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Library's collection Library's IT development Cancel| Estimating young?s modulus and modulus of rupture of coconut logs using reconstruction method | This research develops a theory of the so called reconstruction method to estimate the Young?s modulus (E) and modulus of rupture (SR) of coconut logs. The reconstruction method includes among others; flexure test on small-clear specimens, which were taken from locations distributed along the horizontal as well as vertical direction inside the logs. Further, ...
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| Behavior of expansive clay of Ngawi region (East Java) under water content variation | The authors have prepared a significant investigation in swelling behavior of expansive clay. The lateral swelling potential obtained from modified oedometer test was especially interesting. Discussant used the term of swelling potential to represent both strain and swelling pressure. The effect of three different initial water contents, which is 20%, 25%, and 30%, on swelling potential has been studied. ...
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| Development of spectral hazard map for Indonesia with a return period of 2500 years using probabilistic method | This study is performed to develop spectral hazard map for Indonesia with a Return Period of 2500 years earthquake. It will be proposed for revision of the Indonesian hazard map in SNI-03-1726-2002 as response to the meeting organized by the Department of Public Works on 27- October-2008 in Jakarta. The meeting has decided to ...
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| Effect of steel fibers on the behavior of over-reinforced beams subjected to pure torsion | The improvement in torsional properties of reinforced concrete (RC) is becoming extremely important in the modern day constructions. Over the years the steel fiber reinforced concrete (SFRC) is being used for improving cracking characteristics of RC. The present paper deals with the behaviour of over reinforced SFRC members subjected to pure torsional loading. Torsion tests ...
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| Building blocks incorporating waste materials bound with bitumen | This paper described an investigation and evaluation which was carried out in the United Kingdom-UK, on the properties of masonry building block materials that incorporate waste materials, namely: steel slag, crushed glass, coal fly ash, rice husk ash (RHA), incinerator sewage sludge ash (ISSA), municipal solid waste incinerator bottom ash (MSWIBA) or shortened as IBA, ...
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| Study on reactivity of circulating fluidized bed combustion fly ashes in the presence of water | A study on reactivity of four different Circulating Fluidized Bed Combustion (CFBC) fly ashes has been realized in the presence of water. Paste of each ash was prepared and analyzed for its setting time, expansion and strength. The products of hydration, and their evolutions over a period of time were identified by X-ray diffraction ...
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| Compressive strength of volcanic ash/ordinary portland cement laterized concrete | This study investigates the effect of partial replacement of cement with volcanic ash (VA) on the compressive strength of laterized concrete. A total of 192 cubes of 150mm dimensions were cast and cured in water for 7, 14, 21, and 28 days of hydration with cement replacement by VA and sand replacement by laterite ...
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| Sidoarjo mud: a potential cement replacement material | This paper presents an experimental and analytical research conducted to study the properties of mortar when treated Sidoarjo mud was added into the mix replacing partially the cement content. The replacements were done at 0, 5, 10, 15, and 20%. Compression, tensile, porosity and Ultrasonic Pulse Velocity (UPV) tests were conducted to evaluate the ...
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| Owner and contractor perceptions toward factors causing delays in structural and finishing works | A construction project comprises of a number of work packages, which are subjected to delays. These delays may be caused by many on-site factors. The aim of this research is to represent owner and contractors perceptions towards delay factors that frequently occur in structural and finishing works. Data for analysis were gathered by distributing ...
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| An Appraisal of project procurement methods in the Nigerian construction industry | The aim of every client at the beginning of any project is to have at the end of the day a quality structure delivered on time and within budget. However, researches have shown that in most cases this aim is not met. The aim of the study that formed the basis for this ...
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| Penataan elemen struktural untuk menyederhanakan perilaku dinamik, dalam keterpaduan dengan desain arsitektur | Penelitian ini bertujuan untuk menemukan penataan elemen struktural yang dapat lebih efektif menyederhanakan perilaku dinamik struktur terhadap gempa bumi, dan tidak merusak keterpaduan antara rancangan arsitektural dengan rancangan struktural. Sebagai studi kasus digunakan prototipe yang merupakan bagian tower dari Gedung Intiland Tower Jakarta. Penelitian diawali dengan membuat dan menganalisis model eksisting ...
