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All Journal Proceedings ACES (Annual Civil Engineering Seminar) Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA Jurnal Hilirisasi Technology kepada Masyarakat (SITECHMAS)
Anung Suwarno, Anung
Politeknik Negeri Semarang
Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Social Sciences Transportation Other

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SISTEM ACUAN PERANCAH BALOK LANTAI YANG MUDAH PASANG BONGKAR TANPA TIANG ', Sudarmono; Setiono, Karnawan Joko; Suwarno, Anung
Proceedings ACES (Annual Civil Engineering Seminar) Vol 1 (2015): Annual Civil Engineering Seminar (ACES)
Publisher : Proceedings ACES (Annual Civil Engineering Seminar)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pekerjaan acuan perancah merupakan bagian vital dalam membentuk struktur bangunan betonbertulang. Kajian sistem acuan perancah agar diperoleh sistem yang kuat, kaku, kokoh danaman dalam pelaksanaan harus dilakukan terus menerus. Sistem acuan perancah balok lantaiyang mudah pasang bongkar tanpa tiang merupakan hasil penelitian untuk menghematkebutuhan bahan acuan perancah. Sistem menggunakan gelagar rangka kayu balok 5/7 yangdipadu dengan box baja tebal 5 mm untuk menopang cetakan balok-lantai, elemen diagonaldan mendatar bawah menggunakan track stank diameter 13 mm pada rangka pembagi dan 16mm pada rangka utama. Tinggi rangka utama dan rangka pembagi masing-masing 35 cm dan25 cm. Kayu 5/7 masing-masing mempunyai panjang 70 dan 50 cm untuk gelagar utama dangelagar pembagi, dengan potongan elemen kebutuhan panjang diatur dengan menambah ataumengurangi panjang kelipatan tersebut. Sistem mampu melayani panjang bentang ruang 4x4 mtanpa membutuhkan tiang, penopang sistem gelagar memanfaatkan dinding atau kolom.Lendutan yang terjadi selama proses pengecoran balok lantai dapat diberi camber sebelumpengecoran. Besarnya camber yang diperlukan 1,5 kali lendutan terjadi yaiitu antara 1 s/d 3cm. Besaran camber ini akan membuat datar lantai beton setelah mengeras. Sistem acuan danperancah ini menghasilkan bentangan 4 m tanpa tiang, sehingga ruang dibawah pengecorandapat digunakan untuk jalan pekerja, pengangkutan material dan peralatan tanpa gangguanbenturan pada kepala untuk menjamin terlaksananya program K3 dengan baik.Kata kunci: camber, gelagar, rangka lendutan, perancah, track stank.
Analisis Pengelolaan Sampah Terkait Pembangunan Polder Kali Banger Di Wilayah Kecamatan Semarang Timur Suwarno, Anung
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 18, No 2 (2013): WAHANA Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v18i2.979

Abstract

Semarang is a subdistrict of east lowlands adjacent to the shore which consists of 10 villages and a catchment area Banger. Polder is a flood control system and runoff the community based management is a pilot project in Indonesia, located at the eastern most region of Semarang District land surface elevation below sea level tide. Disposal of rain water that fell in the region to the sea or water bodies need to help pump. In connection with the issue of waste management is carried optimal efforts to hold and manage the garbage that is not transported before it goes into the river and impede performance polder pump. One way of method 3R ( Reuse, Reduce and Recycle ) are performed and optimized in research in this area is to chop / grind waste to reduce its volume ( Volume Reducing Waste / VWR ) and to reduce the air content in the waste compaction using tools hydraulic jack with a capacity of 2 ton ( Hidrolic Compactioning System / HCS ). trial was made with two kinds of conditions in the experiment without the waste samples sorted and experiment with sorted. Of waste compaction test by hand without the obtained results are sorted and enumerated volume reduction of 17.3 % (0.000812 m3 from 0.0047 m3 ) determining the value of the correlation coefficient R2 = 0.821 or R = 0.906, it is meaning that compaction can not be optimal because the condition of waste still influenced by the mix of many types of material and content of the air in it. Further trials compaction of waste with hydraulic equipment and waste sorted and chopped / grinded results obtained R2 = 0.885 or R = 0.940, for the meaning that optimal compaction due to the condition of selected waste (organic) and content of the air inside is removed and segregated garbage can be reused or sold. The continued impact of the measures is a reduction in the number of garbage trucks ritation and can save transportation costs and fuel in accordance with national austerity program. In addition, if the waste disposed to landfill (TPA), the volume reduction process will extend the life of the landfill. The new research is a preliminary study to examine the percentage of reduction in production, reduction of production costs and transport costs in managing the waste that does not go in the garbage or dumped into the Banger. The purpose of this paper is one effort to disseminate to the public and local government in the optimal waste management and integrated with the flood disaster management should be in conjunction with waste manage mentand waste water.
Kajian Penggunaan Limbah Plastik Sebagai Campuran Agregat Beton Suwarno, Anung; Sudarmono, Sudarmono
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 20, No 1 (2015): WAHANA Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v20i1.138

