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All Journal Akselerasi Jurnal Ilmiah Teknik Sipil Jurnal Penelitian Rumpun Ilmu Teknik
Vella Anggreana
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Transportation

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ANALISA TEBAL PERKERASAN JALAN DI TANJAKAN MENGGUNAKAN METODE AASHTO 1993 Vella Anggreana
Akselerasi Vol 2, No 2 (2021): Februari
Publisher : Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/aks.v2i2.2756

Abstract

Perkerasan pada umumnya menggunakan bahan campuran dari aspal dan juga memiliki sifat elastis jika menerima beban di atasnya. Sampai saat ini belum ada rumus khusus yang dibuat untuk merencanakan tebal perkerasan di tanjakan, padahal perkerasan jalan ditanjakan akan berbeda kondisinya dibandingkan dengan perkerasan dijalan datar sehingga kebutuhan tebal perkerasannya pun tidak sama. Untuk itu akan dihitung berapa ketebalan perkerasan jalan tersebut baik itu di jalan datar maupun ditanjakan menggunakan rumus AASHTO 1993. Dari hasil analisa nilai Modulus Resilien (MR) berdasarkan nilaiCBR, didapat nilai MR pada jalan datar sebesar 6447,34 psi, sedangkan nilai MR pada jalan tanjakan sebesar 4144,27 psi.Hasil yang didapat dari perhitungan pada kedua kondisi tersebut memberikan nilai ketebalan lapisan yang berbeda. Untuk perkerasan di jalan datar didapat tebal ATB = 11 cm, Base A = 14 cm, dan Base B = 40 cm, sedangkan untuk perkerasan ditanjakan didapat tebal ATB = 12 cm, Base A = 13 cm, Base B = 60 cm. Selain itu dihitung juga nilai Modulus Elastis (E) tanah dasar dari kedua kondisi jalan, yaitu jalan datar didapat nilai E = 68,711 psi dan nilai E di jalan tanjakan E = 62,586 psi. Dari hasil analisa tersebut, dapat disimpulkan bahwa dengan Metode AASHTO’ 1993 ketebalan perkerasan pada jalan datar dan jalan tanjakan menghasilkan perbedaan nilai ketebalan perkerasan yang signifikan. Oleh karena itu, diharapkan agar perencana lebih teliti lagi apabila merencanakan suatu perencanaan jalan sehingga perkerasan tersebut tidak cepat rusak. disamping itu juga disarankan agar Bina Marga mempunyai metode khusus untuk merencanakan tebal perkerasan jalan di tanjakan.Kata kunci: Metode AASHTO 1993, perkerasan jalan di tanjakan.
PENGARUH PENAMBAHAN ABU LIMBAH PEMOTONGAN KAYU SEBAGAI PENGGANTI FILLER TERHADAP KARAKTERISTIK MARSHALL PADA CAMPURAN ASPHALT CONCRETE-BINDER COURSE (AC-BC) Vella Anggreana; Dino Hardian
Akselerasi : Jurnal Ilmiah Teknik Sipil Vol 6, No 1 (2024): Juli
Publisher : Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/aks.v6i1.11159

Abstract

Most filler materials are natural products such as stone ash which is increasingly limited in quantity and has a high economic value. For this reason, it is necessary to innovate by using alternative replacement materials in the form of waste such as sawdust in an effort to obtain a more economical replacement material and the amount in the field is still large. The purpose of this study was to determine the effect of using wood cutting waste ash filler in AC-BC mixture. This research was conducted using the 2018 Bina Marga Specifications and using the Marshall Test method. The percentage of wood cutting waste ash used was 0%, 10%, 20%, 30%, and 40%. Based on the research results, the optimum asphalt content is 5.8%. The greater the mixture of wood cutting waste ash filler composition, the lower the VMA and VIM values, while the higher the VFA value. The VMA, VFA and Stability values still meet the requirements of the 2018 Bina Marga Specifications. VIM and flow values increased and decreased in each variation of kulim wood ash mixed. For the stability value in the 0% and 10% variations of the culim wood ash mixture, it increased from 1815.261 - 1863.761Kg, but in the 20% - 40% variation it decreased from 1551.979 - 1281.768Kg but still met the requirements of the 2018 Bina Marga General Specifications. The flow value in the 0% and 10% variations increased from 3.20 - 3.87mm, but the 20% - 40% variation also experienced an increase that exceeded the maximum limit of the 2018 Bina Marga Specifications from 4.03 - 4.70mm. In all of the kulim wood ash filler compositions used, only the 0% and 10% variations of kulim wood ash met the requirements of the 2018 Bina Marga General Specifications. Meanwhile, the maximum composition of the culim wood ash filler mixture was obtained in the 10% culim wood ash variation with a VMA value of 16.995%, VIM of 3.891%, VFA of 77.102%, Stability of 1863.761 Kg and Flow of 3.87 mm.
Kajian Efektifitas Penggunaan Abu Sekam Padi sebagai Bahan Stabilisasi pada Tanah Lempung terhadap Nilai CBR Vella Anggreana; Rasyidah Rasyidah
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 3 No. 1 (2024): Februari : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v3i1.3523

Abstract

One type of soil that has many problems in a construction development is clay soil. Clay soil originating from Jl. Abdul Rahman Hamid, Tenayan Raya District, Pekanbaru has a problem where there are cracks and waves on the road due to non-uniform subsidence. To deal with problems in the soil one way that can be done is by stabilization. The purpose of this study was to determine to determine the effect of a mixture of rice husk ash on the CBR value and to find the optimal mixture. The research uses the laboratory test method, by testing CBR on variations of the rice husk ash mixture amounting to 4%, 7%, and 10% of the dry weight of the soil with unfermented conditions, 7 days of incubation and 4 days of soaking. The effect of using rice husk ash on the value of CBR in unfermented conditions increased in the 4% and 7% rice husk ash mixture, but decreased in the 10% rice husk ash mixture. The influence of the use of rice husk ash mixture on 7-day fermentation increases the CBR values. Whereas in immersion conditions, the CBR value tends to decrease with increasing rice husk ash levels. The optimal mixture in CBR occurred in a mixture of 10% rice husk ash with a 7-day fermentation condition of 12.85%. Thus, it is concluded that the use of the percentage of the mixture as well as the length of the soaking and soaking days used can affect the CBR value of the soil.
Co-Authors Dino Hardian Rasyidah Rasyidah