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Lampung
INDONESIA
Jurnal Rekayasa Sipil dan Desain
Published by Universitas Lampung
ISSN : 23030011     EISSN : 27150690     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 840 Documents
 58   59   60   61   62 
Analisa Kelongsorang Lereng Akibat Dari Peningkatan Kadar Air YangTinggi Rinaldi, Muhamad Rizki; Afriani, Lusmeilia; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1432

Abstract

The level of slope safety is influenced by several factors. Such as slope conditions with largeloads, steep slopes and heavy rain conditions. This often results in landslides around the TransSumatra toll road, Pematang Panggang. So that around the slopes reinforcement is needed so thatthe slopes are more stable.Based on the results of laboratory tests and research in the field, the results of the calculation ofthe slope safety value program with a 30% saturation degree condition, the safe factor value is1.2946, the degree of saturation 40%, the safe factor value is 1.2881 and the degree of saturationis 60%, the safety factor value is equal to 1,2761. Because the lowest safe factor value is at 60%saturation degree, slope stability is handled at 60% saturation degree, which is strengthened bythe cutting method on the slope body and using sheet pile to get slope reinforcement. Two methodsof handling slope stability were carried out. From the comparison of slope stability handling with60% degree of saturation, the safe slope conditions are in handling one because there is nosubsidence and soil displacement to the free slope area.
Tinjaun Undang-Undang dan Peraturan Presiden Terhadap Contract Change Order Proyek Perpustakaan Modern Lampung Akibat Rasionalisasi Anggaran Pemilik Proyek Sanjaya, Deddy; Kustiani, Ika; Siregar, Amril Maruf; Situmorang, Napoli
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1437

Abstract

The Library Building is one of the Infrastructure that provides various sources of information to improve the intelligence of human resources in a region. This research focuses on the analysis of statutory regulations and the scope of work, costs, time and quality. The focus of the research is the process of analyzing the justification for changes in the volume of work after the rationalization of the budget is reviewed based on Law No. 2/17 concerning Construction Services and Presidential Regulation of the Republic of Indonesia No. 2/18 concerning Government Procurement of Goods / Services. The result of this analysis is that the Construction Work Contract Article 47 paragraph 1 letter b is the regulation rules of the  UUJK which are used as a reference as budget rationalization and work changes are allowed and regulated in Presidential Regulation article 54. This Contract Change Order has a significant volume increase in structural work, due to The lack of accuracy in calculating the initial planning consultant and there are seven specifications for changes in architecture work items façade. The result of this budget rationalization was also a change in the budget for the construction of the Modern Library of Lampung Province from Rp62,384,405,000.00 to Rp55,746,000,000.00 and there was no additional time for completion of work. This project does not cause a dispute because both parties have agreed to change the volume and work items.
Evaluasi Diameter Partikel Tanah Terhadap Derajat Kepadatan Tanah Menggunakan Metode Tekanan Adyaksa, R. Nofan Hendra; Adha, Idharmahadi; Setyanto, Setyanto
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1445

Abstract

Soil is a material to build any infrastructure. So, soil becomes very important and influential in construction. Soil quality determine the power of construction on it, the good soil is soil that has a high density in each particles and contain less water levels. The quality of soil is depending on physic and mechanic soil condition, that’s why we need to test it out. Soil compaction is process of increasing the soil density by reducing the particles proximity so it can reduce the air volume. Compaction is divided into four types. In this research is using two types of compactions that are type A and Type C with purpose to find out the effect of soil particles diameter by passing sieve analysis to soil compaction.Compaction is done based on blow method and pressure method. In pressure method is using modification compaction tool with 5 Mpa, 10 Mpa, and 15 Mpa pressures.The result of this research can be conclude that the blow method compaction type A has a higher water content than type C, but the value of maximctum dry volume weight Type C higher than type A. In pressure method it can be concluded that as the higher pressure so the water content and the maximum dry volume weight are also getting higher.
Karakteristik Campuran Aspal Panas Menggunakan Bahan Campuran RAP (Reclaimed Asphalt Pavement) Pada Berbagai Ukuran Agregat Nominal Mega, Ulfa Citra; Putra, Sasana; Karami, Muhammad
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1447

