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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.

Arjuna Subject : -

Articles 8 Documents

Search results for , issue "Vol 2, No 1 (2006): Maret" : 8 Documents clear

GARDU RONDA SEBAGAI KARYAARSITEKTUR VERNAKULAR KAJIAN TERHADAPBENTUK, STRUKTUR DAN FUNGSI Sumarjo Sumarjo H.
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

ABSTRACTThis research is aimed to identify the typology of form, structure and functionof the Watchman Station Patrol building as masterpiece of architecturevernacular. Sample of research amount of 10 buildings of watchman station,taken by snowball in region Sleman and its surroundings. To analyze thevariation of form growth, structure and function of the Watchman station Patrolbuilding, a fundamental approach model of typology and also continuity andchange is applied.Result of research indicates that geometry of space of the WatchmanStation Patrol building showing the remain uniform, that is the square geometry.Typology of structure of the Watchman Station Patrol building shows theconventional uniform; that is; system structure mark with lines with the wall atone blow as burden taker, open wall is mostly arranged in watchman station,especially at shares fagade. Watchman station also Shows a manifest Functionfor rendezvous as well as keep the warehouse places. Locus of watchmanstation determined by road axis of the orchard collector and center of the localcountryside governance. The latent function could be changed overtime dependon the society need; it supports the social and economic function of society.However, the core elements are remain, those are geometry of space, superstructure and setting of locus of the Watchman station Patrol building.Keywords: vernacular, form, structure, function

PENGARUH KADAR AIR TERHADAP KUAT GESER PADA TANAH LANAU Endaryanta Endaryanta
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

Landslide disaster such as bank slide or embankment slide often occurs.This it begins with a simple problem, that is infiltration of rain water into soilcausing the decrease of soil strength resulting in collapse. The research triesto explain the water influe'nce at the shear strength of soil to find out how muchwater content may induce soil collapse.This experimental research was conducted in the soH laboratory usingmud from Imogiri, Bantul conditioned in several water contents (from 10% to500/0) and direct shear tests were then applied. This experiment would produceCD (internal soil shear angle), c (soil cohesion), and finally slide off soil safetyfactor (F).This research has resulted:1. at a low water content (10%) the CD soil is low, the CD increases by increasingthe water content, but the next increas of water' content causes a decreaseof CD. The maximum CD (32.5°) reaches at 23% of water content.2. at a low water content (10%) the c soil is low, the c increases by increasingthe water content, but the next increasing of water content causes a decreaseof c. The maximum c (0.076 kg/cm2) reaches at 22% of water content.3. at a low water content (100/0) the F soil is low, the CD increases by increasingthe water content, but the next increasing of water content causes a decreaseof F. The maximum F reaches at 21% of water content.Key words: mud, soil, water content, shear strength, cohesion, land slide.

MODEL MATEMATIK ANGKUTAN LIMBAH PADA SALURAN TERBUKA Didik Purwantoro
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

This research is aimed to know the process of waste transportation on theopen-channel using numerical model. This model is chosen because of some reasons, for example the complication of the river tissue, the influence of ebb which causes difficulty to conduct analytical problem solving. The other excess of this numerical model is cheaper and easier than conducting measurement of waste rate in the field.The equa~on of waste transportation can be formulated as the two physics phenomenon, Le. advection and diffusion process or long dispersion of river. In the solving of equation of waste transportation, each of the components was analyzed separately. The advection part was done first, and the diffusion part was finished then. The advection equation was done using Lagrange interpolation, and the diffusion equation was done using differential method to explicit scheme.The result of the research shows that the use of Lagrange interpolation upto order 4 is still be good enough to finish advection equation for numberCourant 1, 0,75 and 0,5. For number Courant 0.25, numerical mistake causingconcentration degradation of 2.3 0/0. In the diffusion equation, the result of computationusing differential method up to explicit scheme yielding degradation ofwaste concentration from 10 gr/I become 4,96 gr/I for the diffusion coefficient ofKx =10 m2/sc and become 3,73 gr/I for the diffusion coefficient of Kx = 20 m2/sc.

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

KOMPARASI KUALITAS FLOWING CONCRETE DITINJAU DARI TINGGI JATUH PENGECORAN DAN JENIS SEMEN Eko Raharjo, Nuryadin
INformasi dan Ekspose hasil Riset Teknik SIpil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

ABSTRACTPumping method is the most frequently used to transport concrete verticallyin multistory building construction. However, such pumping method is still upagainst many problems: (1) the high performance of concrete requires a highquality of flowing concrete; (2) close-meshed framing causes difficulties indistributing the concrete. This research aims to clarify the influence of foundryfall height and cement type toward compressive strength and water absorptiondifference of flowing concrete.Two type of cements, Portland Cement (PC) and Portland PozzolandCement (PPC), were tested in this experimental research. Variation of foundryfall height is categorized into Oem, 35cm, 70cm, and 100cm. Compressivestrength and water absorption of each variant of flowing concrete was measuredafter reaches age of 90 days; three of test objects represent by one data.The research concludes that: (1) there is a compressive strength differenceof flowing concrete using both PC and PPC as the result of foundry fall height.Maximal compressive strength difference is reached at fall height of 100cm; forPC is 15.36% and PPC is 6.690/0. (2) there is a water absorption difference offlowing concrete as the result of foundry fall height using both PC and PPC.Maximal water absorption difference is reached at fall height of 100cm; for PCis 12.05% and PPC is 32.50%.Keywords: fall height, flowing concrete, compressive strength, water absorption,cement type

