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To determine the Marshall stability and flow values of asphalt concrete.This test method is used in the laboratory mix design of bituminous mixtures according to the Marshall procedure. The test results are also used to characterize asphalt mixtures.

The XYJ-PH type pavement structure depth laser testing vehicle is a new generation of pavement testing instrument developed. Composed of branded laptops and software systems.

At a predetermined temperature, the time for the sample of heavy oil from Saybolt air flow meter predetermined size 60ml outflow time, the unit is S.

Falling weight deflectmeter is mainly used to determine the value of subgrade deflection under dynamic loads in order to assess the carrying capacity of subgrade; also, to assess the degree of subgrade compaction method by comparison.It is suitable for measuring the deflection of soil and grass...

The CBR is applicable to all kinds of (less than 40mm particles) soil mixture, with the specified specimen moulds, set with various soil and pavement base, subbase, roadbed for bearing ratio test, in order to determine the designed bearing capacity.

Hold the assembly vertically on the test location. Grasping the handle firmly,push the cone point down into the soil at a steady uniform rate until the top of the cone goes just below the surface. Be certain that the dial indicator has been set to zero position. Select the site to be tested an...

This type Soil penetrometer instrument is measure bearing capacity of various soils. With high-horsepower gasoline engines, outdoor use. Fully automatic operation, convenient and safe!

This foundation bearing static penetrometer is used the mechanical transmission which will be buried in the probe pressed uniform.It is suitable for soft soil, clay soil, the old clay, loess, sandy soil and other formations tested by the resistance generated, when the probe is in contact with ...

This Emulsified Asphalt Grinding Machine applies to stirring effect of emulsified asphalt and emulsified asphalt mix and other chemical ingredients, changing the physical properties of bitumen and bituminous mixtures.

This consolidation apparatus is used to measure the deformation and pressure of the sample under the condition of confinement and axial drainage, or the relationship between pore clearance and pressure, and the relationship between deformation and time. Modulus, consolidation coefficient and pr...

The saturated clay was measured to obtain the unconfined compressive strength of soil under the condition of lateral unrestricted axial compressive force until the specimen was damaged.At the same time, the unconfined compressive strength test is also used for soil sensitivity. (Sensitivity is ...

Pendulum-friction coefficient Tester is a power swing impact-type instruments, it is ignoring air resistance under conditions of work based on the potential loss is equal to the end of the swinging arm rubber slip road, overcoming road work done by friction that developed the basic principles.