落锤式弯沉仪 - 引用次数：2参考来源 - 基于两点路表弯沉反算土基回弹模量的研究 Backcalculation of Resilient Modulus of Subgrade Based Two Point Surface Deflections
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Falling weight deflectometer
abstract:A falling weight deflectometer (FWD) is a testing device used by civil engineers to evaluate the physical properties of pavement. FWD data is primarily used to estimate pavement structural capacity for 1) overlay design and 2) to determine if a pavement is being overloaded.