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Muhammad Mukhlisin
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Department of Civil Engineering Politeknik Negeri Semarang (State Polytechnic of Semarang) Jl. Prof. Sudarto, SH Tembalang, Kota Semarang (50275) Jawa Tengah, INDONESIA
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Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil
Published by Politeknik Negeri Semarang
ISSN : 08538727     EISSN : 25274333     DOI : http://dx.doi.org/10.32497/wahanats
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Transportation
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil or Civil Engineering Forum: Journal of Civil Engineering Development is a medium of communication and dissemination of research results, case studies, and scientific reviews (applied) to scientists and practitioners in the field of Civil Engineering. This journal is published by the Civil Engineering Department of Semarang State Polytechnic periodically 6 (six) months, ie June and December. Scopes of Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil or Civil Engineering Forum: Journal of Civil Engineering Development are: 1. Civil and Structural Engineeering 2. Environmental Engineering 3. Geotechnical Engineering 4. Transport Egineering 5. Water Resources Engineering 6. Constructions Management 7. Building Constructions. 8. Disaster Management.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 277 Documents
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KARAKTERISTIK DAYA DUKUNG TANAH DASAR (SUBGRADE) TANAH LEMPUNG MERAH KAMPUS POLINES MELALUI UJI CBR DENGAN BAHAN TAMBAH KAPUR UKIMAN S.T., M.T.
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.v21i02.836

Abstract

The influence of water on the soil material will increase the amount of water content in the soil is often called the soil water content. In the fine-grained soil such as clay, water damage will cause the granules swell (swelling), and at a low water content (dry) material clay will shrink. Additionally clay material has a carrying capacity that is small or low, so that in the process of quality improvement as the carrying capacity of the subgrade sometimes do additional material as a binder or hardening larger granules as filler so that the grains become a better arrangement. One of the filler material can be extinguished lime is added with a diverse mix variations and compacted and tested the value of its carrying capacity by CBR testing in the laboratory. Laboratory CBR value is used to guide the process of backfill soil in the field, so that the construction requirements of subgrade (subgrade) can meet the requirements. A large increase in the value of the red clay soil CBR plus lime obtained an increase,with a mixture of about 16% the value of the CBR rose to 25% of the original soil.Kata kunci : Red clay, lime, CBR carrying capacity.
Studi BRT Koridor Antar Kampus di Kota Semarang Qudus, Firdaus Amalul; Aditama, Putra; Ismiyati, Ismiyati; Narayudha, Moga
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.v22i2.1165

Abstract

The public transportation in Semarang City which less of services and comfort made the students don?t use it. Based on the problem, it makes the idea of bus rapid transit Inter campuses created. Bus rapid transit expected to be a solution of the transportation needs of students and the other people around colleges, it also expected to make a communication Inter student colleges in Semarang City.The purposes of this study is to analyze the route of BRT, amount of BRT, bus stop, and the cost of BRT Inter campuses. quantitative approach metodology used to analyze the BRT performances dan qualitative approach for the people responses. The cost determine with component analyze method. From the result of the study of bus rapid transit inter colleges the length of route 36 km, and passes 21 colleges obtained. The cost simulated with comparison number of passengers. The calculation cost of bus rapid transit Rp 2.633,994 is about to loss if 70% of passengers is common passengers. For common passengers the cost is Rp 3.500 and 1.000 for school student passengers. The Government should provide feeder for the unserved collegeKata kunci : transportation, bus rapid transit, route, cost
Analisis Pengaruh Geometrik Dan Kelengkapan Rambu Lalu Lintas Terhadap Kecelakaan (Studi Kasus : Tanjakan Kethekan Kec. Jambu, Ruas Jalan Ambarawa – Magelang Km. 46+000 S/D 46+750) Rizqi Rangga Perdana; Yeremia Kristian Adi Permata; Siti Latifah; Sukoyo Sukoyo; Wasino Wasino
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 24, No 1 (2019): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v24i1.1607

Abstract

Ambarawa – Magelang main road is an arterial road which used by drivers who came from Central Java headed to Yogyakarta. The Road Segment is considered to have frequent traffic accidents. The study aims to analyze the relationship between geometric aspects and the occurrence of accidents, compare actual speed with plan speed, and analyzing the completeness of the traffic signs on this section to identify the causes of accidents that occurred at that location. The stages of analysis is by doing the geometric calculation of the road and compared with the requirements in the regulation then identifying whether there is a relationship between accidents that occur with geometric conditions, vehicle speed, and the signs completeness. Identification and results of geometric analysis is known that Black Spot are on bend road I (km 46+300) there were 22 accidents due to breaking road markings, 6 accidents due to extreme bend, and 4 accidents due to road slackness throughout 2012 – 2018. On the bend road II (km 46+440) there were 5 accidents due to breaking road markings and on the bend road III (km 46+520) there were 3 accidents due to road slackness. with the result that there is a relationship between geometric conditions with accidents that occur and after being analyzed the completeness of the traffic signs is still lacking and needs to be completed.
Kajian Pemanfaatan Serat Alang-Alang Untuk Pembuatan Bata Ringan Berlobang Suwarto, Suwarto; Isnadi, Isnadi; Hardono, Triatmo Sugih
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 16, No 2 (2011): WAHANA Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v16i2.108

