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Kukuh Kurniawan Dwi Sungkono
Universitas Tunas Pembangunan Surakarta (UTP)
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Social Sciences Transportation

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KINERJA AKUSTIK DAN TERMAL DINDING BATA GEOPOLYMER CELLULAR LIGHTWEIGHT CONCRETE (GCLC): KINERJA AKUSTIK DAN TERMAL DINDING BATA GEOPOLYMER CELLULAR LIGHTWEIGHT CONCRETE (GCLC) Yuuwono, Abito Bamban; Rakhmanty, Febrione Putri; Kukuh Kurniawan Dwi Sungkono
Jurnal Teknik Sipil dan Arsitektur Vol 30 No 2 (2025): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v30i2.4799

Abstract

The rapid growth of the construction industry in Indonesia has led to a surge in cement production, a process that is energy-intensive and releases significant amounts of CO2. To mitigate the environmental impact of cement, geopolymer materials have emerged as a sustainable alternative. Given their role as spatial dividers, walls play a crucial role in a building's thermal and acoustic performance. Effective thermal performance can reduce the energy consumption required for air conditioning, while good acoustic performance enhances occupant comfort. This study compared the thermal and acoustic performance of lightweight concrete bricks (using cement as the primary material) with geopolymer bricks (utilizing fly ash). Two simulated rooms with distinct wall materials were constructed, and their temperature and acoustic properties were simultaneously measured. The thermal testing revealed that geopolymer bricks exhibited superior acoustic performance compared to lightweight bricks. Acoustic testing indicated that both brick types performed well acoustically. However, the acoustic performance of lightweight bricks peaked in hot weather, while geopolymer bricks demonstrated better acoustic performance at lower temperatures.
KARAKTERISASI KUAT TEKAN BETON AGREGAT LOKAL DENGAN VARIASI SUPERPLASTICIZER PADA UMUR AWAL: KARAKTERISASI KUAT TEKAN BETON AGREGAT LOKAL DENGAN VARIASI SUPERPLASTICIZER PADA UMUR AWAL Kukuh Kurniawan Dwi Sungkono; Wijayanti, Paska; Prasetyo, Erwin aji; Kurniawan, Rizal; Khoirudin, Wahyu; Izzudin, Daffa Zaidan Alam
Jurnal Teknik Sipil dan Arsitektur Vol 30 No 2 (2025): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v30i2.5191

Abstract

This study aims to characterize the effect of superplasticizer addition on local aggregate concrete workability and early-age compressive strength. The methodology involved the use of Portland Composite Cement, local fine and coarse aggregates, and Fosroc Auracast SP310 superplasticizer at dosages of 1%, 1.6%, and 2%. Four concrete mix designs were prepared: normal concrete (BN) and concrete with superplasticizer additions (BN-1%, BN-1.6%, BN-2%). Slump and compressive strength tests were conducted according to Indonesian standards to assess workability and strength at 7 and 14 days. Results indicate that superplasticizer addition significantly improves concrete workability with slump values ranging from 560 to 630 mm compared to 115 mm for the control. Compressive strength also increased markedly, with BN-2% showing the highest strength at 38.56 MPa at 7 days and 51.94 MPa at 14 days. The study concludes that superplasticizer effectively enhances both workability and compressive strength without increasing water demand, resulting in denser and stronger concrete at early curing ages.
Design of Concrete Sheet Pile Revetment As A River Protector And Recreation Facilities Arbianto, Reki; Gunarso, Gunarso; Sungkono, Kukuh Kurniawan Dwi
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 1, No 2 (2020)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v1i2.8218

Abstract

Revetment is a strengthening structure on river slopes from erosion. Erosion of river slopes can widen the wet cross section of the river and increasing scouring can endanger the surrounding buildings. The construction of the Demangan Water Gate in Surakarta City (Phase I) is planned at the mouth of the Pepe river downstream. The construction work will result in changes in river morphology, therefore it is necessary to protect the river slopes so that landslides do not occur. Apart from being a river slope protector, the Revetment design can also be a recreation area and an inspection road. The construction to be used is a concrete sheet pile revetment with reinforcement of the piles behind it as an anchor. Between the concrete sheet pile and the concrete pile, it is connected by a beam-slab structure so that it becomes a portal system. River slope stability analysis using GeoStudio2018 R2 software. River slope conditions that may occur are applied in several modeling, including: River slope conditions without Revetment reinforcement, River slope conditions with Revetment reinforcement, Conditions when changes in river water level elevation occur and river slope conditions when erosion occurs. Based on the results of modeling analysis on the original slope when the river water level increase then recedes has the smallest safe number (SF = 1,822). This is because on the back side of the Revetment, the active soil pressure is in a saturated condition, while the front side of the Revetment loses hydrostatic pressure as a counterweight. The highest safety number is in slope modeling with Revetment strengthening when the river water level increase (SF = 3.114), because the hydrostatic pressure on the back and front of the Revetment is balanced. Revetment construction on river slopes increases the safety rate by 30.64% - 43.70%. With the strengthening of the river slopes, it is hoped that it can provide sufficient security from the main function of protecting the river slopes and obtaining additional functions as a recreation area.
ANALISIS KINERJA STRUKTUR PADA GEDUNG BERTINGKAT DENGAN ANALISIS PUSHOVER BERDASARKAN ATC-40: ANALISIS KINERJA STRUKTUR PADA GEDUNG BERTINGKAT DENGAN ANALISIS PUSHOVER BERDASARKAN ATC-40 Kukuh Kurniawan Dwi Sungkono; Krisdianti, Ega Ayu; Gunarso, Gunarso
Jurnal Teknik Sipil dan Arsitektur Vol 29 No 2 (2024): JURNAL TEKNIK SIPIL DAN ARSITEKTUR
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v29i2.3300

