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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Bangunan Civil Engineering Dimension BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Journal Innovation of Civil Engineering (JICE) JAPI: Jurnal Akses Pengabdian Indonesia
Puput Risdanareni
Universitas Negeri Malang
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Energy Engineering Environmental Science Health Professions Nursing Public Health Transportation Other

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Effect of the Use of Metakaolin Artificial Lightweight Aggregate on the Properties of Structural Lightweight Concrete Puput Risdanareni; Afif Achsanul Choiri; Boedya Djatmika; Poppy Puspitasari
Civil Engineering Dimension Vol. 19 No. 2 (2017): SEPTEMBER 2017
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (425.241 KB) | DOI: 10.9744/ced.19.2.86-92

Abstract

This paper investigates the effect of using metakaolin Artificial Lightweight Aggre­gates (ALWA) as a substitute for coarse aggregates to produce structural lightweight concrete. A combination of 10M NaOH solution and sodium silicate solution was used as alkali activator. The ratio between the metakaolin binder and the alkali activator used in producing metakaolin ALWA is 48%:52%, by mass. It is shown that metakaolin ALWA has higher abrasion and water absorption, and lower bulk density values compared to normal aggregates. To determine the effect of using metakaolin ALWA as coarse aggregates in concrete, three variations of ALWA dosages were used, i.e. 0%, 50%, and 100% of the total coarse aggregates, by volume. The results show that the compressive strength of concrete decreased along with the increase of ALWA content in the mixture. However, concrete using 100% ALWA as coarse aggregates meets the requirements of compressive strength and density of structural light weight concrete.
Master plan design in developing village tourism potential with a Community Participatory Model Puput Risdanareni; Cynthia Permata Dewi; Nindyawati Nindyawati; Titi Rahayuningsing; Dwi Prastiyo; Adi Susetyo
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol 8, No 2 (2023): May 2023
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v8i2.8946

Abstract

Pait Village, located in Kasembon Sub-district of Malang Regency, is a village with high natural tourism potential. However, the allure of tourism in Pait Village, which is located in a green area and surrounded by rivers and waterfalls, still lacks development. Carrying the main mission to increase the tourism potential in Pait Village, the community service team will develop a water tourism design in the form of a multifunctional fishpond. This fishpond will solve the problem of water surplus due to agricultural land runoff. In addition, this pond can be an alternative source of animal protein for residents and an integrated water tourism location in the Kasembon Area. The implementation method carried out in this program is to analyze the needs of the Pait village integrated Master Plan design with a community participatory model. The results of the Pait Village water tourism master plan design are in the form of a 3D mockup of water tourism and a cultivation pond that can be used as an amphitheater along with the regional expenditure budget plan (RAB).
Pengembangan Desain Master Plan Taman Rekreasi Sebagai Upaya Peningkatan Potensi Wisata Berbasis Alam Di Desa Wonokerso Puput Risdanareni; Cynthia Permata Dewi; Nindyawati Nindyawati; Titi Rahayuningsih
JAPI (Jurnal Akses Pengabdian Indonesia) Vol 9, No 1 (2024)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/japi.v9i1.5313

