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Totok Apriyanto, Totok
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Pemanfaatan Limbah Plastik Sebagai Material Pembuatan Paving Block Prakosa, Galang Eko; Maulana, Alvino Fikri; Apriyanto, Totok; Wijaya, Tenardhy Aryarama
Jurnal Teknik Indonesia Vol 6, No 2 (2025): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v6i2.800

Abstract

Paving block berbahan limbah plastik sekarang ini banyak digunakan sebagai pekerasan jalan dikarenakan masalah sampah plastik semakin meningkat seiring bertambahnya hari terutama plastic jenis LDPE dan PP, Tujuan penelitian ini adalah untuk menganalisis kekuatan tekan paving block dan permabilitas paving block yang terbuat dari campuran limbah plastik berjenis LDPE dan PP, Hasil penelitian menunjukan bahwa semakin banyak penambahan Plastik berjenis LDPE dan PP pada pencampuran paving block akan menghasilkan kualitas kuat tekan yang besar serta permabilitas yang kecil dikarenakan rongga pada paving block semakin tertutup dengan pencampuran plastik. Bentuk yang akan kami teliti adalah paving block berbentuk balok dengan ukuran Panjang 21 cm x Lebar 11 cm x Tinggi 6 cm dengan pembuatan alat benda uji menggunakan mesin press. Kami membuat 2 macam benda uji dengan campuran benda uji A yaitu pasir 80% : 20% plastik dan benda uji B dengan pasir 90% : 10% plastik. Untuk benda uji dengan variasi campuran tersebut tidak memenuhi persyaratan SNI 03-0691-1996 dikarenakan mutu yang dihasilkan sangat rendah dan tidak masuk dalam klasifikasi SNI. Nilai kuat tekan yang terbaik pada benda uji ini ditemukan pada umur rencana 28 hari setelah pembuatan, kuat tekan tertinggi mencapai 2,5 Ton atau setara 1,082 MPa.
ANALISA KOMPARASI DAYA DUKUNG PONDASI BORED PILE SECARA ANALISTIS TERHADAP HASIL LOADING TEST STUDI KASUS PROYEK PEMBANGUNAN REZ HOTEL Anggraeni, Savira Mirda; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 3, No 2 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i2.369

Abstract

Foundation failure and other factors that can cause bearing capacity to be incompatible when in the field. This is one of the factors that encourage direct loading tests in the field. Main objective of this study is to s to calculate and compare the ultimate bearing capacity of drilled pile after implementation with ultimate bearing capacity at the time of planning. SPT results were calculated using the Aoki Velosso method, the Decourt method, and the Reese & Wright method. Based on the calculation of the carrying capacity that has been carried out, there are differences in results, both due to the use of the method and the location of the point being reviewed. Based on the SPT data obtained from the calculation results of each Aoki Velosso method for TP-1/BP.48 the value of Qu = 783,933 tons while for TP-3/BP.78 the value of Qu = 1301,239, the Decont method for TP-1/BP.48 values Qu = 2593.098 tons while for TP-3/BP.78 the value of Qu = 2091.817, the Reese & Wright method for TP-1/BP.48 the value of Qu = 401.030ton while for TP-3/BP.78 the value of Qu = 334.022 and the results The loading test of the two test piles is TP-1/BP.48 Qu = 256 tons and TP-3/BP.78 Qu = 257 tons. Based on the calculation results, it can be seen that the efficient method used is the Reese & Wright method because the results of the calculation method are the smallest results, this is necessary to maintain building safety.
REDESAIN BENDUNG KEDUNG JERUK KECAMATAN PRINGAPUS KABUPATEN SEMARANG Paryanto, Paryanto; Putro, Wibisono Handoko; Apriyanto, Totok; Pujiastuti, Ratih
Jurnal Teknik Indonesia Vol 3, No 2 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i2.366

