Dalam konstruksi bangunan-bangunan modern, instalasi perpipaan dibutuhkan untuk mengakamodasi kebutuhan mekanikal dan elektrikal. Salah satu alternatif rencana untuk melewatkan instalasi perpipaan tersebut adalah dengan membuat bukaan (opening) pada balok. Penelitian ini bertujuan untuk mencari seberapa besar pengaruh pemberian beberapa variasi jumlah bukaan yang diberikan di zona tarik beton terhadap kekuatan dan kekakuan lentur balok beton bertulang. Pengujian yang dilakunan adalah pengujian lentur dengan benda uji balok berukuran (15 x 25 x 200) cm. Variasi penelitian ini yaitu jumlah bukaan berdiameter 5 cm yang berjumlah dua bukaan (BB2) dan empat bukaan (BB4) dan balok tanpa bukaan (BK). Dari hasil penelitian menunjukkan bahwa pemberian bukaan pada zona tarik beton mereduksi kekuatan lentur meskipun tidak signifikan. Jika dibandingkan dengan BK, reduksi kekuatan lentur untuk balok BB2 sebesar 1.26% dan reduksi untuk balok BB4 sebesar 5.66%. Untuk kekakuan lentur pada kondisi praretak, terjadi reduksi kekakuan lentur. Jika dibandingkan dengan BK, reduksi kekakuan lentur untuk balok BB2 sebesar 9% dan reduksi untuk balok BB4 sebesar 15.24%. Untuk kekakuan lentur pada kondisi pascaretak, terjadi reduksi kekakuan lentur juga. Jika dibandingkan dengan BK, reduksi kekakuan lentur untuk balok BB2 sebesar 13.03% dan reduksi untuk balok BB4 sebesar 18.68%.
Micro, small and medium enterprises (MSMEs) processing wood in furniture is Wahyuillahi Furniture in Turen District, Malang Regency. This furniture business has been developed for about three years and continues today. The purpose of this activity is to develop the production of Wahyuillahi Furniture's furniture business by improving the quality of the production and packaging process through increasing the capacity of human resources, which is expected to increase the marketing reach of partners wider so that partners' income will increase and can improve the standard of living of the family. The method used is to provide training on marketing communication techniques, training and mentoring on E-Commerce; Provide tool assistance in the form of a more effective combination of a planner and a split saw; Provide training on BEP analysis and SWOT analysis, and simple finance; Conduct counseling and training activities on the understanding of engineered wood and furniture design. The service results are an increase in production from 0.8125 m3/month to 1.6 m3/month; The increase in consumer needs is increasing by an average of 17%. Turnover increased by 400%. The types of products produced increased by 200%. The refining process time is about three times faster; The length of the wood splitting process is 2.5 times faster; The number of marketing areas increased 2.5 times. The next plan is that the service team will periodically visit partners, namely Wahyu divine furniture, to help solve the problem.ABSTRAKSalah satu usaha mikro kecil menengah (UMKM) pengolahan kayu berupa mebel bernama Mebel Wahyuillahi Furniture di Kecamatan Turen Kabupaten Malang. Usaha mebel ini telah dikembangkan sekitar 3 tahun dan bertahan hingga saat ini. Tujuan kegiatan ini adalah mengembangkan produksi usaha mebel Wahyuillahi Furniture dengan memperbaiki kualitas proses produksi dan pengemasan melalui peningkatkan kemampuan SDM yang diharapankan dapat meningkatkan daya jangkau pemasaran mitra semakin luas, sehingga pendapatan mitra akan bertambah dan dapat meningkatkan taraf hidup keluarga. Metode yang digunakan adalah memberikan pelatihan tentang teknik komunikasi pemasaran, pelatihan dan pendampingan tentang E-Commerce; Memberikan bantuan alat berupa kombinasi multifungsi alat planner dan gergaji belah yang lebih efektif; Memberikan pelatihan tentang analisa BEP dan analisis SWOT, dan keuangan sederhana; Melakukan kegiatan penyuluhan dan pelatihan tentang pemahaman kayu rekayasa dan design furniture. Hasil pengabdian yaitu peningkatan produksi yang awalnya 0.8125 m3/bulan menjadi 1.6 m3/bulan; Peningkatan kebutuhan konsumen rata-rata naik 17%. Omzet naik 400%. Jenis produk yang dihasilkan naik 200%. Lama proses penghalusan menjadi lebih cepat sekitar 3 kali lipat; Lama proses pembelahan kayu lebih cepat 2,5 kali lipat; Jumlah daerah pemasaran naik 2,5 kali lipat. Rencana selanjutnya yaitu tim pengabdi akan secara berkala mengunjungi mitra yaitu Wahyu illahi furniture untuk membantu pemecahan problem solving.
Aggregate needs in Maubesi, North Central Timor Regency, , as a concrete mixture for the work of construction of natural stone, which has quite a large potential. Research is aimed at; 1) know the characteristics of the statical river in the Maubesi, North Central Timor Regency, and aggregate dulcet from Lumajang; 2) find to uncover of the pressure concrete and the pull that has been generated from the river of North East Timor Regency and the aggregate dulcet of Lumajang; 3) find out the modulus of elasticity of the rivers of the from river in the Middle East North Coast and the Lamajang . This research is a collaborative research on the sample base and analysis of aggregate characteristics and testing of basic conditions and tests interested in and modulus of elasticity. Aggregates Strong pressure from the basement to the beginning until the end is obtained from the 2.747 walk in zone 1 ( fine send ) aggregate North Center of Central Timor, with the strength of Central Timor in the amount of 13,472 MPa ( congrete age ) silkiness of the (concrete age 7 days) , 20,727 MPa (concrete age 28 days), The compressive strength of concrete from the initial age of concrete to the end was obtained from the Maubesi aggregate of North Central Timor with compressive strength of 13,472 MPa (concrete age of 7 days), 20,727 MPa (concrete age of 28 days), and strength Tensile pull of 1,529 MPa (7 days concrete age), 2,352 MPa (28 day concrete age). While the compressive strength of concrete is obtained from the aggregate. Lumajang with compressive strength totaling 18,072 MPa (7 days concrete age), 27,802 MPa (28 days concrete age), and Tensile strength of aggregate rolled concrete. , 3,297 MPa (concrete age 28 days). Modulus of elasticity of the Maubesi North Central Timor aggregate 25677.1 N / mm² while for Lumajang aggregate 25385.9141 N / mm²
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