Highway geotechnical testing instruments/highway geotechnical laboratory equipment manufacturer prices
Multifunctional electric compaction instrument
The CNC multifunctional electric compaction instrument is developed according to the highway testing industry standards issued by the Ministry of Transport. Its structural performance fully complies with the compaction test in the highway geotechnical test regulations, the compaction test specimen production requirements in the load-bearing medium-ratio experimental resilience modulus test, and has two functions: light compaction and heavy compaction. At the same time, our company produces two types of manual compaction instruments, light and heavy
Main technical parameters
Hammer weight, heavy and light
Drop weight height, heavy and light
Number of hammer blows/minute
Three-phase motor power
Type electric stripper
The electric stripper can be used to demould various specimens in test molds with a diameter of 100cm and a height of 3cm. At the same time, our company produces manual ejector
Main technical parameters
Raising speed of ejector screw
Descending speed of ejector screw
Maximum moving distance of ejector screw
br/> Maximum lifting limit distance of the stripper screw
Maximum descending distance of the stripper screw
Maximum stripping force of the stripper screw
Model soil penetration resistance meter
Use a soil penetration resistance meter to measure soil penetration resistance.
Main technical parameters
Hammer
Hammer drop height
Resistance needle area
Instrument weight
Model soil permeability meter
Soil permeability meter in The pressing method was changed to intermediate screw spinning, and the deficiencies of the same type of instruments were appropriately improved, making the operation easier. The instrument is mainly composed of an upper cover, a base, a sleeve, a ring cutter, a permeable stone screw, etc. This instrument is designed and manufactured in compliance with standards and complies with the penetration test of clay soil under variable water head in the "Geotechnical Test Procedures" and "Highway Geotechnical Test Procedures".
Main technical parameters
Sample size and high area.
Approximate dimensions of the container, excluding the height of the nozzle
Net weight of the container
Type soil expansion meter
Used to measure the expansion amount of clay soil that increases in volume during immersion and the expansion after stabilization Moisture content. This instrument is used to measure the unloaded expansion of undisturbed soil and compacted soil samples according to geotechnical test methods and highway geotechnical test regulations, and is used as a reference for evaluating the expansion potential energy of clay soil. It can meet the needs of both geotechnical testing and highway testing. There are two adjustment screws on the bottom of the water container to adjust the level, and a guide ring to prevent side expansion. This instrument complies with the "Geotechnical Test Regulations" and "Highway Geotechnical Test Regulations"
Main technical parameters
Soil cutting ring knife
Horizontal adjustment bottom adjustment screw
Guide ring to prevent expansion
Dial indicator
Instrument weight
Model soil shrinkage meter
Soil shrinkage meter
Complies with the "Soil Engineering Test Regulations" and "Highway Geotechnical Test Regulations" to measure the moisture content of clay during water loss. Shrinkage limit moisture content, linear shrinkage, body shrinkage coefficient, etc.
Main technical parameters
Porous plate area and pore area ratio
Micrometer block diameter
Soil cutting ring knife diameter soil sample area is high
Sample area
Dimensions
Instrument weight
Soil Density Meter Soil Hydrometer
The technical parameters are all in the instrument package. This instrument is a national standard
Model moisture content rapid measuring instrument
Mainly used in road construction and other civil construction projects, the model is suitable for various particle sizes in millimeters. Determination of moisture content of seed soil including sand, lime, fly ash and other homogeneous materials. This type is suitable for the determination of moisture content of coarse-grained soil materials.
Main technical parameters
Design measurement temperature ℃
Design maximum pressure
Maximum working pressure
Air tightness test pressure
Type mud hydrometer
Used to measure the weight of mud at the well site or laboratory, the unit is/. It is a balance with unequal arms. Its lever blade rests on a seat that can be fixedly installed on the workbench. On the left side of the lever is a scaled vernier device. By moving the vernier, the weight of the mud can be read directly on the scale. The balance of the lever is indicated by the horizontal bubble at the top of the lever.
