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All Journal Jurnal Ulul Albab Journal La Multiapp
Maya Saridewi Pascanawaty, Maya Saridewi
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Social Sciences Other

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Journal : Journal La Multiapp

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Comparative Study of the Compressive Strength of SCC with Sika ViscoCrete 3155N and Sika SIKACIM Concrete using Destructive Testing Azani, Ahmad Ali; Hariyadi, Hariyadi; Hamdani, Hafiz; Pascanawaty, Maya Saridewi
Journal La Multiapp Vol. 6 No. 5 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i5.2461

Abstract

Self-Compacting Concrete (SCC) is one of the key innovations in modern concrete technology, offering the ability to flow and fill formwork automatically without the need for mechanical compaction, made possible through the use of specialized chemical admixtures. This self-flowing property is derived from the high deformability of fresh concrete. To assess these characteristics, a slump flow test is conducted to evaluate the concrete’s ability to spread under its own weight. This study focuses on the uniformity of compressive strength in SCC incorporating two different types of admixtures. The concrete specimens were cylindrical, with a diameter of 15 cm and a height of 30 cm. Two types of superplasticizers SIKA ViscoCrete 3155N and SIKA Sikacim Concrete were used in the SCC mixtures for each sample group. Subsequently, the uniformity of the concrete was evaluated through destructive testing, specifically compressive strength testing, to determine the resulting compressive strength values. Based on the compressive strength tests conducted at 3 days of age, the following average values were obtained: the control (normal) concrete yielded an average compressive strength of 15.14 MPa; the SCC with 0.8% SIKA ViscoCrete 3155N achieved an average strength of 21.04 MPa; while the 2% dosage of the same admixture resulted in a lower average strength of 11.68 MPa. For SCC with 1% SIKA Sikacim Concrete, the average compressive strength was 12.78 MPa, and at 2% dosage, the average strength was 13.38 MPa.
Comparative Analysis of the Support Capacity and Settlement of Bored Pile Foundations Using Manual Methods and Allpile Software: Case Study Hidayatulloh, Syarif; Pascanawaty, Maya Saridewi; Hamdani, Hafiz; Fitrayudha, Adryan
Journal La Multiapp Vol. 6 No. 6 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i6.2530

Abstract

Foundations are structural elements that function to bear the load of a building and transfer it to the ground to a certain depth. Foundations must be designed so that the transferred load does not exceed the bearing capacity of the soil, as this can cause excessive settlement and lead to structural collapse. The purpose of this study is to determine the comparison of bearing capacity and settlement of bored pile foundations in the Poltekkes Kemenkes Mataram building using two approaches: the manual method and the Allpile software. The analysis was conducted based on secondary data obtained from the Detailed Engineering Design (DED), results of the Standard Penetration Test (SPT), and laboratory soil test results. The results of the manual Meyerhof method yielded an ultimate bearing capacity of 13,127.79 kN and a single pile settlement of 0.0455 m. The manual Reese and Wright method yielded an ultimate bearing capacity of 2,697.3453 kN and a single pile settlement of 0.0241 m. Meanwhile, the Allpile software calculation yielded an ultimate bearing capacity of 14,391.891 kN and a single pile settlement of 0.0027 m. All settlement values, both for single piles and groups, remain below the maximum permitted limit.
Co-Authors Adryan Fitrayudha Azani, Ahmad Ali Ernawati, Agustini Hamdani, Hafiz Hariyadi, Hariyadi Syarif Hidayatulloh