荣计达SYD-0716沥青混合料霹裂试验仪

沥青混合料劈裂试验仪是沥青检测仪器，用于测定沥青混合料在规定温度和加载速率时劈裂破坏或处于弹性阶段的力学性质，亦可供沥青路面结构设计选择沥青混合料力学设计参数及评价沥青混合料低温抗裂性能时使用。

Asphalt mixture split tester is an asphalt testing instrument, which is used to determine the mechanical properties of the asphalt mixture at the specified temperature and loading rate when it splits or is in the elastic phase. It can also be used for the design of asphalt pavement structure. It is used when designing parameters and evaluating the low temperature crack resistance of asphalt mixtures.

 

SYD-0716沥青混合料劈裂试验仪技术指标：

★上升速率：（50±5）mm/min

★压条直径：（101.6±0.2）mm （152.4±0.2）mm

★大压力： 50KN 精度 1％

★位移测量范围：0-15mm 分辨率：0.01mm 精度 ±0.1mm

★外形尺寸: 650x480x900mm

★环境温度：≤30℃

★相对湿度：≤85%

★整机功耗：750W

★仪器净重：100kg

★电源电压：220v

Technical indicators of SYD-0716 asphalt mixture split tester:

★ Rising rate: (50 ± 5) mm / min

★ Bead diameter: (101.6 ± 0.2) mm (152.4 ± 0.2) mm

★ High pressure: 50KN accuracy 1%

★ Displacement measurement range: 0-15mm resolution: 0.01mm accuracy ± 0.1mm

★ Dimensions: 650x480x900mm

★ Ambient temperature: ≤30 ℃

★ Relative humidity: ≤85%

★ Power consumption: 750W

★ Net weight of the instrument: 100kg

★ Power supply voltage: 220v

 

沥青混合料劈裂试验仪特点：

★设有过载保护，下降过位保护。

★操作简便，测试数据准确，性能稳定可靠。

★仪器自动试验，显示并打印，绘制试件受力变形的坐标曲线图。

★可存储15组试件的试验结果。

★大型液晶屏显示曲线和稳定度及流值。

★流值检测有单路与双路两种。

★试验由仪器或计算机自动控制，试件受压变形过程数据及曲线由计算机自动存盘并显示，可通过打印机打印输出。

★**的自动分析软件，按照《沥青混合料配合比设计方法》绘制出各种曲线，自动给出A佳沥青用量，可通过打印机输出。

★带有上位机软化可以通过强大的实验软件进行分析处理。

Features of asphalt mixture split tester:

★ With overload protection and falling over-position protection.

★ Easy operation, accurate test data and stable and reliable performance.

★ The instrument automatically tests, displays and prints, and draws the coordinate curve of the deformation of the test piece.

★ Can store the test results of 15 groups of test pieces.

★ Large LCD screen displays curve, stability and current value.

★ There are two types of current value detection: single and dual.

★ The test is automatically controlled by the instrument or computer. The data and curve of the compression process of the test piece are automatically saved and displayed by the computer, and can be printed out by a printer.

★ ** Automatic analysis software, draws various curves according to "Asphalt Mixture Proportion Design Method", automatically gives the A-best amount of asphalt, which can be output through a printer.

★ Softening with host computer can be analyzed and processed by powerful experimental software.

 

SYD-0716沥青混合料劈裂试验仪适用范围：

适用于测定沥青混合料在规定温度和加载速率时劈裂破坏或处于弹性阶段的力学性质，亦可供沥青路面结构设计选择沥青混合料力学设计参数及评价沥青混合料低温抗裂性能时使用。试验温度与加载速率可由当地气候条件根据试验目的或有关规定选用，但试验温度不得高于30℃，如无特殊规定，宜采用试验温度15℃±0.5℃,加载速率为50mm/min。当用于评价沥青混合料低温抗裂性能时，宜采用试验温度-10℃±0.5℃及加载速率1mm/min。

SYD-0716 Asphalt Mixture Split Tester Application:

It is suitable for measuring the mechanical properties of asphalt mixtures at the specified temperature and loading rate during splitting failure or in the elastic phase. It can also be used when designing asphalt pavement structure design parameters and evaluating the low temperature crack resistance of asphalt mixtures. The test temperature and loading rate can be selected by local climatic conditions according to the test purpose or relevant regulations, but the test temperature must not be higher than 30 ° C. If there is no special requirement, the test temperature should be 15 ° C ± 0.5 ° C, and the loading rate is 50mm / min. When used to evaluate the low temperature crack resistance of asphalt mixtures, the test temperature of -10 ℃ ± 0.5 ℃ and the loading rate of 1mm / min should be used.

