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Jurnal Riset Rekayasa Sipil

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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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BETON RAMAH LINGKUNGAN DENGAN ABU SEKAM PADI SEBAGAI PENGGANTI SEBAGIAN SEMEN PADA ERA NEW NORMAL Hendramawat Aski Safarizki; Marwahyudi Marwahyudi; Wahyu Aji Pamungkas
Jurnal Riset Rekayasa Sipil Vol 4, No 2 (2021): Maret 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Dalam era new normal ini terjadi perlambatan kegiatan konstruksi di Indonesia. Hal ini disebabkan pengaruh arus transportasi barang material konstruksi yang terhambat. Beton merupakan komponen utama dalam suatu bangunan terutama pada bagian struktur. Bahan penyusun beton terus mengalami perkembangan dan transformasi sesuai perkembangan jaman. Pengembangan inovasi komponen beton perlu dilakukan untuk mengikuti kondisi yang ada saat ini guna mengurangi pemakaian semen yang berlebihan. Seperti yang kita ketahui bahwa proses pembuatan semen menghasilkan panas yng cukup tinggi. Pengurangan panas ini dilakukan dengan pengurangan pemakaian semen yang berlebihan. Salah sayu cara dengan pemanfaatan abu sekam padi. Pemanfaatan abu sekam padi untuk campuran beton dapat dijadikan alternatif ramah lingkungan dalam kondisi era new normal saat ini. Berapa komposisi penambahan optimum abu sekam padi untuk mencapai kuat tekan optimum beton adalah tujuan dari penelitian ini. Agar penelitian ini berjalan sesuai rencana maka diperlukan metode penelitian. Metode yang di gunakan adalah penelitian destruktif laboratoris mengunakan sampel benda uji. Pembuatan bendauji dibedakan berdasarkan kadar yang sudah ditentukan. Penggunaan kadar abu sekam padi untuk campuran beton yang digunakan adalah 8%, 9%, 10%, 11%, dan 12%. Sampel silinder beton benda uji pada penelitian iniberukuran diameter 15 cm dan tinggi 30 cm dimana pengujiandilakukan pada umur silinder beton 28 hari. Hasil analisis menunjukan beton abu sekam adanya peningkatan kuat tekan pada variasi kadar abu sekam padi 10% menjadi 25,70 MPa dibandingkan beton normal tanpa sekam padi sebesar 22,39 MPa. Dapat disimpulkan bahwa penggunaan abu sekam padi dapat mengurangi jumlah semen pada campuran beton untuk mencapai kuat tekan yang lebih tinggi.

KONSEP WALKABILITY INDEX DAN PENANGANAN FASILITAS PEJALAN KAKI PADA KAWASAN JALAN PERKOTAAN DI INDONESIA Dwiky Erlangga; Dewi Handayani; Syafi'i Syafi'i
Jurnal Riset Rekayasa Sipil Vol 4, No 1 (2020): September 2020
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Walkability Index (WI) is a method to assess the walkability level on pedestrian facilities with the main components of: safety and security, convinience and attractiveness, as well as government policies. Generally, this method is utilized to review the pedestrian facilities walkability in urban areas, particularly in CBD (Central Business District) which is the hub for activities center, such as economic, business, education, healthcare, transit to tourism areas. The rapid development of activities leads to the increasing number of visitors in those areas, such as on Jalan Slamet Riyadi, Surakarta. This condition needs to be balanced with the availability of adequate facilities and infrastructure, one of them is the sidewalks to facilitate the pedestrian movement from one place to another. Indonesia did not have any assessment criteria for sidewalks in terms of scoring even though some variables on WI have already existed in the Circular Letter of the Minister of Public Works and Public Housing 02/SE/M/2018 on the Guidelines for Pedestrian Facility Planning. This paper presents the recommendation of assesment and category based on the regulation in Indonesia. It is expected to benefit the determination of priority on pedestrian facility handling in the field. Literature study as the foundation of this paper attempts to accomodate the pedestrian facility variables contained in the regulation of Indonesia using the scoring method with several recommendations in the category of handling, with the basis of WI analysis method. The results of the analysis show that there are 3 variables that need to be considered more in the planning criteria for sidewalk in Indonesia that affect the determination of handling recommendation including the supporting and additional facilities, facilities for disabled pedestrians, and the needs of wide space for pedestrians.