Abstract

This paper presents the study of the use of waste plastic bags as a mixture of fine aggregate in concrete production 1 pc: 2 Psr: 3 Split, variations in the mix of plastic is added the mortar 0, 1, 1.5, 2, 2.5, 3, 4, and 5 %. Any variation tested mixture compressive strength and tensile strength. With this method can further determined that the most optimum addition of plastic to be used as concrete mix. From the test results showed that the addition of plastics 5% increases the tensile strength of concrete approximately 50% compared with no addition of plastic, in contrast with the addition of the same plastic reduces the compressive strength of 47 %. From these results it can be stated that the addition of plastics will increase its tensile strength so that the inner structure of the fiber tensile cracks will not occur, with the addition of waste plastic bags reduces the density of concrete, so the construction is lighter.
Karakteristik Campuran Tanah Dan Semen Yang Dipadatkan Pada Berbagai Campuran Sebagai Upaya Perbaikan Lapisan Tapak Pondasi Dangkal Dengan Uji Sondir Ukiman, Ukiman; Wibowo, Hadi; Suwarno, Anung; Ariyanto, Arief Subakti; Suhartono, Edy
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 22, No 2 (2017): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v22i2.1167

Abstract

In the effort of public welfare, the government through the provision of boards such as residential houses, either through private parties or SOEs, often gets the location of the land base in the form of soft land or ugly carrying capacity, which impact on maintenance and repair costs far greater than the cost of purchase. Researchers studied through the stabilization of soil with cement materials and soil mixed variations that occur, so that the soil as a buffer building is known strength or carrying capacity. On improving the strength of the road body with soil stabilization through the CBR test, it can be obtained an increase in soil bearing capacity. Sondir testing for the foundation design data either through conical resistance (qc) or by friction can be obtained by the base area of the foundation foot. If the value of qc is large then the footprint of the foundation foundation, especially shallow foundations will be small. With soil and cement stabilization studies in the laboratory, with different variations and durations can be obtained a reference to the increase in the carrying capacity of the shallow foundation footing and the required thickness of the layer based on the pattern of voltage distribution with the mathematical equation y = 0.7935x - 6.79 where y = power support for soil (kg / cm2), and x =% plus cement and R = correlation.Kata kunci: Tanah, Semen, Daya Dukung, Sondir.
KAJIAN EKSPERIMENTAL PENGARUH PENAMBAHAN SERAT KARUNG GONI UNTUK MEMPEROLEH HASIL KUAT LENTUR BALOK LAMINASI KAYU KRUING WIKASNO, DANU; ULUL ALBAB, MUHAMMAD; SST., M.T., ANUNG SUWARNO; S.T., M.T., MARSUDI
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 21, No 02 (2016): WAHANA Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v21i02.832

