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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Fondasi: Jurnal Teknik Sipil RACIC : Rab Construction Research Dinamisia: Jurnal Pengabdian Kepada Masyarakat axial : jurnal rekayasa dan manajemen konstruksi Musamus Journal of Civil Engineering APTEK Jurnal Abdidas Journal of Civil Engineering and Planning (JCEP) STATIKA: Jurnal Teknik Sipil Journal of Infrastructure and Civil Engineering Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat SAINSTEK Jurnal Pengabdian Masyarakat Sains dan Teknologi Jurnal Pengabdian Masyarakat Bangsa Journal of Global Engineering Research & Science (J-GERS) JIM ( Journal International Multidiciplinary) Impression : Jurnal Teknologi dan Informasi Lumbung Ngabdi: Jurnal Pengabdian Masyarakat Aspal : Jurnal Aspirasi Teknik Sipil
Puspa Ningrum
Universitas Abdurrab
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Sosialisasi Cara Penggunaan Apar (Alat Pemadam Api Ringan) Sebagai Bagian Dari Edukasi Keselamatan Dan Kesehatan Kerja (K3) Mubarak, Husni; Ningrum , Puspa; Toyeb, Muhammad; Setiawan, Debi; Lestari, Suci Sinta; Putri, Ramalia Noratama
JDISTIRA - Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat Vol. 3 No. 1 (2023)
Publisher : Yayasan Rahmatan Fidunya Wal Akhirah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58794/jdt.v3i1.456

Abstract

Kebakaran merupakan suatu nyala api, baik kecil maupun besar pada tempat yang tidak kita kehendaki dan dapat merugikan pada umumnya apabila api tersebut sukar dikendalikan. Akhir-akhir ini sering kali di media massa memberitakan tentang kasus kebakaran, baik itu karena faktor alam, maupun karena kelalaian teknis seperti konsleting listrik, ledakan kompor gas, membuang puntung rokok sembarangan, dan lain sebagainya. Oleh karena itu, sebagai bentuk rasa peduli terhadap keadaan sekitar, dari permasalahan diatas diadakan sosialisasi cara penggunaan APAR (Alat Pemadam Api Ringan) sebagai bentuk dari K3 (Keselamatan dan Kesehatan Kerja). SMK Taruna Pekanbaru sebagai lokasi dilakukannya kegiatan pengabdian, karena siswa/i SMK dapat bertindak sebagai agent of change. Kegiatan pengabdian ini memberikan manfaat berupa ilmu pengetahuan agar siswa/i SMK mampu menggunakan APAR dengan tepat pada saat terjadi kebakaran skala kecil, sebagai wujud dari penanggulangan kebakaran dan penyelamatan diri. Sebagai bentuk tindak lanjut untuk mengetahui ketercapaian dari kegiatan yang dilaksanakan, Tim Pengabdi melakukan survey dengan menyebarkan kuisioner pada siswa siswi SMK Taruna dan juga kuis untuk mengetahui tingkat pemahaman dari siswa siswi SMK Taruna Pekanbaru.
Analysis Of Compressive Strength Of Foam Mortar With The Use Of Teratak Buluh Sand And Ringgit Sand Tisnawan, Rahmat; Doni Rinaldi Basri; Puspa Ningrum; Zulfikar, Adyus
JIM - Journal International Multidisciplinary Vol. 1 No. 2 (2023)
Publisher : Rumah Jurnal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58794/jim.v1i2.479

