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POLA SEBARAN EROSI DAN SEDIMENTASI SUNGAI SEKANAK Syarifudin, Achmad; Febriansyah, Dinar; Destania, Henggar Ria
Jurnal Teknik Sipil Vol 8 No 1 (2018): Jurnal Teknik Sipil
Publisher : Civil Engineering Study Program Faculty of Engineering, University of Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (60.514 KB) | DOI: 10.36546/tekniksipil.v8i1.156

Abstract

Sebagai salah satu sumber daya, potensi yang terkandung dalam air dapat memberikan manfaaat ataupun kerugian bagi kehidupan dan penghidupan manusia serta lingkungannya. Perubahan fungsi lingkungan yang disebabkan oleh laju pertumbuhan jumlah penduduk,serta meningkatnya aktivitas masyarakat dalam memenuhi kebutuhan hidup,telah berdampak negatif terhadap kelestarian sumber daya air,serta meningkatnya perubahan sungai akibat daya rusak air yang disebabkan antara lain berupa banjir,erosi dan sedimentasi. Penelitian bertujuan untuk menghitung besarnya total bedload serta pola erosi dan sedimentasi yang terjadi di muara sungai Sekanakdengan pendekatan model fisik pada saluran di laboratorium Fakultas Teknik Universitas Bina Darma Palembang dengan dimensi sungai dibuat skala laboratorium. Hasil penelitian dapat disimpulkan bahwa besarnya total bedload yang terjadi pada muara sungai Sekanak adalah sebesar 105,926 m3/hari atau 6720 m3/tahun dengan hasil ini maka direkomendasikan juga periode waktu pengerukan adalah minimal 29 bulan atau 2 tahun sekali sedangkan pola pergerakkan sedimen yang terjadi berbentuk chute and pool.
Optimasi Campuran Aspal Lapis Aus (AC-WC) melalui Substitusi Ban Bekas dan Additive Anti-Striping Febriansyah, Dinar; Firdaus, Firdaus
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.840

Abstract

Used vehicle inner tire waste is natural rubber that has gone through a manufacturing process and has gone through the addition of certain mixtures and then molded into the form of inner tires for motorized vehicles. Used motor vehicle inner tires come from various materials such as natural rubber, synthetic rubber, chemicals, carbon black and certain oils. The properties of rubber are that it is strong and flexible or elastic. The remains of these used vehicle inner tires can be used as additional material for the wear layer mixture (AC-WC). The aim of this research is to determine the effect of using used tires on the wear layer mixture (AC-WC). The research method involves the preparation of several AC-WC asphalt mixtures with varying ratios of used tire powder and the addition of anti-tiping additives. The resulting asphalt mixture is then tested using various laboratory tests, including stability, durability and density tests, voids in the mixture (VIM), air voids in the mix (VMA), voids filled with asphalt melting asphalt (VFA). Based on the results of Marshall parameter testing in terms of variations in used tire substitution, it can be concluded that the influence of the stability value on optimum tire rubber lies in the percentage at 2%, because at that time the Marshall stability value increased by a value of 1130 kg compared to the stability value without additives. 1102 kg Meanwhile, the density value is 2.322 gr/cc, VIM is 3.70%, VMA is 16.72%, VFA is 79.36%, flow is 3.31 mm. Marshall remaining 91.67
Karakteristik Campuran Asbuton pada Lapis Aus AC-WC ada Lapis Aus AC-WC dengan Penambahan BGA B 5/20 sebagai Agregat Halus pada Aspal Pengikat 60/70 Kurnia, Andreni Octora; Firdaus, Firdaus; Febriansyah, Dinar
Jurnal Talenta Sipil Vol 8, No 2 (2025): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i2.897

Abstract

Premature pavement damage caused by heavy traffic loads remains a major challenge in Indonesia’s transportation infrastructure. One potential solution is the use of local materials such as Asbuton, particularly Buton Granular Asphalt (BGA) type B 5/20, as fine aggregate. This study aims to analyze the Marshall characteristics of Asphalt Concrete–Wearing Course (AC-WC) mixtures incorporating BGA B 5/20 and fly ash as filler. The research employed the Marshall test method on 60 specimens, with variations in asphalt content (5%–7%) and BGA composition (2%, 2.5%, and 3%) combined with 1.5% fly ash. Parameters evaluated include stability, flow, density, and Marshall Quotient (MQ). The results show that the optimum asphalt content of 6.2% provided the best performance in the mixture containing 2% BGA and 1.5% fly ash, yielding a stability of 1,755.21 kg, flow of 3.21 mm, density of 2.271 gr/cc, and residual MQ of 98.18%. All values met the Indonesian Ministry of Public Works specifications for heavy traffic pavements. In conclusion, the incorporation of BGA B 5/20 enhances the stability and deformation resistance of AC-WC mixtures, supporting the sustainable use of local materials in road construction.