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INDONESIA
Inersia : Jurnal Teknik Sipil dan Arsitektur
ISSN : 0216762X     EISSN : 2528388X     DOI : -
Core Subject : Engineering,
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
KAJIAN TERHADAP RUANG PEMBELAJARAN DI SMK JURUSAN BANGUNAN DI DAERAH ISTIMEWA YOGYAKARTA Sativa Sativa
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 6, No 1 (2010): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (167.702 KB) | DOI: 10.21831/inersia.v6i1.10577

Abstract

At the time, the need of skilled humans as industrial resources is very high.Therefore, the government makes many policies to increase the quality of vocational schools which produce those skilled human resources, especially in building industry. Because of that, it is also important to improve the quality of the educational infrastructure, especially at building vocational schools. This research aimed to study theory and practical room conditions at a number of building vocational schools in Yogyakarta Special Province. Focuses of the study were room dimension, furniture lay out, audio comfort, thermal comfort, natural and artificial lighting, and also natural vent. This research used rasionalistic approachment, evaluation method and involved a number of students. To gain data, there were used documentation, observation, and measurement. The study on four building vocational haigh schools as cases study resulted that not all of learning rooms achieved a comfort standard, especially in thermal condition, vents, lighting and noising.Keywords: evaluation, learning rooms, building vocational high schools,
PENGARUH PENAMBAHAN SERAT AMPAS TEBU GILING MANUAL DAN GILING PABRIK TERHADAP KUALITAS ETERNIT Darmono1) Sukarman2)
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 7, No 1 (2011): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1287.042 KB) | DOI: 10.21831/inersia.v7i1.3702

Abstract

This research study is determine the influence of the addition of bagasse fibers based on quality of plasterboard, which include: the absorption of water, the density of water, the ability of nailed, and flexural strength. This research was carried out in the Laboratory of building materials of YSU and Laboratory Of Structures GMU. The specimens for each composition consist of five pieces. The research method using experiment approach, the data then analyzed with compare the test result and SII.0016-72. The mix of bagasse fibers were 1sp:3kp:1st, 1sp:3kp:2st, 1sp:3kp:3st, 1sp:3kp:4st, and 1sp:3kp:5st respectively. Water absorption test results using the milling of bagasse fibers manual, the weight of content, and flexural strength for the composition 1sp:3kp:1st, 1sp:3kp:2st, 1sp:3kp:3st, 1sp:3kp:4st, and 1sp:3kp:5st the result were 21.95%, 18.68%, 21.80%,24.87%, 23.96%; 2.24gr/cm3, 2.15gr/cm3, 2.16gr/cm3, 1.18gr/cm3, 1.8gr/cm3 and 45.65kg/m², 47.34kg/m2, 91.73kg/m2, 26.74kg/m2 and 36.4kg/m2, respectively. The water density and visual test results for composition I, II, and III are good, whereas for composition III and IV occurring droplets. The capability test nailed does not occur crack on all composition. The water absorption, weight of content and flexural strength test results using the milling of bagasse fibers for mixed composition 1sp:3kp:2st, 1sp:3kp:3st, and 1sp:3kp:4st were 8.35%, 11.35%, 15.44%; 2.92gr/cm3, 2.73 gr/cm3, 2.41 gr/cm3 and 51.37kg/m2, 101.66kg/m2 and 73.93kg/m2 respectively. The density of water with co mposition 1sp:3kp: 2st, and 1sp: 3kp: 3st does not occur while the droplets to composition 1sp: 3kp: 4st. The capability test nailed does not occur crack on all composition, it is of the best qualified based on SII. 0016-72 is 1sp: 3kp: 3st with bagasse fiber.
PERILAKU SAMBUNGAN SAYAP MENERUS BALOK PROFIL I DENGAN KOLOM TABUNG BAJA AKIBAT BEBAN SIKLIK Eko Riyanto; Muslikh Muslikh; Bambang Supriyadi
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 13, No 2 (2017): Desember
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (647.73 KB) | DOI: 10.21831/inersia.v13i2.17172