Abstract

Desa Wonokerso yang terletak di Kecamatan Pakisaji, Kabupaten Malang merupakan sebuah desa dengan topografi yang relative datar. Wilayah desa yang relative datar membuat sebagian lahan desa digunakan sebagai lahan pertanian padi. Dengan letak yang strategis, yang dilalui jalan utama penghubung ke Kepanjen, Desa Wonokerso menjadi area yang cocok untuk pengembangan taman hiburan atau rest area. Peningkatan potensi wisata Desa Wonokerso dengan pembuatan master plan rest area ini telah dimulai oleh mahasiswa Kuliah Kerja Nyata (KKN). Akan tetapi pengembangan taman rekreasi masih diperlukan, terutama di penambahan kolam renang anak. Oleh karena itu dalam pengabdian wilayah mitra ini, solusi yang ditawarkan adalah pelaksanaan re-desain master plan rest area atau taman hiburan dengan penambahan kolam renang anak. Tujuan kegiatan pengabdian kepada masayarakat adalah membuat desain master plan rest area dan kolam renang. Metode yang digunakan adalah model pendampingan partisipatif akan dilakukan dalam proses desain master plan. Warga desa, Bumdes, dan perangkat desa secara aktif dilibatkan dalam proses desain, agar kebutuhan warga terwadahi dengan tepat di dalam desain. Hasil kegiatan pengabdian kepada masyarakat ini menghasilkan master plan yang menjadi pedoman oleh masyarakat desa. Selain itu warga, Bumdes maupun perangkat desa menyatakan puas dengan hasil desain master plan taman rekreasi di Desa Wonokerso. 
Optimization of Hanger Spacing of Steel Arch Bridges Using Dynamic Loads Bathista, Moch. Dhoni; Sulasmono, Raden Ian; Risdanareni, Puput
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 20 No. 1 (2024): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v20i1.67074

Abstract

Bridges are basic infrastructure that must be met to create regional connectivity in Indonesia. One type of bridge that is often used is a curved bridge, which has the advantages of high strength, attractiveness, aesthetics and economy. In order to accelerate the development of bridge infrastructure, an efficient innovation in curved bridge design is needed. The development of curved bridge structures to achieve efficient designs has received much attention in several decades. However, researchers have only focused on optimising the geometry variation of the arch height. Therefore, the aim of this research is to innovate the optimisation of the hanger spacing on the arch bridge structure. In order to obtain optimal results, a bridge model is carried out by varying the hanger spacing of the centre model with a hanger spacing ratio of (1.3 - 1.1 - 0.9 - 0.7), a flat model with a hanger spacing ratio of (1 - 1 - 1 - 1) and an edge model with a hanger spacing ratio of (0.7 - 0.9 - 1.1 - 1.3), so that from the three models, the effect of hanger location on three conditions is obtained. Each model is modelled in the SAP2000 software and given a bridge service load to obtain the internal forces and deflections that occur. The output of the internal force and deflection is then analysed to determine the effect of the location of the bridge service hanger. The serviceability of the bridge is also analysed by calculating the ratio between the weight of the bridge and the deflection that occurs. The results of the analysis show that the location of the hanger affects the performance of the arch bridge structure. The centre model bridge design produces the most efficient structural performance in resisting the compressive axial forces and moments that occur, and produces the least deflection. Meanwhile, the edge model will provide the most efficient structural performance in resisting tensile axial forces.  By referring to the results of the bridge weight to deflection ratio analysis, it can be concluded that the centre model produces the most efficient structural design when compared to other curved bridge models.
OPTIMASI JARAK ELEMEN MELINTANG PADA JEMBATAN BAJA PELENGKUNG TIPE VIERENDEEL Sulasmono, Raden Ian; Bathista, Moch. Dhoni; Risdanareni, Puput
BANGUNAN Vol 29, No 1 (2024): BANGUNAN EDISI MARET
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um071v29i12024p%p

