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Jurnal Riset Rekayasa Sipil
Published by Universitas Sebelas Maret
ISSN : 25797999     EISSN : -     DOI : -
Core Subject : Social, Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science
The Journal of Research and Civil Engineering is a journal to accommodate the writings of researchers and professionals in the field of civil engineering.
Arjuna Subject : -
Articles 115 Documents
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PENGARUH POLA PADA SISTEM CAM MENGGUNAKAN METODE ELEMEN HINGGA Nur Muhammad Ariseno; Afri Medika Utama; Bambang Setiawan; Noegroho Djarwanti
Jurnal Riset Rekayasa Sipil Vol 2, No 2 (2019): Maret 2019
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (256.486 KB) | DOI: 10.20961/jrrs.v2i2.28626

Abstract

Cakar Ayam Modification System (CAM) has been widely used as one of the solutions to road pavement problems in soft subgrade, although construction costs were initially high, the total costs incurred were smaller due to small maintenance costs. This research analyzes the deflection produced in a triangle patterned CAM system and quadrilateral with variations in the distance between claws of 2.25 m. Loading uses truck loads based on SNI 1725 2016 with three different position variations each in the middle and edge of the pavement. The analysis was carried out using Finite Element Method-based software which has been proven to be able to approach the original conditions in the field. The results of the analysis show that the CAM pattern with triangular pattern is better at reducing deflection that occurs compared to quadrilateral CAM systems. The deflection difference produced by the triangular CAM system against the clawless pavement system reached 36.97% while on the quadrilateral CAM system the difference was only 28.56%.
BACK CALCULATION DETERMINATION OF THE MODULUS ELASTICITY OF LIMESTONE ROCK BASED ON PRESSUREMETER TEST DATA Yusep Muslih Purwana; Akbar Dwi Anggoro; Niken Silmi Surjandari; Pontjo Utomo
Jurnal Riset Rekayasa Sipil Vol 2, No 1 (2018): September 2018
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (842.656 KB) | DOI: 10.20961/jrrs.v2i1.24320

Abstract

Pressuremeter Test (PMT) is an in situ method of soil investigation that is used to determine the pressure and strain behavior of the soil or rock. At pseudo-elastic phase, this behavior can be described by the PMT’s output parameter, modulus presurremeter (EPMT). It has been realized for a long time that EPMT cannot be used directly to describe modulus elasticity (E) from the ground so a correction is needed. Menard and Rousseau suggested that Menard's α Factor be used to correct the value of EPMT that determined empirically according to soil type, density conditions, and deformation behavior of soil or rock when given pressure (rheological properties). Therefore, it is necessary to study PMT behavior along with Menard's α Factor values in a variety of more specific sample types. In this study Back Calculation will be performed on the value of E from PMT testing on limestone sedimentary rocks by remodeling PMT using Finite Element Method (FEM). Back Calculation is a mathematical recalculation process of estimating the value of a data from an event along with related parameters. The results of the study show that there is a good correlation between the modulus of elasticity of the results of PMT and the modulus of elasticity of the Back Calculation. Menard correction factor in this study is consistent with the results of previous research that is equal to 0.47 where this value increases with the increase in the depth of the test sample.  
PEMULIHAN KUAT TEKAN BETON RINGAN BERSERAT ALUMINIUM PASCA BAKAR DENGAN VARIASI WAKTU WATER CURING Antonius Mediyanto; Endah Safitri
Jurnal Riset Rekayasa Sipil Vol 1, No 2 (2018): Maret 2018
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1758.071 KB) | DOI: 10.20961/jrrs.v1i2.20654