NILAI DERAJAT KEJENUHAN TANAH PADA PENILAIAN ANCAMAN LONGSOR ROMBAKAN (DEBRIS FLOW) PADA BATUAN VULKANIK I Nengah Sinarta; Putu Ika Wahyuni; Putu Aryastana
Jurnal Riset Rekayasa Sipil Vol 4, No 2 (2021): Maret 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Longsor aliran adalah gerakan spasial yang terjadi terus menerus akibat bergeraknya permukaan tanah biasanya berjarak dekat dan terjadinya tidak terlalu lama. Gradasi longsoran aliran tergantung pada intensitas hujan, jenis tanah dan vegetasi sedangkan arah mobilitas tergantung dari kemiringan lereng dan jenis tanah permukaannya. Jenis tanah yang mudah jenuh akibat hujan dengan intensitas tinggi dan singkat di lereng menyebabkan lapisan tanah tergerus akibat berat sendiri secara cepat menuju lembah, hal inilah yang menyulitkan bagi penduduk untuk menghindar dan mengungsi. Kasus tersebut perlu dilakukan analisis dan kajian teknis tentang pengaruh nilai derajat kejenuhan tanah yang menimbulkan ancaman longsor bahan rombakan. Pengamatan dilakukan dengan sampel borehole dan Geolistrik dilakukan Desa Abang Batu Dinding, Kintamani, morfologi permukaan adalah perbukitan, jenis tanah pada kedalaman rata-rata 1-1,5 m adalah lanau berpasir, dan batuan dasar berupa batuan breksi vulkanik. Analisa hidrologi dimodelkan berdasarkan poligon thiessen dimana curah hujan efektif rata-rata pada 10-50 tahun sebesar 238 mm/hari. Nilai tegangan air pori negatif bertambah dari 35 kPa-72,44 kPa dalam pori-pori tanah masih terdapat air yang dapat menjaga ikatan butiran tanah pada saat derajat kejenuhan rendah sekitar 40% dan selanjutnya naik sampai 78,46%. Pada penelitian ini pada derajat kejenuhan 40% sampai 56% nilai kuat geser tanah meningkat dan selanjutnya kuat geser tanah mengalami penurunan sampai 37,62o dengan derajat kejenuhan 78,46%. Perubahan yang cepat pada permukaan tanah yang minim vegetasi akan menimbulkan erosi dipermukaan tanah, pada kondisi spasial dengan ketebalan tanah 1-1,5 m akan menyebabkan longsor rombakan atau debris.

ANALISIS PENGARUH BIJI KARET TERHADAP KUAT TEKAN BETON Fadhila Firdausa; Raja Marpaung; Sri Rezki Artini; Annadiyah Farah Diba; Vicky Wisma Ria; Arista Widya Iryani
Jurnal Riset Rekayasa Sipil Vol 4, No 1 (2020): September 2020
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

