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All Journal NEUTRON : Research from all areas of the Civil Engineering
Agung Sumarno
Faculty of Engineering, Mercu Buana University, Jakarta, Indonesia
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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Efficiency Analysis of Foundation System Resi Aseanto; Ali Ramdani Bagaskara; Syafwandi; Agung Sumarno
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The increasing number of residents in South Tangerang has an impact on increasing the need for lower housing. The development of vertical housing with the market name of flats, apartments and is the most effective anticipatory solution to overcome land prices which result in market limitations, especially for the upper middle class. This 32-storey apartment project uses a combined foundation system between drill pile foundation & raft foundation. With the combination of these two very massive systems, of course, it will have a very expensive cost to implement and take a long time to complete. In order to avoid cost overruns, the foundation design must look at the possibilities. To determine the efficiency of the combined system foundation design between pile bored foundation & raft foundation, the researchers analyzed the value of the bearing capacity and also the settlement that occurred in the existing foundation using the Poulos method, the equivalent Raft method and the Vesic method. From the results of the study, it was found that the contribution of the pile foundation bearing capacity was 24.10%. the placement of the raft foundation is 75.90% and the settlement analysis using the Poulos 8.95cm method, the 12.41cm Equivalent Raft method and the Vesic 12.1cm method, these three results are close to the maximum settlement limit.
THE EFFECT OF ADDING FLY ASH AND GLASS POWDER ON THE COMPRESSION STRENGTH OF CONCRETE Sandi Indratama; Agung Sumarno; Syafwandi Syafwandi; Agyanata Tua Munthe
Neutron Vol 22 No 2 (2023): JANUARY 2023
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/neutron.v22i2.183

Abstract

The purpose of this study was to determine the effect of the use of fly ash waste and glass powder on the compressive strength of concrete. 17.5% at the age of 3 days, 7 days, 14 days, and 28 days. for the specimens used measuring with a diameter of 10 cm and a height of 20 cm as many as 36 test samples by making variations of the day as many as 3 samples of the test object, After testing the compressive strength of concrete, the compressive strength of the characteristic concrete with the addition of 7% fly ash and glass powder 5%, the maximum compressive strength at the age of 7 days was 23.35 Mpa, the age of 14 days was 28.93 Mpa, and the age of 28 days was 33.85 Mpa. These results exceed the value of the compressive strength of normal concrete characteristics and indicate that fly ash and glass powder increase the compressive strength of concrete. There is a strong influence from the addition of fly ash and glass powder with variations in the addition and certain age of concrete
Co-Authors Agyanata Tua Munthe Ali Ramdani Bagaskara Resi Aseanto Sandi Indratama Syafwandi Syafwandi Syafwandi