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Inersia : Jurnal Teknik Sipil dan Arsitektur

inersia
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Published by Universitas Negeri Yogyakarta

ISSN : 0216762X EISSN : 2528388X DOI : -

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

INERSIA is stand for INformasi dan Ekspose hasil Riset Teknik SIpil dan Arsitektur. This scientific journal is managed by the Department of Civil Engineering and Planning Education, Faculty of Engineering, Yogyakarta State University, in cooperation with the Persatuan Insinyur Indonesia (PII). It publishes and disseminates research results from lecturers and post graduate students from various universities in Indonesia, which has contributed to the development of science and technology, especially in the field of Civil Engineering and Architecture. INERSIA is published twice a year, in May and December.

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Articles 312 Documents

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Uji Durabilitas Bahan pada Elemen Balok Beton Bertulang Akibat Beban Statik di Lingkungan yang Merusak Pramudiyanto Pramudiyanto; Abdul Manap; Pusoko Prapto
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 12, No 2 (2016): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACTConcrete structures reinforced with steel formed an important part of recent infrastructure. The combination of high strength properties on concrete and high tensile on steel provide an ideal composite material that offered wide application compare with other material on structural engineering. Buildings, bridges, piers, tanks and pipe, can be made from reinforced concrete. The aim of this research is to discover the durability of reinforced concrete beam on severe environment. This research conducted based on ASTM G-109 and Florida Test of Method FM 5-222. The method used on this research is DC Electrochemical Method with impressed current technique. The test conducted 120 days to gain beam flexural strength. The results show (1) there are two conditions on the beam, i.e.: (a) the beam is put based on compressive strength, and (b) the beam is put based on different salt content, (2) both conditions doesn’t give much effect on beam flexural strength, (3) the beam increased as the time goes by and the increasing compressive strength, (4) the not-affected beam is suspected because un-perfect conditioning process, (5) the forced-corrosion process is not run well because the solution can’t seep into the beam, (6) the gained flexural strength parameter is not depicted the condition of reinforced concrete on severe environment.Keywords: concrete beam, durability, severe environmentABSTRAK Struktur beton yang diperkuat dengan tulangan baja membentuk sebuah bagian yang penting dalam infrastruktur saat ini. Kombinasi sifat kuat tekan yang tinggi pada beton dan kuat tarik pada tulangan baja memberikan sebuah bahan komposit ideal yang menawarkan aplikasi yang lebih luas cakupannya dibandingkan dengan bahan-bahan lain pada bidang teknologi struktur sipil. Gedung-gedung, jembatan, tiang-tiang, tangki dan pipa, dapat dibuat dari bahan beton bertulang. Tujuan penelitian ini adalah untuk mengetahui durabilitas elemen struktur balok beton bertulang yang berada di lingkungan yang merusak. Penelitian ini dilaksanakan mengacu pada standar ASTM G-109 dan Florida Test of Method FM 5-522. Metode yang digunakan pada penelitian ini adalah DC Electrochemical Method dengan teknik arus paksa (impressed current). Pengujian dilaksanakan selama 120 hari, dengan data yang diambil adalah kuat lentur balok. Berdasarkan hasil penelitian tersebut dapat disimpulkan bahwa: (1) Terdapat dua pengkondisian uji terhadap balok beton bertulang, yakni (a) balok beton dikondisikan terhadap beda kuat desak, dan (b) balok beton dikondisikan dengan beda kadar garam air rendaman, (2) Dari kedua kondisi yang diberikan, perlakuan kondisi (a) maupun kondisi (b) tidak memberikan pengaruh terhadap kuat lentur balok beton, (3) Balok beton masih memberikan nilai kuat lentur yang meningkat sejalan dengan berjalannya waktu dan dengan kenaikan kuat desaknya, (4) Tidak terpengaruhnya balok beton pada kedua kondisi yang diberikan diduga disebabkan karena proses pengkondisian yang tidak terjadi dengan sempurna, sehingga proses yang diharapkan terjadi tidak berjalan sebagaimana mestinya, (5) Proses korosi paksa tidak dapat berjalan dengan baik karena larutan penghantar tidak dapat masuk/merambat ke dalam beton, (6) Parameter kuat lentur yang diperoleh belum mencerminkan kondisi struktur beton yang berada di lingkungan yang merusak.Kata kunci: balok beton, durabilitas, lingkungan yang merusak