The development of technology construction has reached a period of caring for the environment. Many things been developed to support environmentally friendly construction. Itcan be started from the use of a mixture of natural ingredients into a mixture of construction materials. Concrete is a construction material that is often used in Indonesia, given its ease, price, and durabilityAlong with the development of the concrete periods has experienced many advances, one of which is in the drafting of a combined mix of making concrete, and to supporting environmentally friendly concrete, a mixture of natural materials are used as one of the making material of concrete.South Sumatra is one of the islands in Sumatra, which has an abundant plantation of rubber. The large number of rubber plantations makes rubber waste more and more, one of which is rubber seeds. Therefore it is necessary to treat rubber seed waste in order to reduce the amount of rubber seed waste and can be used to improve the economy of the surrounding community. The rubber itself has many advantages in the industrial field. Utilization of rubber has been widely used, but no one has used rubber seeds as an aggregate substitution material in making a concrete without other chemicals. Therefore this research will discuss the rubber seed mixture as a substitute for coarse aggregate. The material used to make concrete is portland type I cement, coarse and fine aggregate from the Tanjung Raja area, and the rubber seeds used are from the Sembawa area. Coarse aggregate substitution using a mixture of rubber seeds 5%, 10%, 15%, and 20% were tested during the age of concrete of 7 days, 14 days, and 28 days.. The compressive strength of rubber seed substitution with a percentage of 5% shows the most significant compressive strength value of 19.33 Mpa. From the test results of this study it can be concluded that the greater the use of rubber seeds, the lower the compressive strength.

EVALUASI JUMLAH TENAGA KERJA DALAM KONSTRUKSI MENGHADAPI ERA NEW NORMAL Pratika Riris Putrianti
Jurnal Riset Rekayasa Sipil Vol 4, No 2 (2021): Maret 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

The impact of Covid-19 on the implementation of construction services includes budget cuts, delays in project completion, increased implementation costs, potential for construction disputes. In the era of "New Normal”, it is done with the condition that Covid-19 transmission has been controlled by Public Health and the capacity of the health system is able to identify, isolate, test, track contracts and quarantine. In the era of "New Normal" reduce the risk of outbreaks by strict regulation of places that have high vulnerability, prevention at work is implemented, the risk of the spread of imported cased can be controlled, and people take part and be involved in the transition. The design of "New Normal" in terms of Construction can be said as "Construction Adaptation" in which the implementation of construction services that is safe, effective, and efficient to accelerate development while still implementing health protocols. The protocols that should be implemented include: procurement protocols based on online and minimizing face-to-face, work implementation protocols using masks and physical distancing and contract adjustment protocols with contract flexibility to accommodate field conditions. Construction survival strategies in the "New Normal" era, namely: digitizing by optimizing the use of Building Information Modeling (BIM), specialization with a focus on specific expertise, industrialization with modular and precast buildings increasing work productivity, building supply chains with vendor management system, adaptation by absorbing concepts new design and new innovation, trust communication.

ANALISIS PERBANDINGAN DAYA DUKUNG PONDASI TIANG PANCANG BERDASAR HASIL UJI SPT DAN PENGUJIAN DINAMIS Hinawan Teguh Santoso; Juandra Hartono
Jurnal Riset Rekayasa Sipil Vol 4, No 1 (2020): September 2020
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

The foundation work is one of the main works in bridge construction. Failure of the foundation will be fatal for the entire bridge construction. Therefore, it is necessary to test the bearing capacity of the pile to determine the installed foundation capacity. The most accurate and most expensive method for determining the bearing capacity of a pile is a static load test, which is a full-scale trial method of giving a load 2 or 3 times greater than the designed load. Another method that is more economical and entirely accurate is using the High Strain Dynamics Pile Test (HSDPT) or often called the Pile Driving Analyzer (PDA) Test. This PDA test took a sample of 18 points of 600 mm diameter pre-stressed concrete piles on the Kaligawe Bridge located on Jalan Kaligawe KM 2+350, Semarang, Central Java. Based on the core drilling results, the soil layer was dominated by clay with an N-SPT value < 30 to a depth of 45 meters. The average bearing capacity of PDA test results is 432.4 tons or 0.4% greater when compared to the empirical approach based on N-SPT value (430.7 tons). The bearing capacity of the CAPWAP analysis is 401.0 tons or 7.3% less when compared to the PDA test, because the PDA test results are further processed using Signal Matching Analysis (SMA). CAPWAP analysis shows that the bearing capacity of piles is dominated by friction resistance by 71.7% and end resistance by 28.3% or by 4.4% difference when compared to the empirical approach, where the friction resistance value is 67.3% and end resistance is 32.7%. In general, it can be said that the PDA test is reliable enough to confirm the bearing capacity of the pile foundation that has been installed in the field.

