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Model Konstitutif Modulus Kekakuan Resilien Cement Treated Asphalt Mixture
R. Anwar Yamin
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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Design thickness of pavement by mechanistic method may allow use of many types of pavement materials. Cement Treated Asphalt Mixture (CTAM) is one type of pavement surfacing layer which is a composite mixture consist of aggregates, asphalt and mortar cement. CTAM made from open graded and mortar cement as air void grouting agent resulted a new type of asphaltic mixture with a unique characteristic. So far, use of CTAM is not too popular since its chart or constitutive model for determination of its stiffness modulus is not available yet. The aim of this study was to formulate the constitutive models of stiffness modulus of CTAM (SCTAM). For meet this purpose, a laboratory experiment using CTAM made by varied types of asphalt; petroleum asphalt Pen 60 (AM), AM plus 3% latex type KKK-60 and AM plus Asbuton type of Retona-60 by ratio 4 : 1 (AA), three different of compressive strength of mortar cement. This test was conducted in elastic range of CTAM on three different temperatures. Constitutive models of SCTAM was formulate as a function of its affecting factor i.e. stiffness modulus of asphalt (Sbit), compressive strength of mortar (K), asphalt content (KA), void in mix of CTAM (VIMCTAM), void filled by mortar (VFMCTAM) and temperature (T). By use of 681 data, a quite feasible constitutive models SCTAM was derived
Kajian Pemanfaatan FWD Sebagai Alat Uji Struktur Perkerasan Jalan
I Ketut Darsana;
Wawan Darmawan
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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Since 1990s Research and Development Center for Road Infrastructure has had Falling Weight Deflectometer (FWD), is one of the equipment to test road pavement structure completed by computerize system in measuring accuracy and speed. However, the evaluation on this equipment has not yet done. Therefore, it should be carried out a study on FWD to know how the usage of FWD technically and economically suits to management principles. FWD capacity reaches 251,280 points < 404,000 points (Dynatest-8002). Technically FWD has not optimatised yet in its capacity but its operation has been suitable to management procedures. Due to limitation on cooperation and services of FWD, its capacity can be increased until 40,000 points per-year to maximaze the provits or to increased with the payment from Rp 25,000,- to Rp 36,000 for one-point if minimize the losses. The choice of the as above alternative should be evaluated to get maximum result beside considering it as the main usage of FWD for research services; while FWD capacity is used to give services to other needed parties.
Penanganan Dampak Kemacetan Lalu Lintas Pada Pembangunan Kawasan Industri Baru
Muhajirin Muhajirin
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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In any new housing and settlement area it is necessary to carry out environmental assesment based on Environmental Impact Analysis Study (EIA) which is stimulated in Government Ordinance (PP) number 27, 1999. In handling the traffic jam impact in sample city of Serang. It was stated that traffic jam level in east road before peak hour, between 07.30 – 08.00 has reached the amount of 1286 vehicles/hour. In the evening, between 16.30 -17.00 it has reached 1699 vehicles/hour. Reffering the noise level exceeded maximum required that is 51.0 dBA (max = 60 dBA), hence it is categorized as negative not important. This condition can cause damage to infrastructure especialy road due to vechicles passing in carrying-out contruction tools and material, therefore it is stated as negative-important.
Kajian Perbandingan Bantalan Elastomer Sebagai Perletakan Jembatan dengan Menggunakan 4 Lapisan dan 3 Lapisan Pelat Baja
N. Retno Setiati;
Rully Ranastra Irawan
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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In generally bridge bearing in Indonesia is made from metal, in the case of quality of materials and also installation method often generate problems. This metal bearing pad relatively more expensive and its wight enough heavily in the case of transportation. In Indonesia, the elastomeric bridge bearing have been used. The experiments which have been done to the Experi mental Stationer of Bridge and Road Furniture, Research Technology of Rubber in Bogor, and Produser of Rubber have earned to make laminated elastomeric bridge bearings which made from natural rubber and synthetic rubber according to spesification which have been determined by Standard – Spesification like AASHTO. This spesification required to be taken care of elastomeric bridge bearings which produced do not become problems in periode to come.
