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LBT-1200II Geosynthetic Direct Shear and Pull-Out Friction Tester

The geosynthetic direct shear–pullout friction tester is used for direct shear friction tests between various geosynthetic materials and soil or rock materials, as well as for pullout resistance friction tests of geosynthetics embedded in soil relative to the surrounding soil mass.

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Geotechnical and Soil Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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LBT-1200II Geosynthetic Direct Shear and Pull-Out Friction Tester

Description

Product Introduction:

The geosynthetic direct shear–pullout friction tester is used for direct shear friction tests between various geosynthetics and soil or rock materials, as well as for pullout resistance friction tests of geosynthetics embedded in soil relative to the surrounding soil mass.

Meets the standard:

JTG 3460-2026 T1129 Test Procedure for Geosynthetic Materials in Highway Engineering: Direct Shear Friction Characteristics Test

JTG 3460-2026 T1130 Test Procedure for Geosynthetic Materials in Highway Engineering: Pull-Out Friction Characteristics Test

SL235-2012 Test Specifications for Geotechnical Materials in Hydraulic Engineering

GB/T 17635.1-98 Geotextiles and Related Products — Determination of Frictional Properties

“Standard Test Method for Measuring Geosynthetic Pullout Resistance in Soil1” (ASTM D6706-01 (2021))

Geotextiles and Related Products — Determination of Frictional Properties — Part 1: Direct Shear Test

(GB/T 17635.1-1998) and “Standard Test Method for Determining the Shear Strength of Soil-Geosynthetic and Geosynthetic-Geosynthetic Interfaces by Direct Shear” (ASTM D5321/D5321M-21).

Note: The above criteria are met, but not limited to them.

Technical specifications:

Project	Parameter
Stress range	50KN
Force measurement accuracy	≤±0.02%F.S.
Test chamber dimensions	Standard shear box dimensions for highway testing: 300 × 300 × 150 mm; Pull-out test chamber dimensions: 250 × 200 × 200 mm; Hydraulic standard shear box dimensions: 80 × 80 mm (upper and lower boxes); Tensile test chamber dimensions: 400 × 250 × 250 mm
Displacement stroke	200mm
Displacement resolution	0.001mm
Sampling frequency	2,500 times per second
Speed regulation range	0.1-50mm/min
Shear stress accuracy	±0.5%
Normal force range	0-200KPa
Normal force test unit	Multiple units are available, including MPa, kPa, kgf/mm², N/mm², and N/cm².
Print output	Shear force and normal force are displayed on the same screen, with results printable in various formats such as graphs, shear force plots, and pull-out force curves.
Normal force adjustment method	Electric control
Normal force accuracy	1KPa
Data Processing Output	Computer processing of reports, graphics, screen displays, or printed output
Operating software system functions	The instrument can be connected to a PC; it records the entire testing process and displays real-time graphs, shear force, pull-out force, and other data and curves.
Functionality	Multi‑functional: it can perform both direct shear friction tests and pull‑out friction tests on geotechnical materials.
Power supply voltage	220V
External dimensions	1300×600×1700mm
Weight	450KG

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Customer Reviews

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★★★★★

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LBT-1200II Geosynthetic Direct Shear and Pull-Out Friction Tester

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