Abstract

Brick is a building material used by most people as a couple walls. See its function as an insulator and not planned to support the weight of the walls are made of various materials such as masonry, brick pair, the pair of stone, wood boards, cubicles, plywood etc. The weeds are weeds and the weeds of agriculture because it is easy to grow and multiply rapidly, in many places especially fertile soil reaches a height of 1.0 to 2.0 meters. The total area of grasslands in Indonesia reaches ± 16 000 million hectares with a growth rate of approximately 200,000 hectares of which took place on an ongoing basis each year. This potential is neglected then used as a lightweight aggregate in the manufacture of building elements. Lightweight aggregate reed fibers can reduce the weight of concrete bricks, profits are easily obtainable. Lightweight brick reed fiber test results have an average length of 40.15 to 40.60 cm, a width of 18.83 to 19.35 cm and thickness from 10.08 to 10.23 cm, weight of 4373.25 to 7238, 25 grams lighter 20-50% by weight of cement concrete brick sand (the market). Compressive strength from 1.071 to 4.650 kg / cm ² does not qualify as low (class bricks of 25 kg / cm ²), while the brick with a mixture of Portland cement + sand as a comparison of eligible compressive strength class of 25 kg / cm ² is a mix of 1pc: 3 Ps and 1 Pc: 5 Ps. Regression values for light brick sand mixture 2 Y = 0.069 X ² - 1.0906 X + 5.4051 and the correlation R ² = 0.9388 has a strong relationship between the compressive strength with fiber content in a mixture of tall grass, on a mix of 3 sand Y = 0.0063 X ² + 0.1501 X - 3.3749 and the correlation R ² = 0.9592 has a strong relationship between the compressive strength with fiber content in the mixed grass. Reed fiber content higher compressive strong declining trend. High water absorption from 30.243 to 72.622 g / dm ² / min then a light brick to immersion in water first so that the species does not run out of water absorbed light brick. Lightweight brick low salinity <50% can be used in construction. Lightweight brick reed fibers can not be used for the construction of the walls that hold heavy loads and its use should be protected in place.
Pengaruh Penambahan Kapur Dan Semen Terhadap Nilai Cbr Tanah Lempung Merah Ukiman, Ukiman
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 18, No 1 (2013): WAHANA Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v18i1.125

Abstract

Granular of soil as a material supporter of building foundations, heavily influenced by the physical properties of water. Moreover, the fine-grained soil clays in particular, due to water entering the soil particle then inflate and vice versa due to reduced ground water will shrink. Red clay soil stabilization with lime and cement materials, seeks to increase the carrying capacity of the soil as subgrade layer to buffer the load through the foundation component that serves to spread the load on it to buffer the soil section. In addition to the added material lime and cement as filler material also serves as a lasting cementation thus increase the carrying capacity of the red clay soil. Better material cemented its CBR value increase of the lime.
Kajian Nilai Daya Dukung Tanah Lempung Merah Dengan Bahan Tambah Kapur Melalui Uji CBR Triwardaya, Triwardaya; Pawiro, Dadiyono Amat; Ukiman, Ukiman; Sutarno, Sutarno
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 20, No 2 (2015): WAHANA Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v20i2.147

Abstract

Soil materials that the grain size of the composition can comprise coarse material (gravel, sand) and fine materials (silt and clay). At the material / soil materials that include fine-grained soil that contains granules ø 0.075 mm over 50% will be dominated by clay content. This material will have a high value of plasticity and low power as well as developing a sizeable shrinkage. Lime that has binding properties (lime stone) when added to the material clay changes will provide both improved quality, bulk density, as well as lime-enabled so the added material on clay red around POLINES as filler material (filter) with different variations in the mix and treatment peneraman and soaking would boost its strength tested by the carrying capacity by means of CBR (California Bearing Ratio) test results in the laboratory value of CBR plans on condition brooded until 7 days: CBR its 2.4 kp + 20.8 with a level of correlation R = 0.9328 , And soaked conditions until 7 days: his CBR kp 4.4 - 0.8 with a degree of correlation R = 0.9874.
ANALISA FAKTOR PENYEBAB KETERLAMBATAN PROGRESS TERKAIT DENGAN MANAJEMEN WAKTU (Studi Kasus: Pelaksanaan Pembangunan Gedung UPT PP Politeknik Negeri Semarang) ABDUL M, AZIZ; RIYANDI W, MARTHEN; S.T., M.T., DIANITA RATNA K; Ir., NUGROHO HARTONO
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.v21i02.831