 

SYD-0716沥青混合料劈裂试验仪本方法测定时采用沥青混合料的泊松比μ值如表1所示，其它试验温度的μ值由内插法决定。本方法也可由试验实测的垂直变形及水平变形计算实际的μ值，但计算的μ值必须在0.2~0.5范围内。

试验温度（℃） ≤10 15 20 25 30 泊松比μ值 0.25 0.30 0.35 0.40 0.45 本方法采用的圆柱体试件应符合下列要求：

A大粒径不超过26.5mm（圆孔筛30mm）时，用马歇尔标准击实法成型的直径为φ101.6mm±0.25mm试件，高为63.5mm±1.3mm。

从轮碾机成型的板块试件或道路现场钻取直径φ100mm±2mm或φ150mm±2.5mm，高为40mm±5mm的圆柱体试件。

SYD-0716 Asphalt Mixture Split Tester The Poisson's ratio μ value of the asphalt mixture used in this method is shown in Table 1. The μ values of other test temperatures are determined by interpolation. This method can also calculate the actual μ value from the measured vertical deformation and horizontal deformation, but the calculated μ value must be in the range of 0.2 ~ 0.5.

Test temperature (℃) ≤10 15 20 25 30 Poisson's ratio μ value 0.25 0.30 0.35 0.40 0.45 The cylindrical test piece used in this method shall meet the following requirements:

When the large particle size of A is not more than 26.5mm (round hole sieve 30mm), the test piece with a diameter of φ101.6mm ± 0.25mm formed by Marshall's standard compaction method is 63.5mm ± 1.3mm high.

Cylinder test pieces with a diameter of φ100mm ± 2mm or φ150mm ± 2.5mm and a height of 40mm ± 5mm were drilled from the plate test piece formed by the wheel mill or the road site.

 

SYD-0716沥青混合料劈裂试验仪仪具与材料：

试验机：能保持规定加载速率的材料试验机，也可采用马歇尔试验仪。试验机负荷应满足A大测定荷载不超过其量程的80%且不小于其量程的20%的要求，宜采用40kN或60kN传感器，读数精密度为10N。

恒温水箱：能保持温度为—18℃，当缺乏专用的恒温冰箱时，可采用家用电冰箱的冷冻室代替，控温准确度为2℃。 恒温水槽：用于试件保温，温度范围能满足试验要求，控温准确度为0.5℃。

压条：上下各一根，试件直径100mm时，压条宽度为12.7mm，内侧曲率半径50.8mm，压条两端均应磨圆。

劈裂试验夹具：下压条固定在夹具上，压条可上下自由活动。

其它：塑料袋、卡尺、天平、记录纸、胶皮手套等。

SYD-0716 Asphalt Mixture Splitting Tester Apparatus and Materials:

Testing machine: a material testing machine capable of maintaining a specified loading rate, and a Marshall tester can also be used. The load of the testing machine should meet the requirements that the large A measurement load does not exceed 80% of its range and not less than 20% of its range. A 40kN or 60kN sensor should be used with a reading accuracy of 10N.

Constant temperature water tank: can maintain the temperature of -18 ° C. When a dedicated constant temperature refrigerator is not available, the freezer of a household refrigerator can be used instead. The accuracy of temperature control is 2 ° C. Constant temperature water tank: It is used for the insulation of the test piece. The temperature range can meet the test requirements, and the temperature control accuracy is 0.5 ° C.

Beads: one each for the upper and lower, when the diameter of the test piece is 100mm, the width of the bead is 12.7mm, and the inner radius of curvature is 50.8mm. Both ends of the bead should be rounded.

Split test fixture: The lower bead is fixed on the fixture, and the bead can move up and down freely.

Others: plastic bags, calipers, balances, recording paper, rubber gloves, etc.

 

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