Abstract

Water is one an important element that can affect life in nature. To increase water resources, a long-term and short-term strategy is needed. Kelampok River has not been utilized optimally by the community. For this reason, it is necessary to build a weir that serves to raise water level. The planning for the construction of the Kedung Jeruk Weir in Pringapus District, Semarang Regency aims to improve the socio-economic environment in the surrounding area.The redesign is based on secondary data with other supporting data. The analyzes carried out include: hydrological analysis, planning dimensional, analysis of the stability of the weir body, and the safety of the weir body.From the results of the hydrological analysis which includes the calculation of planned rainfall using the Thiesen Polygon method and flood discharge using the Synthetic Unit Hydrograph (HSS) Gama 1 method, the water requirement for irrigation in Pringapus Village is 0.3091 m3/s and the 50th flood discharge is 206, 01 m3/s. Weir width 36 m with 0.83 m high weir. The width of the weir crest is 30.4 m, the flushing width is 3.6 m and the pillar width is 2 m (2 Pillars 1 m each). The radius of the weir of the round threshold type is 0.8 m, the stilling pool type is USBR Type III with a length of 9 m. The value of stability during normal water conditions and flood water conditions is still above the safety value so that the weir building meets the requirements and is safe.
PENELUSURAN BANJIR KOLAM RETENSI SUSUKAN KECAMATAN UNGARAN TIMUR KABUPATEN SEMARANG Khairul, Anita; Fatmawati, Diyah; Pujiastuti, Ratih; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 4, No 2 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i2.493

Abstract

Floods are natural disasters that occur in an area due to the inability of drainage channels or many rivers, in overcoming the flooding problem that occurred a problem that occurred in, Susukan District, East Ungaran District, the Semarang Regency Government has taken action by constructing a retention pond. This research aims to analyze the capacity of the retention pond.This research required data: topographic data, rainfall data and geotechnical soil data. The analysis carried river watershed and hygrological analysis which includes: determining average rainfall, planned flood discharge, flood routing and calculating the stability of the spillway building.From the results of the hydrological analysis, the flood discharge value obtained using the gamma I unit hydrograph method for a 5-year return period was 21,53 m3/second. In flood investigations, an outflow value of 21.11 m3/second was obtained with an overflow height of 1,65 m.
PENINGKATAN JARINGAN IRIGASI DAERAH IRIGASI KRIPIK KOTA SEMARANG Irvan, Muhamad; Nurwakhid, Nurwakhid; Apriyanto, Totok; Pujiastuti, Ratih
Jurnal Teknik Indonesia Vol 4, No 1 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i1.416

Abstract

Water is a very basic need for All living things on this earth without exception. The Kripik River is currently not being utilized by community optimally. For this reason, it is necessary to increase Irrigation Area which aims to increase agricultural production. Currently, the Bendung Kripik area serves an irrigation area of 95,94 Ha with the height of the exsisting weir lighthouse is 1 m.The improvement of the irrigation network is carried out based on secondary data with other supporting data. The analysis carried out includes: hydrological analysis which includes : watershed, maximum rainfall, flood discharge, average rainfall, average climatology, Eto – Penman, F.J Mock mainstay discharge, planting patterns then carried out channel design, weir design and calculation of weir stability.In this study, it was proposed to increase the rice field area by 130.17 Ha From the results of hydrological analysis, the flood discharge value of the Nakayasu Synthetic Unit Hydrograph (HSS) method was obtained when repeating 100 th by 40.10 m3 / s. The water requirement for irrigation of D.I Kripik after the addition of the area is 0.086 m3 / s. As for the bed, a weir width of 30 m with a weir height of 1.05 m is required, a weir lighthouse width of 28 m, a rinse width of 1 m and a pillar width of 1 m (2 Pillars of 1 m each). The radius of the spherical threshold type weir is 0.5 m, the olak pond type is USBR Type IV with a length of 3.50m. Keywords: Irrigation, Weir, Flood Discharge
PERENCANAAN BANGUNAN GEDUNG SUPERMARKET KABUPATEN BOYOLALI Kurniawan, Muhamad; Sasi, Windu; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 4, No 2 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i2.488