Abstract

ABSTRACTUsing Concrete-Filled Steel Tube (CSFT) as a column component provides many advantages over steel columns. Steel tube serve as reinforcement as well as formwork for concrete filler increases the strength column. The lack of experience and complexity of the beam-column connection system becomes an obstacle to use the CFST as a column. In addition, strength and stiffness of the connection system should be sufficient to endure the earthquake loads. in this research, continuous joint of beam-CFST and continuous joint of beam-column steel tube without concrete filler (BKS-K). Load cycle of specimen refer to ACI 374.1-05. The test results showed the average load of 23,85 kN on BKS-K increased to 26.05 kN on BKS-T. Elastic stiffness (Ke) at BKS-K of 0,531 kN/mm increased to 0,531 kN/mm on BKS-T. BKS-T also has a larger hysteretic loop than BKS-K. BKS-K and BKS-T adequate the strong column weak beam criteria with partial ductility. Keywords: CFST, beam-column joint, cyclic test.            ABSTRAKPenggunaan kolom tabung baja dengan isian beton memberikan banyak keuntungan dibandingkan dengan kolom biasa. Adanya isian beton pada tabung baja, kuat tekan terhadap gaya aksial meningkat. Selain itu sambungan harus memiliki kekuatan menahan beban gempa. Kajian ini bertujuan mengetahui perilaku histeristis, kekuatan, kekakuan dan pola keruntuhan dalam menahan beban siklik. Kajian ini dibuat benda uji sambungan sayap menerus balok-kolom tabung baja dengan isian beton (BKS-T) dan sambungan sayap menerus balok-kolom tabung baja tanpa isian beton (BKS-K). Benda uji dibebani dengan siklus beban yang mengacu pada ACI 374.1-05. Hasil pengujian menunjukkan beban maksimum rata-rata sebesar 23,85 kN pada BKS-K meningkat menjadi 26,05 kN pada BKS-T. Kekakuan elastis (Ke) pada BKS-K sebesar 0,531 kN/mm meningkat menjadi 0,737 kN/mm pada BKS-T. Benda uji BKS-T juga memiliki hysteretic loop yang lebih besar dari BKS-K. Benda uji BKS-K dan BKS-T mengalami kegagalan yang memenuhi kriteria strong column weak beam dengan daktilitas parsial.Kata kunci: CFST, sambungan balok-kolom, uji siklik.
KARAKTERISTIK BETON DENGAN AGREGAT KASAR PELLET POLYPROPYLENE DAN VARIASI AGREGAT HALUS Nur Aisyah Jalali, Hasmar Halim
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 10, No 1 (2014): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.833 KB) | DOI: 10.21831/inersia.v10i1.4427

Abstract

This research aimed to determine weight-volume, compressive strength, and split tensile strength of concrete due to the use of plastic pellets (polypropylene) as a coarse aggregate and stone ash as a partial/a whole replacement sand needs to utilize plastic waste and stone ash which is a waste of stone-crushing machine. The test specimen was made of a mixture of cement, sand, coarse aggregate of plastic pellets and water. The design of concrete mix by Indonesian National Standard (SNI) with normal concrete compressive strength of 10 MPa was planned. Variations of the specimen lied on the mixture of stone ash and sand, respectively for 0% and 100%, 25% and 75%, 50% and 50%, 75% and 25%, and 100% and 0%. The object of the research was a cylinder diameter of 100 mm and height of 200 mm for testing of weight-volume and compressive strength, and a cylinder diameter of 150 mm and height of 300 mm for testing of split tensile strength. The results of the research showed that the higher level volume of stone ash in concrete, the higher weight-volume and compressive strength. It was increased in split tensile strength of the concrete levels of 0% to 50% stone ash, and it was decreased in levels of 75% and 100% stone ash. The results of weight-volume testing showed that all variations of concrete were classified as lightweight concrete because it had weight-volume of less than 1850 kg/m3 (Balitbang Kimpraswil, 2003b). Neville and Brooks (1987) also classified the concrete as lightweight concrete because it had weight-volume evenly less than 1800 kg/m3 and 1900 kg/m3. The results of compressive strength testing showed that concrete with stone ash content 0-75% were classified as very lightweight structure because it had compressive strength of less than 6.89 MPa, while levels of 100% were categorized as very lightweight structure with compressive strength from 6.89 to 17.24 MPa (Balitbang Kimpraswil, 2003b). According to Neville and Brooks (1987), concrete with stone ash content 0-75% were classified as lightweight concrete for heat resistant (compressive strength of 0.7 to 7 MPa), while levels of 100% were categorized as lightweight concrete for masonry (compressive strength of 7-14 MPa).Keywords: Polypropylene (PP), stone ash, compressive strength, split tensile strength, lightweight concrete
STATUS DAN PERAN MALIOBORO MALL SEBAGAI OBJEK WISATA BELANJA DI KAWASAN MALIOBORO YOGYAKARTA Muhammad Arief Kurniawan; Endah Tisnawati; Elsa Yuliza
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 14, No 1 (2018): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (506.131 KB) | DOI: 10.21831/inersia.v14i1.19496