Type mud viscometer
It is suitable for measuring the viscosity of mud at well sites and laboratories. It is calculated by the time required for the mud to flow out of the viscometer, in seconds
Main technology Parameters
Outlet hole diameter, length
Value
Capacity at one end of the layer measuring cup, capacity at the other end
Part of the instrument includes accessories, mud tank, etc. The total weight of the mud is sand. The measuring instrument is suitable for measuring the sand content of mud at well sites or laboratories. It is determined by the change in volume of the mud after being filtered through the screen, expressed as a percentage.
Fill the mud to the mark marked with mud on the test tube, add water to the mark with water, block the mouth of the tube and shake
Put the mixture into the filter cartridge, and throw it through Filter the liquid in the sieve, add clean water to the measuring tube, shake it and then pour it into the filter cartridge. Repeat until the inside of the measuring tube is clean
Rinse the sand on the screen with clean water and remove the remaining mud
Funnel Insert the filter cartridge, then slowly turn it over and insert the funnel into the test tube. Use clean water to flush all the sand attached to the screen into the tube
After the sand settles, read the percentage of sand
Clean and dry the instrument and put it in the box.
Main technical parameters
Structure and technical data The mud sand content meter consists of a filter cartridge equipped with a mesh screen, a funnel with a corresponding diameter of the filter cartridge, and a glass measuring tube with ~ scale. Each small division below the scale on the measuring tube is, and each small division between is ~.
Type pneumatic water loss meter
The pneumatic water loss meter is a normal temperature water loss meter, which is pressurized by a pump. The pressure difference experienced by the mud is expressed as the filter area and the water loss. It consists of a pump with an air source and an air storage bag and an instrument. The instrument is mainly composed of pressure reducing valve, air release valve, mud cup, bracket and other components. The compressed air provided by the pump can be adjusted to the required pressure value after passing through the pressure reducing valve and sent to the mud cup. The passage into the mud cup is controlled by the deflation valve to control the mud in the cup to lose water due to the pressure difference. When the pointer of the pressure gauge is stable, the filtrate flowing out is the water loss of the mud. When the measured water loss is greater than the water loss, the water loss at this time is multiplied by the approximate water loss of the mud, but the measurement time must be noted in the record
Sand moisture rapid measuring instrument
Used in construction Rapid determination of the moisture content of construction sand by units such as commercial concrete mixing stations and civil engineering laboratories in concrete precast plants at construction sites. It has the characteristics of reliable principle, small size, short time, no need for power supply, and easy portability.
Main technical parameters
Sample preparation adopts the quartering method and generally takes about 10%.
Weight of test sample< br/> Weighing balance weight sense
Pressure gauge range
Reading accuracy
/type multi-function direct-reading calcium meter
Multi-function direct-reading calcium meter can both measure Lime dosage and cement dosage also measure the effective calcium oxide content in the lime. Model with printer
Main technical parameters
Lime dosage, absolute error
Cement dosage ~, absolute error
Effective calcium oxide content
Resolution lime dosage
Cement Dosage
Effective calcium oxide content
Type photoelectric liquid plastic limit combined measuring instrument
Used to measure the liquid plastic limit and consistency of soil, in order to calculate the plasticity index of soil, classify soil types, and provide roads For design and construction purposes, the test is suitable for soils with a smaller particle composition and less than 10% organic matter content. This instrument uses optical projection and the electromagnetic head automatically drops the cone. It can directly measure the millimeter cone penetration depth. It is an essential instrument for civil engineering infrastructure. Our company also provides the most cerebral liquid-plastic limit joint measuring instrument
Main technical parameters
Total weight and cone weight
Cone angle
Measurement and reading of soil penetration depth
Measurement and reading Precision estimation
Cone drop to reading display time in seconds
Electromagnetic suction＞
Power AC
Power consumption
Type natural slope meter
This product is widely applicable to Various projects that need to monitor horizontal, vertical and arbitrary inclinations, such as highways, railways, banks, drainage ditches, earthworks, construction, decoration, machinery and equipment installation, etc. Control and inspect various slopes during construction. The natural slope meter is used to measure the maximum inclination angle formed by the natural slope and the horizontal surface of the non-cohesive soil when it is fully air-dried and in the water state.
Main technical parameters
Disc? ?
Water basin?
