EVALUASI KINERJA DAN PERBAIKAN STRUKTUR BETON GEDUNG PENDINGIN AIR = EVALUATION ON THE PERFORMANCE OF AND REPAIR OF THE CONCRETE STRUCTURE OF A COOLING WATER TOWER

Hendro Ahmad Fauzi

Abstract


This paper presents the evaluation of performance and strenght of
structure by visual inspection and quality testing of concrete in the field by using a
Schmidt hammer and UPV. The evaluation on the performance of the structure,
strength columns, beams and plates refer to SNI-2847-2002, in which the
implementation of earthquake loads was based on SNI-1726-2002.The paper
proposes improvements and retrofitting necessary structures. SAP2000 is used
for structural analysis necessary to obtain the required strength values (Ru).
Beton2000 is used for structural analysis of existing conditions in order to get the
designed strength values (Rn). The structure components are in safe condition if
its design strength is greater or equal than required strength or (Ø.Rn) ≥ Ru.
Improvements were made to the structural element by coating and injection
methods.
Keywords : structural performance evaluation, improvement 

Abstrak

Makalah ini menyajikan evaluasi kinerja dan kekuatan struktur dengan
metode pemeriksaan secara visual dan pengujian mutu beton di lapangan
dengan alat Schmidt hammer dan UPV. Evaluasi kinerja struktur, kekuatan
kolom, balok serta pelat mengacu pada SNI-2847-2002, dengan penerapan
beban gempa berdasarkan SNI-1726-2002, serta memberikan usulan perbaikan
dan perkuatan struktur yang diperlukan. SAP 2000 digunakan untuk analisis
struktur guna mendapatkan nilai kuat perlu (Ru). Beton 2000 digunakan untuk
analisis struktur kondisi existing guna mendapatkan kuat rencana (Rn).
Komponen struktur dikatakan aman jika kuat rencana lebih besar atau sama
dengan kuat rencana atau (ф . Rn) ≥ Ru. Perbaikan elemen struktur dilakukan
dengan metode coating dan injeksi.
.
Kata kunci : evaluasi kinerja struktur, metode perbaikan


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DOI: http://dx.doi.org/10.29122/mkk.v13i1.1655

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