Abstract

ABSTRACT Shopping Mall is a popular shopping tourism now. Malioboro Mall is the only one Shopping Mall in Malioboro Area, a well-known tourist shopping street area for domestic and foreign tourist in Yogyakarta. This research aims to know the status and role of Malioboro Mall as shopping tourism object in Malioboro Area. The method in this research is inductive qualitative. The instruments for collecting the data are documents, questionnaire and interview. The questionnaire is given to the visitor of Malioboro Mall and Malioboro Area to know their perception of Malioboro Mall and Malioboro Area. The interview is done to the management of Malioboro Mall and the resident who lives around the Mall. Status means condition or situation. There is three status of Malioboro Mall, from the architecture, property, and as the shopping tourism object. Architecture status means the reason tourist visit Malioboro Area because the architecture of Malioboro Mall is interesting. Property status means Malioboro Mall just a shopping facility for tourist, status as shopping tourism object means Malioboro Mall become the main destination for tourist in Malioboro Area. Research finding that status as property is dominant than others. The role of Malioboro Mall, is its support, not support or disturb the development of shopping tourism in Malioboro. Research finding Malioboro Mall have a role in support tourism in Malioboro Area, but there is some factor that has to be improved like parking  facility in Malioboro Mall and Malioboro Area, the price of product in Malioboro Mall is still expensive and souvenir need more complete, variation and cheap too attract the tourist in Malioboro Mall. Keywords: Malioboro Area, Malioboro Mall, Shopping Mall, Tourism object. ABSTRAKShopping Mall adalah bentuk wisata belanja popular pada saat ini. Malioboro Mall adalah satu-satunya Shopping Mall yang berada di Malioboro, sebuah kawasan wisata belanja yang sudah dkenal wisatawan domestik dan mancanegara. Kajian ini bertujuan untuk mengetahui status dan peran Malioboro Mall sebagai objek wisata belanja di Kawasan Malioboro. Metode Kajian yang digunakan adalah induktif kualitatif. Instrumen untuk mengumpulkan data adalah dokumen, kuisioner dan interview. Kuisioner dilakukan terhadap pengunjung Malioboro Mall maupun yang datang di Kawasan Malioboro, untuk melihat persepsi mereka mengenai Malioboro Mall maupun Kawasan Malioboro. Sedangkan interview dilakukan terhadap pengelola Malioboro Mall dan penduduk setempat di sekitar Malioboro Mall. Status berarti suatu kondisi atau situasi. Status Malioboro Mall ada tiga yaitu status Malioboro Mall dilihat dari segi arsitekturnya, properti dan sebagai obyek wisata belanja. Status arsitektur berarti wisatawan datang ke Malioboro Mall karena arsitektur Malioboro Mall yang menarik, status properti berarti Malioboro Mall hanya sebagai fasilitas perbelanjaan bagi wisatawan, status sebagai obyek wisata belanja berarti Malioboro Mall menjadi tujuan utama wisatawan ketika pergi ke Kawasan Malioboro. Hasil analisa ditemukan bahwa status properti adalah status yang paling dominan diantara ketiga status tersebut. Dari sisi peran, Malioboro Mall dapat dianggap sebagai elemen pendukung, bukan sebagai elemen pendukung atau justru malah mengganggu pariwisata di Malioboro. Hasil Kajian menyimpulkan bahwa peran Malioboro Mall mendukung pariwisata di Kawasan Malioboro. Namun ada beberapa faktor yang perlu diperbaiki seperti fasilitas parkir dan kualitas sirkulasi lalu lintas di Kawasan Malioboro, serta perbaikan harga produk dan variasi produk cinderamata di Malioboro Mall. Kata kunci: Kawasan Malioboro, Malioboro Mall, Shopping Mall, Wisata belanja.
KAMPUNG KARANGKAJEN YOGYAKARTA S a ti v a S a ti v a
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 1, No 2 (2005): September
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1650.837 KB) | DOI: 10.21831/inersia.v1i2.8245

