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All Journal Semesta Teknika Potensi : Jurnal Sipil Politeknik Jukung (Jurnal Teknik Lingkungan) INOVTEK POLBENG Logic : Jurnal Rancang Bangun dan Teknologi Prokons: Jurnal Teknik Sipil Construction and Material Journal APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE) Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) JURNAL POLI-TEKNOLOGI Journal of Research and Inovation in Civil Engineering as Applied Science
Putera Agung Maha Agung
Department Of Civil Engineering, Politeknik Negeri Jakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Comparison of Interpretation Between CPT and Res-2d Methods for Geostratigraphic Profiling Determination of Kota Depok et.al, Putera Agung Maha Agung ,
Jurnal Semesta Teknika Vol 15, No 1 (2012): MEI 2012
Publisher : Jurnal Semesta Teknika

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Abstract

In its simplest application, the cone penetrometer offers a quick, expedient, and economical way to profiling a subsurface soil layering at a particular site. No drilling, soil samples, or spoils are generated, therefore, cone penetration test CPT is less disruptive from an environmental standpoint. The continuous nature of CPT reading permits clear delineations of various soil strata, their depths, thicknesses, and extent, perhaps better than conventional rotary drilling operations that use a standard drive sampler at 5-ft vertical intervals. The cone penetrometer is instrumented with load cells to measure point stress and friction during a constant rate of advancement. The results can be interpreted within different theoretical frameworks or by using empirical methods, or both. RES-2D (resistivity – two dimension) completed by Geoscanner devices is applicable to interpret the soil profiling from soil exploration works. Generally, the geoscanner is used to assess the geological subsurface condition for mining works. This paper is addressed to compare the results for soil classification in Kota Depok, West Java using a cone penetration test and RES-2D. From both methods, the result of soil strata shows the soft soil in study area can be classified as clay layers from ground surface to the depth of 15.0 m. However, the CPT is less applicable to measure exactly the elevation of ground water table than RES-2D. In addition, RES-2D is also less applicable to predict the soil properties of the soil type than CPT. In general application, both devices can be applied to soil investigation for geotechnical works.   
PERKUATAN DAN STABILISASI BADAN JALAN MENGGUNAKAN SISTEM PLAT SPUN PILE Maha Agung, Putera Agung; Tsabita, Dea Putri
Construction and Material Journal Vol 2, No 1 (2020): CONSTRUCTION AND MATERIAL JOURNAL VOL. 2 NO. 1 MARET 2020
Publisher : Politeknik Negeri Jakarta