STUDI EKSPERIMENTAL KINERJA STRUKTURAL BETOM RINGAN AERASI (AUTOCLAVED AERATED CONCRETE) DENGAN VARIASI THIN BED MORTAR) Endaryanta, Faqih Ma'arif, Imam Muchoyar
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 8, No 2 (2012): Desember
Publisher : Universitas Negeri Yogyakarta

PERENCANAAN JEMBATAN PEJALAN KAKI MENGGUNAKAN KAYU JATI HUTAN RAKYAT SEBAGAI MATERIAL KONSTRUKSI Maris Setyo Nugroho; Ali Awaludin; Bambang Supriyadi
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 13, No 2 (2017): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACT Eco-friendly bridge planning is an important aspect to be considered, as the issue of global warming and energy crisis develop. This study examine the planning of pedestrian bridge using community forest wood materials. The analysis is done by 3D modeling on SAP2000 auxiliary software. The research stages consist of testing mechanical properties of wood and optimization of the maximum span of the bridge. The result of testing of mechanical properties obtained result that teak wood of Blora comunity forest have value of Emin 5757 MPa. Based on SNI-7973: 2013 the value is included in the E11 quality code. The design of the pedestrian bridge uses the Warren Truss frame type. This shape was chosen because it has the highest stiffness compared to the type of Howe Truss and Pratt Truss. Based on bridge structure analysis show that, with dimension 4x6 cm bridge can bear the load of plan until span 10 m with maximum deflection 9.9 mm Keywords: design, pedestrian bridge, 3D model, SAP2000. ABSTRAK Perencanaan jembatan yang ramah lingkungan menjadi aspek tersendiri yang harus diperhatikan,seiring berkembangnya isu pemanasan globaldan krisis energi. Penelitian ini mengkaji tentang perencanaan jembatan pejalan kaki menggunakan material kayu hutan rakyat. Analisis dilakukan dengan pemodelan 3D pada software bantu SAP2000. Tahapan penelitian terdiri dari pengujian mechanical properties kayu dan optimasi bentang maksimum jembatan.Hasil pengujian sifat mekanik didapatkan hasilbahwa kayu jati hutan rakyat Blora memiliki nilai Emin 5757 MPa. Berdasarkan SNI-7973:2013 nilai tersebut termasuk dalam kode mutu E11. Desain jembatan pejalan kaki menggunakan tipe rangka Warren Truss.Bentuk ini dipilih karena memiliki kekakuan yang paling tinggi dibandingkan dengan tipe Howe Truss dan Pratt Truss.Berdasarkan analisis struktur jembatan menunjukkan bahwa, dengan kayu dimensi 4x6 cm jembatan dapat memikul beban rencana hingga bentang 10 m dengan defleksi 9.9 mm Kata Kunci :desain, jembatan pejalan kaki, 3D model, SAP2000.

INTERELASI DAN INTERAKSI KAWASAN KAMPUS PERGURUAN TINGGI DI KOTA YOGYAKARTA Sumarjo H
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 1, No 1 (2005): Maret
Publisher : Universitas Negeri Yogyakarta

ABSTRACTThe purpose of this research is to find a theory model of interrelationshiptheory between campus region with its environment, and the interaction betweencampus group that located in the city with other group that located in the urbanfringe of Yogyakarta.The sampling of this research has taken purposively, campus group thatlocated in the city consist of UGM, UNY, USD 1, UAJ and UII 1. Other group thatlocated in the urban fringe represented by UPN, STIE, U1I2, USD 2 and STIPER.Analisys of the data that already taken has decided to use quantitative method.The result of this research indicates there are significant interrelationshipbetween campus region with its environment, with relationship frequency 74%and 80%. The interaction between campus group that located in the city withother group that located in the urban fringe of Yogyakarta seem equal, so it canbe concluded that the relationship formed in concentric pattern.Keywords: interrelation, interaction, campus region