Abstract

ABSTRACTKampong Karangkajen Yogyakarta is an old kampong that most nativeresidences are batik enterpreneur. Most of them still have close relationship,evenmore family relationship. So that there is a unique relationship among theresidences, especially in their informal relation.The aim of this research is to look for characteristic of informal gatheringspace at Kampong Karangkajen Yogyakarta, and to get determine factor of thecharacteristic, through typology study.This research uses rasionalistic-qualitative paradigm. Before analyzingthe data, the researcher studied several references, especially about typologyin architecture. The study results theory frame that will drive data analyze, thatis 9 cases of informal gathering space at Kampong Karangkajen Yogyakarta.The result of this research show that there is a typology of informal gatheringspace at Kampong Karangkajen Yogyakarta, especially in physical factor thatsupport activity comfortness. The determine factors influenced the typologyare: the users, the activities and the time when the activities happened.Keywords: typology, informal gathering space, Kampong KarangkajenYogyakarta
EKSPERIMEN PADA STRUKTUR PILE CAP TIGA TIANG DENGAN METODE STRUT AND TIE MODEL Maulana Agung Sedayu; Djoko Sulistyo; Akhmad Aminullah
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 15, No 2 (2019): Desember
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1049.207 KB) | DOI: 10.21831/inersia.v15i2.28619

Abstract

 ABSTRACTIn general, the design of the pile cap structure still uses conventional method assuming all regions experience linear strain. However, in reality the strain distribution in the cross section of the structure is not always linear so that a rational analysis method is needed with the assumption that is close to the actual condition using the strut and tie model method. This study aims to determine the behavior of crack pattern in the pile cap designed using the strut and tie model method (SNI 2847:2013 Appendix A) compared to conventional methods (SNI 2847:2013 Article 15). The specimen is the pile cap with three-piles and concentrated load, each of which has three methods. Loading is a static load that is channeled through a column located centric towards the structure of the pile cap. The results show that: the entire test object based on the two methods have flexural crack pattern. The average load capacity of the first crack (Pcr) on the specimen was designed using the strut and tie model and the conventional method were 239.0 kN and 193.7 kN. The average of crack width on the specimen using the strut and tie model and the conventional method were 0.68 mm and 3.88 mm.Keywords: crack pattern, pile cap, three-piles, strut and tie model ABSTRAK Pada umumnya perancangan struktur pile cap masih menggunakan metode konvensional dengan asumsi semua daerah mengalami regangan linier. Akan tetapi pada kenyataannya distribusi regangan pada penampang struktur tidak selalu linier sehingga diperlukan suatu metode analisis yang rasional dengan asumsi yang mendekati kondisi sebenarnya yaitu menggunakan metode strut and tie model. Penelitian ini bertujuan untuk mengetahui perilaku pola retak pada pile cap yang dirancang dengan metode strut and tie model (SNI 2847:2013 Lampiran A) dibandingkan dengan metode konvensional (SNI 2847:2013 Pasal 15). Pada setiap metode terdiri dari tiga buah benda uji berupa pile cap tiga tiang dengan beban sentris. Pembebanan berupa beban statis yang disalurkan melalui kolom yang terletak sentris terhadap struktur pile cap. Hasil pengujian menunjukkan bahwa keseluruhan benda uji berdasarkan kedua metode mempunyai pola retak lentur (flexural crack). Untuk rata-rata kapasitas beban saat retak pertama (Pcr) pada benda uji yang dirancang menggunakan metode strut and tie model dan metode konvensional adalah sebesar 239,0 kN dan 193,7 kN. Kemudian rata-rata lebar retak pada benda uji menggunakan metode strut and tie model dan metode konvensional adalah sebesar 0,68 mm dan 3,88 mm. Kata kunci: pola retak, pile cap, tiga tiang, strut and tie model
PENGARUH KANDUNGAN LEMPUNG DAN KADAR AIR TERHADAP COHESI DAN PHI TANAH LANAU BERLEMPUNG Endaryanta Endaryanta
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 2 (2006): September
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1644.618 KB) | DOI: 10.21831/inersia.v2i2.8313

Abstract

ABSTRACTIn this year, landslide disaster such as embankment slide, bankslide, or buried of soil (trash) often occurs. All of them begin with asimple problem, that is infiltration of rain water (or other) into soil causingthe decrease of shear strength, finally passed the limit of landslide safetyfactor F, so landslide occurs. The research tries to know the behavior ofclayey-mud soil with several ratio of clay content and several watercontent ratio to find out how much clay content and water content (w)may induce soil collapse.This experiment research was conducted in the soil laboratoryUNY using clayey-mud soil from Klaten which has been conditioned inseveral clay content (00/0-400/0) and water content w (20%-30%) andthen direct shear tests were applied. The product of this experimentwere: cohesion (c), internal soil shear angle, phi (p), and safety factor oflandslide (F).This research has resulted: (1) For pure mud soil, until 25% watercontent, would decrease of cohesion (interlocking), but 25% watercontent,interlocking (cohesion) would constant. The maximum cohesion(interlocking)(0.09 kg/cm2) reaches at 20% of water content (2) Forpure mud soil, increasing of water content until 30% would increase of pand F. The maximum p value (41.8°) occur at 30% water content (at 0%clay content); (3) For clayey-mud soil, increasing of water contentcauses increasing or constant of cohesion. The cohesion would increaseif 10%-20% clay content. The c value until 0.0665 kg/cm2 at 30% watercontent (at 100/0 clay content); and (4) For clayey-mud soil, increasing ofwater content (until 25%) would increase of p and F. The p value coulduntil 40.9° at w=25% (at 10% clay content). If w25%, the value of pand F would decrease. The p value until 7.7° at w=300/0 (at 40% claycontent).Keywords: mud. clay, soil, water content, cohesion,landslide.
PENERAPAN METODE STUDI KASUS YIN DALAM PENELITIAN ARSITEKTUR DAN PERILAKU Nur'aini, Ratna Dewi
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol 16, No 1 (2020): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.866 KB) | DOI: 10.21831/inersia.v16i1.31319