HUBUNGAN DAYA DUKUNG AKSIAL PONDASI TIANG TUNGGAL PADA TANAH LEMPUNG Muh Rivai Miroj; Niken Silmi Surjandari; Bambang Setiawan
Jurnal Riset Rekayasa Sipil Vol 5, No 1 (2021): September 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Daya dukung pondasi tiang ditentukan berdasarkan pelekatan tiang dengan tanah dan tahanan ujung. Pada saat pemancangan nilai daya dukung dari masing – masing pondasi tiang tunggal dapat diketahui dengan cara melakukan pengujian beban tiang terhadap gaya aksial . Salah satu pengujian yang dapat dilakukan adalah tes PDA. Penelitian ini bertujuan untuk mencari persamaan daya dukung tiang berdasarkan hasil PDA dengan daya dukung tiang berdasarkan data SPT dan daya dukung tiang berdasarkan data laboratorium menggunakan metode elemen hingga dengan menggunakan tanah yang ada di wilayah Ngemplak Boyolali. Penelitian ini menggunakan data dari lapangan yang berupa data sekunder, kemudian dari data sekunder dianalisis dengan metode statistika untuk mendapatkan persamaan regresi linier. Dilanjutkan dengan uji statistik seperti uji t, uji normalitas, uji homogenitas dan uji linieritas. Hasil dari data yang dianalisis dengan metode statistika menghasilkan persamaan daya dukung tiang tunggal pada tanah lempung sebesar Qu(PDA) = 1,683*Qu(SPT) – 904,26 berdasarkan data SPT yang dianalisis menggunakan metode Briaud et Al (1985) dengan tingkat korelasi yang sangat kuat sebesar 81,44 %.

RAINWATER HARVESTING FOR FISH FARMING WATER REQUIREMENTS IN BOYOLALI REGENCY, INDONESIA Rintis Hadiani; Iva Yenis Septiariva; Solichin Solichin; Adi Yusuf Muttaqien; Sudarto Sudarto
Jurnal Riset Rekayasa Sipil Vol 5, No 1 (2021): September 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Climate change causes dry and rainy seasons to shift. Hydrology also shows that the number of rainwater changes with the uncertainty of its potential occurrence. In catfish farming and hydroponic farming, ensuring water availability is important for the sustainability of the project. Existing research is about managing rainwater, which can help partially supply water for both projects' benefit. The research location is in Jeron Village, Nogosari District, Boyolali Regency. Boyolali Regency is a 22 % residential area of the total area. It means 570 m3 potential storage. However, the result shows that only 17% of the roof area can collect rainfall for residential houses. In this study's residential case example, 17% of the roof area gives 97.8 m3 / year. The problem is that currently, there is no Rain Water Harvesting (RWH). A system capable of supporting the water supply. Using RWH provides a benefit based on the potential supply. This study highlights the potential benefits of using RWH. This pool yields a profit of up to (Indonesian Rupiah) IDR. 36,643,718 / month or IDR. 439,724.61 / year, with a probability of 80%. It means that in 5 years, it failed once. Moreover, water needs can supply from RWH.

