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Achmad Basuki
Pengajar Jurusan Teknik Sipil, Universitas Sebelas Maret
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Engineering Materials Science & Nanotechnology

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KAPASITAS LENTUR PLAT BETON BERTULANGAN BAMBU WULUNG DENGAN TAKIKAN TIDAK SEJAJAR Ferry Tri Pranoto; Agus Setiya Budi; Achmad Basuki
Matriks Teknik Sipil Vol 2, No 1 (2014): Maret 2014
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.581 KB) | DOI: 10.20961/mateksi.v2i1.37470

Abstract

Bamboo was chosen as an alternative to concrete reinforcement because besides the price is cheaper ,bamboo also has a relatively high tensile strengthwhich is equal to the tensile strength of mild steel. the purpose of the study was to determine Flexural Capacity of slabs concrete with Wulungbamboo non parallel notches reinforcement. The method used in this study is an experimental method with a concrete slab specimen measuring 60cm x 40 cm x 10 cm with a load that is placed amid landscape and evenly distributed as a two point load on the specimen length L / 3. Flexuralcapacity of concrete slab testing done at the time the specimen was 28 days. Value of the reduction factor for the determination of tensile force on theyield of bamboo with a regression method that is equal to 0.525. Yield strength for bamboo wulung plan calculated at 0,525 times the yieldstrength of bamboo tensile test results. The test results of reinforced steel plate bending capacity by an average of 0.5236 ton.m and results of theanalysis of 0.4018 ton.m while bending capacity test results bertulangan bamboo plate wulung average of 0.1759 ton.m and the results of theanalysis of 0,1126 ton-m.
ANALISIS PERILAKU PROTOTIP STRUKTUR RANGKA KUDA-KUDA LAMINATED VENEER LUMBER (LVL) KAYU SENGON Muhammad Rosa Ma'ali; Achmad Basuki; Sunarmasto Sunarmasto
Matriks Teknik Sipil Vol 2, No 1 (2014): Maret 2014
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mateksi.v2i1.37465

Abstract

Demand for wood as a construction material is generally met from felling the timber that has a good quality and the age old wood causingdeforestation for timber. This happen because the growth rate is not proportional to the speed of logging or timber utilization. One alternative toovercome this problem is the use of Sengon Laminated Veneer Lumber (LVL) Wood because this is a short timber harvest time is 5-10 years soit can be guaranteed availability. Easel frame is a truss structure that serves to hold the roof loads and loads itself while providing a form of theroof of a building. Increasingly severe order the easel frame, the greater dimension of the column that sustains below. Use of Sengon LVL lumberis expected to produce light easels because it has a specific gravity of 0.41 g/cm3 so this need for research on the matter. This research wasconducted with the specimen press test of 2 easels frame structure of LVL sengon. Testing is done at the expense of the press centric slowly at eachknot point that has been clamped to the specimen till no longer able to accept the additional burden. The results showed that the framework LVLsengon easels occurs stability failure only on one rod that is only in the area close to the stem placement. Easel frame structure can not be perfectglobal buckling and local buckling only while the stem and its connection to other parts failures still occur. Easel frame structure still proved safefor use as construction but for a double rod buckling capacity is still not able to reach to the maximum load. Failure buckling capacity LVLwooden horses sengon on testing occurs at the smallest value of the test rod bend double without klos has been done in previous studies. Deflectionthat occurs in testing linearly moving up but there is a considerable difference with the theoretical deflection of approximately 10 mm.
Co-Authors Agus Setiya Budi Ferry Tri Pranoto Muhammad Rosa Ma'ali Sunarmasto Sunarmasto