Instrument size
Instrument weight
Universal slope ruler
The slope ruler is equipped with a bracket , there is a level inside the bracket, and there is a reticle vertically connected to the bottom of the level. There are scales engraved on the reticle, and there is a vertical ball connected to the reticle. The multifunctional slope ruler has horizontal bubbles and vertical bubbles on the level.
Type Fine Aggregate Roughness Tester Fine Aggregate Angularity Tester
This instrument is suitable for measuring the roughness of natural sand, artificial sand, stone salt and other fine aggregates used in pavement to evaluate fineness. The angular surface structure of aggregate particles predicts the impact of fine aggregates on the internal friction angle and flow deformation resistance of asphalt mixtures and on the workability of mixed cement concrete. This instrument regulation meets the requirements of Ministry of Transport standards.
The fine aggregate angularity tester is a product designed strictly in accordance with highway regulations and can complete the test.
Main technical parameters
Cone funnel angle
Funnel mouth diameter
Container
Bucket volume distance
Tamper diameter
Tamper quality
/> Net weight
Dimensions
Pavement deflection meter
The width and size of the movable measuring end of the aluminum alloy road deflection meter are small, and it is equipped with an injection-rolling front measuring head, which is easy to insert into the vehicle and then recover. In the middle of the wheel, the test is both convenient and practical. It fully meets the requirements of the experimental regulations of the Ministry of Industry and Information Technology's "On-site Measurement Regulations for Highway Subgrade Pavement".
Main technical parameters
Maximum deflection range
Shen meter forearm rear arm Shen meter forearm rear arm
Pavement water seepage meter
It is a road water seepage meter traffic The Ministry of Highways Department established a special research project to revise the "Technical Specifications for Highway Asphalt Pavement Construction", that is, the products specified in the "Asphalt Pavement Water Seepage Determination Methods and Index Requirements" are also standard products in the new test regulations. Standards compliant. A new type of pavement seepage meter is disclosed. The sealing effect is good, the test results are accurate, the operation is convenient and not easy to be damaged. It is widely used in the determination of water permeability coefficient in highway construction and has broad market prospects and economic value.
Main technical parameters
Volume of measuring cylinder
Base diameter ￠
Continuous road surface smoothness meter
Continuous road surface smoothness meter can measure road surface smoothness and adopts visual operation The interface includes collection records, display, storage, analysis and printing. It can display real-time road surface measurement data and road roughness curve, and print test reports easily.
Main technical parameters
Detection reference length
Error ±
Working environment ℃ + ℃
Extensible
Shortening
Instrument weight
Controller Heavy
Heavy Duty Pavement Material Strength Tester
The Pavement Material Strength Tester is a multifunctional instrument for testing pavement and pavement materials. Equipped with the corresponding special fixtures, it can perform strength tests within pressures such as Markov's load-bearing ratio, unconfined elastic modulus, and burst crack.
Main technical parameters
Power supply
Power
Stress ring~~
Rise rate/
Dial indicator~
Pendulum type friction coefficient measurement Instrument
The pendulum friction coefficient tester is suitable for measuring the anti-skid value of asphalt pavement and cement concrete pavement on highways to evaluate the anti-skid ability of the road surface under wet conditions. The set polish value of aggregate samples obtained with an accelerated polisher was measured in the laboratory.
Main technical parameters
Weight of the pendulum
Distance from the center of swing to the center of gravity
Positive static pressure on the road surface
A small rubber piece and bottom plate.
Rebound modulus measuring instrument
Rebounding modulus measuring instrument is suitable for indoor elastic modulus measurement of fine-grained soil or graded aggregate specimens below particle size
Technology Parameters
Leverage ratio
Bearing plate area
Sand filling method bulk density tester
The data required for the sand filling method bulk density tester are the same as the nuclear density meter, which requires maximum dry density and optimal Moisture content. Other instruments and equipment are provided by the laboratory.
① Dig a cylindrical hole with a diameter of 1 cm and a depth of 1 cm. Weigh the excavated soil sample. Pay attention to the complete soil sample and do not discard any bit.
② Use an instrument to pour standard sand into the hole. The surface of the instrument must be scraped flat. Turn on the switch and pour in standard sand with a mass of 0.0 and a density of standard sand of 0.
