DESIGN OF RIGID PAVEMENT OF GEJAYAN INTERSECTION

Batubara, Alpin Roy (2018) DESIGN OF RIGID PAVEMENT OF GEJAYAN INTERSECTION. S1 thesis, UAJY.

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Abstract

Transportation is an important sector in supporting society’s economic activities, because it provides access for the society. This is generally known as road. Road conditions are expected to provide best performance of security and comfort for users. Jalan Ringroad Utara is one of crowded road in Yogyakarta, because Jalan Ringroad Utara is the main road for people to do activities and also a inter-provincial route. This may cause the defect. Especially in traffic light, because when the vehicle is stop and start to run, it will increase load to the pavement. Therefore, road performance may decrease. In this study, it will review and investigate existing pavement and replace with rigid pavement layer, but still using, rigid pavement layer above existing pavement. After surveying, Alligator cracking, patch and potholes are the cause of the decrease of road performance. Therefore rigid pavement is designed to improve this by Continuously Reinforced Concrete Pavement (CRCP). For this designing method, the calculation will be done from designing the slab thickness. The slab thickness must fulfill the requirement (the fatigue and erosion ≤ 100 %). After that, designing the reinforcement. For this designing method, there are two types of reinforcement that used in Continuously Reinforced Concrete Pavement (CRCP). (1) Transverse reinforcement, (2) longitudinal reinforcement, but for longitudinal reinforcement must fulfill the checking of theoretical distance between cracking. This designing is following the Pd T-14-2003, the data for designing of rigid pavement came from survey in the research location. There are 3 types of road damage: Alligator Cracking, Potholes and Patch. From the calculation, the author got slab thickness = 220 mm, base foundation = 150 mm, the subgrade will adjust the elevation. The transverse reinforcement used ɸ12 - 250 mm and longitudinal reinforcement used ɸ16 - 120 mm.

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