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Haliena Armela
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Civil Engineering, Building, Construction & Architecture

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Pemantauan Penanganan Longsoran Badan Jalan dengan Drainase Horisontal Haliena Armela
Jurnal Jalan-Jembatan Vol 22 No 1 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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One of the alternative technologies for landslide handling is a horizontal drainage. Development of this technology has been started since 1997 with full scale trial model of line perforation type and hole perforation type for several depth variations at the road Cikalong – Cariu Km 4+725 (Cariu) which constitute as an alternative track between Jakarta – Bandung. The objective of this handling was to reduce the water level of the land from slope of road and to identify the effectivity of the landslide handling. The problem of landslide was the road depression of 35 m. Analysis of the monitoring data showed that ground water surface has degraded for 0.005 m (at external field of slide area) and 0.105 m (at the slide area), pore water pressure has degraded for 0.2 mH2O on line 1 and 0.71 mH2O (at the slide area), water flowrate released on horizontal drainage outlet of hole perforation type was 0.011 to 2.42 L/day, higest than the line perforation type, land surface movement happened on the main and base slide was 0.1 to 1.1 cm. Monitoring result of landslide handling with this construction was quite effective to be applied to landslide problem on slope slide and road segment with ground water (water table) factor which uncontrolled on permeable soil. The type of perforation pipe which is more effective to be used is a hole type
PERBEDAAN UTAMA PENGGUNAAN KAPURDAN SEMEN UNTUK BAHAN STABILISASI TANAH Siegfried Siegfried; Nyoman Suaryana; Haliena Armela
Jurnal Jalan-Jembatan Vol 22 No 4 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

With the lack of availability of natural resources will alse affect to the road construction and maintenance process. This problem can be solved by improving the quality of material that is available near the road locations. that is the reason to implement the technologies that can improve the quality of materials which is considering some aspect namely material types, material deposits, and also the level of successful in the past. One of such technologied is the soil stabilization which is using lime and cement as the stabilizing agents. The main difference between these two kinds of stabilization is its use for a certain type of soil. The use of lime is suitable for the soils whose PI more than 10% while cement is more applicable for fine grained soils if the PI less than 10% and also for the coarse grained soils (less than 25% passing sieve No. 200). Lime stabilization will increase the bearing capacitty of soils and reduce plasticity and swelling. The succesful of road stabilization is influenced by several factors such as (i) the selection of stabilizing agent that suits to type of soils, (ii) the accuracyof mix desihn, (iii) the level of mixing and compaction in the field , and (iv) the maintenance process durig curing time.
Co-Authors Nyoman Suaryana Siegfried Siegfried