In use one end of the beam rests at a point under investigation while the beam is pivoted at the centre. Scribd is the worlds largest social reading and publishing site. Measures the deflection of a flexible pavement under moving wheel loads. Direct reading dial indicator eliminates need for conversion tables or field calculations. Specifications for measurement condition survey and deflection data are used to establish sections of uniform performance at least 10 deflection measurements should be made for each section per lane subject to a minimum of 20 measurements per km. Manufactured from aluminium alloy and supplied complete with dial gauge and accessories, the benkelman beam is used to measure the road surface deflection when under load from vehicle wheels. Overlay design by benkelman beam road surface standard. Comparative studies between benkelman beam deflections bbd. E benkelman beam a benkelman beam is shown in figure 2. To verify the correct performance of the apparatus. Benkelman beam dan falling weight deflectometer jurnal jalan. Comparison study of overlay design for engineering.
Benkelman beam 01mnb1983 dan selain berlaku untuk data lendutan. Pemeriksaan alat uji aspal ini dimaksudkan untuk mendapatkan data lendutan akibat beban, yang dipergunakan untuk menilai system perkerasan, baik untuk tujuan penelitian, perencanaan teknik, pelaksanaan maupun pemeliharaan. While the diversity of equipment and data applications make specific procedures infeasible, this guide is intended to encourage the collection of sufficient deflection data, adequate calibration of equipment, and implementation of general procedures leading to. Penyetelan alat benkelman beam dengan alat penyetel ditujukan untuk mengetahui batas toleransi ketelitian alat. Metode benkelman beam digunakan untuk merencanakan tebal lapis tambah, dengan metode lendutan balik dan menggunakan perkerasan laston. The free end carries a dial gauge to record the deflections. Benkelman beam apparatus, asphaltbituminous mixture. The benkelman beam measures the deflection of a flexible pavement under moving wheel loads. Sni 0324161991 metode pengujian lendutan perkerasan lentur dengan alat benkelman beam. Alumunium profile frame, 3 points adjuster, with vibrator and dial holder. The entire apparatus, must be sturdy, rigid and without slop. As part of a pavement management system, supplementing the visual assessment of pavements, deflections by benkelman beam have been utilised for both the design of rehabilitation methods and their effectiveness. This specification and guidance notes set out requirements for basecourse aggregate for use on state highways and other heavily trafficked roadways. Perkerasan jalan metode ini digunakan untuk mendapatkan data lapangan yang akan digunakan dalam penilaian struktur perkerasan, peramalan perwujudan perkerasan, perencanaan teknik perkerasan atau lapis tambahan di atas perkerasan.
Test data are summarized by means of tables, graphs and mathematical equations. Benkelman beam alat lab aspal jual alat laboratorium. Selain itu, perlu dilakukan peninjauan terhadap saluran drainase agar dapat mengendalikan limpasan air di permukaan jalan dan daerah sekitar agar tidak merusak konstruksi jalan. Perencanaan tebal lapis tambah overlay dengan perbandingan. This test is done to know flexibility of the bitumen. Pedoman ini merupakan revisi manual pemeriksaan perkerasan jalan dengan alat. Di samping mengacu pada manual pemeriksaan perkerasan jalan dengan alat benkelman beam 01mnb1983 dan hasil penelitian, pedoman ini mengaacu juga pada metoda. Jual alat laboratorium teknik sipil dan distributor alat teknik sipil yang ada di jakarta yang sudah berpengalaman puluhan tahun dibidang alat teknik sipil. The beam is a handy instrument which is most widely used for measuring deflection of pavements 1, 5. Standard guide for nondestructive testing of pavements using. Kami telah banyak mendapat kepercayaan dari beberapa instansi pemerintah, bumn, perguruan tinggi, serta supplier peralatan laboratorium sipil. By suitably placing the probe between the dual wheels of a loaded truck, it is possible to measure the rebound and residual deflections of the pavement structure. The benkelman beam is used with a loaded truck typically 80 kn 18,000 lb on a single axle with dual tires inflated to 480 to 550 kpa 70 to 80 psi.
The instrumented beam, lwd, deflectograph and tsd are briefly mentioned in this report for comparison with the fwd. Fixed beam bi451 alumunium profile frame, 3 points adjuster, with vibrator and dial holder. Benkleman beam test set jual alat laboratorium teknik. Because the light from the xenon lamp is very intense, a beam splitter can be used to extract and measure a small portion of light to an internal reference detector without a loss of performance in sample measurement. Nilai lendutan dapat diperoleh dari hasil pengujian alat falling weight. M4 is the reference or standard specification for primary basecourse for heavy duty use in flexible pavements with thin surfacings. Berdasarkan data yang didapat dari alat benkelman beam dan data lhr maka dilakukan perhitungan tebal lapis tambahan dengan menggunakan metode lendutan balik, diperoleh tebal lapis tambah 3 cm.
