IDENTIFIKASI SEBAB-SEBAB KERUSAKAN OPRIT JEMBATAN DAN ALTERNATIF PENANGANANNYA PADA JEMBATAN BUIHOMAU-DAUDERE TIMOR LESTE

HENDRIKUS SUNI, BONIFASIUS (2014) IDENTIFIKASI SEBAB-SEBAB KERUSAKAN OPRIT JEMBATAN DAN ALTERNATIF PENANGANANNYA PADA JEMBATAN BUIHOMAU-DAUDERE TIMOR LESTE. Jurnal Magister Teknik Sipil. p.1-12.

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Abstract

Buihomau-Daudere bridge is a civil building located in Iolomar Sub district Lautem Regency. With the existence of this bridge, it is expected to enable transportation current and local society economic. In the part of bridge oprit side to Daudere has occurred landslide or damage, therefore, it should be done renovation and stability improvement. Each stake foundation is one of general foundation types utilized. The function of this foundation is to canalize hard land layer structure that has high support capacity which is its location is deep enough from the land surface. The land observation data obtained from Dili Public Works Department, among them were sondir CPT and SPT data, based on the existing data, it was estimated the land type in the location is various from soft sand to very hard land. In analyzing stake pole support capacity utilized some calculation methods such as the methods of S c h n e r tma n n a n d Not t i n g h am, Mayerhof, Terzaghy and Peck Of the calculation result, stake pole support capacity were the methods of S c h n e r tma n n a n d No t t i n g h am, Qu = 3 3 9 . 4 5 kN, Ma y e r h o f me t h o d s Qu = 257 kN, Terzaghy and Peck, Qu = 205.56 kN. By using above, stake pole support capacity is more secure if it used the smallest value, which were Terzaghy and Peck,Qu = 205.56 kN method. For the pole efficiency, it utilized approach suggested with Converse-Laberre Formula, Eg = 0.85<1, and block collapse = 4.07> 2. The comparison between manual calculation and Plaxis program result v. 8.2, pole deflection on manual calculation = 0.009 m and tht result of running program Plaxis result v.8.2 = 0.01 m.

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