OPTIMASI GEOMETRI BERDARASKAN GAYA-GAYA DALAM PADA JEMBATAN PELENGKUNG BETON Almulianur Almulianur; Akhmad Aminullah; Muslikh Muslikh
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 14, No 2 (2018): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACT This study discusses geometricoptimization based on internal forces that occur on concrete arch bridges. Geometric optimization is viewed from the use of the ratio between the height to the length of arch. Optimum ratio based on the internal forces that occur on concrete arch bridge. The ratio between the height and the length of arch are made on the concrete arch bridge with the span of 150 m, variation of the ratio performed 1: 2 to 1: 8 with interval of 0.25. Modeling of concrete arch bridge was made on softwere SAP 2000 with 25 models due to the difference of ratio interval variation. Based on the results of internal forces with variation of the ratio, the results for the most optimum geometry are 1: 4 to 1: 7,25.Keywords: concrete arch bridge, geometry,optimization, ratio ABSTRAK Pada kajian ini membahas tentang optimasi geometri berdasarkan gaya-gaya dalam yang terjadi pada jembatan pelengkung beton. Optimasi geometri dilihat daripenggunaan rasio antara tinggi pelengkung terhadap panjang pelengkung. Rasio yang paling optimum berdasarkan gaya-gaya yang terjadi pada jembatan pelengkung beton. Rasio antara tinggi pelengkung dan panjang pelengkung akan dilakukan pada jembatan pelengkung beton dengan bentang 150 m. variasi rasio dilakukan antara 1 : 2 sampai 1 : 8 dengan interval 0.25. Pemodelan jembatan pelengkung beton dilakukan pada softwere sap 2000 dengan 25 model akibat perbedaan variasi interval rasio. Berdasarkan hasil gaya-gaya dalam dengan variasi rasio didapatkan hasil untuk geometri yang paling optimum berada antara rasio 1 : 4 sampai 1 : 7,25.Kata kunci: jembatan pelengkung beton geometri, optimasi, rasio

DUKUNGAN RUMAH PONDOKAN MAHASISWA TERHADAP PROSES BELAJAR MAHASISWA FAKULTAS TEKNIK UNY Bambang Sugestiyadi
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

This research is a preliminary study on the role of the student dormitory tosupport the study process of engineering students of Yogyakarta State University.The research is aimed to reveal the relationship between student dormitoryareas and the study process of the engineering students in the YogyakartaState University. The support on the study process of the engineering studentsare the non-physical support such as the dormitory area and the physicalsupport such as the facilities of the dormitory.The nature of the research is a qualitative research. The engineering studentsof the Yogyakarta State University and their dormitory were decided as the respondent.11 dormitory students were selected as the samples. The questionerthat was used for a cross check field observation are collected randomly from50 (fifty) engineering faculty students of the Yogyakarta State University.The result of the research clarifies that there are 81.81 % of respondentslived in a permanent dormitory building. The construction of dormitory consist87..87% of one floor building. The research also shows that the spatialoccupancy of the dormitory is 7.50 up to 9.00 meter square per person. Thiscondition has already fulfilled the minimum requirement that is 6.00 metersquare per person. It indicates that the dormitories support the student liveexternally and internally. 93.90% respondents clarify that the dormitory hasalready became the place for study as well as for live. 78.75% respondentsclarify that the dormitory area is sufficient to support the process of study.Key words: student dormitory, facility, studying support ability