Experimental setup of benkelman beam deflection equipment the arrangement was made for benkelman beam deflection test on runway for evaluation of structural capacity of existing flexible pavement. Secara umum penyiapan alat benkelman beam sebelum penyetelan adalah sebagai berikut. Benkelman beam yang menunjukkan kelainankelainan di luar batas toleransi, perlu diperbaiki sampai batas toleransi tersebut dipenuhi. Collection and interpretation of pavement structural. Benkelman beam evaluation of structural capacity of existing pavement estimation and design of over lay for strengthening of weak pavement 5. How is benkelman beam deflection highway engineering abbreviated. Penggunaan alat ini juga menimbulkan masalah lalu lintas pada ruas dengan volume lalu lintas tinggi serta kurang efisien bila digunakan di ruas jalan primer. Apabila ditemukan bahwa hasil pengujian lendutan dengan benkelman beam yang signifikan dengan hasil pengukuran kondisi permukaan jalan maka metode ini dapat dikembangkan lebih lanjut menjadi metode yang lebih sederhana, praktis, dan efisien dalam menentukan lendutan perkerasan jalan tanpa perlu menggunakan alat benkelman beam. Jun 12, 2009 metode pengujian ini dimaksudkan sebagai pegangan dalam pengujian perkerasan jalan dengan alat benkelman beam yaitu mengukur gerakan vertikal pada permukaan lapis jalan dengan cara mengatur pemberian beban roda yang diakibatkan oleh pengujian beban tertentu. Collection and interpretation of pavement structural parameters using deflection testing part ii. The hm574 benkelman beam is a simple leverarm device which measures deflection of flexible pavements under the action of moving wheel loads.
Bbd is defined as benkelman beam deflection highway engineering rarely. Dimensions a and b must be recorded on form bb1 for each beam together with the benkelman beam no. Pengujian kinerja perkerasan jalan dan perencanaan lapis tambah overlay dengan alat. Metode pengujian lendutan perkerasan lentur dengan alat benkelman beam bidang. This paper will help you to know the features of benkelman beam deflectmeter. The method also describes the procedure for the calibration of the deflection data acquisition system ddas and bwl4 manual, queensland. Adjustable feet for benkelman beam, complete with two spirit level calibration device 80b01803 calibration device for 80b0180 benkelman beam apparatus. Selain itu, perlu dilakukan peninjauan terhadap saluran drainase agar dapat mengendalikan limpasan air di permukaan jalan dan daerah. Jual alat laboratorium teknik sipil jual alat teknik sipil. Metode ini digunakan sebagai pegangan dalam pengujian perkerasan jalan dengan alat benkelman beam yaitu dengan cara mengukur gerakan vertikal pada permukaan lapis jalan melalui pemberian beban roda yang diakibatkan oleh beban tertentu.
Benkelman beam deflection bbd technique is widely used all over the world for evaluation of structural capacity of existing flexible pavements and also for estimation and design of overlays for strengthening of any weak pavement. Many papers related to this topic will give you information about the evolution of their project. It was decided that 8 sets of observations of the benkelman beam deflection test may be taken. The benkelman beam, developed at the western association of state highway organizations washo road test in 1952, is a simple device that operates on the lever arm principle. Dalam hal ini perencanaan overlay dan evaluasi kerusakan jalan menggunakan dua metode yaitu metode pci pvement condition index dan metode lendutan benkelman beam. A benkelman beam that meets the minimum requirements of t160. Studies of pavement deflection measured with the benkelman beam were carried out at the aasho road test, ottawa, 111. The beam must be fitted with a satisfactory locking device designed to secure the beam when moving to a new site and a suitable vibrator mounted at the pivot point. Teguh primatama merupakan perusahaan yang berdiri sejak 1992 bergerak dalam bidang pengadaan alat teknik sipil untuk soil, beton, asphal, aggregate, general, cement yang diproduksi berdasarkan standard sni, astm dan aashto. For measuring the deflection of flexible pavent under the action of moving wheel loads. Dalam mdp 20, menghitung tebal perkerasan dengan metoda lendutan menggunakan nilai lendutan dari alat falling weight deflectometer fwd, sehingga nilai lendutan yang diukur dengan menggunakan alat benkelman beam. Because of beam ratio small deflection is magnified and recorded on the dial gauge.
Static deflection equipment measure pavement deflection in response to a static load. The shamrock wireless electronic benkelman beam is an automated system for measurement and reporting of road pavement deflection. Bbd stands for benkelman beam deflection highway engineering. Perancangan tebal lapis ulang overlay menggunakan data. Alat benkelman beam hydraulicjack scale, kapasitas 10 ton termometer 0100 0c dengan skala 1 0, temperatur udara dan permukaan jalan dicatat setiap 12 jam. Where less accuracy and limited bowl profiles are required, the benkelman. Benkelman beam deflection testing company india, roads and highway testing services, deflection testing company india, highway consultants. Jual benkelman beam for measuring the deflection of flexible pavement under the action of moving wheel loads. For the love of physics walter lewin may 16, 2011 duration. Home asphalt road quality testing benkelman beam benkelman beam for flexible pavement deflection testing.
