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Model: PDI - Static Load Tester (SLT)
Country of Origin: USA
Use: The Static Load Tester (SLT) automatically obtains and records reliable readings at programmable load intervals during a static load test

The Instrument complies with international standards: JGJ 106-2014, TB10218-2019, JTG/T 5312-2020, DBJ/T15-60-2019, ASTM D3689/D3689M-07(2013)e1, ASTM D3966 / D3966M - 07(2013)e1

Description

The Static Load Tester (SLT) automatically obtains and records reliable readings at programmable load intervals during a static load test on pile. The system allows for monitoring of up to 16 independent channels taken from traditional pile-top measurements or from embedded sensors from each data acquisition box. Many boxes can be connected to the Static Load Tester at once. Automatic data collection and display allows real time monitoring, analysis, and interpretation of results.

Static load testing is used to evaluate the load resistance behavior of deep foundations prior to structure construction. It differs from rapid and dynamic load testing in that the load is applied to the deep foundation slower.

Static Load Tests can be performed to validate foundation design assumptions regarding the axial compression or axial tension resistance provided by a deep foundation element, or its deflected shape under a lateral load.

Conventional readings of the applied load determined from the jack pressure gage and load cell, and deep foundation head movement determined by LVDTs, digital dial gages, or mechanical dial gages, can be combined with the SLT to determine the capacity or nominal soil resistance, the load-transfer behavior under axial loads, or deflected shape under lateral loads. The Static Load Tester also reads strain gages and VW gages.

Technical Specification

SLT Acquisition Box

Size: 280 X 230 X 111mm (11.0 X 9.1 X 4.4 inches)
Weight: 5.5 kg (12 lbs.)
Material: Aluminum
Power: 24-hour continuous data collection battery pack, 12 VDC car battery, or 100-240 VAC
Charging time: 6-hour maximum; 120/240 charger input voltage
Data storage and ports: 1 GB flash; 2 RJ45 ports for RS422 communication
Temperature Range: -20 to 55°C operating; -40 to +85°C Storage
Wireless range up to 100 m (328 ft)
16 channels (12 analog and 4 digital)
Includes smart universal sensor inputs
Up to 16 boxes connected at once
SLT Tablet

 

Size: 320 X 250 X 68 mm (12.6 x 9.8 x 2.7 inches)
Weight: 5 Kg (11 lbs.)
Temperature range: 0 to 40°C operating; -20 to 65°C storage
Display: 26.4cm (10.4”), sunlight readable, resolution 1024 X 768; capacitive touch screen
Video Output: HDMI
Power: 4-hour continuous data collection battery pack, 12 VDC car battery, or 100-240 VAC; extra battery pack supplied
Charging time: 6-hour maximum; 120/240 charger input voltage
Operating System: Microsoft Windows® 10
Data storage and ports: 128 GB SSD internal drive; Ethernet port; 4 USB ports
RJ45 port for RS422 communication
Wireless range 100 m (328 ft)
Units of operation: English, SI, or Metric units
Equipped for remote technical support using SiteLink®
Optional TeamViewer desktop sharing software license for use with SiteLink®
Includes an external USB keyboard, mouse, and WiFi (802.11 b,g,n)
Includes both a soft side carry-on luggage case and a hard transit case
Full one-year warranty
Technical manual provided in PDF form on a USB drive