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Abstract

AbstractSome damages of the Jalan Lintas Selatan Road, Suradita-Kranggan has occured every year with the identical failure cycle. One of the effort to make problem solving is to replace the base of road body construction with a concrete plate construction supported by circular pre-stressed concrete pile foundation (spun pile) system. The system will carry on the upper structure or embankment (subgrade) since the below of the structure exists soft soil layers and the depth of hard layer soil reachs more than 10 m. Later on, all vertical and horizontal forces including moments caused by the external loads can be retained by the plate and spun pile foundation system. The purpose of the study is to calculate the bearing capacity, negative friction force, settlement of spun pile group with using field test data (SPT and CPT); and diameter variation of pile is 30 cm to 50 cm. From calculations with the average length of 1400 cm and diameter of 50 cm can be determined bearing capacity of 298.9 tons by SPT and 504.3 tons by CPT data, respectively. Then, lateral bearing capacity is 168.5 tons (free pile head) and 344.2 tons (fixed pile head). The settlement occurred of a single pile foundation is 9.40 cm. The results of negative friction resistance were obtained is 81.9 tons. The group piles is designed of 2 (two) rows and 3 (three) columns and can be safe for receiving the construction and traffic loads. Based on the analysis results, the concrete plate and spun pile system has fullfilled to design criteria. Keywords: spun pile, bearing capacity, negative friction, settlement, pile group.AbstrakKerusakan pada Jalan Lintas Selatan, Suradita-Kranggan terjadi setiap tahun dengan siklus kegagalan yang sama. Salah satu upaya penyelesaian masalah tersebut adalah mengganti landasan konstruksi badan jalan dengan plat beton yang didukung oleh sistem pondasi tiang pancang bulat beton prategang (spun pile). Sistem ini akan memikul struktur atas atau timbunan (subgrade) karena di bawah struktur terdapat lapisan tanah lunak dan kedalaman tanah keras mencapai lebih dari 10 m. Nantinya, semua beban vertikal, horizontal berikut momen akibat beban luar dapat ditahan oleh sistem plat dan pondasi spun pile. Tujuan studi ini adalah untuk menghitung daya dukung, gaya gesek negatif, dan penurunan dari kelompok tiang menggunakan data hasil uji lapangan (SPT dan CPT), dan variasi diameter tiang adalah sebesar 30 cm sampai 50 cm. Dari hasil perhitungan dengan panjang rata-rata 1400 cm dan diameter tiang 50 cm dapat ditentukan daya dukung sebesar 298,86 ton (data SPT) dan 504,3 ton (CPT data) secara berurutan. Kemudian, daya dukung lateral sebesar 168,5 ton (kepala tiang bebas) dan sebesar 344,2 ton (kepala tiang terjepit). Penurunan tunggal rata-rata yang terjadi adalah sebesar 9,40 cm. Hasil tahanan gesek negatif diperoleh sebesar 81,9 ton. Kelompok tiang yang direncanakan adalah terdiri 2 baris tiang dan 3 kolom tiang dan aman untuk menerima beban konstruksi dan beban lalu lintas. Berdasarkan hasil analisis, sistem plat dengan spun pile telah memenuhi kriteria desain. Kata kunci: spun pile, daya dukung, gaya gesek negatif, penurunan, grup tiang.
PENGARUH PENAMBAHAN SERBUK BATA MERAH TERHADAP NILAI CBR Agustian Arif, Muhammad Rayhan; Salimah, A'isyah; Maha Agung, Putera Agung
Prokons: Jurnal Teknik Sipil Vol 14, No 2 (2020): Agustus 2020
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v14i2.298

Abstract

Abstract Soil is a collection of minerals, organic matter and relatively loose sediments that are located above the bedrock. Based on the particle size, it is divided into four types, namely gravel, sand, silt and clay. The role of soil is very important in a construction because the soil functions as a support for the loads that are above it, so that the soil is expected to have a good bearing capacity. In this study, the soil taken is soft soil in Hambalang, Bogor where the soil conditions in the area are hard in the dry season and soft in the rainy season, so it is necessary to review the CBR (California Bearing Ratio) value. In this study, using waste from red brick as an additive to soft soil. CBR testing is appropriate (SNI 1744: 2012), with the CBR Laboratory test soaked and unsoaked. Along with the addition of% red brick powder, the CBR values of soaked and unsoaked (top and bottom) have increased, so that the addition of% content of red brick powder is 15% respectively got a value of 4.55% and 4.9% (soaked) and 17.94% and 19.70 (unsoaked). So, from this CBR test, it was found that the effect of adding red brick powder increases CBR tilapia soaked and unsoaked soft soil of Hambalang. Keywords: Soft Soil, Red Brick Powder,CBR soaked, CBR unsoaked
STABILITAS TIANG PANCANG AKIBAT LIKUIFAKSI PADA PROYEK GEDUNG SANGGALA JAKARTA Sinta Delia; Putera Agung Maha Agung
Prokons: Jurnal Teknik Sipil Vol 14, No 2 (2020): Agustus 2020
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v14i2.267

