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All Journal LEADER: Civil Engineering and Architecture Journal
Fatma Ira Wahyuni
Program Studi Teknik Sipil, Sekolah Tinggi Teknologi Payakumbuh

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Planning for a 5-Story Hotel in Subarang Batuang Village, Payakumbuh City Puja Maike; Elvi Syamsuir; Fatma Ira Wahyuni
LEADER: Civil Engineering and Architecture Journal Vol. 3 No. 6 (2025): December
Publisher : Fakultas Teknik Sipil dan Perencanaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/leader.v3i6.11964

Abstract

Planning of a Hotel Building in Payakumbuh City. The project is located on Diponegoro Street, Subarang Batuang Subdistrict, West Payakumbuh District, Payakumbuh City. The building consists of 5 floors and is equipped with stairs and an elevator. The superstructure uses reinforced concrete construction with a concrete strength of 25, deformed reinforcing steel with a yield strength of 420, and plain reinforcing steel with a yield strength of 280. The substructure uses bored pile foundations with a depth of 7.2 m. The structural design of the building refers to the following standards: SNI 2847-2019 Structural Concrete Requirements for Buildings and Commentary, SNI 1727-2020 Minimum Design Loads and Associated Criteria for Buildings and Other Structures, SNI 1726-2019 Seismic Design Requirements for Buildings and Non-Building Structures, SNI 2052-2017 Steel Reinforcement for Concrete, Load Design Guidelines for Houses and Buildings (1987), and SNI 8900-2020 Simplified Design Guidelines for Reinforced Concrete Buildings. Based on the structural analysis, the following dimensions were obtained: slab thickness of 12, roof slab thickness of 10 cm, main beam dimensions 30/60 cm, primary main beam dimensions 35/70 cm, secondary beam dimensions in the 25/40 cm, column dimensions 60/60 cm, bored pile foundation diameter 80 cm.
Use of fly Ash a Substitute For Part Cement In Wall Plaster: An Effective Study on The Quality Tests of Plastering Azizah Wardani; Sutria Desman; Fatma Ira Wahyuni
LEADER: Civil Engineering and Architecture Journal Vol. 3 No. 6 (2025): December
Publisher : Fakultas Teknik Sipil dan Perencanaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/leader.v3i6.11971

Abstract

Cement production in the construction industry generates a significant amount of carbon dioxide (CO2) emissions, which negatively impact the environment. One of the efforts to reduce this impact is by utilizing coal combustion waste (fly ash) as a partial replacement for cement. This study aims to determine the effect of using fly ash on the compressive strength of wall plaster and to identify the optimum percentage of fly ash substitution that still meets plaster quality standards. The research method used was a laboratory experiment with a quantitative approach. The variations of fly ash used were 20%, 30%, and 40% of the cement weight. Test specimens were cube - shaped with dimensions of 5 x 5 x 5 cm, and compressive strength tests were conducted at 7 and 21 days. The fly ash used in this study was obtained from the Sawah Lunto stream power plant PLTU Sawah Lunto). The results showed that the addition of fly ash affected the mechanical properties of the plaster, particularly its compressive strength. The highest compressive strength value was obtained from the mixture containing 20% fly ash, reaching 18.24 Mpa at 28 days of age.
Co-Authors Azizah Wardani Elvi Syamsuir Puja Maike Sutria Desman