days. The result of this research met conclusion that optimum compressive strength was achieved by specimen with composition 0,1% amylum and 0,03% honey that was cured by sea water.

Co-Authors Budi Santosa David Widianto Widianto Erik Kurniawan Gerald Arsa Adhiyaksa Abiyoga Ludfie Hardian Putra Nanda Isdian Prasetyo Rilo Hanif Hasbi Ardin Yohanna Ariesta

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