Abstract

Liquefaction is an incident where the soil losses its shear strength due to increased porewater stress due to the incident of very fast cyclic loading in a short time. Liquefaction event due to earthquakes can cause structural failure of the building. In this case, the Sanggala Building Project in Jakarta exists at location of liquefaction potential susceptible area, and design analysis only uses the data of Cone Penetration Test (CPT). Stability analysis of pile due to liquefaction potential is aimed to determine the value of the factor of safety (FS) in the area, which is analyzed by comparing the value of Cyclic Stress Ratio (CSR) due to the earthquake and Cyclic Resistance Ratio (CRR) as the soil resistance to resist liquefaction potential. Based on the analysis and calculations performed, was obtained the value of FS > 1, which means actually the soil does not have the liquefaction potential. However, this study still takes into consideration the liquefaction potential as one of requirements of local regulation when the analysis of bearing capacity of pile foundation analyzed by the method of Schmertmann (1978) in a depth of 25 m and the results was indicated by 1660,27 kN for single pile and 12081,63 kN for the group piles. Furthermore, all these results from several stability calculations, the pile foundation system stable from liquefaction potential.
Comparison of Interpretation Between CPT and Res-2d Methods for Geostratigraphic Profiling Determination of Kota Depok Putera Agung Maha Agung , et.al
Semesta Teknika Vol 15, No 1 (2012): MEI 2012
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/st.v15i1.438

Abstract

In its simplest application, the cone penetrometer offers a quick, expedient, and economical way to profiling a subsurface soil layering at a particular site. No drilling, soil samples, or spoils are generated, therefore, cone penetration test CPT is less disruptive from an environmental standpoint. The continuous nature of CPT reading permits clear delineations of various soil strata, their depths, thicknesses, and extent, perhaps better than conventional rotary drilling operations that use a standard drive sampler at 5-ft vertical intervals. The cone penetrometer is instrumented with load cells to measure point stress and friction during a constant rate of advancement. The results can be interpreted within different theoretical frameworks or by using empirical methods, or both. RES-2D (resistivity – two dimension) completed by Geoscanner devices is applicable to interpret the soil profiling from soil exploration works. Generally, the geoscanner is used to assess the geological subsurface condition for mining works. This paper is addressed to compare the results for soil classification in Kota Depok, West Java using a cone penetration test and RES-2D. From both methods, the result of soil strata shows the soft soil in study area can be classified as clay layers from ground surface to the depth of 15.0 m. However, the CPT is less applicable to measure exactly the elevation of ground water table than RES-2D. In addition, RES-2D is also less applicable to predict the soil properties of the soil type than CPT. In general application, both devices can be applied to soil investigation for geotechnical works.   
Sea Water Intake Building Based on Revetment and Groins Structures Putera Agung Maha Agung; Dandung Novianto
Journal of Applied Civil Engineering and Infrastructure Technology Vol 1 No 1 (2020): Agustus 2020
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v1i1.18

Abstract

An open sea water intake structure is designed without desalination treatment system at the port area. Fresh water from intake system later on is used for refrigeration system. Function of intake structure is to collect water with special characteristic issue to minimize the volume of sand sediment entered in the intake pipe. Floating and suspended sediment particles passed by the pipe filter causes negative impact and damage to the pump and or heat exchanger systems in Power Plant, so it must be cleaned periodically and requires extra costs. New design of sea water intake at study area uses revetment and groin system to retain the floating and suspended sand sediment, the structure system is able to be expected retaining all sediment particle types and cost maintenance of intake system can be reduced.
Analisis Dan Desain Dinamis Pondasi Dangkal Berdasarkan Data CPT Putera Agung Maha Agung; Josua Sijabat; Nadia Shofi Khairunnisa
Journal of Applied Civil Engineering and Infrastructure Technology Vol 1 No 2 (2020): Desember 2020
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v1i2.84