Alat benkelman beam digunakan untuk mengukur lendutan balik, lendutan balik titik. Pavement evaluation by benkelman beam of state highway section waghodiya crossing to limda prof. Kementerian pekerjaan umum mengeluarkan manual disain perkerasan jalan tahun 20 mdp 20 yang mengacu pada manual perkerasan jalan yang dikeluarkan oleh ausroad. The benkelman beam figure 2, developed at the western association of state highway organizations washo road test in 1952, is a. Dari pengujian lendutan dengan alat benkelman beam dihasilkan nilai lendutan ratarata 0,15. Pengukur tekanan ban meteran 10 30 m lembar kerja pelubang aspal kamera rambu, lampu flashing peralatan dan pesonel personel satu orang petugas pengamanan lalu lintas. Penggunaan benkelman beam sebagai alat untuk mengukur lendutan perkerasan lentur dinilai kurang praktis terutama untuk dipergunakan di daerah yang sulit dijangkau. The fwd developed from the deflectometre a boulet originally devised by bretonniere.
Berdasarkan manual desain perkerasan bina marga 20 disediakan. The various parameters like pavement surface temperature, subgrade soil type, its moisture content and compaction. The system combines a linear displacement electronic transducer, wireless pda, global positioning system gps and simple to use software to produce faster, more accurate, and less labour intensive measurement and reporting of road pavement deflection. Strength evaluation of flexible pavement of runway using. The beam is placed in contact with the surface under test between the vehicle tyres. Benkelman beam,pengujian kelendutan aspal, alat laboratorium aspal atau alat uji aspal.
The benkelman beam measures the deflections under standard wheel load conditions. The following survey and tests will be conduct to compare deflection of flexible pavements by bbd and fwd techniques. The tip of the beam must not rest on particles that may rotate during the test. Benkelman beam flexure and surface regularity impact. Benkelman beam deflection testing company india, tamilnadu. Length of the probe arm from pivot to probe point 244cm. Pavement deflection is measured by the benkelman beam which consists of a slender beam 3. Cara uji lendutan perkerasan lentur dengan alat benkelman beam. Metode pengujian lendutan perkerasan lentur dengan alat. The product has been added to your basket this product has the following accessories. Pavement evaluation by benkelman beam of state highway.
Jual benkelman beam alat laboratorium teknik sipil. Jun 26, 2016 the benkelman beam is the simplest and the oldest deflection test device, developed in the united states in the mid1950s. The free end carries a dial gauge to record the deflections and the other end is kept on the a stable platform. Dalam perencanaan overlay dan evaluasi kerusakan jalan mengacu pada peraturan analisa defleksi pd t052005b.
Horizontalreading, digital gauge for use with the benkelman beam. Benkelman beam adalah alat yang digunakan untuk uji lendutan perkerasan lentur. Cara uji lendutan perkerasan lentur dengan alat benkelman. The equations express the pavement deflection as functions of wheel load, vehicle speed and pavement temperature. Benkelman beam test scope this method describes the procedure for the determination of rebound deflection and curvature function of a flexible pavement under a standard wheel load, using the benkelman beam. Pavement evaluation and measurement of functional and structural. Deflection is measured when the vehicle passes over the test area. The genesys 10s uvvis uses dual beam optics to make accurate measurements. Overlay design by benkelman beam free download as powerpoint presentation. Both the fwd and instrumented benkelman beam are used in new zealand to measure the deflection bowl. The probe beam, supported by a rigid reference beam, measures deflections using its 2. Metode pengujian lendutan perkerasan lentur dengan alat benkelman beam sni 0324161991 ruang lingkup pengujian ini dapat digunakan untuk mengukur lendutan dan lendutan balik dari lapisan perkerasan jalan. Penggunaan benkelman beam sebagai alat untuk mengukur lendutan. The method also describes the procedure for the calibration of the benkelman beam.
Benkelman beam for flexible pavement deflection testing. The beam pivot bearing and the dial gauge must move freely without friction or slop. Aspal merupakan bahan pengikat agregat yang mutu dan jumlahnya sangat menentukan keberhasilan suatu campuran beraspal yang merupakan bahan jalan. Its used to measure the structural capacity of a flexible pavement. A truck with a single rear axle and dual back wheels. For measuring the deflection of flexible pavement under the action of moving wheel loads. Nilai lendutan dapat diperoleh dari hasil pengujian alat falling weight deflectometer f wd dan benkelman beam b b. Dalam mdp 20, menghitung tebal perkerasan dengan metoda lendutan menggunakan nilai lendutan dari alat falling weight deflectometer fwd, sehingga nilai lendutan yang diukur dengan menggunakan alat benkelman beam bb harus di konversi menjadi nilai lendutan fwd melalui faktor standarisasi lengkung. Standard test procedure for benkelman beam deflection. The extensive use of the modified benkelman beam, the road surface deflectometer coupled with the use of the in.