Abstract

Boyolali is a developing district in Central Java Province. Therefore, many people from outside the area come to Boyolali to do business or develop their businesses. In order for the activities carried out to run well, adequate and supportive facilities are needed, so the construction of a Supermarket Building is planned. The structural planning for the Boyolali district supermarket building is in Siswodipuran, Boyolali District, Boyolali Regency, Central Java. This supermarket building was built to improve MSMEs for people in Boyolali.This building planning was carried out using primary data, such as soil survey data, and supplemented with other secondary data. This structural planning analysis is assisted by the SAP2000 software application for structural modeling and calculating internal forces. The analysis carried out includes: calculation of the roof structure, beams, columns and foundations.From the analysis results, it was obtained that the roof rafter beam was IWF 300.150.6,5.9, CNP purlins 150.50.20.2.3, steel columns IWF 300.150.6,9.9. Block sizes vary from 40x80 cm, 35x70, 30x60, 25x50, blocks measuring 25x40 and 20x30. Column sizes 80x80 cm, 70x70 cm, 60x60 cm. The foundation uses bored piles F2: 1.20x2.20x1.10 m with 2 bored piles measuring 60x60 cm, depth 5.5 m, F4: 2.20x2.20x1.40 m with 4 bored piles measuring 60x60 cm, depth 5.5 m, F6: 2.20x3.20x1.55 m with 6 bored piles measuring 60x60 cm, depth 5.5 m, F8: 2.20x4.20x2.00 m with 8 bored piles measuring 60x60 cm, depth 5.5 m. From the results, each structural element of the building can be categorized as safe.
ANALISIS DERAJAD KONSOLIDASI PADA PERBAIKAN TANAH DENGAN METODE PRE-FABRICATED VERTICAL DRAIN (PVD) PADA PROYEK PEMBANGUNAN JALAN TOL SEMARANG – DEMAK PAKET 2 Ningrum, Hastari Dita; Anassari, Ririn; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 3, No 2 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i2.370

Abstract

Soft soil is a type of soil that has low shear strength, small coefficient of permeability, compressibility and low soil bearing capacity. 1-D consolidation theory by Terzaghi (1925), assumes that during the consolidation process the value of the consolidation coefficient (Cv) is constant. Flow is only vertical direction. The analysis carried out is to know magnitude of decline and time required to achieve 90% consolidation. Quantitative data is used to analysis numerical data and calculated using existing formulas. Value of settlement using Terzaghi method and principle of normal consolidation is 1.68834 m. To achieve a degree of consolidation of 90% without PVD is 274350 days with a decrease of 1.5196 m. With triangular pattern PVD installation on distance of 0.9 m is 75 days with a large reduction of 1.523 m. Based on the result, time required to achieve a degree of 90% consolidation using PVD is onliy 75 days, while on same day without using PVD consolidation results are around 0.017%. This shows that PVD can speed up the time required for soil consolidation.
Perencanaan Fondasi Pada Pembangunan Gedung 5 Lantai Rumah Sakit Puri Asih Salatiga Lestari, Andini Eka; Wahyuda, Rafly Nur; Apriyanto, Totok; Wibowo, Agung Hari
Jurnal Teknik Indonesia Vol 5, No 2 (2024): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v5i2.648

Abstract

A foundation is a part of a system of substructures that holds its own weight and the entire force load of the superstructure, then passes it on to the soil and rock layers located underneath. Foundation Planning must be done carefully to obtain the appropriate carrying capacity to support the load of the structure on it. Good Foundation Planning will avoid the collapse of the structure on top of it. Before planning the foundation, it is good to carry out a soil investigation to determine the type of foundation used, in addition to the results of the soil investigation can determine the treatment of the soil so that the carrying capacity can support the construction to be built. In the research on foundation planning for this five-storey building structure, it is known that the carrying capacity value generated from sondir data with a qc value of 150 kg/cm2 calculated using the Mayerhoff method is 28198.26 kN/m2. With a combination of serving loads, the bore pile foundation is planned with a diameter of 0.5 meters and a depth of 4 meters. For reinforcement design, a combination of ultimate loads is used. From the results of the calculation of the main reinforcement used 12 D19 and the spiral reinforcement used Ø10.
ANALISIS EVALUASI RENCANA DAN PENGENDALIAN JUMLAH PENGGUNAAN ANGGARAN BIAYA PELAKSANAAN PROYEK PEMBANGUNAN GEDUNG KANTOR PELAYANAN MASYARAKAT DINAS BINA MARGA DAN CIPTA KARYA PROV. JATENG Mahfud, Ari; Rosdiana, Dina Citra; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 4, No 1 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i1.417