Abstract

Tujuan penelitian ini adalah untuk mengevaluai pemulihan kuat tekan beton ringan berserat aluminium pasca bakar dengan variasi waktu water curing. Benda uji berupa silinder dengan diameter 150 mm dan tinggi 300 mm. Bahan penelitian : serat aluminium dengan aspek rasio sebesar 60 dengan panjang 50 mm, semen tipe I, pasir, alwa, air, dan viscocrete. Pengujian berdasarkan SK SNI S–36–1990–03. Dalam penelitian ini proses pemulihan (recovery) sampai waktu 56 hari setelah pembakaran mampu meningkatkan nilai kuat tekan sebesar 144,59% untuk beton ringan, sedangkan untuk beton ringan berserat aluminium peningkatan nilai kuat tekannya sebesar 82,26%. Hal ini berarti proses pemulihan (recovery) sampai waktu 56 hari mampu mengembalikan kekuatan beton seperti sebelum dibakar.
PEMILIHAN ALAT PANCANG MENGGUNAKAN EXPERT CHOICE Joko Yulianto
Jurnal Riset Rekayasa Sipil Vol 1, No 1 (2017): September 2017
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.27 KB) | DOI: 10.20961/jrrs.v1i1.14720

Abstract

Hampir semua konstruksi bangunan bertingkat memerlukan pondasi tiang pancang untuk mendukung beban di atasnya. Alat pancang yang dapat digunakan adalah drop hammer, single-acting hammer, double-acting hammer, differential-acting, diesel hammer, vibratory hammer, dan hydraulic jacking-in pile.Banyak faktor yang  mempengaruhi pemilihan alat pancang. Metoda AHP (Analytic Hierarchy Process) yang diaplikasikan dengan software Expert Choice (EC) dapat membantu memilih alat pancang yang cocok. Proyek pemancangan di Pabrik Gula Trangkil menggunakan alat hydraulic jack-in pile. Penelitian ini bertujuan untuk memeriksa alternatif pemilihan alat pancang menggunakan software Expert Choice (EC). Metodologi penelitian ini dibagi dalam 3 tahap yaitu tahap pertama adalah studi pustaka dan survai awal, tahap kedua adalah pengumpulan data, dan tahap ketiga adalah analisis dan kesimpulan. Pemancangan sampai kedalaman 12 m pada jenis tanah lanau menggunakan tiang pancang beton ukuran 25 x 25 cm. Hasil analisis menunjukkan bahwa alat pancang yang cocok adalah hydraulic jacking-in pile dengan tingkat kecocokan 44,5%. Sedangkan tingkat kecocokan alat yang lain adalah 28,7% untuk diesel hammer dan 26,9% untuk vibratory hammer.Kata kunci: AHP, alat pancang, EC.
PEMANFAATAN WADUK BENING/ WIDAS SEBAGAI LOKASI PEMBANGKIT LISTRIK TENAGA SURYA (PLTS) Herwangga Satria Permana; Rintis Hadiani; Solichin Solichin
Jurnal Riset Rekayasa Sipil Vol 2, No 2 (2019): Maret 2019
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.809 KB) | DOI: 10.20961/jrrs.v2i2.28630

Abstract

Electricity is a basic requirement in carrying out activities. However, over time, the electricity needs to increase but the availability of electricity is still stagnant. So that the necessary innovation of electricity generation. Solar power plants (PLTS) can be a solution to this problem. PLTS tends to require extensive land, therefore the idea of utilizing the reservoir as a PLTS location. In this penelitin selected Reservoir Bening / Widas as PLTS location. The calculation of the extent of the permit puddle needs to be done to find out how much PLTS design can be built. Furthermore, it is necessary to calculate the energy generated as well as economic feasibility analysis. The results of this study indicate that the area of permit inundation in the Bening / Widas Reservoir is 944893 m2 and PLTS which can be built as many as 20 modules with a design area of 1 module PLTS is 8000 m². The energy produced by 20 PLTS modules within 1 year is 19668.52 MWh. 
DAKTILITAS KURVATUR PENAMPANG KOLOM BETON BERTULANG TERKEKANG CINCIN BAJA Endah Safitri
Jurnal Riset Rekayasa Sipil Vol 1, No 1 (2017): September 2017
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.779 KB) | DOI: 10.20961/jrrs.v1i1.14676

