FIGURE I FOUR PRIMARY CAUSES OF CONSTRUCTION WORKER FATALITIES
FIGURE II EQUIPMENT MOVEMENT DIRECTION WHEN ACCIDENT OCCURS (N=594)
FIGURE III MAIN STEPS OF THE DEVELOPED HMM-BASED TRAJECTORYPREDICTION METHOD
FIGURE IV KEY ELEMENTS OF HMM PREDICTION MODEL
FIGURE V INPUT-PROCESS-OUTPUT DIAGRAM OF HMM TRAINING STAGE
FIGURE VI INPUT-PROCESS-OUTPUT DIAGRAM OF HMM PREDICTION STAGE
FIGURE VII VARIATION OF ANGULAR RISK FACTOR (α) NEAR THE HAZARD ZONE
FIGURE VIII LINEAR RISK FACTOR AND ADJUSTMENT OF PREDICTION
FIGURE IX HIGH-LEVEL FLOWCHART OF PCS2 MOBILE APPLICATION
FIGURE X SCREENSHOTS OF THE PCS2 MOBILE APPLICATION LAYOUTS
FIGURE XI FUNCTIONS USED FOR ALERT USERS FROM THEIR LOCATION DATA
FIGURE XII INITIAL INPUTS OF PCS2 FOR THE FIELD EXPERIMENT
TABLE I SHA FAILURES OBSERVED IN TEST RESULTS FOR DIFFERENT CONSTRUCTION TYPES/ MATERIALS
TABLE II SHAS’ USE OR EXPLORATION OF INNOVATIVE TESTING METHODS THAT REDUCE COST, SAVE TIME, OR PRODUCE MORE ACCURATE RESULTS
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