Abstract

The Construction Project for the Public Service Office Building for the Highways and Human Settlements Office of Central Java Province is carried out from February to October 2021, with total contract value of Rp. 8,313,888,968. This project using planning and controlling time and costs so that later work will be more efficient, according to plans and objectives. The purpose of this study is to determine the time performance of the Development Project, to find out the problems encountered in the implementation of the Project, as well as the solutions used to overcome the problems that arise. The method used in this study is the Earned Value Concept method in which it combines elements of schedule, cost, and work performance to calculate the estimated cost and time needed to complete the project to completion. The data obtained from the Project includes the Budget Plan (RAB), Project Work Schedule, Daily, Weekly, Monthly Reports and actual cost requirements. Furthermore, an analysis of costs, schedules, and work performance is carried out by explaining the problems that arise during the research. From the results of the research and analysis it is known that the total costs incurred are relatively the same as the budget that has been planned, this is indicated by the results of CV = 1 and the project implementation time has been delayed from the planned schedule, indicated by the results of SPI = 6.6883 The results of calculating an estimated cost of Rp. 8,313,888,968 with an estimated completion time of 36 weeks which indicates a delay of 1 week from the planned 35 weeks. Where this delay was caused by several factors such as weather conditions which were in the rainy season when the project was running, damage or inadequate tools.
STUDI KOMPARASI KAPASITAS AXIAL BORED PILE DENGAN BERBAGAI FORMULA PADA PEMBANGUNAN SD ISLAM MAKARIMA KARTASURA Aprilia, Dwi Ayu; Wati, Sri Endang Wijaya Listiya; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 4, No 2 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i2.489

Abstract

The foundation is part of an engineering system that transmits the load supported by the foundation and its weight to and into the soil and rocks beneath it (Bowles, 1997). The Makarima Islamic Elementary School construction project was built using a 40 cm bored pile foundation. This study aims to determine the axial load transmitted to the foundation using SAP 2000 analysis and to determine the comparison of the foundation's bearing capacity based on the Sondir Test or CPT (Cone Penetration Test) data using various methods, namely based on the Mayerhoff, Schmertmann and Nottingham, and Aoki De Alencer methods. From the results of the SAP 2000 analysis, the axial force value was 162.7823 tons. From the Sondir data, the results of calculating the carrying capacity of a single pile foundation using the Meyerhoff method were 59.68 tons, the Aoki De Alencer method was 39.61 tons, and the Schmertman and Nottingham method was 43.54 tons, while the results of calculating the carrying capacity of the foundation group the Meyerhoff method was 256.89 tons, the Aoki De Alencer method was 170.5 tons, and the Schmeretman and Nottingham method was 187.43 tons. From the results of these calculations, the foundation is safe to use.
Co-Authors Afrida, Eric Agung Hari Wibowo Agus Prasetyo Anassari, Ririn Anggraeni, Savira Mirda Aprilia, Dwi Ayu Effendi, Ahmad Yusuf Fakhri, Khoirudin FATMAWATI, DIYAH Hartopo, Hartopo Hasan, Muhammad Alwi HERIYANTO, ACHMAD Irvan, Muhamad Istiari, Imas Joko Susilo Junior, Muhammad Berry Tan Khairul, Anita Lestari, Andini Eka Mahfud, Ari Maulana, Alvino Fikri Merytsa, Aldila Winda Muhamad Kurniawan, Muhamad MUNIF, AHMAD Ningrum, Hastari Dita Nurrosyid, Muh. Ilham Nurwakhid, Nurwakhid Paryanto Paryanto Permadi, Dede Yusuf Pradana, Jehan Adi Prakosa, Galang Eko Putro, Wibisono Handoko Ratih Pujiastuti Rizal, Fachri Fatkhur Rizkiyawan, Fajar Romadhon, Achmad Akbar Rosdiana, Dina Citra Saputro, Muh Alhadad Sasi, Windu Sulistriono, Endro Susanto, Ahmad Susanto, Hanggara Yudi Sutopo, Shafa Tasya Tenardhy Aryarama Wijaya Triyanto, Bambang Wahyuda, Rafly Nur Wati, Sri Endang Wijaya Listiya Wibowo Wibowo