Abstract

RAP (Reclaimed Asphalt Pavement) is the residual pavement that has been damaged or out of date. RAP can be reused as a basic material for flexible pavement with the addition of new aggregate material and asphalt, to fulfill the quality and specifications of flexible pavement. This study aime to determine the quality of hot mix asphalt at various nominal aggregate sizes that made from RAP (Reclaimed Asphalt Pavement). The results of the study obtained the maximum stability value on the use of RAP 20% in AC-WC obtained 1588,829 kg, while for the use of RAP 22% on AC-BC obtained 1799,405 kg and for RAP on AC-Base 28% has a maximum stability value amounting to 2285,571kg. The three types of mixtures have mixed characteristics and marshall characteristics that fulfill the General Specifications of Bina Marga. The Optimum Asphalt Content value for the percentage of RAP use of 20% in AC-WC was 5.8%. Whereas for the use of 22% RAP on AC-BC, the Optimum Asphalt Content value was 5.45% and the use of RAP on AC-Base 28% was obtained by the Optimum Asphalt Containt value of 4.9%. The greater the nominal aggregate size of the hot  asphalt type, the greater the percentage of RAP (Reclaimed Asphalt Pavement) required . Keyword : RAP (Reclaimed Asphalt Pavement), Hot Mix Asphalt, Optimum Asphalt Containt
Peran Semen Portland Tipe I dan Portland Komposit Atas Ketidaksesuaian Perkembangan Kuat Tekan Pada Beton Normal Terhadap PBI 1971 Yonanda, Prima Sandy; DWSBU, Chatarina Niken; Noorhidana, Vera Agustriana
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1452

Abstract

The code about concrete compressive strength progress is presented on Table 4.1 of PBI 1971. But the concrete compressive strength development in many current concrete construction projects often face one similar major problem which is the incompability between concrete compressive strength progress compared to PBI 1971. To identify that problem, this research was done by creating 160 cube concrete samples from OPC and 120 cube concrete samples from PCC by using 4 different PCC and OPC brands that consist of Dynamix, Baturaja, Tigaroda and Padang. Moreover, the samples are consists of 2 different targeted concrete compressive strength which are K250 and K400 and the samples were tested in the age of 7, 14, 21, 28 and 56 days. Aside of that, the chemical properties in each of used cements that consist of Tricalcium Silicate (C3S), Dicalcium Silicate (C2S), Tricalcium Aluminate (C3A) and Tetracalcium Aluminoferrit (C4AF) were also tested to identify the impact of chemical properties of cements to the compressing strength progress of all samples.Based on the research, it was identified that the chemical properties of cements that consist of C3S, C2S, C3A and C4AF were very influential in the process of compressive strength progress of all samples. In addition, the coeffiecients presented on SNI-15-2049-2015 Chapter 5 Table 5 used to calculate the percentage of C3S, C2S, C3A and C4AF need further reviews. Last, it was known that the compressing strength development of both OPC and PCC samples were not aligned to the PBI 1971 estimation. Besides, the procedure of all samples have followed the British Standard and ASTM regulation. In conclution, based on the research PBI 1971 was no longer relevant to be used as the reference for concrete compressing strength progress. Keywords: Concrete, compressive strength progress, cement chemical properties, incompability, tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite.
Analisis Hubungan Antara Volume,Kecepatan Dan Kepadatan Terhadap Jalan Perkotaan Studi Kasus Jalan Zainal Abidin Pagar Alam Bandar Lampung Juliend m, Andya Firgi; Herianto, Dwi; Putra, Sasana
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1457