③ Take three samples from the excavated soil sample. Put each portion into a basin and weigh it. The mass of the basin should be returned to zero before weighing.
④ Pour an appropriate amount of alcohol into each basin, ignite and stir, and burn each portion three times.
⑤ Weigh three parts of the burned soil samples, calculate the moisture content of each part and average it, and then calculate the compaction
Sand filling tube
The construction site bulk density tester is suitable for measuring roadbed and pavement sand and gravel. Density and compaction degree
Specifications ФФ Plastic sand filling barrel ФФ
Field bearing plate measuring instrument
Field bearing plate measuring instrument is suitable for coarse and fine grained soil and the subgrade base after soil filling and compaction, etc. Tests of the foundation coefficient can also be used to calculate the deformation modulus of uniform foundation soils.
Main technical parameters
Load plate diameter
Jack loading capacity range~
Jack stroke test bridge span
Manual oil pump rated pressure pressure
Test range~
Displacement test range~
Bearing ratio tester and accessories
Bearing ratio tester test accessories are used to test various soil and pavement base materials after making test specimens in the specified test cylinder. than test. The maximum particle size of the mixture should be controlled and not exceeded.
Main parameters of the instrument
Load ratio tester speed/pressure.
Penetration rod end diameter, length
Dial indicator only.
Two porous plates.
Outer diameter of load plate**, each piece.
The inner diameter of the test tube is medium and high,
The pad is the same as the heavy-duty compaction instrument test cylinder.
Type plate load tester
The plate load tester is suitable for testing the foundation coefficient of coarse and fine grained soil and the subgrade base layer after soil filling and compaction. It can also be used to calculate the deformation modulus of uniform foundation soil.
Main technical parameters
Load plate diameter
Jack loading capacity range ~
Jack stroke
Measuring bridge span
Manual oil pump rated pressure
Pressure test Range~
Displacement test range~
Type II electric lime soil unconfined pressure meter
It is an instrument for checking the compressive strength of lime soil. The compressive strength of lime soil is an important mechanical index for studying lime soil and provides a basis for the design and maintenance of pavement. This instrument can also be used for compressive strength and other geotechnical tests.
Main technical parameters
Maximum load
Motor specifications
Electric rising speed/
Manual rising speed circle/
Screw disk diameter
Screw Moving distance
Type surface vibration compaction tester
Developed in order to cooperate with the implementation of the latest "Highway Geotechnical Test Regulations" issued by the Ministry of Transport, it is mainly used to measure non-cohesive free-draining coarse-grained soil and large-grained soil Maximum dry density of soil including rockfill. The instrument adopts an upper pressure frame structure, which can effectively prevent the separation of pellets. The instrument is equipped with automatic control and protection devices, which is easy to operate and reliable.
Main technical parameters
Power supply voltage
Power consumption
Vibration frequency
Excitation force
Static pressure exerted by the tamping plate on the surface of the sample
Test cylinder specifications: A large aluminum cylinder with an inner diameter. A small aluminum cylinder with an inner diameter
Type III electric four-link equal strain direct shear instrument Based on the high-speed electric constant-strain direct shear instrument and the Type I three-speed electric constant-strain direct shear instrument, it is designed based on the opinions of the majority of users to reduce the labor intensity of the operator, shorten the test time, and improve the test accuracy. The instrument has a simple structure, is easy to use, has stable speed, reliable performance and beautiful appearance. The instrument uses a low-speed synchronous motor as the driving source, which greatly reduces the vibration of the instrument. The amplitude is less than 100%. The electric shear rate is four gears, and it can test four samples at the same time. It can test, cut and retract one by one. It has an automatic stop structure, a manual rapid retraction mechanism, and a reciprocating shearing function. Therefore, this instrument is an ideal geotechnical testing instrument at present, and can be integrated with the geotechnical data acquisition and processing system. Used together, it is ready for instrument upgrade. This instrument is used to measure the shear strength of soil. It usually uses four samples and applies horizontal shear force under different vertical pressures to determine the shear stress when the soil sample fails. Then the soil is determined according to Coulomb's law. The shear strength coefficient, internal friction angle and cohesion.