ANALISIS REGANGAN BAJA TULANGAN PADA STRUKTUR PILE CAP EMPAT TIANG METODE STRUT AND TIE MODEL Sukarman Sukarman; Djoko Sulistyo; Inggar Septhia Irawati
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 15, No 2 (2019): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACTPile cap is one of the many types of structures that are entirely Disturbed-region. The structure undergoes a non-linear strain because it was meeting point of the pile and column with centralized forces. In addition, geometry changes occur at the meeting between the column, pile cap, and pile, so the Bernoulli concept is no longer suitable for this condition. Pile cap testing consists of two groups of specimens and each group consists of three specimens. The first group was designed using the STM method (SNI 2847: 2013 Appendix A) and the second group was designed using conventional methods (SNI 2847: 2013 Article 15). Loading is the application of a centralized static load that is channeled through a centric column until the pile cap structure has collapsed. The results show that: (1) The flexural reinforcement which experiences the first yield condition both on the pile cap testing of the STM method and in the conventional method was the X direction flexural reinforcement (outsidest flexural reinforcement). (2) The average strain of the yield conditions and load on the pile cap STM method were 2242 με and 528.97 kN, whereas the conventional method were 2436 με and 437.03 kN. (3) Increasing the load capacity of the yield conditions (Py) of the pile cap STM method and conventional method on the plan load (Pn) were 32.2% and 9.3%.Keywords: pile cap, four piles, Strut and Tie Model (STM) ABSTRAK Pile cap merupakan salah satu dari jenis struktur yang sepenuhnya merupakan daerah terganggu (Disturbed-region). Struktur tersebut mengalami regangan non-linear karena merupakan titik pertemuan pile dan kolom dengan gaya-gaya terpusat. Selain itu, terjadi perubahan geometri pada pertemuan antara kolom, pile cap, dan pile, sehingga konsep Bernoulli tidak cocok lagi pada kondisi tersebut. Pengujian pile cap terdiri dari dua kelompok benda uji dan masing-masing kelompok terdiri dari tiga buah benda uji. Kelompok pertama dirancang menggunakan metode STM (SNI 2847:2013 Lampiran A) dan kelompok kedua dirancang menggunakan metode konvensional (SNI 2847:2013 Pasal 15). Pembebanan berupa penerapan beban statik terpusat yang disalurkan melalui kolom sentris sampai struktur pile cap mengalami keruntuhan. Hasil menunjukkan bahwa: (1) Tulangan lentur yang mengalami kondisi leleh terlebih dahulu baik pada pengujian benda uji pile cap metode STM maupun pada metode konvensional adalah tulangan lentur arah X (tulangan lentur terluar). (2) Rata-rata regangan kondisi leleh dan beban pada benda uji pile cap metode STM adalah 2242 με dan 528,97 kN, sedangkan pada metode konvensional adalah 2436 με dan 437,03 kN . (3) Peningkatan kapasitas beban kondisi leleh (Py) pada benda uji pile cap metode STM dan metode konvensional terhadap beban rencana (Pn) adalah 32,2 % dan 9,3 %. Kata kunci: pile cap, empat tiang, Strut-and-Tie Model (STM)

KASIBA SEBAGAI SALAH SATU KEBIJAKAN PEMERINTAH DALAM PENYEOIAAN PERUMAHAAN' Ari Widyati Purwantiasning
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 3, No 1 (2007): Maret
Publisher : Universitas Negeri Yogyakarta

AbstractPeople growth and urbanization in urban area ha~' fmplied onincreasing of housing need. The problem' 'araises, sin'ce the,·, housingsupply islnwer than housing ,need, ' especfally', for,'middlelow ,'incomepeople.The government had beeniliilialed todevelO~ ,corehc)usespoficyand offered housing development 'subsidies, fli'roiJghKPR' (KredifPemilikan Ramah) for middle low 'income peoplE;:' Based on t~ispolicy,smafland middle scale housings were ser)arcitediy built 'by both publicand private developers, This situ3tionimplied 0/1 araising new problemssince 1he housingdevelopmenlspreadly' squatted"ihurban areas. Itimpacts on un~integratedpI2n:ljng and high cost' of infrastructuremaintenance.ltis important to promote a new approach to supply housing formiddle low income peopl~ that more appropriate to urban integratedplanning, named as KAS1BA (Kaw8san Slap Bangan). This paper aimsto describeKASIBA in the term of goal managemem, involved agents,and finance method.Keywords: KAS/BA, housing development, urban integratedplanning