Abstract

The core material in the manufacture of lightweight concrete (foam mortar) is influenced by the composition of the mixture of fine aggregate. The purpose of the study was to compare foam mortar with foaming agent using two types of fine aggregates from different sources, namely Teratak Buluh Sand, Kampar and Ringgit Sand, Indragiri Hulu. This study focuses on testing the properties of fine aggregate, flow value, bulk density and Unconfined Compression Strength (UCS) of foam mortar. The fine aggregate of Teratak Buluh has a mud content value of 0.50% while the ringgit sand silt content value is higher with a 1.92% mud content percentage value where the maximum silt content value is 3%. In this study, both types of aggregates had variations in the mixture of sand to cement, namely 18/82%; 16/84%; 15/85%; 14/86% and 12/88%. The flow value in a mixture of 14/86% Teratak Buluh Sand and a mixture of 12/88% ringgit sand has a flow value of 19.00 cm which is the highest value of the five variations. Teratak Buluh sand mixture of 14/86% has a higher value than the five variations, which is 781.67 Kg/m3 while ringgit sand has the highest density value of 758.12 Kg/m3 in a mixture of 12/88%. The value of Unconfined Compression Strength (UCS) using Teratak Buluh sand is superior when compared to the use of ringgit sand. The average value of the Unconfined Compression Strength (UCS) of lightweight foam mortar material from the use of mixed teratak buluh sand of 14/86% (1136.80 kPa) and 12/88% (1175.78 kPa) has the highest value which is close to the reference Unconfined Compression Strength (UCS) of the mixture. 15/85% (1253.73 kPa) while the mixture was 18/82%; 16/84% Teratak Buluh and 18/82%; 16/84%; 15/85%; 14/86%; 12/88% ringgit sand has the lowest f Unconfined Compression Strength (UCS) which does not meet the design Unconfined Compression Strength (UCS) of 1000 kPa and 800 kPa based on the SE-PUPR-46-SE-M-2015 specifications.
Bearing Capacity Analysis of Pile Foundation in Reservoir Construction Ningrum, Puspa; Husnah; Saputro, Dimas Andrian
JIM - Journal International Multidisciplinary Vol. 1 No. 2 (2023)
Publisher : Rumah Jurnal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58794/jim.v1i2.502

Abstract

The foundation was an important part of the structure. In foundation design, it was necessary to considered the foundation condition to be built must be able to support the load up to the allowable capacity. To determine a safe foundation requires analysis using several of static methods. This research was conducted to obtain a critical bearing capacity so that it can be used to determine a very safe foundation. In this study, analysis of the bearing capacity of pile foundations was calculate using the method of Briaud et al. (1985), Meyerhof (1956), Decourt (1982), Shioi & Fukui (1982) based on SPT N-value obtained from the field at borehole 1 (BH-01) and borehole 2 (BH-02). Based on the analytical result of the bearing capacity calculation of a pile foundation with a diameter of 0.35m on depth of 24m, The lowest of bearing capacity (critical value) used to determine the number of piles is the method of Briaud et al. (1985) was 90.55 tons at borehole 1 and 87.06 tons at borehole 2. This value was use as a guideline for determining the number of pile foundations used in reservoir construction design.
Pengaruh Penambahan Palm Oil Fuel Ash terhadap Nilai Kuat Tekan Bebas Tanah berdasarkan Hasil Uji UCT Ningrum, Puspa; Toyeb, Muhammad; Auliandi, Muhamad
SAINSTEK Vol. 11 No. 2 (2023)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/js.v11i2.229

Abstract

In general, problematic soil needs to be repaired so that the basic soil becomes better and can be requirements for a construction base. In this research, an alternative soil stabilization was carried out by adding Palm Oil Fuel Ash (POFA). POFA has pozzolanic properties which are very useful in the soil stabilization process because it can increase the binding force between stabilized soil particles. In this research, POFA was used as a mixture in basic soil with percentages of 20%, 30%, and 40%. The age of curing was carried out for 0, 7, 14, and 28 days. Based on the research results, it was found that adding POFA was effective for increasing soil strength, namely at percentages of 20%. If the percentage content of POFA is too much, the binder contained in the mixed soil can affect the behavior of the soil when it reacts with water. By increasing the POFA content by 20%, the maximum plasticity index (PI) decrease was obtained, namely 8.52% and the maximum unconfined compressive strength value was 240.82 kN/m2 at a curing age of 28 days.
Analisis Produktifitas Alat Berat pada Pekerjaan Timbunan Proyek Jalan Tol Padang-Sicincin STA.13+300 - 13+900 Aprillia Rani Hamidah; Puspa Ningrum; Rahmat Tisnawan
aspal Vol 1 No 2 (2023): Aspal : Jurnal Aspirasi Teknik Sipil
Publisher : Unmuh Babel Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/aspal.v1i2.26