Main technical parameters
Maximum vertical load power supply
Pressure classification
Lever ratio maximum horizontal load
Shearing box four specimen area ㎝ high ㎝
Push Shaft propulsion rate
Triple high-pressure consolidation instrument
This instrument is used to perform soil compression tests, measure the relationship between soil deformation and pressure or void ratio and pressure, as well as the relationship between deformation and time, and calculate the relationship between soil deformation and pressure. Unit settlement, compression coefficient, exponential rebound index, compression modulus, consolidation coefficient, etc., the measurement items depend on the needs of the project. Comply with the standards and fully comply with the consolidation test standards in the "Geotechnical Test Regulations" and "Highway Geotechnical Test Regulations". This instrument can do not only low-pressure tests, medium-pressure experiments, but also high-pressure experiments. The leverage ratio adopts and The container can be used for both cm and cm soil sample area tests at the same time.
Main technical parameters
Sample area cm and cm.
Leverage ratio.
Add a load to form a weight.
Maximum pressure ㎝ ㎝
Pressure range
Overall dimensions ㎜.
The weight of the whole machine is kg.
Note: Each triple high-pressure consolidator is equipped with three sets of container components.
Soil-boring ring knives, various long and short pole soil-boring tools and soil-boring twist drills
The soil-boring tools used in the project are ring knives. The ring knives are used to take the undisturbed soil to make bulk density soil density compression shear. A common instrument that is indispensable for tests such as cutting and penetration. Mainly used to measure the compaction degree of soil
Usage and precautions of ring knife
When using, the blade should be downward, avoid skewing when cutting the soil sample, and make it vertical and evenly stressed before use. Apply a little Vaseline to the ring cutter. After use, the ring knife should be wiped clean and applied with some protective oil to prevent rust.
Calibration of the ring cutter
The ring cutter is calibrated at least once a year, and its volume and mass are calculated.
The inner diameter of the ring cutter needs to be measured with a caliper, and it must be rotated at least three diameters at different angles. If the maximum difference must not exceed the standard value, take the average value.
The quality of the ring knife needs to be weighed with a sensitive balance, which is accurate to
The soil consistency meter
is used to measure the consistency index of the natural structure of clay soil. This index is the natural consistency index.
Stone crusher
Stone crusher is mainly used to measure the crushing value index of concrete aggregates such as stones
Main technical parameters
Inner diameter of pressure barrel mm
Pressure barrel height㎜
Pressure head diameter㎜
Aggregate impact testing machine
Determine the impact value of aggregates to evaluate the ability of aggregates to resist instantaneous vibration or impact. Equipped with a calculator to calculate the number of impacts.
Technical specifications, dimensions, weight
Type electric sand equivalent tester
It is a product designed according to the requirements of the fine aggregate sand equivalent test procedures in the national industry standards. It is suitable for asphalt mixtures and cement concrete. Natural sand and artificial gravel chips, the maximum particle size of the aggregate does not exceed the filtration measurement of the cohesive/soil or impurity content contained in the fine aggregate to evaluate the cleanliness of the aggregate.
Main technical parameters
Rated voltage
Rated power
Oscillation frequency times/min
Amplitude
Self-controlled timing/times
Test tube inner diameter
/>Height
Outer diameter of flushing pipe
Inner diameter
Light and heavy power penetrometer Static penetrometer
Light power penetrometer This instrument mainly uses a certain amount of hammering kinetic energy , make an engineering geological evaluation of the foundation soil. Hammer weight, drop height, penetrating hammer hammer, maximum diameter of penetrating hammer angle
The heavy-duty dynamic penetrating instrument is mainly used to detect the bearing capacity of the foundation. The test equipment is mainly composed of the probe penetrating rod and the penetrating hammer. . The penetration rod generally adopts diameter drill rod, and the weight of the penetration hammer is also attached with a comparison table between the number of hammer blows and the bearing capacity of the foundation.
Soil nutrient analyzer
It mainly measures nitrogen, phosphorus, potassium and other organic chemical substances in the field. It has intelligent design and programmed operation. The instrument is simple to operate, has digital display, and can read the data directly. The reading is the nutrients contained in each acre. Just use tap water or deep well water to test. The finished reagents can be stored for one year. The entire project only takes hours.
