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What is statrapid pile test

StatRapid is a method for Rapid Load Testing: A powerful quasi static test method for determining the static load capacity of piles in compliance with ASTM D7383 and EuroCode 22477. Within the StatRapid test method a drop weight is dropped on a special designed StatRapid cushioning. Due to its special characteristics, the kinetic energy of the drop weight is transferred in a relative long duration push on top of the pile. StatRapid is based on the Rapid Load Testing method, and therefor combines all benefits from Static and Dynamic Testing: A StatRapid Load Test requires limited time, lower costs and yields high accuracy results.

THE STATRAPID TEST DEVICE

The StatRapid device is available with weights of 40 and 300 tonnes and more. Leading to testing load up to 12 and 60 MN and more, depending on the soil and pile conditions. Each device consists of a basic frame including load cells, the special for Rapid Load Testing designed cushioning, which is modular both in number of spring elements as in stiffness of each spring element. The upper frame includes the hydraulics for lifting and catching and the test weight. The test weight is also modular. Weight can be added or removed in order to optimise the setup for each pile, depending on soil conditions and on the required test load. Relationship between drop heigth and test load will be determined prior to the tests, using AllWave-RLT. This program, as part of the AllWave Software Package, simnulates the Rapid Load Tests, incorporating all possible influences from pile, soil and testing setup.

Professional processing equipment and team

We have advanced large processing lathes, 100 ton crane cranes, workshops with pits, and professional designers and processing team

Germany import Electrical control system

Controller, sensor, control box and other electrical accessories are all use Germany IFM, Sun resistance, corrosion resistance, high seismic strength, especially for outdoor machinery use

Reliable hydraulic system

Important hydraulic pump and valves are Japan imported.

Reliable and durable hydaulic brake system

Special brake pads, super wear-resistant and durable.? Several times the safety factor of the braking force


DIMENSION AND WEIGHT OF EVERY ASSEMBLY WHEN TRANSPOTING AND HOISTING


Total weight of GE0150 device195,500 Kgs
Weight of bottom frame assembly20,000 Kgs
Weight of top frame assembly23,000 Kgs
Weight of drop container21,000 Kgs
Qty of Test weight 10 Tons8 Pcs
Qty of Test weight 7.5 Tons4 Pcs
Qty of Test weight 5 Tons4 Pcs


1.pngTOP FRAME ASSEMBLY

2.pngBOTTOM FRAME ASSEMBLY

图片 1.png




●Dimension

6454*2920*2800

●Weight

23Tons

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Dimension 

6300*2900*2100

Weight

20Tons

3.pngDROP WEIGHT CONTAINER

4.pngDROP WEIGHT 2.75TON TYPE

图片 3.png




Dimension

6900*2192*1965

Weight

21Tons

图片 4.png



Drop weight 

5Ton/pcs; total 4 pcs

Dimension

880*860*900mm


5.pngDROP WEIGHT 5TON TYPE

6.pngPOWER PACK

图片 5.png

Drop weight

7.5Ton/pcs; total 4 pcs

Dimension 

880*860*1340mm


Drop weight

10Ton/pcs; total 8 pcs

Dimension 

880*860*1800mm



图片 1(1).png




Dimension

2200*1300*1600

Weight

1.5Ton

7.pngOTHER ASSEMBLY


图片 7.png

 



Lifting fixture

2656*2656*700mm

0.7T

图片 14.png


Flip support  frame

3670*1000*840mm

0.4T

图片 6.png





safety ladder






STATRAPID LOAD TESTING

StatRapid is a method for Rapid Load Testing: A powerful quasi static test method for determining the static load capacity of piles in compliance with ASTM D7383 and EuroCode 22477


KEY CHARACTERISTICS

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StatRapid device ready in Down Town Utrecht to perform Rapid Load Testing


Rapid Load Testing is a method were a pile is loaded in a short moment, giving a gentle push on the pile top. This method is much faster than static load testing. The duration of the load is much longer than during a Dynamic Load Test or PDA. Due to the long duration of the load, no stress waves phenomena are involved. When the requirements of the quasi static situation are fulfilled, the interpretation of the Rapid Load Test results are straightforward, without stress wave analysis and without Signal Matching. As a result, the results of Rapid Load Tests are more accurate, reliable, and man-independent.

Rapid Load Testing has two major test methods: StatNamic and StatRapid.


STATRAPID

StatRapid is the quasi static, high strain test method for determination of the bearing capacity of foundation piles. Within the StatRapid test method a drop weight is dropped on a special designed StatRapid cushioning. Due to its special characteristics, the kinetic energy of the drop weight is transferred in a relative long duration push on top of the pile. StatRapid is based on the Rapid Load Testing method, and therefor combines all benefits from Static and Dynamic Testing: A StatRapid Load Test requires limited time, lower costs and yields high accuracy results.


STATNAMIC

StatNamic has been developed in the 80’s of last century, and was the first test method for Rapid Load Testing. The method is based on launching a mass from the pile top. Using the Newton law’s, for Force = Mass * Acceleration and Action=Reaction, the StatNamic test device gave a gentle, short push on top of the pile. Long enough to avoid stress wave phenomena.

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MONITORING SENSORS 

The monitoring system of the any Rapid Load Testing, i.e. StatRapid or StatNamic, consists of the PDR data acquisition unit and various sensors recording the following quantities at the pile top:

Direct measurements of loads and settlements gives direct measured load-settlement diagrams. By analysing the results with the Unloading Point Method, according to ASTM and EuroCodes (and other codes), the static load diagram is obtained.

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SPECIFICATIONS AND CODES

The tests of the Rapid Load Testing are in compliance with a.o. ASTM D7383, and EuroCode EN ISO-22477-10, as well as other national codes (i.e. Dutch CUR-230). According to these codes:

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