Abstract

Abstrak:Indonesia merupakan negara yang tersusun atas ribuan pulau yang saling terpisah. Jumlah jembatan di Indonesia hingga tahun 2021 adalah sebanyak 18.931-unit dan dari jumlah tersebut sebanyak 2.938-unit dalam kondisi kritis dan perlu dilakukan Pembangunan ulang oleh pemerintah. Salah satu jenis jembatan yang banyak digunakan adalah jembatan pelengkung Vierendeel yang memiliki banyakkeunggulan. Walaupun begitu pendesainan jembatan pelengkung harus melalui langkah-langkah yang benar agar keunggulan-keunggulan tersebut dapat maksimal. Salah satu usaha untuk meningkatkan performa jembatan pelengkung ialah dengan melakukan optimasi elemen melintang. Beberapa penelitian telah mencoba melakukan hal tersebut, dengan cara mengurangi jumlah elemen. Metode pengurangan elemen ini dinilai masih kurang optimal, sehingga dalam penelitian ini dilakukan penambahan variabel berupa pengaturan jarak antar batang melintang. Didasari hal itu, penulis ingin menutup riset gap dengan melakukan analisis untuk mencari rasio jumlah dan jarak batang melintang sehing ga didapatkan konfigurasi struktur yang efisien. Dari hasil analisis menggunakan software SAP2000. v22 diperoleh hasil bahwa parameter elemen melintang bawah yang paling efisien adalah 1/8-OB1 dengan rasio struktur 19,644. Kemudian untuk parameter elemen melintang atas yang paling efisienadalah OA1 dengan rasio struktur 20,257. Dengan hasil tersebut maka dapat diketahui bahwa semakin sedikit elemen melintang maka semakin efisien rasio yang didapatkan dimana hal ini juga dipengaruhi oleh beban yang diberikan yang tidak memiliki pengaruh signifikan terhadap elemen melintang. Kata-kata kunci: Elemen Melintang; Rasio; Struktur Jembatan Abstract: Indonesia is a country composed of thousands of islands that are separated from each other. The number of bridges in Indonesia until 2021 is 18,931-units and of this number as many as 2,938-units are in critical condition and need to be rebuilt by the government. One type of bridge that is widely used is the Vierendeel arch bridge which has many advantages. Even so, the design of arch bridges must go through the right steps so that these advantages can be maximized. One of the efforts to improve the performance of arch bridges is to optimize transverse elements. Some studies have tried to do just that, by reducing the number of elements. The method of reducing this element is considered still not optimal, so in this study an additional variable was carried out in the form of setting the distance between transverse rods. Based on this, the author wants to close the gap research by conducting an analysis to find the ratio of the number and distance of transverse bars so that an efficient structural configuration is obtained. From the results of the analysis using SAP2000.v22 software, it was obtained that the most efficient parameter of the lower transverse element was 1/8-OB1 with a structure ratio of 19.644. Then forthe parameter of the upper transverse element the most efficient is OA1 with a structure ratio of 20.257. With these results, it can be seen that the fewer transverse elements, the more efficient the ratio obtained which is also influenced by the load given which does not have a significant effect on transverse elements. Keywords: transverse elements; Ratio; Bridge Structure
THE EFFECT OF USING HIGH VOLUME FLY ASH (HVFA) ON THE PROPERTIES OF FRESH MORTAR Puput Risdanareni, Tantri Raras Morowati
BANGUNAN Vol 27, No 1.1 (2022): BANGUNAN EDISI MARET SPESIAL
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um071v27i1.12022p%p

Abstract

Abstract: This study aims to understand the effect of using High Volume Fly Ash (HVFA) on the properties of fresh mortar. Mortar properties such as cement paste setting time, fresh mortar flow value, and mortar compressive strength were tested in this study. The results showed that the higher the fly ash content used in the mixture, the longer the paste setting time occurred. The initial bonding time of the cement paste with the control specimen, fly ash content of 0, 50 and 75% occurred at the 131st minute, 17.5th minute, 15th minute and 28th minute, respectively. The final binding time of the control sample cement paste, fly ash content of 0, 50 and 75% occurred in the 210th minute, 50th minute, 70th minute and 95th minute, respectively. The results showed that the use of High-Volume Fly Ash (HVFA) could increase the workability of fresh mortar. This is evidenced by the use of fly ash 50% causes an increase in flow value as much as 20.5% and the use of fly ash 75% causes an increase in flow value as much as 42.7%. Research proves that the higher the fly ash content used in the mixture, the lower the compressive strength value produced by the mortar. The results of the compressive strength test of HVFA mortar with control sample specimens, fly ash content of 0, 50 and 75% respectively were 16.6 Mpa, 6.3 Mpa, 5.2 Mpa, and 4.5 Mpa.Kata Kunci: HVFA, fresh mortar, setting time, compressive strength
Durabilitas beton yang mengandung agregat ringan buatan berbahan dasar abu terbang (fly ash) Ditya Hafiz Rosyidi; Mohammad Sulton; Puput Risdanareni
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 13 No. 1 (2024)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.13.1.7966.11-17

