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Journal : Astonjadro

Building Analysis of the Lill Hajj Wall Umrah Building Based on Functionality of the Building for Umrah and Hajj Pilgrims Lutfi, Muhamad; Chayati, Nurul; Prayudyanto, Muhammad Nanang; Insan, Muhammad Khaerul; Pratama, Septian Anggi
ASTONJADRO Vol. 12 No. 2 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i2.8144

Abstract

PT Lill Hajj Wall Umrah is targeted to get 5,226 consumers per year or equivalent to 436 people per month by 2030. The old office in the form of a shophouse with a building area of 119.75 m² for a capacity of 99 people is considered inadequate to serve 436 consumers per month, so PT Lill Hajj Wall Umrah needs a new office with a meeting room of at least 523.2 m².  A new office will be planned based on SNI 2847-2019, SNI 1726-2019, SNI 1727-2020, and PBI 1983. The planning results are in the form of an analysis of the new office structure with building dimensions of 28.30 x 23.35m, four floors with a building area of 4,503 m². The material specifications of the building structure are concrete quality (fc') 41.5 MPa, melted reinforcing steel quality (fy) 400 MPa (BJTS), and 280 MPa (BJTP). Basement floor column dimensions 0.6 x 0.6 m, first to fourth floor columns 0.5 x 0.6 m, rooftop columns 0.4 x 0.4 m, main beam dimensions 0.25 x 0.35 m, child beams 0.25x0.5 m, stair beams 0.25 x 0.35 m, roof deck beams 0.25 x 0.3 m and 0.3 x 0.4 m, concrete slab thickness 0.15 m. The results of structural modeling using the Etabs application showed that there was no over-strength (O/S) in the column and beam structure elements. The results of the design of the new office building Lill Hajj Wall Umrah in the form of a basement floor equipped with prayer room facilities covering an area of 14 m2, a generator room covering an area of 15.28 m2, a pump room covering an area of 15.28 m2, parking covering an area of 781.53 m2. The first floor is equipped with VIP room facilities covering an area of 33.33 m2, a prayer room covering an area of 25.87 m2, a toilet covering an area of 44.93 m2, and a boutique room covering an area of 55.22 m2, and a warehouse covering an area of 12.3 m2. The second floor is equipped with a meeting room covering an area of 47.9 m2, a manager's room covering an area of 36.7 m2, a toilet covering an area of 30.9 m2, a prayer room covering an area of 16.08 m2, a boardroom covering an area of 80.59 m2 and a waiting room covering an area of 45 m2. The third and fourth floors are equipped with toilets covering an area of 25.75 m2, a prayer room covering an area of 23.95 m2, and a ballroom of 383.75 m2. The estimated budget for the construction of lill Hajj Wall Umrah's new office is Rp 7.612.645.721.- and takes 406 working days for construction.
Slope Reinforcement Using Gabion Retaining Wall On Angke River In Perumahan Curug Residence Griya Elok West Bogor District Lutfi, Muhamad; Chayati, Nurul; Rulhendri, Rulhendri; Insan, Muhammad Khaerul; Handrianto, Yayan
ASTONJADRO Vol. 13 No. 2 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i2.14254

Abstract

Bogor City is located between 106,480 E and 6,360 S and has an average altitude of at least 190 m, a maximum of 350 m, slope between 0.3%, 4-15%, 16-30% and above 40% with a distance of approximately 60 km from the capital, surrounded by Mount Salak, Mount Pangrango and Mount Gede. Bogor City has annual rainfall between 3500-4000 mm with an area of 4,992.30 Ha, between 4000-4500 mm with an area of 6,424.65 Ha, and between 4500-5000 mm with an area of 433.05 Ha mainly in December to January. (kotabogor.go.id). On 27 April 2019, landslides occurred due to heavy rain in Perumahan Curug Residence Griya Elok Jalan Parvi Bojong Neros RT. 03/ 07, Curug Village, West Bogor District, Bogor City. It is necessary to plan the retaining wall to mitigate the impacts of the landslide disaster. The access road in Curug Residence is an asphalt road with a width of 2.5 m, this causes only small vehicles to be able to pass in the area. In consideration of the narrow access road, heavy equipment cannot enter the Curug Residence landslide location, in order to deal with landslides, a gabion-type retaining wall will be applied. The gabion retaining wall is more efficient and practical with narrow road access because it can be done directly on site and does not require any heavy equipments. The results of the analysis of gabion retaining walls can be concluded as follows, the dimensions of the gabion retaining wall construction are 9.5 meters high, the width of the foot slab is 1.58 meters, and the thickness of the wall top section slab is 0.79 meters. After the calculation, the result of stability factor to shear is 3,624 > 1,5 and stability to bolsters is 5,858 > 1,5. Then it can be concluded that the gabion retaining wall is safe against danger of shear, bolsters and soil bearing capacity. The construction cost is Rp2.735.000.000,- and requires 127 days or 3 months and 1 week of construction work.
Slope Reinforcement Due to Landslide in Cipakancilan River, Sukaresmi Village, Bogor City Lutfi, Muhamad; Chayati, Nurul; Rulhendri, Rulhendri; Syaiful, Syaiful; Sunandar, Nandar; Insan, Muhammad Khaerul
ASTONJADRO Vol. 14 No. 3 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i3.19245