Perubahan Komposisi Kendaraan di Jalan PerkotaanDibanding Nilai Normal Yang Ada Pada Kapasitas Jalan Indonesia
Erwin Iskandar
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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Salah satu masukan data dalam proses analisis kinerja kapasitas jalan raya dengan menggunakan Kapasitas Jalan Indonesia (KAJI) yaitu, data arus lalu lintas yang digolongkan atau tak tergolongkan dalam setiap kelompok kendaraan bermotor. Apabila data masukan tak tergolongkan, maka KAJI akan menggunakan nilai normal untuk komposisi kelompok kendaraan bermotor tersebut. Nilai prosentase komposisi jenis kendaraan terpengaruh oleh kondisi sosial ekonomi masyarakat, fungsi jalan, dan manajemen lalu lintas jalan bersangkutan. Dewasa ini sebagai dampak dari keberhasilan pembangunan, sejak KAJI mulai diterapkan pemakaiaannya (Thn. 1997) sampai sekarang, telah terjadi perubahan nilai prosentase komposisi jenis kendaraan bermotor. Nilai prosentase komposisi kendaraan dalam KAJI untuk jalan perkotaan terbagi lagi atas ukuran kotanya. Dalam tulisan ini yang mendjadi kasus lokasi studi dengan ukuran kota masuk dalam lingkup 1 s/d 3 juta penduduk, nilai prosentase KAJI dimana kendaraan ringan 60%, kendaraan berat 8%, dan sepeda motor 32%. Hasil penelitian yang telah dilakukan di Pusat Litbang Prasarana Transportasi menunjukan perubahan sebagai berikut, kendaraan ringan 35%, kendaraan berat 4%, dan sepeda motor 61%. Dengan adanya perubahan nilai komposisi tersebut, dalam analisis kinerja jalan menggunakan piranti KAJI, bisa memungkinkan luaran kinerja lalu lintas kurang akurat.
Potensi Sifat Ekspansif Tanah Kelempungan
M. Suherman
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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During the reconnaissance and preliminary stage of a project, identification of expansif clay soils is essential to allow for appropriate sampling, testing and design stages. The inve stigation must actually comprise two important phases. The first is recognition and identification of the soil as expansive soil and the second is for design prediction. The common identification methods are based on standard classification result, such as grain size analysis and Atterberg limits, however other tests used in identifying potentially swelling soils are also available.
Pemanfaatan Pasir Kuarsa Sebagai Lapis Pondasi Jalan
Iriansyah. AS
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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"Quartz" sand is a potensial resourse as a road material especially in the areas where aggregates are unavailable "Quartz" sand can be found in may areas in Indonesia, but it has not been fully exploited. Concided with the application of asphalt emulsion technology with cold mix, a research has been conducted on "Quartz" sand as subbase with asphalt emulsion mixture as binder (sand base emulsion). "Quarrtz" sand used for research was taken from many areas such as Central Kalimantan, central Sulawesi, and East Java. As comparison to the quality of "Quartz" sand mixture, the sand ex Cimalaka of West Java was used. The test result showed that the mixture, of "Quartz" sand is not significantly different from sand of Cimalaka which has a better quality. Voids is "Quartz" sand mixture were generally bigger than Cimalaka sand, this is due to the nearly uniform gradation of "Quartz" sand. Local "Quartz" sand as subbase material has been experimented in the two km road project of Kasongan - Palataran (km 50 + 000 - 52 + 000) Central Kalimantan. The addition of 1 to 2% of cement can improve the properties of sand base emulsion mixture
PREDIKSI UMUR RENCANA PERKERASAN DENGAN MELAKUKAN PELAPUKAN ASPAL JANGKA PENDEK DAN JANGKA PANJANG SIMULASI DI LABORATORIUM
Tjitjik W Suroso
