Product name: Microcomputer-controlled geotechnical material testing machine
Product model: WDW-20T/WDW-50T
Product function: Used for mechanical property testing of various geotextiles, geotextile membranes, geotextile grids and other geosynthetics, geotextile joint/seam wide strip tensile test, strip tensile test, bonding point limit peeling force test, trapezoidal tear strength test, CBR bursting strength test, puncture strength, breaking force, tensile strength, top pressure, bursting strength, displacement, bursting displacement, preload elongation, maximum load elongation, 2% elongation, 5% elongation, nominal elongation, secant modulus, average value and coefficient of variation, tensile creep, tensile creep rupture.
Based on the standards:
GB/T 16491 Electronic universal testing machine
GB/T 2611 General technical requirements for testing machines
JJG 139 Tensile, compression and universal testing machines
JJG 475 Electronic universal testing machine
GB/T 15788 Geosynthetics wide strip tensile test method
GB/T 17638 Geosynthetics staple fiber needle punched nonwoven geotextile
GB/T 17641 Geosynthetics split film yarn woven geotextile
JT/T 992.1 Highway engineering geosynthetics polypropylene staple fiber needle punched nonwoven geotextile
JT/T 992.2 Highway engineering geosynthetics polyester glass fiber nonwoven geotextile
JT/T 925.1 Highway engineering geosynthetics steel-plastic grid
JT/T 1087.1 Highway engineering geosynthetics drainage materials composite drainage net
JT/T 1124.1 Geosynthetics waterproofing materials for highway engineering Plastic waterstop
JT/T 736 Permeable formwork cloth for concrete engineering
GB/T 50290 Technical specification for application of geosynthetics
GB/T 16989 Geosynthetics joint/seam width tensile test method
GB/T 35752 Warp knitted composite geotextiles
GB/T 13763 Determination of geosynthetics trapezoidal tear strength
GB/T 17643 Geosynthetics polyethylene geomembrane
GB/T 14800 Geosynthetics static bursting test (CBR method)
GB/T 19470 Geosynthetics plastic geonet
GB/T 17690 Geosynthetics plastic flat wire woven geotextile
GB/T 21825 Fiberglass geogrid
GB/T 17689 Geosynthetics plastic geogrid
SL235 Geosynthetics test procedures
JTG E50 Highway engineering geosynthetics test procedures
JTG E51 Highway engineering inorganic binder stabilized material test procedures
JT/T 776.3 Highway engineering basalt fiber and its products basalt fiber geogrid
JT/T 818 Glass fiber geogrid tensile fixture
JTJ 239 Water transport engineering geosynthetics application technical specifications
JT/T 513 Highway engineering geosynthetics geonet
Not listed in detail, can be added at will
The high-strength optical axis fixes the upper beam and the work surface to form a high-rigidity portal frame host:
The transmission structure of the servo motor + reducer + synchronous belt + pulley + precision gapless ball screw realizes the up and down movement of the beam, and the test process is realized through the measurement and control software:
High-precision spoke/S-type force sensor, force measurement accuracy 0.5 level;
A variety of perfect test fixtures, pin connection + simple nut locking, easy to operate;
Add extensometer, displacement meter, large deformation measuring instrument to accurately measure material deformation data;
Powerful full-digital closed-loop, multi-channel measurement and control system, built-in various detection method standards, automatic control of the test process, data can be saved and exported, and can be connected to multiple networked companies;
The bottom of the host is designed with a wheel/adjustable leveling foot to facilitate the equipment placement and later adjustment;
Modular electrical control box for easy troubleshooting;
Test force overload protection, safety limit protection, overcurrent and overvoltage protection, indicator light operation status prompt, voice operation prompt, and design emergency stop switch;
1 | Maximum Test Force | 20KN or 50kN |
2 | Testing Machine Accuracy Class | 0.5class |
3 | Load Measurement Range | 0.4%～100%FS |
4 | Relative Indication Error | ±0.5% |
5 | Test Force Resolution | 1/±500000FS（constant throughout the range） |
6 | Deformation Measurement Range | 0.2%～100% |
7 | Force Control Rate Range | 0.005%～5%FS/S |
8 | Force Control Rate Accuracy | rate＜0.05%FSat this rate,±1%within the set value； rate≥0.05%FSat this rate,±0.5%within the set value； |
9 | Deformation Rate Range | 0.005～5%FS/s； |
10 | Deformation Rate Accuracy | rate＜0.05%FS/swhen,of the set value±1%maximum； rate≥0.05%FS/swhen,of the set value±0.5%maximum； |
11 | Displacement Speed Range | 0.01～600mm/min |
12 | Displacement Speed Accuracy | of the set value±0.2%maximum； |
13 | Constant Force, Deformation and Displacement Control Range | 0.5%～100%FS |
14 | Constant Force, Deformation and Displacement Control Accuracy | set value≥10%FSwhen,of the set value±0.5%maximum set value＜10%FSwhen,of the set value±1%maximum |
15 | Maximum Column Spacing | 450mm |
16 | CrossheadMaximumTravel | 800mm |
17 | Large Deformation Measurement Range | 10-800mm |
18 | Power Supply | ～220V±10% 50Hz（reliable grounding required） |
19 | Machine Power | 750W |
20 | Main Unit Dimensions(L × W × H) | ≈760x450x1800mm |
21 | Control Cabinet Dimensions(L × W × H) | ≈350kg |
22 | Control Cabinet Weight | ≈30kg |
