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All Journal Teknik Sipil dan Arsitektur Civil Engineering Journal Jurnal Teknik Sipil dan Arsitektur GANESHA: Jurnal Pengabdian Masyarakat International Journal of Sustainable Building, Infrastructure and Environment Journal Of Civil Engineering And Infrastructure Technology
Rasyiid Lathiif Amhudo
UNIVERSITAS TUNAS PEMBANGUNAN SURAKARTA
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Education Engineering Social Sciences

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ANALISIS DAYA DUKUNG PONDASI TIANG PANCANG PADA PEMBANGUNAN ASRAMA PUTRI MTA KARANGANYAR Fajar, Maulana; Arbianto, Reki; Amhudo, Rasyiid Lathiif
Journal of Civil Engineering and Infrastructure Technology Vol 4 No 2 (2025): JCEIT
Publisher : Civil Engineering, Faculty of Engineering, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jceit.v4i2.5874

Abstract

This study analyses the bearing capacity of pile foundations in the construction project of the MTA Women's Boarding School Dormitory in Karanganyar Regency, Central Java. Pile foundations were chosen due to unstable soil conditions and the need for structures capable of withstanding large loads. This study combines analytical approach based on Cone Penetration Test (CPT) data with numerical simulation using Geo5 PILEGROUP software to evaluate the axial, lateral and settlement bearing capacity of the foundation. CPT data was taken from three points (S1, S2, S3) with an investigation depth of up to 13 metres. Single pile bearing capacity analyses were conducted using the Mayerhof (1976) method for axial loads and the Broms (1964) method for lateral loads. The results of the calculation obtained the largest value of S1 sondir D30 Qa = 40 tonnes, D40 Qa = 68 tonnes, and D60 = 147 tonnes. group pile analysis was carried out by considering group efficiency, distance between poles, and load distribution. The results showed that the 2-pile configuration with 3D spacing (1.8 m) was able to withstand a maximum load of 2398.135 kN, greater than the largest structural load (1582.305 kN). The pile group efficiency ranged from 0.998-1, indicating high effectiveness in distributing loads. Foundation settlement was calculated using the semi-empirical method, with the results of the largest single pile settlement of 0.6m diameter Sg = 0.022 m and pile group Sg = 0.043 m in S2 sondir data. and in geo5 software the largest settlement at D40 = 4.3 cm.
Evaluation of the Top Structure at PT. Sam Kyung Jaya Busana Factory Building Based on P-M-M Ratio Capacity Value Amhudo, Rasyiid Lathiif
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 3, No 1 (2022)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v3i1.12983

Abstract

Factory buildings that have been erected or built and have been used in their daily lives by many people need a thorough structural evaluation. Evaluation of the structure is important because it involves the safety of the occupants in it. Factory Building PT. Samkyung Jaya Clothing is one of the areas where the existing structure has not been analyzed, the building is composed of gording elements, rafter beams, rafter columns, sloof beams and other supporting elements. Factory Building PT. Samkyung Jaya Clothing made of steel with BJ-37 quality, the main building plan measuring 150x90 meters, with a total height of 14.45 meters, rafters using castellated beam WF. 150x175x7x11, rafter columns use 4 types of shapes, and pedestal columns and foundations also have 4 types of shapes, as well as sloof beams there are 2 types, namely 400x200 and 300x150 millimeters. The analysis uses 2 types, namely conventional calculations and computations that use the ETABS V.20.0 program. The results of the evaluation using ETABS V.20.0 there are several points in the pedestal column that experienced warnings such as columns P1 and P2, column K1 also experienced the same thing, namely Column factored axial load exceeds Euler Force and Capacity ratio exceeds limit where the ratio range is 0.5 -1.518. The purlin cross section also experiences Capacity ratio exceeds where the ratio is more than one, namely 1.169 and 1.666. Added reinforcement is the main thing, which can use the jacketing or retrofitting method.
ANALISIS PEMANFAATAN SERBUK BATA RINGAN, ABU AMPAS TEBU DAN FLY ASH TERHADAP KUAT TEKAN BETON RINGAN STRUKTURAL Bani Nur Danang; Dian Arumningsih Diah Purnamawanti; Rasyiid Lathiif Amhudo; Siti Nadia Binti Muhammad Samsuddin
Journal of Civil Engineering and Infrastructure Technology Vol 5 No 1 (2026): JCEIT
Publisher : Civil Engineering, Faculty of Engineering, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jceit.v5i1.6314

Abstract

Infrastructure growth is in line with the growth of human resources, the more the population will require more infrastructure facilities. Construction infrastructure in Indonesia is currently starting to focus on development that leads to the use of structures with lightweight materials and has high resistance. This is inseparable from Indonesia's geographical location which is on the Pacific Ring of Fire which makes Indonesia prone to earthquakes. Therefore, it is necessary to conduct research on lightweight concrete that can overcome these potential hazards. This study used lightweight brick powder, bagasse ash and fly ash in replacing concrete materials. The method used is experimental by creating variations of lightweight concrete by adding lightweight brick powder amounting to 70% of the volume of fine aggregate. The results of the optimal content of bagasse ash use are 10% and fly ash 15% of the total cementitious. Testing of lightweight concrete variations was carried out on concrete aged 7, 14, 21 and 28 days. On lightweight concrete aged 28 days, a comparison was made with normal concrete. The results of the test weight of lightweight concrete aged 7, 14, 21 and 28 were 2.89 kg; 2.83 kg; respectively. 2.80 kg and 2.79 kg. The results of the lightweight concrete compressive strength test at the age of 7, 14, 21 and 28 were 16.54 MPa, 22.27 MPa, 25.25 MPa and 26.74 MPa, respectively. The resulting density ratio was 1743 kg/m3 for lightweight concrete and 2283 kg/m3 for normal concrete. The resulting compressive strength comparison from the creation of lightweight concrete at the age of 28 days from 3 test specimen samples was 26.74 MPa, 27.37 MPa and 26.10 MPa, respectively, while in 3 normal concrete samples the values were 24.19 MPa, 24.83 MPa and 26.10 MPa.
Co-Authors Bani Nur Danang Dian Arumningsih Dian Purnamawanti Dwi Prasetyo Utomo, Dwi Prasetyo Eko Prasetyo Fajar, Maulana Gatot Nursetyo Gatot Nursetyo Gunarso I Gusti Putu Raka Kusdiman Joko Prayitno Laksono Trisnantoro Mufidati, Rossa Aruma Reki Arbianto Siti Nadia Binti Muhammad Samsuddin Sumina Sumina Tavio, Tavio Teguh Yuono TEGUH YUONO, TEGUH Tri Hartanto