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G - SMART
Jurnal G - SMART : Jurnal Teknik Sipil Unika Soegijapranata yang meliputi Geoteknik, Struktur, Manajemen Konstruksi, Sumber Daya Air dan Transportasi.
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17
Articles
Perencanaan Struktur Gedung Fakultas Teknik Universitas Moren Jalan Kranggan Semarang

Sutanto, Reinard, Wihartono, Willya Moren, Widanto, David, Setiyadi, Budi

G - SMART Vol 2, No 1 (2018)
Publisher : G - SMART

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Abstract

The construction of engineering faculty at the university of moren can be may be able to meet terms of education facilities.Building of engineering faculty university of moren is school buildings, so that including buildings class viii.The building has six floors of with total building area of 11.664 m2.The roof of the building planned use of concrete plate.The shear wall planned in central structure of the floor ground until the floor 5 to hold earthquake force direction x of 7609 kg.m and direction y of 6879 kg.mA structure for the faculty engineering university moren use 03-1726-2012 sni , SNI T-15-1991-03 , sni 2847-2013 , SNI03-1965-1990, and SNI 07-2529-1991.Planning the structure down include the stake , tiebeam , pilecap .While stuktur upper covering concrete plate  , floor plates , stairs, beam , column , and shearwall .In counting the moments and reaction on buildings it uses 2000 v.14 sofware sapThe results of result in planning the plate with thick 20 cm to floor ground and 12 cm pelat 1 until 5 to the floor and the roof .Design planning a beam B1 = 450 x 700, B2 = 350 x 500 , B3 =350 x 600, B4 = 300 x 450.Design planning a column K1 = 800 x 800.Design planning foundation piles 50 cm in the depth 18 meters

Efektivitas Uji Tidak Merusak Dan Uji Merusak Pada Dinding Bata Beton Hasil Perbaikan Dengan Additive Kimiawi Di Daerah Rawan Rob

Putra, Ludfie Hardian, Kurniawan, Erik, Susilorini, Rr. M.I. Retno, Santosa, Budi

G - SMART Vol 2, No 1 (2018)
Publisher : G - SMART

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Abstract

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.

Pengaruh Matos terhadap Peningkatan CBR (California Bearing Ratio)dan Sifat Kedap Airpada Tanah Sekitar Rawa Pening

Saputra, Erwin Harris, Deckcrealy, Lie Sanders, Suwarno, Djoko, Setiyadi, Budi

G - SMART Vol 2, No 1 (2018)
Publisher : G - SMART

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Abstract

Rawa Pening soil contains peat has low level of California Bearing Ratio (CBR) and high permeability so it is less suitable for embankment. Above the embankment functioned as a road body. This study adds cement and matos (normal) to increase soil bearing capacity. (50%), 50% G 50% Cement (C) 8%, TSRP 50% + G 50% + C 8% + Matos (M) 2%, 4% and 6%. CBR soaked, normal results obtained CBR 2.99% while the CBR requirement of 5.44%. Addition of C 8% adds CBR value to 9,25%, while addition of M 2% increase CBR value equal to 8,9%, M 4% yield CBR become 16% and M 6% get CBR equal to 16%. Low compaction, normal soil undergoes seepage after a day, compaction is undergone seepage after 3 days and standard compaction does not undergo seepage for 7 days. The most optimal result, with stabilization of C 8% and M 4%. Addition of M 2% is not effective or equal to 8% cement. The addition of M 6% equals M 4%.

Perencanaan Proyek Pembangunan Office Centre Anfen Jalan Pringgading – Semarang

Andre, Andre, Sambuhak, Stefen, Widanto, David, Suseno, Widija

G - SMART Vol 2, No 1 (2018)
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Abstract

AnFen Office Center building is used for office rentals, expected to be a place of business opportunity. The AnFen Office Center building includes office buildings that are used for professional business, administrative or commercial operations. This building has 5 floors with an area of ± 2023,44 m2. The roof of the building is planned using a concrete plate. The shear wall is planned to use the type of l frame wall from the ground floor to the 5th floor which aims to withstand the lateral force caused by the earthquake.Calculation of structures in AnFen Office Center building using SNI 03-1726-2012 for earthquake resistant building count and SNI 03-2847-2002 for construction calculation. Lower structure planning includes pile foundation, pile cap, tie beam, while the top structure includes floor plate, column, beam, roof plate, ladder and shear wall. In the calculation of moments and reactions that work on this building using software SAP 2000 Version 17.2.0.The result of design calculation of floor plate plate with thickness of 20 cm for ground floor plate and 12 cm for floor plate plate 1-5 up to roof plate. Design of beam design with dimensions B1 = 450 × 700, B2 = 300×550. Design planning column with design K1 = 800 x 800. Design planning pile foundation diameter 60 cm at a depth of 12 m.

Pengaruh Penggunaan Zat Admixture “X” Terhadap Peningkatan Kuat Tekan Beton (Studi Kasus “Pasir Cepu dan Kerikil Rembang”)

ramadhan, bryan ramadhan, Perdanawati, Yunita, Widanto, David, Setiyadi, Budi

G - SMART Vol 2, No 1 (2018)
Publisher : G - SMART

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Abstract

This research uses Cepu sand fine aggregate as the main material of making of concrete. Cepu sand has high mud and calcium content compared to Muntilan sand.In order for Cepu sand to be used as a concrete material, it is necessary to add an integral waterproofing admixture with plasticizer content to help the aggregate density. This study, varied admixture with 0%, 50%, 100%, 150%, 200% (20ml per 1kg cement) composition. All test objects totaling 80 pieces are used for compressive strength testing with the size of 15 × 15 × 15 cm test specimens.The result of laboratory test showed that Cepu sand concrete without addition of admixture with 14 days drying was found to be the average of compressive strength of 290 kg / cm2, while the highest was obtained by addition of 100% integral waterproofing admixture with an average value of 392 kg / cm2. While on 28 days drying, the average compressive strength value is 352 kg / cm2 without using integral waterproofing admixture, while the highest is obtained with addition of 100% integral waterproofing admixture with average value of 509 kg / cm2. With additional admixture the Cepu sand has increased the compressive strength higher than Muntilan sand concrete.