Abstract

The toll road of Padang - Sicincin uses earth embankments in the construction process. In earth filling work, there is a target that must be met, namely that it must be able to spread and compact the soil by 1,474,809 m3/day, where this volume is the plan to meet the target that has been set. The problem that is currently occurring is that the land for the toll road entrance at STA 13+300 – 13+900 on Jalan Nagari Lubuk Alung has just been acquired in 2022. From the results of a field inspection that took approximately a week, there was a delay in terms of landfill work. in the field. Therefore, it is necessary to research to find out the causes of delays. The focus of this research is to determine the productivity of heavy equipment to determine solutions to catch up with work delays that are occurring. After conducting a review in the field, the results obtained from each heavy equipment were 1,471,150 m3/day (excavator), 1,464,610 m3/day (dump truck), 3,086,070 (bulldozer), and 4,150,272 m3/day. (vibro roller). From the results obtained, the excavators and dump trucks in the field were unable to meet the planned targets. Therefore, the handling efforts carried out are by increasing the number of excavators and dump trucks working in the field. Based on the results of calculations and analysis, to complete the embankment work on time, increase the number of tools by two units for excavators and three units for dump trucks. With this additional simulation, the time required to complete work in the field is 13 days faster than the planned time that had been made.
KORELASI ANTARA KUAT TEKAN BEBAS DAN KEPADATAN TANAH DICAMPUR ABU SAWIT TERAKTIVASI ALKALI AKTIVATOR Toyeb, Muhammad; Ningrum, Puspa; Elizar, Elizar
axial : jurnal rekayasa dan manajemen konstruksi Volume 13, Nomor 2, Agustus Tahun 2025
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/axial.v13i2.4472

Abstract

Tanah dengan daya dukung rendah memerlukan stabilisasi untuk meningkatkan kekuatan dan kestabilannya, terutama dalam pembangunan infrastruktur jalan. Penelitian ini bertujuan untuk mengevaluasi pengaruh penambahan abu sawit (POFA) dan alkali aktivator terhadap kuat tekan bebas (UCS) dan nilai California Bearing Ratio (CBR) tanah asli. Metode yang digunakan adalah eksperimen laboratorium dengan variasi komposisi POFA dan pemberian alkali aktivator sodium hidroksida (NaOH) 10 M dan sodium silika (Na2SiO3) pada tanah asli. Pengujian dilakukan untuk mengukur nilai UCS dan CBR pada variasi campuran 20 persen POFA dan alkali aktifator rasio Si/Al 2.5. Hasil penelitian menunjukkan bahwa penambahan POFA secara signifikan meningkatkan kekuatan dan daya dukung tanah, dengan peningkatan paling tinggi terjadi pada campuran 20 persen POFA dengan larutan alkali aktivator, di mana nilai UCS dan CBR meningkat lebih dari 6 kali lipat dibandingkan tanah tanpa perlakuan. Analisis korelasi antara UCS dan CBR menghasilkan model regresi logaritmik CBR = 24.162x – 4.9963 yang menunjukkan hubungan positif dan signifikan antara kedua parameter. Temuan ini mengindikasikan bahwa nilai UCS dapat digunakan sebagai parameter prediktif untuk memperkirakan nilai CBR, yang bermanfaat dalam proses desain dan evaluasi tanah dasar perkerasan. Stabilisasi tanah menggunakan POFA dan alkali aktivator terbukti efektif dan berpotensi diterapkan secara luas dalam pendekatan rekayasa geoteknik berkelanjutan, sekaligus mendukung pemanfaatan limbah industri sebagai material konstruksi alternatif.
PERILAKU STRES JALUR UJI TRIAKSIAL PADA TANAH LEMPUNG KARAWANG puspa ningrum
Racic : Rab Construction Research Vol. 4 No. 2 (2019): Desember
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1609.377 KB)

