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Civil Engineering Dimension

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Published by Universitas Kristen Petra Surabaya

ISSN : 14109530 EISSN : 1979570X DOI : -

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture

The Civil Engineering Dimension (Dimensi Teknik Sipil) is a refereed journal, published twice a year, in March and September.

Arjuna Subject : -

Articles 466 Documents

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APLIKASI MATERIAL REQUIREMENT PLANNING UNTUK MENGENDALIKAN INVESTASI PENGADAAN MATERIAL PADA PT. JHS PILLING SYSTEM Herry P. Chandra; Harry Patmadjaja
Civil Engineering Dimension Vol. 3 No. 1 (2001): MARCH 2001
Publisher : Institute of Research and Community Outreach - Petra Christian University

Material Requirement Planning is a method to decide what, when and how many component and material needed for the production planning. This research studies how far the Material Requirement Planning's application could control material stock investment at PT. JHS Pilling System. Research results shows that using Material Requirement Planning method give a lower value of cummulative material investment and overdue investment than PT. JHS Pilling System current cost. Abstract in Bahasa Indonesia : Material Requirement Planning adalah suatu metode untuk menentukan apa, kapan dan berapa jumlah komponen dan material yang dibutuhkan untuk memenuhi kebutuhan dari suatu perencanaan produksi. Penelitian bertujuan untuk mempelajari sejauh mana aplikasi Material Requirement Planning dapat mengendalikan investasi pengadaan material pada PT. JHS Pilling System. Hasil penelitian menunjukkan bahwa aplikasi metode Material Requirement Planning memberikan nilai cumulative material investment dan overdue investment yang lebih rendah daripada pengeluaran PT. JHS Pilling System saat ini.

Effects of Confinement on Interaction Diagrams of Square Reinforced Concrete Columns Tavio Tavio; Iman Wimbadi; Ardiansyah Kusuma Negara; Recky Tirtajaya
Civil Engineering Dimension Vol. 11 No. 2 (2009): SEPTEMBER 2009
Publisher : Institute of Research and Community Outreach - Petra Christian University

To prevent brittle failure, the design of a structural column in a seismic-resistant building is of important consideration, particularly in terms of confinement. In the recent building code, the need of closely-spaced stirrups in a structural member, such as column becomes compulsory due to the ductility and strength considerations. However, the design is based on the simplified block stress of unconfined concrete, and does not account for the strength gain due to the presence of confinement. To investigate the effects of lateral confinement on the column capacity, an analytical study is carried out. Both the strength gain in concrete core and the loss of strength in the cover are considered in the analytical models to exhibit the remaining strength gain after the mobilization of strength gain in the core concrete to compensate the loss of strength in the concrete cover. There are six key parameters primarily influence the effectiveness of lateral confinement. The most influencing parameter is found to be the spacing of transverse steel. The presence of closely-spaced lateral confinement significantly increases the magnitude of stress-strain curve of concrete. This increase expands the interaction diagram of the column particularly when it is in the compression-controlled region (for lower-story columns when axial load dominates the behavior).

STUDI EFEKTIFITAS PENGGUNAAN TUNED MASS DAMPER PADA STRUKTUR GEDUNG DALAM MEREDUKSI RESPONS DINAMIK AKIBAT BEBAN SEISMIK Wong Foek Tjong; Robby Sumendap; Freddy Gunawan; Takim Andriono
Civil Engineering Dimension Vol. 5 No. 2 (2003): SEPTEMBER 2003
Publisher : Institute of Research and Community Outreach - Petra Christian University

One of the approaches to reduce excessive oscillation on buildings due to dynamic forces is by installing a mechanical device called tuned mass damper (TMD). This paper presents a study on the effectiveness of TMDs installed on the top story of 1, 5, 10, and 15-story buildings excited by earthquake accelerograms of El Centro 1940, Denpasar 1981, and Pacoima 1971. Two-dimensional linear-elastic shear building model with TMD on the top is used in performing dynamic analysis. The effectiveness of the TMD is evaluated by comparing the responses: displacement, inter-story drift, and acceleration, with and without TMD. The results of the study show that the responses are generally damped. However, in some cases the responses could be larger, thus using of TMD for reducing seismic response should be reconsidered. Abstract in Bahasa Indonesia : Untuk mengatasi masalah guncangan yang berlebihan pada struktur gedung akibat beban dinamis, telah dikembangkan konsep kontrol pada struktur dengan menggunakan Tuned Mass Damper (TMD). Tulisan ini menyajikan studi efektifitas TMD yang dipasang pada struktur gedung 1, 5, 10, dan 15 tingkat yang dikenai akselerogram gempa-gempa El Centro 1940, Denpasar 1981, dan Pacoima 1971 (modifikasi). Dalam melakukan analisis dinamis, struktur dimodelkan sebagai bangunan geser elastis linier dua dimensi dengan TMD pada lantai teratas. Efektifitas TMD dievaluasi dengan membandingkan respons perpindahan, simpangan antar tingkat, dan percepatan dari struktur tanpa dan dengan TMD. Massa TMD ditetapkan sebesar 1%, 2%, dan 3% dari massa struktur utamanya. Hasil studi menunjukkan umumnya respons struktur dapat teredam. Meskipun demikian, pada beberapa kasus dapat terjadi respons struktur bertambah besar, sehingga penggunaan TMD untuk mereduksi respons akibat gempa perlu dipertimbangkan lagi

