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Marshall Water Bath 60 Litres (Large Capacity)
Marshall Water Bath 60 Litres (Large Capacity) nl2008x004-04-02nl2008x004-03
Standard: ASTM D5581, D6926,D6931, BS 598-107, AASHTO T245 Product Description The Marshall Water Bath is a tool used to test materials, particularly asphalt, to see how well they  hold up under pressure and different environmental conditions. It helps engineers understand if asphalt can handle he ...Read more

Marshall Water Bath 60 Litres (Large Capacity)
NL 2008 X / 004


  • Description

Standard: ASTM D5581, D6926,D6931, BS 598-107, AASHTO T245

Product Description

The Marshall Water Bath is a tool used to test materials, particularly asphalt, to see how well they  hold up under pressure and different environmental conditions. It helps engineers understand if asphalt can handle heavy loads and changes in temperature without getting damaged. Here's how it works: First, asphalt is pressed into a cylindrical mold using a special hammer. Then, the asphalt is taken out of the mold and put into the water bath. By soaking the asphalt in water at a certain temperature for a set amount of time, engineers can see how it reacts to moisture and heat. This process helps them figure out how durable the asphalt will be in real-world situations, like on roads.

Features of Marshall Water Bath 60 Litres 

  • Temperature Control ensuring consistent testing conditions as per specified standards.
  • Durable Construction that withstands the rigors of asphalt testing environments, ensuring longevity and reliability.
  • Safety Features such as temperature alarms and protective enclosures to ensure operator safety during testing.
  • Compact Design allows for easy integration into laboratory setups, maximizing space efficiency.
  • Able to hold a large capacity which enables testing of larger asphalt specimens or multiple samples simultaneously.

Standard: ASTM D5581, D6926,D6931, BS 598-107, AASHTO T245

  • ASTM D5581

       ASTM D5581 outlines the procedure for measuring the bulk specific gravity (Gmb) of asphalt mixtures after compaction. Bulk specific gravity refers to the density of the compacted asphalt mixture, providing crucial information about its quality and performance in construction projects.

  • ASTM D6926

         ASTM D6926 details the steps for both preparing and measuring the density of asphalt mixtures using a gyratory compactor. Density, in this context, serves as a crucial indicator for assessing the quality and endurance of asphalt mixtures in construction. This standard provides a reliable method for precisely gauging this density, ensuring the asphalt's suitability for roadways and other applications.

  • ASTM D6931

       ASTM D6931 outlines a procsdure for assessing the characterisitcs of asphalt binder using a dynamic shear rheometer (DSR). This test allows us to delve into the asphalt binder's behavior by examining its stiffness and viscosity across a range of temperatures and loads. Understanding these properties is vital as they offer insights into how the asphalt binder will perform in different scenarios, particularly in pavement construction. In simpler terms, this test helps engineers predict how well the asphalt binder will hold up under different conditions on the road.

  • BS 598-107

        BS 598-107 is a guideline used in Britain for figuring out how strong and flexible asphalt mixtures are. The test it describes helps us observe whether asphalt can handle weight without getting squished too much (that's the Marshall stability test), and also how much it squishes or deforms when under pressure (that's the flow test). These tests are really important because they help us know if the asphalt will hold up well when we use it to make roads.

  • AASHTO T245

       AASHTO T245 is a standard that provides a step-by-step method for determining how well asphalt can withstand the pressure without getting squished out of shape. By using the Marshall apparatus, engineers mimic the conditions asphalt would experience on roads. This test help them figure out if the asphalt is tough enough to handle the weight of traffic while maintaining good shape for road constructions. Its like providing the asphalt a trial run to make sure it's strong and reliable enough for the job. 

Test Procedure

  1. Prepare Specimens: After compacting asphalt mixtures into cylindrical molds using a Marshall compaction hammer, remove the specimens from the molds.
  2. Set Up Water Bath: Fill the Marshall water bath with water at a specified temperature, typically between 25°C to 30°C (77°F to 86°F). The temperature may vary depending on testing standards and specifications.
  3. Submerge Specimens: Place the cylindrical specimens in the water bath immediately after removal from the molds. Ensure that the specimens are fully submerged in the water.
  4. Soak Specimens: Allow the specimens to soak in the water bath for a specified duration, typically around 30 to 60 minutes. Again, the exact duration may vary based on testing standards.
  5. Remove and Drain Specimens: After the soaking period, remove the specimens carefully from the water bath and allow excess water to drain off.
  6. Test Stability and Flow: Perform stability and flow tests on the specimens according to the Marshall test procedure. This typically involves applying a compressive load to the specimens and measuring the stability (maximum load) and flow (deformation) under load.
  7. Record Results: Record the stability and flow values obtained from the tests. These values provide important information about the performance of the asphalt mixture under specific conditions.
  8. Repeat: Repeat the procedure for each specimen tested, following the same protocol to ensure consistency and accuracy of results.

Technical Specifications:

 Model Number  NL 2008 X / 004
 Temperature Range  From Ambient +99.9°C
 Temperature Accuracy / Resolution  ± 0.5°C / 0.1°C
 Usage Capacity  56 Litres
 Number of Marshall Specimens  4”/100 mm - Approx. 24 pcs
 6”/150 mm - Approx. 12 pcs
 Bath Dimension  650 (L) x 500 (W) x 240 (H) mm
 Dimension  885 (L) x 500 (W) x 310 (H) mm
 Approx. Weight  30 kg
 Power   220 ~ 240 V, 4000 W,  22 A, 1 Ph, 50 / 60 Hz

 

 

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