Abstract

A generator set used at the building has to consider some environmental factors so that it would not affect the building structure system and not cause some noises as long as operation time. In order to avoid these disturbances, all foundation systems are not only analyzed and designed in the static calculation but also they must consider some impact factors due to dynamic loading. This study's purpose is to determine the dimensions of shallow foundation and specifications of rubber as a vibration damper in accordance with applicable regulations. The static calculation analyzes the immediate and consolidation settlements, and bearing capacity that occurred at the soil foundation using the Schmertmann method. The dynamic analysis calculates some magnitudes of frequency and or amplitude, and also attenuation of single and couple mode vibration in vertical, horizontal, longitudinal displacement directions, then also rocking, yawing, and pitching turning moment directions using the Lumped Parameter method from some references. Analysis and design obtained the dimensions of 3.7 x 1.7 x 0.7 m for shallow foundation system and allowable bearing capacity (qall) indicated equals 4.10 kg/cm2 based on static condition, and 6.20 kg/cm2 according to static and dynamic conditions, respectively. Then, some assessments in static and dynamic calculations were also found the total settlement (D) = 0.49 mm, amplitude (Az) = 6.6 x 10-6 m, (Ax) = 3.2 x 10-6 m, and (Af) = 1.7 x 10-6 rad. Generally, the resulting parameters from those analyses and design have fulfilled the existing standard and local government regulations.
Settlement of Geosynthetic Encased Stone Columns Liquefaction Condition in Box Culvert Maftuh Ahnan; Putera Agung Maha Agung
Logic : Jurnal Rancang Bangun dan Teknologi Vol 21 No 1 (2021): March
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v21i1.2259

Abstract

When the box culvert system is placed on a sandy soil layer with a relatively low bearing capacity and is disposed to potential liquefaction, the soil layer must be repaired to avoid damages to the box culvert structure. The proposed method is Geosynthetic Encased Stone Columns (GESC) to increase the bearing capacity and anticipated the liquefaction potential. however, to meet the criteria for a stable and safe GESC soil improvement in liquefaction conditions, the value of the settlement must meet the requirements for the settlement permit limit. This research was conducted to determine the potential for liquefaction at the study location, to calculate the value of single and group settlements in liquefaction conditions and to analyze the stability of single and group settlements including safe or unsafe in liquefaction conditions. Analysis of liquefaction potential was analyzed based on SPT data using the Valera and Donovan method, and settlement analysis applied the Almeida and Alexiew method. The analysis shows that potential liquefaction due to an earthquake with a magnitude of 9.0 SR will be at a depth of 4 to 8 m. Single and group settlements (144 sets) with an installation distance of 1.2 m with a diameter of 0.4 m and at a depth of 10 m are 246.23 and 214.92 mm, respectively. The entire GESC system is considered to be in an unstable and unsafe condition against potential liquefaction and box culvert loading.
INVESTIGASI SUMBER AIR TANAH MENGGUNAKAN METODE GEOLISTRIK RESISTIVITAS KONFIGURASI SCHLUMBERGER DAN PENGEBORAN Muhammad Fathur Rouf Hasan; Anjar p Azhari; Putera Agung Maha Agung
Jukung (Jurnal Teknik Lingkungan) Vol 7, No 2 (2021): SEPTEMBER 2021
Publisher : Program Studi Teknik Lingkungan Fakultas Teknik Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jukung.v7i2.11950