Analysis of Different Stripe Connectors for a Gabion Wall based on Woven Waste Tire Stripes Arwan Apriyono; Sumiyanto Sumiyanto; Yanto Yanto; Sachrul Iswahyudi; Rino Wahyu Pamungkas
Civil Engineering Dimension Vol. 21 No. 2 (2019): SEPTEMBER 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

In this research, woven waste tire stripes are proposed as an alternative material to wire mesh to make a gabion wall. The performance of the waste tire stripe-based gabion wall is highly dependent on the strength of its stripe, where the stripe connector plays an important role. This research aims to inspect the behavior of different stripe connectors for the gabion wall. To achieve this, a physical model was built and employed to test the strength of the gabion wall. Various stripe connectors are used; adhesive rubber glue, one inch nail, and two mm wire. The strength capacity of the models was determined from the maximum stress before failure. The strength capacities of the models are 83.197, 59.426 and 62.397 kPa for the wire, nail, and glue connector, respectively. Hence, it can be inferred that the wire connector is the strongest of the three connectors.

Community-Based Approach in A Small Scale Irrigation Project in Indonesia: Ways and Advantages Bambang Istijono; Taufika Ophiyandri
Civil Engineering Dimension Vol. 17 No. 2 (2015): SEPTEMBER 2015
Publisher : Institute of Research and Community Outreach - Petra Christian University

The implementation of community-based approach, where community can control a government owned infrastructure project, is rarely found. However, Sumatra River Basin Organization (BWSS) V successfully implemented a small scale irrigation project using this method in West Sumatra Province, Indonesia. This paper aims to describe how this policy was implemented, highlight its milestones, and discuss the advantages of its application. A detailed literature review and semi structured interviews were conducted to achieve the objectives. It was found that the implementation of community-based approach can bring about a sense of belonging, sustainability, and a source of income for the community. Hence, the project was finished on time within budget with high quality materials. In some cases the quantity of the project was more than it was targeted. The key policy that contributed to the success was trusting community to control the project and making sure that the proposed project came from the community.

ANALISA SISTEM MANAJEMEN LINGKUNGAN ISO 14000 DAN KEMUNGKINAN IMPLEMENTASINYA OLEH PARA KONTRAKTOR KELAS A DI SURABAYA Herry Pintardi Chandra
Civil Engineering Dimension Vol. 4 No. 2 (2002): SEPTEMBER 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

Sustainable construction development needs a good environmental management system. International standard ISO 14000 is one the standard of a good environmental management system. This research aims to obtain general idea on how far Class A contractors in Surabaya know about information, element, and the benefit of ISO 14000, and how to engage in analyzing environmental management system using Friedman and Wilcoxon Signed Rank Test. From the data analysis, it was shown that 64,71% of the respondents is aware of ISO 14000 and issue on work safety and health for employees has become a first priority (mean rank 8.09). This issue has been followed-up with the development of a proactive strategy (61.76%). The strategy is followed by tactic development among others is to check employees’ health in accordance to standard of work safety and health for employees which has been imposed by the government (mean rank 5.00). Abstract in Bahasa Indonesia : Konsep konstruksi berkelanjutan memerlukan sistem mana¬jemen lingkungan yang baik. Standar internasional ISO 14000 merupakan salah satu wahana untuk menjamin kinerja sistem manajemen lingkungan tersebut. Penelitian ini bertujuan untuk mendapatkan gambaran umum tentang sejauh mana para kontraktor kelas A di Surabaya menge¬tahui tentang informasi, elemen, dan keuntungan ISO 14000 serta bagaimana melakukan analisa sistem manajemen lingkungan tersebut dengan Friedman dan Wilcoxon Signed Ranks Test. Hasil analisa data menunjukkan 64,71% responden mengetahui informasi tentang ISO 14000, dan isu keselamatan dan kesehatan kerja karyawan menjadi prioritas utama (mean rank 8,09). Isu tersebut ditindaklanjuti dengan pengembangan strategi proaktif (61,76%), dimana strategi tersebut diikuti dengan pengembangan taktik antara lain memeriksa kesehatan karyawan sesuai dengan standard kesehatan yang telah ditentukan oleh pihak yang berwenang (mean rank 5,00).

