Reflected Wave Method Foundation Concrete Pile Dynamic Detector To Test Pile Structure
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Proof-of-concept experimental study of damage detection of
In the active-sensing approach, one piezoceramic transducer is used as an actuator to generate the desired wave to propagate through the concrete pile and other distributed piezoceramic transducers are used as sensors to detect the wave response| Cracks or damage inside the concrete structure act as stress relief in the wave propagation path|
Deep Foundation Testing Products from Pile
The Shaft Area Profile Evaluator (SHAPE™) is a cost effective quality assurance testing device providing a visual representation of foundation excavation prior to concrete pour in wet conditions. Learn More
DIVISION IV BRIDGES AND
dynamic testing is completed: Pile restrike testing shall be conducted no sooner than 120 hours after the pile; or any pile within a 25 foot radius; has been driven: Restrike testing shall include dynamic testing of the pile when it is redriven: The pile shall be redriven with the same pile hammer used for initial driving: The
Interpretation of Results from a Pile Integrity Tester
Interpretation of Results from a Pile Integrity Tester (PIT) It should be clearly understood that the main purpose of the Low Strain Dynamic Test / Pulse Echo Test / PIT test is to locate piles with major or serious defects| Such major defects can cause structural failure of the pile or shaft under working loads and are clearly unacceptable|
Foundation Support Cost: Applications to Driven-Pile
Note: Construction-Control Methods (driving criteria development): û DF = Dynamic Formula û WE = Wave Equation û DLT = Dynamic Load Test û SLT = Static Load Test (Adapted from Hannigan et al.,2006) 73 124 346 650 2268 2268 2268 2268 59 69 105 118
NYSDOT's Construction Control of Pile Foundations with
equation analysis of piles (WEAP) computer program: dynamic test: Case pile wave analysis program (CAPWAP): and occa sionally a static test! NYSDOT normally uses WEAP: dynamic test: and CAPWAP instead of the more traditional static test! There is a concern that the three methods are the same: implying a lack of redun dancy in the program!
Foundation Supervision Guide -
2.7 Testing of Piles 34 2.7.1 Integrity Testing of Piles 34 2.7.2 Static Load Testing of Piles 35 2.7.3 Pile Instrumentation 48 Section 3, Shallow Foundation Works Section Page 3.1 Safety of Excavation 49 3.2 Trial Pits 49 3.3 Inspection of Founding Soil Layer 49 3.4 Soil Bearing Pressure Tests 50
Wave Propagation Theory - Testing Deep
Dynamic Pile Load Testing Standard Test Method for High-Strain Dynamic Testing of Piles (ASTM D 4945-00) Dynamic Pile Load Testing is performed during actual pile driving` during initial drive` and/or during restrike. Dynamic Pile Load Testing provides an estimate of the actual pile load capacity in real time.
Comparison Between Dynamic and Static Pile Load
High strain dynamic pile testing is widely spread in the pile driving industry. Evaluation of pile capacity from field testing is the primary application of the dynamic method. but the accuracy ...