Kuat Tekan Dan Kuat Tarik Belah Sebagai Nilai Estimasi Kekuatan Sisa Pada Beton Serat Kasa Aluminiumakibat Variasi Suhu

This study was aimed to determine influence of temperature variation to the compressive strength and split cylinder strength of aluminium wire-mesh fibre concrete. Specimen was concrete cylinder with 15 cm in diameter and 30 cm in high, and the volume fraction of aluminium wire-mesh fibre was specified equal to 0.2%. Temperature variations applied in this research were 25oC (room temperature), 400oC and 800oC. The result showed that increasing of temperature had caused compressive strength reduction.Compressive strength at temperature 400oC and 800oC for both normal concrete and wire-mesh fibre concrete were equal to 22.04%, 39.21%, 21.68% and 45.81%. Split cylinder test at temperature 400oC and 800oC for both normal concrete and wire-mesh fibre concrete showed reduction which were equal to 20.36%, 51.27%, 21.98% and 56.30%. On the other hand modulus of elasticity reduction at temperature 400oC and 800oC for both normal concrete and wire-mesh fibre concrete were 2.20%, 65.22%, 6.79% and 61.33%, where all of tests werecompared to normal concrete and wire-mesh fibre concrete at room temperature (25oC)

Analisis Penanggulangan Kelongsoran Tanah Pada Ruas Jalan Gunung Tugel Patikraja Banyumas

Gunung Tugel is an area that located Patikraja Region, Southern Banyumas. Thetopography of the area is mostly mountainous with a slope that varies from flat to steep. Thiscondition makes to many areas of this region potentially landslide. In 2015, a landslideoccurred in Jalan Gunung Tugel. The Landslide occurred along 70 meters on the half of theroad and causing traffic Patikraja-Purwokerto disturbed. To repair the damage of the road andavoid further landslides, necessary to analyze slope stability. This study is to analyze landslidereinforcement that occurred at Gunung Tugel and divides into 3 step. The first step is fieldinvestigation to determine the condition of the location and dimensions of landslides. Thesecond step is to know the soil parameters and analyzes data were obtained from the field. Andthe final step is analyzed of the landslide reinforcement by using data obtained from thepreceding step. In this research, will be applied three variations of reinforcement i.e. retainingwall, pile foundation and combine both of pile foundations and retaining wall. Slope stabilityanalysis was conducted using limit equilibrium method. Based on the analysis conducted onthe three variations reinforcement, combine both of pile foundations and retaining wall morerecommended. Application of and combine both of pile foundations and retaining wall is themost realistic option in consideration of ease of implementation at the field. From thecalculations have been done, in order to achieve stable conditions need retaining wall withdimensions of 2 meters high with 2,5 meters of width. DPT is supported by two piles of eachcross-section with 0.3 meters of diameter along 10 meters with 1-meter in space