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METODE PENENTUAN VOLUME AGGREGAT PONDASI JALAN BERDASARKAN VARIASI DAN KESALAHAN: STUDI KASUS Simamora, Marsinta; Dwi Hatmoko, Jati Utomo
TEKNIK Volume 34, Nomor 1, Tahun 2013
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (468.361 KB) | DOI: 10.14710/teknik.v34i1.4817

Abstract

Variations between plans and reality can hardly be avoided in construction projects. These variations may beaccepted when they are still in the acceptance limits, or rejected when they are beyond the acceptance limits.The former is called variation in acceptance and the later is called error. Distinguishing these two in acompleted construction work is very important, as rejected variations (errors) may be considered as breaching acontract, thus may have legal implications. The research aims to evaluate the traditional calculation method(MeTrad) and to promote variation acceptance and error approach (MeVE) that is able to draw a clear linewhether a particular work to be accepted and rejected. The research was conducted by comparing the results ofcalculation of the aggregate volume between MeTrad and MeVE. The data was collected from Mauponggo-Puuwada road project in Nangakeo in 2010. The results show that there was no difference in the volumescalculated using both methods. The volume of Class B aggregate based on MeTrad calculation is 386.01m 3andthe volume based on MeVE is 386.01m3; where 16.67m3 of which (3.34% of the planned volume) is in the rangeof acceptance and 369.34m3 of which (73.94% of the planned volume)is the volume that is rejected (error). Theresults suggest that MeTrad cannot distinguish clearly whether the work is within the limits of acceptance orrejection, while on the other hand MeVE can describe in detail parts of the work to be accepted or rejected.Using this MeVE calculation, an assessment of a construction workis expected to be more objective anddetailed.
Dampak Kerusakan Dini Perkerasan Jalan terhadap Kerugian Aspek Finansial Simamora, Marsinta; Trisnoyuwono, Diarto; Muda, Anastasia Hendrina
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 24, Nomor 2, DESEMBER 2018
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.906 KB) | DOI: 10.14710/mkts.v24i2.16083

Abstract

National road management is not optimal and inefficient, the indications can be seen from the number of early damage cases of the road construction found. Indeed, natural damage to road construction is unavoidable but it becomes a problem if the damage occurs not long after the road product is handed over to the road manager or the government. Then the next question can arise whether the phenomenon of early pavement damage will cause harm to both road users and the government.This study aims to show the thinking framework of financial consequences and apply it through a model due to the occurrence of premature damage. Referring to the concept of benefit value that is represented by road conditions over the life of the service, then roads that have been damaged before their construction ends will result in losses due to loss of benefits. Based on this concept, a simulation was conducted using a national road data. Simulation results show that there is an estimated financial loss due to the occurrence of early damage. For early damage with a condition value of loss of 36 then the estimated loss is Rp 458,257,899.41 per kilometer. Estimated average loss per kilometer for each loss of one unit of condition value is Rp 12,72,386.09. The results of this study also show that roads that do not suffer early damage do not cause losses or losses are zero.