Abstract

The development of increasingly rapid construction resulting in the need of building materials for the construction of buildings is increasing. A wooden one. To overcome this problem one way is the efficient use of wood that is in laminate. The need for special treatment to increase the strength of laminated wood beams with the provision of added material in the form of fiber sack. The purpose of this study is the use of wood waste kruing with thin dimensions as laminated wood beams, utilization of waste fiber jute sacks at the same influence on the flexural strength of wood laminated beams kruing, analyzing the flexural strength limit kruing laminated timber beams with the addition of fiber sack. The scope of the research that is being simulated laminate system is horizontal, the study is testing the flexural strength, the wood being simulated is kruing wood, the glue used is poly vinyl acetate (PVA). The test object is made with two variations A and B with a size of 5 cm x 10 cm x 100 cm. With A variation in the form of ordinary laminated beams without the addition of fiber while variation B in the form of laminated beams with the addition of fiber sack. From the results obtained flexural strength test of intact wooden beams kruing biggest is 807.240 kg/cm2 , the smallest is 657.930 kg/cm2 , and an average of 708.120 kg/cm2. Flexural strength of wood laminated beams kruing without additional fiber largest is 509.880 kg/cm2 , the smallest is 479.850 kg/cm2 and an average of 499.520 kg/cm2 . Flexural strength of wood laminated beams kruing with the addition of fiber jute sacks biggest is 444.150 kg/cm2 , the smallest is 390.810 kg/cm2 and an average of 418.950 kg/cm2 . The addition of fiber jute sacks againts wood laminated beams kruing results are not in accordance with the targets to be achieved and laminated beams can not be used for structural use.Kata kunci : laminate, wood kruing, burlap sacks.
APLIKASI BETON LIMBAH KANTONG PLASTIK UNTUK PERBAIKAN DINDING SALURAN DAN JALAN Anung Suwarno; Sudarmono Sudarmono; Dianita Ratna Kusumastuti; Marchus Budi Utomo; Mochammad Tri Rochadi; Puji Wahyumi; Sukoyo Sukoyo; Sugiharto Sugiharto; Yusetyowati Yusetyowati; Wildana Latif Mahmudi
Bangun Rekaprima Vol 6, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (486.52 KB) | DOI: 10.32497/bangunrekaprima.v6i2.2173

Abstract

Artikel ini mempresentasikan aplikasi beton limbah kantong plastik untuk perbaikan dinding saluran dan jalan RT.06/RW.17 Pucang Sari, Pucang Gading, Mranggen. Dengan aplikasi ini diharapkan  masyarakat khususnya tenaga konstruksi bangunan dapat mempratikkan bagaimana mengolah dan memanfaatkan limbah kantong plastik untuk bahan pengganti sebagian agregat kasar beton bertulang, agar lebih bermanfaat dan mengurangi pencemaran lingkungan. Penggunaan limbah kantong plastik untuk pengganti sebagian agregat kasar untuk perbaikan saluran, dan plat penutup saluran memberikan manfaat bertambahnya lebar jalan perumahan yang relatif sempit untuk kendaraan berpapasan. Campuran pengganti agregat kasar dari limbah kantong plastik pada diambil dari hasil proporsi penelitian yaitu 33% dari proporsi campuran 1PC: 2Ps : 3 Split. Pelaksanaan pekerjaan dilakukan oleh tenaga tukang yang dibantu oleh masyarakat RT.06/ RW.17. Kebutuhan akan tulangan disediakan oleh warga yang salurannya dijadikan tempat aplikan. Sedangkan bahan semen, pasir, split dan split LKP disediakan oleh tim pengabdian Masyarakat. Pelaksanaan kegiatan dilakukan setiap hari minggu/ libur dan berjalan selama hampir 8 minggu.
DESAIN DAN VALIDASI MODEL BASIS DATA PEMELIHARAAN KOMPONEN ARSITEKTUR GEDUNG SEBAGAI PENDUKUNG FACILITY MAINTENANCE MANAGEMENT (FMM) Santosa, Stefanus; Suroso, Suroso; Suwarto, Suwarto; Setiyono, Karnawan Joko; Suwarno, Anung
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 29, No 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5647