Abstract

AbstrakPerkembangan transportasi yang pesat pasti selalu muncul permasalahan lalu lintas yang kompleks dalam sarana dan prasarana transportasi, terutama pada transportasi perkotaan. Tujuan dari penelitian ini untuk menganalisis karakteristik jalan dan mengetahui hubungan antara volume, kecepatan dan kepadatan pada jalan perkotaan yang ada di Bandar Lampung jalan Zainal Abidin Pagar Alam.Penelitian ini menggunakan model Greenshield sebagai metodenya. Metode ini mendapatkan hasil bahwa hubungan antara kecepatan dan kepadatan bersifat linier sehinggadapat melihat bagaimana pola hubungan antara kecepatan, kepadatan dan volume.Hasil dari penelitian ini didapat volume arus lalu lintas puncak terjadi pada pagi dan sore hari sebesar 15528,75 smp/jam arah menuju unila dan 1313,06 smp/jam menuju kedaton pada pagi hari. Kecepatan lalu lintas tertinggi terjadi pada pagi dan sore hari sebesar 22,25 km/jam menuju arah unila dan 28,29 km/jam menuju arah kedaton dan kepadatan lalu lintas tertinggi terjadi pada pagi dan sore hari yaitu sebesar 617,09 smp/km menuju arah kedaton dan 752,91 smp/km menuju arah unila pada pagi hari. Kata kunci:Greenshield;JalanPerkotaan;Hubungan Volume 
Perilaku deformasi batuan lapuk ditinjau dari uji 1-D compression slaking test Laila, Ibnu Abi; Putra, Andius Dasa; Syah, Aminudin
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1463

Abstract

Tujuan penelitian ini adalah mengetahui perilaku deformasi akibat crushing dan slaking melalui uji 1-D Compression Slaking Test terhadap batuan lapuk. Slaking merupakan keadaan tanah atau batuan yang tidak dapat mempertahankan konsistensinya akibat adanya gangguan air.  Penelitian ini dilakukan pada sampel batuan lapuk melalui pengujian 1-D Compression Slaking Test dan pengujian X-Ray Diffraction (XRD) untuk mengetahui mineral yang terkandung pada setiap batuan. Uji 1-D Compression Slaking Test dilakukan pada tekanan sebesar 9,8; 19,6; 39,2; 78,5; 157; 314 kPa. Hasil pengujian 1-D Compression Slaking Test didapatkan perilaku deformasi yang diakibatkan crushing(∆e1) optimum terjadi pada batuan Bukit Kemuning sebesar 0,510 dan perilaku deformasi yang diakibatkan slaking(∆e2) optimum terjadi pada batuan Pemancar sebesar 0,483.
Analisis Perbandingan Data Pemodelan Pasang Surut BIG Dengan Data Pengukuran Pasang Surut UHSLC Pada Stasiun Tanjung Lesung Sitanaya, Brigitha Cindy; Zakaria, Ahmad; Winarno, Dwi Joko
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1466

Abstract

Data pasang surut diperlukan untuk menentukan elevasi bangunan pantai. Badan Informasi Geospasial (BIG) telah menyediakan data pemodelan pasang surut yang dapat diunduh secara gratis. Namun untuk mengetahui keakuratannya, dilakukan perbandingan data BIG dengan data pengukuran tide gauge yang dipublikasikan oleh University of Hawaii Sea Level Centre (UHSLC). Data yang digunakan yaitu data pasang surut 30 harian dari stasiun Tanjung Lesung periode waktu 2008-2012 yang dianalisis menggunakan metode Least Squares dan 9 komponen harmonik pasang surut melalui program ANFOR. Hasil analisis ANFOR diolah sehingga didapat nilai penyimpangan serta keakuratan dari data pasang surut yang dibandingkan. Dari hasil penelitian ini, didapat nilai penyimpangan berdasarkan elevasi yaitu 3,3906 %, nilai koefisien korelasi langsung berdasarkan elevasi sebesar 0,9673, nilai penyimpangan berdasarkan amplitudo komponen pasut K1 sebesar 15,7853 %, O1 sebesar 4,8253 %, P1sebesar 28,1752 %, M2 sebesar 3,2388 %, S2 sebesar 10,6345 %, N2 sebesar 10,5147 %, K2 sebesar 41,3055 %, M4sebesar 97,4340 %, dan MS4 sebesar 97,2310 %, sementara nilai koefisien korelasi berdasarkan amplitudo komponen pasut yaitu 0,9898. Maka dapat ditarik kesimpulan bahwa antara data pemodelan BIG dan data pengukuran UHSLC memiliki tingkat keakuratan tinggi.
Analisis Perbandingan Data Pemodelan Pasang Surut BIG Dengan Data Pengukuran Pasang Surut UHSLC Pada Stasiun Sadeng Ayuningsih, Titik; Zakaria, Ahmad; Kusumastuti, Dyah Indriana
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1481