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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The life of asphalt in pavement dependson asphalt resistence used gainst aging during heating and mixing in asphalt plant and service impacted by weather, sun shine, oxidation and asphalt layer thichness.Asphalt aging occurs during heating and mixing is category zed as shout term aging, and the second to pavement service lipe.The article present the result of short term asphalt aging laboratoryresearch with specimen thickness of 3,4,7.5,9,10.5 and 12 µ using RTFO (Rolling thin Film Oven) describing asphalt aging and hardening after asphalt taken out of asphalt mixing plant. Far long term aging, pressure, aging vessel (PAV) was used to take simulation test. This method can be applied to predict asphalt life in pavement (asphalt resistance against hearing and oxidation)Result from research can be used to predict of asphalt life in pavement using the following mathematical model :([(Pen Pav-20) + 1] x 5 years)/((Pen RTFO-Pen PAV)) Based on aging test using Pressure Aging Vessel, 5 years of asphalt life in pavement can determine the pavement life in given asphalt layer thickness in aggre gate or asphalt layer thickness in aggregate can be calculated
Penanganan Dampak Pencemaran Udara Pada Jalan Utama Pembangunan Kawasan Industri Dan Permukiman Baru
Rusdi Alimaman;
Medawati Medawati
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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In any new Industrial and settlement area it is necessary to carry out environmental assesment based on Environmental Impact Anlysis Study (EIA) which is stimulated in Goverment Ordinance (PP) number 27, 1999. In handling air pollution impact to pre-construction in sample industrial village of Serang and settlment city of Cimahi reffering the air pollution level exceeded maximum, hence it is categorized as negative not important. To condition know and after constructionn, handling air pollution in main road with to plaint Angsana (Pterocarpus indicus), Bougenvile (ougenvilea spectabilis) and Flamboyan (Delonix regia).
Prediksi umur rencana perkerasan dengan melakukan pelapukan aspal jangka pendek dan jangka panjang simulasi di laboratorium
tjitjik wasiah suroso
Jurnal Jalan-Jembatan Vol 22 No 2 (2005)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan
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Umur aspal di perkerasan jalan sangat tergantung dari ketahanan aspal yang digunakan terhadap pelapukan baik selama pemanasan dan pencampuran diunit pencampur aspal dan selama masa pelayanan yang diakibatkan oleh pengaruh cuaca , sinar matahari dan oksidasi serta tebal lapisan aspal terhadap aggregat Pelapukan aspal selama pemanasan dan pencampuran dikategorikan pelapukan jangka pendek, sedang pelapukan aspal selama masa pelayanan disebut pelapukan jangka panjang yang erat kaitannya dengan masa pelayanan perkerasan jalan. Tulisan ini merupakan hasil penelitian aspal dengan ketebalan contoh 3, 5, 7.5 , 9, 10.5 dan 12 p yang dilakukan pelapukan jangka pendek yang dilaboratorium menggunakan alas RTFO ( Rolling thin Film Oven ) yang menggambarkan pelapukan / pengerasan aspal setelah aspal keluar dari Unit pencampur aspal, dan pelapukan jangka panjang dengan a/at Pressure Aging Vessel ( PAV) yang merupakan tes simulasi di laboratorium, untuk memprediksi umur aspal sampai mengalami pelapukan di perkerasan jalan. Dengan demikian setiap aspal yang akan digunakan untuk perkerasan jalan dengan menggunakan metoda ini dapat diprediksi umur pelayanannya (ketahanan aspal terhadap pemanasan dan oksidasi). Dari penelitian ini untuk menentukan perkiraan umur aspal diperkerasan jalan sampai aspal mengalami pelapukan dapat diusulkan menggunakan model matematis sebagai berikut : Umur perkiraan aspal di perkerasan jalan = ( Pen Pav — 20 ) + 1 J x 5 tahun ( Pen RTFO - Pen PAV ) Dengan dasar umur aspal setelah pengujian pelapukan melalui alat Pressure Aging Vessel sama dengan 5 th umur aspal pada perkerasan jalan sehingga dapat ditentukan umur perkerasan pada tebal lapisan aspal terhadap aggregat yang te/ah ditetapkan atau sebaliknya dengan umur pelayanan perkerasan jalan yang ditentukan maka tebal lapisan aspal terhadap aggregat dapat dihitung.