Abstract

Generally, laboratory testing to determine the value of soil shear strength and stress path is triaxial test, especially for clay soil. In this research, the clay used for digital triaxial testing on axial compression (AC) stress path is Karawang clay soil, West Java, which have high plasticity (CH) in USCS classification. On pre-saturation process, a combination of vaccum and back pressure is used to speed up the saturation of the sample and to provide a high degree of saturation. Furthermore, the obtained soil parameters are used as inputs on finite element modeling which Mohr Coloumb and Hardening Soil model were used as the soil constitutive models. The results show that parameter optimization using hardening soil modeling has a behavior that is closer to the shape of the stress strain curve from laboratory tests.
PENURUNAN KEKUATAN TANAH TERSTABILISASI PALM OIL FUEL ASH BERBASIS ALKALI AKTIVATOR MATERIAL DILINGKUNGAN GAMBUT Muhammad Toyeb; Husni Mubarak; Puspa Ningrum; Jefri Gunawan Tanjung
Racic : Rab Construction Research Vol. 8 No. 1 (2023): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i1.3530

Abstract

Peat water contains low pH and acid caused corrosive on cementation structure as stabilized soil based alkali activated POFA. The soil samples mixed with different percentages of POFA (5%, 10%, and 15%) and alkali activator solution (sodium silica; Na2SiO3) and sodium hydroxide, NaOH) were immersed in peat water for various durations (0, 7, 14, and 28 days). The test results for the physical properties of the soil showed that the addition of POFA decreased the plasticity index and increased the optimum moisture content (OMC) while reducing the dry density (MDD) of the soil mixture. Furthermore, the unconfined compressive strength test indicated that the soil's strength increased at a 5% and 10% POFA content after 7 days of immersion, with strengths of 760 kPa and 1312 kPa, respectively. However, the strength significantly decreased by over 50% after 28 days of immersion, reached 365 kPa and 372 kPa for the respective POFA contents. A slight increase in soil strength was observed with the addition of 15% POFA content during the immersion period. Although the strength obtained after 28 days was almost the same for all mixtures at 356 kPa, higher levels of aluminosilicate synthesis as 15% POFA can enhance the bonding strength between soil particles, making the test specimen more resistant to acid attack.
PENINGKATAN KESELAMATAN LALU LINTAS DIRUAS JALAN PETAPAHAN – SURAM KM ± 59-60 DESA PETAPAHAN KABUPATEN KAMPAR Husni Mubarak; Desky Aldino; Puspa Ningrum
Racic : Rab Construction Research Vol. 8 No. 2 (2023): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i2.3647

Abstract

Petapahan – Suram KM ±59 - 60 is a causeway with the status of a Provincial Road which is the authority of the Riau Provincial Transportation Office in completing the infrastructure aspects of the Petapahan - Suram KM ±59 - 60 road section. With such conditions, traffic problems arise in the form of traffic accidents. Therefore, to overcome the traffic problem, an analysis is needed to overcome the problem. The analysis method used in this peelitian is by Macro Analysis and Micro Analysis. Macro Analysis was conducted to determine the characteristics of accidents in general how the tendency of traffic accidents on the Petapahan – Suram KM ±59 - 60 road section. Macro Analysis uses simple numerical analysis namely analysis of the time of the accident incident, analysis based on the month of the incident, analysis of accident victims, analysis of the type of accident. For micro analysis consists of several analyses consisting of analysis based on accident chronology data, analysis of factors causing accidents, analysis of instantaneous. speed / spot speed and analysis of stop visibility. After the analysis, it was concluded that the factors causing many accidents that occurred in Petapahan – Suram KM ±59 - 60 were human factors and environmental factors. The human factor is the main factor in accidents that occur. So this research is needed to overcome these problems such as addition, replacement and maintenance for road equipment facilities in accordance with technical requirements.
PENGARUH RASIO ALKALI AKTIVATOR DALAM CAMPURAN TANAH-POFA BERDASARKAN UJI TEKAN BEBAS Muhammad Toyeb; Puspa Ningrum
Racic : Rab Construction Research Vol. 9 No. 1 (2024): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i1.4579

