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Journal : Sistem Infrastruktur Teknik Sipil (SIMTEKS)

ANALISIS PENGARUH TINGKAT KEPADATAN TANAH TERHADAP NILAI CBR Zalukhu, Pipen Deris Krisman; Siregar, Chandra Afriade
Sistem Infrastruktur Teknik Sipil (SIMTEKS) Vol 4 No 2 (2024): SIMTEKS - September
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/simteks.v4i2.3948

Abstract

This research aims to analyze the influence of soil density levels on the California Bearing Ratio (CBR) value, which is one of the important parameters in road construction planning and design. This research was carried out using soil samples from several locations with varying levels of density. CBR testing was carried out in soil conditions with varying densities to evaluate the relationship between soil density and the resulting CBR values. The data obtained is analyzed using statistical methods to determine significant patterns or trends. The research results show that there is a positive correlation between the level of soil density and the CBR value, where an increase in soil density is associated with an increase in the CBR value. These findings provide important insights for road construction planning and soil quality assessment, and can be used as a reference in decision making regarding the selection and maintenance of soil materials for construction projects. The conclusion of this research is that increasing soil density can increase the CBR value, which in turn can increase the stability and bearing capacity of the soil in construction applications.
STUDI KEKUATAN MENARA BTS (BASE TRANSCEIVER STATION) PADA MENARA SST TINGGI 72M TIPE GREENFILED Marsia, Novia Santi; Siregar, Chandra Afriade
Sistem Infrastruktur Teknik Sipil (SIMTEKS) Vol 4 No 2 (2024): SIMTEKS - September
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/simteks.v4i2.3950

Abstract

The development of communication technology in Indonesia has grown quite rapidly. The increasing needs of the community for telecommunications make cellular operators continue to improve services. To increase network capacity can be done by adding devices on telecommunication towers. The addition of devices on telecommunication towers brings consequences in the form of increased loads that must be carried by the telecommunication tower. The stability check of a 4-foot SST-type BTS tower with a height of 72m refers to the EIA/TIA-222-G standard and uses the MS Tower V6 program. The check includes several things, namely: the stress ratio that occurs in the tower element, tower sway, tower torsion, tower shift, and the reaction of the support that occurs. If the addition of devices in the telecommunication tower is still within the capacity limit of the tower, the addition of devices is not a problem. If one of the above criteria is passed even though the other criteria are safe, the tower structure is considered unsafe and must be recalculated. The results of the analysis when the tower was given an additional antenna load found that the tower did not meet 1 limit condition because the stress ratio exceeded the standard, which was 1.212 (>1). So it needs to be reinforced at the foot of the tower using the L60x60x6 profile. From the results of reinforcement at the foot of the tower, it was found that the stress ratio value < 1 with a value of 0,938 and the sway value < 0,5, which is worth 0.2303, so the tower has met the requirements.