Abstract

The problems that arise in Facility Maintenance Management (FMM) in Indonesia, which involve aspects of management, learning, and mutual understanding in the Common Data Environment (CDE), can be overcome one way by developing a database. To compile a good database, a database design method is required that is based on existing theories and standards. This research was conducted to design a database model with the scope of the object of architectural component maintenance of buildings starting from the stages of identifying needs, designing, and testing to users. The results of the study show that the database model obtained has the category of "very feasible" overall or partially in terms of service quality and material aspects. This also proves that proven methods and design techniques in providing accurate, non-overlapping, and efficient information needed in the management of material data, equipment, contractors, types of work, schedules, and costs during the maintenance and maintenance of architectural component buildings can be met properly through a relational database approach and verification and validation testing. For the development of science, especially Computational of Building Modeling Learning Technology, the results of this research provide a contribution in the form of a Database Model for Architectural Component Maintenance that can be applied in industry and education. It is recommended that this database design model be further developed into a Building Architectural Component Maintenance Information System.
OPTIMALISASI PEMANFAATAN LIMBAH PECAHAN BATA UNTUK MENINGKATKAN KETERAMPILAN BATU DI KELURAHAN NGADIRGO KOTA SEMARANG Wicaksono, Teguh Mulyo; Wasino, Wasino; Mukhlisin, Muhammad; Supriyadi, Supriyadi; Sudarmono, Sudarmono; Junaidi, Junaidi; Sukoyo, Sukoyo; Suwarno, Anung; Mahmudi, Wildana Latif; Abdillah, Rifqi Aulia
Bangun Rekaprima Vol 10, No 1 (2024): April 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v10i1.5467

Abstract

2022 is the beginning of offline learning after the Covid-19 pandemic. where previously learning was carried out online including practicums. One of the practicums carried out in the Semarang State Polytechnic Civil Engineering department is the masonry practicum which is carried out for semester 1 students. With the offline masonry practicum, the practicum will leave behind brick fragments that can no longer be used. These broken bricks will usually be thrown away at the end of each semester after all the practicums have been carried out. the proportion of brick fragments to intact bricks usually reaches 30% to 40%. The construction workers come from the Ngadirgo community, they learn building work autodidactically based on experience. With the continued development of BSB, there are quite a lot of employment opportunities, including development workers. Techniques and methods of masonry work that comply with construction standards can increase the ability of craftsmen to become skilled workers so that it is hoped that they can improve the welfare of the community around Ngadirgo sub-district, Mijen sub-district. Ngadirgo sub-district currently has a village cemetery which is located in Ngadirgo hamlet RW 2, in this cemetery there is no coffin house which is used to store death equipment including the coffin which is currently still entrusted to one of the residents' house. With the existence of coffin house products made from brick masonry in the village cemetery area.
PEMODELAN PENINGKATAN KADAR AIR AKIBAT INFILTRASI DITINJAU DARI PARAMETER KEKUATAN TANAH Lestari, Nor Puji; Suwarno, Anung; Mulyono, Tedjo; Sudarmono, Sudarmono; Praharseno, Fikri; Wicaksono, Teguh Mulyo
Bangun Rekaprima Vol 9, No 1 (2023): April 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.515 KB) | DOI: 10.32497/bangunrekaprima.v9i1.4654

