
HWD – Heavy Weight Deflectometer - Dynatest
The HWD is highly versatile and can be used to test both rigid paver block and flexible pavements on roads and airports. The HWD can apply a loading in the range of 30-320kN, enabling it to …
Heavy Weight Deflectometer - Federal Aviation Administration
Due to its heavyweight load and testing method, the HWD is able to simulate the effect of a moving wheel load and is ideal for evaluation of airport pavements. The system consists of a …
FWD/HWD - Federal Aviation Administration
Compare backcalculated pavement material properties using the different manufacturer's F/HWD data. Evaluate specifications and methodologies for existing F/HWD equipment for use in …
Falling weight deflectometer - Wikipedia
A falling weight deflectometer (FWD) is a testing device used by civil engineers to evaluate the physical properties of pavement in highways, local roads, airport pavements, harbor areas, …
HWD Roundup - Federal Aviation Administration
The Heavy Weight Deflectometer (HWD) Round-Up was a nondestructive experiment done to evaluate different HWD models and conduct comparisons between them. It was performed at …
HWD TEST - Academia.edu
The purpose of the HWD test was to analyze the deflection basin at slab center to determine the overall structural strength and back-calculating elastic modulus of each layer for the PCN …
Dynatest HWD can easily simulate and measure the load levels and response of large aircraft such as the Boeing 747/777 and the Airbus A380. The HWD can produce higher and wider …
基于HWD实测数据的3种弯沉盆面积指数法对比 - 道客巴巴
2022年10月16日 · 摘 要院 针对不同形式弯沉盆面积指数法缺乏系统性对比分析和实际工程验证的问题袁采用国内常见的 3 种弯沉盆面积指数法对中国不同地区 5 个机场的刚性道面弯沉测试 …
Simulation of Heavy Weight Deflectometer Test: Spectral
2020年6月20日 · The Heavy Weight Deflectometer (HWD) is a nondestructive testing device widely used for airfield pavement assessment. The HWD test consists in applying a wheel …
Dynatest, the original commercial developer of the Falling Weight Deflectometer (FWD) technology, is the world’s largest supplier of FWD equipment. This highly accurate, well …