Abstract

Modern soil stabilization has included environmentally friendly materials in the mixture design. Adding an alkali activator provides an alternative to the innovation of the binder agent for soil stabilization. This study aims to know the effect of adding the alkali activator soluble for soil-POFA mixture on changes in the soil strength characteristic through an unconfined compression test (UCT). The alkali activators are sodium silica (Na2SiO3) and Sodium Hydroxide (NaOH). They prepare with a ratio Si/Al: 1.0, 1.5, 2.0, 2.5, and NaOH concentrated at 10M. Compressive strength to the soil-POFA mixture obtained slightly increased strength, and the soil is clayey sand poorly graded. However, adding the alkali activator increases the soil strength significantly. Thus, the soil-POFA with the alkali activators gained the maximum compressive strength on a ratio of 2.5, and it all has the characteristic of rapid hardening in the initial period as a binder agent.
Co-Authors Abdullah Adhha Adi Poetra, Akram Ahmad Auliadi Yufrizal Ahmad Kurnain Ahmad Kurnain Ahmad Kurnain, Ahmad Aisah Aisah Alputra, Giya Naufal Anita, Fenny Anugrah, Ihsanul Arkan Apriani, Jesa Anggi Aprillia Rani Hamidah Aqil Farras Arisandi, Diki Auliandi, Muhamad Ayu Sinta Aprilia Cahyo Agung Saputra Cantika, Haura Rindu Chahyaningsih, Sintiya Chaser Brust Tito Debi Setiawan, Debi Desky Aldino Doni Rinaldi Basri Elizar Elizar, Elizar Fadli Azzuhri Fauzi Buldan Yaumun Hamdani, Rizki Harianti, Dini Harnedi Maizir Hartati, Seri Husaini, Rizki Ramadhan Husnah Husnah Husnah Husni Mubarak Husni Mubarak Husni Mubarak Husni Mubarak Ihsan, Fahkrul Ihsanul Arkan Anugrah Jefri Gunawan Tanjung Khairunnisa Syarif Khairunnisa' Syarif lestari, Suci Shinta Lestari, Suci Sinta Liza Trisnawati Luluk Elvitaria, Luluk M Fajar Anugerah Mizan Asnawi Muhammad Arif Muhammad Hanif Ahda Muhammad Irham Muhammad Toyeb Muhammad Toyeb Muhammad Yazid Muhammad Yazid Muhardi Muhardi Muhardi Muhmmad Yazid Oki, Jeni Pratiwi, Yuharika Rahmat Kurniawan Rahmat Tisnawan Ramadani, Jaka Ramalia Noratama Putri Ria Gusri Widyas Tuti Rinaldi Basri, Doni Rizki, Maulidya Ahsanu Roza, Delvia Saputra, Haris Tri Saputro, Dimas Andrian Sari, Tyagita Widya Sihol Marudut Tua Sinaga Siregar, Zahpan Jundi Soewignjo Agus Nugroho syaflenedi Syahidus Syuhada Syurya Adi Pratama Toni Hartono Bagio Toni Hartono Bagio Toyeb, Muhammad Try Lestari Sihotang Yulnefia Yulnefia Yusiana, Finna Zulfikar, Adyus