Abstract

One of the most important problems in the implementation of the construction project is a delay the project schedule related to decreased work performance or progress. Delays occurred in almost every project work and have a different problem. Delays in project implementation are always consequences are quite harmful to the users and service providers, due to the impact of delays in the project is a conflict and debate about who and what is the cause. This research was conducted in order to obtain or determine the factors that influence delays in the completion of construction projects. The case study of this research is the building project UPT-PP Semarang State Polytechnic. The method used in this study was descriptive qualitative method. The instrument used in this study through a survey method (questionnaire), the first collected data from the study of literature is followed by interview (interview) to the relevant parties. To rank the factors that cause delays, AHP (Analytical Hierarchy Process) is used sa means of calculating the data questionnaire. The results of data analysis showed that there are four main factors that influence delays in construction projects, sequentially starting from the biggest culprit as follows: (1) delays in delivery of materials, (2) design errors by planners, (3) labor productivity is low, (4) inaccuracy when ordering the goods.Kata kunci : delay in the project, factor, progress, building construction.
Pemanfaatan Tanah Blangket Sebagai Bahan Campuran Paving Block Dengan Tinjauan Kuat Tekan Pamungkas, Nur Setiaji
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.v18i2.983

Abstract

In today's society infrastructure development , especially in the field of housing and there's also a supporting infrastructure utilization and the use of paving blocks as a construction material . This is because the use of paving blocks are generally considered less expensive and easy execution. Blangket soil can be categorized as one of the kinds of soils containing lime , which is the precipitate formed by chemical processes or mechanisms in nature ( BKPM Technology of Materials 2 ; 2002) . Blangket soil has physical characteristics such as clay or loose, white or dull yellow. This soil is found in the area Grobogan . This study tried to assess the use of the material as a mixture of blangket soil making paving blocks in terms of compressive strength. This study used an experimental method in the laboratory testing of materials POLINES Civil Engineering department, where for each of the mixtures made 3 test object. The test results indicate that the material can be used as an alternative blangket soil as a mixture of block paving to reduce and replace the use of sand material . It is shown from the results of testing compressive strength of paving blocks with a mixture of soil blangket in comparison 1PC : 4Ps : 2TB has a compressive strength of 10.75 MPa , which qualified quality block paving D ( SNI 03-0691-1996 use for a garden ). For future development needs to be done further research on the use of land blangket as material for paving blocks in terms of economics.
Pengaruh Penambahan Serbuk Ban Bekas Terhadap Parameter Marshall Pada Aspal Beton Campuran Panas Lapis Aus AC-WC M, Radiks Gilang; A, Zaaim; Warsiti, Warsiti; Kusdiyono, Kusdiyono
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 23, No 1 (2018): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v23i1.1354

Abstract

The performance of the mixture characteristic of flexible pavement construction on the laston AC-WC mixture as a surface layer (wear layer) with the addition of used tire powder, is expected to be an alternative material to increase the quality and durability. This research was conducted to analyze the characteristics of the Laston AC-WC mixture with the use of polymeric materials in the form of used tire powder. Addition of added ingredients such as used tire powder to the asphalt mixture can provide better resistance to high temperatures and loads, compared to asphalt without added material added. The research objective was to add used tire powder to the optimum asphalt content of asphalt variation (0%, 5%, 10%, 15%) under standard conditions with 2x75 collisions and refusal conditions or balancing with 2x400 collisions. The results showed that the KAO used (6.0%) which affects the value of Density, VMA, VFA, VIM, VIM Refusal density, Marshall Stability, Flow, MQ, and Marshall Time Stability. AC-WC mixture with four variations in the addition of tire powder (0%, 5%, 10%, 15%).Kata kunci : laston AC-WC, parameter marshall, serbuk ban bekas
Pengaruh Injeksi Semen Pada Lereng Tanah Berpasir Terhadap Permeabilitas Tanah I Wayan Arya; I Wayan Intara; I Nyoman Ramia; I Wayan Wiraga; I G A G Suryanegara
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 24, No 1 (2019): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v23i1.1602

Abstract

Natural slope that are formed from the soil often experience landslides. Landslide occurs because the driving force received by the slope is greater than the ability of the slope to resist it. Thus forming a sliding plane that has a low stability. Factors that decrease the stability of the slope are infiltration of rainwater, vibrations that may come from earthquakes or moving loads, construction loads, and cracks. Rainwater that infiltrate through slope causes active force on the slopes and also decreases soil strength. Landslides due to infiltration of rainfall are common problems on residual soil slopes from the tropical region. Soil stabilization process for soil that have been experienced prior landslide, often encounter difficulty in compacting soil to form slope bodies. Loose sandy soil slopes has a very low strength so that expensive construction is needed. One possible way to do this is to fill the pores of the soil with certain aggregates. One of the aggregates is cement. The cement material is chosen because cement when liquid can seep in and fill the pores of the soil. After drying this cement can increase soil permeability and reduce soil pore numbers. Filling cement into the soil pores can be done by injection of liquid cement. The problems that will be raised in this study are: What is the change in soil permeability rate if the soil is injected with cement and how much changes in soil pore size when injected with cement. The method used in this study is to make a test model in the laboratory. By comparing soil without cement injection with soil that has been injected with cement, it will be known to increase soil permeability and decrease the soil pore number. From the preliminary test with proctor test, the maximum density was 1,286 gram/cm3 and the optimum water content was 18%. Decrease of coefisien permeability from without cement injection to with cement injection 31,5 %.

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