{"title":"PENGARUH SERAT BAJA (DRAMIX) TERHADAP KUAT LENTUR PADA ROLLER COMPACTED CONCRETE (RCC)","authors":"Adi Sampurno, Iman Satyarno, Agus Taufik Mulyono","doi":"10.21831/INERSIA.V15I1.24862","DOIUrl":null,"url":null,"abstract":"ABSTRACTRigid pavement for highways in Indonesia started as an alternative for road pavement. Roller compacted concrete (RCC) is one type of dry concrete mixture with low water cement ratio (slump <5 cm). The RCC spreading is the same as the asphalt concrete pavement that uses the finisher and is compacted using a roller. This research uses RCC mix design with cement water factor value 0,25. Additional silicafume materials of 10%, superplasticizer 2.4%, and steel fiber (dramix) with variations of 0.5% and 1%. RCC Compaction using standard proctor tools. Testing of bending forces and compression of concrete in 1 day and 28 days. The result of research of RCC variation of 0.5% steel fiber and 1 day old concrete obtained Flexural Strength of 4,2 MPa while 28 days concrete gained Flexural Strength of 5,7 MPa. The variation of 1% steel fiber 1 day concrete obtained 3.4 MPa Flexural Strength, while the 28 days concrete obtained 6.1 MPa Flexural Strength.Keywords: Roller Compacted Concrete (RCC), Steel Fiber (dramix), Flexural Strength ABSTRAKPerkerasan kaku di Indonesia semakin banyak digunakan sebagai alternatif perkerasan jalan raya. Roller Compacted Concrete (RCC) atau beton padat giling (BPG) merupakan salah satu jenis campuran beton kering dengan faktor air semen (FAS) yang rendah (slump <5 cm). Penghamparan RCC sama seperti penghamparan perkerasan beton aspal yang menggunakan finisher dan dipadatkan menggunakan roller. Kajian ini menggunakan mix design RCC dengan nilai faktor air semen 0,25. Bahan tambah silicafume sebesar 10%, superplasticizer 2,4%, dan serat baja (dramix) dengan variasi 0,5% dan 1%. Pemadatan RCC menggunakan alat standar proctor. Pengujian kuat lentur pada beton umur 1 hari dan 28 hari. Hasil kajian RCC variasi serat baja 0,5% beton umur 1 hari diperoleh kuat lentur 4,2 MPa, sedangkan beton umur 28 hari diperoleh kuat lentur 5,7 MPa. Variasi serat baja 1% beton umur 1 hari diperoleh kuat lentur 3,4 MPa, sedangkan beton umur 28 hari diperoleh kuat lentur 6,1 MPa. Kata kunci: Roller Compacted Concrete (RCC), Beton Padat Giling (BPG), Serat baja (dramix), Kuat lentur ","PeriodicalId":440737,"journal":{"name":"INERSIA: lNformasi dan Ekspose hasil Riset teknik SIpil dan Arsitektur","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"INERSIA: lNformasi dan Ekspose hasil Riset teknik SIpil dan Arsitektur","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21831/INERSIA.V15I1.24862","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
ABSTRACTRigid pavement for highways in Indonesia started as an alternative for road pavement. Roller compacted concrete (RCC) is one type of dry concrete mixture with low water cement ratio (slump <5 cm). The RCC spreading is the same as the asphalt concrete pavement that uses the finisher and is compacted using a roller. This research uses RCC mix design with cement water factor value 0,25. Additional silicafume materials of 10%, superplasticizer 2.4%, and steel fiber (dramix) with variations of 0.5% and 1%. RCC Compaction using standard proctor tools. Testing of bending forces and compression of concrete in 1 day and 28 days. The result of research of RCC variation of 0.5% steel fiber and 1 day old concrete obtained Flexural Strength of 4,2 MPa while 28 days concrete gained Flexural Strength of 5,7 MPa. The variation of 1% steel fiber 1 day concrete obtained 3.4 MPa Flexural Strength, while the 28 days concrete obtained 6.1 MPa Flexural Strength.Keywords: Roller Compacted Concrete (RCC), Steel Fiber (dramix), Flexural Strength ABSTRAKPerkerasan kaku di Indonesia semakin banyak digunakan sebagai alternatif perkerasan jalan raya. Roller Compacted Concrete (RCC) atau beton padat giling (BPG) merupakan salah satu jenis campuran beton kering dengan faktor air semen (FAS) yang rendah (slump <5 cm). Penghamparan RCC sama seperti penghamparan perkerasan beton aspal yang menggunakan finisher dan dipadatkan menggunakan roller. Kajian ini menggunakan mix design RCC dengan nilai faktor air semen 0,25. Bahan tambah silicafume sebesar 10%, superplasticizer 2,4%, dan serat baja (dramix) dengan variasi 0,5% dan 1%. Pemadatan RCC menggunakan alat standar proctor. Pengujian kuat lentur pada beton umur 1 hari dan 28 hari. Hasil kajian RCC variasi serat baja 0,5% beton umur 1 hari diperoleh kuat lentur 4,2 MPa, sedangkan beton umur 28 hari diperoleh kuat lentur 5,7 MPa. Variasi serat baja 1% beton umur 1 hari diperoleh kuat lentur 3,4 MPa, sedangkan beton umur 28 hari diperoleh kuat lentur 6,1 MPa. Kata kunci: Roller Compacted Concrete (RCC), Beton Padat Giling (BPG), Serat baja (dramix), Kuat lentur
摘要:印尼高速公路的网格路面最初是作为道路路面的替代方案。碾压混凝土(RCC)是一种低水灰比(坍落度<5 cm)的干混混凝土。碾压混凝土铺装与沥青混凝土路面相同,使用涂饰剂并使用压路机压实。本研究采用水泥水系数为0,25的碾压混凝土配合比设计。添加10%的硅酸盐材料,2.4%的高效减水剂和0.5%和1%变化的钢纤维(dramix)。使用标准proctor工具压实碾压混凝土。混凝土1天和28天的弯曲力和压缩力测试。研究结果表明,0.5%钢纤维与1天龄期混凝土的碾压混凝土抗折强度为4.2 MPa, 28天龄期混凝土的抗折强度为5.7 MPa。1%钢纤维变化1天混凝土的抗折强度为3.4 MPa, 28天混凝土的抗折强度为6.1 MPa。关键词:碾压混凝土(RCC),钢纤维(dramix),抗弯强度碾压混凝土(RCC)具有抗塌塌性(BPG),抗塌塌性(FAS)具有抗塌塌性(坍落度<5 cm)。Penghamparan RCC sama seperti Penghamparan perkerasan beton aspal yang menggunakan整理机dan dipadatkan menggunakan压路机。喀坚尼蒙古纳坎碾压混凝土配合比设计,2005年,登干尼莱风干因子。巴哈坦巴硅酸盐10%,高效减水剂2.4%,丹serat巴哈(dramix)丹干variasi 0.5%丹1%。Pemadatan RCC孟古纳坎标准监控仪。企鹅kuat lentur pada beton umur 1 hari dan 28 hari。Hasil kajian RCC variasi serat baja 0,5% - umur 1 hari diperoleh kulent4,2 MPa, sedangkan - umur 28 hari diperoleh kulent5,7 MPa。Variasi serat baja 1% beton umur 1 hari diperoleh kuat lentur 3,4 MPa, sedangkan beton umur 28 hari diperoleh kuttlentur 6,1 MPa。Kata kunci:碾压混凝土(RCC), Beton Padat Giling (BPG), Serat baja (dramix), Kuat lentur