KARAKTER FORMAL BANGUNAN 01 KAMPUS UNY KARANG MALANG Ikhwanuddin Ikhwanuddin
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

ABSTRACTThe Karangmalang campus of Jogjakarta State University is a continuously developed area. At least, it can be seen from the appearance of some new buildings in these area. It is a good thing, but in the other, some worries appear as those new buildings were designed imperfectly. It seems that those new buildings were designed in different sight one to another.. "Is it because of the fully unclear and incomplete guideline? ". The clear and complete guideline is an important aspect to arrange the area; lack of such guideline will cause a messy area or an illegible one. Legibility is one aspect that Lynch (1960) proposed to create a good area. To get knowledge about legibility of an area, an understanding on formal character is needed. This is an important reasonwhy this research must be done.The research used quantitative research method in positivistic paradigm.Each object is observed and the information is collected in form of sketch ofplan and building's fa9ades, and also photographs. The objects of researchwere six offices of Dean in Jogjakarta State University consist of FBS, FIK, FT,FIS, FMIPA and FIP Dean's offices. The information had been analyzed ingraphical and verbal forms followed by quantitative manner to identify thedominant aspects of formal character of each object.This research reveals some formal characters of dean's office building inJogjakarta State University area. Those formal characters are: a) the axis is strong, b) the symmetrical form is very strong, c) the proportion is 1:3, d) the roof angle is 30 Q and 35Q, e) the hyrarcy is on one level in horizontal as well asvertical direction, f) the rythm is "a-b-c-b-a " pattern, and g) the dominant datumis ventilation hole.Keyword: legibility, formal character, the dean's offices building

APLIKASIPROGRAM TOPOCAD UNTUK PENGGAMBARAN HASIL UKUR TANAH Sunar Rochmadi , Afif Nofarida
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v2i1.8304

ABSTRACTConstruction works need various drawings, including the drawings ofearth surface profiles used to prepare plan and design of construction works.If the drawing process of earth surface profile is conducted manually, it will takerelatively longer time. Using Topocad program it is hoped to produce highprecission earth surface profiles. This research aims to prove that the drawingprocess is more effective and efficient using Topocad computer program.This research was conducted using the Football Field ReplacementDevelopment Project in Dusun Kayen, Desa Sinduadi, Kecamatan Mlati,Kabupaten Sleman, Yogyakarta. The field measurement was conducted togather data used to calculate distance and height difference between points.The data were processed in the Surveying Laboratory, FaCUlty of Engineering,UN~Based on data analysis, it is concluded that the calculation process ofsurveying data is more effective and efficient supported by Microsoft Excelsoftware. Applying Topocad program using the surveying data results singlecross sections, multiple cross section, single long section, polygon and crosssection detail were drawn digitally. The drawings produced utiliZing Topocadprogram are easy to be edited and therefore should be suitable for planningand designing civil construction works, because the drawings are in theenvironment of the AutoCAD software.Key words: Earth surface~ profile, computer aided drawing, surveying drawing.

PENGGUNAAN PEREKAT SEBAGAI ALAT SAMBUNG PADA KONSTRUKSI SAMBUNGAN KAYU Darmono Darmono
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 2, No 1 (2006): Maret
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v2i1.8298

This research aims: (1) to observe the strength of wood join using adhesive in holding up the shearing load, (2) to observe the difference of shear strength of wood join using adhesive of several trademarks: GG, ZZ, FF, RR, and PP.This is an experimental research conducted in the Construction MaterialTesting Laboratory, the Department of Civil Engineering and Planning Education, FT UNY. Five trademarks of adhesive are used: GG, ZZ, FF, RR, and PP, 10 samples for each trademark of adhesive. The total samples of this research are therefore 50. The data analysis technique to reject or accept the hypothesis uses the one way variant analysis. The test requirements for one way variant analysis are: (1) normality test and (2) homogeneity test. The research results show that: (1) the mean of shear strength of wood join using the adhesive of GG is 14 kg/cm2, adhesive ZZ is 16,64 kg/cm2 , adhesive FF is 20 kg/cm2 , adhesive RR is 22,64 kg/cm2 , and adhesive PP is 37,82 kg/cm2• (2) There is a significance difference among shear strength ofwood join using the adhesives of GG, ZZ, FF, RR, and PP. (3) The comparison result of the economical values viewed by the adhesive trademarks from the most to the least economical ones are FF, PP, RR,GG, and ZZ. (4) The comparison results of the adhesive characteristics from the most brittle to the most elastic ones are respectively RR, PP, FF, GG, and ZZ. (5) The comparison results of the cohesion power from the highest to the lowest ones are respectively RR, ZZ, PP, GG, and FF. Key words: adhesive, joining material, and wood.

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