Abstract

Rendahnya konsumsi fly ash di Indonesia perlu diatasi untuk menghindari penimbunan material ini. Penggunaan bahan ini sebagai bahan baku untuk memproduksi agregat ringan menjadi salah satu solusi alternatif untuk meningkatkan konsumsi fly ash, karena agregat ini memiliki porsi yang cukup tinggi dalam campuran beton. Namun, karena agregat ringan memiliki porositas yang tinggi, maka daya tahan agregat ringan terutama dalam hal penyerapan air di lingkungan yang agresif perlu diteliti. Oleh karena itu, penelitian ini bertujuan untuk mengetahui durabilitas beton yang mengandung fly ash-based lightweight aggregate (FA LWA) di lingkungan garam. Lingkungan garam ditirukan dengan larutan natrium klorida dan natrium sulfat. Pada produksi beton, aggregat kasar disubsitusi dengan FA dan EC LWA dengan kadar penggantian 50 dan 100%. Selanjutnya sifat fisik, mekanik dan durabilitas beton dinilai dengan melakukan uji berat jenis, kuat tekan dan kecepatan kapiler di lingkungan garam. Hasil penelitian menunjukkan bahwa berat jenis berbanding terbalik dengan persentase kandungan LWA yang digunakan. Selain itu, dari hasil uji serapan air kapiler beton menunjukkan bahwa beton yang mengandung FA LWA memperoleh nilai serapan yang lebih tinggi dibandingkan dengan beton kontrol. Berdasarkan hasil uji serapan air kapiler dengan menggunakan larutan yang berbeda, menunjukkan bahwa beton FA LWA lebih tahan dalam lingkungan basa atau mengandung larutan garam (NaCl). Hasil penelitian ini berkontribusi memberi terobosan baru bahwa konsumsi fly ash dapat ditingkatkan dengan mentransformasi fly ash menjadi aggregate ringan buatan yang memiliki ketahanan tinggi di lingkungan air laut.
Pembangunan Sarana Prasarana Penunjang Kegiatan Masyarakat Berupa Gazebo Untuk Meningkatkan Potensi Wisata Di Desa Wonokerso Risdanareni, Puput; Handayani, Agil Fitri; Nindyawati, Nindyawati; Rahayuningsih, Titi
JAPI (Jurnal Akses Pengabdian Indonesia) Vol 10, No 1 (2025)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/japi.v10i1.6446

Abstract

 Desa Wonokerso, sebuah desa di kecamatan Pakisaji memiliki lokasi yang strategis untuk dijadikan penghubung antara pusat kota malang dengan pusat pemerintah kabupaten malang. Dengan keistimewaan lokasi ini Desa Wonokerso sangat strategis untuk dikembangkan menjadi desa wisata pertanian dan pendidikan. Salah satu upaya dalam meningkatkan potensi wisata ialah dengan mendirikan sarana prasarana yang memadai seperti area rest area terpadu. Masterplan pengembangan wilayah rest area, playground dan sarana olahraga di Desa Wonokerso telah mulai dirintis oleh tim pengabdian UM sejak tahun 2022. Akan tetapi akibat keterbatasan dana, Pembangunan sarana prasarana ini belum sepenuhnya terlaksana. Oleh karena itu dalam program pengabdian wilayah mitra kali ini tim pengabdian membangun sarana prasara pendukung rest area berupa gazebo. Gazebo yang telah dibangun didesain sesuai dengan karakteristik khas desa Wonokerso. Model pendampingan partisipatif dilakukan dalam proses desain, pembangunan dan pengawasan gazebo di rest area Desa Wonokerso. Warga desa, Bumdes dan perangkat desa secara aktif dilibatkan dalam proses desain, agar kebutuhan warga terwadahi dengan tepat di dalam desain. 
DURABILITAS KOLOM BETON TULANGAN BAMBU TERHADAP PENGARUH SUHU TINGGI Wardana, Erik Fadilah Kusuma; Umniati, B. Sri; Risdanareni, Puput
Journal Innovation of Civil Engineering (JICE) Vol 6 No 1 (2025)
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/jice.v6i1.23582

