M. Eddie Sunaryo
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KETIDAKSTABILAN TIMBUNAN OPRIT JEMBATAN AKIBAT DAMPAK PERUBAHAN TATA GUNA LAHAN DAN POLA ALIRAN SUNGAI M. Eddie Sunaryo
Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Vol. 1 No. 1 (2015)
Publisher : Himpunan Pengembangan Jalan Indonesia (HPJI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jh.v1i1.1434.%p

Abstract

Abstract Development of infrastructure projects need to consider two aspect, namely structural strength and user comfortable. This includes bridge ramp embankments should fulfill stability criteria and bridge lifetime. There are a number of cases showing the decreasing stability level caused by several factors and the most important caused by changing land use pattern and river flows regime that affected stability of bridge construction, such as embankment, pillars, and retaining walls. In selecting the right method to be implemented, evaluation and analysis based on relevance problems are needed. Keywords: infrastructure, strength of structure, comfortable, river flow regime  Abstrak Dalam pembangunan infrastruktur, perlu mencermati dua hal, yaitu masalah kekuatan konstruksi dan kenyamanan bagi penggunanya. Demikian halnya dengan konstruksi timbunan, seperti oprit jembatan, yang harus memenuhi kriteria stabilitas sesuai dengan umur rencana jembatan. Dalam beberapa kasus terjadinya penurunan tingkat stabilitas disebabkan oleh beberapa faktor penyebab, antara lain yang utama akibat perubahan tata-guna lahan dan perilaku pola aliran sungai, yang pada akhirnya mempengaruhi stabilitas bangunan utamanya seperti abutment dan pilar jembatan serta bangunan penahan lainnya. Dalam memilih metode penanganan yang perlu diimplemantasikan diperlukan evaluasi dan analisis yang berawal dari relevansi permasalahan dengan faktor-faktor tersebut. Kata-kata kunci: infrastruktur, kekuatan konstruksi, kenyamanan, pola aliran sungai
CONCERNS ON USING COAL SPOIL DUMPS (COLLIERY SPOILS) AS SUB-STANDARD MATERIALS FOR CONSTRUCTION MATERIALS M. Eddie Sunaryo
Jurnal Jalan-Jembatan Vol 24 No 1 (2007)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

The developing infrastructure sectors are increased as a result that there have been increasingly demands for the use of Standard Materials and influenced the increasing construction costs and has been predicted to increase still future. The use of Sub-standard Materials to replace the Occurrence of Standard Materials is now being strongly recommended as a solution however there is Any Test Guides do not deal appropriate to them due to indicate the different results due to an experiencing behaviour of the actual field performance. The use of sub-standard materials are being encouraged due to the regulation on maintaining the environmental balance, so therefore, the use of suitable standard materials have been limited. Further, the uses of sub-standard materials (local materials) have been also urged by the government body or any country, who are aware and responsible to the damages or changes of the environmental balance caused by land contaminations however may commonly susceptible to changes on their characteristic either in chemically or physically as a result of reacting processes when they contact with other mineral substances, such as water and air. The ‘unburnt spoils’ (minestone) as sub-standard materials are most found rather ‘burnt spoils’ and can be used as material contractions such as ‘fill materials’, ‘road base’ and ‘sub-base’ of materials in road constructions after the following recommendations, such as removing or protecting and treating the spoil dump heap to prevent the ground water pollutions, upgrading using thermal treatment towards basic materials for producing the quality of construction materials, investigating the occurrences of the potential leachability and economic calculations to get a brief overview of the Costs of Mineral Product (COMP) when used as material constructions. Keywords : Sub - standard materials, Industrial and man-made by product, Coal spoil disposals, Material constructions, Utilizing solution.