Abstract

In October 2022, there was a landslide in Tanah Sareal Subdistrict at Cipakancilan River, Sukaresmi Village, Bogor City. The location of the landslide occurred on the edge of the road adjacent to the Cipakancilan river, the road is an access road that connects the Regency area and the Bogor City area. The length of the landslide that occurred was 30 meters and 11.5 meters high from the Cipakancilan river water level. The construction of a retaining wall (DPT) is the right solution to maintain slope stability, namely rolling stability, shear stability and soil bearing capacity stability to restore stable slope conditions to hold the road body which can be reused as an access road for residents. This research started with an initial stage in the form of a field survey, then continued with a geotechnical investigation to determine the characteristics of the soil that experienced landslides. Based on the results of the research, it was found that the design of retaining walls of gravity type and cantilever type was analyzed using the Coulomb method for calculating lateral soil pressure and Mayerhof for calculating the stability of soil bearing capacity. For construction costs from the calculation of the cost budget plan, the results obtained for the gravity type retaining wall amounted to Rp. 1,229,923,600 (one billion two hundred twenty nine million nine hundred twenty three thousand rupiah), while the cantilever type retaining wall amounted to Rp. 1,620,913,000. 1,620,913,000 (one billion six hundred twenty million nine hundred thirteen thousand rupiah), the time of the planned implementation of gravity retaining wall work for 2.5 months or 75 calendar days, the time of the planned implementation of cantilever retaining wall work for 3 months or 90 calendar days.
Co-Authors Abdul Rahman Abdurahman, Erik Erlangga Adani, Ahmad Kafa Ade Mulyana, Ade Aditya Pratama, Gilang Adriansyah, Asrul Afrilia, Sintiya Ahmad Muhajir, Ahmad Ahmad Rifai Ahmad Suhaedi Ahmad, Zaprulloh Ahyani, Zaenudin Al Bahry, Syah Razad Lutfhy Al Munawar, Muhammad Agil Aldy Maulana, Aldy Alimuddin Alimuddin Alimuddin, Alimuddin Ardila, Fitri Aning Ayu Dwi Ari Setiawan Ariani, Rini Arief Goeritno Arien Heryansyah Aryanti, Reska Asep Maulana, Asep Asep Saepul Hidayat AYU LESTARI Azhari, Denny Denia Maulani Dian Wulandari Eko Hadi Purwanto Eliansyah, Kelvin Fadhila Muhammad Libasut Taqwa Farodhiyah, Siti Nurfatimatul Fauzi Ahmad Muda Feril Hariati Handayani, Juny Handrianto, Yayan Herman Herman Hidayah, Khoiron Ida Hayati, Noor Idi Namara Ilmi Dian Rachmawati Insan, Muhamad Khaerul Insan, Muhammad Khaerul Jafar Sidik Jannah, Lifa Raudhatul Jodi Sumarno, Ajie Khaerul Insan, Muhammad La Ode M. Gunawan Giu Luluk Dianarini Maulana, Miftah Moh. Didi Haidir1 Muhamad Fadli Muhamad Lutfi Muhammad Dawud Muhammad Hasan Wicaksono Muhammad Ilham Muhammad Nanang Prayudyanto Muktadir, Redho Mustika Mustika Natasasmita, Ginanjar Naufal, Achmad Nopiyansah, Muhammad Ilham Novianto, Dicky Pratama, Septian Anggi Putri, Andini Rizkarti Rahadian, Muhamad Luthfi Rahman, Ari Awalul Ramadan, Fahreza Rahmatsyah Ramadhanni, Muhammad Iqbal Fauzan Ria Fitri Ria Fitri Riavi, Rama Rifaldi, Reza Ritzkal, Ritzkal Roy Waluyo Rudi Irawan Rulhendri Rulhendri Sadewa, Galih Salam, Edi Nur Salman, Nurcholis Sandi Suandi Saprudin, Achmad Shulyana, Halyatunisa Dewi Sidik, Sendi Abduloh Sri Widodo Suali, Muhamad Subroto, Prayogo Halim Sudrajat, Adriyanto Sudrajat, Endang Suhendar Suhendar, Suhendar Sunandar, Nandar Syaiful . Syaiful Syaiful Syaja'ah, Siti Kholifah Tedy Murtedjo Tedy Murtejo Wicaksono, Muhamad Hasan Wilter Sariyanto Simanjuntak Witarsa, Aceng Zakiyah, Qonita