Abstract

Reinforced concrete plays a crucial role in structural systems by providing strength and stability to buildings. Recent advancements in construction technology have introduced bamboo as an alternative reinforcement material to steel, due to its relatively high tensile strength (up to 253 MPa). However, bamboo's high cellulose content increases its vulnerability to fire. During building fires, structural elements may be exposed to temperatures between 800–1000°C for up to one hour. This study aims to investigate the effect of elevated temperatures on the axial load capacity and strain behavior of bamboo-reinforced concrete columns. Two reinforcement types were tested: (1) intact round bamboo with spiral steel stirrups, and (2) slatted bamboo with rectangular steel stirrups. All specimens were made using 25 MPa concrete with dimensions of 15×15×60 cm, and were exposed to 800°C for one hour before testing. Results showed that the round bamboo column with spiral stirrups sustained a maximum axial load of 247.6 kN (4.67% lower than analytical predictions and 59.83% lower than pre-fire values). The slatted bamboo column with rectangular stirrups held 233.2 kN (4.18% lower analytically and 61.78% lower than pre-fire values). Axial and lateral strain values varied slightly between specimens. This research highlights the structural viability of bamboo reinforcement under high-temperature exposure. Keywords: High Temperature Effect; Concrete Column; Bamboo Reinforced Concrete.
Pengaruh Pengekangan CFRP Pada Kolom Beton Mutu Normal dan Mutu Tinggi Bertulangan Bambu Terhadap Kapasitas Beban Aksial dan Deformasi Kolom Pertiwi, Ziza Ayu; Umniati, B. Sri; Risdanareni, Puput
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 2 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i2.10923

Abstract

In the midst of the growing construction projects, the use of composite materials is widely applied, one of which is CFRP (Carbon Reinforced Polymer) which has high tensile strength with low density. The selection of bamboo reinforcement as an alternative material to replace steel is because bamboo has a tensile strength value that is close to the tensile strength of steel. However, bamboo has a weakness in its compressive strength. Therefore, this CFRP restraint is expected to be able to overcome these limitations with the aim of analyzing the effect of CFRP restraint on bamboo reinforced concrete columns with normal concrete quality (25 MPa) and high concrete quality (50 MPa), using CFRP layers of 0 and 2 layers. The experiment was conducted by making 4 square-section concrete columns, using Apus bamboo as the main reinforcement and spiral steel as a binder. After the casting and drying process, the columns were given a CFRP layer according to the variation. The results of the study showed that CFRP restraint could increase the axial load capacity by 6.07% for normal quality concrete columns and 5.58% for high quality concrete columns. In addition, normal quality concrete columns with CFRP restraints also reduce the maximum deformation value by 47.6% and for high quality concrete columns it reduces the maximum deformation value by 87.3%.
Co-Authors Adi Susetyo Afif Achsanul Choiri B. Sri Umniati Bathista, Moch. Dhoni Boedya Djatmika Cynthia Permata Dewi Ditya Hafiz Rosyidi Dwi Prastiyo Handayani, Agil Fitri Mohammad Sulton Nindyawati Nindyawati Pertiwi, Ziza Ayu Rr. Poppy Puspitasari Sulasmono, Raden Ian Titi Rahayuningsih Titi Rahayuningsing Wardana, Erik Fadilah Kusuma