Abstract

Indonesia is an area prone to earthquakes. Earthquakes can cause infrastructure damage and casualties. Efforts are needed to reduce the risk of earthquake hazards by strengthening earthquake-resistant infrastructure. The design procedures for earthquake-resistant buildings are carried out using a performance-based design approach. Building performance can be estimated through non-linear static pushover analysis. This research takes a case study in Jongke Market, Surakarta. This research aims to determine the capacity curve, performance level, and structure collapse mechanism. The method used is pushover analysis with the capacity spectrum. The result of this analysis is a capacity curve that processed to determine the level of structure performance referring to the drift ratio limitation table in the Applied Technology Council (ATC-40). Based on the results of this research, displacement that occurred in the x direction is 92 mm and in the y direction is 77 mm. Building displacement is good because the displacement that occurred is smaller than the displacement limit (control). The total maximum drift in the x direction is 0.007 and in the y direction is 0.006. The maximum inelastic total drift in the x direction is 0.005 and in the y direction is 0.004. Based on the drift ratio limitation table in the ATC-40 document, this building has an immediate occupancy performance level. Based on the plastic hinge mechanism formed, the existing structure also meets the ideal collapse concept (strong column-weak beam).
ANALISIS GEOTEKNIK DAN KESTABILAN LERENG TOWER SUTT PT. PLN (Studi kasus: TW. 203 Pembangunan T/L 150 KV GI KAMBANG – GI TAPAN): ANALISIS GEOTEKNIK DAN KESTABILAN LERENG TOWER SUTT PT. PLN (Studi kasus: TW. 203 Pembangunan T/L 150 KV GI KAMBANG – GI TAPAN) Kukuh Kurniawan Dwi Sungkono; Arbianto, Reki; Pande, Made Eka Prayuda; Gunarso, Gunarso
Jurnal Teknik Sipil dan Arsitektur Vol 29 No 2 (2024): JURNAL TEKNIK SIPIL DAN ARSITEKTUR
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v29i2.3847

Abstract

Slope instability is caused by several lithological and structural factors, slope geometry, relative relief, ground water, as well as changes in use and land cover. Mountainous areas, development and expansion of infrastructure networks can inadvertently cause natural slope shifts, thereby negatively impacting the stability of the excavated slope. Analysis of the geotechnical properties of soil and rock is important for understanding and predicting the possibility of landslides at certain locations. Geotechnical analysis is needed to carry out slope stability analysis which is carried out using GEO5 software. Construction of T/L 150 KV GI Kambang – GI Tapan, Tower TW. 203 with a tower structure at the top of the slope. Based on these conditions, a comprehensive study is needed to analyze the stability of natural slopes due to tower loads. Soil Type, Parameters c' and ?' (Drained), Parameters Cu and ? (Undrained) and soil properties index are based on CPT test results. The Bishop, Spencer, Janbu and Morgenstern-Price methods on natural slopes, tower loads, Natural with Tower+Pile Loads, Natural Slopes with Tower+Pile Loads, Earthquake Loads produce a safe condition against failure in Short-Term (Construction) and Long-Term conditions. Term (Operational). Analysis of the Fellenius method on natural slopes and tower loads in Short-Term (Construction) and Long-Term (Operational) conditions shows unsafe conditions. The safety factors resulting from the Bishop, Spencer, Janbu and Morgenstern-Price methods do not show significant differences in values.
Co-Authors A. Bamban Yuuwono Astungkoro, Wisnu Wregas Atika Candra Yulia Daffa , Zaidan Alam I Erni Mulyandari Ervan , Wibowo Rachmad P Febrione Putri Rakhmanty Gatot Nursetyo Gien Fridel C P, Dendi GUNARSO GUNARSO GUNARSO GUNARSO Hamdany, Syarif Herman Susila Izzudin, Daffa Zaidan Alam Khoirudin, Wahyu Krisdianti, Ega Ayu Laksono Trisnantoro Muhammad Fitra Zidane Muhammad Taufik Kristianto Oktava, Rendi Ari Pande, Made Eka Prayuda Paska Wijayanti Prasetyo, Erwin Aji Pratama, Chandra RA Dinasty Purnomoasri RA Dinasty Purnomoasri Rasyiid Latiif Amhudo Reki Arbianto Reki Arbianto Rizal Kurniawan Ronald Sukwadi Sumina Sumina Suryo Handoyo Teguh Yuono Tiara Cika Kusuma Tri Hartanto Wahyu Prabowo Widyanto, Muh Aqill Fadia