PENGARUH CARA PERAWATAN TERHADAP KUAT TEKAN DAN KUAT LENTUR HIGH EARLY STRENGTH FIBER REINFORCED CONCRETE Yogo Edi Prasetyo, Slamet Widodo
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 11, No 1 (2015): Mei
Publisher : Universitas Negeri Yogyakarta

ABSTRACTThis research aims to compressive strength in fiber-reinforced concrete treatment withconventional treatment, the treatment compressive strength fiber-reinforced concrete curingcompound by treatment, Strong bending in the fiber-reinforced concrete maintenance treatmentat curing compound. Treatment of fiber-reinforced concrete accelerated hardening processusing two methods of treatment and care of concrete with concrete soaked with curringcompound. This research used 24 samples of the specimen cylinder with a diameter of 15 cmand 30 cm, to test a row of concrete at the age of 3 days, 7 days, 14 days and 28 days. Flexuralstrength testing 24 samples of concrete using beam specimen with a length of 53 cm, height 10cm width 10 cm, tests are carried out in succession at the age of 3 days, 7 days, 14 days and28 days. This study took this 3 sample test specimens for each type of testing at a certain age.The results showed that of the compressive strength in fiber-reinforced concrete treatment withconventional treatment at the age of 3 days: 35.36 N/mm2, 7 days: 41.87 N/mm2, 14 days: 43.32N/mm2, and 28 days: 48.66 N/mm2. Flexural strength on fiber-reinforced concretetreatment withconventional treatment in a row at the age of 3 days: 8:30 N/mm2, 7 days: 7:58 N/mm2, 14 days:8.66 N/mm2, and 28 days: 8.85 N/mm2. Compressive strength in steel with treatment of fibrousconcrete curing compound treatments successively at the age of 3 days: 27.34 N/mm2, 7 days:30.46 N/mm2, 14 days: 37.53 N/mm2, 28 days: 37.72 N/mm2. Flexural strength in the treatmentof fiber-reinforced concretecuring compound treatment at successively at the age of 3 days:7:45 N/mm2, 7 days: 6.75 N/mm2, 14 days: 7.86 N/mm2, 28 days: 8.98 N/mm2. Compressivestrength test with care soaked 21.25% higher than the curing compound, and flexural strengthtest with marinated treatments 7.25% higher than that of concrete curing compound withmarinated care is stronger than concrete curing compound treatment and how treatment mayaffect the resulting strength of the concrete.Keywords: Compressive strength, Curing compound, Flexural strength

PENGARUH BAHAN TAMBAH POTONGAN LIMBAH MATERIAL PLASTIK TERHADAP KUAT TEKAN BEBAS PADA TANAH LEMPUNG WATES Muhammad Siddiqi Hajar, Dian Eksana Wibowo
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 10, No 2 (2014): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACTThis research aims to classification clays in Kasongan Bantul based of AASTHO (AmericanAssociation of State Highway and Transportation Officials Classification) and to find out thehighest number of qu by using a mixed pieces of plastic material waste in percentage 0%,1%, 2%, and 3%. This research was conducted in laboratory soil mechanics the Departmentof Civil Engineering and Planning, Faculty of Engineering, Yogyakarta State University. Theresults showed that Clays in Kasongan Bantul based of AASTHO is classified A-7-6 (11) thatis medium to low; the plastic material waste reveals the highest number of qu, that is on 3 %that is 0,91286 kg/cm2; 2% that is 0,77660 kg/cm2; 1% that is 0,77354 kg/cm2; and 0% that is0,65345 kg/cm2.Keywords: Clay, plastic material waste, unconfined compression test

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