Abstract

Tanah merupakan salah satu aspek penting dalam konstruksi yang memerlukan perhatian saat perencanaan yang berhubungan dengan daya dukung pondasi, stabilitas lereng, tekanan tanah lateral serta bangunan sipil lainya. Sehingga banyak kejadian kegagalan struktur geoteknik terjadi saat kondisi tanah paling kritis. Oleh sebab itu, penelitian ini dirancang untuk mempelajari bagaimana pengaruh variasi kadar air terhadap kekuatan tanah pada kondisi normal dan jenuh sempurna. Metode yang digunakan pada penelitian ini adalah metode eksperimental di Laboratorium Mekanika Tanah Politeknik Negeri Semarang. Peningkatan variasi nilai infiltrasi dilakukan dengan cara merendam sampel tanah dalam cawan. Setelah dilakukan pemeraman, kemudian sampel tanah diuji triaksial UU. Penelitian menunjukkan bahwa pada awal penjenuhan penyerapan air maksimum akan tercapai (19,6%) dan akan berkurang sebanding dengan lama penjenuhan. Nilai kadar air bertambah mendekati nilai 100% saat penjenuhan berlangsung selama 10 hari. Parameter kuat geser tanah (kohesi) akibat penjenuhan sebesar 0,39 kg/cm2; 0,28 kg/cm2 dan 0,35 kg/cm2. Sedangkan semakin jenuh tanah maka nilai sudut gesek dalam tanah juga menurun mendekati nilai nol, yaitu 11,80o; 12,17o dan 2,76o. Bertambahnya nilai kadar air pada tanah mengakibatkan menurunnya nilai kohesi dan sudut gesek dalam pada tanah. Semakin jenuh tanah (semakin lama penjenuhan) maka sudut gesek dalam tanah mendekati nol dan kohesi tanah lebih kecil dibanding kondisi tanah asli. Sehingga semakin jenuh tanah maka nilai daya dukung tanah tersebut semakin kecil.
PENGENALAN DAN PELATIHAN PENGAMBILAN SAMPEL TANAH DISTURBED DAN UNDISTURBED UNTUK SISWA SMK 7 BIDANG KEAHLIAN KONSTRUKSI JALAN, IRIGASI, DAN JEMBATAN Sulistiawati, Baiq Heny; Harprastanti, Primasiwi; Fatmawati, Leily; Suwarno, Anung; Setyono, Karnawan Joko; Wahyumi, Puji; Sudarmono, Sudarmono; Mahmudi, Wildana Latif
Bangun Rekaprima Vol 9, No 2 (2023): Oktober 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v9i2.5221

Abstract

One of the challenges faced by students from SMK is the learning atmosphere and learning system applied by PTV. This is due to the gap between the SMK curriculum and PTV. State Vocational High School (SMKN) 7 Semarang is one of the vocational schools located in the city of Semarang. SMKN 7 Semarang has 8 expertise competencies, one of which is competence in the field of civil engineering, namely Building Construction, Sanitation and Maintenance (KGSP) and Road, Irrigation, and Bridge Construction (KJIJ). Students of SMKN 7 Semarang already have a basic understanding of civil engineering, but when they enter the PTV world, they still experience difficulties in several fields. Therefore, to bridge and fill the gap from the SMK curriculum to PTV, it is necessary to introduce and train related fields of civil engineering, one of which is field testing. Semarang State Polytechnic as one of the universities has competent human resources to provide solutions to these problems. The PKM team provided introduction and training on the use of hand drill and vane shear tools used for soil testing. The hand drill is used to take disturbed and undisturbed soil samples, while the shear vane is used to determine the shear condition of the soil. After conducting the introduction and training activities, students can better understand how to use the test equipment. In addition, students also understand better in analyzing soil data obtained from testing.
Co-Authors ', Sudarmono Ariyanto, Arief Subakti Dianita Ratna Kusumastuti Hadi Wibowo Harprastanti, Primasiwi Junaidi Junaidi Karnawan Joko Setiono, Karnawan Joko Leily Fatmawati, Leily Lestari, Nor Puji Marchus Budi Utomo Mochammad Tri Rochadi Muhammad Mukhlisin Mulyono, Tedjo Nagari, Prajna Estetikaning Praharseno, Fikri Pratama, M Hafidh Aditya Pratama, Nindita Puji Wahyumi Puji Wahyumi, Puji Rifqi Aulia Abdillah, Rifqi Aulia S.T., M.T., MARSUDI Setiyono, Karnawan Joko Setyono, Karnawan Joko Stefanus Santosa SUDARMONO SUDARMONO Sudarmono Sudarmono Sugiharto Sugiharto Suhartono, Edy Sukoyo Sukoyo Sukoyo Sukoyo Sulistiawati, Baiq Heny Supriyadi Supriyadi Suroso Suroso Suwarto Suwarto Ukiman, Ukiman ULUL ALBAB, MUHAMMAD Wasino Wasino Wicaksono, M Rafi Wicaksono, Teguh Mulyo WIKASNO, DANU Wildana Latif Mahmudi Wildana Latif Mahmudi, Wildana Latif Yusetyowati Yusetyowati