Abstract

Penelitian ini bertujuan untuk mencari keberadaan sumber air tanah. Metode yang digunakan adalah geolistrik resistivitas konfigurasi schlumberger dan proses pengeboran. Pengukuran dilakukan pada 4 titik dengan bentangan 400 meter dan jarak antar elektroda 10 meter. Hasil penelitian menunjukkan indikasi keberadaan air tanah ditemukan pada titik pengukuran 3 kedalaman 36-55 meter dibawah permukaan tanah dengan nilai resistivitas sebesar 0,97 Ωm. Proses pengeboran dilakukan pada titik 3 sesuai rekomendasi, adapun hasil dari pengeboran menunjukkan informasi keberadaan air tanah ditemukan pada kedalaman 46 m dibawah permukaan tanah, hasil ini sesuai dengan informasi yang diperoleh dari hasil penelitian. Identifikasi keberadaan air tanah menggunakan metode geolistrik resistivitas terbukti cukup ramah lingkungan, karena tidak ada kerusakan lingkungan yang ditimbulkan. Kata kunci: air tanah, geolistrik resistivitas, konfigurasi schlumberger, pengeboran.  This study aims to determine the existence of groundwater. The method used in this research is the geoelectrical resistivity method with schlumberger configuration and drilling process. Measurements were made at 4 points with a span of 400 meters and a distance between electrodes of 10 meters. The results showed indications of the presence of groundwater were found at measurement point 3, a depth of 36-55 meters below the ground surface with a resistivity value of 0.97 Ωm. The drilling process was carried out at point 3 according to the recommendations, while the drilling results showed information on the presence of groundwater at a depth of 46 m below the ground surface, this result is the same as the information obtained from the research results. The identification of groundwater using geoelectrical resistivity method is proven to be quite environmentally friendly because there is no environmental damage caused.  Keywords: drilling, geoelectrical resistivity, groundwater, schlumberger configuration.  
DAYA DUKUNG DAN PENURUNAN PONDASI DANGKAL TANAH EKSPANSIF PADAT MENGGUNAKAN TIRE-SOIL Putera Agung Maha Agung, ST.,MT
INOVTEK POLBENG Vol 9, No 1 (2019): INOVTEK VOL.9 NO 1 - 2019
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1039.383 KB) | DOI: 10.35314/ip.v9i1.985

Abstract

Analisis daya dukung dan penurunan memainkan peranan penting untuk memprediksi kemampuan tanah di dalam mendukung pondasi. Tanah ekspansif memiliki daya dukung yang rendah dan penurunan yang besar saat mengalami pembasahan yang terus-menerus (rewetting), walaupun telah mengalami proses pemadatan. Pengunaan ban bekas(tire-soil) diuji dengan menggunakan model di laboratorium untuk dapat dimanfaatkan sebagai usaha memperbesar daya dukung dan mengurangi penurunan pondasi. Studi model menggunakan model pondasi dangkal dan 2 (dua) tipe tanah pondasi. Tipe pertama menggunakan tanah ekspansif asli yang dicampur 43,5% bentonite(TEA-B);dan tipe kedua adalah TEA-B yang dicampur bahan tambah tipe 15% fly ash(TEA-B + FA). Validasi data hasil pengujian menggunakan perangkat lunakProgram Elemen Hingga konvensional (PLAXIS) untuk analisis geoteknik. Data hasil pengujian menunjukkan bahwa daya dukung pondasi dangkal pada tanah tipe TEA-B + FA lebih besar daripada tanah tipe TEA-B; penurunan yang terjadi pada tanah TEA-B + FA adalah lebih kecil daripada TEA-B.
Co-Authors A. T. S. Azhar Abdullah, Nazirah Muhamad Adinegara, Aldo Wirastana AGUNG SEDAYU Agustian Arif, Muhammad Rayhan Ahmad, Mustaffa Anjang Akbar Hakim, Dio Akhdan Fajri Ramadan Anjar Pranggawan Azhari Avianza, Ardha Dissa Dandung Novianto Dea Putri Tsabita Dhiya Safira Januar, Galang Rasyid Josua Sijabat Lutfi, Nurul Adibah M. I. S. Fazlina Maftuh Ahnan Mohammad Edo Kusuma Adji Muchsin Farid Habibie Muhammad Fathur Rouf Hasan Muhammad Nizam Zakaria Mursid Mustaffa A. Ahmad Mustaffa Anjang Ahmad Nadia Shofi Khairunnisa Nurfitria, Aida Pradiptya, Andikanoza Putri Suryanti, Amalia Ramadhanty Saputri Saiful Azhar Ahmad Tajudin Salim, Zaindra Fakhri Salimah, A'isyah Sinta Delia Tsabita, Dea Putri Umar Alfaruqi Abdurrahman Yelvi Yelvi Yuwono Yuwono