UTILIZATION OF UNCONTROLLED BURNT RICE HUSK ASH IN SOIL IMPROVEMENT Agus Setyo Muntohar
Civil Engineering Dimension Vol. 4 No. 2 (2002): SEPTEMBER 2002
Publisher : Institute of Research and Community Outreach - Petra Christian University

Expansive soil has been a problem in Indonesia as in other countries. Current research found that there is a potential use of silica waste%2C resulting from burnt rice husk%2C as a pozzolanic material. This paper presents the results of study on the utilisation of ashes produced from uncontrolled rice husk burnt in Yogyakarta %28Indonesia%29.%0D%0A%0D%0AIn this research%2C a series of laboratory tests has been conducted. The tests were carried out individually or in a combination in which the Rice Husk Ash %28RHA%29 content were varied from 7.5%2C 10%2C and 12.5 percent%2C and the lime content from 2%2C 4%2C 6%2C and 10 percent %28by the dry weight of soil%29. All the samples have been remoulded at their optimum moisture content %28OMC%29 and maximum dry density %28MDD%29. The research shows that lime - rice husk ash decreased the swell of expansive soil and improved its strength and bearing capacity.%0D%0A Abstract in Bahasa Indonesia : soil+improvement%2C+expansive+soil%2C+uncontrolled+-+burnt%2C+rice+husk+ash.

Evaluation of a Reinforced Concrete Wall Macroscopic Model for Coupled Nonlinear Shear-Flexure Interaction Response Joko Purnomo; Jimmy Chandra
Civil Engineering Dimension Vol. 20 No. 1 (2018): MARCH 2018
Publisher : Institute of Research and Community Outreach - Petra Christian University

Reinforced concrete shear wall (RC wall) is an important element in tall buildings, which provides strength and stiffness against lateral loadings, e.g. earthquake and wind. Numerous researches have been conducted to study its nonlinear behavior via microscopic and macroscopic model. The later approach is currently being widely explored since it has many advantages compared to the preceding models. A well-known macroscopic model, namely Shear-Flexure-Interaction Multiple-Vertical-Line-Elements-Model (SFI-MVLEM) in the open source platform Open Sees, is capable of simulating the coupled nonlinear shear-flexure interaction response in the RC wall. This paper presents an evaluation to the applicability of SFI-MVLEM model to predict the coupled nonlinear shear-flexure behavior of RC wall specimens compared to experimental results in available literature. The analysis results show that the model is able to predict the behavior of RC wall considerably accurate in terms of hysteretic curves, cracking patterns, and contributions of shear and flexural displacement to total displacement.

PENINGKATAN DAYA DUKUNG PONDASI DANGKAL DENGAN MENGGUNAKAN CERUCUK SUATU STUDI MODEL Soebianto Tjandrawibawa
Civil Engineering Dimension Vol. 2 No. 2 (2000): SEPTEMBER 2000
Publisher : Institute of Research and Community Outreach - Petra Christian University

“Cerucuk” are widely used in foundation engineering to increase bearing capacity of the foundation and reduce the settlement. In order to study the behavior of the cerucuk some laboratory tests have been conducted on foundation model using bamboo sticks as cerucuk. Three positions of cerucuk namely, vertical, inclined and combination of vertical-inclimed are tested. Based on the test result, it is concluded that 60% increase of bearing capacity is achieved by inclined cerucuk, 37% by vertical cerucuk and 33% by combination of vertical-inclined cerucuk. Abstract in Bahasa Indonesia : Cerucuk banyak dipakai untuk meningkatkan daya dukung pondasi dan mengurangi penurunan yang akan terjadi. Untuk mengetahui perilaku pondasi dengan cerucuk tersebut, telah dilakukan penelitian berupa test pembebanan pada suatu model pondasi dengan menggunakan “biting” bambu sebagai cerucuk. Tiga macam pemasangan cerucuk yaitu tegak, miring dan kombinasi tegak miring dilakukan pada test tersebut. Hasil percobaan menunjukkan adanya peningkatan daya dukung tanah sebesar 60% oleh cerucuk miring, 37% oleh cerucuk tegak dan 33% bila dipakai kombinasi tegak miring.

Settlement Control of Soft Ground using Cement-Ricehusk Stabilization Chan, C-M.; Mokhtar, M.
Civil Engineering Dimension Vol. 14 No. 2 (2012): SEPTEMBER 2012
Publisher : Institute of Research and Community Outreach - Petra Christian University

Cement is widely used for improvement of soft soils, but financial and environmental concerns are causing genuine concerns to all parties, leading to the quest for alternative and effective stabilizers. Ricehusk is an agricultural waste in Malaysia, commonly disposed of by open burning or dumping in landfills. Considering that the ashes derived from ricehusk are pozzolanic in nature, there is a possibility that a cement-ricehusk mixture could effectively improve soft soils with reduced cement dosage. This study examines the mixture’s effectiveness by monitoring the settlement reduction in a clay soil. Standard oedometer tests were carried out on a soft marine clay sample admixed with cement-ricehusk. Test specimens contained 0-10% cement and 0-5% of ricehusk respectively, and were left to cure for either seven or 28 days. The stabilized specimens were observed to undergo significant reduction in compressibility, verifying the potential of cement-ricehusk as an alternative soft soil stabilizer.

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