TINGKAT KEDEWASAAN PENERAPAN BIM PADA KONTRAKTOR JEMBATAN DI INDONESIA Widi Hartono; Dewi Handayani; Syafi'i Syafi'i
Jurnal Riset Rekayasa Sipil Vol 5, No 1 (2021): September 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Perkembangan konstruksi di Indonesia berkembang cukup pesat, pembangunan infrastruktur meningkat 6 tahun terakhir termasuk didalamnya adalah konstruski jembatan. Jembatan merupakan konstruksi yang digunakan untuk melewati rintangan seperti sungai, danau, jalan raya, jalan kereta api atau lembah. Konstruksi jembatan ini banyak ditemui pada pembangunan jalan tol dimana konstruski ini sangat vital untuk menghubungkan dua sisi yang dipisah oleh rintangan. Selain itu jembatan juga banyak kita pada jalan non tol. Di Indonesia teknologi BIM mulai berkembang, beberapa kajian sudah dilakukan baik oleh pemerintah atau swasta untuk memberikan pembelajaran dan pengembangan BIM. Aplikasi BIM sudah mulai dilakukan untuk bangunan gedung baik untuk tahap perencanaan, konstruksi dan operasi dan maintenance. Dalam penelitian ini akan mengkaji penerapan konsep BIM yang sudah dilaksanakan khususnya untuk perencanaan konstruksi jembatan. Analisis dalam penelitian ini menggunakan indeks kedewasaan penerapan BIM untuk mengetahui seberapa jauh peneran BIM dalam proyek jembatan. Selain itu juga dilakukan identifikasi terhadap permasalahan atau hambatan dalam penerapan teknologi BIM. Hasil kajian menunjukkan bahwa penerapan teknologi BIM pada kontraktor masih terbatas pada penggunaan CAD 2D dan 3D dalam desain yang dikerjakannya. Beberapa kendala dihadapi oleh tenaga ahli terkait dengan software, hardware, jaringan komputer dan kesulitan dalam perencanaan dengan BIM. Penerapan teknologi BIM pada perusahaan kontraktor adalah pada level 1 dengan skor 1.16. Pada level ini penerapan teknologi BIM masih didominasi oleh pengelolaan desain berbasis file.

KARAKTERISTIK UJI PROPERTIS DAN CAMPURAN BETON NORMAL Pratika Riris Putrianti; Agustinus Agus Setiawan
Jurnal Riset Rekayasa Sipil Vol 5, No 1 (2021): September 2021
Publisher : Civil Engineering Study Program, Engineering Faculty Universitas Sebelas Maret

Normal concrete is another building material that is most widely used in the construction industry. Concrete is meant by reinforcing steel (wire, woven wire) in the concrete cross-section to improve tensile and flexural resistance. The concrete section transfers tensile stress to the reinforcing steel section, which has better tensile strength. Polymer materials that are more resistant to rust can also be used as reinforcement materials. Basically, concrete is made from a mixture of aggregates (fine and coarse), cement, water, and additives. In a concrete mix, the fine and coarse aggregates are bound to the cement matrix. The cement reaction between water and minerals in cement produces a strong matrix, holds the aggregate in place and gives the concrete compressive strength properties. In the current industrial era, material selection for a normal concrete feasibility test is quite challenging due to finding quality materials. Through a series of material feasibility tests for normal concrete mixtures, it is hoped that quality control will be in the use of superior materials. This research was conducted at the Laboratory of PT Jaya Beton Indonesia. Based on the properties test data on the aggregate and concrete materials, it can be concluded that the aggregate materials have met the specifications of the Indonesian National Standard and IJASE. So that the material can be used in the normal concrete mix plan stage (job mix formula) regarding the provisions of the grain gradation using the normal concrete manufacturing method listed in SNI 7656 of 2012 concerning Procedures for Making Normal Concrete. From the results of the trial mix of concrete in Table 20, the authors decided to use the concrete quality f'c 30 MPa with consideration of the effects of the compressive strength of the concrete being relatively stable in terms of deviation.Keywords: test aggregate properties, normal concrete aggregates, material characteristics, concrete mix

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Abstract

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Contact Name
Iva Yenis Septiariva

Contact Email
ivayenis@staff.uns.ac.id

Phone
-

Journal Mail Official
jurnalsipil@ft.uns.ac.id

Editorial Address
-

Location
Kota surakarta,

Jawa tengah

INDONESIA