Stable performance and high reliability. It can be used for both AC and DC. DC can work continuously for hours and can be tested in the field.
Pavement structure depth measuring instrument
Pavement structure depth measuring instrument is suitable for measuring the macro roughness of the pavement surface. This method is suitable for measuring the surface structure depth of asphalt pavement and cement concrete pavement to evaluate the macro roughness of the pavement surface. Drainage performance and anti-skid performance of rough pavement surfaces.
On-site measuring instrument
This instrument is designed and manufactured in accordance with the "On-site Testing Procedures for Highway Subgrade Pavements" and is suitable for measuring on-site values of various soil-based materials on highway sites. The working principle is to use a truck with a rear bearing that is not less than the weight, use a jack to add the load, measure the load through the penetration dynamometer measured by the penetration rod, and calculate the value of the soil foundation site.
Electric Soil Relative Density Meter
The Electric Soil Relative Density Meter is suitable for non-cohesive soils with particle diameters smaller than 1, and the mass of the sample with particle size is not greater than the total mass of the sample to measure soil density. The maximum density and minimum void ratio are used to calculate its relative density. The instrument is mainly composed of a motor and a sprocket drive mechanism. One set of sprockets drives the hammer to compact the soil sample up and down, and the other set drives the vibrating fork to vibrate the soil sample back and forth to obtain the maximum density and relative density of the sample. Main technical parameters: reagent die hammer mass, blows per minute, hammer diameter, hammer drop height, timing range~ power supply, weight Indicators, in the past, artificial sand laying method was used to measure structural depth in China. Although the method is simple, the human error is too large and there is a lack of actual operating standards. This situation can no longer meet the testing needs of my country's road department. This instrument is designed in accordance with the test procedures of the Ministry of Industry and Information Technology's "Highway Subgrade Pavement Field Testing Procedures". my country's first domestic prototype was produced in 2015, and was subjected to on-site inspection and identification. It was compared and analyzed under the same conditions with Japan's electric roughness meter. The results show that the performance of the electric sand spreader produced by our factory is similar to that of imported products and can fully meet the needs of the test conditions. The electric sand spreader is simple to operate and easy to use, avoiding errors caused by human factors. It is an ideal testing instrument for detecting and evaluating the macro roughness of the road surface and the anti-skid ability of the road surface. Main technical parameters Sand funnel capacity is about ml. The opening width of the lower part of the sand funnel is meters. The dimensions of the sanding belt are width mm and thickness mm. The sand funnel moves at about mm/s. The movement range of the sand funnel is approximately millimeters. Overall dimensions: mm. DC motor power supply volts.
Free expansion rate measuring instrument
The free expansion rate is the ratio of the difference between the volumes of loose dry soil particles freely accumulated in water and air and the volume of free accumulation in air, expressed as a percentage. It is used to determine the swelling characteristics of loose soil particles without structural force in water. This instrument complies with the standards of the Ministry of Transport.
Electric Lime Soil Unconfined Pressure Tester
This testing machine is an instrument for checking the compressive strength of lime soil. The compressive strength of lime soil is an important mechanical index for studying lime soil and provides a basis for the design and maintenance of pavement. This instrument can also be used for compressive strength and other geotechnical tests.
Main technical parameters
Maximum load
Motor specifications
Electric rising speed/
Manual rising speed circle/
Screw disk diameter
Screw Moving distance
Top-impact standard vibrating screen machine
It is suitable for screening and analysis of materials in laboratories of highway construction, geology and metallurgical research departments. It takes only minutes to start up every time, which is convenient and simple to complete the grading work. It can be analyzed using gravel, sand, soil, etc.
Main technical parameters
Screen diameter/
Vibration amplitude
Number of vibrations/min
Number of screen shakes/min
Radius of gyration
Cangzhou Xinglong Engineering Instrument Co., Ltd. is a high-tech entity integrating scientific research, development, production and operation. There are more than 60 scientific and technical personnel. The company has developed hundreds of products over the years. The main products include concrete testing instruments, cement testing instruments, highway geotechnical testing instruments, asphalt waterproof testing instruments, chemical analysis instruments, testing machines, balances, various test molds and screens, etc. . We can provide a full set of laboratory t