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Hadi Ali
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Kepadatan Campuran dengan Variasi Tumbukkan Terhadap AC-WC Gradasi Halus Yuliansyah, Yuliansyah; Ali, Hadi; Pratomo, Priyo
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 3 No. 2 (2015): Edisi Juni 2015
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v3i2.457

Abstract

This study was conducted to determine the effect of variations in the compaction of thecharacteristics of the asphalt layer using the Marshall method which refers to the buildingspecifications of bina marga 2010. In the Marshall plan establishes parameters for the number ofcompaction of heavy traffic conditions compaction test specimen as 2x75 compaction with thecavity boundary mixture of 3,5- 5.5%. While on the asphalt concrete layer is studied AsphaltConcrete Wearing Coarse (AC-WC) subtle gradations lower limit.After the results of the testing materials testing both asphalt and aggregate meets the standardsand then do the manufacture asphalt mixture specimen. From the analysis of the value obtainedafter calculating the optimum asphalt content lower limit of 6,8%. Then used in mixing asphaltcontent for the variation of the collision is 2x50, 2x55, 2x60, 2x65, 2x70, 2x75, 2x80, and 2x85.After it was examined Marshall.From the test results on compaction Marshall 2x50, 2x55, 2x60, 2x65, and 2x70. Does not meetthe Marshall parameter value because Marshall Quotient (MQ) does not enter the specifications.While the value of voids In The Mix (VIM) in the collision 2x50, 2x55, 2x60, 2x65, and 2x70 arealso not included in the specification. Only on compaction of 2x75, 2x80 and 2x85 that meet theparameters of Marshall.Keywords : Compaction, Asphalt Concrete - Wearing Course (AC-WC) Subtle Gradation,Marshall Parameters, Bina Marga Specifications 2010.
Pengaruh Suhu Tumbukan pada Campuran Aspal Beton dengan Jenis Lapis AC-WC Gradasi Halus Wahyudi, Wahyudi; Pratomo, Priyo; Ali, Hadi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 3 No. 2 (2015): Edisi Juni 2015
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v3i2.465

Abstract

This study was conducted to determine the effect of temperature on the Marshall parameterscompaction to mix AC - WC subtle gradations central limit. Optimum Asphalt Content Value(KAO) in the study sought to use 15 samples and done in the laboratory of Highway University ofLampung. From the analysis of the Marshall parameters obtained KAO mixture is 5.7%. Marshallparameter data retrieval is done twice trials, each experiment using 2x24 samples with the sametreatment for each experiment. Compaction temperature is 120 o C-155 o C is reviewed by varasi5 o C.From the results of experiments that have been conducted, Marshall parameter valuesobtained in experiment 1 and experiment 2 is not too much different. In general, the Stability,Flow, VMA and VFA qualify specifications bina marga 2010, the MQ does not meet thespecifications of 135 o C or lower temperatures and VIM value does not meet the specifications of130 o C or lower temperatures.Based on the tendency of marshall parameter values obtained fromexperiment 1 and experiment 2 indicate that the data obtained from these experiments hasparticularly a small false possibility.Keywords: AC-WC, KAO, Marshall parameter, temperature compaction,
Studi Kuat Tekan Batu Bata Menggunakan Bahan Additive (Abu Sekam Padi, Abu Ampas Tebu dan Fly Ash) Berdasarkan Spesifikasi Standar Nasional Indonesia (SNI) Abdurrohmansyah, Abdurrohmansyah; Adha, Idharmahadi; Ali, Hadi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 3 No. 3 (2015): Edisi September 2015
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v3i3.482

Abstract

Brick is one of construction materials of building, shopping complex, real estate etc. Brick is madefrom the mixing of soil and water. In this study, the process of brick production will be tired by mixthe soil with additive materials such as rice husk ash, baggase ash and fly ash. It’s to know howbig the advantage of those additive materials and to compare the compressive strength betweenconventional brick and the brick that have mixed with rice husk ash, baggase ash and fly ash toget Indonesian National Standard for the strong and durable brick.Clay was used as the soil sample in this study. The clay is from Yoso Mulyo Village, Metro. Theadditive materials such as, rice husk ash is from Yoso Mulyo Village Metro, baggase ash is fromPT Indo Lampung Perkasa and the fly ash is from PLTU Tarahan.The result of this study show that the production of brick after burned using additive materialssuch as rice husk ash, baggase ash and fly ash, increase the compressive strength value. So, thestrength of the brick is good enough fulfilled the standard of Indonesian National StandardInstitution.Keywords: Brick, additive fly ash and rice husk ash, baggase ash, compressive strength
Co-Authors Abdurrohmansyah Abdurrohmansyah Abdurrohmansyah, Abdurrohmansyah Andriansyah Andriansyah Andriansyah Andriansyah Budi Raharjo Budi Raharjo Danu Wahyudi I Wayan Diana Idharmahadi Adha Idharmahadi Adha Istanto, Teguh Dwi Ketut Swandana Priyo Pratomo Priyo Pratomo, Priyo Suhardi Suhardi Suhardi Suhardi Tarkono Tarkono Teguh Dwi Istanto Wahyudi Wahyudi Wahyudi Wahyudi Wahyudi, Danu Yuliansyah Yuliansyah