Abstract

Struktur perlu didesain mempunyai daktilitas yang tinggi agar mendapatkan struktur yang relatif kuat menahan beban gempa (earthquake resistant building). Pada elemen beton bertulang, pengekangan efektif pada elemen struktur yang menerima gaya aksial tekan dominan yaitu kolom. Kekangan yang umum dipakai selama ini pada kolom adalah internal confinement. Paper ini membahas tentang external confinement sebagai alternatif lain dari pengekangan kolom. Sebagai external confinement dipakai tabung silinder baja yang dipotong dengan lebar tertentu sehingga mirip cincin baja. Efek kekangan yang berbeda pada beton didapat dari  variasi nilai rasio volumetrik cincin baja. Daktilitas kurvatur meningkat seiring dengan semakin besarnya rasio volumetrik  cincin baja. Hal ini dikarenakan semakin besar rasio volumetrik cincin baja, maka  daerah kekangan semakin luas sehingga beton mampu berdeformasi lebih besar. Meningkatnya kemampuan beton dalam berdeformasi ini akan meningkatkan daktilitas beton. Kenaikan optimum daktilitas kurvatur penampang kolom beton bertulang terkekang cincin baja tercapai pada rasio volumetrik 1,85%.Kata kunci: daktilitas kurvatur, kekangan, kolom beton bertulang
DEVELOPMENT OF STATIC ARMOUR Cahyono Ikhsan
Jurnal Riset Rekayasa Sipil Vol 2, No 1 (2018): September 2018
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (775.623 KB) | DOI: 10.20961/jrrs.v2i1.24322

Abstract

Armour layer is the type of gravel bed composed on the bed surface with pores between the composing grains as the place of sand to stay and lock the pores. This research was carried out in the Hydraulic Laboratory by using the main infrastructure of sediment flume from Plexiglas in 0.60 m width, 10.00 m length, and 0.45 m height dimension. The base gradients used was parallel to the water surface gradients, which were 1%, 1.4%, 1.8%, 2.2%, and 2.6%. The constant flow debit was at 25 l/s, 30 l/s, 40 l/s and 45 l/s capacity. The materials consisted of sand and gravel and were evenly mixed in 5 different grain size variations. At each running, there were 2 phases of occurrence: eroded surface and equilibrium. The instruments used during the running were digital current meter, point gauge, and sediment traps.The results of this research indicated armour layer formula stated in un-dimensional number with an average bedload limit of 0.8 mm to 2.9 mm, uniformity coefficient of 2.5 to 5, and critical shear stress of 0.61 N/m2 to 2.7 N/m2. and with minimum base shear stress of 6 N/m2.
ANALISIS SIFAT FISIK DAN MEKANIK BATU BATA MERAH DI YOGYAKARTA (Analysis Physical and mechanical attributes of masonry in Yogyakarta) Hakas Prayuda; Endra Aji Setyawan; Fadillawaty Saleh
Jurnal Riset Rekayasa Sipil Vol 1, No 2 (2018): Maret 2018
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1416.464 KB) | DOI: 10.20961/jrrs.v1i2.20658