Abstract

Penelitian ini bertujuan menganalisis karakteristik pasang surut dan membandingkan data peramalan pasang surut dengan data terukur. Data yang digunakan merupakan data pasang surut jam-jaman periode tahun 2011-2015 yang diunduh dari website BIG dan UHSLC pada wilayah stasiun Sadeng, Provinsi Daerah Istimewa Yogyakarta. Data yang digunakan untuk setiap analisis adalah data 30 harian atau 720 jam. Hasil perbandingan dalam penelitian ini diperoleh berdasarkan analisis data elevasi langsung dan besaran nilai amplitudonya. Untuk besaran nilai amplitudo komponen pasang surut didapatkan menggunakan program ANFOR yang mengaplikasikan metode Least Square. Berdasarkan pada hasil penelitian dapat diketahui bahwa tipe pasang surut yang terjadi pada stasiun Sadeng tergolong pasang surut campuran condong harian ganda. Berdasarkan data elevasi langsungnya, nilai kesalahan relatif dari perbandingan kedua sumber data sebesar 5,7748 % dengan selisih elevasi rata-rata 15,99 cm. Nilai koefisien korelasi langsung berdasarkan elevasinya sebesar 0,9838. Sedangkan berdasarkan perbandingan amplitudo komponen pasang surutnya didapatkan nilai kesalahan relatif yang bervariasi sebagai berikut: K1 sebesar 7,8981 %, O1 sebesar 3,8318 %, P1 sebesar 23,2832 %, M2 sebesar 1,8287 %, S2 sebesar 6,0048 %, N2 sebesar 5,8659 %, K2 sebesar 15,7505 %, M4 sebesar 95,0682 % dan MS4 sebesar 94,9316 %. Dari analisa amplitudo data peramalan pasang surut diperoleh korelasi sebesar 0,9977.
Pengaruh perubahan ukuran partikel pada batuan lapuk akibat fenomena slaking Azis, M Irvani; Putra, Andius Dasa; Syah, Aminudin
Jurnal Rekayasa Sipil dan Desain Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1485

Abstract

Salah satu penyebab batuan mengalami perubahan bentuk yaitu adanya Slaking. Slaking merupakan keadaan tanah atau batuan yang tidak dapat mempertahankan konsistensinya akibat adanya gangguan air. Tujuan penelitian ini yaitu mengetahui mineral penyusun batuan lapuk, dan mengetahui perubahan ukuran partikel batuan lapuk melalui uji Accelerated Slaking Test. Penelitian ini dilakukan dengan pengujian Accelerated Slaking Test melalui 5 siklus basah-kering (Wetting and Drying), dan pengujian X-Ray Diffraction (XRD). Sampel yang digunakan yaitu batuan lapuk di Kecamatan Lemong dan Kecamatan Pemancar (Kabupaten Pesisir Barat), Kecamatan Semaka (Kabupaten Tanggamus), Kecamatan Padang Cermin (Kabupaten Pesawaran), Kecamatan Teluk Betung (Kota Bandar Lampung), Kecamatan Bukit Kemuning (Kabupaten Lampung Utara), dan Kecamatan Poncowarno (Kabupaten Lampung Tengah). Berdasarkan pengujian Accelerated Slaking Test didapatkan batuan yang tahan terhadap Slaking secara berurutan yaitu batuan Lemong, Poncowarno (1), Teluk Betung Padang Cermin, Bukit Kemuning, Semaka (1), Pemancar, Poncowarno (2), dan Semaka (1). Ketahanan batuan terhadap Slaking dipengaruhi oleh jenis dan mineral penyusun batuan. Kata Kunci: Slaking, XRD, Accelerated Slaking Test, Wetting and Drying, Batuan Lapuk.

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