Abstract

ABSTRAK Studi kasus adalah studi empiris yang menyelidiki fenomena kontemporer dalam konteks kehidupan nyata. Awalnya metode penelitian studi kasus sering digunakan pada bidang ilmu sosial. Namun seiring dengan perkembangan ilmu pengetahuan, metode studi kasus mulai digunakan pada bidang lain. Metode penelitian studi kasus adalah strategi yang tepat untuk digunakan dalam penelitian yang menggunakan pertanyaan penelitian utama "bagaimana" atau "mengapa", diperlukan sedikit waktu untuk mengontrol peristiwa yang dipelajari, dan fokus penelitian adalah fenomena kontemporer. Dalam metode studi kasus, para peneliti fokus pada desain dan implementasi penelitian. Tujuan dari penulisan ini adalah untuk mengkaji metode penelitian studi kasus yang dirumuskan oleh Robert K. Yin dan selanjutnya melihat penerapannya dalam penelitian di bidang arsitektur dan perilaku. Pada penelitian di bidang arsitektur dan perilaku, metode studi kasus Yin ini dapat diaplikasikan walaupun secara parsial dan dapat dikombinasikan dengan metode lainnya. Penelitian bersifat kualitatif dengan kasus yang diamati meliputi kasus tunggal ataupun multi kasus yang pengamatannya berfokus kepada perilaku manusia dan seting lingkungannya. Kata kunci: arsitektur perilaku, kontemporer, studi kasus; studi perilaku, Yin ABSTRACTCase studies are empirical studies that investigate contemporary phenomena in real life contexts. Initially the case study research method was often used in the social science field. But along with the development of science, case study methods began to be used in other fields. The case study research method is the right strategy to use in research that uses the main research questions of "how" or "why", it takes a little time to control the events being studied, and the focus of research is contemporary phenomena. In the case study method, researchers focus on the design and implementation of research. The purpose of this paper is to examine the case study research method formulated by Robert K. Yin and then look at its application in research in architecture and behavior. In research in architecture and behavior, the Yin case study method can be applied even though partially and can be combined with other methods. Qualitative research with observed cases include single or multi-case cases whose observations focus on human behavior and environmental settings. Keywords: behavioral architecture, contemporary, case study, behavioral studies, Yin
Model Matematik Aliran Air Bawah Bendung Pramudiyanto, Didik Purwantoro
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 3, No 2 (2007): Agustus
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1805.165 KB) | DOI: 10.21831/inersia.v3i2.8332

Abstract

Dam is a structure which is the main function is to dammed up theflow ofthe river so that it gets the sum ofa specific volume ofthe water. The dam can be builtfrom concrete, stone, sand,. clay or combinations between them. As it function to resist the water flow ofthe river, the dam must be controlledfrom its displacement or turning over came fromthe water pressure. On the clay-typed dam, the safety value is also determinedfrom the water "rembesan ". As its affected to the stability of the dam, "rembesan" can caused the leak ofthe water to the dam and then become ruin. To anticipate those phenomenon of "rembesan" need a ''pengamatan cermat" to the "rembesan" activity of the dam so the development of "rembesan " activity can be detected, find the problem and then appropriate actions can be taken to solve them, and then more bigger problem can be avoided. The next important aspects are the dam s "rembesan" and "bocoran". On a specific circumstances, beside the "rembesan" and "bocoran" which can caused loosing the water, the "bocoran" can broke down the stability ofthe surrouding structure nearthe dam. The underground "rembesan" on a dam can be determined through numerical model with the finite element method. The utilization ofthe finite element method on the case ofthe dam "rembesan" seem like a new method compared with the finite difference method.

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