Abstract

Batu bata merah merupakan bahan bangunan yang paling banyak digunakan di Indonesia. Umumnya digunakan sebagai bahan non-struktural dinding pembatas pada gedung. Pemanfaatan batu bata di Yogyakarta sampai saat ini tidak seimbang dengan kontrol kualitas yang ada dilapangan sehingga perlu adanya peningkatan kualitas produk yang dihasilkan. Tujuan dari penelitian ini adalah untuk mengetahui sifat fisik dan mekanik batu bata merah di Yogyakarta yang mengacu pada SNI 15-2094-2000. Benda uji diambil dari 10 tempat penjual batu bata di Provinsi Daerah Istimewa Yogyakarta untuk menganalisis sifat fisik dan mekaniknya. Pemeriksaan awal dilapangan yang dilakukan meliputi survey campuran tanah yang digunakan, lama pengeringan, jenis pembakaran dan metode pembakaran. Pemeriksaan fisik yang dilakukan meliputi analisa sifat tampak, ukuran bata merah dan kandungan garam. Pemeriksaan sifat mekanik yang dilakukan meliputi pengujian kerapatan semu, penyerapan, berat jenis, kadar air, Initial Rate of Suction, kuat tekan dan modulus elastisitas. Hasil analisis yang diperoleh kode sampel I memenuhi kriteria sifat fisik yang ditentukan, sedangkan pemeriksaan sifat mekanik memperoleh hasil yang bervariasi akan tetapi dari segi mutu kuat tekan tidak ada lokasi yang memenuhi mutu yang disyaratkan.
PENGARUH BETON DAUR ULANG DAN BAHAN TAMBAH FLY ASH TERHADAP KUAT TEKAN DAN KUAT LENTUR BETON STRUKTURAL RAMAH LINGKUNGAN Ahmad Ghufron Ismail; Andhi Mustofa; Arum Dwicahyani; Muhammad Mahfuzh Ridlo; Kusno Adi Sambowo
Jurnal Riset Rekayasa Sipil Vol 1, No 1 (2017): September 2017
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (109.568 KB) | DOI: 10.20961/jrrs.v1i1.14722

Abstract

Berkembangnya pembangunan menyebabkan kebutuhan material konstruksi meningkat. Daur ulang material dapat menjadi salah satu alternatif karena mengurangi pemakaian material alam. Konstruksi dengan agregat daur ulang merupakan konstruksi yang ramah lingkungan. Metode penelitian berupa eksperimen. Agregat daur ulang yang digunakan sebagai subtitusi agregat kasar berupa agregat puing-puing tiang pancang dengan mutu K-350. Persentase pengganti agregat kasar yaitu 25%, 50%, 75% dan 100%. Benda uji kuat tekan adalah silinder beton. Benda uji kuat lentur beton adalah prisma. Kadar fly ash yang digunakan 10%. Penambahan kuat tekan yang optimum terjadi pada kadar limbah tiang pancang 50% dan penambahan optimum kuat lentur pada kadar tiang pancang 75%. Oleh sebab itu, material daur ulang berpotensi sebagai material yang dapat dipergunakan sebagai campuran dalam beton stuktural. Kata kunci: agregat daur ulang, fly ash, kuat tekan, kuat lentur
KAJIAN KUAT TEKAN DAN INFILTRASI PADA BETON NON PASIR (Study Of Compressive Strength And Infiltration Of no-fines Concrete) Edi Kurniadi; Lava Himawan
Jurnal Riset Rekayasa Sipil Vol 2, No 2 (2019): Maret 2019
Publisher : Prodi Teknik Sipil FT Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (135.698 KB) | DOI: 10.20961/jrrs.v2i2.28632

Abstract

No fines concrete can be known such as porous concrete, no-fines concrete and pervious concrete, because not use of sand in the mixture causing the cavities between coarse aggregates. When the rainy season, especially in urban areas there are many flood because the water is difficult to infiltration into the ground. Because permeable nature of non-fines concrete which can accelerate the absorption of water to the soil and to the water channel, reduce run-off and increase groundwater reserves. In this research will study for compressive strength and infiltration in non-finnes concrete. This research uses coarse aggregates from the results of stone crushing machines with coarse aggregate sizes (5-10) mm. cement: aggregate ratio used 1: 2; 1: 3; 1: 4; 1: 5; 1: 6; 1: 7; 1: 8. The study began with material checking, planning of material requirements, making non-sand concrete, then testing compressive strength, and infiltration testing at the age of 28 days. The results showed that the compressive strength of non-finnes concrete with a variation of the ratio of cement : gravel 1: 2  is  33.19 MPa while for a mixture of 1: 8 it is 5.23 MPa. The Infiltration rate has increased along with the greater variation in the ratio of the mixture. The maximum infiltration rate for a mixture of 1: 8 is 9.44 mm/sec. The infiltration rates in no-finnes concrete can be used to accelerate the absorption of water into the soil and can function to reduce water on the surface of the yard.

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