Durabilitas Mortar Polimer Termodifikasi Alami dengan Amylum dan Bahan Tambah Madu

Prasetyo, Nanda Isdian, Abiyoga, Gerald Arsa Adhiyaksa, Susilorini, Rr. M.I. Retno, Santosa, Budi

G - SMART Vol 2, No 1 (2018)
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Abstract

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.

Kinerja Jangka Panjang Kolom Hasil Perbaikan Dengan Bahan Tambah Bonding Adhesive Agent

Deniswara, Cindy, Ratomesang, Richardo Pelipus Boru, Susilorini, Rr.M.I. Retno, Santosa, Budi

G - SMART Vol 1, No 2 (2017)
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Abstract

The research was conducted to investigate the performance of old repaired columns inSriwulan Village (Sayung) and Pucang Gading. The performance of 3 columns wasinvestigated by non destructive test and destructive test at age of repaired columns at 12, 13,and 14 months. Non destructive test conducted by Hammer Test while destructive testconducted by Core Drill Test. The results of research has shown that from Hammer Test,highest compressive strength at age 14 months was 45,65 MPa. For Core Drill Test results,the highest compressive strength 73,62 MPa found in Pucang Gading at column 1 at zone A byage 14 months while the lowest at same site and column at zone C 14,22 MPa

Kinerja Rangkak pada Balok Beton Sandwich dengan Isian Styrofoam (Cement EPS Sandwich Panel)

Ardin, Rilo Hanif Hasbi, Ariesta, Yohanna, Susilorini, Rr. M.I. Retno, Widianto, David Widianto

G - SMART Vol 1, No 2 (2017)
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Abstract

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

Kuat Tekan dan Kuat Tarik Belah Beton Polimer Termodifikasi Alami Amylum serta Bahan Tambah Madu

Nugroho, Febri Satrio, Rizalditya, Putra Bintang, Susilorini, Rr.M.I Rretno, Santosa, Budi

G - SMART Vol 1, No 2 (2017)
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Abstract

Penelitian ini menggunakan amylum sebagai polimer termodifikasi dan madu sebagai bahan tambahnya, dengan madu memiliki 3 kompoisi yaitu, 0 %; 0,03 %; dan 0,3%, serta di setiap komposisi madu terdapat 6 kompoisisi amylum yaitu, 0,1 %; 0,2 %; 0,5 %; 1 %; 2 %; dan 5 %. Jumlah benda uji berukuran panjang 20 cm, dan diameter 10 cm adalah 270 benda uji untuk pengujian kuat tekan, dan jumlah benda uji berukuran panjang 30 cm, dan diameter 15 cm total adalah  90 benda uji untuk uji kuat tarik belah. Hasil penelitian menunjukkan bahwa: (1)Pada pengujian kuat tekan beton, hasil optimum yang didapat adalah benda uji KT-M0,03-G dengan komposisi bahan tambah madu sebesar 0,03% dan amylum sebesar 0,5% dari berat semen; (2)Pada pengujian kuat tarik belah beton, didapat hasil optimum pada benda uji KTB-M0-A dengan komposisi madu 0% dan amylum 0,10% dari berat semen.Kata Kunci: beton polimer termodifikasi; kuat tekan; kuat tarik belah;  amylum; maduABSTRACT  The resesearch used amylum as a modified polymer and honey as its added ingredient. There were 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 10 cm were 270 that were tested for compressive strength, and the number of specimens with 30 cm length and 15 cm in diameter were 90 that tested for splittingtensile strength. The results of this research met conslusions: (1). Optimum compressive strength achieved by specimen KT-M0,03-G with 0,03% honey and 0,5% amylum of cement weight; (2) Optimum splitting tensile strength achieved by specimen KTB-M0-A with 0,% honey and 0,10% amylum of cement weight;  Keyword:modified polymer concrete;  compressive strength; splitting tensile strength; amylum; honey

Tinjauan Geometrik Jalan Raya Pada Titik-Titik Rawan Kecelakaan (Blackspots) Di Kota Semarang

Herlambang, Denis Bramedio, Febri Setyadi, Rosie Febri, Ruktiningsih, Rudatin

G - SMART Vol 1, No 2 (2017)
Publisher : G - SMART

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Abstract

This study is based on traffic accidents in Indonesia which increased from year to year, theincrease of the accident rate resulted in the loss of material or casualties. Frequent accidentsare classified as blackspots (accident-prone points). Then to minimize the blackspot, there is aneed to study the safety of traffic more deeply, one of the efforts is to conduct a road geometricreview. In the geometric overview of the highway there are horizontal alignments and verticalalignments as the main points of discussion, where horizontal alignments discuss the speed,bend length, stop visibility, side free areas, bend extension and super elevation. While thevertical alinemen discuss about the cleverness, and vertical arch. Analysis of horizontalalignment and vertical alignment based on RSNI 2004 criteria. The results of this study indicatethat there are some discussion of horizontal alignment and vertical alignment that is not inaccordance with the criteria of RSNI 2004, the discussion includes the length of the curve, thestop visibility, and the side free area for alinemen horizontal, and vertical curvatures andvertical alignments.