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| Primary stage of pakis-stem-block system as thermal protective to flat bare concrete rooftop in tropical climate of Surabaya | In the era of global warming and increasing urban heat island condition, flat concrete deck on shop-houses may be less sustainable to handle the excessive solar heat radiation impacts on the roof surfaces. Innovative alternative roofing system is needed to manage heat radiation that will lead to sustainable factors likes energy ...
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| Cradle to cradle in urban planning; putting eco-effectiveness into urban planning practice | Cradle to Cradle is a well-known sustainability concept introduced by Braungart and McDonough. It is a concept about how a product can be designed from the outset so that, after their useful lives, they will provide nourishment for something new, thus 'waste equals food' (Braungart and McDonough, 2002). This eco-effective principle has been ...
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| The ?Duo?, building setback and landscape quality: lautech (Nigeria) neighbourhood examined | The subjects, building setbacks and landscape quality, can be considered as 'duo' in view of their interwoven relationships as major determinants of open space quality in residential neighbourhoods. In view of the numerous benefits and functions of residential open spaces, these were examined in LAUTECH neighbourhood. The purpose was to assess ...
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| Industrialization and informal sector in shaping the city: case study Ahmedabad-India | Industrial activity is a prime determinant in shaping city size and growth opportunities especially in developing country, like India. Since industrialization started in Ahmedabad in 1950s, the city becomes larger and larger in terms of population and size. The growth of Ahmedabad city is highly affected by three urban generators on ...
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| The Morphological framework of the Chinese and the European districts in Surabaya, 1787-2005 | Recently, the phenomena of economic boom during the 1990s have led to the physical restructuring within the old centre of Surabaya. The changes is inevitable, thus the real issue is how to find the elements of persistent, constraining development to some degree that could be applied to influence future development. The ...
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| Faktor-faktor yang mempengaruhi pengusaha kecil dan mikro mendaftar menjadi wajib pajak orang pribadi | Pajak memiliki peran penting untuk memenuhi kebutuhan anggaran penerimaan pemerintah. Oleh karena itu, pemerintah berharap agar jumlah wajib pajak orang pribadi yang telah memenuhi persyaratan subyektif dan obyektif yang ditentukan makin meningkat. Pendekatan yang paling mudah dilakukan untuk meningkatkan jumlah wajib pajak orang pribadi adalah dengan mendorong pemberi kerja untuk mewajibkan ...
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| The Predictability of GARCH-type models on the returns volatility of primary Indonesian exported agricultural commodities | Agricultural sector plays an important role in Indonesia?s economy; especially for the plantation sub-sector contributing high revenues to Indonesia?s exporting sectors. The primary agricultural commodities in Indonesian export discussed in this study would be Crude Palm Oil (CPO), Natural Rubber TSR20, Arabica Coffee, Robusta Coffee, Cocoa, White Pepper and Black Pepper. ...
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| Board of commisioner duality role, governance and earnings management of initial public offerings in Indonesia | Public firm is required to implement good corporate governance as assurance to reduce information asymmetry between firm and its stockholders. Corporate governance mechanism should be able to limit any improper actions of the firm?s management. This study investigates whether the duality role of the board affects earnings management practice of firms ...
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| Manajemen laba pada saat pergantian CEO (Dirut) di Indonesia | Penelitian ini bertujuan untuk mengetahui adanya manajemen laba pada peristiwa pergantian Direktur Utama (CEO). Pergantian CEO dalam penelitian ini meliputi baik pergantian rutin maupun pergantian non-rutin berdasarkan informasi yang diperoleh dari risalah Rapat Umum Pemegang Saham (RUPS) dan Rapat Umum Pemegang Saham Luar Biasa (RUPS). Sampel yang digunakan adalah perusahaan-perusahaan terdaftar ...
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