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瀝青混合料路用性能試驗儀

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更新時間:2024-06-26 11:14:29瀏覽次數:50

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騰達試驗儀器廠:  瀝青混合料路用性能試驗儀主要用于評估干燥或潮濕條件下瀝青混合料的A變形(車轍)、疲勞斷裂和潮濕敏感性

詳細介紹

  騰達試驗儀器廠:


  瀝青混合料路用性能試驗儀主要用于評估干燥或潮濕條件下瀝青混合料的A變形(車轍)、疲勞斷裂和潮濕敏感性。本系統是在已有(美國)LAPA-1瀝青路面分析儀技術上消化吸收并改進提高的,更接近我國《公路瀝青及瀝青混合料試驗規程》對試件的要求和我國路面實際情況。進行一次完整的A變形評估測試需要2小時15分(8,000次循環)。疲勞斷裂測試時間取決于被評估系統的疲勞狀況。


  Asphalt mixture road performance tester is mainly used to evaluate the A deformation(rut),fatigue fracture and moisture sensitivity of asphalt mixture under dry or wet conditions.This system is based on the existing(US)LAPA-1 Asphalt Pavement Analyzer technology,digests,absorbs,improves,and is closer to the requirements of China's"Highway Asphalt and Asphalt Mixture Test Rules"for test specimens and the actual situation of our country's pavement.It takes 2 hours and 15 minutes to perform a complete A deformation assessment test(8,000 cycles).The fatigue fracture test time depends on the fatigue condition of the system being evaluated.


  瀝青混合料路用性能試驗儀技術參數:


  ★可進行動態模量試驗、流變次數和流變時間的瀝青試驗,用于瀝青混合料路用性能評估,得到的動態模量主曲線能用于路面結構設計。


  ★能**評價及預測混合料的真實性能。


  ★可完成三個基本性能試驗:動態模量試驗;重復加載A變形(流變次數)試驗;靜態蠕變(流變時間)試驗。


  ★加載能力:15 kN(靜載),13.5 kN(動載)。


  ★作動器沖程:30 mm。


  ★試件尺寸:100 mm直徑x 150 mm高。


  ★溫度控制范圍:4~60°C。


  ★圍壓:0~210 kPa。


  ★外形尺寸:1330X630X1100mm


  ★重量:250kg


  Technical parameters of asphalt mixture road performance tester:


  ★Asphalt test with dynamic modulus test,rheological times and rheological time can be used to evaluate the road performance of asphalt mixtures.The main curve of dynamic modulus can be used in pavement structure design.


  ★Can evaluate and predict the true performance of the mixture.


  ★Three basic performance tests can be completed:dynamic modulus test;repeated loading A deformation(rheological number)test;static creep(rheological time)test.


  ★Loading capacity:15 kN(static load),13.5 kN(dynamic load).


  ★Actuator stroke:30 mm.


  ★Test piece size:100 mm diameter x 150 mm height.


  ★Temperature control range:4~60°C.


  ★Confining pressure:0~210 kPa.


  ★Dimensions:1330X630X1100mm


  ★Weight:250kg


  瀝青混合料路用性能試驗儀的A變形(車轍)敏感度的評估,是通過將條塊形可柱形的試樣放在可重復進行的車輪荷載下測量其輪跡處的A變形量而得出的。本系統具有自動數據采集系統測量車轍數據,并以數值和圖形方式顯示。每經過條形試樣或六個圓形試樣(A大為113kg/250lbs),相對應的接觸壓力A大可達1.4Mpa。三個條形試件或六個圓形試件(可由旋轉壓實機、振動壓實機、馬歇爾儀、或道路取芯獲得)放入特制的模具內在可控的高溫、干燥或浸水環境下作測試。


  The evaluation of the A deformation(rut)sensitivity of the asphalt mixture road performance tester is performed by measuring the A deformation at the wheel track by placing a strip-shaped columnar specimen under a reproducible wheel load.Drawn.The system has an automatic data acquisition system to measure rut data and display it in numerical and graphical ways.After passing through a strip sample or six round samples(A is 113kg/250lbs),the corresponding contact pressure A can reach 1.4Mpa.Three strip test pieces or six round test pieces(obtained from a rotary compactor,a vibratory compactor,a Marshall instrument,or a road core)are placed in a special mold under a controlled high temperature,dry or immersed environment For testing.


  瀝青混合料路用性能試驗儀的疲勞耐久性,可以通過將梁形試件放在低溫環境下,用可控數值和接觸壓力的重復輪載進行試驗來測定。在可控高溫的干燥或浸水環境下,同時可進行三個條形試件或六個圓形試件(搓揉成形或現場取芯試件)的試驗。


  自動數據采集系統具有測疲勞軟件。疲勞軟件將條形試件兩端的測量值平均,畫出一條參數實線。在條形試件中間獲得一個測驗量值,畫出一條點劃線。隨著疲勞增加,兩條曲線分叉增加,在試樣斷開時,曲線迅速爬升。


  The fatigue durability of the asphalt mixture road performance tester can be determined by placing the beam-shaped test piece in a low-temperature environment and performing repeated wheel load tests with a controlled value and contact pressure.In a controlled high-temperature dry or immersed environment,three strip test pieces or six round test pieces(kneading or field coring test pieces)can be tested at the same time.


  The automatic data acquisition system has fatigue testing software.The fatigue software averages the measured values at both ends of the bar specimen and draws a solid line of parameters.Obtain a test value in the middle of the strip test piece and draw a dotted line.As fatigue increases,the two curves diverge,and the curve climbs rapidly when the specimen is disconnected.


  瀝青混合料路用性能試驗儀本系統一次可容納三個樣品,可測試振動壓實機(條形或圓形)、旋轉壓實機、馬歇爾儀獲得的樣品,以及現場取芯、鋪板試樣。LAPA-1車轍和疲勞測試的作用:在設計階段預測瀝青混合料的車轍和疲勞潛力;防止鋪設不合格的材料;監控工廠生產混合料質量;鑒定瀝青混合料設計的質量、節省開支;加速性能測試。


  Asphalt Mixture Road Performance Tester This system can hold three samples at a time,which can test the samples obtained by vibration compactor(strip or round),rotary compactor,Marshall instrument,and on-site coring and planking samples..The role of LAPA-1 rutting and fatigue testing:predicting the rutting and fatigue potential of asphalt mixtures during the design phase;preventing the laying of unqualified materials;monitoring the quality of plant production mixtures;identifying the quality of asphalt mixture designs and saving expenses;accelerating performance test.


  瀝青混合料路用性能試驗儀本方法描述用LAPA-1測試瀝青混合料疲勞特性的測試步驟。


  Asphalt Mixture Road Performance Tester This method describes the test procedure for testing the fatigue characteristics of asphalt mixtures with LAPA-1.

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